package appeng.client.render.items;

import net.minecraft.client.renderer.ItemRenderer;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraftforge.client.IItemRenderer;

import org.lwjgl.opengl.GL11;

import appeng.api.util.AEColor;
import appeng.client.texture.ExtraItemTextures;
import appeng.items.misc.ItemPaintBall;

public class PaintBallRender implements IItemRenderer
{

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

	@Override
	public boolean shouldUseRenderHelper(ItemRenderType type, ItemStack item, ItemRendererHelper helper)
	{
		return helper == ItemRendererHelper.ENTITY_BOBBING || helper == ItemRendererHelper.ENTITY_ROTATION;
	}

	@Override
	public void renderItem(ItemRenderType type, ItemStack item, Object... data)
	{
		IIcon par2Icon = item.getIconIndex();
		if ( item.getItemDamage() >= 20 )
			par2Icon = ExtraItemTextures.ItemPaintBallShimmer.getIcon();

		float f4 = ((IIcon) par2Icon).getMinU();
		float f5 = ((IIcon) par2Icon).getMaxU();
		float f6 = ((IIcon) par2Icon).getMinV();
		float f7 = ((IIcon) par2Icon).getMaxV();
		float f12 = 0.0625F;

		ItemPaintBall ipb = (ItemPaintBall) item.getItem();

		Tessellator tessellator = Tessellator.instance;
		GL11.glPushMatrix();
		GL11.glPushAttrib( GL11.GL_ALL_ATTRIB_BITS );

		AEColor col = ipb.getColor( item );

		int colorValue = item.getItemDamage() >= 20 ? col.mediumVariant : col.mediumVariant;
		int r = (colorValue >> 16) & 0xff;
		int g = (colorValue >> 8) & 0xff;
		int b = (colorValue >> 0) & 0xff;

		int full = (int) (255 * 0.3);
		float fail = 0.7f;

		if ( item.getItemDamage() >= 20 )
			GL11.glColor4ub( (byte) (full + r * fail), (byte) (full + g * fail), (byte) (full + b * fail), (byte) 255 );
		else
			GL11.glColor4ub( (byte) r, (byte) g, (byte) b, (byte) 255 );

		if ( type == ItemRenderType.INVENTORY )
		{
			GL11.glScalef( 16F, 16F, 10F );
			GL11.glTranslatef( 0.0F, 1.0F, 0.0F );
			GL11.glRotatef( 180F, 1.0F, 0.0F, 0.0F );
			GL11.glEnable( GL11.GL_ALPHA_TEST );

			tessellator.startDrawingQuads();
			tessellator.setNormal( 0.0F, 1.0F, 0.0F );
			tessellator.addVertexWithUV( 0, 0, 0, (double) f4, (double) f7 );
			tessellator.addVertexWithUV( 1, 0, 0, (double) f5, (double) f7 );
			tessellator.addVertexWithUV( 1, 1, 0, (double) f5, (double) f6 );
			tessellator.addVertexWithUV( 0, 1, 0, (double) f4, (double) f6 );
			tessellator.draw();
		}
		else
		{
			if ( type == ItemRenderType.EQUIPPED_FIRST_PERSON )
				GL11.glTranslatef( 0.0F, 0.0F, 0.0F );
			else
				GL11.glTranslatef( -0.5F, -0.3F, 0.01F );
			ItemRenderer.renderItemIn2D( tessellator, f5, f6, f4, f7, ((IIcon) par2Icon).getIconWidth(), ((IIcon) par2Icon).getIconHeight(), f12 );

			GL11.glDisable( GL11.GL_CULL_FACE );
			GL11.glColor4f( 1, 1, 1, 1.0F );
			GL11.glScalef( 1F, 1.1F, 1F );
			GL11.glTranslatef( 0.0F, 1.07F, f12 / -2.0f );
			GL11.glRotatef( 180F, 1.0F, 0.0F, 0.0F );
		}

		GL11.glColor4f( 1, 1, 1, 1.0F );

		GL11.glPopAttrib();
		GL11.glPopMatrix();
	}
}