private void SpreadInChunk(Chunk chunk)
{
int sunLightLevel;
for (int x = 0; x < Chunk.chunkWidth; x++)
{
bool isXInRange = (x != 0 && x != Chunk.chunkWidth - 1);
for (int z = 0; z < Chunk.chunkDepth; z++)
{
bool isZInRange = (z != 0 && z != Chunk.chunkDepth - 1);
int height = chunk.GetHeight(x, z, true);
int leftHeight = chunk.GetHeight(x - 1, z, isXInRange);
int rightHeight = chunk.GetHeight(x + 1, z, isXInRange);
int frontHeight = chunk.GetHeight(x, z + 1, isZInRange);
int backHeight = chunk.GetHeight(x, z - 1, isZInRange);
int maxHeight = GetMax(height, leftHeight, rightHeight, frontHeight, backHeight);
for (int y = Chunk.chunkHeight - 1; y >= 0; y--)
{
if (y <= maxHeight)
{
sunLightLevel = chunk.GetSunLight(x, y, z, true);
if (sunLightLevel <= 0)
{
break;
}
int index = (x * Chunk.chunkDepth + z) * Chunk.chunkHeight + y;
LightSpreadNode node = NodeCache.Instance.GetSpreadNode(index, sunLightLevel, chunk);
_lightSpread.AddSpreadNode(node);
}
}
}
}
}
public void SaveSpreadNode(LightSpreadNode node)
{
lock (_lockObj)
{
node.index = 0;
node.lightLevel = 0;
node.chunk = null;
spreadNodes.Enqueue(node);
if (maxSpread < spreadNodes.Count)
{
maxSpread = spreadNodes.Count;
}
}
}
public LightSpreadNode GetSpreadNode(int index, int level, Chunk chunk)
{
LightSpreadNode node;
lock (_lockObj)
{
if (spreadNodes.Count > 0)
{
node = spreadNodes.Dequeue();
node.index = index;
node.lightLevel = level;
node.chunk = chunk;
}
else
{
node = new LightSpreadNode(index, level, chunk);
}
}
return(node);
}
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> SpreadInChunk(Chunk chunk)
{
int nextX;
int nextY;
int nextZ;
Chunk nextChunk;
_changedList.Clear();
while (_lightBfsQueue.Count > 0)
{
LightSpreadNode 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 curLightLevel = node.lightLevel;
NodeCache.Instance.SaveSpreadNode(node);
//y - 1
nextY = y - 1;
if (nextY >= 0)
{
SpreadVerticalInPos(x, nextY, z, nodeChunk, curLightLevel);
}
//x - 1
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)))
{
SpreadNormalInPos(nextX, y, z, nextChunk, 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)))
{
SpreadNormalInPos(nextX, y, z, nextChunk, 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)))
{
SpreadNormalInPos(x, y, nextZ, nextChunk, 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)))
{
SpreadNormalInPos(x, y, nextZ, nextChunk, curLightLevel);
}
// y + 1
nextY = y + 1;
if (nextY < Chunk.chunkHeight)
{
SpreadNormalInPos(x, nextY, z, nodeChunk, curLightLevel);
}
}
return(_changedList);
}
public void AddSpreadNode(LightSpreadNode node)
{
_lightBfsQueue.Enqueue(node);
}
private List <Chunk> GetSunLightChangeChunks(Chunk chunk, int x, int y, int z, Block b, List <Chunk> list)
{
List <Chunk> spreadList = null;
List <Chunk> shrinkList = null;
BlockAttributeCalculator calculator = BlockAttributeCalculatorFactory.GetCalculator(b.BlockType);
int lightDamp = calculator.LightDamp(b.ExtendId);
int height = chunk.GetHeight(x, z);
int lightLevel = chunk.GetSunLight(x, y, z, true);
int curLightLevel;
if (y >= height - 1)
{
for (int ty = y; ty >= height; ty--)
{
Block nextBlock = chunk.GetBlock(x, ty, z);
BlockAttributeCalculator nextCalculator = BlockAttributeCalculatorFactory.GetCalculator(nextBlock.BlockType);
int nextLightDamp = nextCalculator.LightDamp(nextBlock.ExtendId);
if (nextLightDamp > 0)
{
height = ty + 1;
//更新高度
chunk.SetHeight(x, z, height, true);
break;
}
}
curLightLevel = WorldConfig.Instance.maxLightLevel - lightDamp;
if (curLightLevel < 0)
{
curLightLevel = 0;
}
}
else
{
int leftSunLight = chunk.GetSunLight(x - 1, y, z);
int rightSunLight = chunk.GetSunLight(x + 1, y, z);
int topSunLight = chunk.GetSunLight(x, y + 1, z);
int bottomSunLight = chunk.GetSunLight(x, y - 1, z);
int frontSunLight = chunk.GetSunLight(x, y, z + 1);
int backSunLight = chunk.GetSunLight(x, y, z - 1);
int maxSunLight = GetMax(leftSunLight, rightSunLight, topSunLight, bottomSunLight,
frontSunLight, backSunLight);
curLightLevel = maxSunLight - lightDamp - 1;
if (curLightLevel < 0)
{
curLightLevel = 0;
}
}
if (curLightLevel < lightLevel)
{
chunk.SetSunLight(x, y, z, curLightLevel, true);
int index = (x * Chunk.chunkDepth + z) * Chunk.chunkHeight + y;
LightShrinkNode node = NodeCache.Instance.GetShrinkNode(index, lightLevel, curLightLevel, chunk);
_sunLightShrink.AddShrinkNode(node);
shrinkList = _sunLightShrink.ShrinkInChunk(chunk);
}
else if (curLightLevel > lightLevel)
{
chunk.SetSunLight(x, y, z, curLightLevel, true);
int index = (x * Chunk.chunkDepth + z) * Chunk.chunkHeight + y;
LightSpreadNode node = NodeCache.Instance.GetSpreadNode(index, curLightLevel, chunk);
_sunLightSpread.AddSpreadNode(node);
spreadList = _sunLightSpread.SpreadInChunk(chunk);
}
if (spreadList != null)
{
for (int i = 0; i < spreadList.Count; i++)
{
if (!list.Contains(spreadList[i]))
{
list.Add(spreadList[i]);
}
}
}
if (shrinkList != null)
{
for (int i = 0; i < shrinkList.Count; i++)
{
if (!list.Contains(shrinkList[i]))
{
list.Add(shrinkList[i]);
}
}
}
return(list);
}