Implement character emblem locking/reforging

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

@@ -0,0 +1,44 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.CharGemRefresh.CharGemRefreshReq;
+import emu.nebula.proto.CharGemRefresh.CharGemRefreshResp;
+import emu.nebula.net.HandlerId;
+import emu.nebula.game.character.CharacterGem;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.char_gem_refresh_req)
+public class HandlerCharGemRefreshReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Parse request
+        var req = CharGemRefreshReq.parseFrom(message);
+        
+        // Get character
+        var character = session.getPlayer().getCharacters().getCharacterById(req.getCharId());
+        
+        if (character == null) {
+            return session.encodeMsg(NetMsgId.char_gem_refresh_failed_ack);
+        }
+        
+        // Refresh gem attributes
+        var change = character.refreshGem(req.getSlotId(), req.getGemIndex(), req.getLockAttrs());
+        
+        if (change == null) {
+            return session.encodeMsg(NetMsgId.char_gem_refresh_failed_ack);
+        }
+        
+        var gem = (CharacterGem) change.getExtraData();
+        
+        // Build response
+        var rsp = CharGemRefreshResp.newInstance()
+                .setChangeInfo(change.toProto())
+                .addAllAttributes(gem.getAlterAttributes());
+        
+        // Encode and send
+        return session.encodeMsg(NetMsgId.char_gem_refresh_succeed_ack, rsp);
+    }
+
+}