package cn.nukkit.level.generator.populator; import cn.nukkit.block.Block; import cn.nukkit.level.ChunkManager; import cn.nukkit.math.NukkitMath; import cn.nukkit.math.NukkitRandom; /** * author: Angelic47 * Nukkit Project */ public class PopulatorGrass extends Populator { private ChunkManager level; private int randomAmount; private int baseAmount; public void setRandomAmount(int randomAmount) { this.randomAmount = randomAmount; } public void setBaseAmount(int baseAmount) { this.baseAmount = baseAmount; } @Override public void populate(ChunkManager level, int chunkX, int chunkZ, NukkitRandom random) { this.level = level; int amount = random.nextBoundedInt(this.randomAmount + 1) + this.baseAmount; for (int i = 0; i < amount; ++i) { int x = NukkitMath.randomRange(random, chunkX * 16, chunkX * 16 + 15); int z = NukkitMath.randomRange(random, chunkZ * 16, chunkZ * 16 + 15); int y = this.getHighestWorkableBlock(x, z); if (y != -1 && this.canGrassStay(x, y, z)) { this.level.setBlockIdAt(x, y, z, Block.TALL_GRASS); this.level.setBlockDataAt(x, y, z, 0); } } } private boolean canGrassStay(int x, int y, int z) { int b = this.level.getBlockIdAt(x, y, z); return (b == Block.AIR || b == Block.SNOW_LAYER) && this.level.getBlockIdAt(x, y - 1, z) == Block.GRASS; } private int getHighestWorkableBlock(int x, int z) { int y; for (y = 127; y >= 0; --y) { int b = this.level.getBlockIdAt(x, y, z); if (b != Block.AIR && b != Block.LEAVES && b != Block.LEAVES2 && b != Block.SNOW_LAYER) { break; } } return y == 0 ? -1 : ++y; } }