Rework battles

src/main/java/emu/lunarcore/game/battle/Battle.java

@@ -1,15 +1,61 @@
 package emu.lunarcore.game.battle;
 
-import emu.lunarcore.game.player.Player;
+import java.util.ArrayList;
+import java.util.List;
 
+import emu.lunarcore.data.GameData;
+import emu.lunarcore.data.excel.StageExcel;
+import emu.lunarcore.game.avatar.GameAvatar;
+import emu.lunarcore.game.player.Player;
+import emu.lunarcore.game.player.PlayerLineup;
+import emu.lunarcore.game.scene.EntityMonster;
+import emu.lunarcore.proto.SceneBattleInfoOuterClass.SceneBattleInfo;
+import emu.lunarcore.proto.SceneMonsterOuterClass.SceneMonster;
+import emu.lunarcore.proto.SceneMonsterWaveOuterClass.SceneMonsterWave;
+import emu.lunarcore.util.Utils;
+import lombok.Getter;
+
+@Getter
 public class Battle {
     private final Player player;
+    private final PlayerLineup lineup;
+    private final List<EntityMonster> npcMonsters;
+    private StageExcel stage;
 
-    public Battle(Player player) {
+    public Battle(Player player, PlayerLineup lineup, StageExcel stage) {
         this.player = player;
+        this.lineup = lineup;
+        this.npcMonsters = new ArrayList<>();
+        this.stage = stage;
     }
     
-    public Player getPlayer() {
-        return player;
+    public SceneBattleInfo toProto() {
+        var wave = SceneMonsterWave.newInstance()
+                .setStageId(stage.getId());
+
+        int[] monsters = {101203002, 100202003, 100204007, 100205006};
+
+        for (int i = 0; i < 5; i++) {
+            var m = SceneMonster.newInstance()
+                    .setMonsterId(Utils.randomElement(monsters));
+
+            wave.addMonsterList(m);
+        }
+        
+        var proto = SceneBattleInfo.newInstance()
+                .setStageId(stage.getId())
+                .setLogicRandomSeed(Utils.randomRange(1, Short.MAX_VALUE))
+                .addMonsterWaveList(wave)
+                .setWorldLevel(player.getWorldLevel());
+        
+        // Avatars
+        for (int i = 0; i < lineup.getAvatars().size(); i++) {
+            GameAvatar avatar = getPlayer().getAvatarById(lineup.getAvatars().get(i));
+            if (avatar == null) continue;
+
+            proto.addBattleAvatarList(avatar.toBattleProto(i));
+        }
+        
+        return proto;
     }
 }

src/main/java/emu/lunarcore/game/battle/BattleService.java

@@ -1,8 +1,11 @@
 package emu.lunarcore.game.battle;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
+import java.util.Objects;
 
+import emu.lunarcore.data.GameData;
 import emu.lunarcore.game.avatar.GameAvatar;
 import emu.lunarcore.game.player.Player;
 import emu.lunarcore.game.scene.EntityMonster;
@@ -25,36 +28,71 @@ public class BattleService extends BaseGameService {
     }
 
     public void onBattleStart(Player player, int attackerId, RepeatedInt attackedList) {
-        // Setup variables
-        int entityId = attackedList.get(0);
-        GameEntity entity = null;
+        //
+        List<GameEntity> entities = new ArrayList<>();
+        List<EntityMonster> monsters = new ArrayList<>();
         
         // Check if attacker is the player or not
         if (player.getScene().getAvatarEntityIds().contains(attackerId)) {
-            entity = player.getScene().getEntities().get(entityId);
-        } else if (player.getScene().getAvatarEntityIds().contains(entityId)) {
-            entity = player.getScene().getEntities().get(attackerId);
-        }
+            // Attacker is the player
+            for (int entityId : attackedList) {
+                GameEntity entity = player.getScene().getEntities().get(entityId);
                 
-        if (entity != null) {
-            if (entity instanceof EntityMonster) {
-                player.sendPacket(new PacketSceneCastSkillScRsp(player, (EntityMonster) entity));
-                return;
-            } else if (entity instanceof EntityProp) {
-                player.sendPacket(new PacketSceneCastSkillScRsp(0));
-                return;
+                if (entity != null) {
+                    entities.add(entity);
+                }
+            }
+        } else {
+            // Player is ambushed
+            GameEntity entity = player.getScene().getEntities().get(attackerId);
+            
+            if (entity != null) {
+                entities.add(entity);
             }
         }
         
-        player.sendPacket(new PacketSceneCastSkillScRsp(1));
+        // Give the client an error if not attacked entities detected
+        if (entities.size() == 0) {
+            player.sendPacket(new PacketSceneCastSkillScRsp(1));
+            return;
+        }
+        
+        // Destroy props
+        var it = entities.iterator();
+        while (it.hasNext()) {
+            GameEntity entity = it.next();
+            
+            if (entity instanceof EntityMonster monster) {
+                monsters.add(monster);
+            } else if (entity instanceof EntityProp) {
+                it.remove();
+            }
+        }
+
+        // Start battle
+        if (monsters.size() > 0) {
+            // Create battle and add npc monsters to it
+            Battle battle = new Battle(player, player.getLineupManager().getCurrentLineup(), GameData.getStageExcelMap().get(1));
+            battle.getNpcMonsters().addAll(monsters);
+            // Set battle and send rsp packet
+            player.setBattle(battle);
+            player.sendPacket(new PacketSceneCastSkillScRsp(player, battle));
+            return;
+        }
+        
+        // Send packet
+        player.sendPacket(new PacketSceneCastSkillScRsp(0));
     }
 
     public void onBattleResult(Player player, BattleEndStatus result, RepeatedMessage<AvatarBattleInfo> battleAvatars) {
-        // Lose
-        if (result == BattleEndStatus.BATTLE_END_LOSE) {
-
+        // Sanity
+        if (!player.isInBattle()) {
+            return;
         }
         
+        // Get battle object
+        Battle battle = player.getBattle();
+        
         // Set health/energy
         for (var battleAvatar : battleAvatars) {
             GameAvatar avatar = player.getAvatarById(battleAvatar.getId());
@@ -70,7 +108,15 @@ public class BattleService extends BaseGameService {
         }
 
         // Sync with player
-        player.sendPacket(new PacketSyncLineupNotify(player.getLineupManager().getCurrentLineup()));
+        player.sendPacket(new PacketSyncLineupNotify(battle.getLineup()));
+        
+        // Delete enemies if the player won
+        if (result == BattleEndStatus.BATTLE_END_WIN) {
+
+        }
+        
+        // Done - Clear battle object from player
+        player.setBattle(null);
     }
 
 }

src/main/java/emu/lunarcore/game/player/Player.java

@@ -14,6 +14,7 @@ import emu.lunarcore.data.excel.MapEntranceExcel;
 import emu.lunarcore.game.account.Account;
 import emu.lunarcore.game.avatar.AvatarStorage;
 import emu.lunarcore.game.avatar.GameAvatar;
+import emu.lunarcore.game.battle.Battle;
 import emu.lunarcore.game.gacha.PlayerGachaInfo;
 import emu.lunarcore.game.inventory.Inventory;
 import emu.lunarcore.game.scene.Scene;
@@ -48,6 +49,7 @@ public class Player {
     private int hcoin; // Jade
     private int mcoin; // Crystals
 
+    private transient Battle battle;
     private transient Scene scene;
     private Position pos;
     private int planeId;
@@ -207,6 +209,14 @@ public class Player {
         return this.exp - GameData.getPlayerExpRequired(this.level);
     }
     
+    public boolean isInBattle() {
+        return this.battle != null;
+    }
+    
+    public void setBattle(Battle battle) {
+        this.battle = battle;
+    }
+    
     public void enterScene(int entryId, int teleportId) {
         // Get map entrance excel
         MapEntranceExcel entry = GameData.getMapEntranceExcelMap().get(entryId);

src/main/java/emu/lunarcore/server/packet/send/PacketSceneCastSkillScRsp.java

@@ -1,6 +1,7 @@
 package emu.lunarcore.server.packet.send;
 
 import emu.lunarcore.game.avatar.GameAvatar;
+import emu.lunarcore.game.battle.Battle;
 import emu.lunarcore.game.player.PlayerLineup;
 import emu.lunarcore.game.player.Player;
 import emu.lunarcore.game.scene.EntityMonster;
@@ -28,40 +29,13 @@ public class PacketSceneCastSkillScRsp extends BasePacket {
     }
 
     // TODO
-    public PacketSceneCastSkillScRsp(Player player, EntityMonster monster) {
+    public PacketSceneCastSkillScRsp(Player player, Battle battle) {
         super(CmdId.SceneCastSkillScRsp);
 
-        var wave = SceneMonsterWave.newInstance()
-                .setStageId(monster.getStage().getId());
-
-        int[] monsters = {101203002, 100202003, 100204007, 100205006};
-
-        for (int i = 0; i < 5; i++) {
-            var m = SceneMonster.newInstance()
-                    .setMonsterId(Utils.randomElement(monsters));
-
-            wave.addMonsterList(m);
-        }
-
-        var battle = SceneBattleInfo.newInstance()
-                .setStageId(monster.getStage().getId())
-                .setLogicRandomSeed(Utils.randomRange(1, Short.MAX_VALUE))
-                .addMonsterWaveList(wave)
-                .setWorldLevel(player.getWorldLevel());
-
-        // Avatars
-        PlayerLineup lineup = player.getLineupManager().getCurrentLineup();
-        for (int i = 0; i < lineup.getAvatars().size(); i++) {
-            GameAvatar avatar = player.getAvatarById(lineup.getAvatars().get(i));
-            if (avatar == null) continue;
-
-            battle.addBattleAvatarList(avatar.toBattleProto(i));
-        }
-
         // Build data
         var data = SceneCastSkillScRsp.newInstance()
-                .setAttackedGroupId(monster.getGroupId())
-                .setBattleInfo(battle);
+                //.setAttackedGroupId(monster.getGroupId())
+                .setBattleInfo(battle.toProto());
 
         this.setData(data);
     }