    001package net.minecraft.client.renderer.entity;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.client.renderer.Tessellator;
    006import net.minecraft.entity.Entity;
    007import net.minecraft.entity.projectile.EntityPotion;
    008import net.minecraft.item.Item;
    009import net.minecraft.item.ItemPotion;
    010import net.minecraft.potion.PotionHelper;
    011import net.minecraft.util.Icon;
    012import org.lwjgl.opengl.GL11;
    013import org.lwjgl.opengl.GL12;
    014
    015@SideOnly(Side.CLIENT)
    016public class RenderSnowball extends Render
    017{
    018    private Item field_94151_a;
    019    private int field_94150_f;
    020
    021    public RenderSnowball(Item par1, int par2)
    022    {
    023        this.field_94151_a = par1;
    024        this.field_94150_f = par2;
    025    }
    026
    027    public RenderSnowball(Item par1)
    028    {
    029        this(par1, 0);
    030    }
    031
    032    /**
    033     * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
    034     * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
    035     * (Render<T extends Entity) and this method has signature public void doRender(T entity, double d, double d1,
    036     * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
    037     */
    038    public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
    039    {
    040        Icon icon = this.field_94151_a.getIconFromDamage(this.field_94150_f);
    041
    042        if (icon != null)
    043        {
    044            GL11.glPushMatrix();
    045            GL11.glTranslatef((float)par2, (float)par4, (float)par6);
    046            GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    047            GL11.glScalef(0.5F, 0.5F, 0.5F);
    048            this.loadTexture("/gui/items.png");
    049            Tessellator tessellator = Tessellator.instance;
    050
    051            if (icon == ItemPotion.func_94589_d("potion_splash"))
    052            {
    053                int i = PotionHelper.func_77915_a(((EntityPotion)par1Entity).getPotionDamage(), false);
    054                float f2 = (float)(i >> 16 & 255) / 255.0F;
    055                float f3 = (float)(i >> 8 & 255) / 255.0F;
    056                float f4 = (float)(i & 255) / 255.0F;
    057                GL11.glColor3f(f2, f3, f4);
    058                GL11.glPushMatrix();
    059                this.func_77026_a(tessellator, ItemPotion.func_94589_d("potion_contents"));
    060                GL11.glPopMatrix();
    061                GL11.glColor3f(1.0F, 1.0F, 1.0F);
    062            }
    063
    064            this.func_77026_a(tessellator, icon);
    065            GL11.glDisable(GL12.GL_RESCALE_NORMAL);
    066            GL11.glPopMatrix();
    067        }
    068    }
    069
    070    private void func_77026_a(Tessellator par1Tessellator, Icon par2Icon)
    071    {
    072        float f = par2Icon.getMinU();
    073        float f1 = par2Icon.getMaxU();
    074        float f2 = par2Icon.getMinV();
    075        float f3 = par2Icon.getMaxV();
    076        float f4 = 1.0F;
    077        float f5 = 0.5F;
    078        float f6 = 0.25F;
    079        GL11.glRotatef(180.0F - this.renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
    080        GL11.glRotatef(-this.renderManager.playerViewX, 1.0F, 0.0F, 0.0F);
    081        par1Tessellator.startDrawingQuads();
    082        par1Tessellator.setNormal(0.0F, 1.0F, 0.0F);
    083        par1Tessellator.addVertexWithUV((double)(0.0F - f5), (double)(0.0F - f6), 0.0D, (double)f, (double)f3);
    084        par1Tessellator.addVertexWithUV((double)(f4 - f5), (double)(0.0F - f6), 0.0D, (double)f1, (double)f3);
    085        par1Tessellator.addVertexWithUV((double)(f4 - f5), (double)(f4 - f6), 0.0D, (double)f1, (double)f2);
    086        par1Tessellator.addVertexWithUV((double)(0.0F - f5), (double)(f4 - f6), 0.0D, (double)f, (double)f2);
    087        par1Tessellator.draw();
    088    }
    089}