RenderSaw.java

package minefantasy.mf2.client.render;

/**
 *
 * @author Anonymous Productions
 */
import net.minecraft.client.Minecraft;
import minefantasy.mf2.api.helpers.TextureHelperMF;
import net.minecraft.client.renderer.ItemRenderer;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraftforge.client.IItemRenderer;

import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;

import cpw.mods.fml.client.FMLClientHandler;

public class RenderSaw implements IItemRenderer 
{
    RenderItem renderItem = new RenderItem();
    private float scale;
    
    public RenderSaw()
    {
    	this(1.0F);
    }
    public RenderSaw(float Sc)
    {
    	scale = Sc;
    }

    @Override
    public boolean handleRenderType(ItemStack item, ItemRenderType type)
    {
        return type.equals(ItemRenderType.EQUIPPED);
    }

    @Override
    public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper)
    {
        return false;
    }

    @Override
    public void renderItem(ItemRenderType type, ItemStack item, Object... data) 
    {
    	Minecraft mc = FMLClientHandler.instance().getClient();
        if (type.equals(ItemRenderType.EQUIPPED)) 
        {
        	renderItem(item);
        } 

    }

    private void renderItem(ItemStack item)
    {
        GL11.glPushMatrix();
        
        Minecraft mc = FMLClientHandler.instance().getClient();
        mc.renderEngine.bindTexture(TextureMap.locationItemsTexture);
        Tessellator tessellator = Tessellator.instance;
        
        float xOffset = 0.05F+(0.5F * (scale - 1));
        float yOffset = 0.35F-(0.5F * (scale - 1));
        float xPos = 0.0F+xOffset-yOffset;
        float yPos = 0.3F-xOffset-yOffset;
        GL11.glEnable(GL12.GL_RESCALE_NORMAL);
        GL11.glTranslatef(-xPos, -yPos, 0.0F);
        GL11.glScalef(scale, scale, 1);
        
        for(int layer = 0; layer < item.getItem().getRenderPasses(item.getItemDamage()); layer ++)
    	{
    		int colour = item.getItem().getColorFromItemStack(item, layer);
            float red = (float)(colour >> 16 & 255) / 255.0F;
            float green = (float)(colour >> 8 & 255) / 255.0F;
            float blue = (float)(colour & 255) / 255.0F;
            
            GL11.glColor4f(red, green, blue, 1.0F);
            
	        IIcon icon = item.getItem().getIcon(item, layer);

            ItemRenderer.renderItemIn2D(tessellator,
            		icon.getMaxU(),
                    icon.getMinV(),
                    icon.getMinU(),
                    icon.getMaxV(),
                    icon.getIconWidth(),
                    icon.getIconHeight(), 1F/16F);
    	}
        if (item != null && item.hasEffect(0)) 
        {
        	TextureHelperMF.renderEnchantmentEffects(tessellator);
        }

        GL11.glDisable(GL12.GL_RESCALE_NORMAL);

        GL11.glPopMatrix();

    }
}