Java 类net.minecraft.world.biome.BiomeRiver 实例源码

@Override
public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator, IChunkProvider chunkProvider) {
    if (world.provider.getDimension() == 0) {

        WorldGenAbstractTree apple = new WorldGenApple(false);
        WorldGenAbstractTree maple = new WorldGenMaple(false);
        WorldGenAbstractTree ebony = new WorldGenEbony(false);
        WorldGenAbstractTree fir = new WorldGenFir(false);
        WorldGenAbstractTree pine = new WorldGenPine(false);
        WorldGenAbstractTree willow = new WorldGenWillow();
        WorldGenAbstractTree yew = new WorldGenYew();

        // get the biome
        Biome biome = world.getBiome(new BlockPos(chunkX * 16, 64, chunkZ * 16));

        if (biome instanceof BiomeDesert) {
            makeTree(ebony, chunkX, chunkZ, random, world, 0, 1);
        }

        if (biome instanceof BiomeForest || biome instanceof BiomeForestMutated) {
            if (random.nextInt(4) == 0) {
                makeTree(maple, chunkX, chunkZ, random, world, 0, 3);
            }

            if (random.nextInt(12) == 0) {
                makeTree(apple, chunkX, chunkZ, random, world, 1, 2);
            }

            makeTree(pine, chunkX, chunkZ, random, world, 0, 3);
        }

        if (biome instanceof BiomeHills) {
            makeTree(maple, chunkX, chunkZ, random, world, 0, 3);
            makeTree(fir, chunkX, chunkZ, random, world, 0, 3);
        }

        if (biome instanceof BiomeMesa && random.nextBoolean()) {
            makeTree(ebony, chunkX, chunkZ, random, world, 1, 3);
        }

        if (biome instanceof BiomePlains) {
            makeTree(apple, chunkX, chunkZ, random, world, 0, 1);
        }

        if (biome instanceof BiomeRiver && random.nextInt(3) == 0) {
            makeTree(yew, chunkX, chunkZ, random, world, 0, 3);
        }

        if (biome instanceof BiomeSavanna) {
            makeTree(ebony, chunkX, chunkZ, random, world, 0, 3);
        }

        if (biome instanceof BiomeSwamp) {
            if (random.nextInt(2) == 0) {
                makeTree(willow, chunkX, chunkZ, random, world, 0, 3);
            }
            if (random.nextInt(1) == 0) {
                makeTree(yew, chunkX, chunkZ, random, world, 0, 3);
            }
        }

        if (biome instanceof BiomeTaiga) {
            makeTree(pine, chunkX, chunkZ, random, world, 0, 3);
            makeTree(fir, chunkX, chunkZ, random, world, 1, 4);
        }
        if (biome instanceof BiomeJungle) {
            makeTree(rubber, chunkX, chunkZ, random, world, 0, 3);
        }
    }
}

/** Assigns a temperature to the biome.
 * @return The base temperature for the biome */
private static float chooseTemp(Biome biome) {

    if (biome == Biomes.MUTATED_ICE_FLATS) {

        return -4;

    } else if (biome instanceof BiomeSnow) {

        return -3;

    } else if (biome == Biomes.FROZEN_RIVER) {

        return -2;

    } else if (biome == Biomes.COLD_TAIGA ||
            biome == Biomes.COLD_TAIGA_HILLS ||
            biome == Biomes.MUTATED_TAIGA_COLD) {

        return -1;

    } else if (biome == Biomes.COLD_BEACH) {

        return -0.5F;

    } else if (biome instanceof BiomeHills || biome instanceof BiomeTaiga ||
            biome instanceof BiomeVoid || biome instanceof BiomeEnd) {

        return 0;

    } else if (biome == Biomes.STONE_BEACH) {

        return 0.5F;

    } else if (biome == Biomes.BIRCH_FOREST ||
            biome == Biomes.BIRCH_FOREST_HILLS) {

        return 1;

    } else if (biome instanceof BiomeOcean || biome instanceof BiomeForest
            || biome instanceof BiomeRiver) {

        return 2;

    } else if (biome instanceof BiomePlains) {

        return 2.5F;

    } else if (biome instanceof BiomeSwamp || biome instanceof BiomeBeach) {

        return 3;

    } else if (biome instanceof BiomeMushroomIsland) {

        return 4;

    } else if (biome instanceof BiomeJungle) {

        return 4.5F;

    } else if (biome instanceof BiomeSavanna) {

        return 5;

    } else if (biome instanceof BiomeDesert || biome instanceof BiomeMesa ||
            biome instanceof BiomeHell) {

        return 6;

    } else {

        float base = biome.getTemperature();
        float converted = (base - 1) * 10;
        Geomastery.LOG.info("Unsupported biome {} has had its temperature set to {}", biome.getBiomeName(), converted);
        return converted;
    }
}