// build the data for a specific block in the world
public override void BuildWorldChunk(WorldData world, Chunk chunk)
{
IntVec3 size = world.ChunkSizeBlocks;
if (m_HeightField == null)
{
return;
}
for (int x = 0; x < size.x; x++)
{
int blockX = chunk.WorldPos.x + x;
for (int z = 0; z < size.z; z++)
{
int blockZ = chunk.WorldPos.z + z;
GenerateTerrain(chunk, x, z, blockX, blockZ, world.WorldSizeBlocks.y);
}
}
if (chunk.MarkDirty())
{
world.AddDirtyChunk(chunk);
}
}
public void SetBlock(int x, int y, int z, byte blockType, bool bMarkDirty = true)
{
if (PosOutsideWorld(x, y, z))
{
Debug.Log(string.Format("SetBlock failed point outside world: {0},{1},{2}", x, y, z));
return;
}
// calc chunk and block coords
int chunkX = x / m_ChunkSizeBlocks.x;
int chunkY = y / m_ChunkSizeBlocks.y;
int chunkZ = z / m_ChunkSizeBlocks.z;
int blockX = x % m_ChunkSizeBlocks.x;
int blockY = y % m_ChunkSizeBlocks.y;
int blockZ = z % m_ChunkSizeBlocks.z;
Chunk chunk = m_Chunks[chunkX, chunkY, chunkZ];
//Debug.Log(string.Format("Setting chunk at {0},{1},{2}",chunkX, chunkY, chunkZ));
// create new chunk if this one is empty
// (we could check against setting air as block type and early out ?)
if (chunk == null)
{
chunk = CreateChunk(chunkX, chunkY, chunkZ);
}
chunk.Blocks[blockX, blockY, blockZ].m_Type = blockType;
// Mark block dirty and process surrounding blocks if needed
if (!bMarkDirty)
{
return;
}
if (chunk.MarkDirty())
{
AddDirtyChunk(chunk);
}
// If we set a block on the chunk edge set neigbouring chunk as dirty
if (blockX == 0 && chunkX > 0)
{
Chunk neighbour = m_Chunks[chunkX - 1, chunkY, chunkZ];
if (neighbour != null && neighbour.MarkDirty())
{
AddDirtyChunk(neighbour);
}
}
if (blockX == m_ChunkSizeBlocks.x - 1 && chunkX < m_WorldSizeChunks.x - 1)
{
Chunk neighbour = m_Chunks[chunkX + 1, chunkY, chunkZ];
if (neighbour != null && neighbour.MarkDirty())
{
AddDirtyChunk(neighbour);
}
}
// Y neigbours
if (blockY == 0 && chunkY > 0)
{
Chunk neighbour = m_Chunks[chunkX, chunkY - 1, chunkZ];
if (neighbour != null && neighbour.MarkDirty())
{
AddDirtyChunk(neighbour);
}
}
if (blockY == m_ChunkSizeBlocks.y - 1 && chunkY < m_WorldSizeChunks.y - 1)
{
Chunk neighbour = m_Chunks[chunkX, chunkY + 1, chunkZ];
if (neighbour != null && neighbour.MarkDirty())
{
AddDirtyChunk(neighbour);
}
}
// Z neigbours
if (blockZ == 0 && chunkZ > 0)
{
Chunk neighbour = m_Chunks[chunkX, chunkY, chunkZ - 1];
if (neighbour != null && neighbour.MarkDirty())
{
AddDirtyChunk(neighbour);
}
}
if (blockZ == m_ChunkSizeBlocks.z - 1 && chunkZ < m_WorldSizeChunks.z - 1)
{
Chunk neighbour = m_Chunks[chunkX, chunkY, chunkZ + 1];
if (neighbour != null && neighbour.MarkDirty())
{
AddDirtyChunk(neighbour);
}
}
}
