private static void MakeBatch(List <MeshSubsetCombineUtility.MeshContainer> meshes, Transform staticBatchRootTransform, int batchIndex)
{
if (meshes.Count >= 2)
{
List <MeshSubsetCombineUtility.MeshInstance> list = new List <MeshSubsetCombineUtility.MeshInstance>();
List <MeshSubsetCombineUtility.SubMeshInstance> list2 = new List <MeshSubsetCombineUtility.SubMeshInstance>();
foreach (MeshSubsetCombineUtility.MeshContainer mesh2 in meshes)
{
MeshSubsetCombineUtility.MeshContainer current = mesh2;
list.Add(current.instance);
list2.AddRange(current.subMeshInstances);
}
string str = "Combined Mesh";
str = str + " (root: " + ((!(staticBatchRootTransform != null)) ? "scene" : staticBatchRootTransform.name) + ")";
if (batchIndex > 0)
{
str = str + " " + (batchIndex + 1);
}
Mesh mesh = StaticBatchingHelper.InternalCombineVertices(list.ToArray(), str);
StaticBatchingHelper.InternalCombineIndices(list2.ToArray(), mesh);
int num = 0;
foreach (MeshSubsetCombineUtility.MeshContainer mesh3 in meshes)
{
MeshSubsetCombineUtility.MeshContainer current2 = mesh3;
MeshFilter meshFilter = (MeshFilter)current2.gameObject.GetComponent(typeof(MeshFilter));
meshFilter.sharedMesh = mesh;
int num2 = current2.subMeshInstances.Count();
Renderer component = current2.gameObject.GetComponent <Renderer>();
component.SetStaticBatchInfo(num, num2);
component.staticBatchRootTransform = staticBatchRootTransform;
component.enabled = false;
component.enabled = true;
MeshRenderer meshRenderer = component as MeshRenderer;
if (meshRenderer != null)
{
meshRenderer.additionalVertexStreams = null;
}
num += num2;
}
}
}
public static void CombineGameObjects(GameObject[] gos, GameObject staticBatchRoot, bool isEditorPostprocessScene)
{
Matrix4x4 lhs = Matrix4x4.identity;
Transform staticBatchRootTransform = null;
if (staticBatchRoot)
{
lhs = staticBatchRoot.transform.worldToLocalMatrix;
staticBatchRootTransform = staticBatchRoot.transform;
}
int batchIndex = 0;
int num = 0;
List <MeshSubsetCombineUtility.MeshContainer> list = new List <MeshSubsetCombineUtility.MeshContainer>();
Array.Sort(gos, new InternalStaticBatchingUtility.SortGO());
foreach (GameObject gameObject in gos)
{
MeshFilter meshFilter = gameObject.GetComponent(typeof(MeshFilter)) as MeshFilter;
if (!(meshFilter == null))
{
Mesh sharedMesh = meshFilter.sharedMesh;
if (!(sharedMesh == null) && (isEditorPostprocessScene || sharedMesh.canAccess))
{
Renderer component = meshFilter.GetComponent <Renderer>();
if (!(component == null) && component.enabled)
{
if (component.staticBatchIndex == 0)
{
Material[] array = component.sharedMaterials;
if (!array.Any((Material m) => m != null && m.shader != null && m.shader.disableBatching != DisableBatchingType.False))
{
int vertexCount = sharedMesh.vertexCount;
if (vertexCount != 0)
{
MeshRenderer meshRenderer = component as MeshRenderer;
if (meshRenderer != null && meshRenderer.additionalVertexStreams != null)
{
if (vertexCount != meshRenderer.additionalVertexStreams.vertexCount)
{
goto IL_387;
}
}
if (num + vertexCount > 64000)
{
InternalStaticBatchingUtility.MakeBatch(list, staticBatchRootTransform, batchIndex++);
list.Clear();
num = 0;
}
MeshSubsetCombineUtility.MeshInstance instance = default(MeshSubsetCombineUtility.MeshInstance);
instance.meshInstanceID = sharedMesh.GetInstanceID();
instance.rendererInstanceID = component.GetInstanceID();
if (meshRenderer != null && meshRenderer.additionalVertexStreams != null)
{
instance.additionalVertexStreamsMeshInstanceID = meshRenderer.additionalVertexStreams.GetInstanceID();
}
instance.transform = lhs * meshFilter.transform.localToWorldMatrix;
instance.lightmapScaleOffset = component.lightmapScaleOffset;
instance.realtimeLightmapScaleOffset = component.realtimeLightmapScaleOffset;
MeshSubsetCombineUtility.MeshContainer item = new MeshSubsetCombineUtility.MeshContainer
{
gameObject = gameObject,
instance = instance,
subMeshInstances = new List <MeshSubsetCombineUtility.SubMeshInstance>()
};
list.Add(item);
if (array.Length > sharedMesh.subMeshCount)
{
Debug.LogWarning(string.Concat(new object[]
{
"Mesh '",
sharedMesh.name,
"' has more materials (",
array.Length,
") than subsets (",
sharedMesh.subMeshCount,
")"
}), component);
Material[] array2 = new Material[sharedMesh.subMeshCount];
for (int j = 0; j < sharedMesh.subMeshCount; j++)
{
array2[j] = component.sharedMaterials[j];
}
component.sharedMaterials = array2;
array = array2;
}
for (int k = 0; k < Math.Min(array.Length, sharedMesh.subMeshCount); k++)
{
MeshSubsetCombineUtility.SubMeshInstance item2 = default(MeshSubsetCombineUtility.SubMeshInstance);
item2.meshInstanceID = meshFilter.sharedMesh.GetInstanceID();
item2.vertexOffset = num;
item2.subMeshIndex = k;
item2.gameObjectInstanceID = gameObject.GetInstanceID();
item2.transform = instance.transform;
item.subMeshInstances.Add(item2);
}
num += sharedMesh.vertexCount;
}
}
}
}
}
}
IL_387 :;
}
InternalStaticBatchingUtility.MakeBatch(list, staticBatchRootTransform, batchIndex);
}
static public void CombineGameObjects(GameObject[] gos, UnityEngine.GameObject staticBatchRoot, bool isEditorPostprocessScene)
{
Matrix4x4 staticBatchInverseMatrix = Matrix4x4.identity;
Transform staticBatchRootTransform = null;
if (staticBatchRoot)
{
staticBatchInverseMatrix = staticBatchRoot.transform.worldToLocalMatrix;
staticBatchRootTransform = staticBatchRoot.transform;
}
int batchIndex = 0;
int verticesInBatch = 0;
List <MeshSubsetCombineUtility.MeshContainer> meshes = new List <MeshSubsetCombineUtility.MeshContainer>();
Array.Sort(gos, new SortGO());
foreach (GameObject go in gos)
{
MeshFilter filter = go.GetComponent(typeof(MeshFilter)) as MeshFilter;
if (filter == null)
{
continue;
}
Mesh instanceMesh = filter.sharedMesh;
// reject if has no mesh or (mesh not readable and not called from Editor PostprocessScene.cs)
// Editor is allowed to modify meshes even if they are marked as read-only e.g. Applicatiopn.LoadLevel() called from a script inside the editor player
if (instanceMesh == null || (!isEditorPostprocessScene && !instanceMesh.canAccess))
{
continue;
}
Renderer renderer = filter.GetComponent <Renderer>();
// reject if has not renderer or renderer is disabled
if (renderer == null || !renderer.enabled)
{
continue;
}
// reject if already combined for static batching
if (renderer.staticBatchIndex != 0)
{
continue;
}
Material[] materials = renderer.sharedMaterials;
// reject if any of the material's shader is using DisableBatching tag
if (materials.Any(m => m != null && m.shader != null && m.shader.disableBatching != DisableBatchingType.False))
{
continue;
}
int vertexCount = instanceMesh.vertexCount;
// Use same tests as MeshCombiner::IsMeshBatchable to stay consistent with C++ code
if (vertexCount == 0)
{
continue;
}
MeshRenderer meshRenderer = renderer as MeshRenderer;
if ((meshRenderer != null) && (meshRenderer.additionalVertexStreams != null))
{
if (vertexCount != meshRenderer.additionalVertexStreams.vertexCount)
{
continue;
}
}
// check if we have enough space inside the current batch
if (verticesInBatch + vertexCount > MaxVerticesInBatch)
{
MakeBatch(meshes, staticBatchRootTransform, batchIndex++);
meshes.Clear();
verticesInBatch = 0;
}
MeshSubsetCombineUtility.MeshInstance instance = new MeshSubsetCombineUtility.MeshInstance();
instance.meshInstanceID = instanceMesh.GetInstanceID();
instance.rendererInstanceID = renderer.GetInstanceID();
if (meshRenderer != null && meshRenderer.additionalVertexStreams != null)
{
instance.additionalVertexStreamsMeshInstanceID = meshRenderer.additionalVertexStreams.GetInstanceID();
}
instance.transform = staticBatchInverseMatrix * filter.transform.localToWorldMatrix;
instance.lightmapScaleOffset = renderer.lightmapScaleOffset;
instance.realtimeLightmapScaleOffset = renderer.realtimeLightmapScaleOffset;
MeshSubsetCombineUtility.MeshContainer mesh = new MeshSubsetCombineUtility.MeshContainer();
mesh.gameObject = go;
mesh.instance = instance;
mesh.subMeshInstances = new List <MeshSubsetCombineUtility.SubMeshInstance>();
//;;Debug.Log("New static mesh (" + go.name + ")verts: " + instanceMesh.vertexCount +
// ", tris: " + instanceMesh.triangles.Length +
// ", materials: " + renderer.sharedMaterials.Length +
// ", subs: " + instanceMesh.subMeshCount
// );
meshes.Add(mesh);
if (materials.Length > instanceMesh.subMeshCount)
{
Debug.LogWarning("Mesh '" + instanceMesh.name + "' has more materials (" + materials.Length + ") than subsets (" + instanceMesh.subMeshCount + ")", renderer);
// extra materials don't have a meaning and it screws the rendering as Unity
// tries to render with those extra materials.
Material[] newMats = new Material[instanceMesh.subMeshCount];
for (int i = 0; i < instanceMesh.subMeshCount; ++i)
{
newMats[i] = renderer.sharedMaterials[i];
}
renderer.sharedMaterials = newMats;
materials = newMats;
}
for (int m = 0; m < System.Math.Min(materials.Length, instanceMesh.subMeshCount); ++m)
{
//;;Debug.Log(" new subset : " + m + ", tris " + instanceMesh.GetTriangles(m).Length);
MeshSubsetCombineUtility.SubMeshInstance subMeshInstance = new MeshSubsetCombineUtility.SubMeshInstance();
subMeshInstance.meshInstanceID = filter.sharedMesh.GetInstanceID();
subMeshInstance.vertexOffset = verticesInBatch;
subMeshInstance.subMeshIndex = m;
subMeshInstance.gameObjectInstanceID = go.GetInstanceID();
subMeshInstance.transform = instance.transform;
mesh.subMeshInstances.Add(subMeshInstance);
}
verticesInBatch += instanceMesh.vertexCount;
}
MakeBatch(meshes, staticBatchRootTransform, batchIndex);
}
