RenderDog.java

package com.copiousdogs.client.render.entity;

import net.minecraft.client.model.ModelBase;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderLiving;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.passive.EntitySheep;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.Vec3;

import org.lwjgl.opengl.GL11;

import com.copiousdogs.entity.EntityDog;
import com.copiousdogs.entity.EntityPoodle;
import com.copiousdogs.item.ItemDogCollar;
import com.copiousdogs.lib.Reference;

public class RenderDog extends RenderLiving
{

    public RenderDog(ModelBase model, ModelBase renderPass, float f)
    {
        super(model, f);
        this.setRenderPassModel(renderPass);
    }

    @Override
    protected int inheritRenderPass(EntityLivingBase entity, int i0, float f0)
    {
        if (entity instanceof EntityDog)
        {
            EntityDog dog = (EntityDog) entity;

            float f1;
            if (i0 == 1 && dog.isTamed() && dog.hasCollar())
            {
                bindTexture(getDogCollarTexture(dog));
                f1 = 1.0f;
                int j = ItemDogCollar.getItemFromDye(dog.getCollarColor());
                float[] color = EntitySheep.fleeceColorTable[j];
                GL11.glColor3f(f1 * color[0], f1 * color[1], f1 * color[2]);
                return 1;
            }
            if (i0 == 0) {

                if (dog instanceof EntityPoodle) {

                    EntityPoodle poodle = (EntityPoodle) dog;
                    bindTexture(poodle.getColorTexture());
                    f1 = poodle.getColor() != 0 ? 0.9f:1f;
                    float[] color = EntitySheep.fleeceColorTable[poodle.getColor()];
                    GL11.glColor3f(f1 * color[0], f1 * color[1], f1 * color[2]);
                    float scale = 1f;
                    GL11.glScalef(scale, scale, scale);
                    return 1;
                }
            }
        }
        return -1;
    }

    @Override
    public void doRender(EntityLiving entity, double d0, double d1, double d2,
            float f0, float f1)
    {
        super.doRender(entity, d0, d1, d2, f0, f1);

        EntityDog dog = (EntityDog) entity;

        if (dog.hasLeash() && dog.getOwner() != null)
        {

            float f9 = ((EntityLivingBase) dog.getOwner()).getSwingProgress(f1);
            float f10 = MathHelper.sin(MathHelper.sqrt_float(f9) * (float)Math.PI);

            Vec3 vec3 = Vec3.createVectorHelper(-.03D, 0D, -.03D);
            vec3.rotateAroundX(-(dog.getOwner().prevRotationPitch + (dog.getOwner().rotationPitch - dog.getOwner().prevRotationPitch) * f1) * (float)Math.PI / 180.0F);
            vec3.rotateAroundY(-(dog.getOwner().prevRotationYaw + (dog.getOwner().rotationYaw - dog.getOwner().prevRotationYaw) * f1) * (float)Math.PI / 180.0F);
            vec3.rotateAroundY(f10 * 0.5F);
            vec3.rotateAroundX(-f10 * 0.7F);

            double d3 = dog.getOwner().prevPosX + (dog.getOwner().posX - dog.getOwner().prevPosX) * (double)f1 + vec3.xCoord;
            double d4 = dog.getOwner().prevPosY + (dog.getOwner().posY - dog.getOwner().prevPosY) * (double)f1 + vec3.yCoord;
            double d5 = dog.getOwner().prevPosZ + (dog.getOwner().posZ - dog.getOwner().prevPosZ) * (double)f1 + vec3.zCoord;

            double d9 = entity.prevPosX + (entity.posX - entity.prevPosX) * (double)f1;
            double d10 = entity.prevPosY + (entity.posY - entity.prevPosY) * (double)f1 + 0.5D;
            double d11 = entity.prevPosZ + (entity.posZ - entity.prevPosZ) * (double)f1;
            double d12 = (double)((float)(d3 - d9));
            double d13 = (double)((float)(d4 - d10));
            double d14 = (double)((float)(d5 - d11));
            GL11.glDisable(GL11.GL_TEXTURE_2D);
            GL11.glDisable(GL11.GL_LIGHTING);

            Tessellator tessellator = Tessellator.instance;

            tessellator.startDrawing(3);
            tessellator.setColorOpaque_I(0);
            byte b2 = 16;

            for (int i = 0; i <= b2; ++i)
            {
                float f12 = (float)i / (float)b2;
                tessellator.addVertex(d0 + d12 * (double)f12, d1 + d13 * (double)(f12 * f12 + f12) * 0.5D + 0.25D, d2 + d14 * (double)f12);
            }

            tessellator.draw();

            GL11.glEnable(GL11.GL_TEXTURE_2D);
            GL11.glEnable(GL11.GL_LIGHTING);
        }
    }

    @Override
    protected int shouldRenderPass(EntityLivingBase entity, int i0, float f0)
    {
        return this.inheritRenderPass((EntityDog) entity, i0, f0);
    }

    @Override
    protected ResourceLocation getEntityTexture(Entity entity)
    {
        if (entity instanceof EntityDog)
        {

            if (((EntityDog) entity).getTextureName().contains("@")) //If name has number with one Digit like 1 then remove it -- only supports 0-9
            {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase()
                    + ":textures/entities/" + ((EntityDog) entity).getTextureName().substring(0, ((EntityDog) entity).getTextureName().length() - 2) + "/"
                    + ((EntityDog) entity).getTextureName() + ".png");
        }

            else if (((EntityDog) entity).getTextureName().contains("#")) //If name has number with two Digit like 10 then remove them -- only supports 10-99
            {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase()
                    + ":textures/entities/" + ((EntityDog) entity).getTextureName().substring(0, ((EntityDog) entity).getTextureName().length() - 3) + "/"
                    + ((EntityDog) entity).getTextureName() + ".png");
        }

            else if (((EntityDog) entity).getTextureName().contains("$")) //If name has number with three Digits like 100 then remove them -- only supports 100-999
            {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase()
                    + ":textures/entities/" + ((EntityDog) entity).getTextureName().substring(0, ((EntityDog) entity).getTextureName().length() - 4) + "/"
                    + ((EntityDog) entity).getTextureName() + ".png");
        }

        else {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase()
                    + ":textures/entities/" + ((EntityDog) entity).getTextureName() + "/"
                    + ((EntityDog) entity).getTextureName() + ".png");
        }
    }
        return null;
    }

    protected ResourceLocation getDogCollarTexture(EntityDog entity)
    {
        if (((EntityDog) entity).getTextureName().contains("@"))
        {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase() + ":textures/entities/" + ((EntityDog) entity).getTextureName().substring(0, ((EntityDog) entity).getTextureName().length() - 2) + "/"
                    + ((EntityDog) entity).getTextureName() + "_collar.png");
        }

        else if (((EntityDog) entity).getTextureName().contains("#"))
        {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase() + ":textures/entities/" + ((EntityDog) entity).getTextureName().substring(0, ((EntityDog) entity).getTextureName().length() - 3) + "/"
                    + ((EntityDog) entity).getTextureName() + "_collar.png");
        }

        else if (((EntityDog) entity).getTextureName().contains("$"))
        {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase() + ":textures/entities/" + ((EntityDog) entity).getTextureName().substring(0, ((EntityDog) entity).getTextureName().length() - 4) + "/"
                    + ((EntityDog) entity).getTextureName() + "_collar.png");
        }

        else {
            return new ResourceLocation(Reference.MOD_ID.toLowerCase() + ":textures/entities/" + ((EntityDog) entity).getTextureName() + "/"
                    + ((EntityDog) entity).getTextureName() + "_collar.png");
            }
    }
}