public static void CombineMeshes(UnityEngine.GameObject[] gos)
{
if (gos != null)
{
MaterialMeshes lMaterialMeshes = new MaterialMeshes();
for (int i = 0; i < gos.Length; i++)
{
UnityEngine.GameObject MaterialRoot = gos[i];
for (int j = 0; j < MaterialRoot.transform.childCount; j++)
{
UnityEngine.GameObject go = MaterialRoot.transform.GetChild(j).gameObject;
MeshFilter lMeshFilter = go.GetComponent <MeshFilter>();
MeshRenderer lMeshRenderer = go.GetComponent <MeshRenderer>();
if (lMeshFilter && lMeshRenderer)
{
Mesh lMesh = lMeshFilter.sharedMesh;
Material lMaterial = lMeshRenderer.sharedMaterial;
if (lMesh && lMaterial)
{
lMaterialMeshes.Material = lMaterial;
lMaterialMeshes.Meshes.Add(lMesh);
lMaterialMeshes.MeshFilters.Add(lMeshFilter);
lMaterialMeshes.Transform.Add(lMeshFilter.transform.localToWorldMatrix);
}
}
}
//XOUtil.Display(MaterialRoot, false)
MaterialRoot.SetActive(false);
}
MergeMeshes(lMaterialMeshes, gos[0].transform.parent.gameObject);
}
}
private static UnityEngine.GameObject MergeMeshes(MaterialMeshes rMaterialMeshes, UnityEngine.GameObject mMergedParent)
{
if (rMaterialMeshes == null)
{
return(null);
}
if (rMaterialMeshes.Meshes.Count == 0)
{
return(null);
}
int lMeshCount = rMaterialMeshes.Meshes.Count;
// Determine the position of the new merged object
UnityEngine.Vector3 lCenter = UnityEngine.Vector3.zero;
for (int i = 0; i < lMeshCount; i++)
{
lCenter.x += rMaterialMeshes.Transform[i].m03;
lCenter.y += rMaterialMeshes.Transform[i].m13;
lCenter.z += rMaterialMeshes.Transform[i].m23;
}
lCenter /= lMeshCount;
// Create the list of meshes that will be merged
CombineInstance[] lMeshes = new CombineInstance[lMeshCount];
for (int i = 0; i < lMeshCount; i++)
{
// Ensure our meshes are positioned relative to the center
Matrix4x4 lMatrix = rMaterialMeshes.Transform[i];
lMatrix.m03 -= lCenter.x;
lMatrix.m13 -= lCenter.y;
lMatrix.m23 -= lCenter.z;
// Process sub meshes
lMeshes[i].transform = lMatrix;
lMeshes[i].mesh = rMaterialMeshes.Meshes[i];
}
// Create the object that will represent the new mesh
UnityEngine.GameObject lMergedObject = new UnityEngine.GameObject();
lMergedObject.name = "Merged Mesh:" + rMaterialMeshes.Meshes.Count;
lMergedObject.transform.position = lCenter;
// Combine the meshes in the new object
MeshFilter lMergedMeshFilter = lMergedObject.AddComponent(typeof(MeshFilter)) as MeshFilter;
lMergedMeshFilter.mesh = new Mesh();
lMergedMeshFilter.sharedMesh.name = "Merged Mesh of " + lMeshCount + " items";
lMergedMeshFilter.sharedMesh.CombineMeshes(lMeshes, true);
// Generate UV2 for lightmapping
Unwrapping.GenerateSecondaryUVSet(lMergedMeshFilter.sharedMesh);
// Set the material(s) for the new object
MeshRenderer lMergedMeshRenderer = lMergedObject.AddComponent(typeof(MeshRenderer)) as MeshRenderer;
lMergedMeshRenderer.sharedMaterial = rMaterialMeshes.Material;
// Assign the parent of the first selected object's parent
if (mMergedParent != null)
{
lMergedObject.transform.parent = mMergedParent.transform;
}
lMergedObject.isStatic = true;
XOCp_OptimizerHandler xoh = XOGloble.Root.GetComponent <XOCp_OptimizerHandler>();
if (xoh != null)
{
xoh.nlst.Add(lMergedObject);
}
// Return the newly created game object
return(lMergedObject);
}
