001package net.minecraft.client.gui;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import java.awt.image.BufferedImage;
006import java.util.Iterator;
007import net.minecraft.block.material.MapColor;
008import net.minecraft.client.renderer.RenderEngine;
009import net.minecraft.client.renderer.Tessellator;
010import net.minecraft.client.settings.GameSettings;
011import net.minecraft.entity.player.EntityPlayer;
012import net.minecraft.world.storage.MapCoord;
013import net.minecraft.world.storage.MapData;
014import org.lwjgl.opengl.GL11;
015
016@SideOnly(Side.CLIENT)
017public class MapItemRenderer
018{
019    private int[] intArray = new int[16384];
020    private int bufferedImage;
021    private GameSettings gameSettings;
022    private FontRenderer fontRenderer;
023
024    public MapItemRenderer(FontRenderer par1FontRenderer, GameSettings par2GameSettings, RenderEngine par3RenderEngine)
025    {
026        this.gameSettings = par2GameSettings;
027        this.fontRenderer = par1FontRenderer;
028        this.bufferedImage = par3RenderEngine.allocateAndSetupTexture(new BufferedImage(128, 128, 2));
029
030        for (int var4 = 0; var4 < 16384; ++var4)
031        {
032            this.intArray[var4] = 0;
033        }
034    }
035
036    public void renderMap(EntityPlayer par1EntityPlayer, RenderEngine par2RenderEngine, MapData par3MapData)
037    {
038        for (int var4 = 0; var4 < 16384; ++var4)
039        {
040            byte var5 = par3MapData.colors[var4];
041
042            if (var5 / 4 == 0)
043            {
044                this.intArray[var4] = (var4 + var4 / 128 & 1) * 8 + 16 << 24;
045            }
046            else
047            {
048                int var6 = MapColor.mapColorArray[var5 / 4].colorValue;
049                int var7 = var5 & 3;
050                short var8 = 220;
051
052                if (var7 == 2)
053                {
054                    var8 = 255;
055                }
056
057                if (var7 == 0)
058                {
059                    var8 = 180;
060                }
061
062                int var9 = (var6 >> 16 & 255) * var8 / 255;
063                int var10 = (var6 >> 8 & 255) * var8 / 255;
064                int var11 = (var6 & 255) * var8 / 255;
065
066                if (this.gameSettings.anaglyph)
067                {
068                    int var12 = (var9 * 30 + var10 * 59 + var11 * 11) / 100;
069                    int var13 = (var9 * 30 + var10 * 70) / 100;
070                    int var14 = (var9 * 30 + var11 * 70) / 100;
071                    var9 = var12;
072                    var10 = var13;
073                    var11 = var14;
074                }
075
076                this.intArray[var4] = -16777216 | var9 << 16 | var10 << 8 | var11;
077            }
078        }
079
080        par2RenderEngine.createTextureFromBytes(this.intArray, 128, 128, this.bufferedImage);
081        byte var15 = 0;
082        byte var16 = 0;
083        Tessellator var17 = Tessellator.instance;
084        float var18 = 0.0F;
085        GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.bufferedImage);
086        GL11.glEnable(GL11.GL_BLEND);
087        GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
088        GL11.glDisable(GL11.GL_ALPHA_TEST);
089        var17.startDrawingQuads();
090        var17.addVertexWithUV((double)((float)(var15 + 0) + var18), (double)((float)(var16 + 128) - var18), -0.009999999776482582D, 0.0D, 1.0D);
091        var17.addVertexWithUV((double)((float)(var15 + 128) - var18), (double)((float)(var16 + 128) - var18), -0.009999999776482582D, 1.0D, 1.0D);
092        var17.addVertexWithUV((double)((float)(var15 + 128) - var18), (double)((float)(var16 + 0) + var18), -0.009999999776482582D, 1.0D, 0.0D);
093        var17.addVertexWithUV((double)((float)(var15 + 0) + var18), (double)((float)(var16 + 0) + var18), -0.009999999776482582D, 0.0D, 0.0D);
094        var17.draw();
095        GL11.glEnable(GL11.GL_ALPHA_TEST);
096        GL11.glDisable(GL11.GL_BLEND);
097        par2RenderEngine.bindTexture(par2RenderEngine.getTexture("/misc/mapicons.png"));
098        int var19 = 0;
099
100        for (Iterator var20 = par3MapData.playersVisibleOnMap.values().iterator(); var20.hasNext(); ++var19)
101        {
102            MapCoord var21 = (MapCoord)var20.next();
103            GL11.glPushMatrix();
104            GL11.glTranslatef((float)var15 + (float)var21.centerX / 2.0F + 64.0F, (float)var16 + (float)var21.centerZ / 2.0F + 64.0F, -0.02F);
105            GL11.glRotatef((float)(var21.iconRotation * 360) / 16.0F, 0.0F, 0.0F, 1.0F);
106            GL11.glScalef(4.0F, 4.0F, 3.0F);
107            GL11.glTranslatef(-0.125F, 0.125F, 0.0F);
108            float var23 = (float)(var21.iconSize % 4 + 0) / 4.0F;
109            float var22 = (float)(var21.iconSize / 4 + 0) / 4.0F;
110            float var24 = (float)(var21.iconSize % 4 + 1) / 4.0F;
111            float var25 = (float)(var21.iconSize / 4 + 1) / 4.0F;
112            var17.startDrawingQuads();
113            var17.addVertexWithUV(-1.0D, 1.0D, (double)((float)var19 * 0.001F), (double)var23, (double)var22);
114            var17.addVertexWithUV(1.0D, 1.0D, (double)((float)var19 * 0.001F), (double)var24, (double)var22);
115            var17.addVertexWithUV(1.0D, -1.0D, (double)((float)var19 * 0.001F), (double)var24, (double)var25);
116            var17.addVertexWithUV(-1.0D, -1.0D, (double)((float)var19 * 0.001F), (double)var23, (double)var25);
117            var17.draw();
118            GL11.glPopMatrix();
119        }
120
121        GL11.glPushMatrix();
122        GL11.glTranslatef(0.0F, 0.0F, -0.04F);
123        GL11.glScalef(1.0F, 1.0F, 1.0F);
124        GL11.glPopMatrix();
125    }
126}