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PlayerPreparesEnchantScriptEvent.java
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PlayerPreparesEnchantScriptEvent.java
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package com.denizenscript.denizen.events.player;
import com.denizenscript.denizen.events.BukkitScriptEvent;
import com.denizenscript.denizen.objects.*;
import com.denizenscript.denizen.utilities.Utilities;
import com.denizenscript.denizen.utilities.debugging.Debug;
import com.denizenscript.denizen.utilities.implementation.BukkitScriptEntryData;
import com.denizenscript.denizencore.objects.ObjectTag;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.core.ListTag;
import com.denizenscript.denizencore.objects.core.MapTag;
import com.denizenscript.denizencore.scripts.ScriptEntryData;
import com.denizenscript.denizencore.utilities.CoreUtilities;
import org.bukkit.enchantments.EnchantmentOffer;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.enchantment.PrepareItemEnchantEvent;
public class PlayerPreparesEnchantScriptEvent extends BukkitScriptEvent implements Listener {
// <--[event]
// @Events
// player prepares item enchant
// player prepares <item> enchant
//
// @Regex ^on player prepares [^\s]+ enchant$
//
// @Group Player
//
// @Triggers when a player prepares to enchant an item.
//
// @Context
// <context.location> returns the LocationTag of the enchanting block.
// <context.item> returns the ItemTag to be enchanted.
// <context.bonus> returns an ElementTag(Number) of the enchanting bonus available (number of bookshelves).
// <context.offers> returns a ListTag of the available enchanting offers, each as a MapTag with keys 'cost', 'enchantment', and 'level'.
//
// @Determine
// "OFFERS:" + ListTag of MapTags to set the offers available. Cannot be a different size list than the size of context.offers.
//
// @Player Always.
//
// -->
public PlayerPreparesEnchantScriptEvent() {
instance = this;
}
public static PlayerPreparesEnchantScriptEvent instance;
public PrepareItemEnchantEvent event;
@Override
public boolean couldMatch(ScriptPath path) {
if (!path.eventLower.startsWith("player prepares") || !path.eventArgLowerAt(3).equals("enchant")) {
return false;
}
if (!couldMatchItem(path.eventArgLowerAt(2))) {
return false;
}
return true;
}
@Override
public boolean matches(ScriptPath path) {
String eItem = path.eventArgLowerAt(2);
if (!tryItem(new ItemTag(event.getItem()), eItem)) {
return false;
}
return super.matches(path);
}
@Override
public String getName() {
return "PlayerPreparesEnchant";
}
@Override
public boolean applyDetermination(ScriptPath path, ObjectTag determinationObj) {
if (determinationObj instanceof ElementTag) {
String determineLow = CoreUtilities.toLowerCase(determinationObj.toString());
if (determineLow.startsWith("offers:")) {
ListTag offers = ListTag.valueOf(determineLow.substring("offers:".length()), getTagContext(path));
if (offers.size() != event.getOffers().length) {
Debug.echoError("Offer list size incorrect.");
return false;
}
for (int i = 0; i < offers.size(); i++) {
MapTag map = MapTag.getMapFor(offers.getObject(i), getTagContext(path));
event.getOffers()[i].setCost(new ElementTag(map.getObject("cost").toString()).asInt());
event.getOffers()[i].setEnchantment(Utilities.getEnchantmentByName(map.getObject("enchantment").toString()));
event.getOffers()[i].setEnchantmentLevel(new ElementTag(map.getObject("level").toString()).asInt());
}
return true;
}
}
return super.applyDetermination(path, determinationObj);
}
@Override
public ScriptEntryData getScriptEntryData() {
return new BukkitScriptEntryData(new PlayerTag(event.getEnchanter()), null);
}
@Override
public ObjectTag getContext(String name) {
switch (name) {
case "item":
return new ItemTag(event.getItem());
case "location":
return new LocationTag(event.getEnchantBlock().getLocation());
case "bonus":
return new ElementTag(event.getEnchantmentBonus());
case "offers":
ListTag output = new ListTag();
for (EnchantmentOffer offer : event.getOffers()) {
MapTag map = new MapTag();
map.putObject("cost", new ElementTag(offer.getCost()));
map.putObject("enchantment", new ElementTag(offer.getEnchantment().getKey().getKey()));
map.putObject("level", new ElementTag(offer.getEnchantmentLevel()));
output.addObject(map);
}
return output;
}
return super.getContext(name);
}
@EventHandler
public void onEnchantItem(PrepareItemEnchantEvent event) {
if (event.getInventory().getViewers().isEmpty()) {
return;
}
this.event = event;
fire(event);
}
}