Implement sweeps

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

@@ -0,0 +1,60 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.CharGemInstanceSweep.CharGemInstanceSweepReq;
+import emu.nebula.proto.CharGemInstanceSweep.CharGemInstanceSweepResp;
+import emu.nebula.proto.CharGemInstanceSweep.CharGemInstanceSweepReward;
+import emu.nebula.net.HandlerId;
+import emu.nebula.data.GameData;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.char_gem_instance_sweep_req)
+public class HandlerCharGemInstanceSweepReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Parse request
+        var req = CharGemInstanceSweepReq.parseFrom(message);
+        
+        // Get instance data
+        var data = GameData.getCharGemInstanceDataTable().get(req.getId());
+        if (data == null) {
+            return session.encodeMsg(NetMsgId.char_gem_instance_sweep_failed_ack);
+        }
+        
+        // Sweep
+        var change = session.getPlayer().getInstanceManager().sweepInstance(
+                data,
+                session.getPlayer().getInstanceManager().getCharGemLog(),
+                0,
+                req.getTimes()
+        );
+        
+        // Sanity check
+        if (change == null) {
+            return session.encodeMsg(NetMsgId.char_gem_instance_sweep_failed_ack);
+        }
+        
+        // Build response
+        var rsp = CharGemInstanceSweepResp.newInstance()
+                .setChange(change.toProto());
+        
+        // Cache reward list
+        var rewardList = data.getRewards().toItemTemplateStream().toList();
+        
+        // Add rewards
+        for (int i = 0; i < req.getTimes(); i++) {
+            var reward = CharGemInstanceSweepReward.newInstance()
+                    .setExp(data.getEnergyConsume());
+            
+            rewardList.forEach(reward::addAwardItems);
+            
+            rsp.addRewards(reward);
+        }
+        
+        // Send response
+        return session.encodeMsg(NetMsgId.char_gem_instance_sweep_succeed_ack, rsp);
+    }
+
+}