    001package net.minecraft.client.renderer.entity;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.client.renderer.OpenGlHelper;
    006import net.minecraft.client.renderer.Tessellator;
    007import net.minecraft.entity.Entity;
    008import net.minecraft.entity.item.EntityPainting;
    009import net.minecraft.util.EnumArt;
    010import net.minecraft.util.MathHelper;
    011import org.lwjgl.opengl.GL11;
    012import org.lwjgl.opengl.GL12;
    013
    014@SideOnly(Side.CLIENT)
    015public class RenderPainting extends Render
    016{
    017    public void renderThePainting(EntityPainting par1EntityPainting, double par2, double par4, double par6, float par8, float par9)
    018    {
    019        GL11.glPushMatrix();
    020        GL11.glTranslatef((float)par2, (float)par4, (float)par6);
    021        GL11.glRotatef(par8, 0.0F, 1.0F, 0.0F);
    022        GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    023        this.loadTexture("/art/kz.png");
    024        EnumArt var10 = par1EntityPainting.art;
    025        float var11 = 0.0625F;
    026        GL11.glScalef(var11, var11, var11);
    027        this.func_77010_a(par1EntityPainting, var10.sizeX, var10.sizeY, var10.offsetX, var10.offsetY);
    028        GL11.glDisable(GL12.GL_RESCALE_NORMAL);
    029        GL11.glPopMatrix();
    030    }
    031
    032    private void func_77010_a(EntityPainting par1EntityPainting, int par2, int par3, int par4, int par5)
    033    {
    034        float var6 = (float)(-par2) / 2.0F;
    035        float var7 = (float)(-par3) / 2.0F;
    036        float var8 = 0.5F;
    037        float var9 = 0.75F;
    038        float var10 = 0.8125F;
    039        float var11 = 0.0F;
    040        float var12 = 0.0625F;
    041        float var13 = 0.75F;
    042        float var14 = 0.8125F;
    043        float var15 = 0.001953125F;
    044        float var16 = 0.001953125F;
    045        float var17 = 0.7519531F;
    046        float var18 = 0.7519531F;
    047        float var19 = 0.0F;
    048        float var20 = 0.0625F;
    049
    050        for (int var21 = 0; var21 < par2 / 16; ++var21)
    051        {
    052            for (int var22 = 0; var22 < par3 / 16; ++var22)
    053            {
    054                float var23 = var6 + (float)((var21 + 1) * 16);
    055                float var24 = var6 + (float)(var21 * 16);
    056                float var25 = var7 + (float)((var22 + 1) * 16);
    057                float var26 = var7 + (float)(var22 * 16);
    058                this.func_77008_a(par1EntityPainting, (var23 + var24) / 2.0F, (var25 + var26) / 2.0F);
    059                float var27 = (float)(par4 + par2 - var21 * 16) / 256.0F;
    060                float var28 = (float)(par4 + par2 - (var21 + 1) * 16) / 256.0F;
    061                float var29 = (float)(par5 + par3 - var22 * 16) / 256.0F;
    062                float var30 = (float)(par5 + par3 - (var22 + 1) * 16) / 256.0F;
    063                Tessellator var31 = Tessellator.instance;
    064                var31.startDrawingQuads();
    065                var31.setNormal(0.0F, 0.0F, -1.0F);
    066                var31.addVertexWithUV((double)var23, (double)var26, (double)(-var8), (double)var28, (double)var29);
    067                var31.addVertexWithUV((double)var24, (double)var26, (double)(-var8), (double)var27, (double)var29);
    068                var31.addVertexWithUV((double)var24, (double)var25, (double)(-var8), (double)var27, (double)var30);
    069                var31.addVertexWithUV((double)var23, (double)var25, (double)(-var8), (double)var28, (double)var30);
    070                var31.setNormal(0.0F, 0.0F, 1.0F);
    071                var31.addVertexWithUV((double)var23, (double)var25, (double)var8, (double)var9, (double)var11);
    072                var31.addVertexWithUV((double)var24, (double)var25, (double)var8, (double)var10, (double)var11);
    073                var31.addVertexWithUV((double)var24, (double)var26, (double)var8, (double)var10, (double)var12);
    074                var31.addVertexWithUV((double)var23, (double)var26, (double)var8, (double)var9, (double)var12);
    075                var31.setNormal(0.0F, 1.0F, 0.0F);
    076                var31.addVertexWithUV((double)var23, (double)var25, (double)(-var8), (double)var13, (double)var15);
    077                var31.addVertexWithUV((double)var24, (double)var25, (double)(-var8), (double)var14, (double)var15);
    078                var31.addVertexWithUV((double)var24, (double)var25, (double)var8, (double)var14, (double)var16);
    079                var31.addVertexWithUV((double)var23, (double)var25, (double)var8, (double)var13, (double)var16);
    080                var31.setNormal(0.0F, -1.0F, 0.0F);
    081                var31.addVertexWithUV((double)var23, (double)var26, (double)var8, (double)var13, (double)var15);
    082                var31.addVertexWithUV((double)var24, (double)var26, (double)var8, (double)var14, (double)var15);
    083                var31.addVertexWithUV((double)var24, (double)var26, (double)(-var8), (double)var14, (double)var16);
    084                var31.addVertexWithUV((double)var23, (double)var26, (double)(-var8), (double)var13, (double)var16);
    085                var31.setNormal(-1.0F, 0.0F, 0.0F);
    086                var31.addVertexWithUV((double)var23, (double)var25, (double)var8, (double)var18, (double)var19);
    087                var31.addVertexWithUV((double)var23, (double)var26, (double)var8, (double)var18, (double)var20);
    088                var31.addVertexWithUV((double)var23, (double)var26, (double)(-var8), (double)var17, (double)var20);
    089                var31.addVertexWithUV((double)var23, (double)var25, (double)(-var8), (double)var17, (double)var19);
    090                var31.setNormal(1.0F, 0.0F, 0.0F);
    091                var31.addVertexWithUV((double)var24, (double)var25, (double)(-var8), (double)var18, (double)var19);
    092                var31.addVertexWithUV((double)var24, (double)var26, (double)(-var8), (double)var18, (double)var20);
    093                var31.addVertexWithUV((double)var24, (double)var26, (double)var8, (double)var17, (double)var20);
    094                var31.addVertexWithUV((double)var24, (double)var25, (double)var8, (double)var17, (double)var19);
    095                var31.draw();
    096            }
    097        }
    098    }
    099
    100    private void func_77008_a(EntityPainting par1EntityPainting, float par2, float par3)
    101    {
    102        int var4 = MathHelper.floor_double(par1EntityPainting.posX);
    103        int var5 = MathHelper.floor_double(par1EntityPainting.posY + (double)(par3 / 16.0F));
    104        int var6 = MathHelper.floor_double(par1EntityPainting.posZ);
    105
    106        if (par1EntityPainting.hangingDirection == 2)
    107        {
    108            var4 = MathHelper.floor_double(par1EntityPainting.posX + (double)(par2 / 16.0F));
    109        }
    110
    111        if (par1EntityPainting.hangingDirection == 1)
    112        {
    113            var6 = MathHelper.floor_double(par1EntityPainting.posZ - (double)(par2 / 16.0F));
    114        }
    115
    116        if (par1EntityPainting.hangingDirection == 0)
    117        {
    118            var4 = MathHelper.floor_double(par1EntityPainting.posX - (double)(par2 / 16.0F));
    119        }
    120
    121        if (par1EntityPainting.hangingDirection == 3)
    122        {
    123            var6 = MathHelper.floor_double(par1EntityPainting.posZ + (double)(par2 / 16.0F));
    124        }
    125
    126        int var7 = this.renderManager.worldObj.getLightBrightnessForSkyBlocks(var4, var5, var6, 0);
    127        int var8 = var7 % 65536;
    128        int var9 = var7 / 65536;
    129        OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)var8, (float)var9);
    130        GL11.glColor3f(1.0F, 1.0F, 1.0F);
    131    }
    132
    133    /**
    134     * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
    135     * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
    136     * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1,
    137     * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
    138     */
    139    public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
    140    {
    141        this.renderThePainting((EntityPainting)par1Entity, par2, par4, par6, par8, par9);
    142    }
    143}