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    
007    @SideOnly(Side.CLIENT)
008    public class RenderSlime extends RenderLiving
009    {
010        private ModelBase scaleAmount;
011    
012        public RenderSlime(ModelBase par1ModelBase, ModelBase par2ModelBase, float par3)
013        {
014            super(par1ModelBase, par3);
015            this.scaleAmount = par2ModelBase;
016        }
017    
018        protected int func_77090_a(EntitySlime par1EntitySlime, int par2, float par3)
019        {
020            if (par2 == 0)
021            {
022                this.setRenderPassModel(this.scaleAmount);
023                GL11.glEnable(GL11.GL_NORMALIZE);
024                GL11.glEnable(GL11.GL_BLEND);
025                GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
026                return 1;
027            }
028            else
029            {
030                if (par2 == 1)
031                {
032                    GL11.glDisable(GL11.GL_BLEND);
033                    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
034                }
035    
036                return -1;
037            }
038        }
039    
040        /**
041         * sets the scale for the slime based on getSlimeSize in EntitySlime
042         */
043        protected void scaleSlime(EntitySlime par1EntitySlime, float par2)
044        {
045            float var3 = (float)par1EntitySlime.getSlimeSize();
046            float var4 = (par1EntitySlime.field_70812_c + (par1EntitySlime.field_70811_b - par1EntitySlime.field_70812_c) * par2) / (var3 * 0.5F + 1.0F);
047            float var5 = 1.0F / (var4 + 1.0F);
048            GL11.glScalef(var5 * var3, 1.0F / var5 * var3, var5 * var3);
049        }
050    
051        /**
052         * Allows the render to do any OpenGL state modifications necessary before the model is rendered. Args:
053         * entityLiving, partialTickTime
054         */
055        protected void preRenderCallback(EntityLiving par1EntityLiving, float par2)
056        {
057            this.scaleSlime((EntitySlime)par1EntityLiving, par2);
058        }
059    
060        /**
061         * Queries whether should render the specified pass or not.
062         */
063        protected int shouldRenderPass(EntityLiving par1EntityLiving, int par2, float par3)
064        {
065            return this.func_77090_a((EntitySlime)par1EntityLiving, par2, par3);
066        }
067    }