Examples with ChunkGenerator net.minecraft.world.gen.ChunkGenerator used on opensource projects

Example 1 with ChunkGenerator

use of net.minecraft.world.gen.ChunkGenerator in project ChocolateQuestRepoured by TeamChocoQuest.

the class StructureHelper method isStructureInRange.

public static boolean isStructureInRange(World world, BlockPos pos, int radius, String name) {
    if (!world.getWorldInfo().isMapFeaturesEnabled()) {
        return false;
    }
    if (name.equals("AW2")) {
        // check for aw2 structures
        if (!CQRMain.isAW2Installed) {
            return false;
        }
        return AW2Integration.isAW2StructureInRange(world, pos, radius);
    }
    ChunkGenerator chunkGenerator = ((ServerWorld) world).getChunkProvider().chunkGenerator;
    if (chunkGenerator instanceof OverworldChunkGenerator || chunkGenerator instanceof NetherChunkGenerator || chunkGenerator instanceof EndChunkGenerator || chunkGenerator instanceof FlatChunkGenerator || chunkGenerator instanceof DebugChunkGenerator) {
        // vanilla chunk generator
        Structure structureGenerator = getStructureGenerator(world, name);
        if (structureGenerator != null) {
            return isStructureInRange(world, structureGenerator, pos, radius);
        }
        return false;
    }
    // modded chunk generator
    BlockPos structurePos;
    try {
        structurePos = chunkGenerator.getNearestStructurePos(world, name, pos, false);
        if (structurePos != null && (Math.abs(structurePos.getX() - pos.getX()) <= radius || Math.abs(structurePos.getZ() - pos.getZ()) <= radius)) {
            return true;
        }
    } catch (NullPointerException e) {
    // ignore
    }
    try {
        structurePos = chunkGenerator.getNearestStructurePos(world, name, pos, true);
        if (structurePos != null && (Math.abs(structurePos.getX() - pos.getX()) <= radius || Math.abs(structurePos.getZ() - pos.getZ()) <= radius)) {
            return true;
        }
    } catch (NullPointerException e) {
    // ignore
    }
    return false;
}

Example 2 with ChunkGenerator

use of net.minecraft.world.gen.ChunkGenerator in project Mekanism by mekanism.

the class GenHandler method generate.

/**
 * @return True if some retro-generation happened, false otherwise
 */
public static boolean generate(ServerWorld world, Random random, int chunkX, int chunkZ) {
    BlockPos blockPos = new BlockPos(chunkX * 16, 0, chunkZ * 16);
    Biome biome = world.getBiome(blockPos);
    boolean generated = false;
    if (isValidBiome(biome.getBiomeCategory()) && world.hasChunk(chunkX, chunkZ)) {
        ChunkGenerator chunkGenerator = world.getChunkSource().getGenerator();
        for (ConfiguredFeature<?, ?> feature : ORE_RETROGENS.values()) {
            generated |= feature.place(world, chunkGenerator, random, blockPos);
        }
        generated |= SALT_RETROGEN_FEATURE.place(world, chunkGenerator, random, blockPos);
    }
    return generated;
}

Example 3 with ChunkGenerator

use of net.minecraft.world.gen.ChunkGenerator in project MCMOD-Industria by M-Marvin.

the class LakeFeature method place.

@SuppressWarnings("deprecation")
@Override
public boolean place(ISeedReader reader, ChunkGenerator generator, Random rand, BlockPos pos, LakeFeatureConfig config) {
    Random random = new Random(rand.nextLong());
    // Make Lake Shape
    int count = random.nextInt(config.maxIterationCount) + 1;
    BlockPos genPos = new BlockPos(0, -1, 0);
    List<BlockPos> positionList = new ArrayList<BlockPos>();
    for (int x1 = 0; x1 < count; x1++) {
        int maxWidth1 = config.minWidth + random.nextInt(config.maxWidth - config.minWidth);
        int maxWidth2 = config.minWidth + random.nextInt(config.maxWidth - config.minWidth);
        int r1 = random.nextInt((int) (maxWidth1 / 2F));
        int r3 = random.nextInt((int) (maxWidth2 / 2F));
        genPos = genPos.offset(r1, 0, r3);
        int depth = random.nextInt(config.maxDepth) + 2;
        for (int i0 = 0; i0 < depth; i0++) {
            float f0 = i0 / (float) (depth);
            int width1 = (int) (Math.cos(f0 * (Math.PI / 2)) * maxWidth1);
            int width2 = (int) (Math.cos(f0 * (Math.PI / 2)) * maxWidth2);
            BlockPos placePos0 = new BlockPos(0, -i0, 0);
            for (int i1 = 0; i1 < width1; i1++) {
                float f1 = i1 / (float) (width1);
                int rowWidth = (int) (Math.sin(f1 * Math.PI) * width2);
                BlockPos placePos1 = placePos0.offset(i1 - width2 / 2, 0, 0);
                for (int i4 = 0; i4 < rowWidth; i4++) {
                    BlockPos placePos2 = placePos1.offset(0, 0, i4 - rowWidth / 2);
                    positionList.add(genPos.offset(placePos2));
                }
            }
        }
    }
    // Make Border Shape
    List<BlockPos> borderPositions = new ArrayList<BlockPos>();
    for (BlockPos position : positionList) {
        for (Direction d : Direction.values()) {
            BlockPos checkPos = position.relative(d);
            if (!positionList.contains(checkPos))
                borderPositions.add(checkPos);
        }
    }
    // Check Valid Generation
    if (positionList.size() == 0)
        return false;
    for (BlockPos position : positionList) {
        BlockState replaceState = reader.getBlockState(position.offset(pos));
        if (!replaceState.getFluidState().isEmpty() || replaceState.isAir() || replaceState.getBlock() == Blocks.BEDROCK)
            return false;
    }
    // Place Blocks
    for (BlockPos position : positionList) {
        BlockState genState = Blocks.CAVE_AIR.defaultBlockState();
        if (position.getY() != -1) {
            genState = config.fillerBlock;
        }
        reader.setBlock(position.offset(pos), genState, 2);
    }
    Predicate<Block> borderReplacePredicate = (block) -> block != config.crustBlock.getBlock() && block != config.fillerBlock.getBlock() && block.getBlock() != Blocks.CAVE_AIR;
    for (BlockPos position : borderPositions) {
        if (position.getY() == -2) {
            reader.setBlock(position.offset(pos), config.crustBlock, 2);
        } else if (random.nextInt(5) == 0 && position.getY() != 0) {
            reader.setBlock(position.offset(pos), config.crustBlock, 2);
        } else if (position.getY() != -1 && position.getY() != 0) {
            reader.setBlock(position.offset(pos), config.borderBlock, 2);
        } else if (position.getY() == -1) {
            for (int i = 0; i < 10; i++) {
                BlockPos replacePos = position.offset(random.nextInt(6) - 3, random.nextInt(6) - 3, random.nextInt(6) - 3);
                BlockState replaceState = reader.getBlockState(replacePos.offset(pos));
                if (borderReplacePredicate.apply(replaceState.getBlock())) {
                    reader.setBlock(replacePos.offset(pos), Blocks.CAVE_AIR.defaultBlockState(), 2);
                }
            }
        }
    }
    return true;
}