scummvm/base/gameDetector.cpp
2004-03-04 02:47:39 +00:00

621 lines
20 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2004 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "base/engine.h"
#include "base/gameDetector.h"
#include "base/plugins.h"
#include "base/version.h"
#include "common/config-manager.h"
#include "common/scaler.h" // Only for gfx_modes
#include "sound/mididrv.h"
#include "sound/mixer.h"
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
// DONT FIXME: DO NOT ORDER ALPHABETICALLY, THIS IS ORDERED BY IMPORTANCE/CATEGORY! :)
#ifdef __PALM_OS__
static const char USAGE_STRING[] = "NoUsageString"; // save more data segment space
#else
static const char USAGE_STRING[] =
"ScummVM - Graphical Adventure Game Interpreter\n"
"Usage: scummvm [OPTIONS]... [GAME]\n"
" -v, --version Display ScummVM version information and exit\n"
" -h, --help Display a brief help text and exit\n"
" -z, --list-games Display list of supported games and exit\n"
" -t, --list-targets Display list of configured targets and exit\n"
"\n"
" -c, --config=CONFIG Use alternate configuration file\n"
" -p, --path=PATH Path to where the game is installed\n"
" -x, --save-slot[=NUM] Save game slot to load (default: autosave)\n"
" -f, --fullscreen Force full-screen mode\n"
" -F, --no-fullscreen Force windowed mode\n"
" -g, --gfx-mode=MODE Select graphics scaler (normal,2x,3x,2xsai,\n"
" super2xsai,supereagle,advmame2x,advmame3x,hq2x,\n"
" hq3x,tv2x,dotmatrix)\n"
" -e, --music-driver=MODE Select music driver (see README for details)\n"
" -q, --language=LANG Select language (en,de,fr,it,pt,es,jp,zh,kr,se,gb,\n"
" hb,ru,cz)\n"
" -m, --music-volume=NUM Set the music volume, 0-255 (default: 192)\n"
" -o, --master-volume=NUM Set the master volume, 0-255 (default: 192)\n"
" -s, --sfx-volume=NUM Set the sfx volume, 0-255 (default: 192)\n"
" -n, --subtitles Enable subtitles (use with games that have voice)\n"
" -b, --boot-param=NUM Pass number to the boot script (boot param)\n"
" -d, --debuglevel=NUM Set debug verbosity level\n"
" -u, --dump-scripts Enable script dumping if a directory called 'dumps'\n"
" exists in the current directory\n"
"\n"
" --cdrom=NUM CD drive to play CD audio from (default: 0 = first\n"
" drive)\n"
" --joystick[=NUM] Enable input with joystick (default: 0 = first\n"
" joystick)\n"
" --platform=WORD Specify version of game (allowed values: amiga,\n"
" atari, mac, pc)\n"
" --multi-midi Enable combination Adlib and native MIDI\n"
" --native-mt32 True Roland MT-32 (disable GM emulation)\n"
" --aspect-ratio Enable aspect ratio correction\n"
"\n"
#if !defined(DISABLE_SKY) || !defined(DISABLE_QUEEN)
" --alt-intro Use alternative intro for CD versions of Beneath a\n"
" Steel Sky and Flight of the Amazon Queen\n"
#endif
#ifndef DISABLE_SCUMM
" --copy-protection Enable the original copy protection in SCUMM games\n"
" --demo-mode Start demo mode of Maniac Mansion\n"
" --tempo=NUM Set music tempo (in percent, 50-200) for SCUMM games\n"
" (default: 100)\n"
" --talkspeed=NUM Set talk speed for SCUMM games (default: 60)\n"
#endif
"\n"
"The meaning of boolean long options can be inverted by prefixing them with\n"
"\"no-\", e.g. \"--no-aspect-ratio\".\n"
;
#endif
GameDetector::GameDetector() {
// Graphics
ConfMan.registerDefault("fullscreen", false);
ConfMan.registerDefault("aspect_ratio", false);
ConfMan.registerDefault("gfx_mode", "normal");
// Sound & Music
ConfMan.registerDefault("master_volume", 192);
ConfMan.registerDefault("music_volume", 192);
ConfMan.registerDefault("sfx_volume", 192);
ConfMan.registerDefault("multi_midi", false);
ConfMan.registerDefault("native_mt32", false);
// ConfMan.registerDefault("music_driver", ???);
ConfMan.registerDefault("cdrom", 0);
// Game specifc
ConfMan.registerDefault("path", "");
ConfMan.registerDefault("savepath", "");
// ConfMan.registerDefault("amiga", false);
ConfMan.registerDefault("platform", Common::kPlatformPC);
ConfMan.registerDefault("language", "en");
// ConfMan.registerDefault("nosubtitles", false);
ConfMan.registerDefault("subtitles", false);
ConfMan.registerDefault("boot_param", 0);
ConfMan.registerDefault("save_slot", -1);
#ifndef DISABLE_SCUMM
ConfMan.registerDefault("copy_protection", false);
ConfMan.registerDefault("demo_mode", false);
ConfMan.registerDefault("talkspeed", 60);
ConfMan.registerDefault("tempo", 0);
#endif
#if !defined(DISABLE_SKY) || !defined(DISABLE_QUEEN)
ConfMan.registerDefault("alt_intro", false);
#endif
// Miscellaneous
ConfMan.registerDefault("debuglevel", 0);
ConfMan.registerDefault("joystick_num", -1);
ConfMan.registerDefault("confirm_exit", false);
#ifdef USE_ALSA
ConfMan.registerDefault("alsa_port", "65:0");
#endif
_dumpScripts = false;
memset(&_game, 0, sizeof(_game));
_plugin = 0;
}
/** List all supported games, i.e. all games which any loaded plugin supports. */
void listGames() {
const PluginList &plugins = PluginManager::instance().getPlugins();
printf("Game ID Full Title \n"
"-------------------- ------------------------------------------------------\n");
PluginList::const_iterator iter = plugins.begin();
for (iter = plugins.begin(); iter != plugins.end(); ++iter) {
GameList list = (*iter)->getSupportedGames();
for (GameList::iterator v = list.begin(); v != list.end(); ++v) {
printf("%-20s %s\n", v->name, v->description);
}
}
}
/** List all targets which are configured in the config file. */
void listTargets() {
using namespace Common;
const ConfigManager::DomainMap &domains = ConfMan.getGameDomains();
printf("Target Description \n"
"-------------------- ------------------------------------------------------\n");
ConfigManager::DomainMap::const_iterator iter = domains.begin();
for (iter = domains.begin(); iter != domains.end(); ++iter) {
String name(iter->_key);
String description(iter->_value.get("description"));
if (description.isEmpty()) {
GameSettings g = GameDetector::findGame(name);
if (g.description)
description = g.description;
}
printf("%-20s %s\n", name.c_str(), description.c_str());
}
}
GameSettings GameDetector::findGame(const String &gameName, const Plugin **plugin) {
// Find the GameSettings for this target
const PluginList &plugins = PluginManager::instance().getPlugins();
GameSettings result = {NULL, NULL, 0};
PluginList::const_iterator iter = plugins.begin();
for (iter = plugins.begin(); iter != plugins.end(); ++iter) {
result = (*iter)->findGame(gameName.c_str());
if (result.name) {
if (plugin)
*plugin = *iter;
break;
}
}
return result;
}
//
// Various macros used by the command line parser.
//
#define DO_OPTION_OPT(shortCmd, longCmd) \
if (isLongCmd ? (!memcmp(s, longCmd"=", sizeof(longCmd"=") - 1)) : (shortCmdLower == shortCmd)) { \
if (isLongCmd) \
s += sizeof(longCmd"=") - 1; \
if ((*s != '\0') && (current_option != NULL)) goto ShowHelpAndExit; \
option = (*s != '\0') ? s : current_option; \
current_option = NULL;
#define DO_OPTION(shortCmd, longCmd) \
DO_OPTION_OPT(shortCmd, longCmd) \
if (option == NULL) goto ShowHelpAndExit;
#define DO_OPTION_BOOL(shortCmd, longCmd) \
if (isLongCmd ? (!strcmp(s, longCmd) || !strcmp(s, "no-"longCmd)) : (shortCmdLower == shortCmd)) { \
if (isLongCmd) { \
cmdValue = !strcmp(s, longCmd); \
s += cmdValue ? (sizeof(longCmd) - 1) : (sizeof("no-"longCmd) - 1); \
} \
if ((*s != '\0') || (current_option != NULL)) goto ShowHelpAndExit;
#define DO_OPTION_CMD(shortCmd, longCmd) \
if (isLongCmd ? (!strcmp(s, longCmd)) : (shortCmdLower == shortCmd)) { \
if (isLongCmd) \
s += sizeof(longCmd) - 1; \
if ((*s != '\0') || (current_option != NULL)) goto ShowHelpAndExit;
#define DO_LONG_OPTION_OPT(longCmd) DO_OPTION_OPT(0, longCmd)
#define DO_LONG_OPTION(longCmd) DO_OPTION(0, longCmd)
#define DO_LONG_OPTION_BOOL(longCmd) DO_OPTION_BOOL(0, longCmd)
#define DO_LONG_OPTION_CMD(longCmd) DO_OPTION_CMD(0, longCmd)
// End an option handler
#define END_OPTION \
continue; \
}
static const Common::String &kTransientDomain = Common::ConfigManager::kTransientDomain;
void GameDetector::parseCommandLine(int argc, char **argv) {
int i;
char *s;
char *current_option = NULL;
char *option = NULL;
char shortCmdLower;
bool isLongCmd, cmdValue;
// Iterate over all command line arguments, backwards.
for (i = argc - 1; i >= 1; i--) {
s = argv[i];
if (s[0] != '-' || s[1] == '\0') {
// Last argument: this could be a target name.
// To verify this, check if there is either a game domain (i.e.
// a configured target) matching this argument, or if we can
// find any target with that name.
if (i == (argc - 1) && (ConfMan.hasGameDomain(s) || findGame(s).name)) {
setTarget(s);
} else {
if (current_option == NULL)
current_option = s;
else
goto ShowHelpAndExit;
}
} else {
shortCmdLower = tolower(s[1]);
isLongCmd = (s[0] == '-' && s[1] == '-');
cmdValue = (shortCmdLower == s[1]);
s += 2;
DO_OPTION('c', "config")
// Dummy
END_OPTION
DO_OPTION('b', "boot-param")
ConfMan.set("boot_param", (int)strtol(option, 0, 10), kTransientDomain);
END_OPTION
DO_OPTION_OPT('d', "debuglevel")
if (option != NULL)
ConfMan.set("debuglevel", (int)strtol(option, 0, 10), kTransientDomain);
int debuglevel = ConfMan.getInt("debuglevel");
if (debuglevel)
printf("Debuglevel (from command line): %d\n", debuglevel);
else
printf("Debuglevel (from command line): 0 - Game only\n");
END_OPTION
DO_OPTION('e', "music-driver")
// TODO: Instead of just showing the generic help text,
// maybe print a message like:
// "'option' is not a supported music driver on this machine.
// Available driver: ..."
if (parseMusicDriver(option) < 0)
goto ShowHelpAndExit;
ConfMan.set("music_driver", option, kTransientDomain);
END_OPTION
DO_OPTION_BOOL('f', "fullscreen")
ConfMan.set("fullscreen", cmdValue, kTransientDomain);
END_OPTION
DO_OPTION('g', "gfx-mode")
// Check whether 'option' specifies a valid graphics mode.
bool isValid = false;
if (!scumm_stricmp(option, "normal") || !scumm_stricmp(option, "default"))
isValid = true;
if (!isValid) {
const OSystem::GraphicsMode *gm = g_system->getSupportedGraphicsModes();
while (gm->name && !isValid) {
isValid = !scumm_stricmp(gm->name, option);
gm++;
}
}
// TODO: Instead of just showing the generic help text,
// maybe print a message like:
// "'option' is not a supported graphic mode on this machine.
// Available graphic modes: ..."
if (!isValid)
goto ShowHelpAndExit;
ConfMan.set("gfx_mode", option, kTransientDomain);
END_OPTION
DO_OPTION_CMD('h', "help")
printf(USAGE_STRING);
exit(0);
END_OPTION
DO_OPTION('m', "music-volume")
ConfMan.set("music_volume", (int)strtol(option, 0, 10), kTransientDomain);
END_OPTION
DO_OPTION_BOOL('n', "subtitles")
ConfMan.set("subtitles", cmdValue, kTransientDomain);
END_OPTION
DO_OPTION('o', "master-volume")
ConfMan.set("master_volume", (int)strtol(option, 0, 10), kTransientDomain);
END_OPTION
DO_OPTION('p', "path")
// TODO: Verify whether the path is valid
ConfMan.set("path", option, kTransientDomain);
END_OPTION
DO_OPTION('q', "language")
if (Common::parseLanguage(option) == Common::UNK_LANG)
goto ShowHelpAndExit;
ConfMan.set("language", option, kTransientDomain);
END_OPTION
DO_OPTION('s', "sfx-volume")
ConfMan.set("sfx_volume", (int)strtol(option, 0, 10), kTransientDomain);
END_OPTION
DO_OPTION_CMD('t', "list-targets")
listTargets();
exit(0);
END_OPTION
DO_OPTION_BOOL('u', "dump-scripts")
_dumpScripts = true;
END_OPTION
DO_OPTION_CMD('v', "version")
printf("%s\n", gScummVMFullVersion);
printf("Features compiled in: %s\n", gScummVMFeatures);
exit(0);
END_OPTION
DO_OPTION('x', "save-slot")
ConfMan.set("save_slot", (option != NULL) ? (int)strtol(option, 0, 10) : 0, kTransientDomain);
END_OPTION
DO_OPTION_CMD('z', "list-games")
listGames();
exit(0);
END_OPTION
DO_LONG_OPTION("cdrom")
ConfMan.set("cdrom", (int)strtol(option, 0, 10), kTransientDomain);
END_OPTION
DO_LONG_OPTION_OPT("joystick")
ConfMan.set("joystick_num", (option != NULL) ? (int)strtol(option, 0, 10) : 0, kTransientDomain);
END_OPTION
DO_LONG_OPTION("platform")
int platform = Common::parsePlatform(option);
if (platform == Common::kPlatformUnknown)
goto ShowHelpAndExit;
ConfMan.set("platform", platform, kTransientDomain);
END_OPTION
DO_LONG_OPTION_BOOL("multi-midi")
ConfMan.set("multi_midi", cmdValue, kTransientDomain);
END_OPTION
DO_LONG_OPTION_BOOL("native-mt32")
ConfMan.set("native_mt32", cmdValue, kTransientDomain);
END_OPTION
DO_LONG_OPTION_BOOL("aspect-ratio")
ConfMan.set("aspect_ratio", cmdValue, kTransientDomain);
END_OPTION
DO_LONG_OPTION("savepath")
// TODO: Verify whether the path is valid
ConfMan.set("savepath", option, kTransientDomain);
END_OPTION
#ifndef DISABLE_SCUMM
DO_LONG_OPTION("tempo")
// Use the special value '0' for the base in (int)strtol.
// Doing that makes it possible to enter hex values
// as "0x1234", but also decimal values ("123").
ConfMan.set("tempo", (int)strtol(option, 0, 0), kTransientDomain);
END_OPTION
DO_LONG_OPTION("talkspeed")
ConfMan.set("talkspeed", (int)strtol(option, 0, 10), kTransientDomain);
END_OPTION
DO_LONG_OPTION_BOOL("copy-protection")
ConfMan.set("copy_protection", cmdValue, kTransientDomain);
END_OPTION
DO_LONG_OPTION_BOOL("demo-mode")
ConfMan.set("demo_mode", cmdValue, kTransientDomain);
END_OPTION
#endif
#if !defined(DISABLE_SKY) || !defined(DISABLE_QUEEN)
DO_LONG_OPTION_BOOL("alt-intro")
ConfMan.set("alt_intro", cmdValue, kTransientDomain);
END_OPTION
#endif
// If we get till here, the option is unhandled and hence unknown.
goto ShowHelpAndExit;
}
}
if (current_option) {
ShowHelpAndExit:
printf(USAGE_STRING);
exit(1);
}
}
void GameDetector::setTarget(const String &name) {
_targetName = name;
ConfMan.setActiveDomain(name);
}
bool GameDetector::detectGame() {
String realGame;
if (ConfMan.hasKey("gameid"))
realGame = ConfMan.get("gameid");
else
realGame = _targetName;
printf("Looking for %s\n", realGame.c_str());
_game = findGame(realGame, &_plugin);
if (_game.name) {
printf("Trying to start game '%s'\n", _game.description);
return true;
} else {
printf("Failed game detection\n");
return false;
}
}
int GameDetector::detectMusicDriver(int midiFlags) {
int musicDriver = parseMusicDriver(ConfMan.get("music_driver"));
/* Use the adlib sound driver if auto mode is selected,
* and the game is one of those that want adlib as
* default, OR if the game is an older game that doesn't
* support anything else anyway. */
if (musicDriver == MD_AUTO || musicDriver < 0) {
if (midiFlags & MDT_PREFER_NATIVE) {
if (musicDriver == MD_AUTO) {
#if defined (WIN32) && !defined(_WIN32_WCE)
musicDriver = MD_WINDOWS; // MD_WINDOWS is default MidiDriver on windows targets
#elif defined(MACOSX)
musicDriver = MD_COREAUDIO;
#elif defined(__PALM_OS__) // must be before mac
musicDriver = MD_YPA1; // TODO : cahnge this and use Zodiac driver when needed
#elif defined(__MORPHOS__)
musicDriver = MD_ETUDE;
#elif defined (_WIN32_WCE) || defined(UNIX) || defined(X11_BACKEND)
// Always use MIDI emulation via adlib driver on CE and UNIX device
// TODO: We should, for the Unix targets, attempt to detect
// whether a sequencer is available, and use it instead.
musicDriver = MD_ADLIB;
#else
musicDriver = MD_NULL;
#endif
} else
musicDriver = MD_ADLIB;
} else
musicDriver = MD_TOWNS;
}
bool nativeMidiDriver =
(musicDriver != MD_NULL && musicDriver != MD_ADLIB &&
musicDriver != MD_PCSPK && musicDriver != MD_PCJR &&
musicDriver != MD_TOWNS);
if (nativeMidiDriver && !(midiFlags & MDT_NATIVE))
musicDriver = MD_TOWNS;
if (musicDriver == MD_TOWNS && !(midiFlags & MDT_TOWNS))
musicDriver = MD_ADLIB;
if (musicDriver == MD_ADLIB && !(midiFlags & MDT_ADLIB))
musicDriver = MD_PCJR;
if ((musicDriver == MD_PCSPK || musicDriver == MD_PCJR) && !(midiFlags & MDT_PCSPK))
musicDriver = MD_NULL;
return musicDriver;
}
bool GameDetector::detectMain() {
if (_targetName.isEmpty()) {
warning("No game was specified...");
return false;
}
if (!detectGame()) {
warning("%s is an invalid target. Use the --list-targets option to list targets", _targetName.c_str());
return false;
}
String gameDataPath(ConfMan.get("path"));
if (gameDataPath.isEmpty()) {
warning("No path was provided. Assuming the data files are in the current directory");
#ifndef __PALM_OS__ // add last slash also in File::fopenNoCase, so this is not needed
} else if (gameDataPath.lastChar() != '/'
#ifdef __MORPHOS__
&& gameDataPath.lastChar() != ':'
#endif
&& gameDataPath.lastChar() != '\\') {
gameDataPath += '/';
ConfMan.set("path", gameDataPath, kTransientDomain);
#endif
}
return true;
}
Engine *GameDetector::createEngine(OSystem *sys) {
assert(_plugin);
return _plugin->createInstance(this, sys);
}
SoundMixer *GameDetector::createMixer() {
return new SoundMixer();
}
MidiDriver *GameDetector::createMidi(int midiDriver) {
switch(midiDriver) {
case MD_NULL: return MidiDriver_NULL_create();
// In the case of Adlib, we won't specify anything.
// IMuse is designed to set up its own Adlib driver
// if need be, and we only have to specify a native
// driver.
case MD_ADLIB: return NULL;
case MD_TOWNS: return MidiDriver_YM2612_create(g_engine->_mixer);
// Right now PC Speaker and PCjr are handled
// outside the MidiDriver architecture, so
// don't create anything for now.
case MD_PCSPK:
case MD_PCJR: return NULL;
#if defined(__PALM_OS__)
case MD_YPA1: return MidiDriver_YamahaPa1_create();
case MD_ZODIAC: return MidiDriver_Zodiac_create();
#endif
#if defined(WIN32) && !defined(_WIN32_WCE)
case MD_WINDOWS: return MidiDriver_WIN_create();
#endif
#if defined(__MORPHOS__)
case MD_ETUDE: return MidiDriver_ETUDE_create();
#endif
#if defined(UNIX) && !defined(__BEOS__) && !defined(MACOSX)
case MD_SEQ: return MidiDriver_SEQ_create();
#endif
#if (defined(MACOSX) || defined(macintosh)) && !defined(__PALM_OS__)
case MD_QTMUSIC: return MidiDriver_QT_create();
#endif
#if defined(MACOSX)
case MD_COREAUDIO: return MidiDriver_CORE_create();
#endif
#if defined(UNIX) && defined(USE_ALSA)
case MD_ALSA: return MidiDriver_ALSA_create();
#endif
}
error("Invalid midi driver selected");
return NULL;
}