public static void createCustomBrush()
{
GameObject tileParentObject = new GameObject();
if (YuME_mapEditor.selectedTiles.Count > 0)
{
// When creating a custom brush we need to find the lowest Z transform in the selection to become the pivot transform
GameObject bottomLevelOfSelection = YuME_mapEditor.selectedTiles[0];
foreach (GameObject checkObjects in YuME_mapEditor.selectedTiles)
{
if (checkObjects.transform.position.z < bottomLevelOfSelection.transform.position.z)
{
bottomLevelOfSelection = checkObjects;
}
}
// center the parent object around the lowest block to make sure all the selected brushes are centered around the parent
tileParentObject.transform.position = bottomLevelOfSelection.transform.position;
// Build the brush by finding the parent prefab, creating an instance and then setting it to the transform of the original scene prefab
foreach (GameObject tile in YuME_mapEditor.selectedTiles)
{
GameObject newBrushObject = (GameObject)PrefabUtility.InstantiatePrefab(PrefabUtility.GetPrefabParent(tile) as GameObject);
newBrushObject.transform.position = tile.transform.position;
newBrushObject.transform.eulerAngles = tile.transform.eulerAngles;
newBrushObject.transform.localScale = tile.transform.localScale;
newBrushObject.transform.parent = tileParentObject.transform;
}
// reset the parents position so it is zero when dropped in the scene
tileParentObject.transform.position = Vector3.zero;
// Add the prefab to the project
tileParentObject.name = "CustomBrush" + YuTools_Utils.numberOfFilesInFolder(YuME_mapEditor.availableTileSets[YuME_mapEditor.currentTileSetIndex].customBrushDestinationFolder, "*_YuME.prefab") + "_YuME.prefab";
string destinationPath = YuTools_Utils.getAssetPath(YuME_mapEditor.availableTileSets[YuME_mapEditor.currentTileSetIndex]) + "CustomBrushes/";
PrefabUtility.CreatePrefab(destinationPath + tileParentObject.name, tileParentObject);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh(); // refesh the asset database to tell unity changes have been made
// remove our temporary builder object
DestroyImmediate(tileParentObject);
YuME_mapEditor.selectedTiles.Clear();
// reload the custom brushes
YuME_mapEditor.loadCustomBrushes();
}
}
