/** Called when a NavmeshCut or NavmeshAdd is enabled */
void HandleOnEnableCallback(GNavmeshClipper obj)
{
var graphSpaceBounds = obj.GetBounds(handler.graph.transform);
var touchingTiles = handler.graph.GetTouchingTilesInGraphSpace(graphSpaceBounds);
handler.gcuts.Add(obj, touchingTiles);
obj.ForceUpdate();
}
void OnDisable()
{
if (handler != null)
{
GNavmeshClipper.RemoveEnableCallback(HandleOnEnableCallback, HandleOnDisableCallback);
forcedReloadRects.Clear();
handler.graph.OnRecalculatedTiles -= OnRecalculatedTiles;
}
}
/** Called when a NavmeshCut or NavmeshAdd is disabled */
void HandleOnDisableCallback(GNavmeshClipper obj)
{
var root = handler.gcuts.GetRoot(obj);
if (root != null)
{
forcedReloadRects.Add(root.previousBounds);
handler.gcuts.Remove(obj);
}
lastUpdateTime = float.NegativeInfinity;
}
/** Use the specified handler, will create one at start if not called */
public void UseSpecifiedHandler(TileHandler newHandler)
{
if (!enabled)
{
throw new System.InvalidOperationException("TileHandlerHelper is disabled");
}
if (handler != null)
{
GNavmeshClipper.RemoveEnableCallback(HandleOnEnableCallback, HandleOnDisableCallback);
handler.graph.OnRecalculatedTiles -= OnRecalculatedTiles;
}
handler = newHandler;
if (handler != null)
{
GNavmeshClipper.AddEnableCallback(HandleOnEnableCallback, HandleOnDisableCallback);
handler.graph.OnRecalculatedTiles += OnRecalculatedTiles;
}
}
