Add networked Fighter3D minigame

2026-08-10 16:47:16 +08:00
parent bff617091d
commit ef7f24738e
53 changed files with 5458 additions and 19 deletions
@@ -0,0 +1,102 @@
+using System.Collections.Generic;
+using System.Text;
+using Fighter3D.Core;
+using XWorld.Framework;
+using XWorld.Framework.Protocol;
+
+namespace Fighter3D.Server
+{
+    public sealed class FighterServerRoom : IGameServerRoom
+    {
+        public const ushort InputOpcode = 1;
+        public const ushort SnapshotOpcode = 100;
+
+        private readonly FighterLogic _logic = new FighterLogic();
+        private readonly Dictionary<int, int> _seatOfPlayer = new Dictionary<int, int>();
+        private readonly int[] _playerOfSeat = new int[2];
+        private IRoomCtx _ctx;
+        private FighterState _state;
+        private bool _ended;
+
+        public void OnRoomStart(IReadOnlyList<PlayerInfo> players, IRoomCtx ctx)
+        {
+            _ctx = ctx;
+            _state = _logic.CreateInitial(
+                new RoomConfig { GameId = "fighter3d", Version = 1, Seed = 1, PlayerCount = players.Count },
+                ctx.Random);
+
+            for (int i = 0; i < players.Count && i < 2; i++)
+            {
+                _seatOfPlayer[players[i].PlayerId] = i;
+                _playerOfSeat[i] = players[i].PlayerId;
+            }
+
+            Broadcast();
+        }
+
+        public void OnMessage(int playerId, NetMessage message)
+        {
+            if (_ended || message.Opcode != InputOpcode)
+                return;
+
+            if (!_seatOfPlayer.TryGetValue(playerId, out int seat))
+                return;
+
+            try
+            {
+                var reader = new PacketReader(message.Payload);
+                int axis = reader.ReadVarInt();
+                var buttons = (FighterButtons)reader.ReadByte();
+                _state = _logic.Step(_state, FighterInput.Controls(seat, axis, buttons), _ctx.Random).State;
+            }
+            catch (System.Exception ex)
+            {
+                _ctx.Logger.Error($"fighter3d input decode failed: {ex.Message}");
+            }
+        }
+
+        public void OnTick(float deltaTime)
+        {
+            if (_ended)
+                return;
+
+            var result = _logic.Step(_state, FighterInput.Tick(deltaTime), _ctx.Random);
+            _state = result.State;
+            Broadcast();
+
+            if (_state.Phase == FighterPhase.Finished)
+                EndRoomOnce();
+        }
+
+        public void OnRoomEnd()
+        {
+            _ctx?.Logger.Info("fighter3d room end");
+        }
+
+        private void Broadcast()
+        {
+            _ctx.Broadcast(new NetMessage(SnapshotOpcode, _logic.Encode(_state)));
+        }
+
+        private void EndRoomOnce()
+        {
+            if (_ended)
+                return;
+
+            _ended = true;
+            int winnerPid = _state.WinnerSeat >= 0 && _state.WinnerSeat < 2
+                ? _playerOfSeat[_state.WinnerSeat]
+                : 0;
+
+            string text = _state.WinnerSeat == 2
+                ? "Fighter3D draw"
+                : $"Fighter3D winner seat {_state.WinnerSeat}";
+
+            _ctx.EndRoom(new RoomEndResult
+            {
+                WinnerPlayerId = winnerPid,
+                ResultBlob = Encoding.UTF8.GetBytes(text)
+            });
+        }
+    }
+}