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 i = 0; i < 16384; ++i)
031        {
032            this.intArray[i] = 0;
033        }
034    }
035
036    public void renderMap(EntityPlayer par1EntityPlayer, RenderEngine par2RenderEngine, MapData par3MapData)
037    {
038        for (int i = 0; i < 16384; ++i)
039        {
040            byte b0 = par3MapData.colors[i];
041
042            if (b0 / 4 == 0)
043            {
044                this.intArray[i] = (i + i / 128 & 1) * 8 + 16 << 24;
045            }
046            else
047            {
048                int j = MapColor.mapColorArray[b0 / 4].colorValue;
049                int k = b0 & 3;
050                short short1 = 220;
051
052                if (k == 2)
053                {
054                    short1 = 255;
055                }
056
057                if (k == 0)
058                {
059                    short1 = 180;
060                }
061
062                int l = (j >> 16 & 255) * short1 / 255;
063                int i1 = (j >> 8 & 255) * short1 / 255;
064                int j1 = (j & 255) * short1 / 255;
065
066                if (this.gameSettings.anaglyph)
067                {
068                    int k1 = (l * 30 + i1 * 59 + j1 * 11) / 100;
069                    int l1 = (l * 30 + i1 * 70) / 100;
070                    int i2 = (l * 30 + j1 * 70) / 100;
071                    l = k1;
072                    i1 = l1;
073                    j1 = i2;
074                }
075
076                this.intArray[i] = -16777216 | l << 16 | i1 << 8 | j1;
077            }
078        }
079
080        par2RenderEngine.createTextureFromBytes(this.intArray, 128, 128, this.bufferedImage);
081        byte b1 = 0;
082        byte b2 = 0;
083        Tessellator tessellator = Tessellator.instance;
084        float f = 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        tessellator.startDrawingQuads();
090        tessellator.addVertexWithUV((double)((float)(b1 + 0) + f), (double)((float)(b2 + 128) - f), -0.009999999776482582D, 0.0D, 1.0D);
091        tessellator.addVertexWithUV((double)((float)(b1 + 128) - f), (double)((float)(b2 + 128) - f), -0.009999999776482582D, 1.0D, 1.0D);
092        tessellator.addVertexWithUV((double)((float)(b1 + 128) - f), (double)((float)(b2 + 0) + f), -0.009999999776482582D, 1.0D, 0.0D);
093        tessellator.addVertexWithUV((double)((float)(b1 + 0) + f), (double)((float)(b2 + 0) + f), -0.009999999776482582D, 0.0D, 0.0D);
094        tessellator.draw();
095        GL11.glEnable(GL11.GL_ALPHA_TEST);
096        GL11.glDisable(GL11.GL_BLEND);
097        par2RenderEngine.func_98185_a();
098        par2RenderEngine.func_98187_b("/misc/mapicons.png");
099        int j2 = 0;
100
101        for (Iterator iterator = par3MapData.playersVisibleOnMap.values().iterator(); iterator.hasNext(); ++j2)
102        {
103            MapCoord mapcoord = (MapCoord)iterator.next();
104            GL11.glPushMatrix();
105            GL11.glTranslatef((float)b1 + (float)mapcoord.centerX / 2.0F + 64.0F, (float)b2 + (float)mapcoord.centerZ / 2.0F + 64.0F, -0.02F);
106            GL11.glRotatef((float)(mapcoord.iconRotation * 360) / 16.0F, 0.0F, 0.0F, 1.0F);
107            GL11.glScalef(4.0F, 4.0F, 3.0F);
108            GL11.glTranslatef(-0.125F, 0.125F, 0.0F);
109            float f1 = (float)(mapcoord.iconSize % 4 + 0) / 4.0F;
110            float f2 = (float)(mapcoord.iconSize / 4 + 0) / 4.0F;
111            float f3 = (float)(mapcoord.iconSize % 4 + 1) / 4.0F;
112            float f4 = (float)(mapcoord.iconSize / 4 + 1) / 4.0F;
113            tessellator.startDrawingQuads();
114            tessellator.addVertexWithUV(-1.0D, 1.0D, (double)((float)j2 * 0.001F), (double)f1, (double)f2);
115            tessellator.addVertexWithUV(1.0D, 1.0D, (double)((float)j2 * 0.001F), (double)f3, (double)f2);
116            tessellator.addVertexWithUV(1.0D, -1.0D, (double)((float)j2 * 0.001F), (double)f3, (double)f4);
117            tessellator.addVertexWithUV(-1.0D, -1.0D, (double)((float)j2 * 0.001F), (double)f1, (double)f4);
118            tessellator.draw();
119            GL11.glPopMatrix();
120        }
121
122        GL11.glPushMatrix();
123        GL11.glTranslatef(0.0F, 0.0F, -0.04F);
124        GL11.glScalef(1.0F, 1.0F, 1.0F);
125        GL11.glPopMatrix();
126    }
127}