initial paddle drawing

.gitignore

@@ -3,6 +3,8 @@
 ##
 ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
+fnalibs/
+
 # User-specific files
 *.rsuser
 *.suo

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "encompass-cs"]
 	path = encompass-cs
 	url = https://gitea.moonside.games/MoonsideGames/encompass-cs.git
+[submodule "MoonTools.Structs"]
+	path = MoonTools.Structs
+	url = git@gitea.moonside.games:MoonsideGames/MoonTools.Structs.git

MoonTools.Structs

@@ -0,0 +1 @@
+Subproject commit a3a5803961d5f172a2376f7b0451ba21bd5842b6

PongFE/Components/PositionComponent.cs

@@ -0,0 +1,15 @@
+using Encompass;
+using MoonTools.Structs;
+
+namespace PongFE.Components
+{
+    public struct PositionComponent : IComponent
+    {
+        public Position2D Position { get; }
+
+        public PositionComponent(Position2D position)
+        {
+            Position = position;
+        }
+    }
+}

PongFE/Components/Texture2DComponent.cs

@@ -0,0 +1,17 @@
+using Encompass;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace PongFE.Components
+{
+    public struct Texture2DComponent : IComponent, IDrawableComponent
+    {
+        public Texture2D Texture { get; }
+        public int Layer { get; }
+
+        public Texture2DComponent(Texture2D texture, int layer)
+        {
+            Texture = texture;
+            Layer = layer;
+        }
+    }
+}

PongFE/Extensions/Position2DExtensions.cs

@@ -0,0 +1,12 @@
+using MoonTools.Structs;
+
+namespace PongFE.Extensions
+{
+    public static class Position2DExtensions
+    {
+        public static Microsoft.Xna.Framework.Vector2 ToXNAVector(this Position2D position)
+        {
+            return new Microsoft.Xna.Framework.Vector2(position.X, position.Y);
+        }
+    }
+}

PongFE/PongFE.Core.csproj

@@ -25,6 +25,7 @@
   <ItemGroup>
     <ProjectReference Include="..\FNA\FNA.Core.csproj"/>
     <ProjectReference Include="..\encompass-cs\encompass-cs\encompass-cs.csproj" />
+    <ProjectReference Include="..\MoonTools.Structs\Structs\Structs.csproj" />
   </ItemGroup>
   <Import Project="..\build\CopyFNALibs.targets"/>
   <Import Sdk="Microsoft.NET.Sdk" Project="Sdk.targets" />

PongFE/PongFE.Framework.csproj

@@ -28,6 +28,7 @@
   <ItemGroup>
     <ProjectReference Include="..\FNA\FNA.csproj"/>
     <ProjectReference Include="..\encompass-cs\encompass-cs\encompass-cs.csproj" />
+    <ProjectReference Include="..\MoonTools.Structs\Structs\Structs.csproj" />
   </ItemGroup>
   <Import Project="..\build\CopyFNALibs.targets"/>
   <Import Sdk="Microsoft.NET.Sdk" Project="Sdk.targets" />

PongFE/PongFEGame.cs

@@ -1,6 +1,8 @@
 using Encompass;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
+using PongFE.Components;
+using PongFE.Renderers;
 
 namespace PongFE
 {
@@ -11,6 +13,10 @@ namespace PongFE
         WorldBuilder WorldBuilder { get; } = new WorldBuilder();
         World World { get; set; }
 
+        SpriteBatch SpriteBatch { get; set; }
+        Texture2D WhitePixel { get; set; }
+        RenderTarget2D PaddleTexture { get; set; }
+
         public PongFEGame()
         {
             graphics = new GraphicsDeviceManager(this);
@@ -25,6 +31,24 @@ namespace PongFE
 
         protected override void LoadContent()
         {
+            SpriteBatch = new SpriteBatch(GraphicsDevice);
+
+            WhitePixel = new Texture2D(GraphicsDevice, 1, 1);
+            WhitePixel.SetData(new Color[] { Color.White });
+
+            PaddleTexture = new RenderTarget2D(GraphicsDevice, 20, 80);
+            GraphicsDevice.SetRenderTarget(PaddleTexture);
+            SpriteBatch.Begin();
+            SpriteBatch.Draw(WhitePixel, new Rectangle(0, 0, 20, 80), Color.White);
+            SpriteBatch.End();
+            GraphicsDevice.SetRenderTarget(null);
+
+            WorldBuilder.AddOrderedRenderer(new Texture2DRenderer(SpriteBatch));
+
+            var paddle = WorldBuilder.CreateEntity();
+            WorldBuilder.SetComponent(paddle, new PositionComponent(new MoonTools.Structs.Position2D(5, 5)));
+            WorldBuilder.SetComponent(paddle, new Texture2DComponent(PaddleTexture, 0));
+
             World = WorldBuilder.Build();
         }
 
@@ -42,9 +66,11 @@ namespace PongFE
 
         protected override void Draw(GameTime gameTime)
         {
-            GraphicsDevice.Clear(Color.CornflowerBlue);
+            GraphicsDevice.Clear(Color.Black);
 
+            SpriteBatch.Begin(SpriteSortMode.Deferred, BlendState.NonPremultiplied);
             World.Draw();
+            SpriteBatch.End();
 
             base.Draw(gameTime);
         }

PongFE/Program.cs

@@ -28,7 +28,7 @@ namespace PongFE
             }
 
             // https://github.com/FNA-XNA/FNA/wiki/7:-FNA-Environment-Variables#fna_graphics_enable_highdpi
-            // NOTE: from documentation: 
+            // NOTE: from documentation:
             //       Lastly, when packaging for macOS, be sure this is in your app bundle's Info.plist:
             //           <key>NSHighResolutionCapable</key>
             //           <string>True</string>

PongFE/Renderers/Texture2DRenderer.cs

@@ -0,0 +1,35 @@
+using Encompass;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using PongFE.Components;
+using PongFE.Extensions;
+
+namespace PongFE.Renderers
+{
+    public class Texture2DRenderer : OrderedRenderer<Texture2DComponent>
+    {
+        private readonly SpriteBatch _spriteBatch;
+
+        public Texture2DRenderer(SpriteBatch spriteBatch)
+        {
+            _spriteBatch = spriteBatch;
+        }
+
+        public override void Render(Entity entity, in Texture2DComponent textureComponent)
+        {
+            ref readonly var positionComponent = ref GetComponent<PositionComponent>(entity);
+
+            _spriteBatch.Draw(
+                textureComponent.Texture,
+                positionComponent.Position.Truncated().ToXNAVector(),
+                null,
+                Color.White,
+                0,
+                Vector2.Zero,
+                Vector2.One,
+                SpriteEffects.None,
+                0
+            );
+        }
+    }
+}