/// <summary>
/// Combines selected gameobjects that have meshfilters to the lowest possible meshcount.
/// </summary>
private void Combine()
{
GameObject GO_Parent = Selection.gameObjects[0];
GameObject[] oldGameObjects = Selection.gameObjects;
Vector3 oldPosition = new Vector3(GO_Parent.transform.position.x, GO_Parent.transform.position.y, GO_Parent.transform.position.z);
// oldPositions.Clear();
// oldRotations.Clear();
// oldPositions = StoreOriginalPositions(oldGameObjects);
// oldRotations = StoreOriginalQuaternions(oldGameObjects);
Component[] filters = GetMeshFilters();
Matrix4x4 myTransform = GO_Parent.transform.worldToLocalMatrix;
Hashtable materialToMesh = new Hashtable();
for (int i = 0; i < filters.Length; i++)
{
MeshFilter filter = (MeshFilter)filters[i];
Renderer curRenderer = filters[i].GetComponent<Renderer>();
QT_MeshCombineUtility.MeshInstance instance = new QT_MeshCombineUtility.MeshInstance();
instance.mesh = filter.sharedMesh;
if (curRenderer != null && curRenderer.enabled && instance.mesh != null)
{
instance.transform = myTransform * filter.transform.localToWorldMatrix;
Material[] materials = curRenderer.sharedMaterials;
for (int m = 0; m < materials.Length; m++)
{
instance.subMeshIndex = System.Math.Min(m, instance.mesh.subMeshCount - 1);
ArrayList objects = (ArrayList)materialToMesh[materials[m]];
if (objects != null)
objects.Add(instance);
else
{
objects = new ArrayList();
objects.Add(instance);
materialToMesh.Add(materials[m], objects);
}
}
}
}
int nameCount = 1; //used for multimesh naming.
//for each material found
foreach (DictionaryEntry de in materialToMesh)
{
ArrayList elements = (ArrayList)de.Value;
QT_MeshCombineUtility.MeshInstance[] instances = (QT_MeshCombineUtility.MeshInstance[])elements.ToArray(typeof(QT_MeshCombineUtility.MeshInstance));
GameObject go = new GameObject("Combined Mesh");
if (keepLayer)
go.layer = GO_Parent.layer;
// transforms should be zeroed out, then reset when we place the new object em.
go.transform.localScale = Vector3.one;
go.transform.localRotation = GO_Parent.transform.localRotation;
go.transform.localPosition = Vector3.zero;
go.transform.position = Vector3.zero;
go.AddComponent(typeof(MeshFilter));
go.AddComponent<MeshRenderer>();
go.GetComponent<Renderer>().material = (Material)de.Key;
MeshFilter filter = (MeshFilter)go.GetComponent(typeof(MeshFilter));
filter.sharedMesh = QT_MeshCombineUtility.Combine(instances, false);
// filter.GetComponent<Renderer>().receiveShadows = receiveShadows;
// filter.GetComponent<Renderer>().castShadows = castShadows;
go.isStatic = isStatic;
if (isLightmapped)
Unwrapping.GenerateSecondaryUVSet(filter.sharedMesh);
if (addMeshCollider)
go.AddComponent<MeshCollider>();
//add the new object to our list.
newObjects.Add(go);
}
if (destroyAfterOptimized)
{
for (int x = 0; x < oldGameObjects.Length; x++)
DestroyImmediate(oldGameObjects[x]);
}
//if we found unique materials, make sure we name the GO's properly.
if (newObjects.Count > 1)
{
for (int x = 0; x < newObjects.Count; x++)
{
if (x > 0)
newObjects[x].name = newName + nameCount;
else
newObjects[0].name = newName;
nameCount++;
newObjects[x].transform.position = oldPosition;
}
}
else
{
newObjects[0].name = newName;
newObjects[0].transform.position = oldPosition;
}
if (createParentGO)
{
GameObject p = new GameObject(newName);
p.transform.position = oldPosition;
foreach (GameObject g in newObjects)
g.transform.parent = p.transform;
}
}
/// <summary>
/// Combines selected gameobjects that have meshfilters to the lowest possible meshcount.
/// </summary>
private void Combine()
{
GameObject GO_Parent = Selection.gameObjects[0];
GameObject[] oldGameObjects = Selection.gameObjects;
Vector3 oldPosition = new Vector3(GO_Parent.transform.position.x, GO_Parent.transform.position.y, GO_Parent.transform.position.z);
// oldPositions.Clear();
// oldRotations.Clear();
// oldPositions = StoreOriginalPositions(oldGameObjects);
// oldRotations = StoreOriginalQuaternions(oldGameObjects);
Component[] filters = GetMeshFilters();
Matrix4x4 myTransform = GO_Parent.transform.worldToLocalMatrix;
Hashtable materialToMesh = new Hashtable();
for (int i = 0; i < filters.Length; i++)
{
MeshFilter filter = (MeshFilter)filters[i];
Renderer curRenderer = filters[i].GetComponent <Renderer>();
QT_MeshCombineUtility.MeshInstance instance = new QT_MeshCombineUtility.MeshInstance();
instance.mesh = filter.sharedMesh;
if (curRenderer != null && curRenderer.enabled && instance.mesh != null)
{
instance.transform = myTransform * filter.transform.localToWorldMatrix;
Material[] materials = curRenderer.sharedMaterials;
for (int m = 0; m < materials.Length; m++)
{
instance.subMeshIndex = System.Math.Min(m, instance.mesh.subMeshCount - 1);
ArrayList objects = (ArrayList)materialToMesh[materials[m]];
if (objects != null)
{
objects.Add(instance);
}
else
{
objects = new ArrayList();
objects.Add(instance);
materialToMesh.Add(materials[m], objects);
}
}
}
}
int nameCount = 1; //used for multimesh naming.
//for each material found
foreach (DictionaryEntry de in materialToMesh)
{
ArrayList elements = (ArrayList)de.Value;
QT_MeshCombineUtility.MeshInstance[] instances = (QT_MeshCombineUtility.MeshInstance[])elements.ToArray(typeof(QT_MeshCombineUtility.MeshInstance));
GameObject go = new GameObject("Combined Mesh");
if (keepLayer)
{
go.layer = GO_Parent.layer;
}
// transforms should be zeroed out, then reset when we place the new object em.
go.transform.localScale = Vector3.one;
go.transform.localRotation = GO_Parent.transform.localRotation;
go.transform.localPosition = Vector3.zero;
go.transform.position = Vector3.zero;
go.AddComponent(typeof(MeshFilter));
go.AddComponent <MeshRenderer>();
go.GetComponent <Renderer>().material = (Material)de.Key;
MeshFilter filter = (MeshFilter)go.GetComponent(typeof(MeshFilter));
filter.sharedMesh = QT_MeshCombineUtility.Combine(instances, false);
// filter.GetComponent<Renderer>().receiveShadows = receiveShadows;
// filter.GetComponent<Renderer>().castShadows = castShadows;
go.isStatic = isStatic;
if (isLightmapped)
{
Unwrapping.GenerateSecondaryUVSet(filter.sharedMesh);
}
if (addMeshCollider)
{
go.AddComponent <MeshCollider>();
}
//add the new object to our list.
newObjects.Add(go);
}
if (destroyAfterOptimized)
{
for (int x = 0; x < oldGameObjects.Length; x++)
{
DestroyImmediate(oldGameObjects[x]);
}
}
//if we found unique materials, make sure we name the GO's properly.
if (newObjects.Count > 1)
{
for (int x = 0; x < newObjects.Count; x++)
{
if (x > 0)
{
newObjects[x].name = newName + nameCount;
}
else
{
newObjects[0].name = newName;
}
nameCount++;
newObjects[x].transform.position = oldPosition;
}
}
else
{
newObjects[0].name = newName;
newObjects[0].transform.position = oldPosition;
}
if (createParentGO)
{
GameObject p = new GameObject(newName);
p.transform.position = oldPosition;
foreach (GameObject g in newObjects)
{
g.transform.parent = p.transform;
}
}
}
