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}