    001    package net.minecraft.client.renderer.entity;
    002
    003    import cpw.mods.fml.relauncher.Side;
    004    import cpw.mods.fml.relauncher.SideOnly;
    005    import net.minecraft.client.renderer.Tessellator;
    006    import net.minecraft.entity.Entity;
    007    import net.minecraft.entity.projectile.EntityPotion;
    008    import net.minecraft.potion.PotionHelper;
    009    import org.lwjgl.opengl.GL11;
    010    import org.lwjgl.opengl.GL12;
    011
    012    @SideOnly(Side.CLIENT)
    013    public class RenderSnowball extends Render
    014    {
    015        /**
    016         * Have the icon index (in items.png) that will be used to render the image. Currently, eggs and snowballs uses this
    017         * classes.
    018         */
    019        private int itemIconIndex;
    020
    021        public RenderSnowball(int par1)
    022        {
    023            this.itemIconIndex = par1;
    024        }
    025
    026        /**
    027         * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
    028         * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
    029         * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1,
    030         * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
    031         */
    032        public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
    033        {
    034            GL11.glPushMatrix();
    035            GL11.glTranslatef((float)par2, (float)par4, (float)par6);
    036            GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    037            GL11.glScalef(0.5F, 0.5F, 0.5F);
    038            this.loadTexture("/gui/items.png");
    039            Tessellator var10 = Tessellator.instance;
    040
    041            if (this.itemIconIndex == 154)
    042            {
    043                int var11 = PotionHelper.func_77915_a(((EntityPotion)par1Entity).getPotionDamage(), false);
    044                float var12 = (float)(var11 >> 16 & 255) / 255.0F;
    045                float var13 = (float)(var11 >> 8 & 255) / 255.0F;
    046                float var14 = (float)(var11 & 255) / 255.0F;
    047                GL11.glColor3f(var12, var13, var14);
    048                GL11.glPushMatrix();
    049                this.func_77026_a(var10, 141);
    050                GL11.glPopMatrix();
    051                GL11.glColor3f(1.0F, 1.0F, 1.0F);
    052            }
    053
    054            this.func_77026_a(var10, this.itemIconIndex);
    055            GL11.glDisable(GL12.GL_RESCALE_NORMAL);
    056            GL11.glPopMatrix();
    057        }
    058
    059        private void func_77026_a(Tessellator par1Tessellator, int par2)
    060        {
    061            float var3 = (float)(par2 % 16 * 16 + 0) / 256.0F;
    062            float var4 = (float)(par2 % 16 * 16 + 16) / 256.0F;
    063            float var5 = (float)(par2 / 16 * 16 + 0) / 256.0F;
    064            float var6 = (float)(par2 / 16 * 16 + 16) / 256.0F;
    065            float var7 = 1.0F;
    066            float var8 = 0.5F;
    067            float var9 = 0.25F;
    068            GL11.glRotatef(180.0F - this.renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
    069            GL11.glRotatef(-this.renderManager.playerViewX, 1.0F, 0.0F, 0.0F);
    070            par1Tessellator.startDrawingQuads();
    071            par1Tessellator.setNormal(0.0F, 1.0F, 0.0F);
    072            par1Tessellator.addVertexWithUV((double)(0.0F - var8), (double)(0.0F - var9), 0.0D, (double)var3, (double)var6);
    073            par1Tessellator.addVertexWithUV((double)(var7 - var8), (double)(0.0F - var9), 0.0D, (double)var4, (double)var6);
    074            par1Tessellator.addVertexWithUV((double)(var7 - var8), (double)(var7 - var9), 0.0D, (double)var4, (double)var5);
    075            par1Tessellator.addVertexWithUV((double)(0.0F - var8), (double)(var7 - var9), 0.0D, (double)var3, (double)var5);
    076            par1Tessellator.draw();
    077        }
    078    }