    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 enumart = par1EntityPainting.art;
    025        float f2 = 0.0625F;
    026        GL11.glScalef(f2, f2, f2);
    027        this.func_77010_a(par1EntityPainting, enumart.sizeX, enumart.sizeY, enumart.offsetX, enumart.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 f = (float)(-par2) / 2.0F;
    035        float f1 = (float)(-par3) / 2.0F;
    036        float f2 = 0.5F;
    037        float f3 = 0.75F;
    038        float f4 = 0.8125F;
    039        float f5 = 0.0F;
    040        float f6 = 0.0625F;
    041        float f7 = 0.75F;
    042        float f8 = 0.8125F;
    043        float f9 = 0.001953125F;
    044        float f10 = 0.001953125F;
    045        float f11 = 0.7519531F;
    046        float f12 = 0.7519531F;
    047        float f13 = 0.0F;
    048        float f14 = 0.0625F;
    049
    050        for (int i1 = 0; i1 < par2 / 16; ++i1)
    051        {
    052            for (int j1 = 0; j1 < par3 / 16; ++j1)
    053            {
    054                float f15 = f + (float)((i1 + 1) * 16);
    055                float f16 = f + (float)(i1 * 16);
    056                float f17 = f1 + (float)((j1 + 1) * 16);
    057                float f18 = f1 + (float)(j1 * 16);
    058                this.func_77008_a(par1EntityPainting, (f15 + f16) / 2.0F, (f17 + f18) / 2.0F);
    059                float f19 = (float)(par4 + par2 - i1 * 16) / 256.0F;
    060                float f20 = (float)(par4 + par2 - (i1 + 1) * 16) / 256.0F;
    061                float f21 = (float)(par5 + par3 - j1 * 16) / 256.0F;
    062                float f22 = (float)(par5 + par3 - (j1 + 1) * 16) / 256.0F;
    063                Tessellator tessellator = Tessellator.instance;
    064                tessellator.startDrawingQuads();
    065                tessellator.setNormal(0.0F, 0.0F, -1.0F);
    066                tessellator.addVertexWithUV((double)f15, (double)f18, (double)(-f2), (double)f20, (double)f21);
    067                tessellator.addVertexWithUV((double)f16, (double)f18, (double)(-f2), (double)f19, (double)f21);
    068                tessellator.addVertexWithUV((double)f16, (double)f17, (double)(-f2), (double)f19, (double)f22);
    069                tessellator.addVertexWithUV((double)f15, (double)f17, (double)(-f2), (double)f20, (double)f22);
    070                tessellator.setNormal(0.0F, 0.0F, 1.0F);
    071                tessellator.addVertexWithUV((double)f15, (double)f17, (double)f2, (double)f3, (double)f5);
    072                tessellator.addVertexWithUV((double)f16, (double)f17, (double)f2, (double)f4, (double)f5);
    073                tessellator.addVertexWithUV((double)f16, (double)f18, (double)f2, (double)f4, (double)f6);
    074                tessellator.addVertexWithUV((double)f15, (double)f18, (double)f2, (double)f3, (double)f6);
    075                tessellator.setNormal(0.0F, 1.0F, 0.0F);
    076                tessellator.addVertexWithUV((double)f15, (double)f17, (double)(-f2), (double)f7, (double)f9);
    077                tessellator.addVertexWithUV((double)f16, (double)f17, (double)(-f2), (double)f8, (double)f9);
    078                tessellator.addVertexWithUV((double)f16, (double)f17, (double)f2, (double)f8, (double)f10);
    079                tessellator.addVertexWithUV((double)f15, (double)f17, (double)f2, (double)f7, (double)f10);
    080                tessellator.setNormal(0.0F, -1.0F, 0.0F);
    081                tessellator.addVertexWithUV((double)f15, (double)f18, (double)f2, (double)f7, (double)f9);
    082                tessellator.addVertexWithUV((double)f16, (double)f18, (double)f2, (double)f8, (double)f9);
    083                tessellator.addVertexWithUV((double)f16, (double)f18, (double)(-f2), (double)f8, (double)f10);
    084                tessellator.addVertexWithUV((double)f15, (double)f18, (double)(-f2), (double)f7, (double)f10);
    085                tessellator.setNormal(-1.0F, 0.0F, 0.0F);
    086                tessellator.addVertexWithUV((double)f15, (double)f17, (double)f2, (double)f12, (double)f13);
    087                tessellator.addVertexWithUV((double)f15, (double)f18, (double)f2, (double)f12, (double)f14);
    088                tessellator.addVertexWithUV((double)f15, (double)f18, (double)(-f2), (double)f11, (double)f14);
    089                tessellator.addVertexWithUV((double)f15, (double)f17, (double)(-f2), (double)f11, (double)f13);
    090                tessellator.setNormal(1.0F, 0.0F, 0.0F);
    091                tessellator.addVertexWithUV((double)f16, (double)f17, (double)(-f2), (double)f12, (double)f13);
    092                tessellator.addVertexWithUV((double)f16, (double)f18, (double)(-f2), (double)f12, (double)f14);
    093                tessellator.addVertexWithUV((double)f16, (double)f18, (double)f2, (double)f11, (double)f14);
    094                tessellator.addVertexWithUV((double)f16, (double)f17, (double)f2, (double)f11, (double)f13);
    095                tessellator.draw();
    096            }
    097        }
    098    }
    099
    100    private void func_77008_a(EntityPainting par1EntityPainting, float par2, float par3)
    101    {
    102        int i = MathHelper.floor_double(par1EntityPainting.posX);
    103        int j = MathHelper.floor_double(par1EntityPainting.posY + (double)(par3 / 16.0F));
    104        int k = MathHelper.floor_double(par1EntityPainting.posZ);
    105
    106        if (par1EntityPainting.hangingDirection == 2)
    107        {
    108            i = MathHelper.floor_double(par1EntityPainting.posX + (double)(par2 / 16.0F));
    109        }
    110
    111        if (par1EntityPainting.hangingDirection == 1)
    112        {
    113            k = MathHelper.floor_double(par1EntityPainting.posZ - (double)(par2 / 16.0F));
    114        }
    115
    116        if (par1EntityPainting.hangingDirection == 0)
    117        {
    118            i = MathHelper.floor_double(par1EntityPainting.posX - (double)(par2 / 16.0F));
    119        }
    120
    121        if (par1EntityPainting.hangingDirection == 3)
    122        {
    123            k = MathHelper.floor_double(par1EntityPainting.posZ + (double)(par2 / 16.0F));
    124        }
    125
    126        int l = this.renderManager.worldObj.getLightBrightnessForSkyBlocks(i, j, k, 0);
    127        int i1 = l % 65536;
    128        int j1 = l / 65536;
    129        OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)i1, (float)j1);
    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}