001    package net.minecraft.client.renderer.tileentity;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    import net.minecraft.client.model.ModelSkeletonHead;
006    import net.minecraft.client.renderer.entity.Render;
007    import net.minecraft.entity.Entity;
008    import net.minecraft.entity.projectile.EntityWitherSkull;
009    import org.lwjgl.opengl.GL11;
010    import org.lwjgl.opengl.GL12;
011    
012    @SideOnly(Side.CLIENT)
013    public class RenderWitherSkull extends Render
014    {
015        /** The Skeleton's head model. */
016        ModelSkeletonHead skeletonHeadModel = new ModelSkeletonHead();
017    
018        private float func_82400_a(float par1, float par2, float par3)
019        {
020            float var4;
021    
022            for (var4 = par2 - par1; var4 < -180.0F; var4 += 360.0F)
023            {
024                ;
025            }
026    
027            while (var4 >= 180.0F)
028            {
029                var4 -= 360.0F;
030            }
031    
032            return par1 + par3 * var4;
033        }
034    
035        public void func_82399_a(EntityWitherSkull par1EntityWitherSkull, double par2, double par4, double par6, float par8, float par9)
036        {
037            GL11.glPushMatrix();
038            GL11.glDisable(GL11.GL_CULL_FACE);
039            float var10 = this.func_82400_a(par1EntityWitherSkull.prevRotationYaw, par1EntityWitherSkull.rotationYaw, par9);
040            float var11 = par1EntityWitherSkull.prevRotationPitch + (par1EntityWitherSkull.rotationPitch - par1EntityWitherSkull.prevRotationPitch) * par9;
041            GL11.glTranslatef((float)par2, (float)par4, (float)par6);
042            float var12 = 0.0625F;
043            GL11.glEnable(GL12.GL_RESCALE_NORMAL);
044            GL11.glScalef(-1.0F, -1.0F, 1.0F);
045            GL11.glEnable(GL11.GL_ALPHA_TEST);
046    
047            if (par1EntityWitherSkull.isInvulnerable())
048            {
049                this.loadDownloadableImageTexture((String)null, "/mob/wither_invul.png");
050            }
051            else
052            {
053                this.loadDownloadableImageTexture((String)null, "/mob/wither.png");
054            }
055    
056            this.skeletonHeadModel.render(par1EntityWitherSkull, 0.0F, 0.0F, 0.0F, var10, var11, var12);
057            GL11.glPopMatrix();
058        }
059    
060        /**
061         * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
062         * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
063         * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1,
064         * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
065         */
066        public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
067        {
068            this.func_82399_a((EntityWitherSkull)par1Entity, par2, par4, par6, par8, par9);
069        }
070    }