private List <Chunk> GetBlockLightChangeChunks(Chunk chunk, int x, int y, int z, Block b, List <Chunk> list)
{
BlockAttributeCalculator calculator = BlockAttributeCalculatorFactory.GetCalculator(b.BlockType);
int curBlockLightLevel = calculator.LightLevel(b.ExtendId);
int blockLightLevel = chunk.GetBlockLight(x, y, z, true);
if (curBlockLightLevel > blockLightLevel)
{
int index = (x * Chunk.chunkDepth + z) * Chunk.chunkHeight + y;
LightSpreadNode node = NodeCache.Instance.GetSpreadNode(index, curBlockLightLevel, chunk);
_blockLightSpread.AddSpreadNode(node);
chunk.SetBlockLight(x, y, z, curBlockLightLevel, true);
}
else if (curBlockLightLevel < blockLightLevel)
{
int index = (x * Chunk.chunkDepth + z) * Chunk.chunkHeight + y;
LightShrinkNode node = NodeCache.Instance.GetShrinkNode(index, blockLightLevel, curBlockLightLevel, chunk);
_blockLightShrink.AddShrinkNode(node);
chunk.SetBlockLight(x, y, z, curBlockLightLevel, true);
}
List <Chunk> spreadList = _blockLightSpread.SpreadInChunk(chunk);
List <Chunk> shrinkList = _blockLightShrink.ShrinkInChunk(chunk);
for (int i = 0; i < spreadList.Count; i++)
{
if (!list.Contains(spreadList[i]))
{
list.Add(spreadList[i]);
}
}
for (int i = 0; i < shrinkList.Count; i++)
{
if (!list.Contains(shrinkList[i]))
{
list.Add(shrinkList[i]);
}
}
return(list);
}
public List <Chunk> ShrinkInChunk(Chunk chunk)
{
int nextX;
int nextY;
int nextZ;
Chunk nextChunk;
_changedList.Clear();
while (_lightBfsQueue.Count > 0)
{
LightShrinkNode node = _lightBfsQueue.Dequeue();
int y = node.index % Chunk.chunkHeight;
int temp = node.index / Chunk.chunkHeight;
int z = temp % Chunk.chunkDepth;
int x = temp / Chunk.chunkDepth;
Chunk nodeChunk = node.chunk;
int prevLightLevel = node.prevLightLevel;
int curLightLevel = node.lightLevel;
nextX = x - 1;
nextChunk = nodeChunk;
if (nextX < 0)
{
nextChunk = _world.GetChunk(nextX + nodeChunk.worldPos.x, y + nodeChunk.worldPos.y, z + nodeChunk.worldPos.z);
nextX = Chunk.chunkWidth - 1;
}
if (nextChunk != null && (nextChunk.isLightDataPrepared || nextChunk.worldPos.EqualOther(chunk.worldPos)))
{
ShrinkInPos(nextX, y, z, nextChunk, prevLightLevel, curLightLevel);
}
//x + 1
nextX = x + 1;
nextChunk = nodeChunk;
if (nextX >= Chunk.chunkWidth)
{
nextChunk = _world.GetChunk(nextX + nodeChunk.worldPos.x, y + nodeChunk.worldPos.y, z + nodeChunk.worldPos.z);
nextX = 0;
}
if (nextChunk != null && (nextChunk.isLightDataPrepared || nextChunk.worldPos.EqualOther(chunk.worldPos)))
{
ShrinkInPos(nextX, y, z, nextChunk, prevLightLevel, curLightLevel);
}
//z - 1
nextZ = z - 1;
nextChunk = nodeChunk;
if (nextZ < 0)
{
nextChunk = _world.GetChunk(x + nodeChunk.worldPos.x, y + nodeChunk.worldPos.y, nextZ + nodeChunk.worldPos.z);
nextZ = Chunk.chunkDepth - 1;
}
if (nextChunk != null && (nextChunk.isLightDataPrepared || nextChunk.worldPos.EqualOther(chunk.worldPos)))
{
ShrinkInPos(x, y, nextZ, nextChunk, prevLightLevel, curLightLevel);
}
//z + 1
nextZ = z + 1;
nextChunk = nodeChunk;
if (nextZ >= Chunk.chunkDepth)
{
nextChunk = _world.GetChunk(x + nodeChunk.worldPos.x, y + nodeChunk.worldPos.y, nextZ + nodeChunk.worldPos.z);
nextZ = 0;
}
if (nextChunk != null && (nextChunk.isLightDataPrepared || nextChunk.worldPos.EqualOther(chunk.worldPos)))
{
ShrinkInPos(x, y, nextZ, nextChunk, prevLightLevel, curLightLevel);
}
//y - 1
nextY = y - 1;
if (nextY >= 0)
{
ShrinkInPos(x, nextY, z, nodeChunk, prevLightLevel, curLightLevel);
}
// y + 1
nextY = y + 1;
if (nextY < Chunk.chunkHeight)
{
ShrinkInPos(x, nextY, z, nodeChunk, prevLightLevel, curLightLevel);
}
}
List <Chunk> spreadList = _lightSpread.SpreadInChunk(chunk);
for (int i = 0; i < spreadList.Count; i++)
{
if (!_changedList.Contains(spreadList[i]))
{
_changedList.Add(spreadList[i]);
}
}
return(_changedList);
}