Differential D3509 Diff 16533 ps/trunk/source/simulation2/components/CCmpUnitMotionManager.cpp

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ps/trunk/source/simulation2/components/CCmpUnitMotionManager.cpp

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				/* Copyright (C) 2021 Wildfire Games.
				* This file is part of 0 A.D.
				*
				* 0 A.D. is free software: you can redistribute it and/or modify
				* it under the terms of the GNU General Public License as published by
				* the Free Software Foundation, either version 2 of the License, or
				* (at your option) any later version.
				*
				* 0 A.D. is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
				*/

				#include "precompiled.h"

				#include "ICmpUnitMotionManager.h"

				#include "simulation2/MessageTypes.h"
				#include "simulation2/components/ICmpUnitMotion.h"
				#include "simulation2/system/EntityMap.h"

				#include "ps/CLogger.h"
				#include "ps/Profile.h"

				class CCmpUnitMotionManager : public ICmpUnitMotionManager
				{
				protected:
				EntityMap<MotionState> m_Units;
				EntityMap<MotionState> m_FormationControllers;

				// Temporary vector, reconstructed each turn (stored here to avoid memory reallocations).
				std::vector<EntityMap<MotionState>::iterator> m_MovingUnits;

				bool m_ComputingMotion;
				public:
				static void ClassInit(CComponentManager& componentManager)
				{
				componentManager.SubscribeToMessageType(MT_TurnStart);
				componentManager.SubscribeToMessageType(MT_Update_Final);
				componentManager.SubscribeToMessageType(MT_Update_MotionUnit);
				componentManager.SubscribeToMessageType(MT_Update_MotionFormation);
				}

				DEFAULT_COMPONENT_ALLOCATOR(UnitMotionManager)

				virtual void Init(const CParamNode& UNUSED(paramNode))
				{
				m_MovingUnits.reserve(40);
				}

				virtual void Deinit()
				{
				}

				virtual void Serialize(ISerializer& UNUSED(serialize))
				{
				}

				virtual void Deserialize(const CParamNode& paramNode, IDeserializer& UNUSED(deserialize))
				{
				Init(paramNode);
				}

				virtual void HandleMessage(const CMessage& msg, bool UNUSED(global))
				{
				switch (msg.GetType())
				{
				case MT_TurnStart:
				{
				OnTurnStart();
				break;
				}
				case MT_Update_MotionFormation:
				{
				fixed dt = static_cast<const CMessageUpdate_MotionFormation&> (msg).turnLength;
				m_ComputingMotion = true;
				MoveFormations(dt);
				m_ComputingMotion = false;
				break;
				}
				case MT_Update_MotionUnit:
				{
				fixed dt = static_cast<const CMessageUpdate_MotionUnit&> (msg).turnLength;
				m_ComputingMotion = true;
				MoveUnits(dt);
				m_ComputingMotion = false;
				break;
				}
				}
				}

				virtual void Register(entity_id_t ent, bool formationController);
				virtual void Unregister(entity_id_t ent);

				virtual bool ComputingMotion() const
				{
				return m_ComputingMotion;
				}

				void OnTurnStart();

				void MoveUnits(fixed dt);
				void MoveFormations(fixed dt);
				void Move(EntityMap<MotionState>& ents, fixed dt);
				};

				void CCmpUnitMotionManager::Register(entity_id_t ent, bool formationController)
				{
				MotionState state = {
				CmpPtr<ICmpPosition>(GetSimContext(), ent),
				CmpPtr<ICmpUnitMotion>(GetSimContext(), ent),
				CFixedVector2D(),
				CFixedVector2D(),
				fixed::Zero(),
				fixed::Zero(),
				false,
				false
				};
				if (!formationController)
				m_Units.insert(ent, state);
				else
				m_FormationControllers.insert(ent, state);
				}

				void CCmpUnitMotionManager::Unregister(entity_id_t ent)
				{
				EntityMap<MotionState>::iterator it = m_Units.find(ent);
				if (it != m_Units.end())
				{
				m_Units.erase(it);
				return;
				}
				it = m_FormationControllers.find(ent);
				if (it != m_FormationControllers.end())
				m_FormationControllers.erase(it);
				}

				void CCmpUnitMotionManager::OnTurnStart()
				{
				for (EntityMap<MotionState>::value_type& data : m_FormationControllers)
				data.second.cmpUnitMotion->OnTurnStart();

				for (EntityMap<MotionState>::value_type& data : m_Units)
				data.second.cmpUnitMotion->OnTurnStart();
				}

				void CCmpUnitMotionManager::MoveUnits(fixed dt)
				{
				Move(m_Units, dt);
				}

				void CCmpUnitMotionManager::MoveFormations(fixed dt)
				{
				Move(m_FormationControllers, dt);
				}

				void CCmpUnitMotionManager::Move(EntityMap<MotionState>& ents, fixed dt)
				{
				m_MovingUnits.clear();
				for (EntityMap<MotionState>::iterator it = ents.begin(); it != ents.end(); ++it)
				{
				it->second.cmpUnitMotion->PreMove(it->second);
				if (!it->second.needUpdate)
				continue;
				m_MovingUnits.push_back(it);
				it->second.initialPos = it->second.cmpPosition->GetPosition2D();
				it->second.initialAngle = it->second.cmpPosition->GetRotation().Y;
				it->second.pos = it->second.initialPos;
				it->second.angle = it->second.initialAngle;
				}

				for (EntityMap<MotionState>::iterator& it : m_MovingUnits)
				it->second.cmpUnitMotion->Move(it->second, dt);

				for (EntityMap<MotionState>::iterator& it : m_MovingUnits)
				it->second.cmpUnitMotion->PostMove(it->second, dt);
				}


				REGISTER_COMPONENT_TYPE(UnitMotionManager)