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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* 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 "common/scummsys.h"
#include "common/system.h"
#include "common/config-manager.h"
#include "common/debug.h"
#include "common/debug-channels.h"
#include "common/file.h"
#include "common/error.h"
#include "graphics/surface.h"
#include "graphics/palette.h"
#include "hdb.h"
#include "console.h"
namespace HDB {
HDBGame::HDBGame(OSystem *syst, const ADGameDescription *gameDesc) : Engine(syst), _gameDescription(gameDesc) {
_console = nullptr;
DebugMan.addDebugChannel(kDebugExample1, "Example1", "This is just an example to test");
DebugMan.addDebugChannel(kDebugExample2, "Example2", "This is also an example");
}
HDBGame::~HDBGame() {
delete _console;
DebugMan.clearAllDebugChannels();
}
Common::Error HDBGame::run() {
// Initializes Graphics
Graphics::PixelFormat format = g_system->getScreenFormat();
initGraphics(800, 600, &format);
_console = new Console();
readMPC("hyperdemo.mpc");
while (!shouldQuit()) {
Common::Event event;
while (g_system->getEventManager()->pollEvent(event)) {
switch (event.type) {
case Common::EVENT_QUIT:
case Common::EVENT_RTL:
break;
case Common::EVENT_KEYDOWN:
debug("Key was pressed.");
break;
default:
break;
}
}
Graphics::Surface screen;
screen.create(800, 600, g_system->getScreenFormat());
screen.drawLine(100, 100, 200, 200, 0xffffffff);
g_system->copyRectToScreen(screen.getBasePtr(0, 0), screen.pitch, 0, 0, 800, 600);
g_system->updateScreen();
g_system->delayMillis(10);
}
return Common::kNoError;
}
void HDBGame::readMPC(const Common::String &filename) {
if (!_file.open(filename)) {
error("readMPC(): Error reading MPC file");
} else {
_dataHeader.signature[0] = _file.readByte();
_dataHeader.signature[1] = _file.readByte();
_dataHeader.signature[2] = _file.readByte();
_dataHeader.signature[3] = _file.readByte();
_dataHeader.signature[4] = '\0';
if (_dataHeader.isValid()) {
_dataHeader.dirOffset = _file.readUint32LE();
// FIXME: The MPC archive format considers dirOffset to be a uint32.
// However, File::seekg() takes an int32 as the offset, hence this
// would break if the dirOffset was larger than 2^31.
_file.seek((int32)_dataHeader.dirOffset, SEEK_SET);
_dataHeader.dirSize = _file.readUint32LE();
for (uint32 fileIndex = 0; fileIndex < _dataHeader.dirSize; fileIndex++) {
DataFile* dirEntry = new DataFile();
for (int fileNameIndex = 0; fileNameIndex < 64; fileNameIndex++) {
dirEntry->fileName[fileNameIndex] = _file.readByte();
}
dirEntry->fileName[64] = '\0';
dirEntry->filePosition = _file.readUint32LE();
dirEntry->fileLength = _file.readUint32LE();
dirEntry->unknownField1 = _file.readUint32LE();
dirEntry->unknownField2 = _file.readUint32LE();
_gameData.push_back(dirEntry);
}
} else {
debug("Invalid MPC file");
}
}
}
} // End of namespace HDB
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