ItemHolyCloak.java

/**
 * This class was created by <Vazkii>. It's distributed as
 * part of the Botania Mod. Get the Source Code in github:
 * https://github.com/Vazkii/Botania
 *
 * Botania is Open Source and distributed under the
 * Botania License: http://botaniamod.net/license.php
 *
 * File Created @ [Dec 4, 2014, 11:03:13 PM (GMT)]
 */
package vazkii.botania.common.item.equipment.bauble;

import baubles.api.BaubleType;
import baubles.api.BaublesApi;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.EntityEquipmentSlot;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.SoundCategory;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.living.LivingHurtEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;
import net.minecraftforge.items.IItemHandler;
import vazkii.botania.api.item.IBaubleRender;
import vazkii.botania.api.sound.BotaniaSoundEvents;
import vazkii.botania.client.lib.LibResources;
import vazkii.botania.client.model.ModelCloak;
import vazkii.botania.common.Botania;
import vazkii.botania.common.core.helper.ItemNBTHelper;
import vazkii.botania.common.lib.LibItemNames;

public class ItemHolyCloak extends ItemBauble implements IBaubleRender {

	private static final ResourceLocation texture = new ResourceLocation(LibResources.MODEL_HOLY_CLOAK);
	private static final ResourceLocation textureGlow = new ResourceLocation(LibResources.MODEL_HOLY_CLOAK_GLOW);

	@SideOnly(Side.CLIENT)
	private static ModelCloak model;

	private static final String TAG_COOLDOWN = "cooldown";
	private static final String TAG_IN_EFFECT = "inEffect";

	public ItemHolyCloak() {
		this(LibItemNames.HOLY_CLOAK);
		MinecraftForge.EVENT_BUS.register(this);
	}

	public ItemHolyCloak(String name) {
		super(name);
	}

	@SubscribeEvent
	public void onPlayerDamage(LivingHurtEvent event) {
		if(event.getEntityLiving() instanceof EntityPlayer) {
			EntityPlayer player = (EntityPlayer) event.getEntityLiving();
			ItemStack belt = BaublesApi.getBaublesHandler(player).getStackInSlot(5);
			if(!belt.isEmpty() && belt.getItem() instanceof ItemHolyCloak && !isInEffect(belt)) {
				ItemHolyCloak cloak = (ItemHolyCloak) belt.getItem();
				int cooldown = getCooldown(belt);

				// Used to prevent StackOverflows with mobs that deal damage when damaged
				setInEffect(belt, true);
				if(cooldown == 0 && cloak.effectOnDamage(event, player, belt))
					setCooldown(belt, cloak.getCooldownTime(belt));
				setInEffect(belt, false);
			}
		}
	}

	@Override
	public void onWornTick(ItemStack stack, EntityLivingBase player) {
		int cooldown = getCooldown(stack);
		if(cooldown > 0)
			setCooldown(stack, cooldown - 1);
	}

	public boolean effectOnDamage(LivingHurtEvent event, EntityPlayer player, ItemStack stack) {
		if(!event.getSource().isMagicDamage()) {
			event.setCanceled(true);
			player.world.playSound(null, player.posX, player.posY, player.posZ, BotaniaSoundEvents.holyCloak, SoundCategory.PLAYERS, 1F, 1F);
			for(int i = 0; i < 30; i++) {
				double x = player.posX + Math.random() * player.width * 2 - player.width;
				double y = player.posY + Math.random() * player.height;
				double z = player.posZ + Math.random() * player.width * 2 - player.width;
				boolean yellow = Math.random() > 0.5;
				Botania.proxy.sparkleFX(x, y, z, yellow ? 1F : 0.3F, yellow ? 1F : 0.3F, yellow ? 0.3F : 1F, 0.8F + (float) Math.random() * 0.4F, 3);
			}
			return true;
		}

		return false;
	}

	public int getCooldownTime(ItemStack stack) {
		return 200;
	}

	@Override
	public BaubleType getBaubleType(ItemStack arg0) {
		return BaubleType.BODY;
	}

	public static int getCooldown(ItemStack stack) {
		return ItemNBTHelper.getInt(stack, TAG_COOLDOWN, 0);
	}

	public static void setCooldown(ItemStack stack, int cooldown) {
		ItemNBTHelper.setInt(stack, TAG_COOLDOWN, cooldown);
	}

	public static boolean isInEffect(ItemStack stack) {
		return ItemNBTHelper.getBoolean(stack, TAG_IN_EFFECT, false);
	}

	public static void setInEffect(ItemStack stack, boolean effect) {
		ItemNBTHelper.setBoolean(stack, TAG_IN_EFFECT, effect);
	}

	@SideOnly(Side.CLIENT)
	ResourceLocation getCloakTexture() {
		return texture;
	}

	@SideOnly(Side.CLIENT)
	ResourceLocation getCloakGlowTexture() {
		return textureGlow;
	}

	@Override
	@SideOnly(Side.CLIENT)
	public void onPlayerBaubleRender(ItemStack stack, EntityPlayer player, RenderType type, float partialTicks) {
		if(type == RenderType.BODY) {
			Helper.rotateIfSneaking(player);
			boolean armor = !player.getItemStackFromSlot(EntityEquipmentSlot.CHEST).isEmpty();
			GlStateManager.translate(0F, armor ? -0.07F : -0.01F, 0F);

			float s = 1F / 16F;
			GlStateManager.scale(s, s, s);
			if(model == null)
				model = new ModelCloak();

			GlStateManager.enableLighting();
			GlStateManager.enableRescaleNormal();

			Minecraft.getMinecraft().renderEngine.bindTexture(getCloakTexture());
			model.render(1F);

			int light = 15728880;
			int lightmapX = light % 65536;
			int lightmapY = light / 65536;
			OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, lightmapX, lightmapY);
			Minecraft.getMinecraft().renderEngine.bindTexture(getCloakGlowTexture());
			model.render(1F);
		}
	}

}