Implement potential selector in monoliths

src/main/java/emu/nebula/server/handlers/HandlerStarTowerBuildWhetherSaveReq.java

@@ -0,0 +1,20 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.StarTowerBuildWhetherSave.StarTowerBuildWhetherSaveReq;
+import emu.nebula.net.HandlerId;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.star_tower_build_whether_save_req)
+public class HandlerStarTowerBuildWhetherSaveReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        var req = StarTowerBuildWhetherSaveReq.parseFrom(message);
+        
+        // TODO
+        return this.encodeMsg(NetMsgId.star_tower_build_whether_save_succeed_ack);
+    }
+
+}

src/main/java/emu/nebula/server/handlers/HandlerStarTowerGiveUpReq.java

@@ -0,0 +1,30 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.StarTowerGiveUp.StarTowerGiveUpResp;
+import emu.nebula.net.HandlerId;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.star_tower_give_up_req)
+public class HandlerStarTowerGiveUpReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        var instance = session.getPlayer().getStarTowerManager().giveUp();
+        
+        if (instance == null) {
+            return this.encodeMsg(NetMsgId.star_tower_give_up_failed_ack);
+        }
+        
+        // Build response
+        var rsp = StarTowerGiveUpResp.newInstance()
+                .setFloor(instance.getFloor());
+        
+        rsp.getMutableChange();
+        rsp.setBuild(instance.getBuild().toProto());
+        
+        return this.encodeMsg(NetMsgId.star_tower_give_up_succeed_ack, rsp);
+    }
+
+}