001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.awt.image.BufferedImage;
006    import java.util.Iterator;
007    import org.lwjgl.opengl.GL11;
008    
009    @SideOnly(Side.CLIENT)
010    public class MapItemRenderer
011    {
012        private int[] intArray = new int[16384];
013        private int bufferedImage;
014        private GameSettings gameSettings;
015        private FontRenderer fontRenderer;
016    
017        public MapItemRenderer(FontRenderer par1FontRenderer, GameSettings par2GameSettings, RenderEngine par3RenderEngine)
018        {
019            this.gameSettings = par2GameSettings;
020            this.fontRenderer = par1FontRenderer;
021            this.bufferedImage = par3RenderEngine.allocateAndSetupTexture(new BufferedImage(128, 128, 2));
022    
023            for (int var4 = 0; var4 < 16384; ++var4)
024            {
025                this.intArray[var4] = 0;
026            }
027        }
028    
029        public void renderMap(EntityPlayer par1EntityPlayer, RenderEngine par2RenderEngine, MapData par3MapData)
030        {
031            for (int var4 = 0; var4 < 16384; ++var4)
032            {
033                byte var5 = par3MapData.colors[var4];
034    
035                if (var5 / 4 == 0)
036                {
037                    this.intArray[var4] = (var4 + var4 / 128 & 1) * 8 + 16 << 24;
038                }
039                else
040                {
041                    int var6 = MapColor.mapColorArray[var5 / 4].colorValue;
042                    int var7 = var5 & 3;
043                    short var8 = 220;
044    
045                    if (var7 == 2)
046                    {
047                        var8 = 255;
048                    }
049    
050                    if (var7 == 0)
051                    {
052                        var8 = 180;
053                    }
054    
055                    int var9 = (var6 >> 16 & 255) * var8 / 255;
056                    int var10 = (var6 >> 8 & 255) * var8 / 255;
057                    int var11 = (var6 & 255) * var8 / 255;
058    
059                    if (this.gameSettings.anaglyph)
060                    {
061                        int var12 = (var9 * 30 + var10 * 59 + var11 * 11) / 100;
062                        int var13 = (var9 * 30 + var10 * 70) / 100;
063                        int var14 = (var9 * 30 + var11 * 70) / 100;
064                        var9 = var12;
065                        var10 = var13;
066                        var11 = var14;
067                    }
068    
069                    this.intArray[var4] = -16777216 | var9 << 16 | var10 << 8 | var11;
070                }
071            }
072    
073            par2RenderEngine.createTextureFromBytes(this.intArray, 128, 128, this.bufferedImage);
074            byte var15 = 0;
075            byte var16 = 0;
076            Tessellator var17 = Tessellator.instance;
077            float var18 = 0.0F;
078            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.bufferedImage);
079            GL11.glEnable(GL11.GL_BLEND);
080            GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
081            GL11.glDisable(GL11.GL_ALPHA_TEST);
082            var17.startDrawingQuads();
083            var17.addVertexWithUV((double)((float)(var15 + 0) + var18), (double)((float)(var16 + 128) - var18), -0.009999999776482582D, 0.0D, 1.0D);
084            var17.addVertexWithUV((double)((float)(var15 + 128) - var18), (double)((float)(var16 + 128) - var18), -0.009999999776482582D, 1.0D, 1.0D);
085            var17.addVertexWithUV((double)((float)(var15 + 128) - var18), (double)((float)(var16 + 0) + var18), -0.009999999776482582D, 1.0D, 0.0D);
086            var17.addVertexWithUV((double)((float)(var15 + 0) + var18), (double)((float)(var16 + 0) + var18), -0.009999999776482582D, 0.0D, 0.0D);
087            var17.draw();
088            GL11.glEnable(GL11.GL_ALPHA_TEST);
089            GL11.glDisable(GL11.GL_BLEND);
090            par2RenderEngine.bindTexture(par2RenderEngine.getTexture("/misc/mapicons.png"));
091            Iterator var19 = par3MapData.playersVisibleOnMap.iterator();
092    
093            while (var19.hasNext())
094            {
095                MapCoord var20 = (MapCoord)var19.next();
096                GL11.glPushMatrix();
097                GL11.glTranslatef((float)var15 + (float)var20.centerX / 2.0F + 64.0F, (float)var16 + (float)var20.centerZ / 2.0F + 64.0F, -0.02F);
098                GL11.glRotatef((float)(var20.iconRotation * 360) / 16.0F, 0.0F, 0.0F, 1.0F);
099                GL11.glScalef(4.0F, 4.0F, 3.0F);
100                GL11.glTranslatef(-0.125F, 0.125F, 0.0F);
101                float var21 = (float)(var20.iconSize % 4 + 0) / 4.0F;
102                float var23 = (float)(var20.iconSize / 4 + 0) / 4.0F;
103                float var22 = (float)(var20.iconSize % 4 + 1) / 4.0F;
104                float var24 = (float)(var20.iconSize / 4 + 1) / 4.0F;
105                var17.startDrawingQuads();
106                var17.addVertexWithUV(-1.0D, 1.0D, 0.0D, (double)var21, (double)var23);
107                var17.addVertexWithUV(1.0D, 1.0D, 0.0D, (double)var22, (double)var23);
108                var17.addVertexWithUV(1.0D, -1.0D, 0.0D, (double)var22, (double)var24);
109                var17.addVertexWithUV(-1.0D, -1.0D, 0.0D, (double)var21, (double)var24);
110                var17.draw();
111                GL11.glPopMatrix();
112            }
113    
114            GL11.glPushMatrix();
115            GL11.glTranslatef(0.0F, 0.0F, -0.04F);
116            GL11.glScalef(1.0F, 1.0F, 1.0F);
117            this.fontRenderer.drawString(par3MapData.mapName, var15, var16, -16777216);
118            GL11.glPopMatrix();
119        }
120    }