public Chunk(int sideSize = Env.ChunkSize)
{
m_sideSize = sideSize;
// Associate Chunk with a certain thread and make use of its memory pool
// This is necessary in order to have lock-free caches
ThreadID = Globals.WorkPool.GetThreadIDFromIndex(s_id++);
pools = Globals.WorkPool.GetPool(ThreadID);
stateManager = new ChunkStateManagerClient(this);
blocks = new ChunkBlocks(this, sideSize);
}
public Chunk()
{
// Associate Chunk with a certain thread and make use of its memory pool
// This is necessary in order to have lock-free caches
ThreadID = Globals.WorkPool.GetThreadIDFromIndex(s_id++);
pools = Globals.WorkPool.GetPool(ThreadID);
stateManager = new ChunkStateManagerClient(this);
blocks = new ChunkBlocks(this);
logic = new ChunkLogic(this);
GeometryHandler = new ChunkRenderGeometryHandler(this);
ChunkColliderGeometryHandler = new ChunkColliderGeometryHandler(this);
}
public void HandleNeighbors(BlockData block, Vector3Int pos)
{
if (!NeedToHandleNeighbors(ref pos))
{
return;
}
int cx = chunk.pos.x;
int cy = chunk.pos.y;
int cz = chunk.pos.z;
ChunkStateManagerClient stateManager = chunk.stateManager;
// If it is an edge position, notify neighbor as well
// Iterate over neighbors and decide which ones should be notified to rebuild their geometry
var listeners = stateManager.Listeners;
for (int i = 0; i < listeners.Length; i++)
{
ChunkEvent listener = listeners[i];
if (listener == null)
{
continue;
}
ChunkStateManagerClient listenerClient = (ChunkStateManagerClient)listener;
Chunk listenerChunk = listenerClient.chunk;
ChunkBlocks listenerChunkBlocks = listenerChunk.blocks;
int lx = listenerChunk.pos.x;
int ly = listenerChunk.pos.y;
int lz = listenerChunk.pos.z;
if (ly == cy || lz == cz)
{
// Section to the left
if ((pos.x == 0) && (lx + m_sideSize == cx))
{
rebuildMaskGeometry = rebuildMaskGeometry | (1 << i);
// Mirror the block to the neighbor edge
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(m_sideSize, pos.y, pos.z, m_pow);
listenerChunkBlocks[neighborIndex] = block;
}
// Section to the right
else if ((pos.x == (m_sideSize - 1)) && (lx - m_sideSize == cx))
{
rebuildMaskGeometry = rebuildMaskGeometry | (1 << i);
// Mirror the block to the neighbor edge
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(-1, pos.y, pos.z, m_pow);
listenerChunkBlocks[neighborIndex] = block;
}
}
if (lx == cx || lz == cz)
{
// Section to the bottom
if ((pos.y == 0) && (ly + m_sideSize == cy))
{
rebuildMaskGeometry = rebuildMaskGeometry | (1 << i);
// Mirror the block to the neighbor edge
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(pos.x, m_sideSize, pos.z, m_pow);
listenerChunkBlocks[neighborIndex] = block;
}
// Section to the top
else if ((pos.y == (m_sideSize - 1)) && (ly - m_sideSize == cy))
{
rebuildMaskGeometry = rebuildMaskGeometry | (1 << i);
// Mirror the block to the neighbor edge
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(pos.x, -1, pos.z, m_pow);
listenerChunkBlocks[neighborIndex] = block;
}
}
if (ly == cy || lx == cx)
{
// Section to the back
if ((pos.z == 0) && (lz + m_sideSize == cz))
{
rebuildMaskGeometry = rebuildMaskGeometry | (1 << i);
// Mirror the block to the neighbor edge
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(pos.x, pos.y, m_sideSize, m_pow);
listenerChunkBlocks[neighborIndex] = block;
}
// Section to the front
else if ((pos.z == (m_sideSize - 1)) && (lz - m_sideSize == cz))
{
rebuildMaskGeometry = rebuildMaskGeometry | (1 << i);
// Mirror the block to the neighbor edge
int neighborIndex = Helpers.GetChunkIndex1DFrom3D(pos.x, pos.y, -1, m_pow);
listenerChunkBlocks[neighborIndex] = block;
}
}
// No further checks needed once we know all neighbors need to be notified
if (rebuildMaskGeometry == 0x3f)
{
break;
}
}
}
public unsafe void Copy(ChunkBlocks src, int srcIndex, int dstIndex, int length)
{
Utils.MemoryCopy(&m_blocks[dstIndex << 1], &src.m_blocks[srcIndex << 1], (uint)length << 1);
}
public void Copy(ChunkBlocks src, int srcIndex, int dstIndex, int length)
{
Array.Copy(src.blocks, srcIndex, blocks, dstIndex, length);
}