GH-414 feat: add spear with lunge cooldown

README.md

@@ -45,9 +45,14 @@ fair, heart-pounding battles that keep players on their toes. Here’s a rundown
   in action:  
   <img alt="Combat log anti logout feature" src="https://github.com/EternalCodeTeam/EternalCombat/blob/master/assets/combatlog.gif?raw=true" width="420">
 
+- **Support for newest features**
+  Our plugin features cooldown and delays for tridents, spears and much more. With **out of the box** configurable feats.
+  <img alt="Combat log anti logout feature" src="https://github.com/EternalCodeTeam/EternalCombat/blob/master/assets/spear.gif?raw=true" width="420">
+
 - **Customize combat experience**
   Add custom effects to players in combat or death. Everything should be configurable and user-friendly:
   <img alt="Lightning strikes when players die" src="https://github.com/EternalCodeTeam/EternalCombat/blob/master/assets/lightning.gif?raw=true" width="420">
+
   <img alt="Flare indicates players death location" src="https://github.com/EternalCodeTeam/EternalCombat/blob/master/assets/flare.gif?raw=true" width="420">
 
 - **Spawn Protection (Configurable)**  

buildSrc/src/main/kotlin/Versions.kt

@@ -26,10 +26,6 @@ object Versions {
 
     const val PLACEHOLDER_API = "2.12.3"
     const val LANDS_API = "7.25.4"
-    const val WORLDEDIT = "3ISh7ADm" //cannot use numeric version bc of duplicated version on modrinth
-    const val PACKETEVENTS = "2.11.1"
-    const val WORLDGUARD = "7.0.15-beta-01"
-    const val LUCKPERMS = "5.5.17"
 
 }
 

eternalcombat-api/src/main/java/com/eternalcode/combat/fight/spear/SpearService.java

@@ -0,0 +1,11 @@
+package com.eternalcode.combat.fight.spear;
+
+import java.time.Duration;
+import java.util.UUID;
+
+public interface SpearService {
+    boolean isOnCooldown(UUID uuid);
+    void saveCooldown(UUID uuid);
+    Duration getRemainingCooldown(UUID uuid);
+    void removeCooldown(UUID uuid);
+}

eternalcombat-plugin/src/main/java/com/eternalcode/combat/CombatPlugin.java

@@ -48,6 +48,9 @@
 import com.eternalcode.combat.fight.pearl.PearlController;
 import com.eternalcode.combat.fight.pearl.PearlService;
 import com.eternalcode.combat.fight.pearl.PearlServiceImpl;
+import com.eternalcode.combat.fight.spear.SpearLungeController;
+import com.eternalcode.combat.fight.spear.SpearService;
+import com.eternalcode.combat.fight.spear.SpearServiceImpl;
 import com.eternalcode.combat.fight.tagout.FightTagOutCommand;
 import com.eternalcode.combat.fight.tagout.FightTagOutController;
 import com.eternalcode.combat.fight.tagout.FightTagOutService;
@@ -150,6 +153,8 @@ public void onEnable() {
         BorderService borderService = new BorderServiceImpl(scheduler, server, regionProvider, eventManager, () -> pluginConfig.border);
         KnockbackService knockbackService = new KnockbackService(pluginConfig, scheduler, regionProvider);
 
+        SpearService spearService = new SpearServiceImpl(pluginConfig.spear);
+
         this.liteCommands = LiteBukkitFactory.builder(FALLBACK_PREFIX, this, server)
             .message(LiteBukkitMessages.PLAYER_NOT_FOUND, pluginConfig.messagesSettings.playerNotFound)
             .message(LiteBukkitMessages.PLAYER_ONLY, pluginConfig.messagesSettings.admin.onlyForPlayers)
@@ -214,6 +219,8 @@ public void onEnable() {
 
         new KnockbackMountController(noticeService, this.regionProvider, this.fightManager).register(this);
 
+        new SpearLungeController(this, fightManager, spearService, pluginConfig.spear, noticeService);
+
         eventManager.subscribe(
             PlayerDeathEvent.class,
             pluginConfig.drop.dropEventPriority,

eternalcombat-plugin/src/main/java/com/eternalcode/combat/config/implementation/PluginConfig.java

@@ -6,6 +6,7 @@
 import com.eternalcode.combat.fight.effect.FightEffectSettings;
 import com.eternalcode.combat.fight.knockback.KnockbackSettings;
 import com.eternalcode.combat.fight.pearl.PearlSettings;
+import com.eternalcode.combat.fight.spear.SpearSettings;
 import com.eternalcode.combat.fight.trident.TridentSettings;
 import eu.okaeri.configs.OkaeriConfig;
 import eu.okaeri.configs.annotation.Comment;
@@ -44,6 +45,13 @@ public class PluginConfig extends OkaeriConfig {
     })
     public TridentSettings trident = new TridentSettings();
 
+    @Comment({
+        " ",
+        "# Settings related to Spears with lunge",
+        "# Set cooldown for spear lunging"
+    })
+    public SpearSettings spear = new SpearSettings();
+
     @Comment({
         " ",
         "# Custom effects applied during combat.",

eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/spear/SpearLungeController.java

@@ -0,0 +1,85 @@
+package com.eternalcode.combat.fight.spear;
+
+import com.eternalcode.combat.fight.FightManager;
+import com.eternalcode.combat.notification.NoticeService;
+import com.eternalcode.combat.util.DurationUtil;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.plugin.Plugin;
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.util.UUID;
+
+public class SpearLungeController implements Listener {
+
+    private final SpearService spearService;
+
+    public SpearLungeController(Plugin plugin, FightManager fightManager, SpearService spearService, SpearSettings settings, NoticeService noticeService) {
+        this.spearService = spearService;
+
+        try {
+            Class<? extends Event> lungeEventClass = Class.forName("io.papermc.paper.event.entity.EntityLungeEvent").asSubclass(Event.class);
+            MethodHandles.Lookup lookup = MethodHandles.lookup();
+
+            MethodHandle getEntityHandle = lookup.findVirtual(lungeEventClass, "getEntity", MethodType.methodType(Entity.class));
+            MethodHandle setCancelledHandle = lookup.findVirtual(lungeEventClass, "setCancelled", MethodType.methodType(void.class, boolean.class));
+
+            Bukkit.getPluginManager().registerEvent(
+                lungeEventClass,
+                this,
+                EventPriority.NORMAL,
+                (listener, event) -> {
+                    if (!settings.lungeCooldown || !lungeEventClass.isInstance(event)) {
+                        return;
+                    }
+
+                    try {
+                        Entity entity = (Entity) getEntityHandle.invoke(event);
+
+                        if (!(entity instanceof Player player)) {
+                            return;
+                        }
+
+                        UUID uuid = player.getUniqueId();
+
+                        if (settings.onlyForFight && !fightManager.isInCombat(uuid)) {
+                            return;
+                        }
+
+                        if (this.spearService.isOnCooldown(uuid)) {
+                            setCancelledHandle.invoke(event, true);
+
+                            noticeService.create()
+                                .player(uuid)
+                                .notice(settings.lungeOnCooldown)
+                                .placeholder("{TIME}", DurationUtil.format(spearService.getRemainingCooldown(uuid), !settings.useMillis))
+                                .send();
+                        } else {
+                            spearService.saveCooldown(uuid);
+                        }
+                    } catch (Throwable e) {
+                        plugin.getLogger().warning("Failed to handle EntityLungeEvent: " + e.getMessage());
+                    }
+                },
+                plugin
+            );
+        } catch (ClassNotFoundException e) {
+            // Silently ignore: Server version is too old to have EntityLungeEvent
+        } catch (Throwable e) {
+            plugin.getLogger().warning("Failed to hook EntityLungeEvent: " + e.getMessage());
+        }
+    }
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        this.spearService.removeCooldown(event.getPlayer().getUniqueId());
+    }
+}

eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/spear/SpearServiceImpl.java

@@ -0,0 +1,49 @@
+package com.eternalcode.combat.fight.spear;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class SpearServiceImpl implements SpearService {
+
+    private final SpearSettings settings;
+    private final Map<UUID, Instant> cooldowns = new ConcurrentHashMap<>();
+
+    public SpearServiceImpl(SpearSettings settings) {
+        this.settings = settings;
+    }
+
+    @Override
+    public boolean isOnCooldown(UUID uuid) {
+        return !this.getRemainingCooldown(uuid).isZero();
+    }
+
+    @Override
+    public void saveCooldown(UUID uuid) {
+        this.cooldowns.put(uuid, Instant.now().plus(this.settings.lungeCooldownDuration));
+    }
+
+    @Override
+    public Duration getRemainingCooldown(UUID uuid) {
+        Instant expiration = this.cooldowns.get(uuid);
+
+        if (expiration == null) {
+            return Duration.ZERO;
+        }
+
+        Instant now = Instant.now();
+        if (now.isAfter(expiration)) {
+            this.cooldowns.remove(uuid);
+            return Duration.ZERO;
+        }
+
+        return Duration.between(now, expiration);
+    }
+
+    @Override
+    public void removeCooldown(UUID uuid) {
+        this.cooldowns.remove(uuid);
+    }
+}

eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/spear/SpearSettings.java

@@ -0,0 +1,29 @@
+package com.eternalcode.combat.fight.spear;
+
+import com.eternalcode.multification.notice.Notice;
+import eu.okaeri.configs.OkaeriConfig;
+import eu.okaeri.configs.annotation.Comment;
+import java.time.Duration;
+
+public class SpearSettings extends OkaeriConfig {
+
+    @Comment("# Should spears have lunge cooldown or delay between uses? True for cooldown, False for vanilla mechanics")
+    public boolean lungeCooldown = false;
+
+    @Comment("# Should cooldown be applied only during fights")
+    public boolean onlyForFight = true;
+
+    @Comment("# Duration of cooldown")
+    public Duration lungeCooldownDuration = Duration.ofSeconds(5);
+
+    @Comment("# Should milliseconds be used for last second of cooldown for more precise time")
+    public boolean useMillis = true;
+
+    @Comment({
+            "# Notice sent to the players that try to use spears before cooldown ends.",
+            "# Placeholder: {TIME} - time left of cooldown"
+    })
+    public Notice lungeOnCooldown = Notice.builder().actionBar("<dark_red>Spear cannot be used for next <red>{TIME}</red></dark_red>")
+        .build();
+
+}