    001package net.minecraft.world.gen;
    002
    003import java.util.List;
    004import java.util.Random;
    005import net.minecraft.block.Block;
    006import net.minecraft.block.BlockSand;
    007import net.minecraft.entity.EnumCreatureType;
    008import net.minecraft.util.IProgressUpdate;
    009import net.minecraft.world.ChunkPosition;
    010import net.minecraft.world.World;
    011import net.minecraft.world.biome.BiomeGenBase;
    012import net.minecraft.world.chunk.Chunk;
    013import net.minecraft.world.chunk.IChunkProvider;
    014import net.minecraft.world.gen.feature.WorldGenFire;
    015import net.minecraft.world.gen.feature.WorldGenFlowers;
    016import net.minecraft.world.gen.feature.WorldGenGlowStone1;
    017import net.minecraft.world.gen.feature.WorldGenGlowStone2;
    018import net.minecraft.world.gen.feature.WorldGenHellLava;
    019import net.minecraft.world.gen.feature.WorldGenMinable;
    020import net.minecraft.world.gen.structure.MapGenNetherBridge;
    021
    022import static net.minecraftforge.event.terraingen.DecorateBiomeEvent.Decorate.EventType.*;
    023import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.*;
    024import static net.minecraftforge.event.terraingen.PopulateChunkEvent.Populate.EventType.*;
    025import net.minecraftforge.common.*;
    026import net.minecraftforge.event.Event.*;
    027import net.minecraftforge.event.terraingen.*;
    028
    029public class ChunkProviderHell implements IChunkProvider
    030{
    031    private Random hellRNG;
    032
    033    /** A NoiseGeneratorOctaves used in generating nether terrain */
    034    private NoiseGeneratorOctaves netherNoiseGen1;
    035    private NoiseGeneratorOctaves netherNoiseGen2;
    036    private NoiseGeneratorOctaves netherNoiseGen3;
    037
    038    /** Determines whether slowsand or gravel can be generated at a location */
    039    private NoiseGeneratorOctaves slowsandGravelNoiseGen;
    040
    041    /**
    042     * Determines whether something other than nettherack can be generated at a location
    043     */
    044    private NoiseGeneratorOctaves netherrackExculsivityNoiseGen;
    045    public NoiseGeneratorOctaves netherNoiseGen6;
    046    public NoiseGeneratorOctaves netherNoiseGen7;
    047
    048    /** Is the world that the nether is getting generated. */
    049    private World worldObj;
    050    private double[] noiseField;
    051    public MapGenNetherBridge genNetherBridge = new MapGenNetherBridge();
    052
    053    /**
    054     * Holds the noise used to determine whether slowsand can be generated at a location
    055     */
    056    private double[] slowsandNoise = new double[256];
    057    private double[] gravelNoise = new double[256];
    058
    059    /**
    060     * Holds the noise used to determine whether something other than netherrack can be generated at a location
    061     */
    062    private double[] netherrackExclusivityNoise = new double[256];
    063    private MapGenBase netherCaveGenerator = new MapGenCavesHell();
    064    double[] noiseData1;
    065    double[] noiseData2;
    066    double[] noiseData3;
    067    double[] noiseData4;
    068    double[] noiseData5;
    069
    070    {
    071        genNetherBridge = (MapGenNetherBridge) TerrainGen.getModdedMapGen(genNetherBridge, NETHER_BRIDGE);
    072        netherCaveGenerator = TerrainGen.getModdedMapGen(netherCaveGenerator, NETHER_CAVE);
    073    }
    074
    075    public ChunkProviderHell(World par1World, long par2)
    076    {
    077        this.worldObj = par1World;
    078        this.hellRNG = new Random(par2);
    079        this.netherNoiseGen1 = new NoiseGeneratorOctaves(this.hellRNG, 16);
    080        this.netherNoiseGen2 = new NoiseGeneratorOctaves(this.hellRNG, 16);
    081        this.netherNoiseGen3 = new NoiseGeneratorOctaves(this.hellRNG, 8);
    082        this.slowsandGravelNoiseGen = new NoiseGeneratorOctaves(this.hellRNG, 4);
    083        this.netherrackExculsivityNoiseGen = new NoiseGeneratorOctaves(this.hellRNG, 4);
    084        this.netherNoiseGen6 = new NoiseGeneratorOctaves(this.hellRNG, 10);
    085        this.netherNoiseGen7 = new NoiseGeneratorOctaves(this.hellRNG, 16);
    086
    087        NoiseGeneratorOctaves[] noiseGens = {netherNoiseGen1, netherNoiseGen2, netherNoiseGen3, slowsandGravelNoiseGen, netherrackExculsivityNoiseGen, netherNoiseGen6, netherNoiseGen7};
    088        noiseGens = TerrainGen.getModdedNoiseGenerators(par1World, this.hellRNG, noiseGens);
    089        this.netherNoiseGen1 = noiseGens[0];
    090        this.netherNoiseGen2 = noiseGens[1];
    091        this.netherNoiseGen3 = noiseGens[2];
    092        this.slowsandGravelNoiseGen = noiseGens[3];
    093        this.netherrackExculsivityNoiseGen = noiseGens[4];
    094        this.netherNoiseGen6 = noiseGens[5];
    095        this.netherNoiseGen7 = noiseGens[6];
    096    }
    097
    098    /**
    099     * Generates the shape of the terrain in the nether.
    100     */
    101    public void generateNetherTerrain(int par1, int par2, byte[] par3ArrayOfByte)
    102    {
    103        byte b0 = 4;
    104        byte b1 = 32;
    105        int k = b0 + 1;
    106        byte b2 = 17;
    107        int l = b0 + 1;
    108        this.noiseField = this.initializeNoiseField(this.noiseField, par1 * b0, 0, par2 * b0, k, b2, l);
    109
    110        for (int i1 = 0; i1 < b0; ++i1)
    111        {
    112            for (int j1 = 0; j1 < b0; ++j1)
    113            {
    114                for (int k1 = 0; k1 < 16; ++k1)
    115                {
    116                    double d0 = 0.125D;
    117                    double d1 = this.noiseField[((i1 + 0) * l + j1 + 0) * b2 + k1 + 0];
    118                    double d2 = this.noiseField[((i1 + 0) * l + j1 + 1) * b2 + k1 + 0];
    119                    double d3 = this.noiseField[((i1 + 1) * l + j1 + 0) * b2 + k1 + 0];
    120                    double d4 = this.noiseField[((i1 + 1) * l + j1 + 1) * b2 + k1 + 0];
    121                    double d5 = (this.noiseField[((i1 + 0) * l + j1 + 0) * b2 + k1 + 1] - d1) * d0;
    122                    double d6 = (this.noiseField[((i1 + 0) * l + j1 + 1) * b2 + k1 + 1] - d2) * d0;
    123                    double d7 = (this.noiseField[((i1 + 1) * l + j1 + 0) * b2 + k1 + 1] - d3) * d0;
    124                    double d8 = (this.noiseField[((i1 + 1) * l + j1 + 1) * b2 + k1 + 1] - d4) * d0;
    125
    126                    for (int l1 = 0; l1 < 8; ++l1)
    127                    {
    128                        double d9 = 0.25D;
    129                        double d10 = d1;
    130                        double d11 = d2;
    131                        double d12 = (d3 - d1) * d9;
    132                        double d13 = (d4 - d2) * d9;
    133
    134                        for (int i2 = 0; i2 < 4; ++i2)
    135                        {
    136                            int j2 = i2 + i1 * 4 << 11 | 0 + j1 * 4 << 7 | k1 * 8 + l1;
    137                            short short1 = 128;
    138                            double d14 = 0.25D;
    139                            double d15 = d10;
    140                            double d16 = (d11 - d10) * d14;
    141
    142                            for (int k2 = 0; k2 < 4; ++k2)
    143                            {
    144                                int l2 = 0;
    145
    146                                if (k1 * 8 + l1 < b1)
    147                                {
    148                                    l2 = Block.lavaStill.blockID;
    149                                }
    150
    151                                if (d15 > 0.0D)
    152                                {
    153                                    l2 = Block.netherrack.blockID;
    154                                }
    155
    156                                par3ArrayOfByte[j2] = (byte)l2;
    157                                j2 += short1;
    158                                d15 += d16;
    159                            }
    160
    161                            d10 += d12;
    162                            d11 += d13;
    163                        }
    164
    165                        d1 += d5;
    166                        d2 += d6;
    167                        d3 += d7;
    168                        d4 += d8;
    169                    }
    170                }
    171            }
    172        }
    173    }
    174
    175    /**
    176     * name based on ChunkProviderGenerate
    177     */
    178    public void replaceBlocksForBiome(int par1, int par2, byte[] par3ArrayOfByte)
    179    {
    180        ChunkProviderEvent.ReplaceBiomeBlocks event = new ChunkProviderEvent.ReplaceBiomeBlocks(this, par1, par2, par3ArrayOfByte, null);
    181        MinecraftForge.EVENT_BUS.post(event);
    182        if (event.getResult() == Result.DENY) return;
    183
    184        byte b0 = 64;
    185        double d0 = 0.03125D;
    186        this.slowsandNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.slowsandNoise, par1 * 16, par2 * 16, 0, 16, 16, 1, d0, d0, 1.0D);
    187        this.gravelNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.gravelNoise, par1 * 16, 109, par2 * 16, 16, 1, 16, d0, 1.0D, d0);
    188        this.netherrackExclusivityNoise = this.netherrackExculsivityNoiseGen.generateNoiseOctaves(this.netherrackExclusivityNoise, par1 * 16, par2 * 16, 0, 16, 16, 1, d0 * 2.0D, d0 * 2.0D, d0 * 2.0D);
    189
    190        for (int k = 0; k < 16; ++k)
    191        {
    192            for (int l = 0; l < 16; ++l)
    193            {
    194                boolean flag = this.slowsandNoise[k + l * 16] + this.hellRNG.nextDouble() * 0.2D > 0.0D;
    195                boolean flag1 = this.gravelNoise[k + l * 16] + this.hellRNG.nextDouble() * 0.2D > 0.0D;
    196                int i1 = (int)(this.netherrackExclusivityNoise[k + l * 16] / 3.0D + 3.0D + this.hellRNG.nextDouble() * 0.25D);
    197                int j1 = -1;
    198                byte b1 = (byte)Block.netherrack.blockID;
    199                byte b2 = (byte)Block.netherrack.blockID;
    200
    201                for (int k1 = 127; k1 >= 0; --k1)
    202                {
    203                    int l1 = (l * 16 + k) * 128 + k1;
    204
    205                    if (k1 < 127 - this.hellRNG.nextInt(5) && k1 > 0 + this.hellRNG.nextInt(5))
    206                    {
    207                        byte b3 = par3ArrayOfByte[l1];
    208
    209                        if (b3 == 0)
    210                        {
    211                            j1 = -1;
    212                        }
    213                        else if (b3 == Block.netherrack.blockID)
    214                        {
    215                            if (j1 == -1)
    216                            {
    217                                if (i1 <= 0)
    218                                {
    219                                    b1 = 0;
    220                                    b2 = (byte)Block.netherrack.blockID;
    221                                }
    222                                else if (k1 >= b0 - 4 && k1 <= b0 + 1)
    223                                {
    224                                    b1 = (byte)Block.netherrack.blockID;
    225                                    b2 = (byte)Block.netherrack.blockID;
    226
    227                                    if (flag1)
    228                                    {
    229                                        b1 = (byte)Block.gravel.blockID;
    230                                    }
    231
    232                                    if (flag1)
    233                                    {
    234                                        b2 = (byte)Block.netherrack.blockID;
    235                                    }
    236
    237                                    if (flag)
    238                                    {
    239                                        b1 = (byte)Block.slowSand.blockID;
    240                                    }
    241
    242                                    if (flag)
    243                                    {
    244                                        b2 = (byte)Block.slowSand.blockID;
    245                                    }
    246                                }
    247
    248                                if (k1 < b0 && b1 == 0)
    249                                {
    250                                    b1 = (byte)Block.lavaStill.blockID;
    251                                }
    252
    253                                j1 = i1;
    254
    255                                if (k1 >= b0 - 1)
    256                                {
    257                                    par3ArrayOfByte[l1] = b1;
    258                                }
    259                                else
    260                                {
    261                                    par3ArrayOfByte[l1] = b2;
    262                                }
    263                            }
    264                            else if (j1 > 0)
    265                            {
    266                                --j1;
    267                                par3ArrayOfByte[l1] = b2;
    268                            }
    269                        }
    270                    }
    271                    else
    272                    {
    273                        par3ArrayOfByte[l1] = (byte)Block.bedrock.blockID;
    274                    }
    275                }
    276            }
    277        }
    278    }
    279
    280    /**
    281     * loads or generates the chunk at the chunk location specified
    282     */
    283    public Chunk loadChunk(int par1, int par2)
    284    {
    285        return this.provideChunk(par1, par2);
    286    }
    287
    288    /**
    289     * Will return back a chunk, if it doesn't exist and its not a MP client it will generates all the blocks for the
    290     * specified chunk from the map seed and chunk seed
    291     */
    292    public Chunk provideChunk(int par1, int par2)
    293    {
    294        this.hellRNG.setSeed((long)par1 * 341873128712L + (long)par2 * 132897987541L);
    295        byte[] abyte = new byte[32768];
    296        this.generateNetherTerrain(par1, par2, abyte);
    297        this.replaceBlocksForBiome(par1, par2, abyte);
    298        this.netherCaveGenerator.generate(this, this.worldObj, par1, par2, abyte);
    299        this.genNetherBridge.generate(this, this.worldObj, par1, par2, abyte);
    300        Chunk chunk = new Chunk(this.worldObj, abyte, par1, par2);
    301        BiomeGenBase[] abiomegenbase = this.worldObj.getWorldChunkManager().loadBlockGeneratorData((BiomeGenBase[])null, par1 * 16, par2 * 16, 16, 16);
    302        byte[] abyte1 = chunk.getBiomeArray();
    303
    304        for (int k = 0; k < abyte1.length; ++k)
    305        {
    306            abyte1[k] = (byte)abiomegenbase[k].biomeID;
    307        }
    308
    309        chunk.resetRelightChecks();
    310        return chunk;
    311    }
    312
    313    /**
    314     * generates a subset of the level's terrain data. Takes 7 arguments: the [empty] noise array, the position, and the
    315     * size.
    316     */
    317    private double[] initializeNoiseField(double[] par1ArrayOfDouble, int par2, int par3, int par4, int par5, int par6, int par7)
    318    {
    319        ChunkProviderEvent.InitNoiseField event = new ChunkProviderEvent.InitNoiseField(this, par1ArrayOfDouble, par2, par3, par4, par5, par6, par7);
    320        MinecraftForge.EVENT_BUS.post(event);
    321        if (event.getResult() == Result.DENY) return event.noisefield;
    322        if (par1ArrayOfDouble == null)
    323        {
    324            par1ArrayOfDouble = new double[par5 * par6 * par7];
    325        }
    326
    327        double d0 = 684.412D;
    328        double d1 = 2053.236D;
    329        this.noiseData4 = this.netherNoiseGen6.generateNoiseOctaves(this.noiseData4, par2, par3, par4, par5, 1, par7, 1.0D, 0.0D, 1.0D);
    330        this.noiseData5 = this.netherNoiseGen7.generateNoiseOctaves(this.noiseData5, par2, par3, par4, par5, 1, par7, 100.0D, 0.0D, 100.0D);
    331        this.noiseData1 = this.netherNoiseGen3.generateNoiseOctaves(this.noiseData1, par2, par3, par4, par5, par6, par7, d0 / 80.0D, d1 / 60.0D, d0 / 80.0D);
    332        this.noiseData2 = this.netherNoiseGen1.generateNoiseOctaves(this.noiseData2, par2, par3, par4, par5, par6, par7, d0, d1, d0);
    333        this.noiseData3 = this.netherNoiseGen2.generateNoiseOctaves(this.noiseData3, par2, par3, par4, par5, par6, par7, d0, d1, d0);
    334        int k1 = 0;
    335        int l1 = 0;
    336        double[] adouble1 = new double[par6];
    337        int i2;
    338
    339        for (i2 = 0; i2 < par6; ++i2)
    340        {
    341            adouble1[i2] = Math.cos((double)i2 * Math.PI * 6.0D / (double)par6) * 2.0D;
    342            double d2 = (double)i2;
    343
    344            if (i2 > par6 / 2)
    345            {
    346                d2 = (double)(par6 - 1 - i2);
    347            }
    348
    349            if (d2 < 4.0D)
    350            {
    351                d2 = 4.0D - d2;
    352                adouble1[i2] -= d2 * d2 * d2 * 10.0D;
    353            }
    354        }
    355
    356        for (i2 = 0; i2 < par5; ++i2)
    357        {
    358            for (int j2 = 0; j2 < par7; ++j2)
    359            {
    360                double d3 = (this.noiseData4[l1] + 256.0D) / 512.0D;
    361
    362                if (d3 > 1.0D)
    363                {
    364                    d3 = 1.0D;
    365                }
    366
    367                double d4 = 0.0D;
    368                double d5 = this.noiseData5[l1] / 8000.0D;
    369
    370                if (d5 < 0.0D)
    371                {
    372                    d5 = -d5;
    373                }
    374
    375                d5 = d5 * 3.0D - 3.0D;
    376
    377                if (d5 < 0.0D)
    378                {
    379                    d5 /= 2.0D;
    380
    381                    if (d5 < -1.0D)
    382                    {
    383                        d5 = -1.0D;
    384                    }
    385
    386                    d5 /= 1.4D;
    387                    d5 /= 2.0D;
    388                    d3 = 0.0D;
    389                }
    390                else
    391                {
    392                    if (d5 > 1.0D)
    393                    {
    394                        d5 = 1.0D;
    395                    }
    396
    397                    d5 /= 6.0D;
    398                }
    399
    400                d3 += 0.5D;
    401                d5 = d5 * (double)par6 / 16.0D;
    402                ++l1;
    403
    404                for (int k2 = 0; k2 < par6; ++k2)
    405                {
    406                    double d6 = 0.0D;
    407                    double d7 = adouble1[k2];
    408                    double d8 = this.noiseData2[k1] / 512.0D;
    409                    double d9 = this.noiseData3[k1] / 512.0D;
    410                    double d10 = (this.noiseData1[k1] / 10.0D + 1.0D) / 2.0D;
    411
    412                    if (d10 < 0.0D)
    413                    {
    414                        d6 = d8;
    415                    }
    416                    else if (d10 > 1.0D)
    417                    {
    418                        d6 = d9;
    419                    }
    420                    else
    421                    {
    422                        d6 = d8 + (d9 - d8) * d10;
    423                    }
    424
    425                    d6 -= d7;
    426                    double d11;
    427
    428                    if (k2 > par6 - 4)
    429                    {
    430                        d11 = (double)((float)(k2 - (par6 - 4)) / 3.0F);
    431                        d6 = d6 * (1.0D - d11) + -10.0D * d11;
    432                    }
    433
    434                    if ((double)k2 < d4)
    435                    {
    436                        d11 = (d4 - (double)k2) / 4.0D;
    437
    438                        if (d11 < 0.0D)
    439                        {
    440                            d11 = 0.0D;
    441                        }
    442
    443                        if (d11 > 1.0D)
    444                        {
    445                            d11 = 1.0D;
    446                        }
    447
    448                        d6 = d6 * (1.0D - d11) + -10.0D * d11;
    449                    }
    450
    451                    par1ArrayOfDouble[k1] = d6;
    452                    ++k1;
    453                }
    454            }
    455        }
    456
    457        return par1ArrayOfDouble;
    458    }
    459
    460    /**
    461     * Checks to see if a chunk exists at x, y
    462     */
    463    public boolean chunkExists(int par1, int par2)
    464    {
    465        return true;
    466    }
    467
    468    /**
    469     * Populates chunk with ores etc etc
    470     */
    471    public void populate(IChunkProvider par1IChunkProvider, int par2, int par3)
    472    {
    473        BlockSand.fallInstantly = true;
    474
    475        MinecraftForge.EVENT_BUS.post(new PopulateChunkEvent.Pre(par1IChunkProvider, worldObj, hellRNG, par2, par3, false));
    476
    477        int k = par2 * 16;
    478        int l = par3 * 16;
    479        this.genNetherBridge.generateStructuresInChunk(this.worldObj, this.hellRNG, par2, par3);
    480        int i1;
    481        int j1;
    482        int k1;
    483        int l1;
    484
    485        boolean doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, NETHER_LAVA);
    486        for (i1 = 0; doGen && i1 < 8; ++i1)
    487        {
    488            j1 = k + this.hellRNG.nextInt(16) + 8;
    489            k1 = this.hellRNG.nextInt(120) + 4;
    490            l1 = l + this.hellRNG.nextInt(16) + 8;
    491            (new WorldGenHellLava(Block.lavaMoving.blockID, false)).generate(this.worldObj, this.hellRNG, j1, k1, l1);
    492        }
    493
    494        i1 = this.hellRNG.nextInt(this.hellRNG.nextInt(10) + 1) + 1;
    495        int i2;
    496
    497        doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, FIRE);
    498        for (j1 = 0; doGen && j1 < i1; ++j1)
    499        {
    500            k1 = k + this.hellRNG.nextInt(16) + 8;
    501            l1 = this.hellRNG.nextInt(120) + 4;
    502            i2 = l + this.hellRNG.nextInt(16) + 8;
    503            (new WorldGenFire()).generate(this.worldObj, this.hellRNG, k1, l1, i2);
    504        }
    505
    506        i1 = this.hellRNG.nextInt(this.hellRNG.nextInt(10) + 1);
    507
    508        doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, GLOWSTONE);
    509        for (j1 = 0; doGen && j1 < i1; ++j1)
    510        {
    511            k1 = k + this.hellRNG.nextInt(16) + 8;
    512            l1 = this.hellRNG.nextInt(120) + 4;
    513            i2 = l + this.hellRNG.nextInt(16) + 8;
    514            (new WorldGenGlowStone1()).generate(this.worldObj, this.hellRNG, k1, l1, i2);
    515        }
    516
    517        for (j1 = 0; doGen && j1 < 10; ++j1)
    518        {
    519            k1 = k + this.hellRNG.nextInt(16) + 8;
    520            l1 = this.hellRNG.nextInt(128);
    521            i2 = l + this.hellRNG.nextInt(16) + 8;
    522            (new WorldGenGlowStone2()).generate(this.worldObj, this.hellRNG, k1, l1, i2);
    523        }
    524
    525        MinecraftForge.EVENT_BUS.post(new DecorateBiomeEvent.Pre(worldObj, hellRNG, k, l));
    526
    527        doGen = TerrainGen.decorate(worldObj, hellRNG, k, l, SHROOM);
    528        if (doGen && this.hellRNG.nextInt(1) == 0)
    529        {
    530            j1 = k + this.hellRNG.nextInt(16) + 8;
    531            k1 = this.hellRNG.nextInt(128);
    532            l1 = l + this.hellRNG.nextInt(16) + 8;
    533            (new WorldGenFlowers(Block.mushroomBrown.blockID)).generate(this.worldObj, this.hellRNG, j1, k1, l1);
    534        }
    535
    536        if (doGen && this.hellRNG.nextInt(1) == 0)
    537        {
    538            j1 = k + this.hellRNG.nextInt(16) + 8;
    539            k1 = this.hellRNG.nextInt(128);
    540            l1 = l + this.hellRNG.nextInt(16) + 8;
    541            (new WorldGenFlowers(Block.mushroomRed.blockID)).generate(this.worldObj, this.hellRNG, j1, k1, l1);
    542        }
    543
    544        WorldGenMinable worldgenminable = new WorldGenMinable(Block.oreNetherQuartz.blockID, 13, Block.netherrack.blockID);
    545        int j2;
    546
    547        for (k1 = 0; k1 < 16; ++k1)
    548        {
    549            l1 = k + this.hellRNG.nextInt(16);
    550            i2 = this.hellRNG.nextInt(108) + 10;
    551            j2 = l + this.hellRNG.nextInt(16);
    552            worldgenminable.generate(this.worldObj, this.hellRNG, l1, i2, j2);
    553        }
    554
    555        for (k1 = 0; k1 < 16; ++k1)
    556        {
    557            l1 = k + this.hellRNG.nextInt(16);
    558            i2 = this.hellRNG.nextInt(108) + 10;
    559            j2 = l + this.hellRNG.nextInt(16);
    560            (new WorldGenHellLava(Block.lavaMoving.blockID, true)).generate(this.worldObj, this.hellRNG, l1, i2, j2);
    561        }
    562
    563        MinecraftForge.EVENT_BUS.post(new DecorateBiomeEvent.Post(worldObj, hellRNG, k, l));
    564        MinecraftForge.EVENT_BUS.post(new PopulateChunkEvent.Post(par1IChunkProvider, worldObj, hellRNG, par2, par3, false));
    565
    566        BlockSand.fallInstantly = false;
    567    }
    568
    569    /**
    570     * Two modes of operation: if passed true, save all Chunks in one go.  If passed false, save up to two chunks.
    571     * Return true if all chunks have been saved.
    572     */
    573    public boolean saveChunks(boolean par1, IProgressUpdate par2IProgressUpdate)
    574    {
    575        return true;
    576    }
    577
    578    /**
    579     * Unloads chunks that are marked to be unloaded. This is not guaranteed to unload every such chunk.
    580     */
    581    public boolean unloadQueuedChunks()
    582    {
    583        return false;
    584    }
    585
    586    /**
    587     * Returns if the IChunkProvider supports saving.
    588     */
    589    public boolean canSave()
    590    {
    591        return true;
    592    }
    593
    594    /**
    595     * Converts the instance data to a readable string.
    596     */
    597    public String makeString()
    598    {
    599        return "HellRandomLevelSource";
    600    }
    601
    602    /**
    603     * Returns a list of creatures of the specified type that can spawn at the given location.
    604     */
    605    public List getPossibleCreatures(EnumCreatureType par1EnumCreatureType, int par2, int par3, int par4)
    606    {
    607        if (par1EnumCreatureType == EnumCreatureType.monster && this.genNetherBridge.hasStructureAt(par2, par3, par4))
    608        {
    609            return this.genNetherBridge.getSpawnList();
    610        }
    611        else
    612        {
    613            BiomeGenBase biomegenbase = this.worldObj.getBiomeGenForCoords(par2, par4);
    614            return biomegenbase == null ? null : biomegenbase.getSpawnableList(par1EnumCreatureType);
    615        }
    616    }
    617
    618    /**
    619     * Returns the location of the closest structure of the specified type. If not found returns null.
    620     */
    621    public ChunkPosition findClosestStructure(World par1World, String par2Str, int par3, int par4, int par5)
    622    {
    623        return null;
    624    }
    625
    626    public int getLoadedChunkCount()
    627    {
    628        return 0;
    629    }
    630
    631    public void recreateStructures(int par1, int par2)
    632    {
    633        this.genNetherBridge.generate(this, this.worldObj, par1, par2, (byte[])null);
    634    }
    635}