Differential D1884 Diff 8119 ps/trunk/source/simulation2/components/CCmpUnitMotion.cpp

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

Show First 20 Lines • Show All 645 Lines • ▼ Show 20 Lines	private:
* Update goal position if moving target		* Update goal position if moving target
*/		*/
void UpdateFinalGoal();		void UpdateFinalGoal();

/**		/**
* Returns whether we are close enough to the target to assume it's a good enough		* Returns whether we are close enough to the target to assume it's a good enough
* position to stop.		* position to stop.
*/		*/
bool ShouldConsiderOurselvesAtDestination(const CFixedVector2D& from);		bool CloseEnoughFromDestinationToStop(const CFixedVector2D& from) const;

/**		/**
* Returns whether the length of the given path, plus the distance from		* Returns whether the length of the given path, plus the distance from
* 'from' to the first waypoints, it shorter than minDistance.		* 'from' to the first waypoints, it shorter than minDistance.
*/		*/
bool PathIsShort(const WaypointPath& path, const CFixedVector2D& from, entity_pos_t minDistance) const;		bool PathIsShort(const WaypointPath& path, const CFixedVector2D& from, entity_pos_t minDistance) const;

/**		/**
▲ Show 20 Lines • Show All 112 Lines • ▼ Show 20 Lines	if (m_ShortPath.m_Waypoints.empty())
GetSimContext().GetComponentManager().PostMessage(GetEntityId(), msg);		GetSimContext().GetComponentManager().PostMessage(GetEntityId(), msg);

CmpPtr<ICmpPosition> cmpPosition(GetEntityHandle());		CmpPtr<ICmpPosition> cmpPosition(GetEntityHandle());
if (!cmpPosition \|\| !cmpPosition->IsInWorld())		if (!cmpPosition \|\| !cmpPosition->IsInWorld())
return;		return;

CFixedVector2D pos = cmpPosition->GetPosition2D();		CFixedVector2D pos = cmpPosition->GetPosition2D();

if (ShouldConsiderOurselvesAtDestination(pos))		if (CloseEnoughFromDestinationToStop(pos))
		{
		StopMoving();
		MoveSucceeded();

		if (m_FacePointAfterMove)
		FaceTowardsPointFromPos(pos, m_FinalGoal.x, m_FinalGoal.z);
return;		return;
		}

UpdateFinalGoal();		UpdateFinalGoal();
RequestLongPath(pos, m_FinalGoal);		RequestLongPath(pos, m_FinalGoal);
m_PathState = PATHSTATE_WAITING_REQUESTING_LONG;		m_PathState = PATHSTATE_WAITING_REQUESTING_LONG;
return;		return;
}		}

// else we could, so reset our number of tries.		// else we could, so reset our number of tries.
▲ Show 20 Lines • Show All 162 Lines • ▼ Show 20 Lines	case PATHSTATE_FOLLOWING_REQUESTING_LONG:
}		}

if (wasObstructed)		if (wasObstructed)
{		{
// Oops, we hit something (very likely another unit).		// Oops, we hit something (very likely another unit).
// This is when we might easily get stuck wrongly.		// This is when we might easily get stuck wrongly.

// check if we've arrived.		// check if we've arrived.
if (ShouldConsiderOurselvesAtDestination(pos))		if (CloseEnoughFromDestinationToStop(pos))
		{
		StopMoving();
		MoveSucceeded();

		if (m_FacePointAfterMove)
		FaceTowardsPointFromPos(pos, m_FinalGoal.x, m_FinalGoal.z);

return;		return;
		}

// If we still have long waypoints, try and compute a short path		// If we still have long waypoints, try and compute a short path
// This will get us around units, amongst others.		// This will get us around units, amongst others.
// However in some cases a long waypoint will be in located in the obstruction of		// However in some cases a long waypoint will be in located in the obstruction of
// an idle unit. In that case, we need to scrap that waypoint or we might never be able to reach it.		// an idle unit. In that case, we need to scrap that waypoint or we might never be able to reach it.
// I am not sure why this happens but the following code seems to work.		// I am not sure why this happens but the following code seems to work.
if (!m_LongPath.m_Waypoints.empty())		if (!m_LongPath.m_Waypoints.empty())
{		{
▲ Show 20 Lines • Show All 242 Lines • ▼ Show 20 Lines	if (IsFormationMember())
return;		return;
CFixedVector2D targetPos;		CFixedVector2D targetPos;
if (!ComputeTargetPosition(targetPos))		if (!ComputeTargetPosition(targetPos))
return;		return;
m_FinalGoal.x = targetPos.X;		m_FinalGoal.x = targetPos.X;
m_FinalGoal.z = targetPos.Y;		m_FinalGoal.z = targetPos.Y;
}		}

bool CCmpUnitMotion::ShouldConsiderOurselvesAtDestination(const CFixedVector2D& from)		bool CCmpUnitMotion::CloseEnoughFromDestinationToStop(const CFixedVector2D& from) const
{		{
if (m_TargetEntity != INVALID_ENTITY \|\| m_FinalGoal.DistanceToPoint(from) > SHORT_PATH_GOAL_RADIUS)		if (m_TargetEntity != INVALID_ENTITY \|\| m_FinalGoal.DistanceToPoint(from) > SHORT_PATH_GOAL_RADIUS)
return false;		return false;

StopMoving();
MoveSucceeded();

if (m_FacePointAfterMove)
FaceTowardsPointFromPos(from, m_FinalGoal.x, m_FinalGoal.z);
return true;		return true;
}		}

bool CCmpUnitMotion::PathIsShort(const WaypointPath& path, const CFixedVector2D& from, entity_pos_t minDistance) const		bool CCmpUnitMotion::PathIsShort(const WaypointPath& path, const CFixedVector2D& from, entity_pos_t minDistance) const
{		{
CFixedVector2D prev = from;		CFixedVector2D prev = from;
entity_pos_t distLeft = minDistance;		entity_pos_t distLeft = minDistance;

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