1 files changed, 81 insertions, 0 deletions
diff --git a/V3/Data/Internal/GameStateManager.cs b/V3/Data/Internal/GameStateManager.cs
new file mode 100644
index 0000000..53ef3de
--- /dev/null
+++ b/V3/Data/Internal/GameStateManager.cs
@@ -0,0 +1,81 @@
+using System.Collections.Generic;
+using V3.Camera;
+using V3.Map;
+using V3.Objects;
+
+namespace V3.Data.Internal
+{
+    /// <summary>
+    /// Default implementation of IGameStateManager.
+    /// </summary>
+    // ReSharper disable once ClassNeverInstantiated.Global
+    internal sealed class GameStateManager : IGameStateManager
+    {
+        private readonly CameraManager mCameraManager;
+        private readonly CreatureFactory mCreatureFactory;
+        private readonly IMapManager mMapManager;
+        private readonly IObjectsManager mObjectsManager;
+
+        public GameStateManager(CameraManager cameraManager, CreatureFactory creatureFactory,
+                IMapManager mapManager, IObjectsManager objectsManager)
+        {
+            mCameraManager = cameraManager;
+            mCreatureFactory = creatureFactory;
+            mMapManager = mapManager;
+            mObjectsManager = objectsManager;
+        }
+
+        /// <summary>
+        /// Restores the given game state.
+        /// </summary>
+        public GameState GetGameState()
+        {
+            var gameState = new GameState();
+            foreach (var obj in mObjectsManager.CreatureList)
+            {
+                gameState.mCreatures.Add(obj.SaveData());
+            }
+            gameState.mCameraPosition = mCameraManager.GetCamera().Location;
+            return gameState;
+        }
+
+        /// <summary>
+        /// Restores the given game state.
+        /// </summary>
+        /// <param name="gameState">the game state to restore</param>
+        public void LoadGameState(GameState gameState)
+        {
+            mObjectsManager.Clear();
+            mObjectsManager.ImportMapObjects(mMapManager.GetObjects());
+            var creatures = new Dictionary<int, ICreature>();
+
+            // load creatures
+            foreach (var creatureData in gameState.mCreatures)
+            {
+                ICreature creature = mCreatureFactory.CreateCreature(creatureData.Type, creatureData.Id);
+                if (creature == null)
+                    continue;
+                creature.LoadData(creatureData);
+                if (creature is Necromancer)
+                    mObjectsManager.CreatePlayerCharacter((Necromancer) creature);
+                else if (creature is King) // || creature is Prince
+                    mObjectsManager.CreateBoss(creature);
+                else
+                    mObjectsManager.CreateCreature(creature);
+
+                creatures.Add(creature.Id, creature);
+            }
+
+            // fix references
+            foreach (var creatureData in gameState.mCreatures)
+            {
+                if (!creatures.ContainsKey(creatureData.Id))
+                    continue;
+                creatures[creatureData.Id].LoadReferences(creatureData, creatures);
+            }
+
+            if (mCameraManager.GetCamera() is CameraScrolling)
+                mCameraManager.GetCamera().Location = gameState.mCameraPosition;
+        }
+    }
+}