private void NextStep(int count = 0)
{
stepCount++;
nextStepTimer = nextStepCooldown;
if (goalTile == null || startTile == null)
{
doAutoStepThrough = false;
return;
}
if (pathfinder == null)
{
pathfinder = new Pathfinder(tilegraph.Nodes[startTile], tilegraph.Nodes[goalTile]);
tilePath = null;
stepCount = 0;
}
pathfinder.ExecutePathfindingStep();
if (pathfinder.HasFoundPath)
{
tilePath = pathfinder.Path;
}
foreach (Node <Tile> node in tilegraph.Nodes.Values)
{
GameObject tileGameObject = tileGameObjects[node.Data];
TileInstance tileInstance = tileGameObject.GetComponent <TileInstance>();
SpriteRenderer spriteRenderer = tileGameObject.GetComponent <SpriteRenderer>();
if (tilePath != null)
{
if (tilePath.Contains(node.Data))
{
tileInstance.Node = null;
if (node.Data == startTile || node.Data == goalTile)
{
continue;
}
spriteRenderer.color = Color.blue;
}
else
{
ResetTileVisuals(node, tileInstance, spriteRenderer);
}
}
else
{
if (pathfinder.IsInOpenSet(node))
{
SetTileVisuals(node, tileInstance, spriteRenderer, OpenSetTileColour);
}
else if (pathfinder.IsInClosedSet(node))
{
SetTileVisuals(node, tileInstance, spriteRenderer, ClosedSetTileColour);
}
else
{
ResetTileVisuals(node, tileInstance, spriteRenderer);
}
}
}
if (!pathfinder.HasFoundPath && !pathfinder.SearchIsComplete)
{
if (doAutoStepThrough && count > 0)
{
NextStep(--count);
}
return;
}
pathfinder = null;
doAutoStepThrough = false;
Debug.Log($"Found path in {stepCount} steps");
}
