camera movement

.gitignore

@@ -1,4 +1,4 @@
 .config/
 .vscode/
-src/bin
+**/bin/
-src/**/obj
+**/obj/

Content/Content.mgcb

@@ -0,0 +1,30 @@
+
+#----------------------------- Global Properties ----------------------------#
+
+/outputDir:bin/$(Platform)
+/intermediateDir:obj/$(Platform)
+/platform:DesktopGL
+/config:
+/profile:Reach
+/compress:False
+
+#-------------------------------- References --------------------------------#
+
+
+#---------------------------------- Content ---------------------------------#
+
+#begin images/atlas-definition.xml
+/copy:images/atlas-definition.xml
+
+#begin images/atlas.png
+/importer:TextureImporter
+/processor:TextureProcessor
+/processorParam:ColorKeyColor=255,0,255,255
+/processorParam:ColorKeyEnabled=True
+/processorParam:GenerateMipmaps=False
+/processorParam:PremultiplyAlpha=True
+/processorParam:ResizeToPowerOfTwo=False
+/processorParam:MakeSquare=False
+/processorParam:TextureFormat=Color
+/build:images/atlas.png
+

Content/images/atlas-definition.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextureAtlas>
+    <Texture>images/atlas</Texture>
+    <Regions>
+        <Region name="404" x="0" y="0" width="32" height="32" />
+    </Regions>
+</TextureAtlas>

Game1.cs

@@ -0,0 +1,140 @@
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Microsoft.Xna.Framework.Input;
+
+using MonoGameLibrary;
+using MonoGameLibrary.Graphics;
+
+// using tunnet.World;
+
+namespace tunnet;
+
+public class Game1 : Core
+{
+    // private World.Map _world;
+    // private Texture2D _logo;
+
+    public Game1() : base("Tunnet but not", 1280, 720, fullScreen: false)
+    {
+        // Content.RootDirectory = "Content";
+        // IsMouseVisible = true;
+    }
+
+    protected override void Initialize()
+    {
+        // TODO: Add your initialization logic here
+        // _world = new World.Map(mapId: 0);
+        // _world.LoadMap();
+        //
+
+        base.Initialize();
+    }
+
+    private Sprite _404;
+    // private AnimatedSprite _animatedSprite;
+    protected override void LoadContent()
+    {
+        TextureAtlas atlas = TextureAtlas.FromFile(Content, "images/atlas-definition.xml");
+
+        _404 = atlas.CreateSprite("404");
+        // _animatedSprite = atlas.CreateAnimatedSprite("404");
+    }
+
+    private const int _CAMERA_SPEED = 5;
+    Viewport _cameraPosition;
+    Point _mousePosition;
+    protected override void Update(GameTime gameTime)
+    {
+        if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
+            Exit();
+
+        // TODO: Add your update logic here
+
+        // Animations
+        // _animatedSprite.Update(gameTime);
+
+        // Inputs
+        // https://docs.monogame.net/articles/tutorials/building_2d_games/10_handling_input/
+
+        if (_cameraPosition.Equals(new Viewport())) _cameraPosition = GraphicsDevice.Viewport;
+        
+        CheckKeyboardInput();
+        CheckMouseInput();
+
+        base.Update(gameTime);
+    }
+    private void CheckKeyboardInput()
+    {
+        // Get the state of keyboard input
+        KeyboardState keyboardState = Keyboard.GetState();
+
+        // If the space key is held down, the movement speed increases by 1.5
+        int speed = _CAMERA_SPEED;
+        if (keyboardState.IsKeyDown(Keys.Space))
+        {
+            speed = (int)Math.Floor(speed * 1.5);
+        }
+        if (keyboardState.IsKeyDown(Keys.W) || keyboardState.IsKeyDown(Keys.Up))
+        {
+            _cameraPosition.Y += speed;
+        }
+        if (keyboardState.IsKeyDown(Keys.S) || keyboardState.IsKeyDown(Keys.Down))
+        {
+            _cameraPosition.Y -= speed;
+        }
+        if (keyboardState.IsKeyDown(Keys.A) || keyboardState.IsKeyDown(Keys.Left))
+        {
+            _cameraPosition.X += speed;
+        }
+        if (keyboardState.IsKeyDown(Keys.D) || keyboardState.IsKeyDown(Keys.Right))
+        {
+            _cameraPosition.X -= speed;
+        }
+        //
+        GraphicsDevice.Viewport = _cameraPosition;
+    }
+    private void CheckMouseInput()
+    {
+        // Get the state of mouse input
+        MouseState mouseState = Mouse.GetState();
+        
+        //Move camera with right mouse button
+        if (mouseState.RightButton == ButtonState.Pressed)
+        {
+            _mousePosition -= mouseState.Position; // delta
+
+            _cameraPosition!.X = _cameraPosition.X - _mousePosition.X;
+            _cameraPosition.Y = _cameraPosition.Y - _mousePosition.Y;
+        }
+        //
+        GraphicsDevice.Viewport = _cameraPosition;
+        _mousePosition = mouseState.Position; // here because of wasd breaking it
+    }
+
+    protected override void Draw(GameTime gameTime)
+    {
+        GraphicsDevice.Clear(Color.CornflowerBlue);
+
+        SpriteBatch.Begin(sortMode: SpriteSortMode.Deferred);
+
+        // World.Map.Draw draw = new World.Map.Draw(in _spriteBatch); //TODO: fix
+        // _spriteBatch.Draw(_world._defaultTile, _world._defaultTile.Bounds.Center.ToVector2(), Color.White); //TODO: fix
+
+        /// TODO: Draw
+        /// 1. floor
+        /// 2. wires
+        /// 3. buildings
+        /// 4. entities
+        /// 5. walls
+        /// 
+        /// MINIMIZE texture swaps
+        /// MAXIMIZE drawRectangle usage per texture
+
+        _404.Draw(SpriteBatch, Vector2.Zero);
+
+        SpriteBatch.End();
+        //
+        base.Draw(gameTime);
+    }
+}

World/World.cs

@@ -0,0 +1,210 @@
+// using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading;
+using Microsoft.Xna.Framework;
+// using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace tunnet.World;
+
+struct World
+{
+    private class Tile // TODO: sprite, buildings[]
+    {
+        public int Id { get; }
+        public Point point { get; }
+
+        public Tile(int id) => Id = id;
+        public static Tile FromId(int id)
+        {
+            return new Tile(id);
+        }
+    }
+    private class Chunk
+    {
+        public const int Width = 32;
+        public const int Height = 32;
+        internal Tile[,] Tiles { get; private set; }
+
+        public Chunk()
+        {
+            Tiles = new Tile[Width, Height];
+        }
+    }
+    private static class ChunkStorage
+    {
+        /// <summary>
+        /// Saves the given chunk to disk in a compact binary format:  
+        /// Width×Height consecutive Int32 tile IDs.
+        /// </summary>
+        public static void Save(string filePath, Chunk chunk)
+        {
+            if (chunk == null)
+                throw new System.ArgumentNullException(nameof(chunk));
+
+            Directory.CreateDirectory(Path.GetDirectoryName(filePath) ?? ".");
+            using var fs = new FileStream(filePath, FileMode.Create, FileAccess.Write);
+            using var writer = new BinaryWriter(fs);
+
+            for (int x = 0; x < Chunk.Width; x++)
+            {
+                for (int y = 0; y < Chunk.Height; y++)
+                {
+                    // write each tile’s ID
+                    writer.Write(chunk.Tiles[x, y]?.Id ?? 0);
+                }
+            }
+        }
+        public static void Save(int chunkX, int chunkY, Chunk chunk)
+        {
+            Save($"{chunkX}_{chunkY}.chunk", chunk);
+        }
+
+        /// <summary>
+        /// Loads a chunk from the binary file format produced by Save().
+        /// </summary>
+        public static Chunk Load(string filePath)
+        {
+            if (!File.Exists(filePath))
+                throw new FileNotFoundException("Chunk file not found", filePath);
+            //TODO generate chunk instead
+
+            var chunk = new Chunk();
+            using var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
+            using var reader = new BinaryReader(fs);
+
+            for (int x = 0; x < Chunk.Width; x++)
+                for (int y = 0; y < Chunk.Height; y++)
+                {
+                    int id = reader.ReadInt32();
+                    chunk.Tiles[x, y] = Tile.FromId(id);
+                }
+
+            return chunk;
+        }
+        public static Chunk Load(Point location)
+        {
+            var filePath = $"{location.X}_{location.Y}.chunk";
+            if (File.Exists(filePath))
+                return Load(filePath);
+            return null;
+        }
+    }
+    public class Map
+    {
+        private readonly Dictionary<Point, Chunk> _loadedChunks = new Dictionary<Point, Chunk>();
+        private IReadOnlyDictionary<Point, Chunk> Chunks => _loadedChunks;
+        private Mutex _loadWait = new();
+        private readonly int id;
+        // private readonly int TileSize;
+        // public Texture2D _defaultTile;
+
+        public Map(int mapId)
+        {
+            id = mapId;
+            // TileSize = 32;
+        }
+
+        // Load the map by ID
+        public void LoadMap()
+        {
+            //TODO: Load map by ID
+        }
+
+        // Generate a new map
+        private void GenerateMap()
+        {
+            //TODO: Implement map generation
+        }
+
+        // Get a chunk (load if not in memory)
+        private Chunk GetChunk(Point location)
+        {
+            // var key = new Point(chunkX, chunkY);
+            if (!_loadedChunks.TryGetValue(location, out Chunk chunk))
+            {
+                chunk = ChunkStorage.Load(location);// LoadChunkFromDisk(chunkX, chunkY); // Or generate
+                _loadedChunks[location] = chunk;
+            }
+            return chunk;
+        }
+
+        // Access a specific tile
+        private Tile GetTile(int worldX, int worldY)
+        {
+            int chunkX = worldX / Chunk.Width;
+            int chunkY = worldY / Chunk.Height;
+            int tileX = worldX % Chunk.Width;
+            int tileY = worldY % Chunk.Height;
+
+            // Handle negative coordinates
+            if (tileX < 0) tileX += Chunk.Width;
+            if (tileY < 0) tileY += Chunk.Height;
+
+            return GetChunk(new Point(chunkX, chunkY)).Tiles[tileX, tileY];
+        }
+
+        // Unload distant chunks (memory management)
+        public void UnloadChunks(Point currentChunk, int keepRadius)
+        {
+            var keysToRemove = new List<Point>();
+            foreach (var key in _loadedChunks.Keys)
+            {
+                if (System.Math.Abs(key.X - currentChunk.X) > keepRadius ||
+                    System.Math.Abs(key.Y - currentChunk.Y) > keepRadius)
+                {
+                    ChunkStorage.Save(key.X, key.Y, _loadedChunks[key]); // Persist if needed
+                    keysToRemove.Add(key);
+                }
+            }
+            keysToRemove.ForEach(k => _loadedChunks.Remove(k));
+        }
+
+        /*public class Draw(in SpriteBatch spriteBatch)
+        {
+            private SpriteBatch spriteBatch = spriteBatch;
+        }*/
+
+        // private ref struct Draw
+        // {
+        //     private ref SpriteBatch _spriteBatch;
+        //     public Draw(ref SpriteBatch spriteBatch)
+        //     {
+        //         _spriteBatch = ref spriteBatch;
+        //     }
+        // }
+
+        // private readonly IReadOnlyDictionary<Point, Chunk> _chunks;
+
+        /*public void Draw()
+        {
+            if (_chunks.Count == 0)
+            {
+                Console.WriteLine("No chunks loaded");
+                return;
+            }
+            foreach (var kvp in _chunks)
+            {
+                Point chunkCoord = kvp.Key;
+                // var chunk = kvp.Value;
+
+                for (int cx = 0; cx < Chunk.Width; cx++)
+                {
+                    for (int cy = 0; cy < Chunk.Height; cy++)
+                    {
+                        // world‐space position in pixels
+                        Vector2 pos = new Vector2(
+                            (chunkCoord.X * Chunk.Width + cx) * TileSize,
+                            (chunkCoord.Y * Chunk.Height + cy) * TileSize
+                        );
+
+                        // draw the default tile for now
+                        Console.WriteLine("Sprite location: ", pos);
+                        _spriteBatch.Draw(_defaultTile, pos, Color.White);
+                    }
+                }
+            }
+        }*/
+    }
+}

run.sh

@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 
 echo "Running..."
-exec dotnet run --no-build --project src/
+exec dotnet run --no-build

src/Content/Content.mgcb

@@ -1,15 +0,0 @@
-
-#----------------------------- Global Properties ----------------------------#
-
-/outputDir:bin/$(Platform)
-/intermediateDir:obj/$(Platform)
-/platform:DesktopGL
-/config:
-/profile:Reach
-/compress:False
-
-#-------------------------------- References --------------------------------#
-
-
-#---------------------------------- Content ---------------------------------#
-

src/Game1.cs

@@ -1,51 +0,0 @@
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-using Microsoft.Xna.Framework.Input;
-
-namespace tunnet;
-
-public class Game1 : Game
-{
-    private GraphicsDeviceManager _graphics;
-    private SpriteBatch _spriteBatch;
-
-    public Game1()
-    {
-        _graphics = new GraphicsDeviceManager(this);
-        Content.RootDirectory = "Content";
-        IsMouseVisible = true;
-    }
-
-    protected override void Initialize()
-    {
-        // TODO: Add your initialization logic here
-
-        base.Initialize();
-    }
-
-    protected override void LoadContent()
-    {
-        _spriteBatch = new SpriteBatch(GraphicsDevice);
-
-        // TODO: use this.Content to load your game content here
-    }
-
-    protected override void Update(GameTime gameTime)
-    {
-        if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
-            Exit();
-
-        // TODO: Add your update logic here
-
-        base.Update(gameTime);
-    }
-
-    protected override void Draw(GameTime gameTime)
-    {
-        GraphicsDevice.Clear(Color.CornflowerBlue);
-
-        // TODO: Add your drawing code here
-
-        base.Draw(gameTime);
-    }
-}

tunnet.code-workspace

@@ -0,0 +1,11 @@
+{
+	"folders": [
+		{
+			"path": "."
+		},
+		{
+			"path": "../lib-bird"
+		}
+	],
+	"settings": {}
+}

tunnet.csproj

@@ -5,6 +5,7 @@
     <RollForward>Major</RollForward>
     <PublishReadyToRun>false</PublishReadyToRun>
     <TieredCompilation>false</TieredCompilation>
+    <!-- <AllowUnsafeBlocks>true</AllowUnsafeBlocks> -->
   </PropertyGroup>
   <PropertyGroup>
     <ApplicationManifest>app.manifest</ApplicationManifest>
@@ -26,6 +27,9 @@
     <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.*" />
     <PackageReference Include="MonoGame.Content.Builder.Task" Version="3.8.*" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\lib-bird\bird.csproj" />
+  </ItemGroup>
   <Target Name="RestoreDotnetTools" BeforeTargets="CollectPackageReferences">
     <Message Text="Restoring dotnet tools (this might take a while depending on your internet speed and should only happen upon building your project for the first time, or after upgrading MonoGame, or clearing your nuget cache)" Importance="High" />
     <Exec Command="dotnet tool restore" />

tunnet.sln

@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.0.31903.59
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "tunnet", "src/tunnet.csproj", "{728D0B55-232F-4C2B-A31F-04EA4BFF4209}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "tunnet", "tunnet.csproj", "{728D0B55-232F-4C2B-A31F-04EA4BFF4209}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution