//if this platform is part of a path, this function set the previous and next transform
//public void SetNeighbouringWP(PathSection prev, PathSection next){
// prevNeighbouringWP=prev;
// nextNeighbouringWP=next;
//}
//check if building on particular point of the platform will block all possible route
//use brute force check to return a flag instantly. try find a more perfomance friendly solution
public bool CheckForBlock(Vector3 pos, int footprint)
{
float gridSize = BuildManager.GetGridSize();
bool blocked = false;
nextBuildNode = PathFinderTD.GetNearestNode(pos, nodeGraph);
//Debug.DrawLine(nextBuildNode.pos, nextBuildNode.pos+new Vector3(0, 2, 0), Color.red, 0.5f);
foreach (PathOnPlatform pathObj in pathObjects)
{
//Debug.Log("check path for "+pathObj.path);
//check if the start of end has been blocked
if (Vector3.Distance(pos, pathObj.startN.pos) < gridSize / 2)
{
return(true);
}
if (Vector3.Distance(pos, pathObj.endN.pos) < gridSize / 2)
{
return(true);
}
//check if the node is in currentPath, if not, then the node is buildable
//this is only applicable if pathSmoothing is off
if (!PathFinderTD.IsPathSmoothingOn())
{
bool inCurrentPath = false;
foreach (Vector3 pathPoint in pathObj.currentPath)
{
float dist = Vector3.Distance(pos, pathPoint);
if (dist < gridSize / 2)
{
inCurrentPath = true;
break;
}
}
if (inCurrentPath)
{
//the current node is in current path, check to see if there's other alternative path if this one's blocked
//while getting another path, cache it so it can be used later without redo the search
//use force instant search so the path is return immediately
pathObj.altPath = PathFinderTD.ForceSearch(pathObj.startN, pathObj.endN, nextBuildNode, nodeGraph, footprint);
if (pathObj.altPath.Count == 0)
{
blocked = true;
}
}
else
{
pathObj.altPath = pathObj.currentPath;
}
}
else
{
//the current node is in current path, check to see if there's other alternative path if this one's blocked
//while getting another path, cache it so it can be used later without redo the search
//use force instant search so the path is return immediately
pathObj.altPath = PathFinderTD.ForceSearch(pathObj.startN, pathObj.endN, nextBuildNode, nodeGraph, footprint);
if (pathObj.altPath.Count == 0)
{
blocked = true;
}
if (blocked)
{
break;
}
}
}
return(blocked);
/*
* float gridSize=BuildManager.GetGridSize();
*
* //check if the start of end has been blocked
* if(Vector3.Distance(pos, startN.pos)<gridSize/2) return true;
* if(Vector3.Distance(pos, endN.pos)<gridSize/2) return true;
*
* //check if the node is in currentPath, if not, then the node is buildable
* //this is only applicable if pathSmoothing is off
* if(!PathFinder.IsPathSmoothingOn()){
* bool InCurrentPath=false;
*
* foreach(Vector3 pathPoint in currentPath){
* float dist=Vector3.Distance(pos, pathPoint);
* if(dist<gridSize/2){
* InCurrentPath=true;
* break;
* }
* }
*
* if(!InCurrentPath) {
* //Debug.Log("not in current path ");
* return false;
* }
* }
*
*
* Debug.Log("calling pathfinder, check for block");
*
* //the current node is in current path, check to see if there's other alternative path if this one's blocked
* //while getting another path, cache it so it can be used later without redo the search
* nextBuildNode=PathFinder.GetNearestNode(pos, nodeGraph);
* //use force instant search so the path is return immediately
* altPath=PathFinder.ForceSearch(startN, endN, nextBuildNode, nodeGraph);
*
* if(altPath.Count>0) return false;
*/
//return true;
}
