IEnumerator TakePath()
{
bool stillTraveling = true;
Vector3 startPos = gameObject.transform.position, endPos = startPos;
Quaternion startAngle = gameObject.transform.rotation;
Quaternion endAngle = startAngle;
while (stillTraveling)
{
if (goingToHouse && curTile.Equals(destTile) || goingToStore && havePath && path.Count == 0)
{
stillTraveling = false;
}
else
{
if (!havePath)
{
// compute path from curTile to dest
if (goingToHouse)
{
path = scenarioInfo.ComputePath(curTile, this.destTile, true);
havePath = true;
}
else if (goingToStore)
{
havePath = GetPathToAllStores();
}
else
{
stillTraveling = false;
}
yield return(0);
}
if (path.Count == 0) // got no path: wait for the world to change
{
yield return(new WaitForSeconds(1));
}
else
{
IntPoint2D nextTile = path.Pop();
startPos = gameObject.transform.position;
ScenarioMgr.Direction nextFacing = facing;
//check validity of tile
if (!scenarioInfo.IsPassableTile(nextTile))
{
if (goingToHouse && nextTile.Equals(destTile) || goingToStore && havePath && path.Count == 0)
{
stillTraveling = false;
}
else if (goingToStore)
{
havePath = GetPathToStore();
}
else
{
havePath = false;
yield return(new WaitForSeconds(1));
}
}
else
{
// compute direction
if (curTile.xCoord > nextTile.xCoord)
{
nextFacing = ScenarioMgr.Direction.Left;
}
else if (curTile.xCoord < nextTile.xCoord)
{
nextFacing = ScenarioMgr.Direction.Right;
}
else if (curTile.yCoord > nextTile.yCoord)
{
nextFacing = ScenarioMgr.Direction.Up;
}
else if (curTile.yCoord < nextTile.yCoord)
{
nextFacing = ScenarioMgr.Direction.Down;
}
else
{
stillTraveling = false;
}
if (stillTraveling)
{
endPos = scenarioInfo.ComputeTopLeftPointOfTile(nextTile) + citizenTileOffset;
// compute ending position
switch (nextFacing)
{
case ScenarioMgr.Direction.Left:
endAngle = Quaternion.Euler(0, 180, 0);
break;
case ScenarioMgr.Direction.Up:
endAngle = Quaternion.Euler(0, 90, 0);
break;
case ScenarioMgr.Direction.Down:
endAngle = Quaternion.Euler(0, 270, 0);
break;
case ScenarioMgr.Direction.Right:
endAngle = Quaternion.Euler(0, 0, 0);
break;
}
float elapsedTime = 0;
if (facing != nextFacing)
{
// first handle the rotation
while (elapsedTime < this.turnTime)
{
this.gameObject.transform.rotation = Quaternion.Slerp(startAngle, endAngle, (elapsedTime / this.turnTime));
elapsedTime += Time.deltaTime;
yield return(0);
}
}
// move to tile
float moveTime = this.tileMoveTime;
if (!scenarioInfo.IsRoadTile(curTile))
{
moveTime = moveTime * 2;
}
elapsedTime = 0;
while (elapsedTime < moveTime)
{
this.gameObject.transform.position = Vector3.Lerp(startPos, endPos, (elapsedTime / moveTime));
elapsedTime += Time.deltaTime;
yield return(0);
}
// fix data for next tile
this.facing = nextFacing;
this.curTile = nextTile;
startPos = gameObject.transform.position;
startAngle = endAngle;
}
}
}
}
yield return(0);
}
Debug.Log("at destination");
if (movingIn && myHouse != null)
{
myHouse.RecordArrival();
}
else if (goingToHouse && myHouse != null && goods > 0)
{
myHouse.ReceiveResource2(goods);
}
if (goingToStore && destStore != null)
{
DoStoreStuff();
}
else
{
// done with this citizen
basket.SetActive(false);
Destroy(gameObject); // destroy me
}
}