TinkersConstruct/tconstruct/client/entity/projectile/ArrowRenderCustom.java

package tconstruct.client.entity.projectile;

import java.util.Random;

import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.entity.Render;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.entity.Entity;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.client.ForgeHooksClient;

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

import tconstruct.entity.projectile.ArrowEntity;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class ArrowRenderCustom extends Render
{
	private static RenderItem renderer = new RenderItem();
	private Random random = new Random();

	public ArrowRenderCustom() {}

	/**
	 * Renders the item
	 */
	public void doRenderItem(ArrowEntity arrow, double par2, double par4, double par6, float par8, float par9)
	{
		random.setSeed(187L);
		ItemStack item = arrow.getEntityItem();
		GL11.glPushMatrix();
		GL11.glTranslatef((float)par2, (float)par4, (float)par6);
		GL11.glEnable(GL12.GL_RESCALE_NORMAL);
		GL11.glRotatef(arrow.prevRotationYaw + (arrow.rotationYaw - arrow.prevRotationYaw) * par9 - 90.0F, 0.0F, 1.0F, 0.0F);
		GL11.glRotatef(arrow.prevRotationPitch + (arrow.rotationPitch - arrow.prevRotationPitch) * par9 - 45.0F, 0.0F, 0.0F, 1.0F);
		float shake = arrow.arrowShake - par9;
		if (shake > 0.0F)
			GL11.glRotatef(-MathHelper.sin(shake * 3) * shake, 0, 0, 1);
		GL11.glTranslatef(-7 / 16f, -8 / 16f, -1 / 32f);
		float scale = 1.35f;
		GL11.glScalef(scale, scale, scale);
		ForgeHooksClient.renderEntityItem(null, item, 0, 0, random, renderManager.renderEngine, renderBlocks);
		GL11.glDisable(GL12.GL_RESCALE_NORMAL);
		GL11.glPopMatrix();
	}

	/**
	 * Renders the item's icon or block into the UI at the specified position.
	 */
	public void renderItemIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5)
	{
		renderer.renderItemIntoGUI(par1FontRenderer, par2TextureManager, par3ItemStack, par4, par5);
	}

	/**
	 * Render the item's icon or block into the GUI, including the glint effect.
	 */
	public void renderItemAndEffectIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5)
	{
		renderer.renderItemIntoGUI(par1FontRenderer, par2TextureManager, par3ItemStack, par4, par5);
	}

	/**
	 * Renders the item's overlay information. Examples being stack count or
	 * damage on top of the item's image at the specified position.
	 */
	public void renderItemOverlayIntoGUI(FontRenderer par1FontRenderer, TextureManager par2TextureManager, ItemStack par3ItemStack, int par4, int par5)
	{
		renderer.renderItemOverlayIntoGUI(par1FontRenderer, par2TextureManager, par3ItemStack, par4, par5);
	}

	/**
	 * Actually renders the given argument. This is a synthetic bridge method,
	 * always casting down its argument and then handing it off to a worker
	 * function which does the actual work. In all probabilty, the class Render
	 * is generic (Render<T extends Entity) and this method has signature public
	 * void doRender(T entity, double d, double d1, double d2, float f, float
	 * f1). But JAD is pre 1.5 so doesn't do that.
	 */
	@Override
	public void doRender(Entity par1Entity, double par2, double par4, double par6, float par8, float par9)
	{
		this.doRenderItem((ArrowEntity)par1Entity, par2, par4, par6, par8, par9);
	}
	
	protected ResourceLocation func_110775_a (Entity par1Entity)
    {
        return this.func_110796_a((ArrowEntity) par1Entity);
    }
	
	protected ResourceLocation func_110796_a (ArrowEntity par1ArrowEntity)
    {
        return this.renderManager.renderEngine.func_130087_a(par1ArrowEntity.getEntityItem().getItemSpriteNumber());
    }
}