private bool HandlePlanning(bool retargetPos, bool retargetGoal)
{
/*
* Design notes:
*
* Tries to do a corridor move on the position and/or target.
* A replan is only triggered if the move(s) fail to reach the desired polygon(s).
*
* It is important to note that the replan may fail to reach the goal. But that is a
* problem for the AI, not the planner.
*/
bool needsFullReplan = false;
// Convenience vars. Only used for input. Not updated.
NavmeshPoint goal = agent.data.plannerGoal;
NavmeshPoint pos = agent.data.desiredPosition;
PathCorridor corridor = agent.corridor;
if (retargetGoal && retargetPos)
{
corridor.Move(pos.point, goal.point);
retargetGoal = (goal.polyRef != corridor.Target.polyRef ||
pos.polyRef != corridor.Position.polyRef);
}
else if (retargetPos)
{
corridor.MovePosition(pos.point);
needsFullReplan = (pos.polyRef != corridor.Position.polyRef);
}
else if (retargetGoal)
{
corridor.MoveTarget(goal.point);
needsFullReplan = (goal.polyRef != corridor.Target.polyRef);
}
if (needsFullReplan)
{
// Debug.Log("Full Replan");
if (agent.PlanCorridor(pos, goal) <= 0)
{
Debug.LogError(agent.transform.name + ": Could not replan corridor.");
return(false);
}
}
else if (retargetPos || retargetGoal)
{
// Debug.Log("Optimize Only");
// Any chagnes are likely to be larger than normal. So force an optimization.
agent.corridor.OptimizePathTopology(true);
mOptimizationTimer = OptimizationFrequency;
}
agent.data.desiredPosition = agent.corridor.Position;
agent.data.plannerGoal = agent.corridor.Target;
return(true);
}
//这个方法是真的移动计划的移动方法
//根据路线进行移动(注意，这个Agent目标移动数据的修改)
private bool HandlePlanning(bool retargetPos, bool retargetGoal)
{
bool needsFullReplan = false;
//获取记录下来的这些信息
NavmeshPoint goal = theAgent.plannerGoal;
NavmeshPoint pos = theAgent.desiredPosition;
//获取路线引用
PathCorridor corridor = theAgent.corridor;
if (retargetGoal && retargetPos)
{
//此处调用CritterAI的PathCorridor,进而调用PathCorridorEx走recast
//从当前的位置转移到希望运动到的位置，另外将目标移动到希望移动到的目标
corridor.Move(pos.point, goal.point);
retargetGoal = (goal.polyRef != corridor.Target.polyRef || pos.polyRef != corridor.Position.polyRef);
}
else if (retargetPos)
{
//此处调用CritterAI的PathCorridor,进而调用PathCorridorEx走recast
//从当前的位置转移到希望运动到的位置
corridor.MovePosition(pos.point);
needsFullReplan = (pos.polyRef != corridor.Position.polyRef);
}
else if (retargetGoal)
{
//此处调用CritterAI的PathCorridor,进而调用PathCorridorEx走recast
//将目标移动到希望移动到的目标
corridor.MoveTarget(goal.point);
needsFullReplan = (goal.polyRef != corridor.Target.polyRef);
}
if (needsFullReplan)
{
//完全重新计算路径
if (theAgent.PlanCorridor(pos, goal) <= 0)
{
//Debug.LogError(theAgent.transform.name + ": Could not replan corridor.");
SetPathInformation(pos, goal);
return(false);
}
}
else if (retargetPos || retargetGoal)
{
//CritterAI作者加的强制优化
theAgent.corridor.OptimizePathTopology(true);
mOptimizationTimer = OptimizationFrequency;
}
//最后重新记录位置就可以了
theAgent.desiredPosition = theAgent.corridor.Position;
theAgent.plannerGoal = theAgent.corridor.Target;
return(true & SetPathInformation(theAgent.desiredPosition, theAgent.plannerGoal));
}
private void HandleHit(RaycastHit hit)
{
if (Input.GetKeyDown(StdButtons.SelectA))
{
if (mPathStart.polyRef == 0 || mPathEnd.polyRef == 0)
{
NavmeshPoint point = GetNavmeshPoint(hit.point);
if (point.polyRef == 0)
{
return;
}
if (mPathStart.polyRef == 0)
{
mPathStart = point;
mCorridor.Reset(mPathStart);
return;
}
else
{
mPathEnd = point;
FindPath();
return;
}
}
else if (mPathCount > 0)
{
mCorridor.MovePosition(hit.point);
return;
}
}
else if (mPathCount > 0)
{
if (Input.GetKeyDown(StdButtons.SelectB))
{
mCorridor.MoveTarget(hit.point);
return;
}
else if (Input.GetKeyDown(StdButtons.SetA))
{
NavmeshPoint point = GetNavmeshPoint(hit.point);
if (point.polyRef != 0)
{
mPathEnd = point;
FindPath();
}
return;
}
else if (Input.GetKeyDown(StdButtons.SetB))
{
NavmeshPoint point = GetNavmeshPoint(hit.point);
if (point.polyRef != 0)
{
mPathStart = point;
FindPath();
}
return;
}
else if (Input.GetKeyDown(StdButtons.SetC))
{
NavmeshPoint point = GetNavmeshPoint(hit.point);
if (point.polyRef != 0)
{
mCorridor.OptimizePathVisibility(point.point, optimizationRange, true);
mOptimizeStart = mCorridor.Position.point;
mOptimizeEnd = point.point;
mOptimizeTimer = TimerLength;
}
}
}
}