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}