ModelQuadruped.java

package net.minecraft.client.model;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.entity.Entity;
import net.minecraft.util.MathHelper;
import org.lwjgl.opengl.GL11;

@SideOnly(Side.CLIENT)
public class ModelQuadruped extends ModelBase
{
    public ModelRenderer head = new ModelRenderer(this, 0, 0);
    public ModelRenderer body;
    public ModelRenderer leg1;
    public ModelRenderer leg2;
    public ModelRenderer leg3;
    public ModelRenderer leg4;
    protected float field_78145_g = 8.0F;
    protected float field_78151_h = 4.0F;

    public ModelQuadruped(int par1, float par2)
    {
        this.head.addBox(-4.0F, -4.0F, -8.0F, 8, 8, 8, par2);
        this.head.setRotationPoint(0.0F, (float)(18 - par1), -6.0F);
        this.body = new ModelRenderer(this, 28, 8);
        this.body.addBox(-5.0F, -10.0F, -7.0F, 10, 16, 8, par2);
        this.body.setRotationPoint(0.0F, (float)(17 - par1), 2.0F);
        this.leg1 = new ModelRenderer(this, 0, 16);
        this.leg1.addBox(-2.0F, 0.0F, -2.0F, 4, par1, 4, par2);
        this.leg1.setRotationPoint(-3.0F, (float)(24 - par1), 7.0F);
        this.leg2 = new ModelRenderer(this, 0, 16);
        this.leg2.addBox(-2.0F, 0.0F, -2.0F, 4, par1, 4, par2);
        this.leg2.setRotationPoint(3.0F, (float)(24 - par1), 7.0F);
        this.leg3 = new ModelRenderer(this, 0, 16);
        this.leg3.addBox(-2.0F, 0.0F, -2.0F, 4, par1, 4, par2);
        this.leg3.setRotationPoint(-3.0F, (float)(24 - par1), -5.0F);
        this.leg4 = new ModelRenderer(this, 0, 16);
        this.leg4.addBox(-2.0F, 0.0F, -2.0F, 4, par1, 4, par2);
        this.leg4.setRotationPoint(3.0F, (float)(24 - par1), -5.0F);
    }

    /**
     * Sets the models various rotation angles then renders the model.
     */
    public void render(Entity par1Entity, float par2, float par3, float par4, float par5, float par6, float par7)
    {
        this.setRotationAngles(par2, par3, par4, par5, par6, par7, par1Entity);

        if (this.isChild)
        {
            float var8 = 2.0F;
            GL11.glPushMatrix();
            GL11.glTranslatef(0.0F, this.field_78145_g * par7, this.field_78151_h * par7);
            this.head.render(par7);
            GL11.glPopMatrix();
            GL11.glPushMatrix();
            GL11.glScalef(1.0F / var8, 1.0F / var8, 1.0F / var8);
            GL11.glTranslatef(0.0F, 24.0F * par7, 0.0F);
            this.body.render(par7);
            this.leg1.render(par7);
            this.leg2.render(par7);
            this.leg3.render(par7);
            this.leg4.render(par7);
            GL11.glPopMatrix();
        }
        else
        {
            this.head.render(par7);
            this.body.render(par7);
            this.leg1.render(par7);
            this.leg2.render(par7);
            this.leg3.render(par7);
            this.leg4.render(par7);
        }
    }

    /**
     * Sets the model's various rotation angles. For bipeds, par1 and par2 are used for animating the movement of arms
     * and legs, where par1 represents the time(so that arms and legs swing back and forth) and par2 represents how
     * "far" arms and legs can swing at most.
     */
    public void setRotationAngles(float par1, float par2, float par3, float par4, float par5, float par6, Entity par7Entity)
    {
        this.head.rotateAngleX = par5 / (180F / (float)Math.PI);
        this.head.rotateAngleY = par4 / (180F / (float)Math.PI);
        this.body.rotateAngleX = ((float)Math.PI / 2F);
        this.leg1.rotateAngleX = MathHelper.cos(par1 * 0.6662F) * 1.4F * par2;
        this.leg2.rotateAngleX = MathHelper.cos(par1 * 0.6662F + (float)Math.PI) * 1.4F * par2;
        this.leg3.rotateAngleX = MathHelper.cos(par1 * 0.6662F + (float)Math.PI) * 1.4F * par2;
        this.leg4.rotateAngleX = MathHelper.cos(par1 * 0.6662F) * 1.4F * par2;
    }
}