Examples with ChunkRegion net.minecraft.world.ChunkRegion used on opensource projects

Example 1 with ChunkRegion

use of net.minecraft.world.ChunkRegion in project Paradise-Lost by devs-immortal.

the class QuicksoilFeature method generate.

@Override
public boolean generate(StructureWorldAccess world, ChunkGenerator generator, Random random, BlockPos startPos, DefaultFeatureConfig config) {
    BlockPos origin = null;
    BlockPos.Mutable mut = new BlockPos.Mutable();
    for (int x = -16; x < 16; ++x) {
        for (int y = 20; y < 128; y++) {
            for (int z = -16; z < 16; ++z) {
                mut.set(startPos);
                mut.move(x, y, z);
                if (world.getBlockState(mut).isAir() && world.getBlockState(mut.up()).isOf(AetherBlocks.AETHER_GRASS_BLOCK) && world.getBlockState(mut.up(2)).isAir()) {
                    origin = new BlockPos(mut);
                }
            }
        }
    }
    if (origin == null)
        return false;
    startPos = new BlockPos(startPos.getX(), origin.getY(), startPos.getZ());
    Collection<BlockPos> centers = new HashSet<>();
    Direction[] directions = new Direction[] { Direction.NORTH, Direction.SOUTH, Direction.EAST, Direction.WEST };
    Collection<BlockPos> visited = new HashSet<>();
    Collection<BlockPos> nextStops = new HashSet<>();
    nextStops.add(origin);
    while (!nextStops.isEmpty()) {
        BlockPos stop = nextStops.iterator().next();
        for (int i = 1; i < 5; ++i) {
            for (Direction direction : directions) {
                mut.set(stop);
                mut.move(direction, i);
                if (!visited.contains(mut) && !centers.contains(mut)) {
                    BlockState up;
                    if (world.getBlockState(mut).isAir() && !(up = world.getBlockState(mut.up())).isAir() && !(up.getBlock() instanceof BaseAercloudBlock) && mut.isWithinDistance(startPos, 24)) {
                        BlockPos p = new BlockPos(mut);
                        nextStops.add(p);
                        centers.add(p);
                    }
                }
                visited.add(new BlockPos(mut));
            }
        }
        nextStops.remove(stop);
        visited.add(stop);
    }
    mut.set(origin);
    ChunkRegion region = (ChunkRegion) world;
    List<int[]> positions = new ArrayList<>();
    int radius;
    if (centers.size() > 10) {
        for (BlockPos center : centers) {
            radius = random.nextInt(2) + 4;
            for (int x = center.getX() - radius; x < center.getX() + radius; x++) {
                for (int z = center.getZ() - radius; z < center.getZ() + radius; z++) {
                    mut.set(x, center.getY(), z);
                    if (region.isChunkLoaded(mut.getX() >> 4, mut.getZ() >> 4)) {
                        if (world.getBlockState(mut).isAir() && mut.isWithinDistance(center, radius)) {
                            positions.add(new int[] { mut.getX(), mut.getY(), mut.getZ() });
                        }
                    } else {
                        return false;
                    }
                }
            }
        }
    }
    for (int[] pos : positions) {
        mut.set(pos[0], pos[1], pos[2]);
        this.setBlockState(world, mut, AetherBlocks.QUICKSOIL.getDefaultState());
    }
    return true;
}