    001package net.minecraft.client.renderer.texturefx;
    002
    003import cpw.mods.fml.client.FMLTextureFX;
    004import cpw.mods.fml.relauncher.Side;
    005import cpw.mods.fml.relauncher.SideOnly;
    006import net.minecraft.block.Block;
    007import net.minecraft.util.MathHelper;
    008
    009@SideOnly(Side.CLIENT)
    010public class TextureLavaFlowFX extends FMLTextureFX
    011{
    012    protected float[] field_76871_g = new float[256];
    013    protected float[] field_76874_h = new float[256];
    014    protected float[] field_76875_i = new float[256];
    015    protected float[] field_76872_j = new float[256];
    016    int field_76873_k = 0;
    017
    018    public TextureLavaFlowFX()
    019    {
    020        super(Block.lavaMoving.blockIndexInTexture + 1);
    021        this.tileSize = 2;
    022        setup();
    023    }
    024
    025    @Override
    026    public void setup()
    027    {
    028        super.setup();
    029        field_76871_g = new float[tileSizeSquare];
    030        field_76874_h = new float[tileSizeSquare];
    031        field_76875_i = new float[tileSizeSquare];
    032        field_76872_j = new float[tileSizeSquare];
    033        field_76873_k = 0;
    034    }
    035
    036    public void onTick()
    037    {
    038        ++this.field_76873_k;
    039        int var2;
    040        float var3;
    041        int var5;
    042        int var6;
    043        int var7;
    044        int var8;
    045        int var9;
    046
    047        for (int var1 = 0; var1 < tileSizeBase; ++var1)
    048        {
    049            for (var2 = 0; var2 < tileSizeBase; ++var2)
    050            {
    051                var3 = 0.0F;
    052                int var4 = (int)(MathHelper.sin((float)var2 * (float)Math.PI * 2.0F / 16.0F) * 1.2F);
    053                var5 = (int)(MathHelper.sin((float)var1 * (float)Math.PI * 2.0F / 16.0F) * 1.2F);
    054
    055                for (var6 = var1 - 1; var6 <= var1 + 1; ++var6)
    056                {
    057                    for (var7 = var2 - 1; var7 <= var2 + 1; ++var7)
    058                    {
    059                        var8 = var6 + var4 & tileSizeMask;
    060                        var9 = var7 + var5 & tileSizeMask;
    061                        var3 += this.field_76871_g[var8 + var9 * tileSizeBase];
    062                    }
    063                }
    064
    065                this.field_76874_h[var1 + var2 * tileSizeBase] = var3 / 10.0F + (this.field_76875_i[(var1 + 0 & tileSizeMask) + (var2 + 0 & tileSizeMask) * tileSizeBase] + this.field_76875_i[(var1 + 1 & tileSizeMask) + (var2 + 0 & tileSizeMask) * tileSizeBase] + this.field_76875_i[(var1 + 1 & tileSizeMask) + (var2 + 1 & tileSizeMask) * tileSizeBase] + this.field_76875_i[(var1 + 0 & tileSizeMask) + (var2 + 1 & tileSizeMask) * tileSizeBase]) / 4.0F * 0.8F;
    066                this.field_76875_i[var1 + var2 * tileSizeBase] += this.field_76872_j[var1 + var2 * tileSizeBase] * 0.01F;
    067
    068                if (this.field_76875_i[var1 + var2 * tileSizeBase] < 0.0F)
    069                {
    070                    this.field_76875_i[var1 + var2 * tileSizeBase] = 0.0F;
    071                }
    072
    073                this.field_76872_j[var1 + var2 * tileSizeBase] -= 0.06F;
    074
    075                if (Math.random() < 0.005D)
    076                {
    077                    this.field_76872_j[var1 + var2 * tileSizeBase] = 1.5F;
    078                }
    079            }
    080        }
    081
    082        float[] var11 = this.field_76874_h;
    083        this.field_76874_h = this.field_76871_g;
    084        this.field_76871_g = var11;
    085
    086        for (var2 = 0; var2 < tileSizeSquare; ++var2)
    087        {
    088            var3 = this.field_76871_g[(var2 - this.field_76873_k / 3 * tileSizeBase) & tileSizeSquareMask] * 2.0F;
    089
    090            if (var3 > 1.0F)
    091            {
    092                var3 = 1.0F;
    093            }
    094
    095            if (var3 < 0.0F)
    096            {
    097                var3 = 0.0F;
    098            }
    099
    100            var5 = (int)(var3 * 100.0F + 155.0F);
    101            var6 = (int)(var3 * var3 * 255.0F);
    102            var7 = (int)(var3 * var3 * var3 * var3 * 128.0F);
    103
    104            if (this.anaglyphEnabled)
    105            {
    106                var8 = (var5 * 30 + var6 * 59 + var7 * 11) / 100;
    107                var9 = (var5 * 30 + var6 * 70) / 100;
    108                int var10 = (var5 * 30 + var7 * 70) / 100;
    109                var5 = var8;
    110                var6 = var9;
    111                var7 = var10;
    112            }
    113
    114            this.imageData[var2 * 4 + 0] = (byte)var5;
    115            this.imageData[var2 * 4 + 1] = (byte)var6;
    116            this.imageData[var2 * 4 + 2] = (byte)var7;
    117            this.imageData[var2 * 4 + 3] = -1;
    118        }
    119    }
    120}