IEnumerator buildMesh(Chunk c, Chunk.renderChunkDelegate callback)
{
/*
#region CoroutineObject No Stacking
* List<CoroutineObject> others = new List<CoroutineObject> (0);
* foreach (GameObject g in GameObject.FindGameObjectsWithTag("CoroutineObject")) {
* if (g != this.gameObject) {
* others.Add(g.GetComponent<CoroutineObject>());
* }
* }
* bool needsToWait = true;
* while(needsToWait) {
* int numRunning = 0;
* foreach(CoroutineObject co in others) {
* if(co.isRunning) {
* numRunning++;
* }
* }
*
* if(numRunning > maxNumRunning) {
* needsToWait = true;
* } else {
* needsToWait = false;
* }
*
* if(needsToWait) {
* yield return null;
* }
* }
#endregion
*/
isRunning = true;
float time = 0.0f;
ChunkMeshObject cmo = null;
bool done = false;
Thread thread = new Thread(() => {
cmo = ChunkMeshBuilder.BuildMesh(c);
done = true;
});
thread.Start();
while (!done && time < timeout)
{
yield return(new WaitForEndOfFrame());
time += Time.deltaTime;
}
if (time >= timeout)
{
BuildMesh(c, callback);
thread.Abort();
print("CoroutineObject timed out building mesh. Retrying...");
yield break;
}
callback.Invoke(cmo);
Destroy(this.gameObject);
}
public void UpdateMesh()
{
if (ChunkData is null)
{
return;
}
if (player is null)
{
Start();
}
meshBuilder = new ChunkMeshBuilder();
ChunkData.ForEach((x, y, z) =>
{
if (!ChunkData.Blocks[x, y, z].GetBlockType().Renderable)
{
return;
}
Vector3 vector = new Vector3(x, y, z);
bool[] renderFace = new bool[6] {
false, false, false, false, false, false
};
long index = GetChunkIndex(ChunkData.ChunkPos);
// Top
renderFace[0] = y == ChunkY - 1 || !ChunkData.Blocks[x, y + 1, z].GetBlockType().Solid;
// Front
if (z != 0)
{
renderFace[1] = !ChunkData.Blocks[x, y, z - 1].GetBlockType().Solid;
}
else if (Chunks.ContainsKey(index - MaxChunkCount))
{
renderFace[1] = !Chunks[index - MaxChunkCount].Blocks[x, y, ChunkZ - 1].GetBlockType().Solid;
}
// Left
if (x != 0)
{
renderFace[2] = !ChunkData.Blocks[x - 1, y, z].GetBlockType().Solid;
}
else if (Chunks.ContainsKey(index - 1))
{
renderFace[2] = !Chunks[index - 1].Blocks[ChunkX - 1, y, z].GetBlockType().Solid;
}
// Right
if (x != ChunkX - 1)
{
renderFace[3] = !ChunkData.Blocks[x + 1, y, z].GetBlockType().Solid;
}
else if (Chunks.ContainsKey(index + 1))
{
renderFace[3] = !Chunks[index + 1].Blocks[0, y, z].GetBlockType().Solid;
}
// Back
if (z != ChunkZ - 1)
{
renderFace[4] = !ChunkData.Blocks[x, y, z + 1].GetBlockType().Solid;
}
else if (Chunks.ContainsKey(index + MaxChunkCount))
{
renderFace[4] = !Chunks[index + MaxChunkCount].Blocks[x, y, 0].GetBlockType().Solid;
}
// Bottom
renderFace[5] = y == 0 || !ChunkData.Blocks[x, y - 1, z].GetBlockType().Solid;
for (int i = 0; i < 6; i++)
{
if (renderFace[i])
{
meshBuilder.AddFace(i, vector, ChunkData.Blocks[x, y, z]);
}
}
});
Mesh mesh = meshBuilder.BuildMesh();
GetComponent <MeshFilter>().mesh = mesh;
GetComponent <MeshCollider>().sharedMesh = mesh;
GetComponent <MeshRenderer>().material = PackedMaterial;
}