/// <summary>
/// Loads the block properties from the world into the chunk properties object.
/// </summary>
/// <param name="properties">The chunk properties to write to.</param>
/// <param name="blockList">The block list to reference.</param>
/// <param name="world">The world to load from.</param>
/// <param name="chunkPos">The target chunk.</param>
internal static void LoadProperties(ChunkProperties properties, BlockList blockList, World world, ChunkPosition chunkPos)
{
GetChunkGrid(world, chunkPos);
properties.ChunkPosition = chunkPos;
int size = world.ChunkSize.Value;
int intBits = world.ChunkSize.IntBits;
int extendedSize = size + 2;
for (int x = -1; x <= size; x++)
{
for (int y = -1; y <= size; y++)
{
for (int z = -1; z <= size; z++)
{
var local = (x & world.ChunkSize.Mask) * size * size
+ (y & world.ChunkSize.Mask) * size
+ (z & world.ChunkSize.Mask);
var chunkIndex = ((x >> intBits) + 1) * 3 * 3
+ ((y >> intBits) + 1) * 3
+ ((z >> intBits) + 1);
var index = (x + 1) * extendedSize * extendedSize
+ (y + 1) * extendedSize
+ (z + 1);
var blockId = m_ChunkBuffer[chunkIndex]?.Blocks[local] ?? 0;
var blockType = blockList.GetBlockType(blockId);
properties.Blocks[index] = blockType;
}
}
}
}
