load maps from text files on server start

TanksServer/GameLogic/MapService.cs

@@ -1,3 +1,5 @@
+using System.IO;
+
 namespace TanksServer.GameLogic;
 
 internal sealed class MapService
@@ -7,31 +9,33 @@ internal sealed class MapService
     public const ushort TileSize = 8;
     public const ushort PixelsPerRow = TilesPerRow * TileSize;
     public const ushort PixelsPerColumn = TilesPerColumn * TileSize;
+    private readonly string _map;
+    private readonly ILogger<MapService> _logger;
 
-    private readonly string _map =
-        """
-            #######.##########################.#########
-            #...................##.....................#
-            #...................##.....................#
-            #.....####......................####.......#
-            #..........................................#
-            #............###...........###.............#
-            #............#...............#.............#
-            #...##.......#....#....#.....#......##.....#
-            #....#..............................#......#
-            .....#...#......................#...#.......
-            .....#...#......................#...#.......
-            #....#..............................#......#
-            #...##.......#....#....#.....#......##.....#
-            #............#...............#.............#
-            #............###...........###.............#
-            #..........................................#
-            #.....####......................####.......#
-            #...................##.....................#
-            #...................##.....................#
-            #######.##########################.#########
-            """
-            .ReplaceLineEndings(string.Empty);
+    private string[] LoadMaps() => Directory.EnumerateFiles("./assets/maps/", "*.txt")
+        .Select(LoadMap)
+        .Where(s => s != null)
+        .Select(s => s!)
+        .ToArray();
+
+    private string? LoadMap(string file)
+    {
+        var text = File.ReadAllText(file).ReplaceLineEndings(string.Empty).Trim();
+        if (text.Length != TilesPerColumn * TilesPerRow)
+        {
+            _logger.LogWarning("cannot load map {}: invalid length", file);
+            return null;
+        }
+
+        return text;
+    }
+
+    public MapService(ILogger<MapService> logger)
+    {
+        _logger = logger;
+        var maps = LoadMaps();
+        _map = maps[Random.Shared.Next(0, maps.Length)];
+    }
 
     private char this[int tileX, int tileY] => _map[tileX + tileY * TilesPerRow];
 

TanksServer/TanksServer.csproj

@@ -27,6 +27,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0"/>
         <PackageReference Include="SixLabors.ImageSharp" Version="3.1.3"/>
+        <ProjectReference Include="../DisplayCommands/DisplayCommands.csproj"/>
     </ItemGroup>
 
     <ItemGroup>
@@ -40,10 +41,7 @@
         </Content>
         <Content Include="../Makefile"/>
         <Content Include="../.editorconfig"/>
+        <None Include="assets\maps\**" CopyToOutputDirectory="PreserveNewest"/>
     </ItemGroup>
-
-    <ItemGroup>
-        <ProjectReference Include="../DisplayCommands/DisplayCommands.csproj"/>
-    </ItemGroup>
-
+    
 </Project>

TanksServer/assets/maps/buggie.txt

@@ -0,0 +1,20 @@
+######......####################......######
+#..........................................#
+#.....#####......................#####.....#
+#..........#....................#..........#
+#...........#####..........#####...........#
+#..........................................#
+#.........##....................##.........#
+#............#..#..........#..#............#
+#..............#............#..............#
+#.............#..............#.............#
+#....................##....................#
+#....................##....................#
+#....................##....................#
+#.............#......##......#.............#
+#...........#..#............#..#...........#
+#.........#.....#..........#.....#.........#
+#.......#............##............#.......#
+#........#........................#........#
+#..........................................#
+######......####################......######

TanksServer/assets/maps/orig.txt

@@ -0,0 +1,20 @@
+#######.##########################.#########
+#...................##.....................#
+#...................##.....................#
+#.....####......................####.......#
+#..........................................#
+#............###...........###.............#
+#............#...............#.............#
+#...##.......#....#....#.....#......##.....#
+#....#..............................#......#
+.....#...#......................#...#.......
+.....#...#......................#...#.......
+#....#..............................#......#
+#...##.......#....#....#.....#......##.....#
+#............#...............#.............#
+#............###...........###.............#
+#..........................................#
+#.....####......................####.......#
+#...................##.....................#
+#...................##.....................#
+#######.##########################.#########

TanksServer/assets/maps/tanks.txt

@@ -0,0 +1,20 @@
+#####......................................#
+..#........................................#
+..#........................................#
+..#......###...............................#
+..#.....#...#..............................#
+........#####..............................#
+........#...#...#...#......................#
+........#...#...##..#......................#
+................#.# #......................#
+................#..##...#...#..............#
+................#...#...#..#...............#
+........................###................#
+........................#..#......###......#
+........................#...#...#..........#
+.................................###.......#
+....................................#...#..#
+................................####....#..#
+........................................#..#
+...........................................#
+........................................#..#

TanksServer/assets/maps/upside_down.txt

@@ -0,0 +1,20 @@
+............................................
+#.........##.....#.........................#
+#........#..#..............................#
+#.........##...............................#
+#..................#.......................#
+#.........#........##.............#........#
+#....#.........#....#............#.........#
+#....#.....................................#
+#............#.............#..........#....#
+#.........##.....#......................#..#
+#........#..#..............................#
+#.........##..................#............#
+#..........................................#
+#....#..............#...........#..........#
+#....................#...##...#............#
+#..........##..........#....#.........#....#
+#.........#...#........#....#..............#
+#.........#...#......#...##...#............#
+#..........##......#............#.......#..#
+............................................

tank-frontend/src/ClientScreen.css

@@ -6,4 +6,7 @@
     max-width: 100vw;
     max-height: 100vh;
     flex-shrink: 0;
+
+    border: solid var(--border-size-thick);
+    border-color: var(--color-primary);
 }

tank-frontend/src/Controls.css

@@ -14,7 +14,7 @@
 kbd {
     --kbd-key-size: 2em;
 
-    background: var(--color-secondary);
+    background: var(--color-primary);
     padding: var(--padding-normal);
     display: block;