added combat events

src/main/java/eu/endermite/togglepvp/TogglePvp.java

@@ -8,7 +8,6 @@ import eu.endermite.togglepvp.util.Listener;
 import eu.endermite.togglepvp.util.DatabaseSQLite;
 import lombok.Getter;
 import org.bstats.bukkit.Metrics;
-import org.bstats.charts.CustomChart;
 import org.bukkit.command.CommandSender;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.reflections.Reflections;

src/main/java/eu/endermite/togglepvp/api/TogglePvpAPI.java

@@ -74,6 +74,24 @@ public class TogglePvpAPI {
         return TogglePvp.getPlugin().getPlayerManager().hasLoginProtection(uuid);
     }
 
+    /**
+     * Checks if player has teleport protection.
+     * @param player Player to check
+     * @return True if player has teleport protection, false if not
+     */
+    public static boolean hasTeleportProtection(Player player) {
+        return TogglePvp.getPlugin().getPlayerManager().hasLoginProtection(player.getUniqueId());
+    }
+
+    /**
+     * Checks if player has teleport protection.
+     * @param uuid UUID of player to check
+     * @return True if player has teleport protection, false if not
+     */
+    public static boolean hasTeleportProtection(UUID uuid) {
+        return TogglePvp.getPlugin().getPlayerManager().hasLoginProtection(uuid);
+    }
+
     /**
      * Checks if player has login protection.
      * @param player Player to check

src/main/java/eu/endermite/togglepvp/api/event/PlayerEnterCombatEvent.java

@@ -0,0 +1,48 @@
+package eu.endermite.togglepvp.api.event;
+
+import eu.endermite.togglepvp.TogglePvp;
+import eu.endermite.togglepvp.players.PlayerData;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Fired when player enters combat.
+ */
+public class PlayerEnterCombatEvent extends Event implements Cancellable {
+
+    private static final HandlerList HANDLERS = new HandlerList();
+    private final Player player;
+    private boolean cancelled;
+
+    public PlayerEnterCombatEvent(Player player) {
+        this.player = player;
+        this.cancelled = false;
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+
+    public PlayerData getPlayerData() {
+        return TogglePvp.getPlugin().getPlayerManager().getPlayer(player.getUniqueId());
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancel) {
+        cancelled = cancel;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLERS;
+    }
+}

src/main/java/eu/endermite/togglepvp/api/event/PlayerLeaveCombatEvent.java

@@ -0,0 +1,48 @@
+package eu.endermite.togglepvp.api.event;
+
+import eu.endermite.togglepvp.TogglePvp;
+import eu.endermite.togglepvp.players.PlayerData;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Fired when player leaves combat. If cancelled, it will refresh combat timer to the value set in the config.
+ */
+public class PlayerLeaveCombatEvent extends Event implements Cancellable {
+
+    private static final HandlerList HANDLERS = new HandlerList();
+    private final Player player;
+    private boolean cancelled;
+
+    public PlayerLeaveCombatEvent(Player player) {
+        this.player = player;
+        this.cancelled = false;
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+
+    public PlayerData getPlayerData() {
+        return TogglePvp.getPlugin().getPlayerManager().getPlayer(player.getUniqueId());
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancel) {
+        cancelled = cancel;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLERS;
+    }
+}

src/main/java/eu/endermite/togglepvp/players/PlayerData.java

@@ -6,17 +6,15 @@ import java.time.Instant;
 
 public class PlayerData {
 
-    private long cachetime, combattime;
-    private boolean pvpEnabled;
-    private boolean lastCombatCheck;
-    private long loginTimestamp;
-    private long teleportTimestamp;
+    private long cachetime, combattime, loginTimestamp, teleportTimestamp;
+    private boolean pvpEnabled, lastCombatCheck, inCombat;
 
     public PlayerData(boolean pvpEnabled) {
         this.pvpEnabled = pvpEnabled;
         this.combattime = Instant.now().getEpochSecond()-1;
         this.loginTimestamp = Instant.now().getEpochSecond()-1;
         this.teleportTimestamp = Instant.now().getEpochSecond()-1;
+        this.inCombat = false;
         refreshCachetime();
     }
 
@@ -71,4 +69,12 @@ public class PlayerData {
     public long getTeleportTimestamp() {
         return teleportTimestamp;
     }
+
+    public boolean isInCombat() {
+        return inCombat;
+    }
+
+    public void setInCombat(boolean inCombat) {
+        this.inCombat = inCombat;
+    }
 }

src/main/java/eu/endermite/togglepvp/players/PlayerManager.java

@@ -1,6 +1,7 @@
 package eu.endermite.togglepvp.players;
 
 import eu.endermite.togglepvp.TogglePvp;
+import eu.endermite.togglepvp.api.event.PlayerLeaveCombatEvent;
 import eu.endermite.togglepvp.config.ConfigCache;
 import eu.endermite.togglepvp.util.CombatTimer;
 import eu.endermite.togglepvp.util.PluginMessages;
@@ -29,10 +30,20 @@ public class PlayerManager {
         combatTrackerTask = Bukkit.getScheduler().runTaskTimerAsynchronously(TogglePvp.getPlugin(), () -> {
             for (Map.Entry<UUID, PlayerData> set : playerList.entrySet()) {
                 UUID uuid = set.getKey();
+                PlayerData playerData = set.getValue();
                 if (!CombatTimer.isInCombat(uuid)) {
-                    if (set.getValue().getLastCombatCheck()) {
-                        set.getValue().setLastCombatCheck(false);
-                        PluginMessages.sendActionBar(uuid, TogglePvp.getPlugin().getConfigCache().getLeaving_combat());
+                    if (playerData.getLastCombatCheck()) {
+                        PlayerLeaveCombatEvent playerLeaveCombatEvent = new PlayerLeaveCombatEvent(Bukkit.getPlayer(uuid));
+                        Bukkit.getPluginManager().callEvent(playerLeaveCombatEvent);
+
+                        if (playerLeaveCombatEvent.isCancelled()) {
+                            playerData.refreshCombatTime();
+                            return;
+                        } else {
+                            playerData.setLastCombatCheck(false);
+                            playerData.setInCombat(false);
+                            PluginMessages.sendActionBar(uuid, TogglePvp.getPlugin().getConfigCache().getLeaving_combat());
+                        }
                     }
                 } else {
                     set.getValue().setLastCombatCheck(true);
@@ -47,7 +58,11 @@ public class PlayerManager {
 
     public void refreshPlayersCombatTime(UUID uuid) {
         try {
-            playerList.get(uuid).refreshCombatTime();
+            PlayerData data = playerList.get(uuid);
+            if (data == null)
+                return;
+            data.refreshCombatTime();
+            data.setInCombat(true);
         } catch (Exception ignored) {
         }
     }

src/main/java/eu/endermite/togglepvp/util/CombatTimer.java

@@ -1,6 +1,10 @@
 package eu.endermite.togglepvp.util;
 
 import eu.endermite.togglepvp.TogglePvp;
+import eu.endermite.togglepvp.api.event.PlayerEnterCombatEvent;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+
 import java.time.Instant;
 import java.util.UUID;
 
@@ -11,9 +15,15 @@ public class CombatTimer {
             long now = Instant.now().getEpochSecond();
             long combattime = TogglePvp.getPlugin().getSmartCache().getPlayerData(uuid).getCombattime();
             if (combattime < now) {
+                Player player = Bukkit.getPlayer(uuid);
+                PlayerEnterCombatEvent playerEnterCombatEvent = new PlayerEnterCombatEvent(player);
+                Bukkit.getPluginManager().callEvent(playerEnterCombatEvent);
+                if (playerEnterCombatEvent.isCancelled())
+                    return;
+
+                TogglePvp.getPlugin().getPlayerManager().refreshPlayersCombatTime(uuid);
                 PluginMessages.sendActionBar(uuid, TogglePvp.getPlugin().getConfigCache().getEntering_combat());
             }
-            TogglePvp.getPlugin().getPlayerManager().refreshPlayersCombatTime(uuid);
         } catch (Exception ignored) {}
     }
 
@@ -24,9 +34,7 @@ public class CombatTimer {
 
     public static boolean isInCombat(UUID uuid) {
         try {
-            long combattimer = TogglePvp.getPlugin().getPlayerManager().getPlayer(uuid).getCombattime();
-            long now = Instant.now().getEpochSecond();
-            return combattimer > now;
+            return TogglePvp.getPlugin().getPlayerManager().getPlayer(uuid).isInCombat();
         } catch (Exception e) {
             return false;
         }