100 lines
2.1 KiB
C#
100 lines
2.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using OpenRA.FileFormats;
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using OpenRA.Graphics;
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namespace OpenRA.Mods.Common.SpriteLoaders
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{
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public class TmpTDLoader : ISpriteLoader
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{
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class TmpTDFrame : ISpriteFrame
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{
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public Size Size { get; private set; }
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public Size FrameSize { get; private set; }
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public float2 Offset { get { return float2.Zero; } }
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public byte[] Data { get; set; }
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public bool DisableExportPadding { get { return false; } }
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public TmpTDFrame(byte[] data, Size size)
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{
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FrameSize = size;
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Data = data;
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if (data == null)
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Data = new byte[0];
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else
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Size = size;
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}
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}
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bool IsTmpTD(Stream s)
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{
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var start = s.Position;
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s.Position += 16;
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var a = s.ReadUInt32();
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var b = s.ReadUInt32();
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s.Position = start;
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return a == 0 && b == 0x0D1AFFFF;
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}
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TmpTDFrame[] ParseFrames(Stream s)
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{
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var start = s.Position;
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var width = s.ReadUInt16();
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var height = s.ReadUInt16();
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var size = new Size(width, height);
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s.Position += 8;
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var imgStart = s.ReadUInt32();
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s.Position += 8;
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var indexEnd = s.ReadInt32();
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var indexStart = s.ReadInt32();
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s.Position = indexStart;
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var count = indexEnd - indexStart;
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var tiles = new TmpTDFrame[count];
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var tilesIndex = 0;
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foreach (var b in s.ReadBytes(count))
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{
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if (b != 255)
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{
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s.Position = imgStart + b * width * height;
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tiles[tilesIndex++] = new TmpTDFrame(s.ReadBytes(width * height), size);
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}
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else
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tiles[tilesIndex++] = new TmpTDFrame(null, size);
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}
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s.Position = start;
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return tiles;
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}
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public bool TryParseSprite(Stream s, out ISpriteFrame[] frames)
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{
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if (!IsTmpTD(s))
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{
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frames = null;
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return false;
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}
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frames = ParseFrames(s);
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return true;
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}
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}
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}
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