public Block getBlock(Vector3i position, bool createChunkIfNeeded = false)
{
Vector3i p = MathCustom.chunkFromBlock(position, Chunk.chunkSize);
if (createChunkIfNeeded) {
loadChunk(p, false);
} else if(!loadedChunks.ContainsKey(p)) {
return Block.air;
}
return loadedChunks[p].getBlock(MathCustom.negModFix(position.x, Chunk.chunkSize.x), MathCustom.negModFix(position.y, Chunk.chunkSize.y), MathCustom.negModFix(position.z, Chunk.chunkSize.z));
}
public bool setBlock(Vector3i position, Block block, bool createChunkIfNeeded = false)
{
Vector3i p = MathCustom.chunkFromBlock(position, Chunk.chunkSize);
if (createChunkIfNeeded) {
loadChunk(p, false);
} else {
return false;
}
loadedChunks[p].setBlock(MathCustom.negModFix(position.x, Chunk.chunkSize.x), MathCustom.negModFix(position.y, Chunk.chunkSize.y), MathCustom.negModFix(position.z, Chunk.chunkSize.z), block);
return true;
}
public Chunk(Vector3i pos, World world, Game game)
{
this.chunkPosition = new Vector3i(pos.x, pos.y, pos.z);
vbo = new VboGroup(game);
fileName = world.directory + "\\chunk_" + chunkPosition.getSafeString()+".chunk";
bool loaded = false;
if (File.Exists(fileName)) {
loaded = load();
}
if (!loaded) {
generate(game, world);
save();
Console.WriteLine("Generate Chunk");
} else {
Console.WriteLine("Loaded Chunk");
}
this.world = world;
}
internal static Vector3i chunkFromBlock(int x, int y, int z, Vector3i chunkSize)
{
return new Vector3i(chunkFromBlock(x, chunkSize.x), chunkFromBlock(y, chunkSize.y), chunkFromBlock(z, chunkSize.z));
}
public static Vector3i chunkFromBlock(Vector3i blockPosition, Vector3i chunkSize)
{
return new Vector3i(chunkFromBlock(blockPosition.x, chunkSize.x), chunkFromBlock(blockPosition.y, chunkSize.y), chunkFromBlock(blockPosition.z, chunkSize.z));
}
private void unloadChunk(Vector3i p)
{
if (loadedChunks.ContainsKey(p)) {
loadedChunks[p].save();
loadedChunks.Remove(p);
}
}
private bool outOfView(Vector3i p, int x, int y, int z, Game game)
{
return
(p.x < x - game.renderDistance) ||
(p.y < y - game.renderDistance) ||
(p.z < z - game.renderDistance) ||
(p.x > x + game.renderDistance) ||
(p.y > y + game.renderDistance) ||
(p.z > z + game.renderDistance);
}
private void loadChunk(Vector3i p, bool forceLoad = false)
{
if(!loadedChunks.ContainsKey(p) || forceLoad){
loadedChunks.Add(p, new Chunk(p, this, game));
}
}
private void addToLoadedIfNeeded(Vector3i p)
{
if(!loadedChunks.ContainsKey(p)){
if(!chunksToLoad.Contains(p)){
chunksToLoad.Add(p);
}
}
}