/**
* initiate navigation map
*/
public void initNavigationMap()
{
calculatedPaths = new Dictionary <((int, int), (int, int)), List <NodeItem> >();
for (int i = 0; i < WallMarks.transform.childCount; i++)
{
Destroy(WallMarks.transform.GetChild(i).gameObject);
}
for (int i = 0; i < PathMarks.transform.childCount; i++)
{
PathMarks.transform.GetChild(i).gameObject.SetActive(false);
}
w = Mathf.RoundToInt(tilemapEnd.x - tilemapStart.x + 1);
h = Mathf.RoundToInt(tilemapEnd.y - tilemapStart.y + 1);
map = new NodeItem[w, h];
CompositeCollider2D wallCollider = wall.GetComponent <CompositeCollider2D>();
CompositeCollider2D floorCollider = GetComponent <CompositeCollider2D>();
CompositeCollider2D pitCollider = pit.GetComponent <CompositeCollider2D>();
// write unwalkable node
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
Vector2 pos = new Vector2(tilemapStart.x + x, tilemapStart.y + y);
// check walkable or not
bool isWall = wallCollider.OverlapPoint(pos + new Vector2(0.5f, 0.5f));
bool isPit = pitCollider.OverlapPoint(pos + new Vector2(0.5f, 0.5f));
int nearWall = 0;
bool nearPit = false;
// print("isWall: " + isWall.ToString());
for (int i = 0; i < 3; ++i)
{
for (int j = 0; j < 3; ++j)
{
if (!(i == 1 && j == 1))
{
if (wallCollider.OverlapPoint(pos + new Vector2(0.5f + i - 1, 0.5f + j - 1)))
{
++nearWall;
}
}
nearPit = nearPit || pitCollider.OverlapPoint(pos + new Vector2(0.5f + i - 1, 0.5f + j - 1));
}
}
// print("nearWall: " + nearWall.ToString());
// new a node
map [x, y] = NodeItem.init(isWall || isPit, pos, x, y, 100000);
if (floorCollider.OverlapPoint(pos + new Vector2(0.5f, 0.5f)))
{
// print("Setting floor cost...");
if (nearWall > 0 || nearPit)
{
if (nearWall > 1)
{
map[x, y].cost = GetComponent <NodeCost>().cost *nearWallCost;
}
else
{
map[x, y].cost = GetComponent <NodeCost>().cost;
}
if (nearPit)
{
map[x, y].cost = GetComponent <NodeCost>().cost *nearWallCost;
}
}
else if (!(isWall || isPit))
{
map[x, y].cost = GetComponent <NodeCost>().cost;
}
}
// mark unwalkable node
if ((nearWall > 1 || nearPit) && !(isWall || isPit) && showWallMark && WallMark)
{
GameObject obj = Instantiate(WallMark, new Vector3(pos.x + 0.5f, pos.y + 0.5f, 0), Quaternion.identity);
obj.transform.SetParent(WallMarks.transform);
}
}
}
}
