X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=CarFire%2FCarFire%2FCarFire%2FTilemap.cs;fp=CarFire%2FCarFire%2FCarFire%2FTilemap.cs;h=d0441083c4810a181e8072414890a38f179c82e2;hb=fc34f843ea42a3496a7ff5dd04853695ba628e8b;hp=0000000000000000000000000000000000000000;hpb=b5eebc2087c00bb67b3a3b9ddcec4743aa7a8cdb;p=chaz%2Fcarfire

diff --git a/CarFire/CarFire/CarFire/Tilemap.cs b/CarFire/CarFire/CarFire/Tilemap.cs
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+++ b/CarFire/CarFire/CarFire/Tilemap.cs
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Diagnostics;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Graphics;
+namespace CarFire
+{
+    /// <summary>
+    /// Small wrapper around a texture to provide easy access to
+    /// tile rectangles.
+    /// </summary>
+    public class Tilemap
+    {
+        #region Public Properties
+
+        /// <summary>
+        /// Get the texture for this tilemap.
+        /// </summary>
+        public Texture2D Texture { get { return mTexture; } }
+
+        #endregion
+
+
+        #region Public Methods
+
+        /// <summary>
+        /// Construct a tilemap with a texture and dimensions in
+        /// tiles.
+        /// </summary>
+        /// <param name="texture">The texture.</param>
+        /// <param name="width">Number of tiles across.</param>
+        /// <param name="height">Number of tiles down.</param>
+        public Tilemap(Texture2D texture, int width, int height)
+        {
+            mTexture = texture;
+            mWidth = width;
+            mHeight = height;
+            mTileW = mTexture.Width / mWidth;
+            mTileH = mTexture.Height / mHeight;
+        }
+
+
+        /// <summary>
+        /// Get a tile rectangle from a tile coordinate.
+        /// </summary>
+        /// <param name="point">Tile coordinates; [0,0] being the
+        /// top-left tile.</param>
+        /// <returns>Rectangle surrounding the tile.</returns>
+        public Rectangle GetRectangleForTile(Point point)
+        {
+            return GetRectangleForTile(point.X, point.Y);
+        }
+
+        /// <summary>
+        /// Get a tile rectangle from a tile coordinate
+        /// </summary>
+        /// <param name="x">X-coordinate.</param>
+        /// <param name="y">Y-coordinate.</param>
+        /// <returns>Rectangle surrounding the tile.</returns>
+        public Rectangle GetRectangleForTile(int x, int y)
+        {
+            Debug.Assert(0 <= x && x < mWidth && 0 <= y && y < mHeight);
+            return new Rectangle(x * mTileW, y * mTileH, mTileW, mTileH);
+        }
+
+        /// <summary>
+        /// Get a tile rectangle from a tile character.
+        /// </summary>
+        /// <param name="tile">Tile character.</param>
+        /// <returns>Rectangle surrounding the tile.</returns>
+        public Rectangle GetRectangleForTile(char tile)
+        {
+            return mTiles[tile];
+        }
+
+
+        /// <summary>
+        /// Associate a tile character with tile coordinates.  This
+        /// lets you access tile rectangles by character.
+        /// </summary>
+        /// <param name="tile">Tile character.</param>
+        /// <param name="point">Coordinates.</param>
+        public void SetTile(char tile, Point point)
+        {
+            mTiles.Add(tile, GetRectangleForTile(point));
+        }
+
+
+        /// <summary>
+        /// Draw a tile to the screen.
+        /// </summary>
+        /// <param name="spriteBatch">The b2bomber.</param>
+        /// <param name="tile">The tile.</param>
+        /// <param name="screenRect">The screen rectangle to draw at.</param>
+        public void Draw(SpriteBatch spriteBatch, char tile, Rectangle screenRect)
+        {
+            spriteBatch.Draw(mTexture, screenRect, GetRectangleForTile(tile), Color.White);
+        }
+
+        #endregion
+
+
+        #region Private Variables
+
+        Texture2D mTexture;
+        int mWidth;
+        int mHeight;
+        int mTileW;
+        int mTileH;
+        Dictionary<char, Rectangle> mTiles = new Dictionary<char, Rectangle>();
+
+        #endregion
+    }
+}