X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=CarFire%2FCarFire%2FCarFire%2FMap.cs;h=b61f2bbcb1eef2f8e0e556efdcff645b3daf5d63;hb=26bf916b7a42c6b33ae720aa9a41e3de752961d1;hp=ed8c39fd1957986f0014a404d44c702ed982bfe3;hpb=c5daf1d9adca0c3a826dfa2ac7b6d4f8a64c84a3;p=chaz%2Fcarfire
diff --git a/CarFire/CarFire/CarFire/Map.cs b/CarFire/CarFire/CarFire/Map.cs
index ed8c39f..b61f2bb 100644
--- a/CarFire/CarFire/CarFire/Map.cs
+++ b/CarFire/CarFire/CarFire/Map.cs
@@ -2,11 +2,11 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
-using Microsoft.Xna.Framework;
using System.IO;
-using System.Text.RegularExpressions;
using System.Runtime.Serialization;
using System.Diagnostics;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
namespace CarFire
{
@@ -18,20 +18,21 @@ namespace CarFire
///
public class Map
{
- #region Types
+ // DEBUG: Tilesets not implemented at all.
+ public static Texture2D DefaultTile;
- public class Data
- {
- public string Author;
- public string Name;
- public int MinNumPlayers;
- public int MaxNumPlayers;
- public Point Dimensions;
- public string Tileset; // TODO: this should be a tilemap object
- public Type Type;
- public char[,] Grid;
- }
-
+ #region Public Constants
+
+ public const float PixelsToUnitSquares = 64.0f;
+
+ #endregion
+
+
+ #region Public Types
+
+ ///
+ /// The type of a map helps determine how the map is intended to be used.
+ ///
public enum Type
{
None,
@@ -39,12 +40,301 @@ namespace CarFire
Battle
}
+ ///
+ /// The container class for map metadata.
+ ///
+ public class Metadata
+ {
+ public string Name;
+ public Type Type;
+ public string Author;
+ public HashSet NumPlayers = new HashSet();
+ public string Tileset;
+ public int GridWidth;
+ public int GridHeight;
+ }
+
+ #endregion
+
+
+ #region Public Attributes
+
+ ///
+ /// Get the name of the map.
+ ///
+ public string Name { get { return mData.Metadata.Name; } }
+
+ ///
+ /// Get the type of the map.
+ ///
+ //public Type Type { get { return mData.mMetadata.Type; } }
+
+ ///
+ /// Get the author of the map.
+ ///
+ public string Author { get { return mData.Metadata.Author; } }
+
+ ///
+ /// Get a set of integers containing each allowable number of players.
+ ///
+ public HashSet NumPlayers { get { return mData.Metadata.NumPlayers; } }
+
+ ///
+ /// Get the width of the map, in grid units.
+ ///
+ public int Width { get { return mData.Metadata.GridWidth; } }
+
+ ///
+ /// Get the height of the map, in grid units.
+ ///
+ public int Height { get { return mData.Metadata.GridHeight; } }
+
+ // TODO: This should return whatever object we end up using for tilesets.
+ public string Tileset { get { return mData.Metadata.Tileset; } }
+
+
+ public Vector2 CenterCell
+ {
+ get { return mView.CenterCell; }
+ set { mView.CenterCell = value; }
+ }
+
+ #endregion
+
+
+ #region Public Methods
+
+ ///
+ /// Construct a map with the provided map data.
+ ///
+ /// Map data.
+ public Map(Metadata metadata, char[,] grid, Dictionary> entities)
+ {
+ mData = new Modal(metadata, grid, entities);
+ mView = new View(mData);
+ }
+
+
+ ///
+ /// Draw a representation of the map to the screen.
+ ///
+ /// The jeewiz.
+ public void Draw(SpriteBatch spriteBatch)
+ {
+ mView.Draw(spriteBatch);
+ }
+
+
+ ///
+ /// Get a point in screen-space from a coordinate in gridspace.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ /// Transformed point.
+ public Point GetPointFromCoordinates(float x, float y)
+ {
+ return mView.GetPointFromCoordinates(x, y);
+ }
+
+ ///
+ /// Get a point in screen-space from a coordinate in gridspace.
+ ///
+ /// X,Y-coordinates.
+ /// Transformed point.
+ public Point GetPointFromCoordinates(Vector2 point)
+ {
+ return mView.GetPointFromCoordinates(point.X, point.Y);
+ }
+
+ ///
+ /// Get a rectangle in screen-space centered around a coordinate in gridspace.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ /// Transformed rectangle.
+ public Rectangle GetRectangleFromCoordinates(float x, float y)
+ {
+ return mView.GetRectangleFromCoordinates(x, y);
+ }
+
+ ///
+ /// Get a rectangle in screen-space centered around a coordinate in gridspace.
+ ///
+ /// X,Y-coordinates.
+ /// Transformed rectangle.
+ public Rectangle GetRectangleFromCoordinates(Vector2 point)
+ {
+ return mView.GetRectangleFromCoordinates(point.X, point.Y);
+ }
+
+
+ ///
+ /// Determine whether or not a cell can be occupied by a game entity.
+ ///
+ /// X-coordinate.
+ /// Y-coordinate.
+ /// True if cell can be occupied, false otherwise.
+ public bool IsCellOpen(int x, int y)
+ {
+ return mData.IsCellOpen(x, y);
+ }
+
+ ///
+ /// Determine whether or not a cell can be occupied by a game entity.
+ ///
+ /// X,Y-coordinates.
+ /// True if cell can be occupied, false otherwise.
+ public bool IsCellOpen(Point point)
+ {
+ return mData.IsCellOpen(point.X, point.Y);
+ }
+
+
+ ///
+ /// Get the entities loaded from the map file.
+ ///
+ /// Dictionary of entities. The keys are the entity
+ /// identifiers and the value is a dictionary of key-value pairs
+ /// associated with that entity.
+ public Dictionary> GetEntities()
+ {
+ return mData.Entities;
+ }
+
#endregion
- public Map(Data data)
+ #region Private Types
+
+ class Modal
+ {
+ Metadata mMetadata;
+ char[,] mGrid;
+ Dictionary> mEntities;
+
+ public Modal(Metadata metadata, char[,] grid, Dictionary> entities)
+ {
+ Debug.Assert(metadata != null);
+ Debug.Assert(grid != null);
+ Debug.Assert(entities != null);
+ Debug.Assert(metadata.GridWidth * metadata.GridHeight == grid.Length);
+
+ mMetadata = metadata;
+ mGrid = grid;
+ mEntities = entities;
+
+#if DEBUG
+ Console.WriteLine("Loaded map {0} of type {1} written by {2}.",
+ metadata.Name,
+ metadata.Type,
+ metadata.Author);
+#endif
+ }
+
+
+ public Metadata Metadata { get { return mMetadata; } }
+ public Dictionary> Entities { get { return mEntities; } }
+
+
+ public bool IsCellOpen(int x, int y)
+ {
+ // TODO: Still need to define characters for types of scenery.
+ return mGrid[x, y] == ' ';
+ }
+ }
+
+ class View
{
- Console.WriteLine("Read map " + data.Name + " of type " + data.Type + " written by " + data.Author);
+ Modal mData;
+
+ public Vector2 CenterCell;
+ Viewport mViewport;
+
+
+ public View(Modal data)
+ {
+ Debug.Assert(data != null);
+ mData = data;
+ }
+
+ public void Draw(SpriteBatch spriteBatch)
+ {
+ mViewport = spriteBatch.GraphicsDevice.Viewport;
+
+ // TODO: There is no culling yet, but it runs so fast that it probably won't ever need it.
+ for (int y = 0; y < mData.Metadata.GridHeight; y++)
+ {
+ for (int x = 0; x < mData.Metadata.GridWidth; x++)
+ {
+ if (mData.IsCellOpen(x, y))
+ {
+ spriteBatch.Draw(Map.DefaultTile, GetRectangleFromCoordinates(x, y), Color.White);
+ }
+ else
+ {
+ spriteBatch.Draw(Map.DefaultTile, GetRectangleFromCoordinates(x, y), Color.DarkBlue);
+ }
+ }
+ }
+ }
+
+ ///
+ /// Get a matrix to transform a point from grid-space to screen coordinates. This
+ /// method uses the viewport to bound the edges of the map such that the camera
+ /// will not show anything outside of the grid.
+ ///
+ /// The point to put in the center.
+ /// The transformation matrix.
+ Matrix GetTransformation(Vector2 center)
+ {
+ float halfRatio = PixelsToUnitSquares * 0.5f;
+ Matrix transform = Matrix.CreateTranslation(-center.X, -center.Y, 0.0f);
+ transform *= Matrix.CreateScale(PixelsToUnitSquares);
+ transform *= Matrix.CreateTranslation(mViewport.Width * 0.5f - halfRatio,
+ mViewport.Height * 0.5f - halfRatio, 0.0f);
+
+ Vector2 topLeft = Vector2.Transform(new Vector2(0.0f, 0.0f), transform);
+ topLeft.X = Math.Max(mViewport.X, topLeft.X);
+ topLeft.Y = Math.Max(mViewport.Y, topLeft.Y);
+ transform *= Matrix.CreateTranslation(-topLeft.X, -topLeft.Y, 0.0f);
+
+ Vector2 bottomRight = Vector2.Transform(new Vector2((float)mData.Metadata.GridWidth,
+ (float)mData.Metadata.GridHeight), transform);
+ float right = mViewport.X + mViewport.Width;
+ float bottom = mViewport.Y + mViewport.Height;
+ bottomRight.X = Math.Min(right, bottomRight.X) - right;
+ bottomRight.Y = Math.Min(bottom, bottomRight.Y) - bottom;
+ transform *= Matrix.CreateTranslation(-bottomRight.X, -bottomRight.Y, 0.0f);
+
+ return transform;
+ }
+
+
+ public Point GetPointFromCoordinates(float x, float y)
+ {
+ Matrix transform = GetTransformation(CenterCell);
+ Vector2 point = Vector2.Transform(new Vector2(x, y), transform);
+
+ return new Point((int)point.X, (int)point.Y);
+ }
+
+ public Rectangle GetRectangleFromCoordinates(float x, float y)
+ {
+ Matrix transform = GetTransformation(CenterCell);
+ Vector2 point = Vector2.Transform(new Vector2(x, y), transform);
+
+ return new Rectangle((int)point.X, (int)point.Y, (int)PixelsToUnitSquares, (int)PixelsToUnitSquares);
+ }
}
+
+ #endregion
+
+
+ #region Private Variables
+
+ Modal mData;
+ View mView;
+
+ #endregion
}
}