ExperienceCraftingPlayerProperties

package io.github.anon10w1z.expcrafting;

import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.World;
import net.minecraftforge.common.IExtendedEntityProperties;

/**
 * The extended player properties of Experience Crafting
 */
public class ExperienceCraftingPlayerProperties implements IExtendedEntityProperties {
	/**
	 * The name of the properties
	 */
	public static final String PROPERTIES_NAME = "EXPERIENCE_CRAFTING_PROPERTIES";
	
	/**
	 * The player these properties are attached to
	 */
	public EntityPlayer player;
	/**
	 * The max experience level the player has attained
	 */
	public int maxExperienceLevel = 0;
	
	/**
	 * Saves the max experience level to NBT
	 * @param nbtTagCompound The NBT tag compound to save the max experience level to
	 */
	@Override
	public void saveNBTData(NBTTagCompound nbtTagCompound) {
		nbtTagCompound.setInteger("HighestXpLevel", this.maxExperienceLevel);
	}

	/**
	 * Loads the max experience level from NBT
	 * @param nbtTagCompound The NBT tag compound to load the max experience level from
	 */
	@Override
	public void loadNBTData(NBTTagCompound nbtTagCompound) {
		this.maxExperienceLevel = nbtTagCompound.getInteger("HighestXpLevel");
	}

	@Override
	public void init(Entity entity, World world) {
		//do nothing
	}
	
	/**
	 * Updates the max experience level for the given player
	 * @param player The player to update the max experience for
	 */
	public static void updateMaxExperienceLevel(EntityPlayer player) {
		setMaxExperienceLevel(player, Math.max(player.experienceLevel, getMaxExperienceLevel(player)));
	}
	
	/**
	 * Sets the given max experience level for the given player
	 * @param player The player to set the max experience level for
	 * @param maxExperienceLevel The max experience level to set the player's to
	 */
	public static void setMaxExperienceLevel(EntityPlayer player, int maxExperienceLevel) {
		((ExperienceCraftingPlayerProperties) player.getExtendedProperties(PROPERTIES_NAME)).maxExperienceLevel = maxExperienceLevel;
	}
	
	/**
	 * Gets the max experience level for the given player
	 * @param player The player to get the max experience level of
	 * @return The max experience level of the given player
	 */
	public static int getMaxExperienceLevel(EntityPlayer player) {
		if (player == null)
			return 0;
		if (player.getExtendedProperties("EXPERIENCE_CRAFTING_PROPERTIES") == null)
			player.registerExtendedProperties("EXPERIENCE_CRAFTING_PROPERTIES", new ExperienceCraftingPlayerProperties());
		return ((ExperienceCraftingPlayerProperties) player.getExtendedProperties(PROPERTIES_NAME)).maxExperienceLevel;
	}
}