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