destructible walls

TanksServer/GameLogic/CollideBulletsWithMap.cs

@@ -4,10 +4,17 @@ internal sealed class CollideBulletsWithMap(BulletManager bullets, MapService ma
 {
     public Task TickAsync()
     {
-        bullets.RemoveWhere(BulletHitsWall);
+        bullets.RemoveWhere(TryHitAndDestroyWall);
         return Task.CompletedTask;
     }
 
-    private bool BulletHitsWall(Bullet bullet) =>
-        map.Current.IsWall(bullet.Position.ToPixelPosition());
+    private bool TryHitAndDestroyWall(Bullet bullet)
+    {
+        var pixel = bullet.Position.ToPixelPosition();
+        if (!map.Current.IsWall(pixel))
+            return false;
+
+        map.Current.DestroyWallAt(pixel);
+        return true;
+    }
 }

TanksServer/GameLogic/MapService.cs

@@ -12,20 +12,25 @@ internal sealed class MapService
     public const ushort PixelsPerRow = TilesPerRow * TileSize;
     public const ushort PixelsPerColumn = TilesPerColumn * TileSize;
 
-    public Map[] All { get; }
+    private readonly Dictionary<string, bool[,]> _maps = new();
 
-    public Map Current { get; set; }
+    public IEnumerable<string> MapNames => _maps.Keys;
+
+    public Map Current { get; private set; }
 
     public MapService()
     {
-        var textMaps = Directory.EnumerateFiles("./assets/maps/", "*.txt").Select(LoadMapString);
-        var pngMaps = Directory.EnumerateFiles("./assets/maps/", "*.png").Select(LoadMapPng);
+        foreach (var file in Directory.EnumerateFiles("./assets/maps/", "*.txt"))
+            LoadMapString(file);
+        foreach (var file in Directory.EnumerateFiles("./assets/maps/", "*.png"))
+            LoadMapPng(file);
 
-        All = textMaps.Concat(pngMaps).ToArray();
-        Current = All[Random.Shared.Next(All.Length)];
+        var chosenMapIndex = Random.Shared.Next(_maps.Count);
+        var chosenMapName = _maps.Keys.Skip(chosenMapIndex).First();
+        Current = new Map(chosenMapName, _maps[chosenMapName]);
     }
 
-    private static Map LoadMapPng(string file)
+    private void LoadMapPng(string file)
     {
         using var image = Image.Load<Rgba32>(file);
 
@@ -39,10 +44,10 @@ internal sealed class MapService
         for (var x = 0; x < image.Width; x++)
             walls[x, y] = image[x, y] == whitePixel;
 
-        return new Map(Path.GetFileName(file),walls);
+        _maps.Add(Path.GetFileName(file), walls);
     }
 
-    private static Map LoadMapString(string file)
+    private void LoadMapString(string file)
     {
         var map = File.ReadAllText(file).ReplaceLineEndings(string.Empty).Trim();
         if (map.Length != TilesPerColumn * TilesPerRow)
@@ -65,7 +70,15 @@ internal sealed class MapService
             }
         }
 
-        return new Map(Path.GetFileName(file), walls);
+        _maps.Add(Path.GetFileName(file), walls);
+    }
+
+    public bool TrySwitchTo(string name)
+    {
+        if (!_maps.TryGetValue(name, out var mapData))
+            return false;
+        Current = new Map(name, mapData);
+        return true;
     }
 }
 
@@ -90,4 +103,6 @@ internal sealed class Map(string name, bool[,] walls)
 
         return false;
     }
+
+    public void DestroyWallAt(PixelPosition pixel) => walls[pixel.X, pixel.Y] = false;
 }

TanksServer/Interactivity/AppSerializerContext.cs

@@ -6,5 +6,5 @@ namespace TanksServer.Interactivity;
 [JsonSerializable(typeof(IEnumerable<Player>))]
 [JsonSerializable(typeof(Guid))]
 [JsonSerializable(typeof(NameId))]
-[JsonSerializable(typeof(Dictionary<int, string>))]
+[JsonSerializable(typeof(IEnumerable<string>))]
 internal sealed partial class AppSerializerContext : JsonSerializerContext;

TanksServer/Program.cs

@@ -73,19 +73,14 @@ public static class Program
             return Results.Empty;
         });
 
-        app.MapGet("/map", () =>
-        {
-            var dict = mapService.All
-                .Select((m, i) => (m.Name, i))
-                .ToDictionary(pair => pair.i, pair => pair.Name);
-            return dict;
-        });
+        app.MapGet("/map", () =>mapService.MapNames);
 
-        app.MapPost("/map", ([FromQuery] int index) =>
+        app.MapPost("/map", ([FromQuery] string name) =>
         {
-            if (index < 0 || index >= mapService.All.Length)
-                return Results.NotFound("index does not exist");
-            mapService.Current = mapService.All[index];
+            if (string.IsNullOrWhiteSpace(name))
+                return Results.BadRequest("invalid map name");
+            if (!mapService.TrySwitchTo(name))
+                return Results.NotFound("map with name not found");
             return Results.Ok();
         });
 

TanksServer/appsettings.json

@@ -1,33 +1,33 @@
 {
-    "Logging": {
-        "LogLevel": {
-            "Default": "Information",
-            "Microsoft.AspNetCore": "Warning",
-            "TanksServer": "Debug",
-            "Microsoft.AspNetCore.HttpLogging": "Information"
-        }
-    },
-    "AllowedHosts": "*",
-    "Kestrel": {
-        "Endpoints": {
-            "Http": {
-                "Url": "http://localhost:3000"
-            }
-        }
-    },
-    "ServicePointDisplay": {
-        "Enable": true,
-        "Hostname": "172.23.42.29",
-        "Port": 2342
-    },
-    "Tanks": {
-        "MoveSpeed": 1.5,
-        "TurnSpeed": 0.02,
-        "ShootDelayMs": 450,
-        "BulletSpeed":4
-    },
-    "Players": {
-        "SpawnDelayMs": 3000,
-        "IdleTimeoutMs": 30000
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning",
+      "TanksServer": "Debug",
+      "Microsoft.AspNetCore.HttpLogging": "Information"
     }
+  },
+  "AllowedHosts": "*",
+  "Kestrel": {
+    "Endpoints": {
+      "Http": {
+        "Url": "http://localhost:3000"
+      }
+    }
+  },
+  "ServicePointDisplay": {
+    "Enable": true,
+    "Hostname": "172.23.42.29",
+    "Port": 2342
+  },
+  "Tanks": {
+    "MoveSpeed": 1.5,
+    "TurnSpeed": 0.02,
+    "ShootDelayMs": 450,
+    "BulletSpeed": 3
+  },
+  "Players": {
+    "SpawnDelayMs": 3000,
+    "IdleTimeoutMs": 30000
+  }
 }