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Assets/Scripts/Server/ServerProcessGameEntryRequestSystem.cs

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+using Common;
+using RpcComponents;
+using Unity.Collections;
+using Unity.Entities;
+using Unity.Mathematics;
+using Unity.NetCode;
+using Unity.Rendering;
+using Unity.Transforms;
+using UnityEngine;
+
+namespace Server
+{
+    [WorldSystemFilter(WorldSystemFilterFlags.ServerSimulation)]
+    public partial struct ServerProcessGameEntryRequestSystem : ISystem
+    {
+        public void OnCreate(ref SystemState state)
+        {
+            var builder = new EntityQueryBuilder(Allocator.Temp).WithAll<TdTeamRequest, ReceiveRpcCommandRequest>();
+            state.RequireForUpdate(state.GetEntityQuery(builder));
+            state.RequireForUpdate<TdPrefabs>();
+        }
+
+        public void OnUpdate(ref SystemState state)
+        {
+            var ecb = new EntityCommandBuffer(Allocator.Temp);
+            var characterPrefab  = SystemAPI.GetSingleton<TdPrefabs>().Character;
+            
+            foreach (var (teamRequest, requestSource, requestEntity) in SystemAPI.Query<TdTeamRequest, ReceiveRpcCommandRequest>().WithEntityAccess())
+            {
+                //destroy request entity that only holds request
+                ecb.DestroyEntity(requestEntity);
+                
+                //sync server connection entity with client connection entity
+                ecb.AddComponent<NetworkStreamInGame>(requestSource.SourceConnection);
+
+                var requestedTeam  = teamRequest.Value;
+                var requestedColor = teamRequest.Color;
+                var clientId    = SystemAPI.GetComponent<NetworkId>(requestSource.SourceConnection).Value;
+                    
+                Debug.Log($"Server is assigning ClientId {clientId} to team {requestedTeam}");
+                
+                var newCharacter = ecb.Instantiate(characterPrefab);
+                var spawnPosition     = new float3(0f, 1f, 0f);
+                var newTransform      = LocalTransform.FromPosition(spawnPosition);
+
+                ecb.SetComponent(newCharacter, newTransform);
+                ecb.SetName(newCharacter, "Character");
+                
+                ecb.SetComponent(newCharacter, new TdTeam { Value = requestedTeam });
+                ecb.AddComponent(newCharacter, new GhostOwner { NetworkId = clientId});
+                
+                //Destroy character prefab, when client disconnects
+                ecb.AppendToBuffer(requestSource.SourceConnection, new LinkedEntityGroup{Value = newCharacter});
+            }
+            
+            ecb.Playback(state.EntityManager);
+        }
+    }
+}

Assets/Scripts/Server/ServerProcessGameEntryRequestSystem.cs.meta

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+fileFormatVersion: 2
+guid: e714f5d70bd94d9294b3324c62136b64
+timeCreated: 1738084632