Add settings to protect items from explosions (#2504)

Co-authored-by: Josh Roy <10731363+JRoy@users.noreply.github.com>
Co-authored-by: pop4959 <pop4959@gmail.com>

Adds protection settings to Protect to block item damage when entities such as wither skulls, fireballs, TNT and creepers explode.

Closes #2284.

Essentials/src/config.yml

@@ -792,22 +792,28 @@ protect:
     water-bucket-flow: false
     fire-spread: true
     lava-fire-spread: true
+    lava-itemdamage: false
     flint-fire: false
     lightning-fire-spread: true
     portal-creation: false
     tnt-explosion: false
     tnt-playerdamage: false
+    tnt-itemdamage: false
     tnt-minecart-explosion: false
     tnt-minecart-playerdamage: false
+    tnt-minecart-itemdamage: false
     fireball-explosion: false
     fireball-fire: false
     fireball-playerdamage: false
+    fireball-itemdamage: false
     witherskull-explosion: false
     witherskull-playerdamage: false
+    witherskull-itemdamage: false
     wither-spawnexplosion: false
     wither-blockreplace: false
     creeper-explosion: false
     creeper-playerdamage: false
+    creeper-itemdamage: false
     creeper-blockdamage: false
     ender-crystal-explosion: false
     enderdragon-blockdamage: true

EssentialsProtect/src/com/earth2me/essentials/protect/EssentialsProtectBlockListener.java

@@ -5,12 +5,16 @@ import com.earth2me.essentials.utils.EnumUtil;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
+import org.bukkit.entity.*;
+import org.bukkit.entity.minecart.ExplosiveMinecart;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockBurnEvent;
 import org.bukkit.event.block.BlockFromToEvent;
 import org.bukkit.event.block.BlockIgniteEvent;
+import org.bukkit.event.entity.EntityDamageByEntityEvent;
+import org.bukkit.event.entity.EntityDamageEvent;
 import org.bukkit.event.world.PortalCreateEvent;
 
 import java.util.Set;
@@ -58,6 +62,37 @@ public class EssentialsProtectBlockListener implements Listener {
         }
     }
 
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void onEntityDamageByEntity(EntityDamageByEntityEvent event) {
+        if (event.getEntity() instanceof Item) {
+            if (event.getCause() == EntityDamageEvent.DamageCause.FIRE || event.getCause() == EntityDamageEvent.DamageCause.FIRE_TICK || event.getCause() == EntityDamageEvent.DamageCause.LAVA) {
+                event.setCancelled(prot.getSettingBool(ProtectConfig.disable_lava_item_dmg));
+            }
+
+            if (event.getCause() == EntityDamageEvent.DamageCause.ENTITY_EXPLOSION) {
+                if (event.getDamager() instanceof TNTPrimed) {
+                    event.setCancelled(prot.getSettingBool(ProtectConfig.prevent_tnt_itemdmg));
+                }
+
+                if (event.getDamager() instanceof Creeper) {
+                    event.setCancelled(prot.getSettingBool(ProtectConfig.prevent_creeper_itemdmg));
+                }
+
+                if (event.getDamager() instanceof ExplosiveMinecart) {
+                    event.setCancelled(prot.getSettingBool(ProtectConfig.prevent_tntminecart_itemdmg));
+                }
+
+                if (event.getDamager() instanceof WitherSkull) {
+                    event.setCancelled(prot.getSettingBool(ProtectConfig.prevent_witherskull_itemdmg));
+                }
+
+                if (event.getDamager() instanceof Fireball) {
+                    event.setCancelled(prot.getSettingBool(ProtectConfig.prevent_fireball_itemdmg));
+                }
+            }
+        }
+    }
+
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onBlockFromTo(final BlockFromToEvent event) {
         final Block block = event.getBlock();

EssentialsProtect/src/com/earth2me/essentials/protect/ProtectConfig.java

@@ -4,6 +4,7 @@ package com.earth2me.essentials.protect;
 public enum ProtectConfig {
     disable_contactdmg("protect.disable.contactdmg", false),
     disable_lavadmg("protect.disable.lavadmg", false),
+    disable_lava_item_dmg("protect.prevent.lava-itemdamage", false),
     disable_pvp("protect.disable.pvp", false),
     disable_projectiles("protect.disable.projectiles", false),
     disable_fall("protect.disable.fall", false),
@@ -26,17 +27,22 @@ public enum ProtectConfig {
     prevent_block_on_rail("protect.protect.prevent-block-on-rails", false),
     prevent_tnt_explosion("protect.prevent.tnt-explosion", false),
     prevent_tnt_playerdmg("protect.prevent.tnt-playerdamage", false),
+    prevent_tnt_itemdmg("protect.prevent.tnt-itemdamage", false),
     prevent_tntminecart_explosion("protect.prevent.tnt-minecart-explosion", false),
     prevent_tntminecart_playerdmg("protect.prevent.tnt-minecart-playerdamage", false),
+    prevent_tntminecart_itemdmg("protect.prevent.tnt-minecart-itemdamage", false),
     prevent_fireball_explosion("protect.prevent.fireball-explosion", false),
     prevent_fireball_fire("protect.prevent.fireball-fire", false),
     prevent_fireball_playerdmg("protect.prevent.fireball-playerdamage", false),
+    prevent_fireball_itemdmg("protect.prevent.fireball-itemdamage", false),
     prevent_witherskull_explosion("protect.prevent.witherskull-explosion", false),
     prevent_witherskull_playerdmg("protect.prevent.witherskull-playerdamage", false),
+    prevent_witherskull_itemdmg("protect.prevent.witherskull-itemdamage", false),
     prevent_wither_spawnexplosion("protect.prevent.wither-spawnexplosion", false),
     prevent_wither_blockreplace("protect.prevent.wither-blockreplace", false),
     prevent_creeper_explosion("protect.prevent.creeper-explosion", true),
     prevent_creeper_playerdmg("protect.prevent.creeper-playerdamage", false),
+    prevent_creeper_itemdmg("protect.prevent.creeper-itemdamage", false),
     prevent_creeper_blockdmg("protect.prevent.creeper-blockdamage", false),
     prevent_ender_crystal_explosion("protect.prevent.ender-crystal-explosion", false),
     prevent_enderman_pickup("protect.prevent.enderman-pickup", false),