fix a few bugs

src/main/java/me/youhavetrouble/preventstabby/api/PreventStabbyAPI.java

@@ -65,6 +65,26 @@ public class PreventStabbyAPI {
         return PreventStabby.getPlugin().getPlayerManager().canDamage(attacker.getUniqueId(), victim.getUniqueId(), sendDenyMessage);
     }
 
+    /**
+     * Checks if player can be damaged by another. Providing UUID of entity other than player may result in exceptions
+     * @param attackerUuid Attacker's UUID
+     * @param victimUuid Victim's UUID
+     * @return True if victim can be attacked by attacker, false if not
+     */
+    public static boolean canDamage(UUID attackerUuid, UUID victimUuid) {
+        return  PreventStabby.getPlugin().getPlayerManager().canDamage(attackerUuid, victimUuid, false);
+    }
+
+    /**
+     * Checks if player can be damaged by another.
+     * @param attacker Attacker
+     * @param victim Victim
+     * @return True if victim can be attacked by attacker, false if not
+     */
+    public static boolean canDamage(Player attacker, Player victim) {
+        return PreventStabby.getPlugin().getPlayerManager().canDamage(attacker.getUniqueId(), victim.getUniqueId(), false);
+    }
+
     /**
      * Checks if player has login protection.
      * @param uuid UUID of player to check

src/main/java/me/youhavetrouble/preventstabby/config/ConfigCache.java

@@ -115,7 +115,7 @@ public class ConfigCache {
         if (block_commands_in_combat) {
             this.combatBlockedCommands.addAll(config.getStringList("settings.block_in_combat.block_commands.commands"));
         }
-        this.block_teleports_in_combat = config.getBoolean("settings.block_in_combat.block_teleports", true);
+        this.block_teleports_in_combat = config.getBoolean("settings.block_in_combat.block_teleports", false);
 
         this.cache_time = config.getLong("settings.cache_time", 30L);
 

src/main/java/me/youhavetrouble/preventstabby/listeners/pets/PetTargettingPlayerListener.java

@@ -20,16 +20,16 @@ public class PetTargettingPlayerListener implements Listener {
     public void onPetTargetPlayer(org.bukkit.event.entity.EntityTargetEvent event) {
         if (!(event.getEntity() instanceof Tameable)) return;
         Tameable entity = (Tameable) event.getEntity();
-        if (entity.getOwner() == null) return;
+        if (!(entity.getOwner() instanceof Player)) return;
+        if (!(entity.getTarget() instanceof Player)) return;
 
-        if (event.getTarget() instanceof Player) {
-            UUID damager = entity.getOwner().getUniqueId();
-            UUID victim = event.getTarget().getUniqueId();
+        UUID damager = entity.getOwner().getUniqueId();
+        UUID victim = event.getTarget().getUniqueId();
+
+        if (PreventStabby.getPlugin().getPlayerManager().canDamage(damager, victim, true, false))
+            CombatTimer.refreshPlayersCombatTime(damager, victim);
+        else
+            event.setCancelled(true);
 
-            if (PreventStabby.getPlugin().getPlayerManager().canDamage(damager, victim, true, false))
-                CombatTimer.refreshPlayersCombatTime(damager, victim);
-            else
-                event.setCancelled(true);
-        }
     }
 }

src/main/java/me/youhavetrouble/preventstabby/players/PlayerManager.java

@@ -12,14 +12,13 @@ import org.bukkit.entity.Player;
 import org.bukkit.scheduler.BukkitTask;
 
 import java.time.Instant;
-import java.util.HashMap;
-import java.util.Iterator;
 import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
 
 public class PlayerManager {
 
     @Getter
-    HashMap<UUID, PlayerData> playerList = new HashMap<>();
+    ConcurrentHashMap<UUID, PlayerData> playerList = new ConcurrentHashMap<>();
 
     public final BukkitTask combatTrackerTask;
 
@@ -30,9 +29,7 @@ public class PlayerManager {
         }
 
         combatTrackerTask = Bukkit.getScheduler().runTaskTimerAsynchronously(PreventStabby.getPlugin(), () -> {
-            Iterator<PlayerData> iterator = playerList.values().iterator();
-            while (iterator.hasNext()) {
-                PlayerData playerData = iterator.next();
+            for (PlayerData playerData : playerList.values()) {
                 UUID uuid = playerData.getPlayerUuid();
                 if (!CombatTimer.isInCombat(uuid)) {
                     if (playerData.getLastCombatCheck()) {
@@ -119,7 +116,8 @@ public class PlayerManager {
 
         if (!smartCache.getPlayerData(attacker).isPvpEnabled()) {
             Player attackerPlayer = Bukkit.getPlayer(attacker);
-            if (PreventStabby.worldGuardHookEnabled() && WorldGuardHook.isPlayerForcedToPvp(attackerPlayer)) return true;
+            if (PreventStabby.worldGuardHookEnabled() && attackerPlayer != null && WorldGuardHook.isPlayerForcedToPvp(attackerPlayer))
+                return true;
 
             if (sendDenyMessage) {
                 ConfigCache config = PreventStabby.getPlugin().getConfigCache();
@@ -129,7 +127,8 @@ public class PlayerManager {
         }
         if (!smartCache.getPlayerData(victim).isPvpEnabled()) {
             Player victimPlayer = Bukkit.getPlayer(victim);
-            if (PreventStabby.worldGuardHookEnabled() && WorldGuardHook.isPlayerForcedToPvp(victimPlayer)) return true;
+            if (PreventStabby.worldGuardHookEnabled() && victimPlayer != null && WorldGuardHook.isPlayerForcedToPvp(victimPlayer))
+                return true;
 
             if (sendDenyMessage) {
                 ConfigCache config = PreventStabby.getPlugin().getConfigCache();

src/main/java/me/youhavetrouble/preventstabby/util/PluginMessages.java

@@ -18,16 +18,18 @@ public class PluginMessages {
     }
 
     public static void sendMessage(Player player, String message) {
-        String parsedMessage = message;
         if (PreventStabby.getPlugin().getServer().getPluginManager().getPlugin("PlaceholderAPI") != null) {
-            parsedMessage = PlaceholderAPI.setPlaceholders(player, parsedMessage);
+            message = PlaceholderAPI.setPlaceholders(player, message);
         }
-        parsedMessage = ChatColor.translateAlternateColorCodes('&', parsedMessage);
-        player.sendMessage(parsedMessage);
+        message = ChatColor.translateAlternateColorCodes('&', message);
+        player.sendMessage(message);
     }
 
     public static void sendActionBar(Player player, String message) {
         // TODO use adventure
+        if (PreventStabby.getPlugin().getServer().getPluginManager().getPlugin("PlaceholderAPI") != null) {
+            message = PlaceholderAPI.setPlaceholders(player, message);
+        }
         BaseComponent[] component = TextComponent.fromLegacyText(parseMessage(message));
         player.spigot().sendMessage(ChatMessageType.ACTION_BAR, component);
     }
@@ -45,6 +47,9 @@ public class PluginMessages {
 
     public static void broadcastMessage(Player player, String message) {
         message = parsePlayerName(player, message);
+        if (PreventStabby.getPlugin().getServer().getPluginManager().getPlugin("PlaceholderAPI") != null) {
+            message = PlaceholderAPI.setPlaceholders(player, message);
+        }
         message = parseMessage(message);
         BaseComponent[] component = TextComponent.fromLegacyText(parseMessage(message));
         Bukkit.spigot().broadcast(component);