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 (par1EntitySlime.func_82150_aj())
024            {
025                return 0;
026            }
027            else if (par2 == 0)
028            {
029                this.setRenderPassModel(this.scaleAmount);
030                GL11.glEnable(GL11.GL_NORMALIZE);
031                GL11.glEnable(GL11.GL_BLEND);
032                GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
033                return 1;
034            }
035            else
036            {
037                if (par2 == 1)
038                {
039                    GL11.glDisable(GL11.GL_BLEND);
040                    GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
041                }
042    
043                return -1;
044            }
045        }
046    
047        /**
048         * sets the scale for the slime based on getSlimeSize in EntitySlime
049         */
050        protected void scaleSlime(EntitySlime par1EntitySlime, float par2)
051        {
052            float var3 = (float)par1EntitySlime.getSlimeSize();
053            float var4 = (par1EntitySlime.field_70812_c + (par1EntitySlime.field_70811_b - par1EntitySlime.field_70812_c) * par2) / (var3 * 0.5F + 1.0F);
054            float var5 = 1.0F / (var4 + 1.0F);
055            GL11.glScalef(var5 * var3, 1.0F / var5 * var3, var5 * var3);
056        }
057    
058        /**
059         * Allows the render to do any OpenGL state modifications necessary before the model is rendered. Args:
060         * entityLiving, partialTickTime
061         */
062        protected void preRenderCallback(EntityLiving par1EntityLiving, float par2)
063        {
064            this.scaleSlime((EntitySlime)par1EntityLiving, par2);
065        }
066    
067        /**
068         * Queries whether should render the specified pass or not.
069         */
070        protected int shouldRenderPass(EntityLiving par1EntityLiving, int par2, float par3)
071        {
072            return this.shouldSlimeRenderPass((EntitySlime)par1EntityLiving, par2, par3);
073        }
074    }