package darkknight.jewelrycraft.model;

import net.minecraft.client.Minecraft;
import net.minecraft.client.model.ModelBase;
import net.minecraft.client.model.ModelRenderer;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;

/**
 * @author Paul Fulham (pau101)
 */
public class ItemStackModelRenderer extends ModelRenderer
{
    private RenderItem renderItem;
    private TextureManager textureManager;
    private ResourceLocation resetResourceLocation;
    private EntityItem entityItem;
    private Minecraft mc;
    
    /**
     * @param modelBase
     * @param resetResourceLocation
     */
    public ItemStackModelRenderer(ModelBase modelBase, ResourceLocation resetResourceLocation)
    {
        super(modelBase);
        renderItem = (RenderItem)RenderManager.instance.entityRenderMap.get(EntityItem.class);
        textureManager = (mc = Minecraft.getMinecraft()).getTextureManager();
        this.resetResourceLocation = resetResourceLocation;
    }
    
    /**
     * @param itemStack
     */
    public void setItemStack(ItemStack itemStack)
    {
        if (itemStack == null || itemStack.getItem() == null) entityItem = null;
        else{
            entityItem = new EntityItem(null, 0, 0, 0, itemStack);
            entityItem.hoverStart = 0;
        }
    }
    
    /**
     * @param scale
     */
    @Override
    public void render(float scale)
    {
        if (!isHidden && showModel && entityItem != null){
            if (textureManager == null) textureManager = mc.getTextureManager();
            GL11.glPushMatrix();
            GL11.glTranslatef(offsetX, offsetY, offsetZ);
            GL11.glTranslatef(rotationPointX * scale, rotationPointY * scale, rotationPointZ * scale);
            GL11.glRotatef(rotateAngleZ * (180 / (float)Math.PI), 0, 0, 1);
            GL11.glRotatef(rotateAngleY * (180 / (float)Math.PI), 0, 1, 0);
            GL11.glRotatef(rotateAngleX * (180 / (float)Math.PI), 1, 0, 0);
            boolean fancyGraphics = mc.gameSettings.fancyGraphics;
            mc.gameSettings.fancyGraphics = true;
            renderItem.doRender(entityItem, 0, 0, 0, 0, 0);
            mc.gameSettings.fancyGraphics = fancyGraphics;
            GL11.glPopMatrix();
            textureManager.bindTexture(resetResourceLocation);
        }
    }
}