// TODO: average color is calculated per face, mods can override colors (dictionary)
protected override Color GetVertexColor(IChunk chunk, LocalBlockPosition blockPosition, LocalBlockPosition airPosition)
{
var block = chunk.Blocks.GetBlock(blockPosition);
var color = Palette(block.ID, block.Data);
var lum = base.GetVertexColor(chunk, blockPosition, airPosition);
return(color * lum);
}
protected virtual Color GetVertexColor([NotNull] IChunk chunk, LocalBlockPosition blockPosition, LocalBlockPosition airPosition)
{
var bl = chunk.Blocks.GetBlockLight(airPosition);
var sl = chunk.Blocks.GetSkyLight(airPosition);
// range 32-255
var lum = (byte)(Math.Max(bl, sl) * 14 + 32);
return(new Color(lum, lum, lum, (byte)255));
}
public static int GetBlockLight(this AlphaBlockCollection blocks, LocalBlockPosition position)
{
return(blocks.GetBlockLight(position.X, position.Y, position.Z));
}
public static TileEntity GetTileEntity(this AlphaBlockCollection blocks, LocalBlockPosition position)
{
return(blocks.GetTileEntity(position.X, position.Y, position.Z));
}
public static BlockInfo GetInfo(this AlphaBlockCollection blocks, LocalBlockPosition position)
{
return(blocks.GetInfo(position.X, position.Y, position.Z));
}
public static AlphaBlockRef GetBlockRef(this AlphaBlockCollection blocks, LocalBlockPosition position)
{
return(blocks.GetBlockRef(position.X, position.Y, position.Z));
}
public static int GetTileTickValue(this AlphaBlockCollection blocks, LocalBlockPosition position)
{
return(blocks.GetTileTickValue(position.X, position.Y, position.Z));
}
// TODO: Return bare minimum required to do collision, user gets the rest.
public IEnumerator <IChunkTraceData> GetEnumerator()
{
// fields
var rayPos = _tracer.Position;
var currentChunkPos = (ChunkPosition) new BlockPosition((int)rayPos.X, (int)rayPos.Y, (int)rayPos.Z);
var enumerator = _tracer.GetEnumerator();
enumerator.MoveNext();
// TODO: IChunkTraceData is a problem when traversing ungenerated chunks. (wont know size of a chunk or when it enters a new one.)
var size = new ChunkSize(16, 256, 16);
var positions = new List <LocalBlockPosition>(20);
var alphaBlocks = new List <AlphaBlock>(20);
var chunkNull = false;
// this was supposed to be simple and beautiful, but the fact that you cant yield in a lambda made it pretty nasty.
var tracerReachedLimit = false;
while (!tracerReachedLimit)
{
_world.GetChunk(new ChunkPositionDimension(currentChunkPos, _dimension), AccessMode.Read, chunk =>
{
while (true)
{
// check to see if we've moved on to the next chunk. if so, return without reading its data.
var exactPos = (ChunkPosition)enumerator.Current;
if (currentChunkPos != exactPos)
{
// yield return our current ChunkTraceData, loads the next chunk
break;
}
// gather data
if (chunk != null)
{
// get block data
var blocks = chunk.Blocks;
var localPos = new LocalBlockPosition(chunk, enumerator.Current);
positions.Add(localPos);
// if it is out of range, it's air
alphaBlocks.Add((localPos.Y >= 256 || localPos.Y < 0) ? new AlphaBlock(0) : blocks.GetBlock(localPos));
}
else
{
chunkNull = true;
}
if (enumerator.MoveNext())
{
continue;
}
// enumerator cant MoveNext, break and return the last of our data
tracerReachedLimit = true;
break;
}
});
// yield return our current ChunkTraceData
yield return(new ChunkTraceData(currentChunkPos, size, chunkNull ? null : positions, chunkNull ? null : alphaBlocks));
// create new collections for reading the next chunk data
positions = new List <LocalBlockPosition>(20);
alphaBlocks = new List <AlphaBlock>(20);
chunkNull = false;
// move currentChunkPos to the next chunk
currentChunkPos = enumerator.Current;
}
}
