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