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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/events.h"
#include "common/EventRecorder.h"
#include "common/file.h"
#include "common/savefile.h"
#include "common/config-manager.h"
#include "common/debug-channels.h"
#include "common/system.h"
#include "engines/util.h"
#include "graphics/cursorman.h"
#include "sound/mididrv.h"
#include "sound/mixer.h"
#include "cine/cine.h"
#include "cine/bg_list.h"
#include "cine/main_loop.h"
#include "cine/object.h"
#include "cine/texte.h"
#include "cine/sound.h"
#include "cine/various.h"
namespace Cine {
Sound *g_sound = 0;
CineEngine *g_cine = 0;
CineEngine::CineEngine(OSystem *syst, const CINEGameDescription *gameDesc) : Engine(syst), _gameDescription(gameDesc) {
DebugMan.addDebugChannel(kCineDebugScript, "Script", "Script debug level");
DebugMan.addDebugChannel(kCineDebugPart, "Part", "Part debug level");
DebugMan.addDebugChannel(kCineDebugSound, "Sound", "Sound debug level");
// Setup mixer
_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, ConfMan.getInt("sfx_volume"));
_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, ConfMan.getInt("music_volume"));
// Use music volume for plain sound types (At least the AdLib player uses a plain sound type
// so previously the music and sfx volume controls didn't affect it at all).
// FIXME: Make AdLib player differentiate between playing sound effects and music and remove this.
_mixer->setVolumeForSoundType(Audio::Mixer::kPlainSoundType, ConfMan.getInt("music_volume"));
g_cine = this;
g_eventRec.registerRandomSource(_rnd, "cine");
}
CineEngine::~CineEngine() {
if (getGameType() == Cine::GType_OS) {
freeErrmessDat();
}
DebugMan.clearAllDebugChannels();
}
Common::Error CineEngine::run() {
// Initialize backend
initGraphics(320, 200, false);
if (getPlatform() == Common::kPlatformPC) {
g_sound = new PCSound(_mixer, this);
} else {
// Paula chipset for Amiga and Atari versions
g_sound = new PaulaSound(_mixer, this);
}
_restartRequested = false;
do {
initialize();
_restartRequested = false;
CursorMan.showMouse(true);
mainLoop(1);
delete renderer;
delete[] collisionPage;
} while (_restartRequested);
delete g_sound;
return Common::kNoError;
}
int CineEngine::getTimerDelay() const {
return (10923000 * _timerDelayMultiplier) / 1193180;
}
/**
* Modify game speed
* @param speedChange Negative values slow game down, positive values speed it up, zero does nothing
* @return Timer delay multiplier's value after the game speed change
*/
int CineEngine::modifyGameSpeed(int speedChange) {
// If we want more speed we decrement the timer delay multiplier and vice versa.
_timerDelayMultiplier = CLIP(_timerDelayMultiplier - speedChange, 1, 50);
return _timerDelayMultiplier;
}
void CineEngine::initialize() {
// Initialize all savegames' descriptions to empty strings
memset(currentSaveName, 0, sizeof(currentSaveName));
// Resize object table to its correct size and reset all its elements
objectTable.resize(NUM_MAX_OBJECT);
resetObjectTable();
// Resize animation data table to its correct size and reset all its elements
animDataTable.resize(NUM_MAX_ANIMDATA);
freeAnimDataTable();
// Resize zone data table to its correct size and reset all its elements
zoneData.resize(NUM_MAX_ZONE);
Common::set_to(zoneData.begin(), zoneData.end(), 0);
// Resize zone query table to its correct size and reset all its elements
zoneQuery.resize(NUM_MAX_ZONE);
Common::set_to(zoneQuery.begin(), zoneQuery.end(), 0);
_timerDelayMultiplier = 12; // Set default speed
setupOpcodes();
initLanguage(getLanguage());
if (getGameType() == Cine::GType_OS) {
renderer = new OSRenderer;
} else {
renderer = new FWRenderer;
}
renderer->initialize();
collisionPage = new byte[320 * 200];
// Clear part buffer as there's nothing loaded into it yet.
// Its size will change when loading data into it with the loadPart function.
partBuffer.clear();
if (getGameType() == Cine::GType_OS) {
readVolCnf();
}
loadTextData("texte.dat");
if (getGameType() == Cine::GType_OS && !(getFeatures() & GF_DEMO)) {
loadPoldatDat("poldat.dat");
loadErrmessDat("errmess.dat");
}
// in case ScummVM engines can be restarted in the future
scriptTable.clear();
relTable.clear();
objectScripts.clear();
globalScripts.clear();
bgIncrustList.clear();
freeAnimDataTable();
overlayList.clear();
messageTable.clear();
resetObjectTable();
var8 = 0;
var2 = var3 = var4 = var5 = 0;
musicIsPlaying = 0;
currentDatName[0] = 0;
_preLoad = false;
if (ConfMan.hasKey("save_slot") && !_restartRequested) {
char saveNameBuffer[256];
sprintf(saveNameBuffer, "%s.%1d", _targetName.c_str(), ConfMan.getInt("save_slot"));
bool res = makeLoad(saveNameBuffer);
if (res)
_preLoad = true;
}
if (!_preLoad) {
loadPrc(BOOT_PRC_NAME);
strcpy(currentPrcName, BOOT_PRC_NAME);
setMouseCursor(MOUSE_CURSOR_NORMAL);
}
}
} // End of namespace Cine
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