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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "engines/stark/formats/tm.h"
#include "graphics/surface.h"
#include "engines/stark/gfx/driver.h"
#include "engines/stark/gfx/texture.h"
#include "engines/stark/formats/biff.h"
#include "engines/stark/services/archiveloader.h"
#include "engines/stark/services/services.h"
namespace Stark {
namespace Formats {
enum TextureSetType {
kTextureSetGroup = 0x02faf082,
kTextureSetTexture = 0x02faf080
};
class TextureGroup : public BiffObject {
public:
static const uint32 TYPE = kTextureSetGroup;
TextureGroup() :
BiffObject(),
_palette(nullptr) {
_type = TYPE;
}
virtual ~TextureGroup() {
delete[] _palette;
}
const byte *getPalette() {
return _palette;
}
// BiffObject API
void readData(ArchiveReadStream *stream, uint32 dataLength) override {
int entries = stream->readUint32LE();
_palette = new byte[entries * 3];
byte *ptr = _palette;
for (int i = 0; i < entries; ++i) {
*ptr++ = (byte) stream->readUint16LE();
*ptr++ = (byte) stream->readUint16LE();
*ptr++ = (byte) stream->readUint16LE();
}
}
private:
byte *_palette;
};
class Texture : public BiffObject {
public:
static const uint32 TYPE = kTextureSetTexture;
Texture() :
BiffObject(),
_texture(nullptr) {
_type = TYPE;
}
virtual ~Texture() {
delete _texture;
}
Common::String getName() const {
return _name;
}
Gfx::Texture *acquireTexturePointer() {
Gfx::Texture *texture = _texture;
_texture = nullptr;
return texture;
}
// BiffObject API
void readData(ArchiveReadStream *stream, uint32 dataLength) override {
TextureGroup *textureGroup = static_cast<TextureGroup *>(_parent);
_name = stream->readString16();
_u = stream->readByte();
uint32 w = stream->readUint32LE();
uint32 h = stream->readUint32LE();
uint32 levels = stream->readUint32LE();
_texture = StarkGfx->createTexture();
_texture->setLevelCount(levels);
for (uint32 i = 0; i < levels; ++i) {
// Read the pixel data to a surface
Graphics::Surface level;
level.create(w, h, Graphics::PixelFormat::createFormatCLUT8());
stream->read(level.getPixels(), level.w * level.h);
// Add the mipmap level to the texture
_texture->addLevel(i, &level, textureGroup->getPalette());
level.free();
w /= 2;
h /= 2;
}
}
private:
Common::String _name;
Gfx::Texture *_texture;
byte _u;
};
Gfx::TextureSet *TextureSetReader::read(ArchiveReadStream *stream) {
BiffArchive archive = BiffArchive(stream, &biffObjectBuilder);
Common::Array<Texture *> textures = archive.listObjectsRecursive<Texture>();
Gfx::TextureSet *textureSet = new Gfx::TextureSet();
for (uint i = 0; i < textures.size(); i++) {
textureSet->addTexture(textures[i]->getName(), textures[i]->acquireTexturePointer());
}
return textureSet;
}
BiffObject *TextureSetReader::biffObjectBuilder(uint32 type) {
switch (type) {
case kTextureSetGroup:
return new TextureGroup();
case kTextureSetTexture:
return new Texture();
default:
return nullptr;
}
}
} // End of namespace Formats
} // End of namespace Stark
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