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        /**
019         * Determines whether Slime Render should pass or not.
020         */
021        protected int shouldSlimeRenderPass(EntitySlime par1EntitySlime, int par2, float par3)
022        {
023            if (par2 == 0)
024            {
025                this.setRenderPassModel(this.scaleAmount);
026                GL11.glEnable(GL11.GL_NORMALIZE);
027                GL11.glEnable(GL11.GL_BLEND);
028                GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
029                return 1;
030            }
031            else
032            {
033                if (par2 == 1)
034                {
035                    GL11.glDisable(GL11.GL_BLEND);
036                    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
037                }
038    
039                return -1;
040            }
041        }
042    
043        /**
044         * sets the scale for the slime based on getSlimeSize in EntitySlime
045         */
046        protected void scaleSlime(EntitySlime par1EntitySlime, float par2)
047        {
048            float var3 = (float)par1EntitySlime.getSlimeSize();
049            float var4 = (par1EntitySlime.field_70812_c + (par1EntitySlime.field_70811_b - par1EntitySlime.field_70812_c) * par2) / (var3 * 0.5F + 1.0F);
050            float var5 = 1.0F / (var4 + 1.0F);
051            GL11.glScalef(var5 * var3, 1.0F / var5 * var3, var5 * var3);
052        }
053    
054        /**
055         * Allows the render to do any OpenGL state modifications necessary before the model is rendered. Args:
056         * entityLiving, partialTickTime
057         */
058        protected void preRenderCallback(EntityLiving par1EntityLiving, float par2)
059        {
060            this.scaleSlime((EntitySlime)par1EntityLiving, par2);
061        }
062    
063        /**
064         * Queries whether should render the specified pass or not.
065         */
066        protected int shouldRenderPass(EntityLiving par1EntityLiving, int par2, float par3)
067        {
068            return this.shouldSlimeRenderPass((EntitySlime)par1EntityLiving, par2, par3);
069        }
070    }