public void Init(MCRScene scene)
{
clusterStride = Marshal.SizeOf <ClusterInfo>();
vertexStride = Marshal.SizeOf <VertexInfo>();
clusterList = new Unity.Collections.NativeArray <ClusterInfo>(ClusterCount, Unity.Collections.Allocator.Persistent);
vertexList = new Unity.Collections.NativeArray <VertexInfo>(VertexCount, Unity.Collections.Allocator.Persistent);
instanceCount = new uint[1];
indirectArgs = new List <uint> {
0, 0, 0, 0, 0
};
vertexBuffer = ComputeBufferPool.GetTempBuffer(VertexCount, vertexStride);
clusterBuffer = ComputeBufferPool.GetTempBuffer(ClusterCount, clusterStride);
cullResultBuffer = ComputeBufferPool.GetTempBuffer(ClusterCount, 4);
cullInstanceCountBuffer = ComputeBufferPool.GetTempBuffer(1, 4);
cullInstanceCountBuffer.SetData(instanceCount);
inDirectBuffer = ComputeBufferPool.GetIndirectBuffer();
ClusterInfoAssetsPath = MCRConstant.BakeAssetSavePath + "/" + ClusterInfoAssetsPath;
if (Application.platform == RuntimePlatform.WindowsEditor || Application.platform == RuntimePlatform.WindowsPlayer)
{
//ClusterInfoAssetsPath = MCRConstant.BakeAssetSavePath + "/" + ClusterInfoAssetsPath;
}
else
{
scene.StartCoroutine(LoadingBytes());
}
bLoadFinish = false;
bDestroyed = false;
}
private static void RenderScene(MCRScene scene)
{
if (scene)
{
scene.BeforeRender();
scene.Render();
scene.EndRender();
}
}
public static void AddToRenderList(MCRScene scene)
{
if (renderList.Contains(scene))
{
return;
}
renderList.Add(scene);
}
public static void RemoveFromRenderList(MCRScene scene)
{
renderList.Remove(scene);
}
void Bake()
{
GameObject parentRoot = GameObject.Find(MCRParentRoot);
if (!parentRoot)
{
return;
}
MeshFilter[] allFilters = parentRoot.GetComponentsInChildren <MeshFilter>();
if (allFilters.Length < 0)
{
return;
}
MCRScene mcrScene = parentRoot.GetComponent <MCRScene>();
if (!mcrScene)
{
mcrScene = parentRoot.AddComponent <MCRScene>();
}
string currentSceneName = UnityEngine.SceneManagement.SceneManager.GetActiveScene().name;
string fullSavedAssetsPath = MCRConstant.BakeAssetSavePath + "/" + currentSceneName + "_MCRBakeAsset" + ".mcr";
List <ClusterInfo> allClusterList = new List <ClusterInfo>();
List <VertexInfo> allVertexList = new List <VertexInfo>();
//提取cluster
foreach (MeshFilter mf in allFilters)
{
if (!mf.sharedMesh || !mf.gameObject.activeInHierarchy)
{
continue;
}
MeshRenderer render = mf.GetComponent <MeshRenderer>();
if (!render)
{
continue;
}
if (render.sharedMaterials.Length != mf.sharedMesh.subMeshCount)
{
Debug.LogError(mf.gameObject.name + "材质数量与submesh不匹配" + ",submeshcout:" + mf.sharedMesh.subMeshCount + ",材质数量:" + render.sharedMaterials.Length);
continue;
}
//if(mf.sharedMesh.subMeshCount > 1)
//{
// Debug.LogError("不支持多submesh的物体：" + mf.gameObject.name + ",submeshcout:" + mf.sharedMesh.subMeshCount);
// continue;
//}
List <Vector3> vertex = new List <Vector3>();
List <int> triangles = new List <int>();
List <Vector2> uv = new List <Vector2>();
List <Vector3> normal = new List <Vector3>();
List <Color> color = new List <Color>();
mf.sharedMesh.GetVertices(vertex);
mf.sharedMesh.GetUVs(0, uv);
mf.sharedMesh.GetColors(color);
mf.sharedMesh.GetNormals(normal);
//处理submesh
for (int k = 0; k < mf.sharedMesh.subMeshCount; k++)
{
triangles.Clear();
mf.sharedMesh.GetTriangles(triangles, k);
//读取三角形顶点信息
for (int i = 0; i < triangles.Count; i += 3)
{
VertexInfo vertex1 = new VertexInfo();
int index0 = triangles[i];
vertex1.worldPos = mf.transform.localToWorldMatrix.MultiplyPoint(vertex[index0]);
vertex1.worldNormal = mf.transform.localToWorldMatrix.MultiplyVector(normal[index0]);
vertex1.UV0 = uv[index0];
//看看有没有顶点色
if (color.Count > 0)
{
vertex1.Color = new float4(color[index0].r, color[index0].g, color[index0].b, color[index0].a);
}
allVertexList.Add(vertex1);
VertexInfo vertex2 = new VertexInfo();
int index1 = triangles[i + 1];
vertex2.worldPos = mf.transform.localToWorldMatrix.MultiplyPoint(vertex[index1]);
vertex2.worldNormal = mf.transform.localToWorldMatrix.MultiplyVector(normal[index1]);
vertex2.UV0 = uv[index1];
//看看有没有顶点色
if (color.Count > 0)
{
vertex2.Color = new float4(color[index1].r, color[index1].g, color[index1].b, color[index1].a);
}
allVertexList.Add(vertex2);
VertexInfo vertex3 = new VertexInfo();
int index2 = triangles[i + 2];
vertex3.worldPos = mf.transform.localToWorldMatrix.MultiplyPoint(vertex[index2]);
vertex3.worldNormal = mf.transform.localToWorldMatrix.MultiplyVector(normal[index2]);
vertex3.UV0 = uv[index2];
//看看有没有顶点色
if (color.Count > 0)
{
vertex3.Color = new float4(color[index2].r, color[index2].g, color[index2].b, color[index2].a);
}
allVertexList.Add(vertex3);
//完成了一个Cluster所需要的顶点数
if ((allVertexList.Count % MCRConstant.CLUSTER_VERTEX_COUNT) == 0 && allVertexList.Count > 0)
{
allClusterList.Add(BuildCluster(allVertexList));
}
}
}
}
int packCout = allVertexList.Count - (MCRConstant.CLUSTER_VERTEX_COUNT * allClusterList.Count);
//完了之后看看顶点数是否刚好够，不够的话，补上去
if (packCout > 0)
{
int dt = MCRConstant.CLUSTER_VERTEX_COUNT - packCout;
for (int i = 0; i < dt; i++)
{
VertexInfo info = allVertexList[allVertexList.Count - 1];
allVertexList.Add(info);
}
allClusterList.Add(BuildCluster(allVertexList));
}
AddRedundancyCluster(allClusterList);
//保存cluster
SaveClustetInfo(allClusterList, allVertexList, fullSavedAssetsPath);
mcrScene.context.ClusterInfoAssetsPath = fullSavedAssetsPath.Replace(MCRConstant.BakeAssetSavePath + "/", string.Empty);
mcrScene.context.ClusterCount = allClusterList.Count;
mcrScene.context.VertexCount = allVertexList.Count;
}
