Files
OpenRA/OpenRA.Editor/TileSetRenderer.cs
2013-12-08 17:51:18 +13:00

113 lines
3.0 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see COPYING.
*/
#endregion
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using OpenRA.FileFormats;
namespace OpenRA.Editor
{
public class TileSetRenderer
{
public TileSet TileSet;
Dictionary<ushort, List<byte[]>> templates;
public Size TileSize;
List<byte[]> LoadTemplate(string filename, string[] exts, Dictionary<string, ISpriteSource> sourceCache, int[] frames)
{
ISpriteSource source;
if (!sourceCache.ContainsKey(filename))
{
using (var s = FileSystem.OpenWithExts(filename, exts))
source = SpriteSource.LoadSpriteSource(s, filename);
if (source.CacheWhenLoadingTileset)
sourceCache.Add(filename, source);
}
else
source = sourceCache[filename];
if (frames != null)
{
var ret = new List<byte[]>();
var srcFrames = source.Frames.ToArray();
foreach (var i in frames)
ret.Add(srcFrames[i].Data);
return ret;
}
return source.Frames.Select(f => f.Data).ToList();
}
public TileSetRenderer(TileSet tileset, Size tileSize)
{
this.TileSet = tileset;
this.TileSize = tileSize;
templates = new Dictionary<ushort, List<byte[]>>();
var sourceCache = new Dictionary<string, ISpriteSource>();
foreach (var t in TileSet.Templates)
templates.Add(t.Key, LoadTemplate(t.Value.Image, tileset.Extensions, sourceCache, t.Value.Frames));
}
public Bitmap RenderTemplate(ushort id, Palette p)
{
var template = TileSet.Templates[id];
var templateData = templates[id];
var bitmap = new Bitmap(TileSize.Width * template.Size.X, TileSize.Height * template.Size.Y,
PixelFormat.Format8bppIndexed);
bitmap.Palette = p.AsSystemPalette();
var data = bitmap.LockBits(bitmap.Bounds(),
ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
unsafe
{
var q = (byte*)data.Scan0.ToPointer();
var stride = data.Stride;
for (var u = 0; u < template.Size.X; u++)
{
for (var v = 0; v < template.Size.Y; v++)
{
var rawImage = templateData[u + v * template.Size.X];
if (rawImage != null && rawImage.Length > 0)
{
for (var i = 0; i < TileSize.Width; i++)
for (var j = 0; j < TileSize.Height; j++)
q[(v * TileSize.Width + j) * stride + u * TileSize.Width + i] = rawImage[i + TileSize.Width * j];
}
else
{
for (var i = 0; i < TileSize.Width; i++)
for (var j = 0; j < TileSize.Height; j++)
q[(v * TileSize.Width + j) * stride + u * TileSize.Width + i] = 0;
}
}
}
}
bitmap.UnlockBits(data);
return bitmap;
}
public List<byte[]> Data(ushort id)
{
return templates[id];
}
}
}