RenderSocketable.java

package ttftcuts.physis.client.render.item;

import org.lwjgl.opengl.GL11;

import ttftcuts.physis.api.artifact.IArtifactEffect;
import ttftcuts.physis.api.artifact.IArtifactTrigger;
import ttftcuts.physis.common.artifact.PhysisArtifacts;
import ttftcuts.physis.common.helper.InputHelper;
import ttftcuts.physis.common.helper.PhysisRenderHelper;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraftforge.client.IItemRenderer;

public class RenderSocketable implements IItemRenderer {
	
	@Override
	public boolean handleRenderType(ItemStack item, ItemRenderType type) {
		return type == ItemRenderType.INVENTORY;
	}

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

	@Override
	public void renderItem(ItemRenderType type, ItemStack item, Object... data) {
		
		PhysisRenderHelper.renderItemStack(item, 0, 0, false, false);
		
		boolean crouch = InputHelper.isKeyDown(Minecraft.getMinecraft().gameSettings.keyBindSneak.getKeyCode());
		
		if (crouch) {
			RenderHelper.disableStandardItemLighting();
			GL11.glColor4f(1, 1, 1, 1);
			GL11.glEnable(GL11.GL_ALPHA_TEST);
			
			Tessellator t = Tessellator.instance;
			
			IArtifactTrigger trigger = PhysisArtifacts.getTriggerFromSocketable(item);
			IArtifactEffect effect = PhysisArtifacts.getEffectFromSocketable(item);
			
			IIcon icon = PhysisArtifacts.getTriggerIcon(trigger);
			t.startDrawingQuads();
			t.addVertexWithUV(8, 8, 0, icon.getMinU(), icon.getMaxV());
			t.addVertexWithUV(16, 8, 0, icon.getMaxU(), icon.getMaxV());
			t.addVertexWithUV(16, 0, 0, icon.getMaxU(), icon.getMinV());
			t.addVertexWithUV(8, 0, 0, icon.getMinU(), icon.getMinV());
			t.draw();
			
			icon = PhysisArtifacts.getEffectIcon(effect);
			t.startDrawingQuads();
			t.addVertexWithUV(8, 16, 0, icon.getMinU(), icon.getMaxV());
			t.addVertexWithUV(16, 16, 0, icon.getMaxU(), icon.getMaxV());
			t.addVertexWithUV(16, 8, 0, icon.getMaxU(), icon.getMinV());
			t.addVertexWithUV(8, 8, 0, icon.getMinU(), icon.getMinV());
			t.draw();
		
		}
		RenderHelper.enableGUIStandardItemLighting();
	}
}