Index: ps/trunk/binaries/data/mods/public/simulation/components/ResourceSupply.js =================================================================== --- ps/trunk/binaries/data/mods/public/simulation/components/ResourceSupply.js (revision 24035) +++ ps/trunk/binaries/data/mods/public/simulation/components/ResourceSupply.js (revision 24036) @@ -1,185 +1,185 @@ function ResourceSupply() {} ResourceSupply.prototype.Schema = "Provides a supply of one particular type of resource." + "" + "1000" + "food.meat" + "false" + "25" + "0.8" + "" + "" + "" + "" + "" + "Infinity" + "" + "" + Resources.BuildChoicesSchema(true, true) + "" + "" + "" + "" + "" + "" + "" + "" + ""; ResourceSupply.prototype.Init = function() { // Current resource amount (non-negative) this.amount = this.GetMaxAmount(); - // List of IDs for each player this.gatherers = []; - let numPlayers = Engine.QueryInterface(SYSTEM_ENTITY, IID_PlayerManager).GetNumPlayers(); - for (let i = 0; i < numPlayers; ++i) - this.gatherers.push([]); let [type, subtype] = this.template.Type.split('.'); this.cachedType = { "generic": type, "specific": subtype }; }; ResourceSupply.prototype.IsInfinite = function() { return !isFinite(+this.template.Amount); }; ResourceSupply.prototype.GetKillBeforeGather = function() { return this.template.KillBeforeGather == "true"; }; ResourceSupply.prototype.GetMaxAmount = function() { return +this.template.Amount; }; ResourceSupply.prototype.GetCurrentAmount = function() { return this.amount; }; ResourceSupply.prototype.GetMaxGatherers = function() { return +this.template.MaxGatherers; }; ResourceSupply.prototype.GetNumGatherers = function() { - return this.gatherers.reduce((a, b) => a + b.length, 0); + return this.gatherers.length; }; /** * @return {{ "generic": string, "specific": string }} An object containing the subtype and the generic type. All resources must have both. */ ResourceSupply.prototype.GetType = function() { return this.cachedType; }; /** - * @param {number} gathererID The gatherer's entity id. - * @param {number} player The gatherer's id. - * @return {boolean} Whether the ResourceSupply can have additional gatherers. + * @param {number} gathererID - The gatherer's entity id. + * @return {boolean} - Whether the ResourceSupply can have this additional gatherer or it is already gathering. + */ +ResourceSupply.prototype.IsAvailableTo = function(gathererID) +{ + return this.IsAvailable() || this.IsGatheringUs(gathererID); +}; + +/** + * @return {boolean} - Whether this entity can have an additional gatherer. + */ +ResourceSupply.prototype.IsAvailable = function() +{ + return this.amount && this.gatherers.length < this.GetMaxGatherers(); +}; + +/** + * @param {number} entity - The entityID to check for. + * @return {boolean} - Whether the given entity is already gathering at us. */ -ResourceSupply.prototype.IsAvailable = function(player, gathererID) +ResourceSupply.prototype.IsGatheringUs = function(entity) { - return this.GetCurrentAmount() > 0 && (this.GetNumGatherers() < this.GetMaxGatherers() || this.gatherers[player].indexOf(gathererID) != -1); + return this.gatherers.indexOf(entity) !== -1; }; /** * Each additional gatherer decreases the rate following a geometric sequence, with diminishingReturns as ratio. * @return {number} The diminishing return if any, null otherwise. */ ResourceSupply.prototype.GetDiminishingReturns = function() { if (!this.template.DiminishingReturns) return null; let diminishingReturns = ApplyValueModificationsToEntity("ResourceSupply/DiminishingReturns", +this.template.DiminishingReturns, this.entity); if (!diminishingReturns) return null; let numGatherers = this.GetNumGatherers(); if (numGatherers > 1) return diminishingReturns == 1 ? 1 : (1 - Math.pow(diminishingReturns, numGatherers)) / (1 - diminishingReturns) / numGatherers; return null; }; /** * @param {number} amount The amount of resources that should be taken from the resource supply. The amount must be positive. * @return {{ "amount": number, "exhausted": boolean }} The current resource amount in the entity and whether it's exhausted or not. */ ResourceSupply.prototype.TakeResources = function(amount) { // Before changing the amount, activate Fogging if necessary to hide changes let cmpFogging = Engine.QueryInterface(this.entity, IID_Fogging); if (cmpFogging) cmpFogging.Activate(); if (this.IsInfinite()) return { "amount": amount, "exhausted": false }; let oldAmount = this.GetCurrentAmount(); this.amount = Math.max(0, oldAmount - amount); let isExhausted = this.GetCurrentAmount() == 0; // Remove entities that have been exhausted if (isExhausted) Engine.DestroyEntity(this.entity); Engine.PostMessage(this.entity, MT_ResourceSupplyChanged, { "from": oldAmount, "to": this.GetCurrentAmount() }); return { "amount": oldAmount - this.GetCurrentAmount(), "exhausted": isExhausted }; }; /** - * @param {number} player The gatherer's id. - * @param {number} gathererID The gatherer's player id. - * @returns {boolean} Whether the gatherer was successfully added to the entity's gatherers list. + * @param {number} gathererID - The gatherer to add. + * @return {boolean} - Whether the gatherer was successfully added to the entity's gatherers list + * or the entity was already gathering us. */ -ResourceSupply.prototype.AddGatherer = function(player, gathererID) +ResourceSupply.prototype.AddGatherer = function(gathererID) { - if (!this.IsAvailable(player, gathererID)) + if (!this.IsAvailable()) return false; - if (this.gatherers[player].indexOf(gathererID) == -1) - { - this.gatherers[player].push(gathererID); - // broadcast message, mainly useful for the AIs. - Engine.PostMessage(this.entity, MT_ResourceSupplyNumGatherersChanged, { "to": this.GetNumGatherers() }); - } + if (this.IsGatheringUs(gathererID)) + return true; + + this.gatherers.push(gathererID); + Engine.PostMessage(this.entity, MT_ResourceSupplyNumGatherersChanged, { "to": this.GetNumGatherers() }); return true; }; /** * @param {number} gathererID - The gatherer's entity id. - * @param {number} player - The gatherer's player id. * @todo: Should this return false if the gatherer didn't gather from said resource? */ -ResourceSupply.prototype.RemoveGatherer = function(gathererID, player) +ResourceSupply.prototype.RemoveGatherer = function(gathererID) { - // This can happen if the unit is dead - if (player == undefined || player == INVALID_PLAYER) - { - for (let i = 0; i < this.gatherers.length; ++i) - this.RemoveGatherer(gathererID, i); - - return; - } - - let index = this.gatherers[player].indexOf(gathererID); + let index = this.gatherers.indexOf(gathererID); if (index == -1) return; - this.gatherers[player].splice(index, 1); - // Broadcast message, mainly useful for the AIs. + this.gatherers.splice(index, 1); Engine.PostMessage(this.entity, MT_ResourceSupplyNumGatherersChanged, { "to": this.GetNumGatherers() }); }; Engine.RegisterComponentType(IID_ResourceSupply, "ResourceSupply", ResourceSupply); Index: ps/trunk/binaries/data/mods/public/simulation/components/UnitAI.js =================================================================== --- ps/trunk/binaries/data/mods/public/simulation/components/UnitAI.js (revision 24035) +++ ps/trunk/binaries/data/mods/public/simulation/components/UnitAI.js (revision 24036) @@ -1,6537 +1,6524 @@ function UnitAI() {} UnitAI.prototype.Schema = "Controls the unit's movement, attacks, etc, in response to commands from the player." + "" + "" + "" + "violent" + "aggressive" + "defensive" + "passive" + "standground" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "violent" + "aggressive" + "defensive" + "passive" + "skittish" + "domestic" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + "" + ""+ "" + ""; // Unit stances. // There some targeting options: // targetVisibleEnemies: anything in vision range is a viable target // targetAttackersAlways: anything that hurts us is a viable target, // possibly overriding user orders! // There are some response options, triggered when targets are detected: // respondFlee: run away // respondChase: start chasing after the enemy // respondChaseBeyondVision: start chasing, and don't stop even if it's out // of this unit's vision range (though still visible to the player) // respondStandGround: attack enemy but don't move at all // respondHoldGround: attack enemy but don't move far from current position // TODO: maybe add targetAggressiveEnemies (don't worry about lone scouts, // do worry around armies slaughtering the guy standing next to you), etc. var g_Stances = { "violent": { "targetVisibleEnemies": true, "targetAttackersAlways": true, "respondFlee": false, "respondChase": true, "respondChaseBeyondVision": true, "respondStandGround": false, "respondHoldGround": false, "selectable": true }, "aggressive": { "targetVisibleEnemies": true, "targetAttackersAlways": false, "respondFlee": false, "respondChase": true, "respondChaseBeyondVision": false, "respondStandGround": false, "respondHoldGround": false, "selectable": true }, "defensive": { "targetVisibleEnemies": true, "targetAttackersAlways": false, "respondFlee": false, "respondChase": false, "respondChaseBeyondVision": false, "respondStandGround": false, "respondHoldGround": true, "selectable": true }, "passive": { "targetVisibleEnemies": false, "targetAttackersAlways": false, "respondFlee": true, "respondChase": false, "respondChaseBeyondVision": false, "respondStandGround": false, "respondHoldGround": false, "selectable": true }, "standground": { "targetVisibleEnemies": true, "targetAttackersAlways": false, "respondFlee": false, "respondChase": false, "respondChaseBeyondVision": false, "respondStandGround": true, "respondHoldGround": false, "selectable": true }, "none": { // Only to be used by AI or trigger scripts "targetVisibleEnemies": false, "targetAttackersAlways": false, "respondFlee": false, "respondChase": false, "respondChaseBeyondVision": false, "respondStandGround": false, "respondHoldGround": false, "selectable": false } }; // These orders always require a packed unit, so if a unit that is unpacking is given one of these orders, // it will immediately cancel unpacking. var g_OrdersCancelUnpacking = new Set([ "FormationWalk", "Walk", "WalkAndFight", "WalkToTarget", "Patrol", "Garrison" ]); // When leaving a foundation, we want to be clear of it by this distance. var g_LeaveFoundationRange = 4; UnitAI.prototype.notifyToCheerInRange = 30; // See ../helpers/FSM.js for some documentation of this FSM specification syntax UnitAI.prototype.UnitFsmSpec = { // Default event handlers: "MovementUpdate": function(msg) { // ignore spurious movement messages // (these can happen when stopping moving at the same time // as switching states) }, "ConstructionFinished": function(msg) { // ignore uninteresting construction messages }, "LosRangeUpdate": function(msg) { // Ignore newly-seen units by default. }, "LosHealRangeUpdate": function(msg) { // Ignore newly-seen injured units by default. }, "LosAttackRangeUpdate": function(msg) { // Ignore newly-seen enemy units by default. }, "Attacked": function(msg) { // ignore attacker }, "HealthChanged": function(msg) { // ignore }, "PackFinished": function(msg) { // ignore }, "PickupCanceled": function(msg) { // ignore }, "TradingCanceled": function(msg) { // ignore }, "GuardedAttacked": function(msg) { // ignore }, "OrderTargetRenamed": function() { // By default, trigger an exit-reenter // so that state preconditions are checked against the new entity // (there is no reason to assume the target is still valid). this.SetNextState(this.GetCurrentState()); }, // Formation handlers: "FormationLeave": function(msg) { // ignore when we're not in FORMATIONMEMBER }, // Called when being told to walk as part of a formation "Order.FormationWalk": function(msg) { // Let players move captured domestic animals around if (this.IsAnimal() && !this.IsDomestic() || !this.AbleToMove()) { this.FinishOrder(); return; } // For packable units: // 1. If packed, we can move. // 2. If unpacked, we first need to pack, then follow case 1. if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } this.SetNextState("FORMATIONMEMBER.WALKING"); }, // Special orders: // (these will be overridden by various states) "Order.LeaveFoundation": function(msg) { // If foundation is not ally of entity, or if entity is unpacked siege, // ignore the order if (!this.WillMoveFromFoundation(msg.data.target)) { this.FinishOrder(); return; } this.order.data.min = g_LeaveFoundationRange; this.SetNextState("INDIVIDUAL.WALKING"); }, // Individual orders: // (these will switch the unit out of formation mode) "Order.Stop": function(msg) { // We have no control over non-domestic animals. if (this.IsAnimal() && !this.IsDomestic()) { this.FinishOrder(); return; } // Stop moving immediately. this.StopMoving(); this.FinishOrder(); // No orders left, we're an individual now if (this.IsAnimal()) this.SetNextState("ANIMAL.IDLE"); else if (this.IsFormationMember()) this.SetNextState("FORMATIONMEMBER.IDLE"); else this.SetNextState("INDIVIDUAL.IDLE"); }, "Order.Walk": function(msg) { // Let players move captured domestic animals around if (this.IsAnimal() && !this.IsDomestic() || !this.AbleToMove()) { this.FinishOrder(); return; } // For packable units: // 1. If packed, we can move. // 2. If unpacked, we first need to pack, then follow case 1. if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } this.SetHeldPosition(this.order.data.x, this.order.data.z); // It's not too bad if we don't arrive at exactly the right position. this.order.data.relaxed = true; if (this.IsAnimal()) this.SetNextState("ANIMAL.WALKING"); else this.SetNextState("INDIVIDUAL.WALKING"); }, "Order.WalkAndFight": function(msg) { // Let players move captured domestic animals around if (this.IsAnimal() && !this.IsDomestic() || !this.AbleToMove()) { this.FinishOrder(); return; } // For packable units: // 1. If packed, we can move. // 2. If unpacked, we first need to pack, then follow case 1. if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } this.SetHeldPosition(this.order.data.x, this.order.data.z); // It's not too bad if we don't arrive at exactly the right position. this.order.data.relaxed = true; if (this.IsAnimal()) this.SetNextState("ANIMAL.WALKING"); // WalkAndFight not applicable for animals else this.SetNextState("INDIVIDUAL.WALKINGANDFIGHTING"); }, "Order.WalkToTarget": function(msg) { // Let players move captured domestic animals around if (this.IsAnimal() && !this.IsDomestic() || !this.AbleToMove()) { this.FinishOrder(); return; } // For packable units: // 1. If packed, we can move. // 2. If unpacked, we first need to pack, then follow case 1. if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } if (this.CheckRange(this.order.data)) { // We are already at the target, or can't move at all this.FinishOrder(); return true; } // It's not too bad if we don't arrive at exactly the right position. this.order.data.relaxed = true; if (this.IsAnimal()) this.SetNextState("ANIMAL.WALKING"); else this.SetNextState("INDIVIDUAL.WALKING"); }, "Order.PickupUnit": function(msg) { let cmpGarrisonHolder = Engine.QueryInterface(this.entity, IID_GarrisonHolder); if (!cmpGarrisonHolder || cmpGarrisonHolder.IsFull()) { this.FinishOrder(); return; } let range = cmpGarrisonHolder.GetLoadingRange(); this.order.data.min = range.min; this.order.data.max = range.max; if (this.CheckRange(this.order.data)) { this.FinishOrder(); return; } // Check if we need to move // If the target can reach us and we are reasonably close, don't move. // TODO: it would be slightly more optimal to check for real, not bird-flight distance. let cmpPassengerMotion = Engine.QueryInterface(this.order.data.target, IID_UnitMotion); if (cmpPassengerMotion && cmpPassengerMotion.IsTargetRangeReachable(this.entity, range.min, range.max) && DistanceBetweenEntities(this.entity, this.order.data.target) < 200) this.SetNextState("INDIVIDUAL.PICKUP.LOADING"); else this.SetNextState("INDIVIDUAL.PICKUP.APPROACHING"); }, "Order.Guard": function(msg) { if (!this.AddGuard(this.order.data.target)) { this.FinishOrder(); return; } if (!this.CheckTargetRangeExplicit(this.isGuardOf, 0, this.guardRange)) this.SetNextState("INDIVIDUAL.GUARD.ESCORTING"); else this.SetNextState("INDIVIDUAL.GUARD.GUARDING"); }, "Order.Flee": function(msg) { if (this.IsAnimal()) this.SetNextState("ANIMAL.FLEEING"); else this.SetNextState("INDIVIDUAL.FLEEING"); }, "Order.Attack": function(msg) { // Check the target is alive if (!this.TargetIsAlive(this.order.data.target)) { this.FinishOrder(); return; } // Work out how to attack the given target var type = this.GetBestAttackAgainst(this.order.data.target, this.order.data.allowCapture); if (!type) { // Oops, we can't attack at all this.FinishOrder(); return; } this.order.data.attackType = type; this.RememberTargetPosition(); if (this.order.data.hunting && this.orderQueue.length > 1 && this.orderQueue[1].type === "Gather") this.RememberTargetPosition(this.orderQueue[1].data); // If we are already at the target, try attacking it from here if (this.CheckTargetAttackRange(this.order.data.target, this.order.data.attackType)) { // For packable units within attack range: // 1. If unpacked, we can attack the target. // 2. If packed, we first need to unpack, then follow case 1. if (this.CanUnpack()) { this.PushOrderFront("Unpack", { "force": true }); return; } // Cancel any current packing order. if (!this.EnsureCorrectPackStateForAttack(false)) return; if (this.IsAnimal()) this.SetNextState("ANIMAL.COMBAT.ATTACKING"); else this.SetNextState("INDIVIDUAL.COMBAT.ATTACKING"); return; } // If we can't reach the target, but are standing ground, then abandon this attack order. // Unless we're hunting, that's a special case where we should continue attacking our target. if (this.GetStance().respondStandGround && !this.order.data.force && !this.order.data.hunting || !this.AbleToMove()) { this.FinishOrder(); return; } // For packable units out of attack range: // 1. If packed, we need to move to attack range and then unpack. // 2. If unpacked, we first need to pack, then follow case 1. if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } // If we're currently packing/unpacking, make sure we are packed, so we can move. if (!this.EnsureCorrectPackStateForAttack(true)) return; if (this.IsAnimal()) this.SetNextState("ANIMAL.COMBAT.APPROACHING"); else this.SetNextState("INDIVIDUAL.COMBAT.APPROACHING"); }, "Order.Patrol": function(msg) { if (this.IsAnimal() || !this.AbleToMove()) { this.FinishOrder(); return; } if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } // It's not too bad if we don't arrive at exactly the right position. this.order.data.relaxed = true; this.SetNextState("INDIVIDUAL.PATROL"); }, "Order.Heal": function(msg) { // Check the target is alive if (!this.TargetIsAlive(this.order.data.target)) { this.FinishOrder(); return; } // Healers can't heal themselves. if (this.order.data.target == this.entity) { this.FinishOrder(); return; } // Check if the target is in range if (this.CheckTargetRange(this.order.data.target, IID_Heal)) { this.SetNextState("INDIVIDUAL.HEAL.HEALING"); return; } // If we can't reach the target, but are standing ground, // then abandon this heal order if (this.GetStance().respondStandGround && !this.order.data.force) { this.FinishOrder(); return; } this.SetNextState("INDIVIDUAL.HEAL.APPROACHING"); }, "Order.Gather": function(msg) { // If the target is still alive, we need to kill it first if (this.MustKillGatherTarget(this.order.data.target)) { // Make sure we can attack the target, else we'll get very stuck if (!this.GetBestAttackAgainst(this.order.data.target, false)) { // Oops, we can't attack at all - give up // TODO: should do something so the player knows why this failed this.FinishOrder(); return; } // The target was visible when this order was issued, // but could now be invisible again. if (!this.CheckTargetVisible(this.order.data.target)) { if (this.order.data.secondTry === undefined) { this.order.data.secondTry = true; this.PushOrderFront("Walk", this.order.data.lastPos); } // We couldn't move there, or the target moved away else { let data = this.order.data; if (!this.FinishOrder()) this.PushOrderFront("GatherNearPosition", { "x": data.lastPos.x, "z": data.lastPos.z, "type": data.type, "template": data.template }); } return; } this.PushOrderFront("Attack", { "target": this.order.data.target, "force": !!this.order.data.force, "hunting": true, "allowCapture": false }); return; } this.RememberTargetPosition(); if (!this.order.data.initPos) this.order.data.initPos = this.order.data.lastPos; if (this.CheckTargetRange(this.order.data.target, IID_ResourceGatherer)) this.SetNextState("INDIVIDUAL.GATHER.GATHERING"); else this.SetNextState("INDIVIDUAL.GATHER.APPROACHING"); }, "Order.GatherNearPosition": function(msg) { this.SetNextState("INDIVIDUAL.GATHER.WALKING"); this.order.data.initPos = { 'x': this.order.data.x, 'z': this.order.data.z }; this.order.data.relaxed = true; }, "Order.ReturnResource": function(msg) { // Check if the dropsite is already in range let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); if (this.CheckTargetRange(this.order.data.target, IID_ResourceGatherer) && this.CanReturnResource(this.order.data.target, true, cmpResourceGatherer)) { cmpResourceGatherer.CommitResources(this.order.data.target); // Stop showing the carried resource animation. this.SetDefaultAnimationVariant(); // Our next order should always be a Gather, // so just switch back to that order. this.FinishOrder(); return; } this.SetNextState("INDIVIDUAL.RETURNRESOURCE.APPROACHING"); }, "Order.Trade": function(msg) { // We must check if this trader has both markets in case it was a back-to-work order var cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); if (!cmpTrader || !cmpTrader.HasBothMarkets()) { this.FinishOrder(); return; } // TODO find the nearest way-point from our position, and start with it this.waypoints = undefined; this.SetNextState("TRADE.APPROACHINGMARKET"); }, "Order.Repair": function(msg) { // Try to move within range if (this.CheckTargetRange(this.order.data.target, IID_Builder)) this.SetNextState("INDIVIDUAL.REPAIR.REPAIRING"); else this.SetNextState("INDIVIDUAL.REPAIR.APPROACHING"); }, "Order.Garrison": function(msg) { if (!this.AbleToMove()) { this.SetNextState("IDLE"); return; } else if (this.IsGarrisoned()) { if (this.IsAnimal()) this.SetNextState("ANIMAL.GARRISON.GARRISONED"); else this.SetNextState("INDIVIDUAL.GARRISON.GARRISONED"); return; } // For packable units: // 1. If packed, we can move to the garrison target. // 2. If unpacked, we first need to pack, then follow case 1. if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } if (this.IsAnimal()) this.SetNextState("ANIMAL.GARRISON.APPROACHING"); else this.SetNextState("INDIVIDUAL.GARRISON.APPROACHING"); }, "Order.Ungarrison": function() { this.FinishOrder(); this.isGarrisoned = false; }, "Order.Cheer": function(msg) { return { "discardOrder": true }; }, "Order.Pack": function(msg) { if (this.CanPack()) this.SetNextState("INDIVIDUAL.PACKING"); }, "Order.Unpack": function(msg) { if (this.CanUnpack()) this.SetNextState("INDIVIDUAL.UNPACKING"); }, "Order.CancelPack": function(msg) { var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); if (cmpPack && cmpPack.IsPacking() && !cmpPack.IsPacked()) cmpPack.CancelPack(); this.FinishOrder(); }, "Order.CancelUnpack": function(msg) { var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); if (cmpPack && cmpPack.IsPacking() && cmpPack.IsPacked()) cmpPack.CancelPack(); this.FinishOrder(); }, // States for the special entity representing a group of units moving in formation: "FORMATIONCONTROLLER": { "Order.Walk": function(msg) { this.CallMemberFunction("SetHeldPosition", [msg.data.x, msg.data.z]); this.SetNextState("WALKING"); }, "Order.WalkAndFight": function(msg) { this.CallMemberFunction("SetHeldPosition", [msg.data.x, msg.data.z]); this.SetNextState("WALKINGANDFIGHTING"); }, "Order.MoveIntoFormation": function(msg) { this.CallMemberFunction("SetHeldPosition", [msg.data.x, msg.data.z]); this.SetNextState("FORMING"); }, // Only used by other orders to walk there in formation "Order.WalkToTargetRange": function(msg) { if (!this.CheckRange(this.order.data)) this.SetNextState("WALKING"); else this.FinishOrder(); }, "Order.WalkToTarget": function(msg) { if (!this.CheckRange(this.order.data)) this.SetNextState("WALKING"); else this.FinishOrder(); }, "Order.WalkToPointRange": function(msg) { if (!this.CheckRange(this.order.data)) this.SetNextState("WALKING"); else this.FinishOrder(); }, "Order.Patrol": function(msg) { this.CallMemberFunction("SetHeldPosition", [msg.data.x, msg.data.z]); this.SetNextState("PATROL"); }, "Order.Guard": function(msg) { this.CallMemberFunction("Guard", [msg.data.target, false]); var cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.Disband(); }, "Order.Stop": function(msg) { let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.ResetOrderVariant(); if (!this.IsAttackingAsFormation()) this.CallMemberFunction("Stop", [false]); this.StopMoving(); this.FinishOrder(); // Don't move the members back into formation, // as the formation then resets and it looks odd when walk-stopping. // TODO: this should be improved in the formation reshaping code. }, "Order.Attack": function(msg) { let target = msg.data.target; let allowCapture = msg.data.allowCapture; let cmpTargetUnitAI = Engine.QueryInterface(target, IID_UnitAI); if (cmpTargetUnitAI && cmpTargetUnitAI.IsFormationMember()) target = cmpTargetUnitAI.GetFormationController(); // Check if we are already in range, otherwise walk there if (!this.CheckFormationTargetAttackRange(target)) { if (this.TargetIsAlive(target) && this.CheckTargetVisible(target)) { this.SetNextState("COMBAT.APPROACHING"); return; } this.FinishOrder(); return; } this.CallMemberFunction("Attack", [target, allowCapture, false]); let cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); if (cmpAttack && cmpAttack.CanAttackAsFormation()) this.SetNextState("COMBAT.ATTACKING"); else this.SetNextState("MEMBER"); }, "Order.Garrison": function(msg) { if (!Engine.QueryInterface(msg.data.target, IID_GarrisonHolder)) { this.FinishOrder(); return; } // Check if we are already in range, otherwise walk there if (!this.CheckGarrisonRange(msg.data.target)) { if (!this.CheckTargetVisible(msg.data.target)) { this.FinishOrder(); return; } else { this.SetNextState("GARRISON.APPROACHING"); return; } } this.SetNextState("GARRISON.GARRISONING"); }, "Order.Gather": function(msg) { if (this.MustKillGatherTarget(msg.data.target)) { // The target was visible when this order was given, // but could now be invisible. if (!this.CheckTargetVisible(msg.data.target)) { if (msg.data.secondTry === undefined) { msg.data.secondTry = true; this.PushOrderFront("Walk", msg.data.lastPos); } // We couldn't move there, or the target moved away else { let data = msg.data; if (!this.FinishOrder()) this.PushOrderFront("GatherNearPosition", { "x": data.lastPos.x, "z": data.lastPos.z, "type": data.type, "template": data.template }); } return; } this.PushOrderFront("Attack", { "target": msg.data.target, "force": !!msg.data.force, "hunting": true, "allowCapture": false, "min": 0, "max": 10 }); return; } // TODO: on what should we base this range? // Check if we are already in range, otherwise walk there if (!this.CheckTargetRangeExplicit(msg.data.target, 0, 10)) { if (!this.CanGather(msg.data.target) || !this.CheckTargetVisible(msg.data.target)) // The target isn't gatherable or not visible any more. this.FinishOrder(); // TODO: Should we issue a gather-near-position order // if the target isn't gatherable/doesn't exist anymore? else // Out of range; move there in formation this.PushOrderFront("WalkToTargetRange", { "target": msg.data.target, "min": 0, "max": 10 }); return; } this.CallMemberFunction("Gather", [msg.data.target, false]); this.SetNextState("MEMBER"); }, "Order.GatherNearPosition": function(msg) { // TODO: on what should we base this range? // Check if we are already in range, otherwise walk there if (!this.CheckPointRangeExplicit(msg.data.x, msg.data.z, 0, 20)) { // Out of range; move there in formation this.PushOrderFront("WalkToPointRange", { "x": msg.data.x, "z": msg.data.z, "min": 0, "max": 20 }); return; } this.CallMemberFunction("GatherNearPosition", [msg.data.x, msg.data.z, msg.data.type, msg.data.template, false]); this.SetNextState("MEMBER"); }, "Order.Heal": function(msg) { // TODO: on what should we base this range? // Check if we are already in range, otherwise walk there if (!this.CheckTargetRangeExplicit(msg.data.target, 0, 10)) { if (!this.TargetIsAlive(msg.data.target) || !this.CheckTargetVisible(msg.data.target)) // The target was destroyed this.FinishOrder(); else // Out of range; move there in formation this.PushOrderFront("WalkToTargetRange", { "target": msg.data.target, "min": 0, "max": 10 }); return; } this.CallMemberFunction("Heal", [msg.data.target, false]); this.SetNextState("MEMBER"); }, "Order.Repair": function(msg) { // TODO: on what should we base this range? // Check if we are already in range, otherwise walk there if (!this.CheckTargetRangeExplicit(msg.data.target, 0, 10)) { if (!this.TargetIsAlive(msg.data.target) || !this.CheckTargetVisible(msg.data.target)) // The building was finished or destroyed this.FinishOrder(); else // Out of range move there in formation this.PushOrderFront("WalkToTargetRange", { "target": msg.data.target, "min": 0, "max": 10 }); return; } this.CallMemberFunction("Repair", [msg.data.target, msg.data.autocontinue, false]); this.SetNextState("MEMBER"); }, "Order.ReturnResource": function(msg) { // TODO: on what should we base this range? // Check if we are already in range, otherwise walk there if (!this.CheckTargetRangeExplicit(msg.data.target, 0, 10)) { if (!this.TargetIsAlive(msg.data.target) || !this.CheckTargetVisible(msg.data.target)) // The target was destroyed this.FinishOrder(); else // Out of range; move there in formation this.PushOrderFront("WalkToTargetRange", { "target": msg.data.target, "min": 0, "max": 10 }); return; } this.CallMemberFunction("ReturnResource", [msg.data.target, false]); this.SetNextState("MEMBER"); }, "Order.Pack": function(msg) { this.CallMemberFunction("Pack", [false]); this.SetNextState("MEMBER"); }, "Order.Unpack": function(msg) { this.CallMemberFunction("Unpack", [false]); this.SetNextState("MEMBER"); }, "IDLE": { "enter": function(msg) { return false; }, }, "WALKING": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.SetRearrange(true); cmpFormation.MoveMembersIntoFormation(true, true); return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { if (msg.likelyFailure || this.CheckRange(this.order.data)) this.FinishOrder(); }, }, "WALKINGANDFIGHTING": { "enter": function(msg) { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } this.StartTimer(0, 1000); let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.SetRearrange(true); cmpFormation.MoveMembersIntoFormation(true, true, "combat"); return false; }, "leave": function() { this.StopMoving(); this.StopTimer(); }, "Timer": function(msg) { // check if there are no enemies to attack this.FindWalkAndFightTargets(); }, "MovementUpdate": function(msg) { if (msg.likelyFailure || this.CheckRange(this.order.data)) this.FinishOrder(); }, }, "PATROL": { "enter": function(msg) { // Memorize the origin position in case that we want to go back let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) { this.FinishOrder(); return true; } if (!this.patrolStartPosOrder) { this.patrolStartPosOrder = cmpPosition.GetPosition(); this.patrolStartPosOrder.targetClasses = this.order.data.targetClasses; this.patrolStartPosOrder.allowCapture = this.order.data.allowCapture; } if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } this.StartTimer(0, 1000); let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.SetRearrange(true); cmpFormation.MoveMembersIntoFormation(true, true, "combat"); return false; }, "Timer": function(msg) { // Check if there are no enemies to attack this.FindWalkAndFightTargets(); }, "leave": function(msg) { this.StopTimer(); this.StopMoving(); delete this.patrolStartPosOrder; }, "MovementUpdate": function(msg) { if (!msg.likelyFailure && !this.CheckRange(this.order.data)) return; /** * A-B-A-B-..: * if the user only commands one patrol order, the patrol will be between * the last position and the defined waypoint * A-B-C-..-A-B-..: * otherwise, the patrol is only between the given patrol commands and the * last position is not included (last position = the position where the unit * is located at the time of the first patrol order) */ if (this.orderQueue.length == 1) this.PushOrder("Patrol", this.patrolStartPosOrder); this.PushOrder(this.order.type, this.order.data); this.FinishOrder(); }, }, "GARRISON":{ "APPROACHING": { "enter": function() { if (!this.MoveToGarrisonRange(this.order.data.target)) { this.FinishOrder(); return true; } let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.SetRearrange(true); cmpFormation.MoveMembersIntoFormation(true, true); // If the garrisonholder should pickup, warn it so it can take needed action. let cmpGarrisonHolder = Engine.QueryInterface(this.order.data.target, IID_GarrisonHolder); if (cmpGarrisonHolder && cmpGarrisonHolder.CanPickup(this.entity)) { this.pickup = this.order.data.target; // temporary, deleted in "leave" Engine.PostMessage(this.pickup, MT_PickupRequested, { "entity": this.entity }); } return false; }, "leave": function() { this.StopMoving(); // If a pickup has been requested and not yet canceled, cancel it. if (this.pickup) { Engine.PostMessage(this.pickup, MT_PickupCanceled, { "entity": this.entity }); delete this.pickup; } }, "MovementUpdate": function(msg) { if (msg.likelyFailure || msg.likelySuccess) this.SetNextState("GARRISONING"); }, }, "GARRISONING": { "enter": function() { this.CallMemberFunction("Garrison", [this.order.data.target, false]); this.SetNextState("MEMBER"); return true; }, }, }, "FORMING": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.SetRearrange(true); cmpFormation.MoveMembersIntoFormation(true, true); return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { if (!msg.likelyFailure && !this.CheckRange(this.order.data)) return; this.FinishOrder(); } }, "COMBAT": { "APPROACHING": { "enter": function() { if (!this.MoveFormationToTargetAttackRange(this.order.data.target)) { this.FinishOrder(); return true; } let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); cmpFormation.SetRearrange(true); cmpFormation.MoveMembersIntoFormation(true, true, "combat"); return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { let target = this.order.data.target; let cmpTargetUnitAI = Engine.QueryInterface(target, IID_UnitAI); if (cmpTargetUnitAI && cmpTargetUnitAI.IsFormationMember()) target = cmpTargetUnitAI.GetFormationController(); let cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); this.CallMemberFunction("Attack", [target, this.order.data.allowCapture, false]); if (cmpAttack.CanAttackAsFormation()) this.SetNextState("COMBAT.ATTACKING"); else this.SetNextState("MEMBER"); }, }, "ATTACKING": { // Wait for individual members to finish "enter": function(msg) { let target = this.order.data.target; let allowCapture = this.order.data.allowCapture; // Check if we are already in range, otherwise walk there if (!this.CheckFormationTargetAttackRange(target)) { if (this.TargetIsAlive(target) && this.CheckTargetVisible(target)) { this.SetNextState("COMBAT.APPROACHING"); return true; } this.FinishOrder(); return true; } let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); // TODO fix the rearranging while attacking as formation cmpFormation.SetRearrange(!this.IsAttackingAsFormation()); cmpFormation.MoveMembersIntoFormation(false, false, "combat"); this.StartTimer(200, 200); return false; }, "Timer": function(msg) { let target = this.order.data.target; let allowCapture = this.order.data.allowCapture; // Check if we are already in range, otherwise walk there if (!this.CheckFormationTargetAttackRange(target)) { if (this.TargetIsAlive(target) && this.CheckTargetVisible(target)) { this.SetNextState("COMBAT.APPROACHING"); return; } this.FinishOrder(); return; } }, "leave": function(msg) { this.StopTimer(); var cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (cmpFormation) cmpFormation.SetRearrange(true); }, }, }, // Wait for individual members to finish "MEMBER": { "OrderTargetRenamed": function(msg) { // In general, don't react - we don't want to send spurious messages to members. // This looks odd for hunting hwoever because we wait for all // entities to ahve clumped around the dead resource before proceeding // so explicitly handle this case. if (this.order && this.order.data && this.order.data.hunting && this.order.data.target == msg.data.newentity && this.orderQueue.length > 1) this.FinishOrder(); }, "enter": function(msg) { // Don't rearrange the formation, as that forces all units to stop // what they're doing. let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (cmpFormation) cmpFormation.SetRearrange(false); // While waiting on members, the formation is more like // a group of unit and does not have a well-defined position, // so move the controller out of the world to enforce that. let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (cmpPosition && cmpPosition.IsInWorld()) { this.StopMoving(); cmpPosition.MoveOutOfWorld(); } this.StartTimer(1000, 1000); return false; }, "Timer": function(msg) { // Have all members finished the task? let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (cmpFormation && !cmpFormation.AreAllMembersWaiting()) return; // Execute the next order if (this.FinishOrder()) { // if WalkAndFight order, look for new target before moving again if (this.IsWalkingAndFighting()) this.FindWalkAndFightTargets(); return; } return; }, "leave": function(msg) { this.StopTimer(); // Reform entirely as members might be all over the place now. let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (cmpFormation) cmpFormation.MoveMembersIntoFormation(true); // Update the held position so entities respond to orders. let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (cmpPosition && cmpPosition.IsInWorld()) { let pos = cmpPosition.GetPosition2D(); this.CallMemberFunction("SetHeldPosition", [pos.x, pos.y]); } }, }, }, // States for entities moving as part of a formation: "FORMATIONMEMBER": { "FormationLeave": function(msg) { // Stop moving as soon as the formation disbands // Keep current rotation let facePointAfterMove = this.GetFacePointAfterMove(); this.SetFacePointAfterMove(false); this.StopMoving(); this.SetFacePointAfterMove(facePointAfterMove); // If the controller handled an order but some members rejected it, // they will have no orders and be in the FORMATIONMEMBER.IDLE state. if (this.orderQueue.length) { // We're leaving the formation, so stop our FormationWalk order if (this.FinishOrder()) return; } // No orders left, we're an individual now this.formationAnimationVariant = undefined; this.SetNextState("INDIVIDUAL.IDLE"); }, // Override the LeaveFoundation order since we're not doing // anything more important (and we might be stuck in the WALKING // state forever and need to get out of foundations in that case) "Order.LeaveFoundation": function(msg) { // If foundation is not ally of entity, or if entity is unpacked siege, // ignore the order if (!this.WillMoveFromFoundation(msg.data.target)) { this.FinishOrder(); return; } this.order.data.min = g_LeaveFoundationRange; this.SetNextState("WALKINGTOPOINT"); }, "enter": function() { if (this.IsAnimal()) { // Animals can't go in formation. warn("Entity " + this.entity + " was put in FORMATIONMEMBER state but is an animal"); this.FinishOrder(); this.SetNextState("ANIMAL.IDLE"); return true; } let cmpFormation = Engine.QueryInterface(this.formationController, IID_Formation); if (cmpFormation) { this.formationAnimationVariant = cmpFormation.GetFormationAnimationVariant(this.entity); if (this.formationAnimationVariant) this.SetAnimationVariant(this.formationAnimationVariant); else this.SetDefaultAnimationVariant(); } return false; }, "leave": function() { this.SetDefaultAnimationVariant(); this.formationAnimationVariant = undefined; }, "IDLE": "INDIVIDUAL.IDLE", "CHEERING": "INDIVIDUAL.CHEERING", "WALKING": { "enter": function() { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); cmpUnitMotion.MoveToFormationOffset(this.order.data.target, this.order.data.x, this.order.data.z); if (this.order.data.offsetsChanged) { let cmpFormation = Engine.QueryInterface(this.formationController, IID_Formation); if (cmpFormation) this.formationAnimationVariant = cmpFormation.GetFormationAnimationVariant(this.entity); } if (this.formationAnimationVariant) this.SetAnimationVariant(this.formationAnimationVariant); else if (this.order.data.variant) this.SetAnimationVariant(this.order.data.variant); else this.SetDefaultAnimationVariant(); return false; }, "leave": function() { // Don't use the logic from unitMotion, as SetInPosition // has already given us a custom rotation // (or we failed to move and thus don't care.) let facePointAfterMove = this.GetFacePointAfterMove(); this.SetFacePointAfterMove(false); this.StopMoving(); // Reset previous behaviour. this.SetFacePointAfterMove(facePointAfterMove); }, // Occurs when the unit has reached its destination and the controller // is done moving. The controller is notified. "MovementUpdate": function(msg) { // When walking in formation, we'll only get notified in case of failure // if the formation controller has stopped walking. // Formations can start lagging a lot if many entities request short path // so prefer to finish order early than retry pathing. // (see https://code.wildfiregames.com/rP23806) // (if the message is likelyFailure of likelySuccess, we also want to stop). this.FinishOrder(); }, }, // Special case used by Order.LeaveFoundation "WALKINGTOPOINT": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } return false; }, "MovementUpdate": function() { if (!this.CheckRange(this.order.data)) return; this.StopMoving(); this.FinishOrder(); }, }, }, // States for entities not part of a formation: "INDIVIDUAL": { "enter": function() { // Sanity-checking if (this.IsAnimal()) error("Animal got moved into INDIVIDUAL.* state"); return false; }, "Attacked": function(msg) { // Respond to attack if we always target attackers or during unforced orders if (this.GetStance().targetAttackersAlways || !this.order || !this.order.data || !this.order.data.force) this.RespondToTargetedEntities([msg.data.attacker]); }, "GuardedAttacked": function(msg) { // do nothing if we have a forced order in queue before the guard order for (var i = 0; i < this.orderQueue.length; ++i) { if (this.orderQueue[i].type == "Guard") break; if (this.orderQueue[i].data && this.orderQueue[i].data.force) return; } // if we already are targeting another unit still alive, finish with it first if (this.order && (this.order.type == "WalkAndFight" || this.order.type == "Attack")) if (this.order.data.target != msg.data.attacker && this.TargetIsAlive(msg.data.attacker)) return; var cmpIdentity = Engine.QueryInterface(this.entity, IID_Identity); var cmpHealth = Engine.QueryInterface(this.isGuardOf, IID_Health); if (cmpIdentity && cmpIdentity.HasClass("Support") && cmpHealth && cmpHealth.IsInjured()) { if (this.CanHeal(this.isGuardOf)) this.PushOrderFront("Heal", { "target": this.isGuardOf, "force": false }); else if (this.CanRepair(this.isGuardOf)) this.PushOrderFront("Repair", { "target": this.isGuardOf, "autocontinue": false, "force": false }); return; } // if the attacker is a building and we can repair the guarded, repair it rather than attacking var cmpBuildingAI = Engine.QueryInterface(msg.data.attacker, IID_BuildingAI); if (cmpBuildingAI && this.CanRepair(this.isGuardOf)) { this.PushOrderFront("Repair", { "target": this.isGuardOf, "autocontinue": false, "force": false }); return; } // target the unit if (this.CheckTargetVisible(msg.data.attacker)) this.PushOrderFront("Attack", { "target": msg.data.attacker, "force": false, "allowCapture": true }); else { var cmpPosition = Engine.QueryInterface(msg.data.attacker, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return; var pos = cmpPosition.GetPosition(); this.PushOrderFront("WalkAndFight", { "x": pos.x, "z": pos.z, "target": msg.data.attacker, "force": false }); // if we already had a WalkAndFight, keep only the most recent one in case the target has moved if (this.orderQueue[1] && this.orderQueue[1].type == "WalkAndFight") { this.orderQueue.splice(1, 1); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); } } }, "IDLE": { "Order.Cheer": function() { this.SetNextState("CHEERING"); }, "enter": function() { // Switch back to idle animation to guarantee we won't // get stuck with an incorrect animation this.SelectAnimation("idle"); // Idle is the default state. If units try, from the IDLE.enter sub-state, to // begin another order, and that order fails (calling FinishOrder), they might // end up in an infinite loop. To avoid this, all methods that could put the unit in // a new state are done on the next turn. // This wastes a turn but avoids infinite loops. // Further, the GUI and AI want to know when a unit is idle, // but sending this info in Idle.enter will send spurious messages. // Pick 100 to execute on the next turn in SP and MP. this.StartTimer(100); return false; }, "leave": function() { let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (this.losRangeQuery) cmpRangeManager.DisableActiveQuery(this.losRangeQuery); if (this.losHealRangeQuery) cmpRangeManager.DisableActiveQuery(this.losHealRangeQuery); if (this.losAttackRangeQuery) cmpRangeManager.DisableActiveQuery(this.losAttackRangeQuery); this.StopTimer(); if (this.isIdle) { this.isIdle = false; Engine.PostMessage(this.entity, MT_UnitIdleChanged, { "idle": this.isIdle }); } }, // On the range updates: // We check for idleness to prevent an entity to react only to newly seen entities // when receiving a Los*RangeUpdate on the same turn as the entity becomes idle // since this.FindNew*Targets is called in the timer. "LosRangeUpdate": function(msg) { if (this.isIdle && msg && msg.data && msg.data.added && msg.data.added.length) this.RespondToSightedEntities(msg.data.added); }, "LosHealRangeUpdate": function(msg) { if (this.isIdle && msg && msg.data && msg.data.added && msg.data.added.length) this.RespondToHealableEntities(msg.data.added); }, "LosAttackRangeUpdate": function(msg) { if (this.isIdle && msg && msg.data && msg.data.added && msg.data.added.length && this.GetStance().targetVisibleEnemies) this.AttackEntitiesByPreference(msg.data.added); }, "Timer": function(msg) { // If the unit is guarding/escorting, go back to its duty. if (this.isGuardOf) { this.Guard(this.isGuardOf, false); return; } // If a unit can heal and attack we first want to heal wounded units, // so check if we are a healer and find whether there's anybody nearby to heal. // (If anyone approaches later it'll be handled via LosHealRangeUpdate.) // If anyone in sight gets hurt that will be handled via LosHealRangeUpdate. if (this.IsHealer() && this.FindNewHealTargets()) return; // If we entered the idle state we must have nothing better to do, // so immediately check whether there's anybody nearby to attack. // (If anyone approaches later, it'll be handled via LosAttackRangeUpdate.) if (this.FindNewTargets()) return; if (this.FindSightedEnemies()) return; if (!this.isIdle) { // Move back to the held position if we drifted away. // (only if not a formation member). if (!this.IsFormationMember() && this.GetStance().respondHoldGround && this.heldPosition && !this.CheckPointRangeExplicit(this.heldPosition.x, this.heldPosition.z, 0, 10) && this.WalkToHeldPosition()) return; this.isIdle = true; Engine.PostMessage(this.entity, MT_UnitIdleChanged, { "idle": this.isIdle }); } }, }, "WALKING": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { // If it looks like the path is failing, and we are close enough (3 tiles) // stop anyways. This avoids pathing for an unreachable goal and reduces lag considerably. if (msg.likelyFailure || msg.obstructed && this.RelaxedMaxRangeCheck(this.order.data, this.DefaultRelaxedMaxRange) || this.CheckRange(this.order.data)) this.FinishOrder(); }, }, "WALKINGANDFIGHTING": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } // Show weapons rather than carried resources. this.SetAnimationVariant("combat"); this.StartTimer(0, 1000); return false; }, "Timer": function(msg) { this.FindWalkAndFightTargets(); }, "leave": function(msg) { this.StopMoving(); this.StopTimer(); this.SetDefaultAnimationVariant(); }, "MovementUpdate": function(msg) { // If it looks like the path is failing, and we are close enough (3 tiles) // stop anyways. This avoids pathing for an unreachable goal and reduces lag considerably. if (msg.likelyFailure || msg.obstructed && this.RelaxedMaxRangeCheck(this.order.data, this.DefaultRelaxedMaxRange) || this.CheckRange(this.order.data)) this.FinishOrder(); }, }, "PATROL": { "enter": function() { // Memorize the origin position in case that we want to go back let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld() || !this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } if (!this.patrolStartPosOrder) { this.patrolStartPosOrder = cmpPosition.GetPosition(); this.patrolStartPosOrder.targetClasses = this.order.data.targetClasses; this.patrolStartPosOrder.allowCapture = this.order.data.allowCapture; } this.StartTimer(0, 1000); this.SetAnimationVariant("combat"); return false; }, "leave": function() { this.StopMoving(); this.StopTimer(); delete this.patrolStartPosOrder; this.SetDefaultAnimationVariant(); }, "Timer": function(msg) { this.FindWalkAndFightTargets(); }, "MovementUpdate": function(msg) { if (!msg.likelyFailure && !msg.likelySuccess && !this.RelaxedMaxRangeCheck(this.order.data, this.DefaultRelaxedMaxRange)) return; if (this.orderQueue.length == 1) this.PushOrder("Patrol", this.patrolStartPosOrder); this.PushOrder(this.order.type, this.order.data); this.FinishOrder(); }, }, "GUARD": { "RemoveGuard": function() { this.StopMoving(); this.FinishOrder(); }, "ESCORTING": { "enter": function() { if (!this.MoveToTargetRangeExplicit(this.isGuardOf, 0, this.guardRange)) { this.FinishOrder(); return true; } // Show weapons rather than carried resources. this.SetAnimationVariant("combat"); this.StartTimer(0, 1000); this.SetHeldPositionOnEntity(this.isGuardOf); return false; }, "Timer": function(msg) { // Check the target is alive if (!this.TargetIsAlive(this.isGuardOf)) { this.FinishOrder(); return; } // Adapt the speed to the one of the target if needed let cmpObstructionManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ObstructionManager); if (cmpObstructionManager.IsInTargetRange(this.entity, this.isGuardOf, 0, 3 * this.guardRange, false)) this.TryMatchTargetSpeed(this.isGuardOf, false); this.SetHeldPositionOnEntity(this.isGuardOf); }, "leave": function(msg) { this.StopMoving(); this.ResetSpeedMultiplier(); this.StopTimer(); this.SetDefaultAnimationVariant(); }, "MovementUpdate": function(msg) { if (msg.likelyFailure || this.CheckTargetRangeExplicit(this.isGuardOf, 0, this.guardRange)) this.SetNextState("GUARDING"); }, }, "GUARDING": { "enter": function() { this.StopMoving(); this.StartTimer(1000, 1000); this.SetHeldPositionOnEntity(this.entity); this.SetAnimationVariant("combat"); this.FaceTowardsTarget(this.order.data.target); return false; }, "LosAttackRangeUpdate": function(msg) { if (this.GetStance().targetVisibleEnemies) this.AttackEntitiesByPreference(msg.data.added); }, "Timer": function(msg) { // Check the target is alive if (!this.TargetIsAlive(this.isGuardOf)) { this.FinishOrder(); return; } // Then check is the target has moved and try following it. // TODO: find out what to do if we cannot move. if (!this.CheckTargetRangeExplicit(this.isGuardOf, 0, this.guardRange) && this.MoveToTargetRangeExplicit(this.isGuardOf, 0, this.guardRange)) this.SetNextState("ESCORTING"); else { this.FaceTowardsTarget(this.order.data.target); // if nothing better to do, check if the guarded needs to be healed or repaired var cmpHealth = Engine.QueryInterface(this.isGuardOf, IID_Health); if (cmpHealth && cmpHealth.IsInjured()) { if (this.CanHeal(this.isGuardOf)) this.PushOrderFront("Heal", { "target": this.isGuardOf, "force": false }); else if (this.CanRepair(this.isGuardOf)) this.PushOrderFront("Repair", { "target": this.isGuardOf, "autocontinue": false, "force": false }); } } }, "leave": function(msg) { this.StopTimer(); this.SetDefaultAnimationVariant(); }, }, }, "FLEEING": { "enter": function() { // We use the distance between the entities to account for ranged attacks this.order.data.distanceToFlee = DistanceBetweenEntities(this.entity, this.order.data.target) + (+this.template.FleeDistance); let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); // Use unit motion directly to ignore the visibility check. TODO: change this if we add LOS to fauna. if (this.CheckTargetRangeExplicit(this.order.data.target, this.order.data.distanceToFlee, -1) || !cmpUnitMotion || !cmpUnitMotion.MoveToTargetRange(this.order.data.target, this.order.data.distanceToFlee, -1)) { this.FinishOrder(); return true; } this.PlaySound("panic"); // Run quickly this.SetSpeedMultiplier(this.GetRunMultiplier()); return false; }, "OrderTargetRenamed": function(msg) { // To avoid replaying the panic sound, handle this explicitly. let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (this.CheckTargetRangeExplicit(this.order.data.target, this.order.data.distanceToFlee, -1) || !cmpUnitMotion || !cmpUnitMotion.MoveToTargetRange(this.order.data.target, this.order.data.distanceToFlee, -1)) this.FinishOrder(); }, "HealthChanged": function() { this.SetSpeedMultiplier(this.GetRunMultiplier()); }, "leave": function() { this.ResetSpeedMultiplier(); this.StopMoving(); }, "MovementUpdate": function(msg) { // When we've run far enough, stop fleeing if (msg.likelyFailure || this.CheckTargetRangeExplicit(this.order.data.target, this.order.data.distanceToFlee, -1)) this.FinishOrder(); }, // TODO: what if we run into more enemies while fleeing? }, "COMBAT": { "Order.LeaveFoundation": function(msg) { // Ignore the order as we're busy. return { "discardOrder": true }; }, "Attacked": function(msg) { // If we're already in combat mode, ignore anyone else who's attacking us // unless it's a melee attack since they may be blocking our way to the target if (msg.data.type == "Melee" && (this.GetStance().targetAttackersAlways || !this.order.data.force)) this.RespondToTargetedEntities([msg.data.attacker]); }, "leave": function() { if (!this.formationAnimationVariant) this.SetDefaultAnimationVariant(); }, "APPROACHING": { "enter": function() { if (!this.MoveToTargetAttackRange(this.order.data.target, this.order.data.attackType)) { this.FinishOrder(); return true; } if (!this.formationAnimationVariant) this.SetAnimationVariant("combat"); this.StartTimer(1000, 1000); return false; }, "leave": function() { this.StopMoving(); this.StopTimer(); }, "Timer": function(msg) { if (this.ShouldAbandonChase(this.order.data.target, this.order.data.force, IID_Attack, this.order.data.attackType)) { this.StopMoving(); this.FinishOrder(); // Return to our original position if (this.GetStance().respondHoldGround) this.WalkToHeldPosition(); } else { this.RememberTargetPosition(); if (this.order.data.hunting && this.orderQueue.length > 1 && this.orderQueue[1].type === "Gather") this.RememberTargetPosition(this.orderQueue[1].data); } }, "MovementUpdate": function(msg) { if (msg.likelyFailure) { // This also handles hunting. if (this.orderQueue.length > 1) { this.FinishOrder(); return; } else if (!this.order.data.force || !this.order.data.lastPos) { this.SetNextState("COMBAT.FINDINGNEWTARGET"); return; } // Go to the last known position and try to find enemies there. let lastPos = this.order.data.lastPos; this.PushOrder("WalkAndFight", { "x": lastPos.x, "z": lastPos.z, "force": false }); return; } if (this.CheckTargetAttackRange(this.order.data.target, this.order.data.attackType)) { // If the unit needs to unpack, do so if (this.CanUnpack()) { this.PushOrderFront("Unpack", { "force": true }); return; } this.SetNextState("ATTACKING"); } else if (msg.likelySuccess) // Try moving again, // attack range uses a height-related formula and our actual max range might have changed. if (!this.MoveToTargetAttackRange(this.order.data.target, this.order.data.attackType)) this.FinishOrder(); }, }, "ATTACKING": { "enter": function() { let target = this.order.data.target; let cmpFormation = Engine.QueryInterface(target, IID_Formation); // if the target is a formation, save the attacking formation, and pick a member if (cmpFormation) { this.order.data.formationTarget = target; target = cmpFormation.GetClosestMember(this.entity); this.order.data.target = target; } this.shouldCheer = false; if (!this.CanAttack(target)) { this.SetNextState("COMBAT.FINDINGNEWTARGET"); return true; } if (!this.CheckTargetAttackRange(target, this.order.data.attackType)) { if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return true; } this.SetNextState("COMBAT.APPROACHING"); return true; } this.StopMoving(); let cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); this.attackTimers = cmpAttack.GetTimers(this.order.data.attackType); // If the repeat time since the last attack hasn't elapsed, // delay this attack to avoid attacking too fast. let prepare = this.attackTimers.prepare; if (this.lastAttacked) { let cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer); let repeatLeft = this.lastAttacked + this.attackTimers.repeat - cmpTimer.GetTime(); prepare = Math.max(prepare, repeatLeft); } if (!this.formationAnimationVariant) this.SetAnimationVariant("combat"); this.oldAttackType = this.order.data.attackType; // add prefix + no capital first letter for attackType this.SelectAnimation("attack_" + this.order.data.attackType.toLowerCase()); this.SetAnimationSync(prepare, this.attackTimers.repeat); this.StartTimer(prepare, this.attackTimers.repeat); // TODO: we should probably only bother syncing projectile attacks, not melee // If using a non-default prepare time, re-sync the animation when the timer runs. this.resyncAnimation = prepare != this.attackTimers.prepare; this.FaceTowardsTarget(this.order.data.target); let cmpBuildingAI = Engine.QueryInterface(this.entity, IID_BuildingAI); if (cmpBuildingAI) { cmpBuildingAI.SetUnitAITarget(this.order.data.target); return false; } let cmpUnitAI = Engine.QueryInterface(this.order.data.target, IID_UnitAI); this.shouldCheer = cmpUnitAI && (!cmpUnitAI.IsAnimal() || cmpUnitAI.IsDangerousAnimal()); return false; }, "leave": function() { let cmpBuildingAI = Engine.QueryInterface(this.entity, IID_BuildingAI); if (cmpBuildingAI) cmpBuildingAI.SetUnitAITarget(0); this.StopTimer(); this.ResetAnimation(); }, "Timer": function(msg) { let target = this.order.data.target; let attackType = this.order.data.attackType; // Check the target is still alive and attackable if (!this.CanAttack(target)) { this.SetNextState("COMBAT.FINDINGNEWTARGET"); return; } this.RememberTargetPosition(); if (this.order.data.hunting && this.orderQueue.length > 1 && this.orderQueue[1].type === "Gather") this.RememberTargetPosition(this.orderQueue[1].data); let cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer); this.lastAttacked = cmpTimer.GetTime() - msg.lateness; this.FaceTowardsTarget(target); // BuildingAI has it's own attack-routine let cmpBuildingAI = Engine.QueryInterface(this.entity, IID_BuildingAI); if (!cmpBuildingAI) { let cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); cmpAttack.PerformAttack(attackType, target); } // PerformAttack might have triggered messages that moved us to another state. // (use 'ends with' to handle animals/formation members copying our state). if (!this.GetCurrentState().endsWith("COMBAT.ATTACKING")) return; // Check we can still reach the target for the next attack if (this.CheckTargetAttackRange(target, attackType)) { if (this.resyncAnimation) { this.SetAnimationSync(this.attackTimers.repeat, this.attackTimers.repeat); this.resyncAnimation = false; } return; } // Can't reach it - try to chase after it if (this.ShouldChaseTargetedEntity(target, this.order.data.force)) { if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } this.SetNextState("COMBAT.CHASING"); return; } this.SetNextState("FINDINGNEWTARGET"); }, // TODO: respond to target deaths immediately, rather than waiting // until the next Timer event "Attacked": function(msg) { // If we are capturing and are attacked by something that we would not capture, attack that entity instead if (this.order.data.attackType == "Capture" && (this.GetStance().targetAttackersAlways || !this.order.data.force) && this.order.data.target != msg.data.attacker && this.GetBestAttackAgainst(msg.data.attacker, true) != "Capture") this.RespondToTargetedEntities([msg.data.attacker]); }, }, "FINDINGNEWTARGET": { "Order.Cheer": function() { this.SetNextState("CHEERING"); }, "enter": function() { // Try to find the formation the target was a part of. let cmpFormation = Engine.QueryInterface(this.order.data.target, IID_Formation); if (!cmpFormation) cmpFormation = Engine.QueryInterface(this.order.data.formationTarget || INVALID_ENTITY, IID_Formation); // If the target is a formation, pick closest member. if (cmpFormation) { let filter = (t) => this.CanAttack(t); this.order.data.formationTarget = this.order.data.target; let target = cmpFormation.GetClosestMember(this.entity, filter); this.order.data.target = target; this.SetNextState("COMBAT.ATTACKING"); return true; } // Can't reach it, no longer owned by enemy, or it doesn't exist any more - give up // except if in WalkAndFight mode where we look for more enemies around before moving again. if (this.FinishOrder()) { if (this.IsWalkingAndFighting()) this.FindWalkAndFightTargets(); return true; } // See if we can switch to a new nearby enemy if (this.FindNewTargets()) return true; // Return to our original position if (this.GetStance().respondHoldGround) this.WalkToHeldPosition(); if (this.shouldCheer) { this.Cheer(); this.CallPlayerOwnedEntitiesFunctionInRange("Cheer", [], this.notifyToCheerInRange); } return true; }, }, "CHASING": { "Order.MoveToChasingPoint": function(msg) { if (this.CheckPointRangeExplicit(msg.data.x, msg.data.z, 0, msg.data.max)) { this.StopMoving(); this.FinishOrder(); return; } this.order.data.relaxed = true; this.StopTimer(); this.SetNextState("MOVINGTOPOINT"); }, "enter": function() { if (!this.MoveToTargetAttackRange(this.order.data.target, this.order.data.attackType)) { this.FinishOrder(); return true; } if (!this.formationAnimationVariant) this.SetAnimationVariant("combat"); var cmpUnitAI = Engine.QueryInterface(this.order.data.target, IID_UnitAI); if (cmpUnitAI && cmpUnitAI.IsFleeing()) this.SetSpeedMultiplier(this.GetRunMultiplier()); this.StartTimer(1000, 1000); return false; }, "leave": function() { this.ResetSpeedMultiplier(); this.StopMoving(); this.StopTimer(); }, "Timer": function(msg) { if (this.ShouldAbandonChase(this.order.data.target, this.order.data.force, IID_Attack, this.order.data.attackType)) { this.StopMoving(); this.FinishOrder(); // Return to our original position if (this.GetStance().respondHoldGround) this.WalkToHeldPosition(); } else { this.RememberTargetPosition(); if (this.order.data.hunting && this.orderQueue.length > 1 && this.orderQueue[1].type === "Gather") this.RememberTargetPosition(this.orderQueue[1].data); } }, "MovementUpdate": function(msg) { if (msg.likelyFailure) { // This also handles hunting. if (this.orderQueue.length > 1) { this.FinishOrder(); return; } else if (!this.order.data.force) { this.SetNextState("COMBAT.FINDINGNEWTARGET"); return; } else if (this.order.data.lastPos) { let lastPos = this.order.data.lastPos; let cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); this.PushOrder("MoveToChasingPoint", { "x": lastPos.x, "z": lastPos.z, "max": cmpAttack.GetRange(this.order.data.attackType).max, "force": true }); return; } } if (this.CheckTargetAttackRange(this.order.data.target, this.order.data.attackType)) { // If the unit needs to unpack, do so if (this.CanUnpack()) { this.PushOrderFront("Unpack", { "force": true }); return; } this.SetNextState("ATTACKING"); } else if (msg.likelySuccess) // Try moving again, // attack range uses a height-related formula and our actual max range might have changed. if (!this.MoveToTargetAttackRange(this.order.data.target, this.order.data.attackType)) this.FinishOrder(); }, "MOVINGTOPOINT": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { // If it looks like the path is failing, and we are close enough (3 tiles) from wanted range // stop anyways. This avoids pathing for an unreachable goal and reduces lag considerably. if (msg.likelyFailure || msg.obstructed && this.RelaxedMaxRangeCheck(this.order.data, this.order.data.max + this.DefaultRelaxedMaxRange) || !msg.obstructed && this.CheckRange(this.order.data)) this.FinishOrder(); }, }, }, }, "GATHER": { "leave": function() { // Show the carried resource, if we've gathered anything. this.SetDefaultAnimationVariant(); }, "APPROACHING": { "enter": function() { this.gatheringTarget = this.order.data.target; // temporary, deleted in "leave". // Check that we can gather from the resource we're supposed to gather from. - let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); let cmpSupply = Engine.QueryInterface(this.gatheringTarget, IID_ResourceSupply); let cmpMirage = Engine.QueryInterface(this.gatheringTarget, IID_Mirage); if ((!cmpMirage || !cmpMirage.Mirages(IID_ResourceSupply)) && - (!cmpSupply || !cmpSupply.AddGatherer(cmpOwnership.GetOwner(), this.entity)) || + (!cmpSupply || !cmpSupply.AddGatherer(this.entity)) || !this.MoveTo(this.order.data, IID_ResourceGatherer)) { // If the target's last known position is in FOW, try going there // and hope that we might find it then. let lastPos = this.order.data.lastPos; if (this.gatheringTarget != INVALID_ENTITY && lastPos && !this.CheckPositionVisible(lastPos.x, lastPos.z)) { this.PushOrderFront("Walk", { "x": lastPos.x, "z": lastPos.z, "force": this.order.data.force }); return true; } this.SetNextState("FINDINGNEWTARGET"); return true; } this.SetAnimationVariant("approach_" + this.order.data.type.specific); return false; }, "MovementUpdate": function(msg) { // The GATHERING timer will handle finding a valid resource. if (msg.likelyFailure) this.SetNextState("FINDINGNEWTARGET"); else if (this.CheckRange(this.order.data, IID_ResourceGatherer)) this.SetNextState("GATHERING"); }, "leave": function() { this.StopMoving(); if (!this.gatheringTarget) return; // don't use ownership because this is called after a conversion/resignation // and the ownership would be invalid then. let cmpSupply = Engine.QueryInterface(this.gatheringTarget, IID_ResourceSupply); if (cmpSupply) cmpSupply.RemoveGatherer(this.entity); delete this.gatheringTarget; }, }, // Walking to a good place to gather resources near, used by GatherNearPosition "WALKING": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } this.SetAnimationVariant("approach_" + this.order.data.type.specific); return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { // If we failed, the GATHERING timer will handle finding a valid resource. if (msg.likelyFailure || msg.obstructed && this.RelaxedMaxRangeCheck(this.order.data, this.DefaultRelaxedMaxRange) || this.CheckRange(this.order.data)) this.SetNextState("GATHERING"); }, }, "GATHERING": { "enter": function() { this.gatheringTarget = this.order.data.target || INVALID_ENTITY; // deleted in "leave". // Check if the resource is full. // Will only be added if we're not already in. - let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); - let cmpSupply; - if (cmpOwnership) - cmpSupply = Engine.QueryInterface(this.gatheringTarget, IID_ResourceSupply); - if (!cmpSupply || !cmpSupply.AddGatherer(cmpOwnership.GetOwner(), this.entity)) + let cmpSupply = Engine.QueryInterface(this.gatheringTarget, IID_ResourceSupply); + if (!cmpSupply || !cmpSupply.AddGatherer(this.entity)) { this.SetNextState("FINDINGNEWTARGET"); return true; } // If this order was forced, the player probably gave it, but now we've reached the target // switch to an unforced order (can be interrupted by attacks) this.order.data.force = false; this.order.data.autoharvest = true; // Calculate timing based on gather rates // This allows the gather rate to control how often we gather, instead of how much. let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); let rate = cmpResourceGatherer.GetTargetGatherRate(this.gatheringTarget); if (!rate) { // Try to find another target if the current one stopped existing if (!Engine.QueryInterface(this.gatheringTarget, IID_Identity)) { this.SetNextState("FINDINGNEWTARGET"); return true; } // No rate, give up on gathering this.FinishOrder(); return true; } // Scale timing interval based on rate, and start timer // The offset should be at least as long as the repeat time so we use the same value for both. let offset = 1000 / rate; this.StartTimer(offset, offset); // We want to start the gather animation as soon as possible, // but only if we're actually at the target and it's still alive // (else it'll look like we're chopping empty air). // (If it's not alive, the Timer handler will deal with sending us // off to a different target.) if (this.CheckTargetRange(this.gatheringTarget, IID_ResourceGatherer)) { this.StopMoving(); this.SetDefaultAnimationVariant(); this.FaceTowardsTarget(this.order.data.target); this.SelectAnimation("gather_" + this.order.data.type.specific); } return false; }, "leave": function() { this.StopTimer(); // Don't use ownership because this is called after a conversion/resignation // and the ownership would be invalid then. let cmpSupply = Engine.QueryInterface(this.gatheringTarget, IID_ResourceSupply); if (cmpSupply) cmpSupply.RemoveGatherer(this.entity); delete this.gatheringTarget; this.ResetAnimation(); }, "Timer": function(msg) { let resourceTemplate = this.order.data.template; let resourceType = this.order.data.type; - let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); - if (!cmpOwnership) - return; - // TODO: we are leaking information here - if the target died in FOW, we'll know it's dead // straight away. // Seems one would have to listen to ownership changed messages to make it work correctly // but that's likely prohibitively expansive performance wise. let cmpSupply = Engine.QueryInterface(this.gatheringTarget, IID_ResourceSupply); // If we can't gather from the target, find a new one. - if (!cmpSupply || !cmpSupply.IsAvailable(cmpOwnership.GetOwner(), this.entity) || + if (!cmpSupply || !cmpSupply.IsAvailableTo(this.entity) || !this.CanGather(this.gatheringTarget)) { this.SetNextState("FINDINGNEWTARGET"); return; } if (!this.CheckTargetRange(this.gatheringTarget, IID_ResourceGatherer)) { // Try to follow the target if (this.MoveToTargetRange(this.gatheringTarget, IID_ResourceGatherer)) this.SetNextState("APPROACHING"); // Our target is no longer visible - go to its last known position first // and then hopefully it will become visible. else if (!this.CheckTargetVisible(this.gatheringTarget) && this.order.data.lastPos) this.PushOrderFront("Walk", { "x": this.order.data.lastPos.x, "z": this.order.data.lastPos.z, "force": this.order.data.force }); else this.SetNextState("FINDINGNEWTARGET"); return; } // Gather the resources: let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); // Try to gather treasure if (cmpResourceGatherer.TryInstantGather(this.gatheringTarget)) return; // If we've already got some resources but they're the wrong type, // drop them first to ensure we're only ever carrying one type if (cmpResourceGatherer.IsCarryingAnythingExcept(resourceType.generic)) cmpResourceGatherer.DropResources(); this.FaceTowardsTarget(this.order.data.target); // Collect from the target let status = cmpResourceGatherer.PerformGather(this.gatheringTarget); // If we've collected as many resources as possible, // return to the nearest dropsite if (status.filled) { let nearestDropsite = this.FindNearestDropsite(resourceType.generic); if (nearestDropsite) { // (Keep this Gather order on the stack so we'll // continue gathering after returning) // However mark our target as invalid if it's exhausted, so we don't waste time // trying to gather from it. if (status.exhausted) this.order.data.target = INVALID_ENTITY; this.PushOrderFront("ReturnResource", { "target": nearestDropsite, "force": false }); return; } // Oh no, couldn't find any drop sites. Give up on gathering. this.FinishOrder(); return; } // Find a new target if the current one is exhausted if (status.exhausted) this.SetNextState("FINDINGNEWTARGET"); }, }, "FINDINGNEWTARGET": { "enter": function() { let previousTarget = this.order.data.target; let resourceTemplate = this.order.data.template; let resourceType = this.order.data.type; // Give up on this order and try our next queued order // but first check what is our next order and, if needed, insert a returnResource order let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); if (cmpResourceGatherer.IsCarrying(resourceType.generic) && this.orderQueue.length > 1 && this.orderQueue[1] !== "ReturnResource" && (this.orderQueue[1].type !== "Gather" || this.orderQueue[1].data.type.generic !== resourceType.generic)) { let nearestDropsite = this.FindNearestDropsite(resourceType.generic); if (nearestDropsite) this.orderQueue.splice(1, 0, { "type": "ReturnResource", "data": { "target": nearestDropsite, "force": false } }); } // Must go before FinishOrder or this.order will be undefined. let initPos = this.order.data.initPos; if (this.FinishOrder()) return true; // No remaining orders - pick a useful default behaviour // Give up if we're not in the world right now. let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return true; // If we have no known initial position of our target, look around our own position // as a fallback. if (!initPos) { let pos = cmpPosition.GetPosition(); initPos = { 'x': pos.X, 'z': pos.Z }; } // Try to find a new resource of the same specific type near the initial resource position: // Also don't switch to a different type of huntable animal let nearbyResource = this.FindNearbyResource(new Vector2D(initPos.x, initPos.z), (ent, type, template) => { if (previousTarget == ent) return false; if (type.generic == "treasure" && resourceType.generic == "treasure") return true; return type.specific == resourceType.specific && (type.specific != "meat" || resourceTemplate == template); }); if (nearbyResource) { this.PerformGather(nearbyResource, false, false); return true; } // Failing that, try to move there and se if we are more lucky: maybe there are resources in FOW. // Only move if we are some distance away (TODO: pick the distance better?) if (!this.CheckPointRangeExplicit(initPos.x, initPos.z, 0, 10)) { this.GatherNearPosition(initPos.x, initPos.z, resourceType, resourceTemplate); return true; } // Nothing else to gather - if we're carrying anything then we should // drop it off, and if not then we might as well head to the dropsite // anyway because that's a nice enough place to congregate and idle let nearestDropsite = this.FindNearestDropsite(resourceType.generic); if (nearestDropsite) { this.PushOrderFront("ReturnResource", { "target": nearestDropsite, "force": false }); return true; } // No dropsites - just give up. return true; }, }, }, "HEAL": { "Attacked": function(msg) { // If we stand ground we will rather die than flee if (!this.GetStance().respondStandGround && !this.order.data.force) this.Flee(msg.data.attacker, false); }, "APPROACHING": { "enter": function() { if (this.CheckRange(this.order.data, IID_Heal)) { this.SetNextState("HEALING"); return true; } if (!this.MoveTo(this.order.data, IID_Heal)) { this.SetNextState("FINDINGNEWTARGET"); return true; } this.StartTimer(1000, 1000); return false; }, "leave": function() { this.StopMoving(); this.StopTimer(); }, "Timer": function(msg) { if (this.ShouldAbandonChase(this.order.data.target, this.order.data.force, IID_Heal, null)) this.SetNextState("FINDINGNEWTARGET"); }, "MovementUpdate": function(msg) { if (msg.likelyFailure || this.CheckRange(this.order.data, IID_Heal)) this.SetNextState("HEALING"); }, }, "HEALING": { "enter": function() { if (!this.CheckRange(this.order.data, IID_Heal)) { this.SetNextState("APPROACHING"); return true; } if (!this.TargetIsAlive(this.order.data.target) || !this.CanHeal(this.order.data.target)) { this.SetNextState("FINDINGNEWTARGET"); return true; } let cmpHeal = Engine.QueryInterface(this.entity, IID_Heal); this.healTimers = cmpHeal.GetTimers(); // If the repeat time since the last heal hasn't elapsed, // delay the action to avoid healing too fast. var prepare = this.healTimers.prepare; if (this.lastHealed) { var cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer); var repeatLeft = this.lastHealed + this.healTimers.repeat - cmpTimer.GetTime(); prepare = Math.max(prepare, repeatLeft); } this.SelectAnimation("heal"); this.SetAnimationSync(prepare, this.healTimers.repeat); this.StartTimer(prepare, this.healTimers.repeat); // If using a non-default prepare time, re-sync the animation when the timer runs. this.resyncAnimation = prepare != this.healTimers.prepare; this.FaceTowardsTarget(this.order.data.target); return false; }, "leave": function() { this.ResetAnimation(); this.StopTimer(); }, "Timer": function(msg) { let target = this.order.data.target; // Check the target is still alive and healable if (!this.TargetIsAlive(target) || !this.CanHeal(target)) { this.SetNextState("FINDINGNEWTARGET"); return; } // Check if we can still reach the target if (!this.CheckRange(this.order.data, IID_Heal)) { if (this.ShouldChaseTargetedEntity(target, this.order.data.force)) { // Can't reach it - try to chase after it if (this.CanPack()) { this.PushOrderFront("Pack", { "force": true }); return; } this.SetNextState("HEAL.APPROACHING"); } else this.SetNextState("FINDINGNEWTARGET"); return; } let cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer); this.lastHealed = cmpTimer.GetTime() - msg.lateness; this.FaceTowardsTarget(target); let cmpHeal = Engine.QueryInterface(this.entity, IID_Heal); cmpHeal.PerformHeal(target); if (this.resyncAnimation) { this.SetAnimationSync(this.healTimers.repeat, this.healTimers.repeat); this.resyncAnimation = false; } }, }, "FINDINGNEWTARGET": { "enter": function() { // If we have another order, do that instead. if (this.FinishOrder()) return true; // Heal another one if (this.FindNewHealTargets()) return true; // Return to our original position if (this.GetStance().respondHoldGround) this.WalkToHeldPosition(); // We quit this state right away. return true; }, }, }, // Returning to dropsite "RETURNRESOURCE": { "APPROACHING": { "enter": function() { if (!this.MoveTo(this.order.data, IID_ResourceGatherer)) { this.FinishOrder(); return true; } return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { // Check the dropsite is in range and we can return our resource there // (we didn't get stopped before reaching it) let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); if (this.CheckTargetRange(this.order.data.target, IID_ResourceGatherer) && this.CanReturnResource(this.order.data.target, true, cmpResourceGatherer)) { cmpResourceGatherer.CommitResources(this.order.data.target); // Stop showing the carried resource animation. this.SetDefaultAnimationVariant(); // Our next order should always be a Gather, // so just switch back to that order. this.FinishOrder(); return; } if (msg.obstructed) return; // If we are here: we are in range but not carrying the right resources (or resources at all), // the dropsite was destroyed, or we couldn't reach it, or ownership changed. // Look for a new one. let genericType = cmpResourceGatherer.GetMainCarryingType(); let nearby = this.FindNearestDropsite(genericType); if (nearby) { this.FinishOrder(); this.PushOrderFront("ReturnResource", { "target": nearby, "force": false }); return; } // Oh no, couldn't find any drop sites. Give up on returning. this.FinishOrder(); }, }, }, "TRADE": { "Attacked": function(msg) { // Ignore attack // TODO: Inform player }, "APPROACHINGMARKET": { "enter": function() { if (!this.MoveToMarket(this.order.data.target)) { this.FinishOrder(); return true; } return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { if (!msg.likelyFailure && !this.CheckTargetRange(this.order.data.target, IID_Trader)) return; if (this.waypoints && this.waypoints.length) { if (!this.MoveToMarket(this.order.data.target)) this.StopTrading(); } else this.PerformTradeAndMoveToNextMarket(this.order.data.target); }, }, "TradingCanceled": function(msg) { if (msg.market != this.order.data.target) return; let cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); let otherMarket = cmpTrader && cmpTrader.GetFirstMarket(); this.StopTrading(); if (otherMarket) this.WalkToTarget(otherMarket); }, }, "REPAIR": { "APPROACHING": { "enter": function() { if (!this.MoveTo(this.order.data, IID_Builder)) { this.FinishOrder(); return true; } return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { if (msg.likelyFailure || msg.likelySuccess) this.SetNextState("REPAIRING"); }, }, "REPAIRING": { "enter": function() { // If this order was forced, the player probably gave it, but now we've reached the target // switch to an unforced order (can be interrupted by attacks) if (this.order.data.force) this.order.data.autoharvest = true; this.order.data.force = false; // Needed to remove the entity from the builder list when leaving this state. this.repairTarget = this.order.data.target; // Check we can still reach and repair the target. if (!this.CanRepair(this.repairTarget)) { // Can't reach it, no longer owned by ally, or it doesn't exist any more. this.FinishOrder(); return true; } if (!this.CheckTargetRange(this.repairTarget, IID_Builder)) { this.SetNextState("APPROACHING"); return true; } // Check if the target is still repairable. let cmpHealth = Engine.QueryInterface(this.repairTarget, IID_Health); if (cmpHealth && cmpHealth.GetHitpoints() >= cmpHealth.GetMaxHitpoints()) { // The building was already finished/fully repaired before we arrived; // let the ConstructionFinished handler handle this. this.ConstructionFinished({ "entity": this.repairTarget, "newentity": this.repairTarget }); return true; } this.StopMoving(); let cmpBuilderList = QueryBuilderListInterface(this.repairTarget); if (cmpBuilderList) cmpBuilderList.AddBuilder(this.entity); this.FaceTowardsTarget(this.repairTarget); this.SelectAnimation("build"); this.StartTimer(1000, 1000); return false; }, "leave": function() { let cmpBuilderList = QueryBuilderListInterface(this.repairTarget); if (cmpBuilderList) cmpBuilderList.RemoveBuilder(this.entity); delete this.repairTarget; this.StopTimer(); this.ResetAnimation(); }, "Timer": function(msg) { // Check we can still reach and repair the target. if (!this.CanRepair(this.repairTarget)) { // No longer owned by ally, or it doesn't exist any more. this.FinishOrder(); return; } this.FaceTowardsTarget(this.repairTarget); let cmpBuilder = Engine.QueryInterface(this.entity, IID_Builder); cmpBuilder.PerformBuilding(this.repairTarget); // If the building is completed, the leave() function will be called // by the ConstructionFinished message. // In that case, the repairTarget is deleted, and we can just return. if (!this.repairTarget) return; if (!this.CheckTargetRange(this.repairTarget, IID_Builder)) this.SetNextState("APPROACHING"); }, }, "ConstructionFinished": function(msg) { if (msg.data.entity != this.order.data.target) return; // ignore other buildings // Save the current order's data in case we need it later let oldData = this.order.data; // Save the current state so we can continue walking if necessary // FinishOrder() below will switch to IDLE if there's no order, which sets the idle animation. // Idle animation while moving towards finished construction looks weird (ghosty). let oldState = this.GetCurrentState(); // Drop any resource we can if we are in range when the construction finishes let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); let canReturnResources = this.CanReturnResource(msg.data.newentity, true, cmpResourceGatherer); if (this.CheckTargetRange(msg.data.newentity, IID_Builder) && canReturnResources) { cmpResourceGatherer.CommitResources(msg.data.newentity); this.SetDefaultAnimationVariant(); } // We finished building it. // Switch to the next order (if any) if (this.FinishOrder()) { if (canReturnResources) { // We aren't in range, but we can still return resources there: always do so. this.SetDefaultAnimationVariant(); this.PushOrderFront("ReturnResource", { "target": msg.data.newentity, "force": false }); } return; } if (canReturnResources) { // We aren't in range, but we can still return resources there: always do so. this.SetDefaultAnimationVariant(); this.PushOrderFront("ReturnResource", { "target": msg.data.newentity, "force": false }); } // No remaining orders - pick a useful default behaviour // If autocontinue explicitly disabled (e.g. by AI) then // do nothing automatically if (!oldData.autocontinue) return; // If this building was e.g. a farm of ours, the entities that received // the build command should start gathering from it if ((oldData.force || oldData.autoharvest) && this.CanGather(msg.data.newentity)) { this.PerformGather(msg.data.newentity, true, false); return; } // If this building was e.g. a farmstead of ours, entities that received // the build command should look for nearby resources to gather if ((oldData.force || oldData.autoharvest) && this.CanReturnResource(msg.data.newentity, false, cmpResourceGatherer)) { let cmpResourceDropsite = Engine.QueryInterface(msg.data.newentity, IID_ResourceDropsite); let types = cmpResourceDropsite.GetTypes(); // TODO: Slightly undefined behavior here, we don't know what type of resource will be collected, // may cause problems for AIs (especially hunting fast animals), but avoid ugly hacks to fix that! let nearby = this.FindNearbyResource(this.TargetPosOrEntPos(msg.data.newentity), (ent, type, template) => types.indexOf(type.generic) != -1); if (nearby) { this.PerformGather(nearby, true, false); return; } } // Look for a nearby foundation to help with. let nearbyFoundation = this.FindNearbyFoundation(this.TargetPosOrEntPos(msg.data.newentity)); if (nearbyFoundation) { this.AddOrder("Repair", { "target": nearbyFoundation, "autocontinue": oldData.autocontinue, "force": false }, true); return; } // Unit was approaching and there's nothing to do now, so switch to walking if (oldState.endsWith("REPAIR.APPROACHING")) // We're already walking to the given point, so add this as a order. this.WalkToTarget(msg.data.newentity, true); }, }, "GARRISON": { "leave": function() { // If a pickup has been requested and not yet canceled, cancel it. if (this.pickup) { Engine.PostMessage(this.pickup, MT_PickupCanceled, { "entity": this.entity }); delete this.pickup; } return false; }, "APPROACHING": { "enter": function() { if (!this.MoveToGarrisonRange(this.order.data.target)) { this.FinishOrder(); return true; } // If a pickup was still pending, cancel that. if (this.pickup) Engine.PostMessage(this.pickup, MT_PickupCanceled, { "entity": this.entity }); // If the garrisonholder should pickup, warn it so it can take needed action. let cmpGarrisonHolder = Engine.QueryInterface(this.order.data.target, IID_GarrisonHolder); if (cmpGarrisonHolder && cmpGarrisonHolder.CanPickup(this.entity)) { this.pickup = this.order.data.target; // temporary, deleted in "leave" Engine.PostMessage(this.pickup, MT_PickupRequested, { "entity": this.entity }); } return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { if (msg.likelyFailure || msg.likelySuccess) this.SetNextState("GARRISONED"); }, }, "GARRISONED": { "enter": function() { let target = this.order.data.target; if (!target) { this.FinishOrder(); return true; } if (this.IsGarrisoned()) return false; // Check that we can garrison here if (this.CanGarrison(target)) // Check that we're in range of the garrison target if (this.CheckGarrisonRange(target)) { var cmpGarrisonHolder = Engine.QueryInterface(target, IID_GarrisonHolder); // Check that garrisoning succeeds if (cmpGarrisonHolder.Garrison(this.entity)) { this.isGarrisoned = true; this.SetImmobile(true); if (this.formationController) { var cmpFormation = Engine.QueryInterface(this.formationController, IID_Formation); if (cmpFormation) { // disable rearrange for this removal, // but enable it again for the next // move command var rearrange = cmpFormation.rearrange; cmpFormation.SetRearrange(false); cmpFormation.RemoveMembers([this.entity]); cmpFormation.SetRearrange(rearrange); } } // Check if we are garrisoned in a dropsite. let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); if (this.CanReturnResource(target, true, cmpResourceGatherer)) { cmpResourceGatherer.CommitResources(target); this.SetDefaultAnimationVariant(); } // If a pickup has been requested, remove it if (this.pickup) { Engine.PostMessage(this.pickup, MT_PickupCanceled, { "entity": this.entity }); delete this.pickup; } if (this.IsTurret()) { this.SetNextState("IDLE"); return true; } return false; } } else { // Unable to reach the target, try again (or follow if it is a moving target) // except if the does not exits anymore or its orders have changed if (this.pickup) { var cmpUnitAI = Engine.QueryInterface(this.pickup, IID_UnitAI); if (!cmpUnitAI || (!cmpUnitAI.HasPickupOrder(this.entity) && !cmpUnitAI.IsIdle())) { this.FinishOrder(); return true; } } this.SetNextState("APPROACHING"); return true; } // Garrisoning failed for some reason, so finish the order this.FinishOrder(); return true; }, "leave": function() { } }, }, "CHEERING": { "enter": function() { this.SelectAnimation("promotion"); this.StartTimer(2800); return false; }, "leave": function() { this.StopTimer(); this.ResetAnimation(); }, "LosRangeUpdate": function(msg) { if (msg && msg.data && msg.data.added && msg.data.added.length) this.RespondToSightedEntities(msg.data.added); }, "LosHealRangeUpdate": function(msg) { if (msg && msg.data && msg.data.added && msg.data.added.length) this.RespondToHealableEntities(msg.data.added); }, "LosAttackRangeUpdate": function(msg) { if (msg && msg.data && msg.data.added && msg.data.added.length && this.GetStance().targetVisibleEnemies) this.AttackEntitiesByPreference(msg.data.added); }, "Timer": function(msg) { this.FinishOrder(); }, }, "PACKING": { "enter": function() { this.StopMoving(); var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); cmpPack.Pack(); return false; }, "PackFinished": function(msg) { this.FinishOrder(); }, "leave": function() { }, "Attacked": function(msg) { // Ignore attacks while packing }, }, "UNPACKING": { "enter": function() { this.StopMoving(); var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); cmpPack.Unpack(); return false; }, "PackFinished": function(msg) { this.FinishOrder(); }, "leave": function() { }, "Attacked": function(msg) { // Ignore attacks while unpacking }, }, "PICKUP": { "APPROACHING": { "enter": function() { if (!this.MoveTo(this.order.data)) { this.FinishOrder(); return true; } return false; }, "leave": function() { this.StopMoving(); }, "MovementUpdate": function(msg) { if (msg.likelyFailure || msg.likelySuccess) this.SetNextState("LOADING"); }, "PickupCanceled": function() { this.StopMoving(); this.FinishOrder(); }, }, "LOADING": { "enter": function() { this.StopMoving(); var cmpGarrisonHolder = Engine.QueryInterface(this.entity, IID_GarrisonHolder); if (!cmpGarrisonHolder || cmpGarrisonHolder.IsFull()) { this.FinishOrder(); return true; } return false; }, "PickupCanceled": function() { this.FinishOrder(); }, }, }, }, "ANIMAL": { "Attacked": function(msg) { if (this.template.NaturalBehaviour == "skittish" || this.template.NaturalBehaviour == "passive") { this.Flee(msg.data.attacker, false); } else if (this.IsDangerousAnimal() || this.template.NaturalBehaviour == "defensive") { if (this.CanAttack(msg.data.attacker)) this.Attack(msg.data.attacker, false); } else if (this.template.NaturalBehaviour == "domestic") { // Never flee, stop what we were doing this.SetNextState("IDLE"); } }, "Order.LeaveFoundation": function(msg) { // Move a tile outside the building if (this.CheckTargetRangeExplicit(msg.data.target, g_LeaveFoundationRange, -1)) { this.FinishOrder(); return; } this.order.data.min = g_LeaveFoundationRange; this.SetNextState("WALKING"); }, "IDLE": { // (We need an IDLE state so that FinishOrder works) "enter": function() { // Start feeding immediately this.SetNextState("FEEDING"); return true; }, }, "ROAMING": { "enter": function() { // Walk in a random direction this.SetFacePointAfterMove(false); this.MoveRandomly(+this.template.RoamDistance); // Set a random timer to switch to feeding state this.StartTimer(randIntInclusive(+this.template.RoamTimeMin, +this.template.RoamTimeMax)); return false; }, "leave": function() { this.StopMoving(); this.StopTimer(); this.SetFacePointAfterMove(true); }, "LosRangeUpdate": function(msg) { if (msg && msg.data && msg.data.added && msg.data.added.length) this.RespondToSightedEntities(msg.data.added); }, "LosAttackRangeUpdate": function(msg) { if (this.IsDangerousAnimal() && msg && msg.data && msg.data.added && msg.data.added.length) this.AttackVisibleEntity(msg.data.added); // TODO: if two units enter our range together, we'll attack the // first and then the second won't trigger another LosAttackRangeUpdate // so we won't notice it. Probably we should do something with // ResetActiveQuery in ROAMING.enter/FEEDING.enter in order to // find any units that are already in range. }, "Timer": function(msg) { this.SetNextState("FEEDING"); }, "MovementUpdate": function() { this.MoveRandomly(+this.template.RoamDistance); }, }, "FEEDING": { "enter": function() { // Stop and eat for a while this.SelectAnimation("feeding"); this.StopMoving(); this.StartTimer(randIntInclusive(+this.template.FeedTimeMin, +this.template.FeedTimeMax)); return false; }, "leave": function() { this.ResetAnimation(); this.StopTimer(); }, "LosRangeUpdate": function(msg) { if (msg && msg.data && msg.data.added && msg.data.added.length) this.RespondToSightedEntities(msg.data.added); }, "LosAttackRangeUpdate": function(msg) { if (this.template.NaturalBehaviour == "violent" && msg && msg.data && msg.data.added && msg.data.added.length) this.AttackVisibleEntity(msg.data.added); }, "Timer": function(msg) { this.SetNextState("ROAMING"); }, }, "FLEEING": "INDIVIDUAL.FLEEING", // reuse the same fleeing behaviour for animals "COMBAT": "INDIVIDUAL.COMBAT", // reuse the same combat behaviour for animals "WALKING": "INDIVIDUAL.WALKING", // reuse the same walking behaviour for animals // only used for domestic animals "CHEERING": { "enter": function() { this.SelectAnimation("promotion"); this.StartTimer(2800); return false; }, "leave": function() { this.StopTimer(); this.ResetAnimation(); }, "LosRangeUpdate": function(msg) { if (msg && msg.data && msg.data.added && msg.data.added.length) this.RespondToSightedEntities(msg.data.added); }, "LosAttackRangeUpdate": function(msg) { if (this.template.NaturalBehaviour == "violent" && msg && msg.data && msg.data.added && msg.data.added.length) this.AttackVisibleEntity(msg.data.added); }, "Timer": function(msg) { this.FinishOrder(); }, }, // Reuse the same garrison behaviour for animals. "GARRISON": "INDIVIDUAL.GARRISON", }, }; UnitAI.prototype.Init = function() { this.orderQueue = []; // current order is at the front of the list this.order = undefined; // always == this.orderQueue[0] this.formationController = INVALID_ENTITY; // entity with IID_Formation that we belong to this.isGarrisoned = false; this.isIdle = false; this.isImmobile = false; // True if the unit is currently unable to move (garrisoned,...) this.heldPosition = undefined; // Queue of remembered works this.workOrders = []; this.isGuardOf = undefined; // For preventing increased action rate due to Stop orders or target death. this.lastAttacked = undefined; this.lastHealed = undefined; this.formationAnimationVariant = undefined; this.SetStance(this.template.DefaultStance); }; UnitAI.prototype.IsTurret = function() { let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); return cmpPosition && cmpPosition.GetTurretParent() != INVALID_ENTITY; }; UnitAI.prototype.IsFormationController = function() { return (this.template.FormationController == "true"); }; UnitAI.prototype.IsFormationMember = function() { return (this.formationController != INVALID_ENTITY); }; UnitAI.prototype.IsAnimal = function() { return (this.template.NaturalBehaviour ? true : false); }; UnitAI.prototype.IsDangerousAnimal = function() { return (this.IsAnimal() && (this.template.NaturalBehaviour == "violent" || this.template.NaturalBehaviour == "aggressive")); }; UnitAI.prototype.IsDomestic = function() { var cmpIdentity = Engine.QueryInterface(this.entity, IID_Identity); return cmpIdentity && cmpIdentity.HasClass("Domestic"); }; UnitAI.prototype.IsHealer = function() { return Engine.QueryInterface(this.entity, IID_Heal); }; UnitAI.prototype.IsIdle = function() { return this.isIdle; }; UnitAI.prototype.IsGarrisoned = function() { return this.isGarrisoned; }; UnitAI.prototype.SetGarrisoned = function() { this.isGarrisoned = true; }; UnitAI.prototype.GetGarrisonHolder = function() { if (this.IsGarrisoned()) { for (let order of this.orderQueue) if (order.type == "Garrison") return order.data.target; } return INVALID_ENTITY; }; UnitAI.prototype.ShouldRespondToEndOfAlert = function() { return !this.orderQueue.length || this.orderQueue[0].type == "Garrison"; }; UnitAI.prototype.SetImmobile = function(immobile) { this.isImmobile = immobile; Engine.PostMessage(this.entity, MT_UnitAbleToMoveChanged, { "entity": this.entity, "ableToMove": this.AbleToMove() }); }; /** * @param cmpUnitMotion - optionally pass unitMotion to avoid querying it here * @returns true if the entity can move, i.e. has UnitMotion and isn't immobile. */ UnitAI.prototype.AbleToMove = function(cmpUnitMotion) { if (this.isImmobile || this.IsTurret()) return false; if (!cmpUnitMotion) cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return !!cmpUnitMotion; }; UnitAI.prototype.IsFleeing = function() { var state = this.GetCurrentState().split(".").pop(); return (state == "FLEEING"); }; UnitAI.prototype.IsWalking = function() { var state = this.GetCurrentState().split(".").pop(); return (state == "WALKING"); }; /** * Return true if the current order is WalkAndFight or Patrol. */ UnitAI.prototype.IsWalkingAndFighting = function() { if (this.IsFormationMember()) return false; return this.orderQueue.length > 0 && (this.orderQueue[0].type == "WalkAndFight" || this.orderQueue[0].type == "Patrol"); }; UnitAI.prototype.OnCreate = function() { if (this.IsAnimal()) this.UnitFsm.Init(this, "ANIMAL.FEEDING"); else if (this.IsFormationController()) this.UnitFsm.Init(this, "FORMATIONCONTROLLER.IDLE"); else this.UnitFsm.Init(this, "INDIVIDUAL.IDLE"); this.isIdle = true; }; UnitAI.prototype.OnDiplomacyChanged = function(msg) { let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (cmpOwnership && cmpOwnership.GetOwner() == msg.player) this.SetupRangeQueries(); if (this.isGuardOf && !IsOwnedByMutualAllyOfEntity(this.entity, this.isGuardOf)) this.RemoveGuard(); }; UnitAI.prototype.OnOwnershipChanged = function(msg) { this.SetupRangeQueries(); if (this.isGuardOf && (msg.to == INVALID_PLAYER || !IsOwnedByMutualAllyOfEntity(this.entity, this.isGuardOf))) this.RemoveGuard(); // If the unit isn't being created or dying, reset stance and clear orders if (msg.to != INVALID_PLAYER && msg.from != INVALID_PLAYER) { // Switch to a virgin state to let states execute their leave handlers. // Except if garrisoned or (un)packing, in which case we only clear the order queue. if (this.isGarrisoned || this.IsPacking()) { this.orderQueue.length = Math.min(this.orderQueue.length, 1); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); } else { let index = this.GetCurrentState().indexOf("."); if (index != -1) this.UnitFsm.SwitchToNextState(this, this.GetCurrentState().slice(0,index)); this.Stop(false); } this.workOrders = []; let cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); if (cmpTrader) cmpTrader.StopTrading(); this.SetStance(this.template.DefaultStance); if (this.IsTurret()) this.SetTurretStance(); } }; UnitAI.prototype.OnDestroy = function() { // Switch to an empty state to let states execute their leave handlers. this.UnitFsm.SwitchToNextState(this, ""); let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (this.losRangeQuery) cmpRangeManager.DestroyActiveQuery(this.losRangeQuery); if (this.losHealRangeQuery) cmpRangeManager.DestroyActiveQuery(this.losHealRangeQuery); if (this.losAttackRangeQuery) cmpRangeManager.DestroyActiveQuery(this.losAttackRangeQuery); }; UnitAI.prototype.OnVisionRangeChanged = function(msg) { // Update range queries if (this.entity == msg.entity) this.SetupRangeQueries(); }; UnitAI.prototype.HasPickupOrder = function(entity) { return this.orderQueue.some(order => order.type == "PickupUnit" && order.data.target == entity); }; UnitAI.prototype.OnPickupRequested = function(msg) { // First check if we already have such a request if (this.HasPickupOrder(msg.entity)) return; // Otherwise, insert the PickUp order after the last forced order this.PushOrderAfterForced("PickupUnit", { "target": msg.entity }); }; UnitAI.prototype.OnPickupCanceled = function(msg) { for (let i = 0; i < this.orderQueue.length; ++i) { if (this.orderQueue[i].type != "PickupUnit" || this.orderQueue[i].data.target != msg.entity) continue; if (i == 0) this.UnitFsm.ProcessMessage(this, {"type": "PickupCanceled", "data": msg}); else this.orderQueue.splice(i, 1); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); break; } }; /** * Wrapper function that sets up the LOS, healer and attack range queries. * This should be called whenever our ownership changes. */ UnitAI.prototype.SetupRangeQueries = function() { // Only skittish animals use this for now. if (this.template.NaturalBehaviour && this.template.NaturalBehaviour == "skittish") this.SetupLOSRangeQuery(); if (this.IsHealer()) this.SetupHealRangeQuery(); if (Engine.QueryInterface(this.entity, IID_Attack)) this.SetupAttackRangeQuery(); }; UnitAI.prototype.UpdateRangeQueries = function() { let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (this.losRangeQuery) this.SetupLOSRangeQuery(cmpRangeManager.IsActiveQueryEnabled(this.losRangeQuery)); if (this.losHealRangeQuery) this.SetupHealRangeQuery(cmpRangeManager.IsActiveQueryEnabled(this.losHealRangeQuery)); if (this.losAttackRangeQuery) this.SetupAttackRangeQuery(cmpRangeManager.IsActiveQueryEnabled(this.losAttackRangeQuery)); }; /** * Set up a range query for all enemy units within LOS range. * @param {boolean} enable - Optional parameter whether to enable the query. */ UnitAI.prototype.SetupLOSRangeQuery = function(enable = true) { let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (this.losRangeQuery) { cmpRangeManager.DestroyActiveQuery(this.losRangeQuery); this.losRangeQuery = undefined; } let cmpPlayer = QueryOwnerInterface(this.entity); // If we are being destructed (owner == -1), creating a range query is pointless. if (!cmpPlayer) return; let players = cmpPlayer.GetEnemies(); if (!players.length) return; let range = this.GetQueryRange(IID_Vision); this.losRangeQuery = cmpRangeManager.CreateActiveQuery(this.entity, range.min, range.max, players, IID_Identity, cmpRangeManager.GetEntityFlagMask("normal")); if (enable) cmpRangeManager.EnableActiveQuery(this.losRangeQuery); }; /** * Set up a range query for all own or ally units within LOS range * which can be healed. * @param {boolean} enable - Optional parameter whether to enable the query. */ UnitAI.prototype.SetupHealRangeQuery = function(enable = true) { let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (this.losHealRangeQuery) { cmpRangeManager.DestroyActiveQuery(this.losHealRangeQuery); this.losHealRangeQuery = undefined; } let cmpPlayer = QueryOwnerInterface(this.entity); // If we are being destructed (owner == -1), creating a range query is pointless. if (!cmpPlayer) return; let players = cmpPlayer.GetAllies(); let range = this.GetQueryRange(IID_Heal); this.losHealRangeQuery = cmpRangeManager.CreateActiveQuery(this.entity, range.min, range.max, players, IID_Health, cmpRangeManager.GetEntityFlagMask("injured")); if (enable) cmpRangeManager.EnableActiveQuery(this.losHealRangeQuery); }; /** * Set up a range query for all enemy and gaia units within range * which can be attacked. * @param {boolean} enable - Optional parameter whether to enable the query. */ UnitAI.prototype.SetupAttackRangeQuery = function(enable = true) { let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (this.losAttackRangeQuery) { cmpRangeManager.DestroyActiveQuery(this.losAttackRangeQuery); this.losAttackRangeQuery = undefined; } let cmpPlayer = QueryOwnerInterface(this.entity); // If we are being destructed (owner == -1), creating a range query is pointless. if (!cmpPlayer) return; // TODO: How to handle neutral players - Special query to attack military only? let players = cmpPlayer.GetEnemies(); if (!players.length) return; let range = this.GetQueryRange(IID_Attack); this.losAttackRangeQuery = cmpRangeManager.CreateActiveQuery(this.entity, range.min, range.max, players, IID_Resistance, cmpRangeManager.GetEntityFlagMask("normal")); if (enable) cmpRangeManager.EnableActiveQuery(this.losAttackRangeQuery); }; //// FSM linkage functions //// // Setting the next state to the current state will leave/re-enter the top-most substate. UnitAI.prototype.SetNextState = function(state) { this.UnitFsm.SetNextState(this, state); }; UnitAI.prototype.DeferMessage = function(msg) { this.UnitFsm.DeferMessage(this, msg); }; UnitAI.prototype.GetCurrentState = function() { return this.UnitFsm.GetCurrentState(this); }; UnitAI.prototype.FsmStateNameChanged = function(state) { Engine.PostMessage(this.entity, MT_UnitAIStateChanged, { "to": state }); }; /** * Call when the current order has been completed (or failed). * Removes the current order from the queue, and processes the * next one (if any). Returns false and defaults to IDLE * if there are no remaining orders or if the unit is not * inWorld and not garrisoned (thus usually waiting to be destroyed). */ UnitAI.prototype.FinishOrder = function() { if (!this.orderQueue.length) { let stack = new Error().stack.trimRight().replace(/^/mg, ' '); // indent each line let cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager); let template = cmpTemplateManager.GetCurrentTemplateName(this.entity); error("FinishOrder called for entity " + this.entity + " (" + template + ") when order queue is empty\n" + stack); } this.orderQueue.shift(); this.order = this.orderQueue[0]; let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (this.orderQueue.length && (this.IsGarrisoned() || this.IsFormationController() || cmpPosition && cmpPosition.IsInWorld())) { let ret = this.UnitFsm.ProcessMessage(this, { "type": "Order."+this.order.type, "data": this.order.data } ); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); // If the order was rejected then immediately take it off // and process the remaining queue if (ret && ret.discardOrder) return this.FinishOrder(); // Otherwise we've successfully processed a new order return true; } this.orderQueue = []; this.order = undefined; // Switch to IDLE as a default state. this.SetNextState("IDLE"); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); // Check if there are queued formation orders if (this.IsFormationMember()) { this.SetNextState("FORMATIONMEMBER.IDLE"); let cmpUnitAI = Engine.QueryInterface(this.formationController, IID_UnitAI); if (cmpUnitAI) { // Inform the formation controller that we finished this task let cmpFormation = Engine.QueryInterface(this.formationController, IID_Formation); cmpFormation.SetWaitingOnController(this.entity); // We don't want to carry out the default order // if there are still queued formation orders left if (cmpUnitAI.GetOrders().length > 1) return true; } } return false; }; /** * Add an order onto the back of the queue, * and execute it if we didn't already have an order. */ UnitAI.prototype.PushOrder = function(type, data) { var order = { "type": type, "data": data }; this.orderQueue.push(order); // If we didn't already have an order, then process this new one if (this.orderQueue.length == 1) { this.order = order; let ret = this.UnitFsm.ProcessMessage(this, { "type": "Order."+this.order.type, "data": this.order.data } ); // If the order was rejected then immediately take it off // and process the remaining queue if (ret && ret.discardOrder) this.FinishOrder(); } Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); }; /** * Add an order onto the front of the queue, * and execute it immediately. */ UnitAI.prototype.PushOrderFront = function(type, data, ignorePacking = false) { var order = { "type": type, "data": data }; // If current order is packing/unpacking then add new order after it. if (!ignorePacking && this.order && this.IsPacking()) { var packingOrder = this.orderQueue.shift(); this.orderQueue.unshift(packingOrder, order); } else { this.orderQueue.unshift(order); this.order = order; let ret = this.UnitFsm.ProcessMessage(this, { "type": "Order."+this.order.type, "data": this.order.data } ); // If the order was rejected then immediately take it off again; // assume the previous active order is still valid (the short-lived // new order hasn't changed state or anything) so we can carry on // as if nothing had happened if (ret && ret.discardOrder) { this.orderQueue.shift(); this.order = this.orderQueue[0]; } } Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); }; /** * Insert an order after the last forced order onto the queue * and after the other orders of the same type */ UnitAI.prototype.PushOrderAfterForced = function(type, data) { if (!this.order || ((!this.order.data || !this.order.data.force) && this.order.type != type)) this.PushOrderFront(type, data); else { for (let i = 1; i < this.orderQueue.length; ++i) { if (this.orderQueue[i].data && this.orderQueue[i].data.force) continue; if (this.orderQueue[i].type == type) continue; this.orderQueue.splice(i, 0, {"type": type, "data": data}); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); return; } this.PushOrder(type, data); } Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); }; /** * For a unit that is packing and trying to attack something, * either cancel packing or continue with packing, as appropriate. * Precondition: if the unit is packing/unpacking, then orderQueue * should have the Attack order at index 0, * and the Pack/Unpack order at index 1. * This precondition holds because if we are packing while processing "Order.Attack", * then we must have come from ReplaceOrder, which guarantees it. * * @param {boolean} requirePacked - true if the unit needs to be packed to continue attacking, * false if it needs to be unpacked. * @return {boolean} true if the unit can attack now, false if it must continue packing (or unpacking) first. */ UnitAI.prototype.EnsureCorrectPackStateForAttack = function(requirePacked) { let cmpPack = Engine.QueryInterface(this.entity, IID_Pack); if (!cmpPack || !cmpPack.IsPacking() || this.orderQueue.length != 2 || this.orderQueue[0].type != "Attack" || this.orderQueue[1].type != "Pack" && this.orderQueue[1].type != "Unpack") return true; if (cmpPack.IsPacked() == requirePacked) { // The unit is already in the packed/unpacked state we want. // Delete the packing order. this.orderQueue.splice(1, 1); cmpPack.CancelPack(); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); // Continue with the attack order. return true; } // Move the attack order behind the unpacking order, to continue unpacking. let tmp = this.orderQueue[0]; this.orderQueue[0] = this.orderQueue[1]; this.orderQueue[1] = tmp; Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); return false; }; UnitAI.prototype.WillMoveFromFoundation = function(target, checkPacking = true) { // If foundation is not ally of entity, or if entity is unpacked siege, // ignore the order. if (!IsOwnedByAllyOfEntity(this.entity, target) && !Engine.QueryInterface(SYSTEM_ENTITY, IID_CeasefireManager).IsCeasefireActive() || checkPacking && this.IsPacking() || this.CanPack() || !this.AbleToMove()) return false; // Move a tile outside the building. return !this.CheckTargetRangeExplicit(target, g_LeaveFoundationRange, -1); }; UnitAI.prototype.ReplaceOrder = function(type, data) { // Remember the previous work orders to be able to go back to them later if required if (data && data.force) { if (this.IsFormationController()) this.CallMemberFunction("UpdateWorkOrders", [type]); else this.UpdateWorkOrders(type); } let garrisonHolder = this.IsGarrisoned() && type != "Ungarrison" ? this.GetGarrisonHolder() : null; // Do not replace packing/unpacking unless it is cancel order. // TODO: maybe a better way of doing this would be to use priority levels if (this.IsPacking() && type != "CancelPack" && type != "CancelUnpack") { var order = { "type": type, "data": data }; var packingOrder = this.orderQueue.shift(); if (type == "Attack") { // The Attack order is able to handle a packing unit, while other orders can't. this.orderQueue = [packingOrder]; this.PushOrderFront(type, data, true); } else if (packingOrder.type == "Unpack" && g_OrdersCancelUnpacking.has(type)) { // Immediately cancel unpacking before processing an order that demands a packed unit. let cmpPack = Engine.QueryInterface(this.entity, IID_Pack); cmpPack.CancelPack(); this.orderQueue = []; this.PushOrder(type, data); } else this.orderQueue = [packingOrder, order]; } else { this.orderQueue = []; this.PushOrder(type, data); } if (garrisonHolder) this.PushOrder("Garrison", { "target": garrisonHolder }); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); }; UnitAI.prototype.GetOrders = function() { return this.orderQueue.slice(); }; UnitAI.prototype.AddOrders = function(orders) { orders.forEach(order => this.PushOrder(order.type, order.data)); }; UnitAI.prototype.GetOrderData = function() { var orders = []; for (let order of this.orderQueue) if (order.data) orders.push(clone(order.data)); return orders; }; UnitAI.prototype.UpdateWorkOrders = function(type) { var isWorkType = type => type == "Gather" || type == "Trade" || type == "Repair" || type == "ReturnResource"; // If we are being re-affected to a work order, forget the previous ones if (isWorkType(type)) { this.workOrders = []; return; } // Then if we already have work orders, keep them if (this.workOrders.length) return; // First if the unit is in a formation, get its workOrders from it if (this.IsFormationMember()) { var cmpUnitAI = Engine.QueryInterface(this.formationController, IID_UnitAI); if (cmpUnitAI) { for (var i = 0; i < cmpUnitAI.orderQueue.length; ++i) { if (isWorkType(cmpUnitAI.orderQueue[i].type)) { this.workOrders = cmpUnitAI.orderQueue.slice(i); return; } } } } // If nothing found, take the unit orders for (var i = 0; i < this.orderQueue.length; ++i) { if (isWorkType(this.orderQueue[i].type)) { this.workOrders = this.orderQueue.slice(i); return; } } }; UnitAI.prototype.BackToWork = function() { if (this.workOrders.length == 0) return false; if (this.IsGarrisoned()) { let cmpGarrisonHolder = Engine.QueryInterface(this.GetGarrisonHolder(), IID_GarrisonHolder); if (!cmpGarrisonHolder || !cmpGarrisonHolder.PerformEject([this.entity], false)) return false; } // Clear the order queue considering special orders not to avoid this.orderQueue = []; this.AddOrders(this.workOrders); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); // And if the unit is in a formation, remove it from the formation if (this.IsFormationMember()) { var cmpFormation = Engine.QueryInterface(this.formationController, IID_Formation); if (cmpFormation) cmpFormation.RemoveMembers([this.entity]); } this.workOrders = []; return true; }; UnitAI.prototype.HasWorkOrders = function() { return this.workOrders.length > 0; }; UnitAI.prototype.GetWorkOrders = function() { return this.workOrders; }; UnitAI.prototype.SetWorkOrders = function(orders) { this.workOrders = orders; }; UnitAI.prototype.TimerHandler = function(data, lateness) { // Reset the timer if (data.timerRepeat === undefined) this.timer = undefined; this.UnitFsm.ProcessMessage(this, {"type": "Timer", "data": data, "lateness": lateness}); }; /** * Set up the UnitAI timer to run after 'offset' msecs, and then * every 'repeat' msecs until StopTimer is called. A "Timer" message * will be sent each time the timer runs. */ UnitAI.prototype.StartTimer = function(offset, repeat) { if (this.timer) error("Called StartTimer when there's already an active timer"); var data = { "timerRepeat": repeat }; var cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer); if (repeat === undefined) this.timer = cmpTimer.SetTimeout(this.entity, IID_UnitAI, "TimerHandler", offset, data); else this.timer = cmpTimer.SetInterval(this.entity, IID_UnitAI, "TimerHandler", offset, repeat, data); }; /** * Stop the current UnitAI timer. */ UnitAI.prototype.StopTimer = function() { if (!this.timer) return; var cmpTimer = Engine.QueryInterface(SYSTEM_ENTITY, IID_Timer); cmpTimer.CancelTimer(this.timer); this.timer = undefined; }; UnitAI.prototype.OnMotionUpdate = function(msg) { this.UnitFsm.ProcessMessage(this, Object.assign({ "type": "MovementUpdate" }, msg)); }; /** * Called directly by cmpFoundation and cmpRepairable to * inform builders that repairing has finished. * This not done by listening to a global message due to performance. */ UnitAI.prototype.ConstructionFinished = function(msg) { this.UnitFsm.ProcessMessage(this, { "type": "ConstructionFinished", "data": msg }); }; UnitAI.prototype.OnGlobalEntityRenamed = function(msg) { let changed = false; let currentOrderChanged = false; for (let i = 0; i < this.orderQueue.length; ++i) { let order = this.orderQueue[i]; if (order.data && order.data.target && order.data.target == msg.entity) { changed = true; if (i == 0) currentOrderChanged = true; order.data.target = msg.newentity; } if (order.data && order.data.formationTarget && order.data.formationTarget == msg.entity) { changed = true; if (i == 0) currentOrderChanged = true; order.data.formationTarget = msg.newentity; } } if (!changed) return; if (currentOrderChanged) this.UnitFsm.ProcessMessage(this, { "type": "OrderTargetRenamed", "data": msg }); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); }; UnitAI.prototype.OnAttacked = function(msg) { if (msg.fromStatusEffect) return; this.UnitFsm.ProcessMessage(this, {"type": "Attacked", "data": msg}); }; UnitAI.prototype.OnGuardedAttacked = function(msg) { this.UnitFsm.ProcessMessage(this, {"type": "GuardedAttacked", "data": msg.data}); }; UnitAI.prototype.OnHealthChanged = function(msg) { this.UnitFsm.ProcessMessage(this, {"type": "HealthChanged", "from": msg.from, "to": msg.to}); }; UnitAI.prototype.OnRangeUpdate = function(msg) { if (msg.tag == this.losRangeQuery) this.UnitFsm.ProcessMessage(this, { "type": "LosRangeUpdate", "data": msg }); else if (msg.tag == this.losHealRangeQuery) this.UnitFsm.ProcessMessage(this, { "type": "LosHealRangeUpdate", "data": msg }); else if (msg.tag == this.losAttackRangeQuery) this.UnitFsm.ProcessMessage(this, { "type": "LosAttackRangeUpdate", "data": msg }); }; UnitAI.prototype.OnPackFinished = function(msg) { this.UnitFsm.ProcessMessage(this, {"type": "PackFinished", "packed": msg.packed}); }; //// Helper functions to be called by the FSM //// UnitAI.prototype.GetWalkSpeed = function() { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (!cmpUnitMotion) return 0; return cmpUnitMotion.GetWalkSpeed(); }; UnitAI.prototype.GetRunMultiplier = function() { var cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (!cmpUnitMotion) return 0; return cmpUnitMotion.GetRunMultiplier(); }; /** * Returns true if the target exists and has non-zero hitpoints. */ UnitAI.prototype.TargetIsAlive = function(ent) { var cmpFormation = Engine.QueryInterface(ent, IID_Formation); if (cmpFormation) return true; var cmpHealth = QueryMiragedInterface(ent, IID_Health); return cmpHealth && cmpHealth.GetHitpoints() != 0; }; /** * Returns true if the target exists and needs to be killed before * beginning to gather resources from it. */ UnitAI.prototype.MustKillGatherTarget = function(ent) { var cmpResourceSupply = Engine.QueryInterface(ent, IID_ResourceSupply); if (!cmpResourceSupply) return false; if (!cmpResourceSupply.GetKillBeforeGather()) return false; return this.TargetIsAlive(ent); }; /** * Returns the position of target or, if there is none, * the entity's position, or undefined. */ UnitAI.prototype.TargetPosOrEntPos = function(target) { let cmpTargetPosition = Engine.QueryInterface(target, IID_Position); if (cmpTargetPosition && cmpTargetPosition.IsInWorld()) return cmpTargetPosition.GetPosition2D(); let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (cmpPosition && cmpPosition.IsInWorld()) return cmpPosition.GetPosition2D(); return undefined; }; /** * Returns the entity ID of the nearest resource supply where the given * filter returns true, or undefined if none can be found. * "Nearest" is nearest from @param position. * TODO: extend this to exclude resources that already have lots of gatherers. */ UnitAI.prototype.FindNearbyResource = function(position, filter) { if (!position) return undefined; - let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); - if (!cmpOwnership || cmpOwnership.GetOwner() == INVALID_PLAYER) - return undefined; - let owner = cmpOwnership.GetOwner(); - // We accept resources owned by Gaia or any player let players = Engine.QueryInterface(SYSTEM_ENTITY, IID_PlayerManager).GetAllPlayers(); let range = 64; // TODO: what's a sensible number? let cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager); let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); let nearby = cmpRangeManager.ExecuteQueryAroundPos(position, 0, range, players, IID_ResourceSupply); return nearby.find(ent => { if (!this.CanGather(ent) || !this.CheckTargetVisible(ent)) return false; let cmpResourceSupply = Engine.QueryInterface(ent, IID_ResourceSupply); let type = cmpResourceSupply.GetType(); let amount = cmpResourceSupply.GetCurrentAmount(); let template = cmpTemplateManager.GetCurrentTemplateName(ent); // Remove "resource|" prefix from template names, if present. if (template.indexOf("resource|") != -1) template = template.slice(9); - return amount > 0 && cmpResourceSupply.IsAvailable(owner, this.entity) && filter(ent, type, template); + return amount > 0 && cmpResourceSupply.IsAvailableTo(this.entity) && filter(ent, type, template); }); }; /** * Returns the entity ID of the nearest resource dropsite that accepts * the given type, or undefined if none can be found. */ UnitAI.prototype.FindNearestDropsite = function(genericType) { let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (!cmpOwnership || cmpOwnership.GetOwner() == INVALID_PLAYER) return undefined; let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return undefined; let pos = cmpPosition.GetPosition2D(); let bestDropsite; let bestDist = Infinity; // Maximum distance a point on an obstruction can be from the center of the obstruction. let maxDifference = 40; // Find dropsites owned by this unit's player or allied ones if allowed. let owner = cmpOwnership.GetOwner(); let cmpPlayer = QueryOwnerInterface(this.entity); let players = cmpPlayer && cmpPlayer.HasSharedDropsites() ? cmpPlayer.GetMutualAllies() : [owner]; let nearestDropsites = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager).ExecuteQuery(this.entity, 0, -1, players, IID_ResourceDropsite); let isShip = Engine.QueryInterface(this.entity, IID_Identity).HasClass("Ship"); let cmpObstructionManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ObstructionManager); for (let dropsite of nearestDropsites) { // Ships are unable to reach land dropsites and shouldn't attempt to do so. if (isShip && !Engine.QueryInterface(dropsite, IID_Identity).HasClass("Naval")) continue; let cmpResourceDropsite = Engine.QueryInterface(dropsite, IID_ResourceDropsite); if (!cmpResourceDropsite.AcceptsType(genericType) || !this.CheckTargetVisible(dropsite)) continue; if (Engine.QueryInterface(dropsite, IID_Ownership).GetOwner() != owner && !cmpResourceDropsite.IsShared()) continue; // The range manager sorts entities by the distance to their center, // but we want the distance to the point where resources will be dropped off. let dist = cmpObstructionManager.DistanceToPoint(dropsite, pos.x, pos.y); if (dist == -1) continue; if (dist < bestDist) { bestDropsite = dropsite; bestDist = dist; } else if (dist > bestDist + maxDifference) break; } return bestDropsite; }; /** * Returns the entity ID of the nearest building that needs to be constructed. * "Nearest" is nearest from @param position. */ UnitAI.prototype.FindNearbyFoundation = function(position) { if (!position) return undefined; let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (!cmpOwnership || cmpOwnership.GetOwner() == INVALID_PLAYER) return undefined; // Find buildings owned by this unit's player let players = [cmpOwnership.GetOwner()]; let range = 64; // TODO: what's a sensible number? let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); let nearby = cmpRangeManager.ExecuteQueryAroundPos(position, 0, range, players, IID_Foundation); // Skip foundations that are already complete. (This matters since // we process the ConstructionFinished message before the foundation // we're working on has been deleted.) return nearby.find(ent => !Engine.QueryInterface(ent, IID_Foundation).IsFinished()); }; /** * Play a sound appropriate to the current entity. */ UnitAI.prototype.PlaySound = function(name) { // If we're a formation controller, use the sounds from our first member if (this.IsFormationController()) { var cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); var member = cmpFormation.GetPrimaryMember(); if (member) PlaySound(name, member); } else { // Otherwise use our own sounds PlaySound(name, this.entity); } }; /* * Set a visualActor animation variant. * By changing the animation variant, you can change animations based on unitAI state. * If there are no specific variants or the variant doesn't exist in the actor, * the actor fallbacks to any existing animation. * @param type if present, switch to a specific animation variant. */ UnitAI.prototype.SetAnimationVariant = function(type) { let cmpVisual = Engine.QueryInterface(this.entity, IID_Visual); if (!cmpVisual) return; cmpVisual.SetVariant("animationVariant", type); }; /* * Reset the animation variant to default behavior. * Default behavior is to pick a resource-carrying variant if resources are being carried. * Otherwise pick nothing in particular. */ UnitAI.prototype.SetDefaultAnimationVariant = function() { let cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); if (cmpResourceGatherer) { let type = cmpResourceGatherer.GetLastCarriedType(); if (type) { let typename = "carry_" + type.generic; // Special case for meat. if (type.specific == "meat") typename = "carry_" + type.specific; this.SetAnimationVariant(typename); return; } } this.SetAnimationVariant(""); }; UnitAI.prototype.ResetAnimation = function() { let cmpVisual = Engine.QueryInterface(this.entity, IID_Visual); if (!cmpVisual) return; cmpVisual.SelectAnimation("idle", false, 1.0); }; UnitAI.prototype.SelectAnimation = function(name, once = false, speed = 1.0) { let cmpVisual = Engine.QueryInterface(this.entity, IID_Visual); if (!cmpVisual) return; cmpVisual.SelectAnimation(name, once, speed); }; UnitAI.prototype.SetAnimationSync = function(actiontime, repeattime) { var cmpVisual = Engine.QueryInterface(this.entity, IID_Visual); if (!cmpVisual) return; cmpVisual.SetAnimationSyncRepeat(repeattime); cmpVisual.SetAnimationSyncOffset(actiontime); }; UnitAI.prototype.StopMoving = function() { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (cmpUnitMotion) cmpUnitMotion.StopMoving(); }; /** * Generic dispatcher for other MoveTo functions. * @param iid - Interface ID (optional) implementing GetRange * @param type - Range type for the interface call * @returns whether the move succeeded or failed. */ UnitAI.prototype.MoveTo = function(data, iid, type) { if (data.target) { if (data.min || data.max) return this.MoveToTargetRangeExplicit(data.target, data.min || -1, data.max || -1); else if (!iid) return this.MoveToTarget(data.target); return this.MoveToTargetRange(data.target, iid, type); } else if (data.min || data.max) return this.MoveToPointRange(data.x, data.z, data.min || -1, data.max || -1); return this.MoveToPoint(data.x, data.z); }; UnitAI.prototype.MoveToPoint = function(x, z) { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return this.AbleToMove(cmpUnitMotion) && cmpUnitMotion.MoveToPointRange(x, z, 0, 0); // For point goals, allow a max range of 0. }; UnitAI.prototype.MoveToPointRange = function(x, z, rangeMin, rangeMax) { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return this.AbleToMove(cmpUnitMotion) && cmpUnitMotion.MoveToPointRange(x, z, rangeMin, rangeMax); }; UnitAI.prototype.MoveToTarget = function(target) { if (!this.CheckTargetVisible(target)) return false; let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return this.AbleToMove(cmpUnitMotion) && cmpUnitMotion.MoveToTargetRange(target, 0, 1); }; UnitAI.prototype.MoveToTargetRange = function(target, iid, type) { if (!this.CheckTargetVisible(target)) return false; let range = this.GetRange(iid, type); if (!range) return false; let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return this.AbleToMove(cmpUnitMotion) && cmpUnitMotion.MoveToTargetRange(target, range.min, range.max); }; /** * Move unit so we hope the target is in the attack range * for melee attacks, this goes straight to the default range checks * for ranged attacks, the parabolic range is used */ UnitAI.prototype.MoveToTargetAttackRange = function(target, type) { // for formation members, the formation will take care of the range check if (this.IsFormationMember()) { let cmpFormationUnitAI = Engine.QueryInterface(this.formationController, IID_UnitAI); if (cmpFormationUnitAI && cmpFormationUnitAI.IsAttackingAsFormation()) return false; } let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (!this.AbleToMove(cmpUnitMotion)) return false; let cmpFormation = Engine.QueryInterface(target, IID_Formation); if (cmpFormation) target = cmpFormation.GetClosestMember(this.entity); if (type != "Ranged") return this.MoveToTargetRange(target, IID_Attack, type); if (!this.CheckTargetVisible(target)) return false; let range = this.GetRange(IID_Attack, type); if (!range) return false; let thisCmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!thisCmpPosition.IsInWorld()) return false; let s = thisCmpPosition.GetPosition(); let targetCmpPosition = Engine.QueryInterface(target, IID_Position); if (!targetCmpPosition.IsInWorld()) return false; let t = targetCmpPosition.GetPosition(); // h is positive when I'm higher than the target let h = s.y - t.y + range.elevationBonus; let parabolicMaxRange = Math.sqrt(Math.square(range.max) + 2 * range.max * h); // No negative roots please if (h <= -range.max / 2) // return false? Or hope you come close enough? parabolicMaxRange = 0; // The parabole changes while walking so be cautious: let guessedMaxRange = parabolicMaxRange > range.max ? (range.max + parabolicMaxRange) / 2 : parabolicMaxRange; return cmpUnitMotion && cmpUnitMotion.MoveToTargetRange(target, range.min, guessedMaxRange); }; UnitAI.prototype.MoveToTargetRangeExplicit = function(target, min, max) { if (!this.CheckTargetVisible(target)) return false; let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return this.AbleToMove(cmpUnitMotion) && cmpUnitMotion.MoveToTargetRange(target, min, max); }; /** * Move unit so we hope the target is in the attack range of the formation. * * @param {number} target - The target entity ID to attack. * @return {boolean} - Whether the order to move has succeeded. */ UnitAI.prototype.MoveFormationToTargetAttackRange = function(target) { let cmpTargetFormation = Engine.QueryInterface(target, IID_Formation); if (cmpTargetFormation) target = cmpTargetFormation.GetClosestMember(this.entity); if (!this.CheckTargetVisible(target)) return false; let cmpFormationAttack = Engine.QueryInterface(this.entity, IID_Attack); if (!cmpFormationAttack) return false; let range = cmpFormationAttack.GetRange(target); let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return this.AbleToMove(cmpUnitMotion) && cmpUnitMotion.MoveToTargetRange(target, range.min, range.max); }; UnitAI.prototype.MoveToGarrisonRange = function(target) { if (!this.CheckTargetVisible(target)) return false; var cmpGarrisonHolder = Engine.QueryInterface(target, IID_GarrisonHolder); if (!cmpGarrisonHolder) return false; var range = cmpGarrisonHolder.GetLoadingRange(); let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return this.AbleToMove(cmpUnitMotion) && cmpUnitMotion.MoveToTargetRange(target, range.min, range.max); }; /** * Generic dispatcher for other Check...Range functions. * @param iid - Interface ID (optional) implementing GetRange * @param type - Range type for the interface call */ UnitAI.prototype.CheckRange = function(data, iid, type) { if (data.target) { if (data.min || data.max) return this.CheckTargetRangeExplicit(data.target, data.min || -1, data.max || -1); else if (!iid) return this.CheckTargetRangeExplicit(data.target, 0, 1); return this.CheckTargetRange(data.target, iid, type); } else if (data.min || data.max) return this.CheckPointRangeExplicit(data.x, data.z, data.min || -1, data.max || -1); return this.CheckPointRangeExplicit(data.x, data.z, 0, 0); }; UnitAI.prototype.CheckPointRangeExplicit = function(x, z, min, max) { let cmpObstructionManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ObstructionManager); return cmpObstructionManager.IsInPointRange(this.entity, x, z, min, max, false); }; UnitAI.prototype.CheckTargetRange = function(target, iid, type) { let range = this.GetRange(iid, type); if (!range) return false; let cmpObstructionManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ObstructionManager); return cmpObstructionManager.IsInTargetRange(this.entity, target, range.min, range.max, false); }; /** * Check if the target is inside the attack range * For melee attacks, this goes straigt to the regular range calculation * For ranged attacks, the parabolic formula is used to accout for bigger ranges * when the target is lower, and smaller ranges when the target is higher */ UnitAI.prototype.CheckTargetAttackRange = function(target, type) { // for formation members, the formation will take care of the range check if (this.IsFormationMember()) { let cmpFormationUnitAI = Engine.QueryInterface(this.formationController, IID_UnitAI); if (cmpFormationUnitAI && cmpFormationUnitAI.IsAttackingAsFormation() && cmpFormationUnitAI.order.data.target == target) return true; } let cmpFormation = Engine.QueryInterface(target, IID_Formation); if (cmpFormation) target = cmpFormation.GetClosestMember(this.entity); if (type != "Ranged") return this.CheckTargetRange(target, IID_Attack, type); let targetCmpPosition = Engine.QueryInterface(target, IID_Position); if (!targetCmpPosition || !targetCmpPosition.IsInWorld()) return false; let range = this.GetRange(IID_Attack, type); if (!range) return false; let thisCmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!thisCmpPosition.IsInWorld()) return false; let s = thisCmpPosition.GetPosition(); let t = targetCmpPosition.GetPosition(); let h = s.y - t.y + range.elevationBonus; let maxRange = Math.sqrt(Math.square(range.max) + 2 * range.max * h); if (maxRange < 0) return false; let cmpObstructionManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ObstructionManager); return cmpObstructionManager.IsInTargetRange(this.entity, target, range.min, maxRange, false); }; UnitAI.prototype.CheckTargetRangeExplicit = function(target, min, max) { let cmpObstructionManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ObstructionManager); return cmpObstructionManager.IsInTargetRange(this.entity, target, min, max, false); }; /** * Check if the target is inside the attack range of the formation. * * @param {number} target - The target entity ID to attack. * @return {boolean} - Whether the entity is within attacking distance. */ UnitAI.prototype.CheckFormationTargetAttackRange = function(target) { let cmpTargetFormation = Engine.QueryInterface(target, IID_Formation); if (cmpTargetFormation) target = cmpTargetFormation.GetClosestMember(this.entity); let cmpFormationAttack = Engine.QueryInterface(this.entity, IID_Attack); if (!cmpFormationAttack) return false; let range = cmpFormationAttack.GetRange(target); let cmpObstructionManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_ObstructionManager); return cmpObstructionManager.IsInTargetRange(this.entity, target, range.min, range.max, false); }; UnitAI.prototype.CheckGarrisonRange = function(target) { let cmpGarrisonHolder = Engine.QueryInterface(target, IID_GarrisonHolder); if (!cmpGarrisonHolder) return false; let range = cmpGarrisonHolder.GetLoadingRange(); return this.CheckTargetRangeExplicit(target, range.min, range.max); }; /** * Returns true if the target entity is visible through the FoW/SoD. */ UnitAI.prototype.CheckTargetVisible = function(target) { var cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (!cmpOwnership) return false; var cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (!cmpRangeManager) return false; // Entities that are hidden and miraged are considered visible var cmpFogging = Engine.QueryInterface(target, IID_Fogging); if (cmpFogging && cmpFogging.IsMiraged(cmpOwnership.GetOwner())) return true; if (cmpRangeManager.GetLosVisibility(target, cmpOwnership.GetOwner()) == "hidden") return false; // Either visible directly, or visible in fog return true; }; /** * Returns true if the given position is currentl visible (not in FoW/SoD). */ UnitAI.prototype.CheckPositionVisible = function(x, z) { let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (!cmpOwnership) return false; let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); if (!cmpRangeManager) return false; return cmpRangeManager.GetLosVisibilityPosition(x, z, cmpOwnership.GetOwner()) == "visible"; }; /** * How close to our goal do we consider it's OK to stop if the goal appears unreachable. * Currently 3 terrain tiles as that's relatively close but helps pathfinding. */ UnitAI.prototype.DefaultRelaxedMaxRange = 12; /** * @returns true if the unit is in the relaxed-range from the target. */ UnitAI.prototype.RelaxedMaxRangeCheck = function(data, relaxedRange) { if (!data.relaxed) return false; let ndata = data; ndata.min = 0; ndata.max = relaxedRange; return this.CheckRange(ndata); }; /** * Let an entity face its target. * @param {number} target - The entity-ID of the target. */ UnitAI.prototype.FaceTowardsTarget = function(target) { let cmpTargetPosition = Engine.QueryInterface(target, IID_Position); if (!cmpTargetPosition || !cmpTargetPosition.IsInWorld()) return; let targetPosition = cmpTargetPosition.GetPosition2D(); // Use cmpUnitMotion for units that support that, otherwise try cmpPosition (e.g. turrets) let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (cmpUnitMotion) { cmpUnitMotion.FaceTowardsPoint(targetPosition.x, targetPosition.y); return; } let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (cmpPosition && cmpPosition.IsInWorld()) cmpPosition.TurnTo(cmpPosition.GetPosition2D().angleTo(targetPosition)); }; UnitAI.prototype.CheckTargetDistanceFromHeldPosition = function(target, iid, type) { let range = this.GetRange(iid, type); if (!range) return false; let cmpPosition = Engine.QueryInterface(target, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return false; let cmpVision = Engine.QueryInterface(this.entity, IID_Vision); if (!cmpVision) return false; let halfvision = cmpVision.GetRange() / 2; let pos = cmpPosition.GetPosition(); let heldPosition = this.heldPosition; if (heldPosition === undefined) heldPosition = { "x": pos.x, "z": pos.z }; return Math.euclidDistance2D(pos.x, pos.z, heldPosition.x, heldPosition.z) < halfvision + range.max; }; UnitAI.prototype.CheckTargetIsInVisionRange = function(target) { let cmpVision = Engine.QueryInterface(this.entity, IID_Vision); if (!cmpVision) return false; let range = cmpVision.GetRange(); let distance = DistanceBetweenEntities(this.entity, target); return distance < range; }; UnitAI.prototype.GetBestAttackAgainst = function(target, allowCapture) { var cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); if (!cmpAttack) return undefined; return cmpAttack.GetBestAttackAgainst(target, allowCapture); }; /** * Try to find one of the given entities which can be attacked, * and start attacking it. * Returns true if it found something to attack. */ UnitAI.prototype.AttackVisibleEntity = function(ents) { var target = ents.find(target => this.CanAttack(target)); if (!target) return false; this.PushOrderFront("Attack", { "target": target, "force": false, "allowCapture": true }); return true; }; /** * Try to find one of the given entities which can be attacked * and which is close to the hold position, and start attacking it. * Returns true if it found something to attack. */ UnitAI.prototype.AttackEntityInZone = function(ents) { var target = ents.find(target => this.CanAttack(target) && this.CheckTargetDistanceFromHeldPosition(target, IID_Attack, this.GetBestAttackAgainst(target, true)) && (this.GetStance().respondChaseBeyondVision || this.CheckTargetIsInVisionRange(target)) ); if (!target) return false; this.PushOrderFront("Attack", { "target": target, "force": false, "allowCapture": true }); return true; }; /** * Try to respond appropriately given our current stance, * given a list of entities that match our stance's target criteria. * Returns true if it responded. */ UnitAI.prototype.RespondToTargetedEntities = function(ents) { if (!ents.length) return false; if (this.GetStance().respondChase) return this.AttackVisibleEntity(ents); if (this.GetStance().respondStandGround) return this.AttackVisibleEntity(ents); if (this.GetStance().respondHoldGround) return this.AttackEntityInZone(ents); if (this.GetStance().respondFlee) { if (this.order && this.order.type == "Flee") this.orderQueue.shift(); this.PushOrderFront("Flee", { "target": ents[0], "force": false }); return true; } return false; }; /** * @param {number} ents - An array of the IDs of the spotted entities. * @return {boolean} - Whether we responded. */ UnitAI.prototype.RespondToSightedEntities = function(ents) { if (!ents || !ents.length) return false; if (this.template.NaturalBehaviour && this.template.NaturalBehaviour == "skittish") { this.Flee(ents[0], false); return true; } return false; }; /** * Try to respond to healable entities. * Returns true if it responded. */ UnitAI.prototype.RespondToHealableEntities = function(ents) { let ent = ents.find(ent => this.CanHeal(ent)); if (!ent) return false; this.PushOrderFront("Heal", { "target": ent, "force": false }); return true; }; /** * Returns true if we should stop following the target entity. */ UnitAI.prototype.ShouldAbandonChase = function(target, force, iid, type) { if (!this.CheckTargetVisible(target)) return true; // Forced orders shouldn't be interrupted. if (force) return false; // If we are guarding/escorting, don't abandon as long as the guarded unit is in target range of the attacker if (this.isGuardOf) { let cmpUnitAI = Engine.QueryInterface(target, IID_UnitAI); let cmpAttack = Engine.QueryInterface(target, IID_Attack); if (cmpUnitAI && cmpAttack && cmpAttack.GetAttackTypes().some(type => cmpUnitAI.CheckTargetAttackRange(this.isGuardOf, type))) return false; } // Stop if we're in hold-ground mode and it's too far from the holding point if (this.GetStance().respondHoldGround) if (!this.CheckTargetDistanceFromHeldPosition(target, iid, type)) return true; // Stop if it's left our vision range, unless we're especially persistent. if (!this.GetStance().respondChaseBeyondVision) if (!this.CheckTargetIsInVisionRange(target)) return true; return false; }; /* * Returns whether we should chase the targeted entity, * given our current stance. */ UnitAI.prototype.ShouldChaseTargetedEntity = function(target, force) { if (!this.AbleToMove()) return false; if (this.GetStance().respondChase) return true; // If we are guarding/escorting, chase at least as long as the guarded unit is in target range of the attacker if (this.isGuardOf) { let cmpUnitAI = Engine.QueryInterface(target, IID_UnitAI); let cmpAttack = Engine.QueryInterface(target, IID_Attack); if (cmpUnitAI && cmpAttack && cmpAttack.GetAttackTypes().some(type => cmpUnitAI.CheckTargetAttackRange(this.isGuardOf, type))) return true; } return force; }; //// External interface functions //// UnitAI.prototype.SetFormationController = function(ent) { this.formationController = ent; // Set obstruction group, so we can walk through members // of our own formation (or ourself if not in formation) var cmpObstruction = Engine.QueryInterface(this.entity, IID_Obstruction); if (cmpObstruction) { if (ent == INVALID_ENTITY) cmpObstruction.SetControlGroup(this.entity); else cmpObstruction.SetControlGroup(ent); } // If we were removed from a formation, let the FSM switch back to INDIVIDUAL if (ent == INVALID_ENTITY) this.UnitFsm.ProcessMessage(this, { "type": "FormationLeave" }); }; UnitAI.prototype.GetFormationController = function() { return this.formationController; }; UnitAI.prototype.GetFormationTemplate = function() { return Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager).GetCurrentTemplateName(this.formationController) || "special/formations/null"; }; UnitAI.prototype.MoveIntoFormation = function(cmd) { var cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (!cmpFormation) return; var cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return; var pos = cmpPosition.GetPosition(); // Add new order to move into formation at the current position this.PushOrderFront("MoveIntoFormation", { "x": pos.x, "z": pos.z, "force": true }); }; UnitAI.prototype.GetTargetPositions = function() { var targetPositions = []; for (var i = 0; i < this.orderQueue.length; ++i) { var order = this.orderQueue[i]; switch (order.type) { case "Walk": case "WalkAndFight": case "WalkToPointRange": case "MoveIntoFormation": case "GatherNearPosition": case "Patrol": targetPositions.push(new Vector2D(order.data.x, order.data.z)); break; // and continue the loop case "WalkToTarget": case "WalkToTargetRange": // This doesn't move to the target (just into range), but a later order will. case "Guard": case "Flee": case "LeaveFoundation": case "Attack": case "Heal": case "Gather": case "ReturnResource": case "Repair": case "Garrison": // Find the target unit's position var cmpTargetPosition = Engine.QueryInterface(order.data.target, IID_Position); if (!cmpTargetPosition || !cmpTargetPosition.IsInWorld()) return targetPositions; targetPositions.push(cmpTargetPosition.GetPosition2D()); return targetPositions; case "Stop": return []; default: error("GetTargetPositions: Unrecognised order type '"+order.type+"'"); return []; } } return targetPositions; }; /** * Returns the estimated distance that this unit will travel before either * finishing all of its orders, or reaching a non-walk target (attack, gather, etc). * Intended for Formation to switch to column layout on long walks. */ UnitAI.prototype.ComputeWalkingDistance = function() { var distance = 0; var cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return 0; // Keep track of the position at the start of each order var pos = cmpPosition.GetPosition2D(); var targetPositions = this.GetTargetPositions(); for (var i = 0; i < targetPositions.length; ++i) { distance += pos.distanceTo(targetPositions[i]); // Remember this as the start position for the next order pos = targetPositions[i]; } // Return the total distance to the end of the order queue return distance; }; UnitAI.prototype.AddOrder = function(type, data, queued) { if (this.expectedRoute) this.expectedRoute = undefined; if (queued) this.PushOrder(type, data); else { // May happen if an order arrives on the same turn the unit is garrisoned // in that case, just forget the order as this will lead to an infinite loop if (this.IsGarrisoned() && !this.IsTurret() && type != "Ungarrison") return; this.ReplaceOrder(type, data); } }; /** * Adds guard/escort order to the queue, forced by the player. */ UnitAI.prototype.Guard = function(target, queued) { if (!this.CanGuard()) { this.WalkToTarget(target, queued); return; } if (target === this.entity) return; // if we already had an old guard order, do nothing if the target is the same // and the order is running, otherwise remove the previous order if (this.isGuardOf) { if (this.isGuardOf == target && this.order && this.order.type == "Guard") return; else this.RemoveGuard(); } this.AddOrder("Guard", { "target": target, "force": false }, queued); }; UnitAI.prototype.AddGuard = function(target) { if (!this.CanGuard()) return false; var cmpGuard = Engine.QueryInterface(target, IID_Guard); if (!cmpGuard) return false; this.isGuardOf = target; this.guardRange = cmpGuard.GetRange(this.entity); cmpGuard.AddGuard(this.entity); return true; }; UnitAI.prototype.RemoveGuard = function() { if (!this.isGuardOf) return; let cmpGuard = Engine.QueryInterface(this.isGuardOf, IID_Guard); if (cmpGuard) cmpGuard.RemoveGuard(this.entity); this.guardRange = undefined; this.isGuardOf = undefined; if (!this.order) return; if (this.order.type == "Guard") this.UnitFsm.ProcessMessage(this, { "type": "RemoveGuard" }); else for (let i = 1; i < this.orderQueue.length; ++i) if (this.orderQueue[i].type == "Guard") this.orderQueue.splice(i, 1); Engine.PostMessage(this.entity, MT_UnitAIOrderDataChanged, { "to": this.GetOrderData() }); }; UnitAI.prototype.IsGuardOf = function() { return this.isGuardOf; }; UnitAI.prototype.SetGuardOf = function(entity) { // entity may be undefined this.isGuardOf = entity; }; UnitAI.prototype.CanGuard = function() { // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; return this.template.CanGuard == "true"; }; UnitAI.prototype.CanPatrol = function() { // Formation controllers should always respond to commands // (then the individual units can make up their own minds) return this.IsFormationController() || this.template.CanPatrol == "true"; }; /** * Adds walk order to queue, forced by the player. */ UnitAI.prototype.Walk = function(x, z, queued) { if (this.expectedRoute && queued) this.expectedRoute.push({ "x": x, "z": z }); else this.AddOrder("Walk", { "x": x, "z": z, "force": true }, queued); }; /** * Adds walk to point range order to queue, forced by the player. */ UnitAI.prototype.WalkToPointRange = function(x, z, min, max, queued) { this.AddOrder("Walk", { "x": x, "z": z, "min": min, "max": max, "force": true }, queued); }; /** * Adds stop order to queue, forced by the player. */ UnitAI.prototype.Stop = function(queued) { this.AddOrder("Stop", { "force": true }, queued); }; /** * Adds walk-to-target order to queue, this only occurs in response * to a player order, and so is forced. */ UnitAI.prototype.WalkToTarget = function(target, queued) { this.AddOrder("WalkToTarget", { "target": target, "force": true }, queued); }; /** * Adds walk-and-fight order to queue, this only occurs in response * to a player order, and so is forced. * If targetClasses is given, only entities matching the targetClasses can be attacked. */ UnitAI.prototype.WalkAndFight = function(x, z, targetClasses, allowCapture = true, queued = false) { this.AddOrder("WalkAndFight", { "x": x, "z": z, "targetClasses": targetClasses, "allowCapture": allowCapture, "force": true }, queued); }; UnitAI.prototype.Patrol = function(x, z, targetClasses, allowCapture = true, queued = false) { if (!this.CanPatrol()) { this.Walk(x, z, queued); return; } this.AddOrder("Patrol", { "x": x, "z": z, "targetClasses": targetClasses, "allowCapture": allowCapture, "force": true }, queued); }; /** * Adds leave foundation order to queue, treated as forced. */ UnitAI.prototype.LeaveFoundation = function(target) { // If we're already being told to leave a foundation, then // ignore this new request so we don't end up being too indecisive // to ever actually move anywhere. if (this.order && (this.order.type == "LeaveFoundation" || (this.order.type == "Flee" && this.order.data.target == target))) return; // Ignore also the request if we are packing. if (this.orderQueue.length && this.orderQueue[0].type == "Unpack" && this.WillMoveFromFoundation(target, false)) { let cmpPack = Engine.QueryInterface(this.entity, IID_Pack); if (cmpPack) cmpPack.CancelPack(); } if (this.IsPacking()) return; this.PushOrderFront("LeaveFoundation", { "target": target, "force": true }); }; /** * Adds attack order to the queue, forced by the player. */ UnitAI.prototype.Attack = function(target, allowCapture = true, queued = false) { if (!this.CanAttack(target)) { // We don't want to let healers walk to the target unit so they can be easily killed. // Instead we just let them get into healing range. if (this.IsHealer()) this.MoveToTargetRange(target, IID_Heal); else this.WalkToTarget(target, queued); return; } let order = { "target": target, "force": true, "allowCapture": allowCapture, }; this.RememberTargetPosition(order); this.AddOrder("Attack", order, queued); }; /** * Adds garrison order to the queue, forced by the player. */ UnitAI.prototype.Garrison = function(target, queued) { if (target == this.entity) return; if (!this.CanGarrison(target)) { this.WalkToTarget(target, queued); return; } this.AddOrder("Garrison", { "target": target, "force": true }, queued); }; /** * Adds ungarrison order to the queue. */ UnitAI.prototype.Ungarrison = function() { if (this.IsGarrisoned()) { this.SetImmobile(false); this.AddOrder("Ungarrison", null, false); } }; /** * Adds a garrison order for units that are already garrisoned in the garrison holder. */ UnitAI.prototype.Autogarrison = function(target) { this.isGarrisoned = true; this.PushOrderFront("Garrison", { "target": target }); }; /** * Adds gather order to the queue, forced by the player * until the target is reached */ UnitAI.prototype.Gather = function(target, queued) { this.PerformGather(target, queued, true); }; /** * Internal function to abstract the force parameter. */ UnitAI.prototype.PerformGather = function(target, queued, force) { if (!this.CanGather(target)) { this.WalkToTarget(target, queued); return; } // Save the resource type now, so if the resource gets destroyed // before we process the order then we still know what resource // type to look for more of var type; var cmpResourceSupply = QueryMiragedInterface(target, IID_ResourceSupply); if (cmpResourceSupply) type = cmpResourceSupply.GetType(); else error("CanGather allowed gathering from invalid entity"); // Also save the target entity's template, so that if it's an animal, // we won't go from hunting slow safe animals to dangerous fast ones var cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager); var template = cmpTemplateManager.GetCurrentTemplateName(target); // Remove "resource|" prefix from template name, if present. if (template.indexOf("resource|") != -1) template = template.slice(9); let order = { "target": target, "type": type, "template": template, "force": force, }; this.RememberTargetPosition(order); order.initPos = order.lastPos; this.AddOrder("Gather", order, queued); }; /** * Adds gather-near-position order to the queue, not forced, so it can be * interrupted by attacks. */ UnitAI.prototype.GatherNearPosition = function(x, z, type, template, queued) { // Remove "resource|" prefix from template name, if present. if (template.indexOf("resource|") != -1) template = template.slice(9); if (this.IsFormationController() || Engine.QueryInterface(this.entity, IID_ResourceGatherer)) this.AddOrder("GatherNearPosition", { "type": type, "template": template, "x": x, "z": z, "force": false }, queued); else this.AddOrder("Walk", { "x": x, "z": z, "force": false }, queued); }; /** * Adds heal order to the queue, forced by the player. */ UnitAI.prototype.Heal = function(target, queued) { if (!this.CanHeal(target)) { this.WalkToTarget(target, queued); return; } this.AddOrder("Heal", { "target": target, "force": true }, queued); }; /** * Adds return resource order to the queue, forced by the player. */ UnitAI.prototype.ReturnResource = function(target, queued) { if (!this.CanReturnResource(target, true)) { this.WalkToTarget(target, queued); return; } this.AddOrder("ReturnResource", { "target": target, "force": true }, queued); }; UnitAI.prototype.CancelSetupTradeRoute = function(target) { let cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); if (!cmpTrader) return; cmpTrader.RemoveTargetMarket(target); if (this.IsFormationController()) this.CallMemberFunction("CancelSetupTradeRoute", [target]); } /** * Adds trade order to the queue. Either walk to the first market, or * start a new route. Not forced, so it can be interrupted by attacks. * The possible route may be given directly as a SetupTradeRoute argument * if coming from a RallyPoint, or through this.expectedRoute if a user command. */ UnitAI.prototype.SetupTradeRoute = function(target, source, route, queued) { if (!this.CanTrade(target)) { this.WalkToTarget(target, queued); return; } // AI has currently no access to BackToWork let cmpPlayer = QueryOwnerInterface(this.entity); if (cmpPlayer && cmpPlayer.IsAI() && !this.IsFormationController() && this.workOrders.length && this.workOrders[0].type == "Trade") { let cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); if (cmpTrader.HasBothMarkets() && (cmpTrader.GetFirstMarket() == target && cmpTrader.GetSecondMarket() == source || cmpTrader.GetFirstMarket() == source && cmpTrader.GetSecondMarket() == target)) { this.BackToWork(); return; } } var marketsChanged = this.SetTargetMarket(target, source); if (!marketsChanged) return; var cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); if (cmpTrader.HasBothMarkets()) { let data = { "target": cmpTrader.GetFirstMarket(), "route": route, "force": false }; if (this.expectedRoute) { if (!route && this.expectedRoute.length) data.route = this.expectedRoute.slice(); this.expectedRoute = undefined; } if (this.IsFormationController()) { this.CallMemberFunction("AddOrder", ["Trade", data, queued]); let cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (cmpFormation) cmpFormation.Disband(); } else this.AddOrder("Trade", data, queued); } else { if (this.IsFormationController()) this.CallMemberFunction("WalkToTarget", [cmpTrader.GetFirstMarket(), queued]); else this.WalkToTarget(cmpTrader.GetFirstMarket(), queued); this.expectedRoute = []; } }; UnitAI.prototype.SetTargetMarket = function(target, source) { var cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); if (!cmpTrader) return false; var marketsChanged = cmpTrader.SetTargetMarket(target, source); if (this.IsFormationController()) this.CallMemberFunction("SetTargetMarket", [target, source]); return marketsChanged; }; UnitAI.prototype.SwitchMarketOrder = function(oldMarket, newMarket) { if (this.order && this.order.data && this.order.data.target && this.order.data.target == oldMarket) this.order.data.target = newMarket; }; UnitAI.prototype.MoveToMarket = function(targetMarket) { if (this.waypoints && this.waypoints.length > 1) { let point = this.waypoints.pop(); return this.MoveToPoint(point.x, point.z) || this.MoveToMarket(targetMarket); } this.waypoints = undefined; return this.MoveToTargetRange(targetMarket, IID_Trader); }; UnitAI.prototype.PerformTradeAndMoveToNextMarket = function(currentMarket) { if (!this.CanTrade(currentMarket)) { this.StopTrading(); return; } if (!this.CheckTargetRange(currentMarket, IID_Trader)) { if (!this.MoveToMarket(currentMarket)) // If the current market is not reached try again this.StopTrading(); return; } let cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); let nextMarket = cmpTrader.PerformTrade(currentMarket); let amount = cmpTrader.GetGoods().amount; if (!nextMarket || !amount || !amount.traderGain) { this.StopTrading(); return; } this.order.data.target = nextMarket; if (this.order.data.route && this.order.data.route.length) { this.waypoints = this.order.data.route.slice(); if (this.order.data.target == cmpTrader.GetSecondMarket()) this.waypoints.reverse(); this.waypoints.unshift(null); // additionnal dummy point for the market } if (this.MoveToMarket(nextMarket)) // We've started walking to the next market this.SetNextState("APPROACHINGMARKET"); else this.StopTrading(); }; UnitAI.prototype.MarketRemoved = function(market) { if (this.order && this.order.data && this.order.data.target && this.order.data.target == market) this.UnitFsm.ProcessMessage(this, { "type": "TradingCanceled", "market": market }); }; UnitAI.prototype.StopTrading = function() { this.StopMoving(); this.FinishOrder(); var cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); cmpTrader.StopTrading(); }; /** * Adds repair/build order to the queue, forced by the player * until the target is reached */ UnitAI.prototype.Repair = function(target, autocontinue, queued) { if (!this.CanRepair(target)) { this.WalkToTarget(target, queued); return; } this.AddOrder("Repair", { "target": target, "autocontinue": autocontinue, "force": true }, queued); }; /** * Adds flee order to the queue, not forced, so it can be * interrupted by attacks. */ UnitAI.prototype.Flee = function(target, queued) { this.AddOrder("Flee", { "target": target, "force": false }, queued); }; UnitAI.prototype.Cheer = function() { this.PushOrderFront("Cheer", { "force": false }); }; UnitAI.prototype.Pack = function(queued) { // Check that we can pack if (this.CanPack()) this.AddOrder("Pack", { "force": true }, queued); }; UnitAI.prototype.Unpack = function(queued) { // Check that we can unpack if (this.CanUnpack()) this.AddOrder("Unpack", { "force": true }, queued); }; UnitAI.prototype.CancelPack = function(queued) { var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); if (cmpPack && cmpPack.IsPacking() && !cmpPack.IsPacked()) this.AddOrder("CancelPack", { "force": true }, queued); }; UnitAI.prototype.CancelUnpack = function(queued) { var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); if (cmpPack && cmpPack.IsPacking() && cmpPack.IsPacked()) this.AddOrder("CancelUnpack", { "force": true }, queued); }; UnitAI.prototype.SetStance = function(stance) { if (g_Stances[stance]) { this.stance = stance; Engine.PostMessage(this.entity, MT_UnitStanceChanged, { "to": this.stance }); } else error("UnitAI: Setting to invalid stance '"+stance+"'"); }; UnitAI.prototype.SwitchToStance = function(stance) { var cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return; var pos = cmpPosition.GetPosition(); this.SetHeldPosition(pos.x, pos.z); this.SetStance(stance); // Stop moving if switching to stand ground // TODO: Also stop existing orders in a sensible way if (stance == "standground") this.StopMoving(); // Reset the range queries, since the range depends on stance. this.SetupRangeQueries(); }; UnitAI.prototype.SetTurretStance = function() { this.previousStance = undefined; if (this.GetStance().respondStandGround) return; for (let stance in g_Stances) { if (!g_Stances[stance].respondStandGround) continue; this.previousStance = this.GetStanceName(); this.SwitchToStance(stance); return; } }; UnitAI.prototype.ResetTurretStance = function() { if (!this.previousStance) return; this.SwitchToStance(this.previousStance); this.previousStance = undefined; }; /** * Resets the losRangeQuery. * @return {boolean} - Whether there are targets in range that we ought to react upon. */ UnitAI.prototype.FindSightedEnemies = function() { if (!this.losRangeQuery) return false; let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); return this.RespondToSightedEntities(cmpRangeManager.ResetActiveQuery(this.losRangeQuery)); }; /** * Resets losHealRangeQuery, and if there are some targets in range that we can heal * then we start healing and this returns true; otherwise, returns false. */ UnitAI.prototype.FindNewHealTargets = function() { if (!this.losHealRangeQuery) return false; let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); return this.RespondToHealableEntities(cmpRangeManager.ResetActiveQuery(this.losHealRangeQuery)); }; /** * Resets losAttackRangeQuery, and if there are some targets in range that we can * attack then we start attacking and this returns true; otherwise, returns false. */ UnitAI.prototype.FindNewTargets = function() { if (!this.losAttackRangeQuery) return false; if (!this.GetStance().targetVisibleEnemies) return false; let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); return this.AttackEntitiesByPreference(cmpRangeManager.ResetActiveQuery(this.losAttackRangeQuery)); }; UnitAI.prototype.FindWalkAndFightTargets = function() { if (this.IsFormationController()) { var cmpUnitAI; var cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); for (var ent of cmpFormation.members) { if (!(cmpUnitAI = Engine.QueryInterface(ent, IID_UnitAI))) continue; var targets = cmpUnitAI.GetTargetsFromUnit(); for (var targ of targets) { if (!cmpUnitAI.CanAttack(targ)) continue; if (this.order.data.targetClasses) { var cmpIdentity = Engine.QueryInterface(targ, IID_Identity); var targetClasses = this.order.data.targetClasses; if (targetClasses.attack && cmpIdentity && !MatchesClassList(cmpIdentity.GetClassesList(), targetClasses.attack)) continue; if (targetClasses.avoid && cmpIdentity && MatchesClassList(cmpIdentity.GetClassesList(), targetClasses.avoid)) continue; // Only used by the AIs to prevent some choices of targets if (targetClasses.vetoEntities && targetClasses.vetoEntities[targ]) continue; } this.PushOrderFront("Attack", { "target": targ, "force": false, "allowCapture": this.order.data.allowCapture }); return true; } } return false; } var targets = this.GetTargetsFromUnit(); for (var targ of targets) { if (!this.CanAttack(targ)) continue; if (this.order.data.targetClasses) { var cmpIdentity = Engine.QueryInterface(targ, IID_Identity); var targetClasses = this.order.data.targetClasses; if (cmpIdentity && targetClasses.attack && !MatchesClassList(cmpIdentity.GetClassesList(), targetClasses.attack)) continue; if (cmpIdentity && targetClasses.avoid && MatchesClassList(cmpIdentity.GetClassesList(), targetClasses.avoid)) continue; // Only used by the AIs to prevent some choices of targets if (targetClasses.vetoEntities && targetClasses.vetoEntities[targ]) continue; } this.PushOrderFront("Attack", { "target": targ, "force": false, "allowCapture": this.order.data.allowCapture }); return true; } // healers on a walk-and-fight order should heal injured units if (this.IsHealer()) return this.FindNewHealTargets(); return false; }; UnitAI.prototype.GetTargetsFromUnit = function() { if (!this.losAttackRangeQuery) return []; if (!this.GetStance().targetVisibleEnemies) return []; let cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); if (!cmpAttack) return []; let attackfilter = function(e) { let cmpOwnership = Engine.QueryInterface(e, IID_Ownership); if (cmpOwnership && cmpOwnership.GetOwner() > 0) return true; let cmpUnitAI = Engine.QueryInterface(e, IID_UnitAI); return cmpUnitAI && (!cmpUnitAI.IsAnimal() || cmpUnitAI.IsDangerousAnimal()); }; let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); let entities = cmpRangeManager.ResetActiveQuery(this.losAttackRangeQuery); let targets = entities.filter(function(v) { return cmpAttack.CanAttack(v) && attackfilter(v); }) .sort(function(a, b) { return cmpAttack.CompareEntitiesByPreference(a, b); }); return targets; }; UnitAI.prototype.GetQueryRange = function(iid) { let ret = { "min": 0, "max": 0 }; let cmpVision = Engine.QueryInterface(this.entity, IID_Vision); if (!cmpVision) return ret; let visionRange = cmpVision.GetRange(); if (iid === IID_Vision) { ret.max = visionRange; return ret; } if (this.GetStance().respondStandGround) { let range = this.GetRange(iid); if (!range) return ret; ret.min = range.min; ret.max = Math.min(range.max, visionRange); } else if (this.GetStance().respondChase) ret.max = visionRange; else if (this.GetStance().respondHoldGround) { let range = this.GetRange(iid); if (!range) return ret; ret.max = Math.min(range.max + visionRange / 2, visionRange); } // We probably have stance 'passive' and we wouldn't have a range, // but as it is the default for healers we need to set it to something sane. else if (iid === IID_Heal) ret.max = visionRange; return ret; }; UnitAI.prototype.GetStance = function() { return g_Stances[this.stance]; }; UnitAI.prototype.GetSelectableStances = function() { if (this.IsTurret()) return []; return Object.keys(g_Stances).filter(key => g_Stances[key].selectable); }; UnitAI.prototype.GetStanceName = function() { return this.stance; }; /* * Make the unit walk at its normal pace. */ UnitAI.prototype.ResetSpeedMultiplier = function() { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (cmpUnitMotion) cmpUnitMotion.SetSpeedMultiplier(1); }; UnitAI.prototype.SetSpeedMultiplier = function(speed) { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (cmpUnitMotion) cmpUnitMotion.SetSpeedMultiplier(speed); }; /** * Try to match the targets current movement speed. * * @param {number} target - The entity ID of the target to match. * @param {boolean} mayRun - Whether the entity is allowed to run to match the speed. */ UnitAI.prototype.TryMatchTargetSpeed = function(target, mayRun = true) { let cmpUnitMotionTarget = Engine.QueryInterface(target, IID_UnitMotion); if (cmpUnitMotionTarget) { let targetSpeed = cmpUnitMotionTarget.GetCurrentSpeed(); if (targetSpeed) this.SetSpeedMultiplier(Math.min(mayRun ? this.GetRunMultiplier() : 1, targetSpeed / this.GetWalkSpeed())); } }; /* * Remember the position of the target (in lastPos), if any, in case it disappears later * and we want to head to its last known position. * @param orderData - The order data to set this on. Defaults to this.order.data */ UnitAI.prototype.RememberTargetPosition = function(orderData) { if (!orderData) orderData = this.order.data; let cmpPosition = Engine.QueryInterface(orderData.target, IID_Position); if (cmpPosition && cmpPosition.IsInWorld()) orderData.lastPos = cmpPosition.GetPosition(); }; UnitAI.prototype.SetHeldPosition = function(x, z) { this.heldPosition = {"x": x, "z": z}; }; UnitAI.prototype.SetHeldPositionOnEntity = function(entity) { var cmpPosition = Engine.QueryInterface(this.entity, IID_Position); if (!cmpPosition || !cmpPosition.IsInWorld()) return; var pos = cmpPosition.GetPosition(); this.SetHeldPosition(pos.x, pos.z); }; UnitAI.prototype.GetHeldPosition = function() { return this.heldPosition; }; UnitAI.prototype.WalkToHeldPosition = function() { if (this.heldPosition) { this.AddOrder("Walk", { "x": this.heldPosition.x, "z": this.heldPosition.z, "force": false }, false); return true; } return false; }; //// Helper functions //// /** * General getter for ranges. * * @param {number} iid * @param {string} type - [Optional] * @return {Object | undefined} - The range in the form * { "min": number, "max": number } * Object."elevationBonus": number may be present when iid == IID_Attack. * Returns undefined when the entity does not have the requested component. */ UnitAI.prototype.GetRange = function(iid, type) { let component = Engine.QueryInterface(this.entity, iid); if (!component) return undefined; return component.GetRange(type); } UnitAI.prototype.CanAttack = function(target) { // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; let cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); return cmpAttack && cmpAttack.CanAttack(target); }; UnitAI.prototype.CanGarrison = function(target) { // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; let cmpGarrisonHolder = Engine.QueryInterface(target, IID_GarrisonHolder); if (!cmpGarrisonHolder) return false; // Verify that the target is owned by this entity's player or a mutual ally of this player let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (!cmpOwnership || !(IsOwnedByPlayer(cmpOwnership.GetOwner(), target) || IsOwnedByMutualAllyOfPlayer(cmpOwnership.GetOwner(), target))) return false; return true; }; UnitAI.prototype.CanGather = function(target) { if (this.IsTurret()) return false; // The target must be a valid resource supply, or the mirage of one. var cmpResourceSupply = QueryMiragedInterface(target, IID_ResourceSupply); if (!cmpResourceSupply) return false; // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; // Verify that we're able to respond to Gather commands var cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); if (!cmpResourceGatherer) return false; // Verify that we can gather from this target if (!cmpResourceGatherer.GetTargetGatherRate(target)) return false; // No need to verify ownership as we should be able to gather from // a target regardless of ownership. // No need to call "cmpResourceSupply.IsAvailable()" either because that // would cause units to walk to full entities instead of choosing another one // nearby to gather from, which is undesirable. return true; }; UnitAI.prototype.CanHeal = function(target) { // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; let cmpHeal = Engine.QueryInterface(this.entity, IID_Heal); return cmpHeal && cmpHeal.CanHeal(target); }; /** * Check if the entity can return carried resources at @param target * @param checkCarriedResource check we are carrying resources * @param cmpResourceGatherer if present, use this directly instead of re-querying. */ UnitAI.prototype.CanReturnResource = function(target, checkCarriedResource, cmpResourceGatherer = undefined) { if (this.IsTurret()) return false; // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; // Verify that we're able to respond to ReturnResource commands if (!cmpResourceGatherer) { cmpResourceGatherer = Engine.QueryInterface(this.entity, IID_ResourceGatherer); if (!cmpResourceGatherer) return false; } // Verify that the target is a dropsite let cmpResourceDropsite = Engine.QueryInterface(target, IID_ResourceDropsite); if (!cmpResourceDropsite) return false; if (checkCarriedResource) { // Verify that we are carrying some resources, // and can return our current resource to this target let type = cmpResourceGatherer.GetMainCarryingType(); if (!type || !cmpResourceDropsite.AcceptsType(type)) return false; } // Verify that the dropsite is owned by this entity's player (or a mutual ally's if allowed) let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (cmpOwnership && IsOwnedByPlayer(cmpOwnership.GetOwner(), target)) return true; let cmpPlayer = QueryOwnerInterface(this.entity); return cmpPlayer && cmpPlayer.HasSharedDropsites() && cmpResourceDropsite.IsShared() && cmpOwnership && IsOwnedByMutualAllyOfPlayer(cmpOwnership.GetOwner(), target); }; UnitAI.prototype.CanTrade = function(target) { if (this.IsTurret()) return false; // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; // Verify that we're able to respond to Trade commands var cmpTrader = Engine.QueryInterface(this.entity, IID_Trader); return cmpTrader && cmpTrader.CanTrade(target); }; UnitAI.prototype.CanRepair = function(target) { if (this.IsTurret()) return false; // Formation controllers should always respond to commands // (then the individual units can make up their own minds) if (this.IsFormationController()) return true; // Verify that we're able to respond to Repair (Builder) commands var cmpBuilder = Engine.QueryInterface(this.entity, IID_Builder); if (!cmpBuilder) return false; // Verify that the target can be either built or repaired var cmpFoundation = QueryMiragedInterface(target, IID_Foundation); var cmpRepairable = Engine.QueryInterface(target, IID_Repairable); if (!cmpFoundation && !cmpRepairable) return false; // Verify that the target is owned by an ally of this entity's player var cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); return cmpOwnership && IsOwnedByAllyOfPlayer(cmpOwnership.GetOwner(), target); }; UnitAI.prototype.CanPack = function() { var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); return cmpPack && !cmpPack.IsPacking() && !cmpPack.IsPacked(); }; UnitAI.prototype.CanUnpack = function() { var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); return cmpPack && !cmpPack.IsPacking() && cmpPack.IsPacked(); }; UnitAI.prototype.IsPacking = function() { var cmpPack = Engine.QueryInterface(this.entity, IID_Pack); return cmpPack && cmpPack.IsPacking(); }; //// Formation specific functions //// UnitAI.prototype.IsAttackingAsFormation = function() { var cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); return cmpAttack && cmpAttack.CanAttackAsFormation() && this.GetCurrentState() == "FORMATIONCONTROLLER.COMBAT.ATTACKING"; }; //// Animal specific functions //// UnitAI.prototype.MoveRandomly = function(distance) { // To minimize drift all across the map, animals describe circles // approximated by polygons. // And to avoid getting stuck in obstacles or narrow spaces, each side // of the polygon is obtained by trying to go away from a point situated // half a meter backwards of the current position, after rotation. // We also add a fluctuation on the length of each side of the polygon (dist) // which, in addition to making the move more random, helps escaping narrow spaces // with bigger values of dist. let cmpPosition = Engine.QueryInterface(this.entity, IID_Position); let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (!cmpPosition || !cmpPosition.IsInWorld() || !cmpUnitMotion) return; let pos = cmpPosition.GetPosition(); let ang = cmpPosition.GetRotation().y; if (!this.roamAngle) { this.roamAngle = (randBool() ? 1 : -1) * Math.PI / 6; ang -= this.roamAngle / 2; this.startAngle = ang; } else if (Math.abs((ang - this.startAngle + Math.PI) % (2 * Math.PI) - Math.PI) < Math.abs(this.roamAngle / 2)) this.roamAngle *= randBool() ? 1 : -1; let halfDelta = randFloat(this.roamAngle / 4, this.roamAngle * 3 / 4); // First half rotation to decrease the impression of immediate rotation ang += halfDelta; cmpUnitMotion.FaceTowardsPoint(pos.x + 0.5 * Math.sin(ang), pos.z + 0.5 * Math.cos(ang)); // Then second half of the rotation ang += halfDelta; let dist = randFloat(0.5, 1.5) * distance; cmpUnitMotion.MoveToPointRange(pos.x - 0.5 * Math.sin(ang), pos.z - 0.5 * Math.cos(ang), dist, -1); }; UnitAI.prototype.SetFacePointAfterMove = function(val) { var cmpMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); if (cmpMotion) cmpMotion.SetFacePointAfterMove(val); }; UnitAI.prototype.GetFacePointAfterMove = function() { let cmpUnitMotion = Engine.QueryInterface(this.entity, IID_UnitMotion); return cmpUnitMotion && cmpUnitMotion.GetFacePointAfterMove(); } UnitAI.prototype.AttackEntitiesByPreference = function(ents) { if (!ents.length) return false; var cmpAttack = Engine.QueryInterface(this.entity, IID_Attack); if (!cmpAttack) return false; var attackfilter = function(e) { var cmpOwnership = Engine.QueryInterface(e, IID_Ownership); if (cmpOwnership && cmpOwnership.GetOwner() > 0) return true; var cmpUnitAI = Engine.QueryInterface(e, IID_UnitAI); return cmpUnitAI && (!cmpUnitAI.IsAnimal() || cmpUnitAI.IsDangerousAnimal()); }; let entsByPreferences = {}; let preferences = []; let entsWithoutPref = []; for (let ent of ents) { if (!attackfilter(ent)) continue; let pref = cmpAttack.GetPreference(ent); if (pref === null || pref === undefined) entsWithoutPref.push(ent); else if (!entsByPreferences[pref]) { preferences.push(pref); entsByPreferences[pref] = [ent]; } else entsByPreferences[pref].push(ent); } if (preferences.length) { preferences.sort((a, b) => a - b); for (let pref of preferences) if (this.RespondToTargetedEntities(entsByPreferences[pref])) return true; } return this.RespondToTargetedEntities(entsWithoutPref); }; /** * Call UnitAI.funcname(args) on all formation members. * @param resetWaitingEntities - If true, call ResetWaitingEntities first. * If the controller wants to wait on its members to finish their order, * this needs to be reset before sending new orders (in case they instafail) * so it makes sense to do it here. * Only set this to false if you're sure it's safe. */ UnitAI.prototype.CallMemberFunction = function(funcname, args, resetWaitingEntities = true) { var cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (!cmpFormation) return; if (resetWaitingEntities) cmpFormation.ResetWaitingEntities(); cmpFormation.GetMembers().forEach(ent => { let cmpUnitAI = Engine.QueryInterface(ent, IID_UnitAI); cmpUnitAI[funcname].apply(cmpUnitAI, args); }); }; /** * Call obj.funcname(args) on UnitAI components owned by player in given range. */ UnitAI.prototype.CallPlayerOwnedEntitiesFunctionInRange = function(funcname, args, range) { let cmpOwnership = Engine.QueryInterface(this.entity, IID_Ownership); if (!cmpOwnership) return; let owner = cmpOwnership.GetOwner(); if (owner == INVALID_PLAYER) return; let cmpRangeManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_RangeManager); let nearby = cmpRangeManager.ExecuteQuery(this.entity, 0, range, [owner], IID_UnitAI); for (let i = 0; i < nearby.length; ++i) { let cmpUnitAI = Engine.QueryInterface(nearby[i], IID_UnitAI); cmpUnitAI[funcname].apply(cmpUnitAI, args); } }; /** * Call obj.functname(args) on UnitAI components of all formation members, * and return true if all calls return true. */ UnitAI.prototype.TestAllMemberFunction = function(funcname, args) { var cmpFormation = Engine.QueryInterface(this.entity, IID_Formation); if (!cmpFormation) return false; return cmpFormation.GetMembers().every(ent => { var cmpUnitAI = Engine.QueryInterface(ent, IID_UnitAI); return cmpUnitAI[funcname].apply(cmpUnitAI, args); }); }; UnitAI.prototype.UnitFsm = new FSM(UnitAI.prototype.UnitFsmSpec); Engine.RegisterComponentType(IID_UnitAI, "UnitAI", UnitAI); Index: ps/trunk/binaries/data/mods/public/simulation/components/tests/test_ResourceSupply.js =================================================================== --- ps/trunk/binaries/data/mods/public/simulation/components/tests/test_ResourceSupply.js (revision 24035) +++ ps/trunk/binaries/data/mods/public/simulation/components/tests/test_ResourceSupply.js (revision 24036) @@ -1,74 +1,74 @@ Resources = { "BuildChoicesSchema": () => { let schema = ""; for (let res of ["food", "metal"]) { for (let subtype in ["meat", "grain"]) schema += "" + res + "." + subtype + ""; schema += " treasure." + res + ""; } return "" + schema + ""; } }; Engine.LoadComponentScript("interfaces/ResourceSupply.js"); Engine.LoadComponentScript("ResourceSupply.js"); const entity = 60; AddMock(SYSTEM_ENTITY, IID_PlayerManager, { "GetNumPlayers": () => 3 }); AddMock(entity, IID_Fogging, { "Activate": () => {} }); let template = { "Amount": 1000, "Type": "food.meat", "KillBeforeGather": false, "MaxGatherers": 2 }; let cmpResourceSupply = ConstructComponent(entity, "ResourceSupply", template); TS_ASSERT(!cmpResourceSupply.IsInfinite()); TS_ASSERT(!cmpResourceSupply.GetKillBeforeGather()); TS_ASSERT_EQUALS(cmpResourceSupply.GetMaxAmount(), 1000); TS_ASSERT_EQUALS(cmpResourceSupply.GetMaxGatherers(), 2); TS_ASSERT_EQUALS(cmpResourceSupply.GetDiminishingReturns(), null); TS_ASSERT_EQUALS(cmpResourceSupply.GetNumGatherers(), 0); -TS_ASSERT(cmpResourceSupply.IsAvailable(1, 70)); -TS_ASSERT(cmpResourceSupply.AddGatherer(1, 70)); +TS_ASSERT(cmpResourceSupply.IsAvailableTo(70)); +TS_ASSERT(cmpResourceSupply.AddGatherer(70)); TS_ASSERT_EQUALS(cmpResourceSupply.GetNumGatherers(), 1); -TS_ASSERT(cmpResourceSupply.AddGatherer(1, 71)); +TS_ASSERT(cmpResourceSupply.AddGatherer(71)); TS_ASSERT_EQUALS(cmpResourceSupply.GetNumGatherers(), 2); -TS_ASSERT(!cmpResourceSupply.AddGatherer(2, 72)); +TS_ASSERT(!cmpResourceSupply.AddGatherer(72)); TS_ASSERT_EQUALS(cmpResourceSupply.GetNumGatherers(), 2); -TS_ASSERT(cmpResourceSupply.IsAvailable(1, 70)); -TS_ASSERT(!cmpResourceSupply.IsAvailable(1, 73)); -TS_ASSERT(!cmpResourceSupply.AddGatherer(1, 73)); +TS_ASSERT(cmpResourceSupply.IsAvailableTo(70)); +TS_ASSERT(!cmpResourceSupply.IsAvailableTo(73)); +TS_ASSERT(!cmpResourceSupply.AddGatherer(73)); TS_ASSERT_EQUALS(cmpResourceSupply.GetNumGatherers(), 2); -cmpResourceSupply.RemoveGatherer(70, 1); +cmpResourceSupply.RemoveGatherer(70); TS_ASSERT_EQUALS(cmpResourceSupply.GetNumGatherers(), 1); TS_ASSERT_UNEVAL_EQUALS(cmpResourceSupply.GetCurrentAmount(), 1000); TS_ASSERT_UNEVAL_EQUALS(cmpResourceSupply.TakeResources(300), { "amount": 300, "exhausted": false }); TS_ASSERT_EQUALS(cmpResourceSupply.GetCurrentAmount(), 700); -TS_ASSERT(cmpResourceSupply.IsAvailable(1, 70)); +TS_ASSERT(cmpResourceSupply.IsAvailableTo(70)); TS_ASSERT_UNEVAL_EQUALS(cmpResourceSupply.TakeResources(800), { "amount": 700, "exhausted": true }); TS_ASSERT_EQUALS(cmpResourceSupply.GetCurrentAmount(), 0); // The resource is not available when exhausted -TS_ASSERT(!cmpResourceSupply.IsAvailable(1, 70)); +TS_ASSERT(!cmpResourceSupply.IsAvailableTo(70));