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DamageTrigger.java
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DamageTrigger.java
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package com.denizenscript.denizen.scripts.triggers.core;
import com.denizenscript.denizen.scripts.containers.core.InteractScriptContainer;
import com.denizenscript.denizen.scripts.containers.core.InteractScriptHelper;
import com.denizenscript.denizen.utilities.DenizenAPI;
import com.denizenscript.denizen.npc.traits.TriggerTrait;
import com.denizenscript.denizen.objects.EntityTag;
import com.denizenscript.denizen.objects.ItemTag;
import com.denizenscript.denizen.objects.NPCTag;
import com.denizenscript.denizen.objects.PlayerTag;
import com.denizenscript.denizen.scripts.triggers.AbstractTrigger;
import com.denizenscript.denizen.tags.BukkitTagContext;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.ObjectTag;
import com.denizenscript.denizencore.objects.core.ScriptTag;
import com.denizenscript.denizencore.tags.TagManager;
import net.citizensnpcs.api.CitizensAPI;
import org.bukkit.Bukkit;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import java.util.HashMap;
import java.util.Map;
public class DamageTrigger extends AbstractTrigger implements Listener {
// <--[language]
// @name Damage Triggers
// @group NPC Interact Scripts
// @description
// Damage Triggers are triggered when when a player left clicks the NPC.
// Despite the name, these do not actually require the NPC take any damage, only that the player left clicks the NPC.
//
// In scripts, use <context.damage> to measure how much damage was done to the NPC
// (though note that invincible NPCs don't necessarily take any damage even when this is non-zero).
//
// These are very basic with no extraneous complexity.
//
// -->
// <--[action]
// @Actions
// no damage trigger
//
// @Triggers when the NPC is damaged by a player but no damage trigger fires.
//
// @Context
// None
//
// -->
// Technically defined in TriggerTrait, but placing here instead.
// <--[action]
// @Actions
// damage
//
// @Triggers when the NPC is damaged by a player.
//
// @Context
// <context.damage> returns how much damage was done.
//
// @Determine
// "cancelled" to cancel the damage event.
//
// -->
// <--[action]
// @Actions
// damaged
//
// @Triggers when the NPC is damaged by an entity.
//
// @Context
// <context.damage> returns how much damage was done.
// <context.damager> returns the entity that did the damage.
//
// @Determine
// "cancelled" to cancel the damage event.
//
// -->
@EventHandler
public void damageTrigger(EntityDamageByEntityEvent event) {
Map<String, ObjectTag> context = new HashMap<>();
context.put("damage", new ElementTag(event.getDamage()));
if (CitizensAPI.getNPCRegistry().isNPC(event.getEntity())) {
NPCTag npc = DenizenAPI.getDenizenNPC(CitizensAPI.getNPCRegistry().getNPC(event.getEntity()));
if (npc == null) {
return;
}
if (npc.getCitizen() == null) {
return;
}
EntityTag damager = new EntityTag(event.getDamager());
if (damager.isProjectile() && damager.hasShooter()) {
damager = damager.getShooter();
}
context.put("damager", damager);
String determ = npc.action("damaged", null, context);
if (determ != null && determ.equalsIgnoreCase("CANCELLED")) {
event.setCancelled(true);
return;
}
if (!damager.isPlayer()) {
return;
}
PlayerTag dplayer = damager.getDenizenPlayer();
if (!npc.getCitizen().hasTrait(TriggerTrait.class)) {
return;
}
if (!npc.getTriggerTrait().isEnabled(name)) {
return;
}
TriggerTrait.TriggerContext trigger = npc.getTriggerTrait().trigger(this, dplayer);
if (!trigger.wasTriggered()) {
return;
}
if (trigger.hasDetermination() && trigger.getDetermination().equalsIgnoreCase("cancelled")) {
event.setCancelled(true);
return;
}
InteractScriptContainer script = InteractScriptHelper.getInteractScript(npc, dplayer, getClass());
String id = null;
if (script != null) {
Map<String, String> idMap = script.getIdMapFor(this.getClass(), dplayer);
if (!idMap.isEmpty()) {
for (Map.Entry<String, String> entry : idMap.entrySet()) {
String entry_value = TagManager.tag(entry.getValue(), new BukkitTagContext(dplayer, npc, null, false, new ScriptTag(script)));
if (ItemTag.valueOf(entry_value, script).comparesTo(dplayer.getPlayerEntity().getEquipment().getItemInMainHand()) >= 0) {
id = entry.getKey();
}
}
}
}
if (!parse(npc, dplayer, script, id, context)) {
npc.action("no damage trigger", dplayer);
}
}
}
@Override
public void onEnable() {
Bukkit.getServer().getPluginManager().registerEvents(this, DenizenAPI.getCurrentInstance());
}
}