Initial commit

model/Point.cs

@@ -0,0 +1,18 @@
+using System.Numerics;
+
+namespace Snake.Model;
+
+// 0,0 is top left
+public readonly record struct Point{
+    public readonly int X;
+    public readonly int Y;
+
+    public Point(int x, int y){
+        X = x;
+        Y = y;
+    }
+
+    public static implicit operator Point((int x, int y) tuple){
+        return new Point(tuple.x, tuple.y);
+    }
+}

model/SnakeLevel.cs

@@ -0,0 +1,63 @@
+using System.Collections.ObjectModel;
+
+namespace Snake.Model;
+
+public class SnakeLevel{
+    public int Size {get; }
+
+    public enum LevelBlock{
+        Empty,
+        Obstacle,
+        Egg,
+        Snake,
+        SnakeHead
+    }
+
+    public enum SnakeDirection{
+        Up,
+        Down,
+        Left,
+        Right
+    }
+
+    private readonly List<Point> _obstacles;
+    public ReadOnlyCollection<Point> Obstacles => _obstacles.AsReadOnly();
+    public Point SnakeHead {get; private set;}
+    private readonly List<Point> _snake;
+    // Head is not in snake
+    public ReadOnlyCollection<Point> Snake => _snake.AsReadOnly();
+    public int SnakeLength => Snake.Count + 1;
+    private readonly List<Point> _eggs;
+    public ReadOnlyCollection<Point> Eggs => _eggs.AsReadOnly();
+    public SnakeDirection SnakeHeadDirection {get; private set;}
+
+    public SnakeLevel(int size, IEnumerable<Point> obstacles, int snake_start_length){
+        this.Size = size;
+        _obstacles = new List<Point>(obstacles);
+        _eggs = [];
+        _snake = [];
+        
+        SnakeHead = (size / 2, snake_start_length-1);
+        for(int i=0; i<snake_start_length-1; i++){
+            _snake.Add((size / 2, i));
+        }
+
+        SnakeHeadDirection = SnakeDirection.Down;
+    }
+
+    public LevelBlock this[Point p]{
+        get{
+            if(_obstacles.Contains(p)){
+                return LevelBlock.Obstacle;
+            }else if(p == SnakeHead){
+                return LevelBlock.SnakeHead;
+            }else if(_snake.Contains(p)){
+                return LevelBlock.Snake;
+            }else if(_eggs.Contains(p)){
+                return LevelBlock.Egg;
+            }
+
+            return LevelBlock.Empty;
+        }
+    }
+}

model/model.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>