1 files changed, 89 insertions, 0 deletions
diff --git a/V3/Map/Tileset.cs b/V3/Map/Tileset.cs
new file mode 100644
index 0000000..aa12885
--- /dev/null
+++ b/V3/Map/Tileset.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+
+namespace V3.Map
+{
+    /// <summary>
+    /// Class for holding information needed of Tilesets. Needed to draw the map.
+    /// </summary>
+    public sealed class Tileset
+    {
+        private const int CellHeight = Constants.CellHeight;
+        private const int CellWidth = Constants.CellWidth;
+
+        /// <summary>
+        /// Name of the tileset, often the filename.
+        /// </summary>
+        public string Name { get; }
+        /// <summary>
+        /// Tile width of each tile in pixel.
+        /// </summary>
+        public int TileWidth { get; }
+        /// <summary>
+        /// Tile height of each tile in pixel.
+        /// </summary>
+        public int TileHeight { get; }
+
+        /// <summary>
+        /// Columns of tiles of the tileset image.
+        /// </summary>
+        public int Columns { get; private set; }
+        /// <summary>
+        /// When tile is drawn, is there an offset needed on the X axis for correct display.
+        /// </summary>
+        public int OffsetX { get; private set; }
+        /// <summary>
+        ///         
+        /// When tile is drawn, is there an offset needed on the Y axis for correct display.
+        /// </summary>
+        public int OffsetY { get; private set; }
+        /// <summary>
+        /// Each tile of the tileset, represented by an integer, can hold collision data consisting of a two dimensional
+        /// array of boolean values. Its size is described by CollisionWidth and CollisionHeight.
+        /// </summary>
+        public Dictionary<int, bool[,]> TileCollisions { get; }
+        public int CollisionWidth => TileWidth / CellWidth;
+        public int CollisionHeight => TileHeight / CellHeight;
+
+        public Tileset(string name, int tileWidth, int tileHeight, int columns, int offsetX = 0, int offsetY = 0)
+        {
+            Name = name;
+            TileWidth = tileWidth;
+            TileHeight = tileHeight;
+            Columns = columns;
+            OffsetX = offsetX;
+            OffsetY = offsetY;
+            // TODO: Fill dictionary with TiledParser.
+            TileCollisions = new Dictionary<int, bool[,]>();
+        }
+
+        /// <summary>
+        /// Add an entry to the collision dictionary for the specific tile.
+        /// </summary>
+        /// <param name="tileId">The tile ID in the tileset.</param>
+        /// <param name="collisionData">The corresponding collision data as string of '0' and '1'.</param>
+        public void AddCollisionData(int tileId, string collisionData)
+        {
+            int gridWidth = CollisionWidth;
+            int gridHeight = CollisionHeight;
+            bool[,] dataArray = new bool[gridHeight, gridWidth];
+            for (int i = 0; i < gridHeight; i++)
+            {
+                for (int j = 0; j < gridWidth; j++)
+                {
+                    try
+                    {
+                        dataArray[i, j] = collisionData[i * gridWidth + j] == '1';
+                    }
+                    catch (IndexOutOfRangeException e)
+                    {
+                        throw new IndexOutOfRangeException("Inconsistencies with the collision data of Tile " 
+                            + tileId + " in tileset " + Name + ". Check corresponding tmx file or" +
+                            "contact the programmer: Thomas.", e);
+                    }
+                }
+            }
+            TileCollisions.Add(tileId, dataArray);
+        }
+    }
+}
+\ No newline at end of file