RenderSnowball.java

package net.minecraft.client.renderer.entity;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.entity.Entity;
import net.minecraft.entity.projectile.EntityPotion;
import net.minecraft.item.Item;
import net.minecraft.item.ItemPotion;
import net.minecraft.potion.PotionHelper;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;

@SideOnly(Side.CLIENT)
public class RenderSnowball extends Render
{
    private Item itemForRender;
    private int metadata;
    private static final String __OBFID = "CL_00001008";

    public RenderSnowball(Item p_i1259_1_, int p_i1259_2_)
    {
        this.itemForRender = p_i1259_1_;
        this.metadata = p_i1259_2_;
    }

    public RenderSnowball(Item p_i1260_1_)
    {
        this(p_i1260_1_, 0);
    }

    /**
     * Actually renders the given argument. This is a synthetic bridge method, always casting down its argument and then
     * handing it off to a worker function which does the actual work. In all probabilty, the class Render is generic
     * (Render<T extends Entity) and this method has signature public void func_76986_a(T entity, double d, double d1,
     * double d2, float f, float f1). But JAD is pre 1.5 so doesn't do that.
     */
    public void doRender(Entity p_76986_1_, double p_76986_2_, double p_76986_4_, double p_76986_6_, float p_76986_8_, float p_76986_9_)
    {
        IIcon iicon = this.itemForRender.getIconFromDamage(this.metadata);

        if (iicon != null)
        {
            GL11.glPushMatrix();
            GL11.glTranslatef((float)p_76986_2_, (float)p_76986_4_, (float)p_76986_6_);
            GL11.glEnable(GL12.GL_RESCALE_NORMAL);
            GL11.glScalef(0.5F, 0.5F, 0.5F);
            this.bindEntityTexture(p_76986_1_);
            Tessellator tessellator = Tessellator.instance;

            if (iicon == ItemPotion.func_94589_d("bottle_splash"))
            {
                int i = PotionHelper.func_77915_a(((EntityPotion)p_76986_1_).getPotionDamage(), false);
                float f2 = (float)(i >> 16 & 255) / 255.0F;
                float f3 = (float)(i >> 8 & 255) / 255.0F;
                float f4 = (float)(i & 255) / 255.0F;
                GL11.glColor3f(f2, f3, f4);
                GL11.glPushMatrix();
                this.renderEntity(tessellator, ItemPotion.func_94589_d("overlay"));
                GL11.glPopMatrix();
                GL11.glColor3f(1.0F, 1.0F, 1.0F);
            }

            this.renderEntity(tessellator, iicon);
            GL11.glDisable(GL12.GL_RESCALE_NORMAL);
            GL11.glPopMatrix();
        }
    }

    /**
     * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture.
     */
    protected ResourceLocation getEntityTexture(Entity p_110775_1_)
    {
        return TextureMap.locationItemsTexture;
    }

    private void renderEntity(Tessellator p_77026_1_, IIcon p_77026_2_)
    {
        float f = p_77026_2_.getMinU();
        float f1 = p_77026_2_.getMaxU();
        float f2 = p_77026_2_.getMinV();
        float f3 = p_77026_2_.getMaxV();
        float f4 = 1.0F;
        float f5 = 0.5F;
        float f6 = 0.25F;
        GL11.glRotatef(180.0F - this.renderManager.playerViewY, 0.0F, 1.0F, 0.0F);
        GL11.glRotatef(-this.renderManager.playerViewX, 1.0F, 0.0F, 0.0F);
        p_77026_1_.startDrawingQuads();
        p_77026_1_.setNormal(0.0F, 1.0F, 0.0F);
        p_77026_1_.addVertexWithUV((double)(0.0F - f5), (double)(0.0F - f6), 0.0D, (double)f, (double)f3);
        p_77026_1_.addVertexWithUV((double)(f4 - f5), (double)(0.0F - f6), 0.0D, (double)f1, (double)f3);
        p_77026_1_.addVertexWithUV((double)(f4 - f5), (double)(f4 - f6), 0.0D, (double)f1, (double)f2);
        p_77026_1_.addVertexWithUV((double)(0.0F - f5), (double)(f4 - f6), 0.0D, (double)f, (double)f2);
        p_77026_1_.draw();
    }
}