    001package net.minecraft.client.renderer.entity;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.client.model.ModelBase;
    006import net.minecraft.entity.EntityLiving;
    007import net.minecraft.entity.monster.EntitySlime;
    008import org.lwjgl.opengl.GL11;
    009
    010@SideOnly(Side.CLIENT)
    011public class RenderSlime extends RenderLiving
    012{
    013    private ModelBase scaleAmount;
    014
    015    public RenderSlime(ModelBase par1ModelBase, ModelBase par2ModelBase, float par3)
    016    {
    017        super(par1ModelBase, par3);
    018        this.scaleAmount = par2ModelBase;
    019    }
    020
    021    /**
    022     * Determines whether Slime Render should pass or not.
    023     */
    024    protected int shouldSlimeRenderPass(EntitySlime par1EntitySlime, int par2, float par3)
    025    {
    026        if (par1EntitySlime.getHasActivePotion())
    027        {
    028            return 0;
    029        }
    030        else if (par2 == 0)
    031        {
    032            this.setRenderPassModel(this.scaleAmount);
    033            GL11.glEnable(GL11.GL_NORMALIZE);
    034            GL11.glEnable(GL11.GL_BLEND);
    035            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    036            return 1;
    037        }
    038        else
    039        {
    040            if (par2 == 1)
    041            {
    042                GL11.glDisable(GL11.GL_BLEND);
    043                GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    044            }
    045
    046            return -1;
    047        }
    048    }
    049
    050    /**
    051     * sets the scale for the slime based on getSlimeSize in EntitySlime
    052     */
    053    protected void scaleSlime(EntitySlime par1EntitySlime, float par2)
    054    {
    055        float f1 = (float)par1EntitySlime.getSlimeSize();
    056        float f2 = (par1EntitySlime.field_70812_c + (par1EntitySlime.field_70811_b - par1EntitySlime.field_70812_c) * par2) / (f1 * 0.5F + 1.0F);
    057        float f3 = 1.0F / (f2 + 1.0F);
    058        GL11.glScalef(f3 * f1, 1.0F / f3 * f1, f3 * f1);
    059    }
    060
    061    /**
    062     * Allows the render to do any OpenGL state modifications necessary before the model is rendered. Args:
    063     * entityLiving, partialTickTime
    064     */
    065    protected void preRenderCallback(EntityLiving par1EntityLiving, float par2)
    066    {
    067        this.scaleSlime((EntitySlime)par1EntityLiving, par2);
    068    }
    069
    070    /**
    071     * Queries whether should render the specified pass or not.
    072     */
    073    protected int shouldRenderPass(EntityLiving par1EntityLiving, int par2, float par3)
    074    {
    075        return this.shouldSlimeRenderPass((EntitySlime)par1EntityLiving, par2, par3);
    076    }
    077}