Started work on session manager. Fixed mouse rendering logic.

OpenDiablo2.Common/Enums/eSessionType.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenDiablo2.Common.Enums
+{
+    /// <summary>Defines the type of gameplay session we are running.</summary>
+    public enum eSessionType
+    {
+        /// <summary>This session is an offline single player game.</summary>
+        Local,
+
+        /// <summary>This session is a multiplayer game, and this instance is the server.</summary>
+        Server,
+
+        /// <summary>This session is a multiplayer game, and this instance is a client connected to an external server.</summary>
+        Remote
+    }
+}

OpenDiablo2.Common/Interfaces/Drawing/IRenderWindow.cs

@@ -6,6 +6,8 @@ namespace OpenDiablo2.Common.Interfaces
 {
     public interface IRenderWindow : IDisposable
     {
+        IMouseCursor MouseCursor { get; set; }
+
         bool IsRunning { get; }
         void Update();
         void Clear();
@@ -24,7 +26,6 @@ namespace OpenDiablo2.Common.Interfaces
         void Draw(ISprite sprite, int frame);
         void Draw(ISprite sprite, int xSegments, int ySegments, int offset);
         IMouseCursor LoadCursor(ISprite sprite, int frame, Point hotspot);
-        void SetCursor(IMouseCursor mouseCursor);
         void Draw(ILabel label);
         MapCellInfo CacheMapCell(MPQDT1Tile mapCell);
         void DrawMapCell(MapCellInfo mapCellInfo, int xPixel, int yPixel);

OpenDiablo2.Common/Interfaces/IGameState.cs

@@ -18,7 +18,7 @@ namespace OpenDiablo2.Common.Interfaces
         bool ToggleShowCharacterPanel();
         bool ShowCharacterPanel { get; set; }
 
-        void Initialize(string text, eHero value);
+        void Initialize(string text, eHero value, eSessionType sessionType);
         void Update(long ms);
         IEnumerable<MapCellInfo> GetMapCellInfo(int cellX, int cellY, eRenderCellType renderCellType);
         void UpdateMapCellInfo(int cellX, int cellY, eRenderCellType renderCellType, IEnumerable<MapCellInfo> mapCellInfo);

OpenDiablo2.Common/Interfaces/ISessionManager.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenDiablo2.Common.Interfaces
+{
+    public interface ISessionManager : IDisposable
+    {
+        void Initialize();
+        void Stop();
+    }
+}

OpenDiablo2.Common/Interfaces/ISessionServer.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenDiablo2.Common.Interfaces
+{
+    public interface ISessionServer : IDisposable
+    {
+    }
+}

OpenDiablo2.Common/OpenDiablo2.Common.csproj

@@ -61,11 +61,14 @@
     <Compile Include="Enums\eLevelSubType.cs" />
     <Compile Include="Enums\eMPQFormatVersion.cs" />
     <Compile Include="Enums\eRenderCellType.cs" />
+    <Compile Include="Enums\eSessionType.cs" />
     <Compile Include="Enums\eTextAlign.cs" />
     <Compile Include="Enums\eWildBorder.cs" />
     <Compile Include="Enums\Mobs\eDamageTypes.cs" />
     <Compile Include="Enums\Mobs\eMobFlags.cs" />
     <Compile Include="Enums\Mobs\eStatModifierType.cs" />
+    <Compile Include="Interfaces\ISessionManager.cs" />
+    <Compile Include="Interfaces\ISessionServer.cs" />
     <Compile Include="Interfaces\UI\IButton.cs" />
     <Compile Include="Interfaces\UI\IPanelFrame.cs" />
     <Compile Include="Interfaces\UI\IInventoryPanel.cs" />
@@ -134,6 +137,9 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <Folder Include="Message Frames\Requests\" />
+    <Folder Include="Message Frames\Responses\" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

OpenDiablo2.Core/AutofacModule.cs

@@ -27,6 +27,7 @@ namespace OpenDiablo2.Core
             builder.RegisterType<ResourceManager>().As<IResourceManager>().SingleInstance();
             builder.RegisterType<TextDictionary>().As<ITextDictionary>().SingleInstance();
             builder.RegisterType<TextBox>().As<ITextBox>().InstancePerDependency();
+            builder.RegisterType<SessionServer>().As<ISessionServer>().InstancePerLifetimeScope();
         }
     }
 }

OpenDiablo2.Core/GameEngine.cs

@@ -17,7 +17,6 @@ namespace OpenDiablo2.Core
         private readonly GlobalConfiguration globalConfig;
         private readonly IMPQProvider mpqProvider;
         private readonly Func<IRenderWindow> getRenderWindow;
-        private readonly Func<IMouseInfoProvider> getMouseInfoProvider;
         private readonly Func<string, IScene> getScene;
         private readonly Func<IResourceManager> getResourceManager;
         private readonly Func<IGameState> getGameState;
@@ -36,7 +35,6 @@ namespace OpenDiablo2.Core
             GlobalConfiguration globalConfig,
             IMPQProvider mpqProvider,
             Func<IRenderWindow> getRenderWindow,
-            Func<IMouseInfoProvider> getMouseInfoProvider,
             Func<string, IScene> getScene,
             Func<IResourceManager> getResourceManager,
             Func<IGameState> getGameState
@@ -45,7 +43,6 @@ namespace OpenDiablo2.Core
             this.globalConfig = globalConfig;
             this.mpqProvider = mpqProvider;
             this.getRenderWindow = getRenderWindow;
-            this.getMouseInfoProvider = getMouseInfoProvider;
             this.getScene = getScene;
             this.getResourceManager = getResourceManager;
             this.getGameState = getGameState;
@@ -81,18 +78,13 @@ namespace OpenDiablo2.Core
         public void Run()
         {
             var renderWindow = getRenderWindow();
-            var mouseInfoProvider = getMouseInfoProvider();
 
             LoadPalettes();
             LoadSoundData();
 
             mouseSprite = renderWindow.LoadSprite(ResourcePaths.CursorDefault, Palettes.Units);
-            IMouseCursor cursor;
+            var cursor = renderWindow.LoadCursor(mouseSprite, 0, new Point(0, 3));
-            if (globalConfig.MouseMode == eMouseMode.Hardware)
+            renderWindow.MouseCursor = cursor;
-            {
-                cursor = renderWindow.LoadCursor(mouseSprite, 0, new Point(0, 0));
-                renderWindow.SetCursor(cursor);
-            }
             
             currentScene = getScene("Main Menu");
             var lastTicks = renderWindow.GetTicks();
@@ -132,9 +124,6 @@ namespace OpenDiablo2.Core
                 renderWindow.Clear();
                 currentScene.Render();
 
-                if (globalConfig.MouseMode == eMouseMode.Software)
-                    renderWindow.Draw(mouseSprite, new Point(mouseInfoProvider.MouseX, mouseInfoProvider.MouseY + 3));
-
                 renderWindow.Sync();
             }
         }

OpenDiablo2.Core/GameState/GameState.cs

@@ -19,16 +19,12 @@ namespace OpenDiablo2.Core.GameState_
         private readonly IEngineDataManager engineDataManager;
         private readonly IRenderWindow renderWindow;
         private readonly Func<IMapEngine> getMapEngine;
+        private readonly Func<eSessionType, ISessionManager> getSessionManager;
 
         private float animationTime = 0f;
         private List<MapInfo> mapInfo;
         private List<MapCellInfo> mapDataLookup = new List<MapCellInfo>();
-
+        private ISessionManager sessionManager;
-        // TODO: Break this out further so we can support multiple maps---------------------------------------------
-        //private MPQDS1 _mapDataTemp, _mapDataTemp2;
-        //private Dictionary<Guid, List<MapCellInfo>> mapDataLookup = new Dictionary<Guid, List<MapCellInfo>>();
-        //private Dictionary<Guid, List<MapCellInfo>> mapDataLookup2 = new Dictionary<Guid, List<MapCellInfo>>();
-        // ---------------------------------------------------------------------------------------------------------
 
         public int Act { get; private set; }
         public string MapName { get; private set; }
@@ -45,57 +41,31 @@ namespace OpenDiablo2.Core.GameState_
             IPaletteProvider paletteProvider,
             IEngineDataManager engineDataManager,
             IRenderWindow renderWindow,
-            Func<IMapEngine> getMapEngine
+            Func<IMapEngine> getMapEngine,
+            Func<eSessionType, ISessionManager> getSessionManager
             )
         {
             this.sceneManager = sceneManager;
             this.resourceManager = resourceManager;
             this.paletteProvider = paletteProvider;
             this.getMapEngine = getMapEngine;
+            this.getSessionManager = getSessionManager;
             this.engineDataManager = engineDataManager;
             this.renderWindow = renderWindow;
 
         }
 
-        public void Initialize(string characterName, eHero hero)
+        public void Initialize(string characterName, eHero hero, eSessionType sessionType)
         {
+            sessionManager = getSessionManager(sessionType);
+            sessionManager.Initialize();
+
             var random = new Random();
-            Seed = random.Next();
+            Seed = random.Next(); // TODO: Seed does not go here ;-(
 
             sceneManager.ChangeScene("Game");
-
-            // Initialize our first village
-            // TODO: Loading may make this 'fun'..
             mapInfo = new List<MapInfo>();
-
             (new MapGenerator(this)).Generate();
-
-            // TODO: We need a map generator here...
-            /*
-            {
-                // TODO: TEMP CODE AHEAD! 
-                var transId = nw ? 3 : 2;
-                var level = engineDataManager.LevelPresets.First(x => x.Def == (int)transId);
-                var levelDetails = engineDataManager.LevelDetails.First(x => x.Id == level.LevelId);
-                var levelType = engineDataManager.LevelTypes.First(x => x.Id == levelDetails.LevelType);
-
-                // Some maps have variations, so lets pick a random one
-                var mapNames = new List<string>();
-                if (level.File1 != "0") mapNames.Add(level.File1);
-                if (level.File2 != "0") mapNames.Add(level.File2);
-                if (level.File3 != "0") mapNames.Add(level.File3);
-                if (level.File4 != "0") mapNames.Add(level.File4);
-                if (level.File5 != "0") mapNames.Add(level.File5);
-                if (level.File6 != "0") mapNames.Add(level.File6);
-
-
-                var random = new Random(Seed);
-                var mapName = "data\\global\\tiles\\" + mapNames[random.Next(mapNames.Count())].Replace("/", "\\");
-                _mapDataTemp2 = resourceManager.GetMPQDS1(mapName, level, levelDetails, levelType);
-
-            }
-            */
-
         }
 
 

OpenDiablo2.Core/OpenDiablo2.Core.csproj

@@ -65,6 +65,7 @@
     <Compile Include="MPQProvider.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="ResourceManager.cs" />
+    <Compile Include="SessionServer.cs" />
     <Compile Include="TextDictionary.cs" />
     <Compile Include="UI\Button.cs" />
     <Compile Include="UI\PanelFrame.cs" />

OpenDiablo2.Core/SessionServer.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using OpenDiablo2.Common.Interfaces;
+
+namespace OpenDiablo2.Core
+{
+    public sealed class SessionServer : ISessionServer
+    {
+
+        public void Dispose()
+        {
+            
+        }
+    }
+}

OpenDiablo2.SDL2/SDL2MouseCursor.cs

@@ -1,10 +1,15 @@
 using System;
+using System.Drawing;
 using OpenDiablo2.Common.Interfaces;
+using SDL2;
 
 namespace OpenDiablo2.SDL2_
 {
     public sealed class SDL2MouseCursor : IMouseCursor
     {
-        public IntPtr Surface { get; set; }
+        public IntPtr HWSurface { get; set; }
+        public IntPtr SWTexture { get; set; }
+        public Size ImageSize { get; set; }
+        public Point Hotspot { get; set; }
     }
 }

OpenDiablo2.SDL2/SDL2RenderWindow.cs

@@ -25,6 +25,19 @@ namespace OpenDiablo2.SDL2_
 
         public OnKeyPressed KeyPressCallback { get; set; }
 
+        private IMouseCursor mouseCursor = null;
+        public IMouseCursor MouseCursor
+        {
+            get => mouseCursor;
+            set
+            {
+                if (mouseCursor == value)
+                    return;
+
+                SetCursor(value);
+            }
+        }
+
         private readonly IMPQProvider mpqProvider;
         private readonly IPaletteProvider paletteProvider;
         private readonly IResourceManager resourceManager;
@@ -96,8 +109,33 @@ namespace OpenDiablo2.SDL2_
 
         }
 
-        public void Sync()
+        public unsafe void Sync()
         {
+            if (globalConfig.MouseMode == eMouseMode.Software)
+            {
+                var cursor = mouseCursor as SDL2MouseCursor;
+                var texture = cursor.SWTexture;
+
+                var srcRect = new SDL.SDL_Rect
+                {
+                    x = 0,
+                    y = 0,
+                    w = cursor.ImageSize.Width,
+                    h = cursor.ImageSize.Height
+                };
+
+                var destRect = new SDL.SDL_Rect
+                {
+                    x = MouseX - cursor.Hotspot.X,
+                    y = MouseY - cursor.Hotspot.Y,
+                    w = cursor.ImageSize.Width,
+                    h = cursor.ImageSize.Height
+                };
+
+                SDL.SDL_RenderCopy(renderer, texture, ref srcRect, ref destRect);
+            }
+
+
             SDL.SDL_RenderPresent(renderer);
         }
 
@@ -145,7 +183,8 @@ namespace OpenDiablo2.SDL2_
                         fullscreen = !fullscreen;
                         SDL.SDL_SetWindowFullscreen(window, (uint)(fullscreen ? SDL.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN : 0));
                     }
-                    else*/ if (evt.key.keysym.sym == SDL.SDL_Keycode.SDLK_BACKSPACE && KeyPressCallback != null)
+                    else*/
+                    if (evt.key.keysym.sym == SDL.SDL_Keycode.SDLK_BACKSPACE && KeyPressCallback != null)
                         KeyPressCallback('\b');
                 }
                 else if (evt.type == SDL.SDL_EventType.SDL_TEXTINPUT)
@@ -287,8 +326,6 @@ namespace OpenDiablo2.SDL2_
 
         public unsafe MapCellInfo CacheMapCell(MPQDT1Tile mapCell)
         {
-            log.Debug($"Caching map cell {mapCell.Id}");
-
             var minX = mapCell.Blocks.Min(x => x.PositionX);
             var minY = mapCell.Blocks.Min(x => x.PositionY);
             var maxX = mapCell.Blocks.Max(x => x.PositionX + 32);
@@ -379,34 +416,55 @@ namespace OpenDiablo2.SDL2_
 
         public unsafe IMouseCursor LoadCursor(ISprite sprite, int frame, Point hotspot)
         {
-            if (globalConfig.MouseMode != eMouseMode.Hardware)
+            if (globalConfig.MouseMode == eMouseMode.Software)
-                throw new ApplicationException("Tried to set a hardware cursor, but we are using software cursors!");
+            {
+                sprite.Frame = frame;
+
+                var texId = SDL.SDL_CreateTexture(renderer, SDL.SDL_PIXELFORMAT_ARGB8888,
+                    (int)SDL.SDL_TextureAccess.SDL_TEXTUREACCESS_TARGET, sprite.LocalFrameSize.Width, sprite.LocalFrameSize.Height);
+                SDL.SDL_SetTextureBlendMode(texId, SDL.SDL_BlendMode.SDL_BLENDMODE_BLEND);
+
+                SDL.SDL_SetRenderTarget(renderer, texId);
+                SDL.SDL_RenderCopy(renderer, (sprite as SDL2Sprite).texture, IntPtr.Zero, IntPtr.Zero);
+                SDL.SDL_SetRenderTarget(renderer, IntPtr.Zero);
+
+                return new SDL2MouseCursor
+                {
+                    Hotspot = hotspot,
+                    ImageSize = sprite.LocalFrameSize,
+                    SWTexture = texId
+                };
+            }
 
             var multiple = globalConfig.HardwareMouseScale;
             var spr = sprite as SDL2Sprite;
-            var surface = SDL.SDL_CreateRGBSurface(0, spr.FrameSize.Width * multiple, spr.FrameSize.Height * multiple, 32, 0xFF0000, 0xFF00, 0xFF, 0xFF000000);
+            var surface = SDL.SDL_CreateRGBSurface(0, spr.LocalFrameSize.Width * multiple, spr.LocalFrameSize.Height * multiple, 32, 0xFF0000, 0xFF00, 0xFF, 0xFF000000);
-
+            var yOffset = (spr.FrameSize.Height - spr.LocalFrameSize.Height);
+            var XOffset = (spr.FrameSize.Width - spr.LocalFrameSize.Width);
             var pixels = (UInt32*)((SDL.SDL_Surface*)surface)->pixels;
-            for (var y = 0; y < (spr.FrameSize.Height * multiple) - 1; y++)
+            for (var y = 0; y < (spr.LocalFrameSize.Height * multiple) - 1; y++)
-                for (var x = 0; x < (spr.FrameSize.Width * multiple) - 1; x++)
+                for (var x = 0; x < (spr.LocalFrameSize.Width * multiple) - 1; x++)
                 {
-                    pixels[x + (y * spr.FrameSize.Width * multiple)] = spr.source.Frames[frame].GetColor(x / multiple, y / multiple, sprite.CurrentPalette);
+                    pixels[x + XOffset + ((y + yOffset) * spr.LocalFrameSize.Width * multiple)] = spr.source.Frames[frame].GetColor(x / multiple, y / multiple, sprite.CurrentPalette);
                 }
 
-            var cursor = SDL.SDL_CreateColorCursor(surface, hotspot.X, hotspot.Y);
+            var cursor = SDL.SDL_CreateColorCursor(surface, hotspot.X * multiple, hotspot.Y * multiple);
             if (cursor == IntPtr.Zero)
                 throw new ApplicationException($"Unable to set the cursor cursor: {SDL.SDL_GetError()}"); // TODO: Is this supported everywhere? May need to still support software cursors.
-            return new SDL2MouseCursor { Surface = cursor };
+            return new SDL2MouseCursor { HWSurface = cursor };
         }
 
-        public void SetCursor(IMouseCursor mouseCursor)
+        private void SetCursor(IMouseCursor mouseCursor)
         {
-            if (globalConfig.MouseMode != eMouseMode.Hardware)
+            this.mouseCursor = mouseCursor;
-                throw new ApplicationException("Tried to set a hardware cursor, but we are using software cursors!");
 
-            SDL.SDL_SetCursor((mouseCursor as SDL2MouseCursor).Surface);
+            if (globalConfig.MouseMode != eMouseMode.Hardware)
+                return;
+
+            SDL.SDL_SetCursor((mouseCursor as SDL2MouseCursor).HWSurface);
         }
 
         public uint GetTicks() => SDL.SDL_GetTicks();
+
     }
 }

OpenDiablo2.Scenes/SelectHeroClass.cs

@@ -228,7 +228,8 @@ namespace OpenDiablo2.Scenes
 
         private void OnOkclicked()
         {
-            gameState.Initialize(characterNameTextBox.Text, selectedHero.Value);
+            // TODO: Support other session types
+            gameState.Initialize(characterNameTextBox.Text, selectedHero.Value, eSessionType.Local);
         }
 
         private void OnExitClicked()

OpenDiablo2.ServiceBus/AutofacModule.cs

@@ -1,4 +1,7 @@
-using Autofac;
+using System;
+using Autofac;
+using OpenDiablo2.Common.Enums;
+using OpenDiablo2.Common.Interfaces;
 
 namespace OpenDiablo2.ServiceBus
 {
@@ -6,7 +9,24 @@ namespace OpenDiablo2.ServiceBus
     {
         protected override void Load(ContainerBuilder builder)
         {
+            builder.RegisterType<LocalSessionManager>().AsSelf().InstancePerLifetimeScope();
 
+            builder.Register<Func<eSessionType, ISessionManager>>(c =>
+            {
+                var componentContext = c.Resolve<IComponentContext>();
+                return (sessionType) =>
+                {
+                    switch (sessionType)
+                    {
+                        case eSessionType.Local:
+                            return componentContext.Resolve<LocalSessionManager>();
+                        case eSessionType.Server:
+                        case eSessionType.Remote:
+                        default:
+                            throw new ApplicationException("Unsupported session type.");
+                    }
+                };
+            });
         }
     }
 }

OpenDiablo2.ServiceBus/LocalSessionManager.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using OpenDiablo2.Common.Interfaces;
+
+namespace OpenDiablo2.ServiceBus
+{
+    public sealed class LocalSessionManager : ISessionManager
+    {
+        private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+
+        private readonly ISessionServer sessionServer;
+        volatile bool running = false;
+
+        public LocalSessionManager(ISessionServer sessionServer)
+        {
+            this.sessionServer = sessionServer;
+        }
+
+        public void Initialize()
+        {
+            log.Info("Initializing a local multiplayer session.");
+            running = true;
+            Task.Run(() => Listen());
+        }
+
+        private void Listen()
+        {
+            log.Info("Local session manager is starting.");
+            while (running)
+            {
+
+            }
+
+            log.Info("Local session manager has stopped.");
+        }
+
+        public void Dispose()
+        {
+            
+        }
+
+        public void Stop() => running = false;
+    }
+}

OpenDiablo2.ServiceBus/OpenDiablo2.ServiceBus.csproj

@@ -56,6 +56,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AutofacModule.cs" />
+    <Compile Include="LocalSessionManager.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>