package net.minecraft.client.renderer.entity;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityPainting;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;

@SideOnly(Side.CLIENT)
public class RenderPainting extends Render
{
	private static final ResourceLocation field_110807_a = new ResourceLocation("textures/painting/paintings_kristoffer_zetterstrand.png");
	private static final String __OBFID = "CL_00001018";

	public void doRender(EntityPainting par1EntityPainting, double par2, double par4, double par6, float par8, float par9)
	{
		GL11.glPushMatrix();
		GL11.glTranslated(par2, par4, par6);
		GL11.glRotatef(par8, 0.0F, 1.0F, 0.0F);
		GL11.glEnable(GL12.GL_RESCALE_NORMAL);
		this.bindEntityTexture(par1EntityPainting);
		EntityPainting.EnumArt enumart = par1EntityPainting.art;
		float f2 = 0.0625F;
		GL11.glScalef(f2, f2, f2);
		this.func_77010_a(par1EntityPainting, enumart.sizeX, enumart.sizeY, enumart.offsetX, enumart.offsetY);
		GL11.glDisable(GL12.GL_RESCALE_NORMAL);
		GL11.glPopMatrix();
	}

	protected ResourceLocation getEntityTexture(EntityPainting par1EntityPainting)
	{
		return field_110807_a;
	}

	private void func_77010_a(EntityPainting par1EntityPainting, int par2, int par3, int par4, int par5)
	{
		float f = (float)(-par2) / 2.0F;
		float f1 = (float)(-par3) / 2.0F;
		float f2 = 0.5F;
		float f3 = 0.75F;
		float f4 = 0.8125F;
		float f5 = 0.0F;
		float f6 = 0.0625F;
		float f7 = 0.75F;
		float f8 = 0.8125F;
		float f9 = 0.001953125F;
		float f10 = 0.001953125F;
		float f11 = 0.7519531F;
		float f12 = 0.7519531F;
		float f13 = 0.0F;
		float f14 = 0.0625F;

		for (int i1 = 0; i1 < par2 / 16; ++i1)
		{
			for (int j1 = 0; j1 < par3 / 16; ++j1)
			{
				float f15 = f + (float)((i1 + 1) * 16);
				float f16 = f + (float)(i1 * 16);
				float f17 = f1 + (float)((j1 + 1) * 16);
				float f18 = f1 + (float)(j1 * 16);
				this.func_77008_a(par1EntityPainting, (f15 + f16) / 2.0F, (f17 + f18) / 2.0F);
				float f19 = (float)(par4 + par2 - i1 * 16) / 256.0F;
				float f20 = (float)(par4 + par2 - (i1 + 1) * 16) / 256.0F;
				float f21 = (float)(par5 + par3 - j1 * 16) / 256.0F;
				float f22 = (float)(par5 + par3 - (j1 + 1) * 16) / 256.0F;
				Tessellator tessellator = Tessellator.instance;
				tessellator.startDrawingQuads();
				tessellator.setNormal(0.0F, 0.0F, -1.0F);
				tessellator.addVertexWithUV((double)f15, (double)f18, (double)(-f2), (double)f20, (double)f21);
				tessellator.addVertexWithUV((double)f16, (double)f18, (double)(-f2), (double)f19, (double)f21);
				tessellator.addVertexWithUV((double)f16, (double)f17, (double)(-f2), (double)f19, (double)f22);
				tessellator.addVertexWithUV((double)f15, (double)f17, (double)(-f2), (double)f20, (double)f22);
				tessellator.setNormal(0.0F, 0.0F, 1.0F);
				tessellator.addVertexWithUV((double)f15, (double)f17, (double)f2, (double)f3, (double)f5);
				tessellator.addVertexWithUV((double)f16, (double)f17, (double)f2, (double)f4, (double)f5);
				tessellator.addVertexWithUV((double)f16, (double)f18, (double)f2, (double)f4, (double)f6);
				tessellator.addVertexWithUV((double)f15, (double)f18, (double)f2, (double)f3, (double)f6);
				tessellator.setNormal(0.0F, 1.0F, 0.0F);
				tessellator.addVertexWithUV((double)f15, (double)f17, (double)(-f2), (double)f7, (double)f9);
				tessellator.addVertexWithUV((double)f16, (double)f17, (double)(-f2), (double)f8, (double)f9);
				tessellator.addVertexWithUV((double)f16, (double)f17, (double)f2, (double)f8, (double)f10);
				tessellator.addVertexWithUV((double)f15, (double)f17, (double)f2, (double)f7, (double)f10);
				tessellator.setNormal(0.0F, -1.0F, 0.0F);
				tessellator.addVertexWithUV((double)f15, (double)f18, (double)f2, (double)f7, (double)f9);
				tessellator.addVertexWithUV((double)f16, (double)f18, (double)f2, (double)f8, (double)f9);
				tessellator.addVertexWithUV((double)f16, (double)f18, (double)(-f2), (double)f8, (double)f10);
				tessellator.addVertexWithUV((double)f15, (double)f18, (double)(-f2), (double)f7, (double)f10);
				tessellator.setNormal(-1.0F, 0.0F, 0.0F);
				tessellator.addVertexWithUV((double)f15, (double)f17, (double)f2, (double)f12, (double)f13);
				tessellator.addVertexWithUV((double)f15, (double)f18, (double)f2, (double)f12, (double)f14);
				tessellator.addVertexWithUV((double)f15, (double)f18, (double)(-f2), (double)f11, (double)f14);
				tessellator.addVertexWithUV((double)f15, (double)f17, (double)(-f2), (double)f11, (double)f13);
				tessellator.setNormal(1.0F, 0.0F, 0.0F);
				tessellator.addVertexWithUV((double)f16, (double)f17, (double)(-f2), (double)f12, (double)f13);
				tessellator.addVertexWithUV((double)f16, (double)f18, (double)(-f2), (double)f12, (double)f14);
				tessellator.addVertexWithUV((double)f16, (double)f18, (double)f2, (double)f11, (double)f14);
				tessellator.addVertexWithUV((double)f16, (double)f17, (double)f2, (double)f11, (double)f13);
				tessellator.draw();
			}
		}
	}

	private void func_77008_a(EntityPainting par1EntityPainting, float par2, float par3)
	{
		int i = MathHelper.floor_double(par1EntityPainting.posX);
		int j = MathHelper.floor_double(par1EntityPainting.posY + (double)(par3 / 16.0F));
		int k = MathHelper.floor_double(par1EntityPainting.posZ);

		if (par1EntityPainting.hangingDirection == 2)
		{
			i = MathHelper.floor_double(par1EntityPainting.posX + (double)(par2 / 16.0F));
		}

		if (par1EntityPainting.hangingDirection == 1)
		{
			k = MathHelper.floor_double(par1EntityPainting.posZ - (double)(par2 / 16.0F));
		}

		if (par1EntityPainting.hangingDirection == 0)
		{
			i = MathHelper.floor_double(par1EntityPainting.posX - (double)(par2 / 16.0F));
		}

		if (par1EntityPainting.hangingDirection == 3)
		{
			k = MathHelper.floor_double(par1EntityPainting.posZ + (double)(par2 / 16.0F));
		}

		int l = this.renderManager.worldObj.getLightBrightnessForSkyBlocks(i, j, k, 0);
		int i1 = l % 65536;
		int j1 = l / 65536;
		OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)i1, (float)j1);
		GL11.glColor3f(1.0F, 1.0F, 1.0F);
	}

	protected ResourceLocation getEntityTexture(Entity par1Entity)
	{
		return this.getEntityTexture((EntityPainting)par1Entity);
	}

	public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
	{
		this.doRender((EntityPainting)par1Entity, par2, par4, par6, par8, par9);
	}
}