void OnSceneGUI()
{
if (tgs == null || Application.isPlaying || !tgs.enableGridEditor)
{
return;
}
if (tgs.terrain != null)
{
// prevents terrain from being selected
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(FocusType.Passive));
}
Event e = Event.current;
bool gridHit = tgs.CheckRay(HandleUtility.GUIPointToWorldRay(e.mousePosition));
if (cellHighlightedIndex != tgs.cellHighlightedIndex)
{
cellHighlightedIndex = tgs.cellHighlightedIndex;
SceneView.RepaintAll();
}
int controlID = GUIUtility.GetControlID(FocusType.Passive);
EventType eventType = e.GetTypeForControl(controlID);
if ((eventType == EventType.MouseDown && e.button == 0) || (eventType == EventType.MouseMove && e.shift))
{
if (gridHit)
{
e.Use();
}
if (cellHighlightedIndex < 0)
{
return;
}
if (!e.shift && cellSelectedIndices.Contains(cellHighlightedIndex))
{
cellSelectedIndices.Remove(cellHighlightedIndex);
}
else
{
if (!e.shift || (e.shift && !cellSelectedIndices.Contains(cellHighlightedIndex)))
{
if (!e.shift && !e.control)
{
cellSelectedIndices.Clear();
}
cellSelectedIndices.Add(cellHighlightedIndex);
if (textureMode > 0)
{
tgs.CellToggleRegionSurface(cellHighlightedIndex, true, Color.white, false, textureMode);
SceneView.RepaintAll();
}
if (cellHighlightedIndex >= 0)
{
cellTerritoryIndex = tgs.CellGetTerritoryIndex(cellHighlightedIndex);
cellColor = tgs.CellGetColor(cellHighlightedIndex);
if (cellColor.a == 0)
{
cellColor = Color.white;
}
cellTextureIndex = tgs.CellGetTextureIndex(cellHighlightedIndex);
cellTag = tgs.CellGetTag(cellHighlightedIndex);
}
}
}
EditorUtility.SetDirty(target);
}
int count = cellSelectedIndices.Count;
for (int k = 0; k < count; k++)
{
int index = cellSelectedIndices [k];
Vector3 pos = tgs.CellGetPosition(index);
Handles.color = colorSelection;
// Handle size
Rect rect = tgs.CellGetRect(index);
Vector3 min = tgs.transform.TransformPoint(rect.min);
Vector3 max = tgs.transform.TransformPoint(rect.max);
float dia = Vector3.Distance(min, max);
float handleSize = dia * 0.05f;
Handles.DrawSolidDisc(pos, tgs.transform.forward, handleSize);
}
}