protected void ConvertMeshRenderDataToDynamicMeshData(EntityCommandBuffer ecb, Entity smrEntity, SkinnedMeshRenderer smr,
bool needSkinningData)
{
if (smr.dynamicMesh != Entity.Null)
{
return;
}
Entity meshEntity = smr.sharedMesh;
Entity dynamicMeshEntity = ecb.CreateEntity();
smr.dynamicMesh = dynamicMeshEntity;
ecb.SetComponent(smrEntity, smr);
if (EntityManager.HasComponent <LitMeshRenderData>(meshEntity))
{
LitMeshRenderData litMeshRenderData = EntityManager.GetComponentData <LitMeshRenderData>(meshEntity);
ref LitMeshData litMeshData = ref litMeshRenderData.Mesh.Value;
int indicesCount = litMeshData.Indices.Length;
int verticesCount = litMeshData.Vertices.Length;
DynamicMeshData dmd = new DynamicMeshData
{
Dirty = true,
IndexCapacity = indicesCount,
VertexCapacity = verticesCount,
NumIndices = indicesCount,
NumVertices = verticesCount,
UseDynamicGPUBuffer = true,
CopyFrom = needSkinningData ? meshEntity : Entity.Null
};
ecb.AddComponent(dynamicMeshEntity, dmd);
DynamicBuffer <DynamicLitVertex> dlvBuffer = ecb.AddBuffer <DynamicLitVertex>(dynamicMeshEntity);
dlvBuffer.ResizeUninitialized(verticesCount);
void *verticesPtr = litMeshData.Vertices.GetUnsafePtr();
byte *dlvBufferPtr = (byte *)dlvBuffer.GetUnsafePtr();
int vertexSize = UnsafeUtility.SizeOf <LitVertex>();
UnsafeUtility.MemCpy(dlvBufferPtr, verticesPtr, verticesCount * vertexSize);
DynamicBuffer <DynamicIndex> diBuffer = ecb.AddBuffer <DynamicIndex>(dynamicMeshEntity);
diBuffer.ResizeUninitialized(indicesCount);
void *indicesPtr = litMeshData.Indices.GetUnsafePtr();
void *dlBufferPtr = diBuffer.GetUnsafePtr();
int indexSize = UnsafeUtility.SizeOf <DynamicIndex>();
UnsafeUtility.MemCpy(dlBufferPtr, indicesPtr, indicesCount * indexSize);
}
public bool IsValidFor(DynamicMeshData dmd)
{
if (!IsValid())
{
return(false);
}
if (dmd.UseDynamicGPUBuffer != isDynamic)
{
return(false);
}
if (dmd.IndexCapacity != maxIndexCount)
{
return(false);
}
if (dmd.VertexCapacity != maxVertexCount)
{
return(false);
}
return(true);
}