    001    package net.minecraft.world.biome;
    002
    003    public class BiomeCacheBlock
    004    {
    005        /** An array of chunk temperatures saved by this cache. */
    006        public float[] temperatureValues;
    007
    008        /** An array of chunk rainfall values saved by this cache. */
    009        public float[] rainfallValues;
    010
    011        /** The array of biome types stored in this BiomeCacheBlock. */
    012        public BiomeGenBase[] biomes;
    013
    014        /** The x coordinate of the BiomeCacheBlock. */
    015        public int xPosition;
    016
    017        /** The z coordinate of the BiomeCacheBlock. */
    018        public int zPosition;
    019
    020        /** The last time this BiomeCacheBlock was accessed, in milliseconds. */
    021        public long lastAccessTime;
    022
    023        /** The BiomeCache object that contains this BiomeCacheBlock */
    024        final BiomeCache theBiomeCache;
    025
    026        public BiomeCacheBlock(BiomeCache par1BiomeCache, int par2, int par3)
    027        {
    028            this.theBiomeCache = par1BiomeCache;
    029            this.temperatureValues = new float[256];
    030            this.rainfallValues = new float[256];
    031            this.biomes = new BiomeGenBase[256];
    032            this.xPosition = par2;
    033            this.zPosition = par3;
    034            BiomeCache.getChunkManager(par1BiomeCache).getTemperatures(this.temperatureValues, par2 << 4, par3 << 4, 16, 16);
    035            BiomeCache.getChunkManager(par1BiomeCache).getRainfall(this.rainfallValues, par2 << 4, par3 << 4, 16, 16);
    036            BiomeCache.getChunkManager(par1BiomeCache).getBiomeGenAt(this.biomes, par2 << 4, par3 << 4, 16, 16, false);
    037        }
    038
    039        /**
    040         * Returns the BiomeGenBase related to the x, z position from the cache block.
    041         */
    042        public BiomeGenBase getBiomeGenAt(int par1, int par2)
    043        {
    044            return this.biomes[par1 & 15 | (par2 & 15) << 4];
    045        }
    046    }