Implemented eroder.

Game/Assets/Scripts/Model/Config/TerrainGeneratorConfig.cs

@@ -20,5 +20,14 @@ namespace Assets.Scripts.Model.Config
 
         [XmlElement("waterNonLinearPower")]
         public float WaterNonLinearPower { get; set; }
+
+        [XmlElement("erodePoints")]
+        public int ErodePoints { get; set; }
+
+        [XmlElement("erodeIterations")]
+        public int ErodeIterations { get; set; }
+
+        [XmlElement("erodeAmountPercent")]
+        public float ErodeAmountPercent { get; set; }
     }
 }

Game/Assets/Scripts/Model/Map.cs

@@ -24,7 +24,7 @@ namespace TransportGame.Model
         public Biome Biome { get; set; }
 
         /// <summary>
-        /// Gets the heights array
+        /// Gets the heights array in range [0,1]
         /// </summary>
         [XmlIgnore()]
         public float[,] Heights
@@ -102,7 +102,7 @@ namespace TransportGame.Model
         }
 
         /// <summary>
-        /// Gets or sets the cell at specified position
+        /// Gets or sets the cell at specified position in range [0, Biome.Height]
         /// </summary>
         /// <param name="x">X</param>
         /// <param name="y">Y</param>
@@ -112,11 +112,11 @@ namespace TransportGame.Model
         {
             get
             {
-                return grid[x, y];
+                return grid[x, y] * Biome.Height;
             }
             set
             {
-                grid[x, y] = value;
+                grid[x, y] = value / Biome.Height;
             }
         }
 
@@ -140,7 +140,18 @@ namespace TransportGame.Model
         /// <returns></returns>
         public bool IsWater(int x, int y)
         {
-            return grid[x, y] * Biome.Height <= WaterLevel;
+            return this[x, y] <= WaterLevel;
+        }
+
+        /// <summary>
+        /// Returns true if given coordinates is inside the map
+        /// </summary>
+        /// <param name="x">X</param>
+        /// <param name="y">Y</param>
+        /// <returns>True if coordinates are inside the map</returns>
+        public bool IsInside(int x, int y)
+        {
+            return x >= 0 && y >= 0 && x < Width && y < Height;
         }
     }
 }