Divide modern and beta-safe event handling to avoid class not found errors. Fix compatibility with Poseidon.

src/b1_7_3/java/io/github/adrianvic/nemesiseye/impl/v1_7_3/b1_7_3.java

@@ -5,6 +5,8 @@ import io.github.adrianvic.nemesiseye.impl.v1_7_3.commands.Eye;
 import io.github.adrianvic.nemesiseye.impl.v1_7_3.events.BlockEventListener;
 import io.github.adrianvic.nemesiseye.impl.v1_7_3.events.EntityEventListener;
 import io.github.adrianvic.nemesiseye.impl.v1_7_3.events.PlayerEventListener;
+import io.github.adrianvic.nemesiseye.policy.Action;
+import io.github.adrianvic.nemesiseye.policy.NodeHandler;
 import io.github.adrianvic.nemesiseye.policy.Policy;
 import io.github.adrianvic.nemesiseye.policy.PolicyParsers;
 import io.github.adrianvic.nemesiseye.reflection.Glimmer;
@@ -19,6 +21,7 @@ import org.bukkit.plugin.java.JavaPlugin;
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -67,6 +70,7 @@ public class b1_7_3 implements Glimmer {
         pm = Nemesis.getInstance().getPluginManager();
         pm.registerEvent(Event.Type.ENTITY_DAMAGE, new EntityEventListener(), Event.Priority.Normal, plugin);
         pm.registerEvent(Event.Type.BLOCK_BREAK, new BlockEventListener(), Event.Priority.Normal, plugin);
+        pm.registerEvent(Event.Type.BLOCK_PLACE, new BlockEventListener(), Event.Priority.Normal, plugin);
         pm.registerEvent(Event.Type.PLAYER_INTERACT, new PlayerEventListener(), Event.Priority.Normal, plugin);
         plugin.getCommand("eye").setExecutor(new Eye());
     }
@@ -108,6 +112,11 @@ public class b1_7_3 implements Glimmer {
         return null;
     }
 
+    @Override
+    public Map<Action, NodeHandler> getExtraHandlers() {
+        return new HashMap<>();
+    }
+
     @Override
     public void sendMessage(CommandSender commandSender, String text) {
         String[] lines = text.split("\\r?\\n");

src/main/java/io/github/adrianvic/nemesiseye/Events.java

@@ -1,16 +1,12 @@
 package io.github.adrianvic.nemesiseye;
 
-import com.destroystokyo.paper.event.entity.EndermanAttackPlayerEvent;
 import io.github.adrianvic.nemesiseye.policy.Action;
 import io.github.adrianvic.nemesiseye.reflection.Glimmer;
-import org.bukkit.entity.HumanEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.block.BlockBreakEvent;
-import org.bukkit.event.block.BlockFormEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
-import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerMoveEvent;
 import org.bukkit.inventory.ItemStack;
@@ -82,28 +78,7 @@ public class Events {
         }
     }
 
-    public static void onInventoryClickEvent(InventoryClickEvent event) {
-        if (!g().isArmorEquipAttempt(event)) {
-            return;
-        }
-
-        HumanEntity entity = event.getWhoClicked();
-
-        if (!Validator.can(entity, Action.EQUIP, event)) {
-            event.setCancelled(true);
-        }
-    }
-
     public static void onCreatureSpawnEvent(CreatureSpawnEvent event) {
         event.setCancelled(!Validator.can(event.getEntity(), Action.SPAWN, event));
     }
-
-    public static void onEndermanAttackPlayerEvent(EndermanAttackPlayerEvent event) {
-        event.setCancelled(!Validator.can(event.getEntity(), Action.ENDERMAN_ATTACK_PLAYER, event));
-    }
-
-    public static void onBlockFormEvent(BlockFormEvent event) {
-        boolean canceled = !Validator.can(event.getBlock().getWorld(), Action.FORMBLOCK, event);
-        event.setCancelled(canceled);
-    }
 }

src/main/java/io/github/adrianvic/nemesiseye/ModernEvents.java

@@ -0,0 +1,32 @@
+package io.github.adrianvic.nemesiseye;
+
+import com.destroystokyo.paper.event.entity.EndermanAttackPlayerEvent;
+import io.github.adrianvic.nemesiseye.policy.Action;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.event.block.BlockFormEvent;
+import org.bukkit.event.inventory.InventoryClickEvent;
+
+public class ModernEvents {
+    public static void onInventoryClickEvent(InventoryClickEvent event) {
+        if (!Nemesis.getInstance().getGlimmer().isArmorEquipAttempt(event)) {
+            return;
+        }
+
+        HumanEntity entity = event.getWhoClicked();
+
+        if (!Validator.can(entity, Action.EQUIP, event)) {
+            event.setCancelled(true);
+        }
+    }
+
+    public static void onEndermanAttackPlayerEvent(EndermanAttackPlayerEvent event) {
+        if (!Validator.can(event.getEntity(), Action.ENDERMAN_ATTACK_PLAYER, event)) {
+            event.setCancelled(true);
+        }
+    }
+
+    public static void onBlockFormEvent(BlockFormEvent event) {
+        boolean canceled = !Validator.can(event.getBlock().getWorld(), Action.FORMBLOCK, event);
+        event.setCancelled(canceled);
+    }
+}

src/main/java/io/github/adrianvic/nemesiseye/Validator.java

@@ -41,6 +41,8 @@ public class Validator {
     }
 
     public static boolean can(World world, Action action, Event event) {
+        boolean allowed = true;
+
         for (GlobalPolicy policy : getGlobalPolicies()) {
             boolean matches = policy.matches(world, action, event);
 
@@ -51,10 +53,11 @@ public class Validator {
 
                 case DENY:
                     if (matches) return false;
+                    break;
             }
         }
 
-        return true;
+        return allowed;
     }
 
     public static List<GlobalPolicy> getGlobalPolicies() {

src/main/java/io/github/adrianvic/nemesiseye/policy/NodeHandlers.java

@@ -1,5 +1,6 @@
 package io.github.adrianvic.nemesiseye.policy;
 
+import io.github.adrianvic.nemesiseye.Nemesis;
 import io.github.adrianvic.nemesiseye.policy.handlers.*;
 import io.github.adrianvic.nemesiseye.policy.handlers.Boolean;
 
@@ -20,10 +21,15 @@ public class NodeHandlers {
         handlers.put(Action.BREAK, new UseItem()); // TODO: implement place handler
         handlers.put(Action.INTERACTWITH, new InteractWith());
         handlers.put(Action.ENDERMAN_ATTACK_PLAYER, new Boolean());
-        handlers.put(Action.FORMBLOCK, new FormBlock());
     }
 
     public static NodeHandler get(Action type) {
-        return handlers.get(type);
+        NodeHandler handler = handlers.get(type);
+
+        if (handler == null) {
+            handler = Nemesis.getInstance().getGlimmer().getExtraHandlers().get(type);
+        }
+
+        return handler;
     }
 }

src/main/java/io/github/adrianvic/nemesiseye/reflection/Glimmer.java

@@ -1,5 +1,7 @@
 package io.github.adrianvic.nemesiseye.reflection;
 
+import io.github.adrianvic.nemesiseye.policy.Action;
+import io.github.adrianvic.nemesiseye.policy.NodeHandler;
 import io.github.adrianvic.nemesiseye.policy.Policy;
 import org.bukkit.Location;
 import org.bukkit.World;
@@ -39,6 +41,9 @@ public interface Glimmer {
     boolean isArmorEquipAttempt(org.bukkit.event.Event event);
     ItemStack getEquippedItem(org.bukkit.event.Event event);
 
+    // Handlers
+    Map<Action, NodeHandler> getExtraHandlers();
+
     // Commands
     void sendMessage(CommandSender commandSender, String text);
 

src/r1_21/java/io/github/adrianvic/nemesiseye/impl/v1_21/EventListener.java

@@ -1,6 +1,7 @@
 package io.github.adrianvic.nemesiseye.impl.v1_21;
 
 import io.github.adrianvic.nemesiseye.Events;
+import io.github.adrianvic.nemesiseye.ModernEvents;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
@@ -9,7 +10,6 @@ import org.bukkit.event.block.BlockFormEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
-import org.bukkit.event.entity.EntitySpawnEvent;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerMoveEvent;
@@ -39,18 +39,18 @@ public class EventListener implements Listener {
     public void onPlayerMoveEvent(PlayerMoveEvent event) { Events.onPlayerMoveEvent(event); }
 
     @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
-    public void onInventoryClickEvent(InventoryClickEvent event) { Events.onInventoryClickEvent(event); }
+    public void onInventoryClickEvent(InventoryClickEvent event) { ModernEvents.onInventoryClickEvent(event); }
 
     @EventHandler
     public void onCreatureSpawnEvent(CreatureSpawnEvent event) { Events.onCreatureSpawnEvent(event); }
 
     @EventHandler
     public void onEndermanAttackPlayerEvent(com.destroystokyo.paper.event.entity.EndermanAttackPlayerEvent event) {
-        Events.onEndermanAttackPlayerEvent(event);
+        ModernEvents.onEndermanAttackPlayerEvent(event);
     }
 
     @EventHandler
     public void onBlockFormEvent(BlockFormEvent event) {
-        Events.onBlockFormEvent(event);
+        ModernEvents.onBlockFormEvent(event);
     }
 }

src/r1_21/java/io/github/adrianvic/nemesiseye/impl/v1_21/r1_21.java

@@ -3,8 +3,11 @@ package io.github.adrianvic.nemesiseye.impl.v1_21;
 import io.github.adrianvic.nemesiseye.DataShifter;
 import io.github.adrianvic.nemesiseye.Nemesis;
 import io.github.adrianvic.nemesiseye.impl.v1_21.commands.Eye;
+import io.github.adrianvic.nemesiseye.policy.Action;
+import io.github.adrianvic.nemesiseye.policy.NodeHandler;
 import io.github.adrianvic.nemesiseye.policy.Policy;
 import io.github.adrianvic.nemesiseye.policy.PolicyParsers;
+import io.github.adrianvic.nemesiseye.policy.handlers.FormBlock;
 import io.github.adrianvic.nemesiseye.reflection.Glimmer;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
@@ -17,6 +20,7 @@ import org.bukkit.plugin.PluginManager;
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -147,6 +151,13 @@ public class r1_21 implements Glimmer {
         return null;
     }
 
+    @Override
+    public Map<Action, NodeHandler> getExtraHandlers() {
+        Map<Action, NodeHandler> handlers = new HashMap<>();
+        handlers.put(Action.FORMBLOCK, new FormBlock());
+        return handlers;
+    }
+
     @Override
     public void sendMessage(CommandSender commandSender, String text) {
         commandSender.sendMessage(text);
@@ -182,6 +193,7 @@ public class r1_21 implements Glimmer {
         return false;
     }
 
+    @Override
     public boolean hasAnyEnchantment(ItemStack item) {
         return !(item.getItemMeta().getEnchants().isEmpty());
     }