001 package net.minecraft.client.renderer.texturefx;
002
003 import cpw.mods.fml.client.FMLTextureFX;
004 import cpw.mods.fml.relauncher.Side;
005 import cpw.mods.fml.relauncher.SideOnly;
006 import net.minecraft.block.Block;
007
008 @SideOnly(Side.CLIENT)
009 public class TextureWaterFlowFX extends FMLTextureFX
010 {
011 protected float[] field_76880_g = new float[256];
012 protected float[] field_76883_h = new float[256];
013 protected float[] field_76884_i = new float[256];
014 protected float[] field_76881_j = new float[256];
015 private int tickCounter = 0;
016
017 public TextureWaterFlowFX()
018 {
019 super(Block.waterMoving.blockIndexInTexture + 1);
020 this.tileSize = 2;
021 setup();
022 }
023
024 @Override
025 public void setup()
026 {
027 super.setup();
028 field_76880_g = new float[tileSizeSquare];
029 field_76883_h = new float[tileSizeSquare];
030 field_76884_i = new float[tileSizeSquare];
031 field_76881_j = new float[tileSizeSquare];
032 tickCounter = 0;
033 }
034
035 public void onTick()
036 {
037 ++this.tickCounter;
038 int var1;
039 int var2;
040 float var3;
041 int var5;
042 int var6;
043
044 for (var1 = 0; var1 < tileSizeBase; ++var1)
045 {
046 for (var2 = 0; var2 < tileSizeBase; ++var2)
047 {
048 var3 = 0.0F;
049
050 for (int var4 = var2 - 2; var4 <= var2; ++var4)
051 {
052 var5 = var1 & tileSizeMask;
053 var6 = var4 & tileSizeMask;
054 var3 += this.field_76880_g[var5 + var6 * tileSizeBase];
055 }
056
057 this.field_76883_h[var1 + var2 * tileSizeBase] = var3 / 3.2F + this.field_76884_i[var1 + var2 * tileSizeBase] * 0.8F;
058 }
059 }
060
061 for (var1 = 0; var1 < tileSizeBase; ++var1)
062 {
063 for (var2 = 0; var2 < tileSizeBase; ++var2)
064 {
065 this.field_76884_i[var1 + var2 * tileSizeBase] += this.field_76881_j[var1 + var2 * tileSizeBase] * 0.05F;
066
067 if (this.field_76884_i[var1 + var2 * tileSizeBase] < 0.0F)
068 {
069 this.field_76884_i[var1 + var2 * tileSizeBase] = 0.0F;
070 }
071
072 this.field_76881_j[var1 + var2 * tileSizeBase] -= 0.3F;
073
074 if (Math.random() < 0.2D)
075 {
076 this.field_76881_j[var1 + var2 * tileSizeBase] = 0.5F;
077 }
078 }
079 }
080
081 float[] var12 = this.field_76883_h;
082 this.field_76883_h = this.field_76880_g;
083 this.field_76880_g = var12;
084
085 for (var2 = 0; var2 < tileSizeSquare; ++var2)
086 {
087 var3 = this.field_76880_g[var2 - this.tickCounter * tileSizeBase & tileSizeSquareMask];
088
089 if (var3 > 1.0F)
090 {
091 var3 = 1.0F;
092 }
093
094 if (var3 < 0.0F)
095 {
096 var3 = 0.0F;
097 }
098
099 float var13 = var3 * var3;
100 var5 = (int)(32.0F + var13 * 32.0F);
101 var6 = (int)(50.0F + var13 * 64.0F);
102 int var7 = 255;
103 int var8 = (int)(146.0F + var13 * 50.0F);
104
105 if (this.anaglyphEnabled)
106 {
107 int var9 = (var5 * 30 + var6 * 59 + var7 * 11) / 100;
108 int var10 = (var5 * 30 + var6 * 70) / 100;
109 int var11 = (var5 * 30 + var7 * 70) / 100;
110 var5 = var9;
111 var6 = var10;
112 var7 = var11;
113 }
114
115 this.imageData[var2 * 4 + 0] = (byte)var5;
116 this.imageData[var2 * 4 + 1] = (byte)var6;
117 this.imageData[var2 * 4 + 2] = (byte)var7;
118 this.imageData[var2 * 4 + 3] = (byte)var8;
119 }
120 }
121 }