public static GameObject CombineMeshes(
bool processObjectsByTag = false,
string rmbTag = null,
bool processObjectsByLayer = false,
int rmbLayer = 0,
bool destroyOriginalObjects = false,
bool keepOriginalObjectReferences = false,
bool combineByGrid = false,
MeshBatcherGridType gridType = MeshBatcherGridType.Grid2D,
float gridSize = 0)
{
// Build Objects List
var objectsToBatch = new List <GameObject>();
// Add objects by tag
if (processObjectsByTag && rmbTag != null)
{
objectsToBatch.AddRange(GameObject.FindGameObjectsWithTag(rmbTag));
}
// Add objects by layer
if (processObjectsByLayer)
{
GameObject[] allGameObjects = Object.FindObjectsOfType <GameObject>();
for (int i = 0; i < allGameObjects.Length; i++)
{
GameObject go = allGameObjects[i];
if (go.layer == rmbLayer)
{
objectsToBatch.Add(go);
}
}
}
return(CombineMeshes(objectsToBatch.ToArray(), destroyOriginalObjects, keepOriginalObjectReferences, combineByGrid, gridType, gridSize));
}
public static GameObject CombineMeshes(
GameObject[] objectsToBatch, bool destroyOriginalObjects = false, bool keepOriginalObjectReferences = false, bool combineByGrid = false,
MeshBatcherGridType gridType = MeshBatcherGridType.Grid2D,
float gridSize = 0)
{
if (objectsToBatch == null || objectsToBatch.Length == 0)
{
Debug.LogWarning("Runtime Mesh Batcher warning: no objects found to be combined.");
return(null);
}
GameObject combinedMeshParent;
if (combineByGrid && gridSize <= 0)
{
Debug.LogWarning("Runtime Mesh Batcher warning: Grid Size must be superior to 0. Continuing batching without grid.");
combineByGrid = false;
}
if (combineByGrid)
{
var objectsByCell = new Dictionary <string, List <GameObject> >();
switch (gridType)
{
case MeshBatcherGridType.Grid2D:
foreach (var gameObject in objectsToBatch)
{
var position = gameObject.transform.position;
var xIndex = GetGridIndex(position.x, gridSize);
var zIndex = GetGridIndex(position.z, gridSize);
string key = xIndex + "_" + zIndex;
if (!objectsByCell.ContainsKey(key))
{
objectsByCell[key] = new List <GameObject>();
}
objectsByCell[key].Add(gameObject);
}
break;
case MeshBatcherGridType.Grid3D:
foreach (var gameObject in objectsToBatch)
{
var position = gameObject.transform.position;
var xIndex = GetGridIndex(position.x, gridSize);
var yIndex = GetGridIndex(position.y, gridSize);
var zIndex = GetGridIndex(position.z, gridSize);
string key = xIndex + "_" + yIndex + "_" + zIndex;
if (!objectsByCell.ContainsKey(key))
{
objectsByCell[key] = new List <GameObject>();
}
objectsByCell[key].Add(gameObject);
}
break;
}
combinedMeshParent = CreateParent();
foreach (var gameObjects in objectsByCell.Values)
{
var combinedMesh = CreateStaticMesh(gameObjects.ToArray(), destroyOriginalObjects, true);
SetParent(combinedMesh, combinedMeshParent);
}
}
else
{
combinedMeshParent = CreateStaticMesh(objectsToBatch, destroyOriginalObjects);
}
if (keepOriginalObjectReferences)
{
if (originalObjetReferences == null)
{
originalObjetReferences = new Dictionary <GameObject, GameObject[]>();
}
originalObjetReferences[combinedMeshParent] = objectsToBatch;
}
return(combinedMeshParent);
}
