package net.minecraft.client.renderer.entity;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.Random;
import net.minecraft.client.model.ModelDragon;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.boss.BossStatus;
import net.minecraft.entity.boss.EntityDragon;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;

@SideOnly(Side.CLIENT)
public class RenderDragon extends RenderLiving
{
	private static final ResourceLocation enderDragonExplodingTextures = new ResourceLocation("textures/entity/enderdragon/dragon_exploding.png");
	private static final ResourceLocation enderDragonCrystalBeamTextures = new ResourceLocation("textures/entity/endercrystal/endercrystal_beam.png");
	private static final ResourceLocation enderDragonEyesTextures = new ResourceLocation("textures/entity/enderdragon/dragon_eyes.png");
	private static final ResourceLocation enderDragonTextures = new ResourceLocation("textures/entity/enderdragon/dragon.png");
	protected ModelDragon modelDragon;
	private static final String __OBFID = "CL_00000988";

	public RenderDragon()
	{
		super(new ModelDragon(0.0F), 0.5F);
		this.modelDragon = (ModelDragon)this.mainModel;
		this.setRenderPassModel(this.mainModel);
	}

	protected void rotateCorpse(EntityDragon par1EntityDragon, float par2, float par3, float par4)
	{
		float f3 = (float)par1EntityDragon.getMovementOffsets(7, par4)[0];
		float f4 = (float)(par1EntityDragon.getMovementOffsets(5, par4)[1] - par1EntityDragon.getMovementOffsets(10, par4)[1]);
		GL11.glRotatef(-f3, 0.0F, 1.0F, 0.0F);
		GL11.glRotatef(f4 * 10.0F, 1.0F, 0.0F, 0.0F);
		GL11.glTranslatef(0.0F, 0.0F, 1.0F);

		if (par1EntityDragon.deathTime > 0)
		{
			float f5 = ((float)par1EntityDragon.deathTime + par4 - 1.0F) / 20.0F * 1.6F;
			f5 = MathHelper.sqrt_float(f5);

			if (f5 > 1.0F)
			{
				f5 = 1.0F;
			}

			GL11.glRotatef(f5 * this.getDeathMaxRotation(par1EntityDragon), 0.0F, 0.0F, 1.0F);
		}
	}

	protected void renderModel(EntityDragon par1EntityDragon, float par2, float par3, float par4, float par5, float par6, float par7)
	{
		if (par1EntityDragon.deathTicks > 0)
		{
			float f6 = (float)par1EntityDragon.deathTicks / 200.0F;
			GL11.glDepthFunc(GL11.GL_LEQUAL);
			GL11.glEnable(GL11.GL_ALPHA_TEST);
			GL11.glAlphaFunc(GL11.GL_GREATER, f6);
			this.bindTexture(enderDragonExplodingTextures);
			this.mainModel.render(par1EntityDragon, par2, par3, par4, par5, par6, par7);
			GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
			GL11.glDepthFunc(GL11.GL_EQUAL);
		}

		this.bindEntityTexture(par1EntityDragon);
		this.mainModel.render(par1EntityDragon, par2, par3, par4, par5, par6, par7);

		if (par1EntityDragon.hurtTime > 0)
		{
			GL11.glDepthFunc(GL11.GL_EQUAL);
			GL11.glDisable(GL11.GL_TEXTURE_2D);
			GL11.glEnable(GL11.GL_BLEND);
			GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
			GL11.glColor4f(1.0F, 0.0F, 0.0F, 0.5F);
			this.mainModel.render(par1EntityDragon, par2, par3, par4, par5, par6, par7);
			GL11.glEnable(GL11.GL_TEXTURE_2D);
			GL11.glDisable(GL11.GL_BLEND);
			GL11.glDepthFunc(GL11.GL_LEQUAL);
		}
	}

	public void doRender(EntityDragon par1EntityDragon, double par2, double par4, double par6, float par8, float par9)
	{
		BossStatus.setBossStatus(par1EntityDragon, false);
		super.doRender((EntityLiving)par1EntityDragon, par2, par4, par6, par8, par9);

		if (par1EntityDragon.healingEnderCrystal != null)
		{
			float f2 = (float)par1EntityDragon.healingEnderCrystal.innerRotation + par9;
			float f3 = MathHelper.sin(f2 * 0.2F) / 2.0F + 0.5F;
			f3 = (f3 * f3 + f3) * 0.2F;
			float f4 = (float)(par1EntityDragon.healingEnderCrystal.posX - par1EntityDragon.posX - (par1EntityDragon.prevPosX - par1EntityDragon.posX) * (double)(1.0F - par9));
			float f5 = (float)((double)f3 + par1EntityDragon.healingEnderCrystal.posY - 1.0D - par1EntityDragon.posY - (par1EntityDragon.prevPosY - par1EntityDragon.posY) * (double)(1.0F - par9));
			float f6 = (float)(par1EntityDragon.healingEnderCrystal.posZ - par1EntityDragon.posZ - (par1EntityDragon.prevPosZ - par1EntityDragon.posZ) * (double)(1.0F - par9));
			float f7 = MathHelper.sqrt_float(f4 * f4 + f6 * f6);
			float f8 = MathHelper.sqrt_float(f4 * f4 + f5 * f5 + f6 * f6);
			GL11.glPushMatrix();
			GL11.glTranslatef((float)par2, (float)par4 + 2.0F, (float)par6);
			GL11.glRotatef((float)(-Math.atan2((double)f6, (double)f4)) * 180.0F / (float)Math.PI - 90.0F, 0.0F, 1.0F, 0.0F);
			GL11.glRotatef((float)(-Math.atan2((double)f7, (double)f5)) * 180.0F / (float)Math.PI - 90.0F, 1.0F, 0.0F, 0.0F);
			Tessellator tessellator = Tessellator.instance;
			RenderHelper.disableStandardItemLighting();
			GL11.glDisable(GL11.GL_CULL_FACE);
			this.bindTexture(enderDragonCrystalBeamTextures);
			GL11.glShadeModel(GL11.GL_SMOOTH);
			float f9 = 0.0F - ((float)par1EntityDragon.ticksExisted + par9) * 0.01F;
			float f10 = MathHelper.sqrt_float(f4 * f4 + f5 * f5 + f6 * f6) / 32.0F - ((float)par1EntityDragon.ticksExisted + par9) * 0.01F;
			tessellator.startDrawing(5);
			byte b0 = 8;

			for (int i = 0; i <= b0; ++i)
			{
				float f11 = MathHelper.sin((float)(i % b0) * (float)Math.PI * 2.0F / (float)b0) * 0.75F;
				float f12 = MathHelper.cos((float)(i % b0) * (float)Math.PI * 2.0F / (float)b0) * 0.75F;
				float f13 = (float)(i % b0) * 1.0F / (float)b0;
				tessellator.setColorOpaque_I(0);
				tessellator.addVertexWithUV((double)(f11 * 0.2F), (double)(f12 * 0.2F), 0.0D, (double)f13, (double)f10);
				tessellator.setColorOpaque_I(16777215);
				tessellator.addVertexWithUV((double)f11, (double)f12, (double)f8, (double)f13, (double)f9);
			}

			tessellator.draw();
			GL11.glEnable(GL11.GL_CULL_FACE);
			GL11.glShadeModel(GL11.GL_FLAT);
			RenderHelper.enableStandardItemLighting();
			GL11.glPopMatrix();
		}
	}

	protected ResourceLocation getEntityTexture(EntityDragon par1EntityDragon)
	{
		return enderDragonTextures;
	}

	protected void renderEquippedItems(EntityDragon par1EntityDragon, float par2)
	{
		super.renderEquippedItems(par1EntityDragon, par2);
		Tessellator tessellator = Tessellator.instance;

		if (par1EntityDragon.deathTicks > 0)
		{
			RenderHelper.disableStandardItemLighting();
			float f1 = ((float)par1EntityDragon.deathTicks + par2) / 200.0F;
			float f2 = 0.0F;

			if (f1 > 0.8F)
			{
				f2 = (f1 - 0.8F) / 0.2F;
			}

			Random random = new Random(432L);
			GL11.glDisable(GL11.GL_TEXTURE_2D);
			GL11.glShadeModel(GL11.GL_SMOOTH);
			GL11.glEnable(GL11.GL_BLEND);
			GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
			GL11.glDisable(GL11.GL_ALPHA_TEST);
			GL11.glEnable(GL11.GL_CULL_FACE);
			GL11.glDepthMask(false);
			GL11.glPushMatrix();
			GL11.glTranslatef(0.0F, -1.0F, -2.0F);

			for (int i = 0; (float)i < (f1 + f1 * f1) / 2.0F * 60.0F; ++i)
			{
				GL11.glRotatef(random.nextFloat() * 360.0F, 1.0F, 0.0F, 0.0F);
				GL11.glRotatef(random.nextFloat() * 360.0F, 0.0F, 1.0F, 0.0F);
				GL11.glRotatef(random.nextFloat() * 360.0F, 0.0F, 0.0F, 1.0F);
				GL11.glRotatef(random.nextFloat() * 360.0F, 1.0F, 0.0F, 0.0F);
				GL11.glRotatef(random.nextFloat() * 360.0F, 0.0F, 1.0F, 0.0F);
				GL11.glRotatef(random.nextFloat() * 360.0F + f1 * 90.0F, 0.0F, 0.0F, 1.0F);
				tessellator.startDrawing(6);
				float f3 = random.nextFloat() * 20.0F + 5.0F + f2 * 10.0F;
				float f4 = random.nextFloat() * 2.0F + 1.0F + f2 * 2.0F;
				tessellator.setColorRGBA_I(16777215, (int)(255.0F * (1.0F - f2)));
				tessellator.addVertex(0.0D, 0.0D, 0.0D);
				tessellator.setColorRGBA_I(16711935, 0);
				tessellator.addVertex(-0.866D * (double)f4, (double)f3, (double)(-0.5F * f4));
				tessellator.addVertex(0.866D * (double)f4, (double)f3, (double)(-0.5F * f4));
				tessellator.addVertex(0.0D, (double)f3, (double)(1.0F * f4));
				tessellator.addVertex(-0.866D * (double)f4, (double)f3, (double)(-0.5F * f4));
				tessellator.draw();
			}

			GL11.glPopMatrix();
			GL11.glDepthMask(true);
			GL11.glDisable(GL11.GL_CULL_FACE);
			GL11.glDisable(GL11.GL_BLEND);
			GL11.glShadeModel(GL11.GL_FLAT);
			GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
			GL11.glEnable(GL11.GL_TEXTURE_2D);
			GL11.glEnable(GL11.GL_ALPHA_TEST);
			RenderHelper.enableStandardItemLighting();
		}
	}

	protected int shouldRenderPass(EntityDragon par1EntityDragon, int par2, float par3)
	{
		if (par2 == 1)
		{
			GL11.glDepthFunc(GL11.GL_LEQUAL);
		}

		if (par2 != 0)
		{
			return -1;
		}
		else
		{
			this.bindTexture(enderDragonEyesTextures);
			GL11.glEnable(GL11.GL_BLEND);
			GL11.glDisable(GL11.GL_ALPHA_TEST);
			GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE);
			GL11.glDisable(GL11.GL_LIGHTING);
			GL11.glDepthFunc(GL11.GL_EQUAL);
			char c0 = 61680;
			int j = c0 % 65536;
			int k = c0 / 65536;
			OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)j / 1.0F, (float)k / 1.0F);
			GL11.glEnable(GL11.GL_LIGHTING);
			GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
			return 1;
		}
	}

	public void doRender(EntityLiving par1EntityLiving, double par2, double par4, double par6, float par8, float par9)
	{
		this.doRender((EntityDragon)par1EntityLiving, par2, par4, par6, par8, par9);
	}

	protected int shouldRenderPass(EntityLivingBase par1EntityLivingBase, int par2, float par3)
	{
		return this.shouldRenderPass((EntityDragon)par1EntityLivingBase, par2, par3);
	}

	protected void renderEquippedItems(EntityLivingBase par1EntityLivingBase, float par2)
	{
		this.renderEquippedItems((EntityDragon)par1EntityLivingBase, par2);
	}

	protected void rotateCorpse(EntityLivingBase par1EntityLivingBase, float par2, float par3, float par4)
	{
		this.rotateCorpse((EntityDragon)par1EntityLivingBase, par2, par3, par4);
	}

	protected void renderModel(EntityLivingBase par1EntityLivingBase, float par2, float par3, float par4, float par5, float par6, float par7)
	{
		this.renderModel((EntityDragon)par1EntityLivingBase, par2, par3, par4, par5, par6, par7);
	}

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

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

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