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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.
*
* $URL$
* $Id$
*
*/
#include "common/config-manager.h"
#include "common/events.h"
#include "sound/mixer.h"
#include "groovie/groovie.h"
#include "groovie/music.h"
#include "groovie/roq.h"
#include "groovie/vdx.h"
namespace Groovie {
GroovieEngine::GroovieEngine(OSystem *syst, const GroovieGameDescription *gd) :
Engine(syst), _gameDescription(gd), _debugger(NULL), _script(this, gd->version),
_resMan(NULL), _grvCursorMan(NULL), _videoPlayer(NULL), _musicPlayer(NULL),
_graphicsMan(NULL), _waitingForInput(false) {
// Adding the default directories
Common::File::addDefaultDirectory(_gameDataDir.getChild("groovie"));
Common::File::addDefaultDirectory(_gameDataDir.getChild("media"));
Common::File::addDefaultDirectory(_gameDataDir.getChild("system"));
// Initialize the custom debug levels
Common::addDebugChannel(kGroovieDebugAll, "All", "Debug everything");
Common::addDebugChannel(kGroovieDebugVideo, "Video", "Debug video and audio playback");
Common::addDebugChannel(kGroovieDebugResource, "Resource", "Debug resouce management");
Common::addDebugChannel(kGroovieDebugScript, "Script", "Debug the scripts");
Common::addDebugChannel(kGroovieDebugUnknown, "Unknown", "Report values of unknown data in files");
Common::addDebugChannel(kGroovieDebugHotspots, "Hotspots", "Show the hotspots");
Common::addDebugChannel(kGroovieDebugCursor, "Cursor", "Debug cursor decompression / switching");
Common::addDebugChannel(kGroovieDebugMIDI, "MIDI", "Debug MIDI / XMIDI files");
Common::addDebugChannel(kGroovieDebugScriptvars, "Scriptvars", "Print out any change to script variables");
Common::addDebugChannel(kGroovieDebugCell, "Cell", "Debug the cell game (in the microscope)");
Common::addDebugChannel(kGroovieDebugFast, "Fast", "Play videos quickly, with no sound (unstable)");
}
GroovieEngine::~GroovieEngine() {
// Delete the remaining objects
delete _debugger;
delete _resMan;
delete _grvCursorMan;
delete _videoPlayer;
delete _musicPlayer;
delete _graphicsMan;
}
Common::Error GroovieEngine::run() {
// Initialize the graphics
switch (_gameDescription->version) {
case kGroovieV2:
#ifdef ENABLE_RGB_COLOR
_pixelFormat = _system->getSupportedFormats().front();
initGraphics(640, 480, true, &_pixelFormat);
break;
#endif
case kGroovieT7G:
initGraphics(640, 480, true);
break;
}
// Create debugger. It requires GFX to be initialized
_debugger = new Debugger(this);
_script.setDebugger(_debugger);
// Create the graphics manager
_graphicsMan = new GraphicsMan(this);
// Create the resource and cursor managers and the video player
switch (_gameDescription->version) {
case kGroovieT7G:
_resMan = new ResMan_t7g();
_grvCursorMan = new GrvCursorMan_t7g(_system);
_videoPlayer = new VDXPlayer(this);
break;
case kGroovieV2:
_resMan = new ResMan_v2();
_grvCursorMan = new GrvCursorMan_v2(_system);
_videoPlayer = new ROQPlayer(this);
break;
}
// Create the music player
_musicPlayer = new MusicPlayer(this, _gameDescription->version == kGroovieT7G ? "fat" : "sample");
// Load volume levels
syncSoundSettings();
// Get the name of the main script
Common::String filename = _gameDescription->desc.filesDescriptions[0].fileName;
if (_gameDescription->version == kGroovieT7G) {
// Run The 7th Guest's demo if requested
if (ConfMan.hasKey("demo_mode") && ConfMan.getBool("demo_mode")) {
filename = Common::String("demo.grv");
}
} else if (_gameDescription->version == kGroovieV2) {
// Open the disk index
Common::File disk;
if (!disk.open(filename)) {
error("Couldn't open %s", filename.c_str());
return Common::kNoGameDataFoundError;
}
// Search the entry
bool found = false;
int index = 0;
while (!found && !disk.eos()) {
Common::String line = disk.readLine();
if (line.hasPrefix("title: ")) {
// A new entry
index++;
} else if (line.hasPrefix("boot: ") && index == _gameDescription->indexEntry) {
// It's the boot of the entry we're looking for,
// get the script filename
filename = line.c_str() + 6;
found = true;
}
}
// Couldn't find the entry
if (!found) {
error("Couldn't find entry %d in %s", _gameDescription->indexEntry, filename.c_str());
return Common::kUnknownError;
}
}
// Check the script file extension
if (!filename.hasSuffix(".grv")) {
error("%s isn't a valid script filename", filename.c_str());
return Common::kUnknownError;
}
// Load the script
if (!_script.loadScript(filename)) {
error("Couldn't load the script file %s", filename.c_str());
return Common::kUnknownError;
}
// Should I load a saved game?
if (ConfMan.hasKey("save_slot")) {
// Get the requested slot
int slot = ConfMan.getInt("save_slot");
_script.directGameLoad(slot);
}
// Check that the game files and the audio tracks aren't together run from
// the same cd
checkCD();
// Game timer counter
uint16 tmr = 0;
// Initialize the CD
int cd_num = ConfMan.getInt("cdrom");
if (cd_num >= 0)
_system->openCD(cd_num);
while (!shouldQuit()) {
// Show the debugger if required
if (_debugger->isAttached()) {
_debugger->onFrame();
}
// Handle input
Common::Event ev;
while (_eventMan->pollEvent(ev)) {
switch (ev.type) {
case Common::EVENT_KEYDOWN:
// CTRL-D: Attach the debugger
if ((ev.kbd.flags & Common::KBD_CTRL) && ev.kbd.keycode == Common::KEYCODE_d)
_debugger->attach();
// Send the event to the scripts
_script.setKbdChar(ev.kbd.ascii);
// Continue the script execution to handle the key
_waitingForInput = false;
break;
case Common::EVENT_MAINMENU:
// Closing the GMM
case Common::EVENT_MOUSEMOVE:
// Continue the script execution, the mouse pointer
// may fall inside a different hotspot now
_waitingForInput = false;
break;
case Common::EVENT_LBUTTONDOWN:
// Send the event to the scripts
_script.setMouseClick();
// Continue the script execution to handle
// the click
_waitingForInput = false;
break;
case Common::EVENT_QUIT:
quitGame();
break;
default:
break;
}
}
// The event loop may have triggered the quit status. In this case,
// stop the execution.
if (shouldQuit()) {
continue;
}
if (_waitingForInput) {
// Still waiting for input, just update the mouse, game timer and then wait a bit more
_grvCursorMan->animate();
_system->updateScreen();
tmr++;
// Wait a little bit between increments. While mouse is moving, this triggers
// only negligably slower.
if (tmr > 4) {
_script.timerTick();
tmr = 0;
}
_system->delayMillis(50);
} else if (_graphicsMan->isFading()) {
// We're waiting for a fading to end, let the CPU rest
// for a while and continue
_system->delayMillis(30);
} else {
// Everything's fine, execute another script step
_script.step();
}
// Update the screen if required
_graphicsMan->update();
}
return Common::kNoError;
}
bool GroovieEngine::hasFeature(EngineFeature f) const {
return
(f == kSupportsRTL) ||
(f == kSupportsLoadingDuringRuntime);
}
void GroovieEngine::errorString(const char *buf_input, char *buf_output, int buf_output_size) {
//snprintf(buf_output, buf_output_size, "%s%s\n", _script.getContext().c_str(), buf_input);
snprintf(buf_output, buf_output_size, "%s", buf_input);
}
void GroovieEngine::syncSoundSettings() {
_musicPlayer->setUserVolume(ConfMan.getInt("music_volume"));
_mixer->setVolumeForSoundType(Audio::Mixer::kPlainSoundType, ConfMan.getInt("speech_volume"));
}
bool GroovieEngine::canLoadGameStateCurrently() {
// TODO: verify the engine has been initialized
return true;
}
Common::Error GroovieEngine::loadGameState(int slot) {
_script.directGameLoad(slot);
// TODO: Use specific error codes
return Common::kNoError;
}
void GroovieEngine::waitForInput() {
_waitingForInput = true;
}
} // End of namespace Groovie
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