    001package net.minecraft.world.gen.layer;
    002
    003import net.minecraft.world.biome.BiomeGenBase;
    004
    005public class GenLayerShore extends GenLayer
    006{
    007    public GenLayerShore(long par1, GenLayer par3GenLayer)
    008    {
    009        super(par1);
    010        this.parent = par3GenLayer;
    011    }
    012
    013    /**
    014     * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
    015     * amounts, or biomeList[] indices based on the particular GenLayer subclass.
    016     */
    017    public int[] getInts(int par1, int par2, int par3, int par4)
    018    {
    019        int[] aint = this.parent.getInts(par1 - 1, par2 - 1, par3 + 2, par4 + 2);
    020        int[] aint1 = IntCache.getIntCache(par3 * par4);
    021
    022        for (int i1 = 0; i1 < par4; ++i1)
    023        {
    024            for (int j1 = 0; j1 < par3; ++j1)
    025            {
    026                this.initChunkSeed((long)(j1 + par1), (long)(i1 + par2));
    027                int k1 = aint[j1 + 1 + (i1 + 1) * (par3 + 2)];
    028                int l1;
    029                int i2;
    030                int j2;
    031                int k2;
    032
    033                if (k1 == BiomeGenBase.mushroomIsland.biomeID)
    034                {
    035                    l1 = aint[j1 + 1 + (i1 + 1 - 1) * (par3 + 2)];
    036                    i2 = aint[j1 + 1 + 1 + (i1 + 1) * (par3 + 2)];
    037                    j2 = aint[j1 + 1 - 1 + (i1 + 1) * (par3 + 2)];
    038                    k2 = aint[j1 + 1 + (i1 + 1 + 1) * (par3 + 2)];
    039
    040                    if (l1 != BiomeGenBase.ocean.biomeID && i2 != BiomeGenBase.ocean.biomeID && j2 != BiomeGenBase.ocean.biomeID && k2 != BiomeGenBase.ocean.biomeID)
    041                    {
    042                        aint1[j1 + i1 * par3] = k1;
    043                    }
    044                    else
    045                    {
    046                        aint1[j1 + i1 * par3] = BiomeGenBase.mushroomIslandShore.biomeID;
    047                    }
    048                }
    049                else if (k1 != BiomeGenBase.ocean.biomeID && k1 != BiomeGenBase.river.biomeID && k1 != BiomeGenBase.swampland.biomeID && k1 != BiomeGenBase.extremeHills.biomeID)
    050                {
    051                    l1 = aint[j1 + 1 + (i1 + 1 - 1) * (par3 + 2)];
    052                    i2 = aint[j1 + 1 + 1 + (i1 + 1) * (par3 + 2)];
    053                    j2 = aint[j1 + 1 - 1 + (i1 + 1) * (par3 + 2)];
    054                    k2 = aint[j1 + 1 + (i1 + 1 + 1) * (par3 + 2)];
    055
    056                    if (l1 != BiomeGenBase.ocean.biomeID && i2 != BiomeGenBase.ocean.biomeID && j2 != BiomeGenBase.ocean.biomeID && k2 != BiomeGenBase.ocean.biomeID)
    057                    {
    058                        aint1[j1 + i1 * par3] = k1;
    059                    }
    060                    else
    061                    {
    062                        aint1[j1 + i1 * par3] = BiomeGenBase.beach.biomeID;
    063                    }
    064                }
    065                else if (k1 == BiomeGenBase.extremeHills.biomeID)
    066                {
    067                    l1 = aint[j1 + 1 + (i1 + 1 - 1) * (par3 + 2)];
    068                    i2 = aint[j1 + 1 + 1 + (i1 + 1) * (par3 + 2)];
    069                    j2 = aint[j1 + 1 - 1 + (i1 + 1) * (par3 + 2)];
    070                    k2 = aint[j1 + 1 + (i1 + 1 + 1) * (par3 + 2)];
    071
    072                    if (l1 == BiomeGenBase.extremeHills.biomeID && i2 == BiomeGenBase.extremeHills.biomeID && j2 == BiomeGenBase.extremeHills.biomeID && k2 == BiomeGenBase.extremeHills.biomeID)
    073                    {
    074                        aint1[j1 + i1 * par3] = k1;
    075                    }
    076                    else
    077                    {
    078                        aint1[j1 + i1 * par3] = BiomeGenBase.extremeHillsEdge.biomeID;
    079                    }
    080                }
    081                else
    082                {
    083                    aint1[j1 + i1 * par3] = k1;
    084                }
    085            }
    086        }
    087
    088        return aint1;
    089    }
    090}