Initial import

Assets/Scripts/NetCode/GoInGameServerSystem.cs

@@ -0,0 +1,77 @@
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Entities;
+using Unity.NetCode;
+using EE2Clone.Components;
+using EE2Clone.Core;
+
+namespace EE2Clone.NetCode
+{
+    /// <summary>
+    /// Server-side system: processes GoInGameRequest RPCs, marks connections as in-game,
+    /// and creates a PlayerState entity for each connecting player.
+    /// </summary>
+    [BurstCompile]
+    [WorldSystemFilter(WorldSystemFilterFlags.ServerSimulation)]
+    public partial struct GoInGameServerSystem : ISystem
+    {
+        private int _nextPlayerId;
+
+        [BurstCompile]
+        public void OnCreate(ref SystemState state)
+        {
+            state.RequireForUpdate<GoInGameRequest>();
+            _nextPlayerId = 1;
+        }
+
+        [BurstCompile]
+        public void OnUpdate(ref SystemState state)
+        {
+            var ecb = new EntityCommandBuffer(Allocator.Temp);
+
+            foreach (var (request, requestSource, requestEntity) in
+                     SystemAPI.Query<RefRO<GoInGameRequest>, RefRO<ReceiveRpcCommandRequest>>()
+                         .WithEntityAccess())
+            {
+                var connectionEntity = requestSource.ValueRO.SourceConnection;
+
+                // Mark the connection as in-game
+                ecb.AddComponent<NetworkStreamInGame>(connectionEntity);
+
+                // Get the NetworkId for this connection
+                var networkId = state.EntityManager.GetComponentData<NetworkId>(connectionEntity);
+
+                // Create a PlayerState entity for this player
+                var playerEntity = ecb.CreateEntity();
+                ecb.AddComponent(playerEntity, new PlayerStateComponent
+                {
+                    PlayerId = _nextPlayerId,
+                    CurrentEpoch = Epoch.StoneAge,
+                    PopulationCurrent = 0,
+                    PopulationMax = GameConstants.StartingPopulationCap,
+                    CivilizationId = 0,
+                    IsAlive = true
+                });
+                ecb.AddComponent(playerEntity, new PlayerResourcesComponent
+                {
+                    Food = 200,
+                    Wood = 200,
+                    Stone = 100,
+                    Gold = 100,
+                    Tin = 0
+                });
+                ecb.AddComponent(playerEntity, new GhostOwner { NetworkId = networkId.Value });
+
+                UnityEngine.Debug.Log($"[Server] Player {_nextPlayerId} (NetworkId={networkId.Value}) entered game");
+
+                _nextPlayerId++;
+
+                // Destroy the request entity
+                ecb.DestroyEntity(requestEntity);
+            }
+
+            ecb.Playback(state.EntityManager);
+            ecb.Dispose();
+        }
+    }
+}