92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
|
|
* This file is part of 0 A.D.
|
|
*
|
|
* 0 A.D. is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 0 A.D. is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <vector>
|
|
|
|
typedef unsigned int ILuint;
|
|
|
|
namespace DatafileIO
|
|
{
|
|
class SeekableInputStream;
|
|
class OutputStream;
|
|
|
|
class DDTFile
|
|
{
|
|
public:
|
|
enum FileType { TGA, BMP, DDT };
|
|
|
|
// Initialises the file, but doesn't actually read anything
|
|
DDTFile(SeekableInputStream& stream);
|
|
|
|
~DDTFile();
|
|
|
|
// Attempts to read the file, and returns true on success
|
|
bool Read(FileType type);
|
|
|
|
bool SaveFile(OutputStream& stream, FileType outputType);
|
|
|
|
// All arguments are outputs. buffer is allocated by malloc, and
|
|
// must be freed by the caller. If realAlpha is true, the buffer
|
|
// will be RGBA, else it'll be RGB (with height doubled and the alpha
|
|
// stuck on the bottom)
|
|
bool GetImageData(void*& buffer, int& width, int& height, bool realAlpha);
|
|
|
|
enum Type_Usage {
|
|
UNK0 = 0, // ??
|
|
UNK1 = 1, // ??
|
|
BUMP = 6,
|
|
UNK2 = 7, // ??
|
|
CUBE = 8
|
|
};
|
|
enum Type_Alpha {
|
|
NONE = 0, // ??
|
|
PLAYER = 1, // ?? }
|
|
TRANS = 4, // ?? } these names are completely incorrect
|
|
BLEND = 8, // mostly unused
|
|
};
|
|
enum Type_Format {
|
|
BGRA = 1,
|
|
DXT1 = 4,
|
|
GREY = 7,
|
|
DXT3 = 8,
|
|
NORMSPEC = 9 // DXT5, with spec in R channel, XYZ in AGB channels.
|
|
// (See e.g. http://www.ati.com/developer/NormalMapCompression.pdf)
|
|
};
|
|
|
|
// (These values are not guaranteed to actually be in the enums)
|
|
Type_Usage m_Type_Usage;
|
|
Type_Alpha m_Type_Alpha;
|
|
Type_Format m_Type_Format;
|
|
|
|
int m_Type_Levels; // of mipmaps
|
|
|
|
// struct Image
|
|
// {
|
|
// int width, height;
|
|
// off_t offset;
|
|
// size_t length;
|
|
// };
|
|
// std::vector<Image> m_Images;
|
|
ILuint m_Image;
|
|
|
|
private:
|
|
SeekableInputStream& m_Stream;
|
|
|
|
DDTFile& operator=(const DDTFile&);
|
|
};
|
|
}
|