// Mesh chunk
private GameObject CreateMeshObj(_16x256x16VoxChunk chunk, MeshingMaterial meshingMaterial, MeshingMaterial coliderMeshingMaterial)
{
Mesh mesh = meshingMaterial.ToMesh();
Mesh coliderMesh = coliderMeshingMaterial.ToMesh();
return(CreateMeshObj(chunk, mesh, coliderMesh));
}
// 更新指定Chunk
private void UpdateChunk(_16x256x16VoxChunk chunk)
{
if (!HasTheChunk(chunk))
{
return;
}
MeshingMaterial meshMat = VoxTerrainMeshingTool.GreedyMeshing(chunk);
MeshingMaterial coliderMeshMat = VoxTerrainMeshingTool.GreedyMeshing_ColiderMesh(chunk);
Mesh mesh = meshMat.ToMesh();
Mesh coliderMesh = coliderMeshMat.ToMesh();
var oldMeshObj = GetMeshObj(chunk.UniqueID);
DestroyImmediate(oldMeshObj);
CreateMeshObj(chunk, mesh, coliderMesh);
}
// 区域更新:加载未加载区域内的chunks
private IEnumerator LoadChunks()
{
List <_16x256x16VoxChunk> loadChunks = new List <_16x256x16VoxChunk>();
foreach (var uniqueID in uniqueIDsInArea)
{
bool equal = false;
foreach (var chunk in chunksInLastArea)
{
if (uniqueID == chunk.UniqueID)
{
equal = true;
}
}
if (!equal) // 若uniqueID不在老区域内，则被加载
{
_16x256x16VoxChunk loadChunk = wtAsset.GetChunk(uniqueID);
if (loadChunk == null) // 若在wt文件中不存在，则重新创建一个
{
loadChunk = rule.GenerateVoxChunk(uniqueID);
}
loadChunks.Add(loadChunk);
}
}
foreach (var loadChunk in loadChunks)
{
chunksInLastArea.Add(loadChunk);
}
if (meshingThread == null)
{
meshingThread = new MeshingThread();
}
meshingThread.MeshingChunk = loadChunks;
meshingThread.Run();
int cur = 0;
while (cur < meshingThread.MeshingChunk.Count)
{
MeshingMaterial meshingMaterial = meshingThread.MeshingMaterials[cur];
MeshingMaterial coliderMeshingMaterial = meshingThread.ColiderMeshMaterials[cur];
if (meshingMaterial == null || coliderMeshingMaterial == null)
{
yield return(null);
}
else
{
CreateMeshObj(meshingThread.MeshingChunk[cur], meshingMaterial, coliderMeshingMaterial);
cur++;
}
}
IsMeshing = false;
}