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 TextureLavaFX extends FMLTextureFX
011{
012    protected float[] field_76876_g = new float[256];
013    protected float[] field_76878_h = new float[256];
014    protected float[] field_76879_i = new float[256];
015    protected float[] field_76877_j = new float[256];
016
017    public TextureLavaFX()
018    {
019        super(Block.lavaMoving.blockIndexInTexture);
020        setup();
021    }
022
023    @Override
024    public void setup()
025    {
026        super.setup();
027        field_76876_g = new float[tileSizeSquare];
028        field_76878_h = new float[tileSizeSquare];
029        field_76879_i = new float[tileSizeSquare];
030        field_76877_j = new float[tileSizeSquare];
031    }
032
033    public void onTick()
034    {
035        int var2;
036        float var3;
037        int var5;
038        int var6;
039        int var7;
040        int var8;
041        int var9;
042
043        for (int var1 = 0; var1 < tileSizeBase; ++var1)
044        {
045            for (var2 = 0; var2 < tileSizeBase; ++var2)
046            {
047                var3 = 0.0F;
048                int var4 = (int)(MathHelper.sin((float)var2 * (float)Math.PI * 2.0F / 16.0F) * 1.2F);
049                var5 = (int)(MathHelper.sin((float)var1 * (float)Math.PI * 2.0F / 16.0F) * 1.2F);
050
051                for (var6 = var1 - 1; var6 <= var1 + 1; ++var6)
052                {
053                    for (var7 = var2 - 1; var7 <= var2 + 1; ++var7)
054                    {
055                        var8 = var6 + var4 & tileSizeMask;
056                        var9 = var7 + var5 & tileSizeMask;
057                        var3 += this.field_76876_g[var8 + var9 * tileSizeBase];
058                    }
059                }
060
061                this.field_76878_h[var1 + var2 * tileSizeBase] = var3 / 10.0F + (this.field_76879_i[(var1 + 0 & tileSizeMask) + (var2 + 0 & tileSizeMask) * tileSizeBase] + this.field_76879_i[(var1 + 1 & tileSizeMask) + (var2 + 0 & tileSizeMask) * tileSizeBase] + this.field_76879_i[(var1 + 1 & tileSizeMask) + (var2 + 1 & tileSizeMask) * tileSizeBase] + this.field_76879_i[(var1 + 0 & tileSizeMask) + (var2 + 1 & tileSizeMask) * tileSizeBase]) / 4.0F * 0.8F;
062                this.field_76879_i[var1 + var2 * tileSizeBase] += this.field_76877_j[var1 + var2 * tileSizeBase] * 0.01F;
063
064                if (this.field_76879_i[var1 + var2 * tileSizeBase] < 0.0F)
065                {
066                    this.field_76879_i[var1 + var2 * tileSizeBase] = 0.0F;
067                }
068
069                this.field_76877_j[var1 + var2 * tileSizeBase] -= 0.06F;
070
071                if (Math.random() < 0.005D)
072                {
073                    this.field_76877_j[var1 + var2 * tileSizeBase] = 1.5F;
074                }
075            }
076        }
077
078        float[] var11 = this.field_76878_h;
079        this.field_76878_h = this.field_76876_g;
080        this.field_76876_g = var11;
081
082        for (var2 = 0; var2 < tileSizeSquare; ++var2)
083        {
084            var3 = this.field_76876_g[var2] * 2.0F;
085
086            if (var3 > 1.0F)
087            {
088                var3 = 1.0F;
089            }
090
091            if (var3 < 0.0F)
092            {
093                var3 = 0.0F;
094            }
095
096            var5 = (int)(var3 * 100.0F + 155.0F);
097            var6 = (int)(var3 * var3 * 255.0F);
098            var7 = (int)(var3 * var3 * var3 * var3 * 128.0F);
099
100            if (this.anaglyphEnabled)
101            {
102                var8 = (var5 * 30 + var6 * 59 + var7 * 11) / 100;
103                var9 = (var5 * 30 + var6 * 70) / 100;
104                int var10 = (var5 * 30 + var7 * 70) / 100;
105                var5 = var8;
106                var6 = var9;
107                var7 = var10;
108            }
109
110            this.imageData[var2 * 4 + 0] = (byte)var5;
111            this.imageData[var2 * 4 + 1] = (byte)var6;
112            this.imageData[var2 * 4 + 2] = (byte)var7;
113            this.imageData[var2 * 4 + 3] = -1;
114        }
115    }
116}