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+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/stdafx.h"
+#if defined(WIN32) && !defined (__SYMBIAN32__)
+#include <malloc.h>
+#endif
+#include "engines/engine.h"
+#include "common/config-manager.h"
+#include "common/file.h"
+#include "common/timer.h"
+#include "common/savefile.h"
+#include "common/system.h"
+#include "sound/mixer.h"
+#include "gui/debugger.h"
+#include "gui/message.h"
+
+#ifdef _WIN32_WCE
+extern bool isSmartphone(void);
+#endif
+
+/* FIXME - BIG HACK for MidiEmu */
+Engine *g_engine = 0;
+
+Engine::Engine(OSystem *syst)
+ : _system(syst),
+ _gameDataPath(ConfMan.get("path")),
+ _targetName(ConfMan.getActiveDomainName()){
+ g_engine = this;
+ _mixer = new Audio::Mixer();
+
+ _timer = Common::g_timer;
+
+ _saveFileMan = _system->getSavefileManager();
+
+ _autosavePeriod = ConfMan.getInt("autosave_period");
+}
+
+Engine::~Engine() {
+ delete _mixer;
+ delete _saveFileMan;
+
+ g_engine = NULL;
+}
+
+void Engine::initCommonGFX(bool defaultTo1XScaler) {
+ const Common::ConfigManager::Domain *transientDomain = ConfMan.getDomain(Common::ConfigManager::kTransientDomain);
+ const Common::ConfigManager::Domain *gameDomain = ConfMan.getActiveDomain();
+
+ assert(transientDomain);
+
+ const bool useDefaultGraphicsMode =
+ !transientDomain->contains("gfx_mode") &&
+ (
+ !gameDomain ||
+ !gameDomain->contains("gfx_mode") ||
+ !scumm_stricmp(gameDomain->get("gfx_mode").c_str(), "normal") ||
+ !scumm_stricmp(gameDomain->get("gfx_mode").c_str(), "default")
+ );
+
+ // See if the game should default to 1x scaler
+ if (useDefaultGraphicsMode && defaultTo1XScaler) {
+ // FIXME: As a hack, we use "1x" here. Would be nicer to use
+ // getDefaultGraphicsMode() instead, but right now, we do not specify
+ // whether that is a 1x scaler or not...
+ _system->setGraphicsMode("1x");
+ } else {
+ // Override global scaler with any game-specific define
+ if (ConfMan.hasKey("gfx_mode")) {
+ _system->setGraphicsMode(ConfMan.get("gfx_mode").c_str());
+ }
+ }
+
+ // Note: The following code deals with the fullscreen / ASR settings. This
+ // is a bit tricky, because there are three ways the user can affect these
+ // settings: Via the config file, via the command line, and via in-game
+ // hotkeys.
+ // Any global or command line settings already have been applied at the time
+ // we get here. Hence we only do something
+
+ // (De)activate aspect-ratio correction as determined by the config settings
+ if (gameDomain && gameDomain->contains("aspect_ratio"))
+ _system->setFeatureState(OSystem::kFeatureAspectRatioCorrection, ConfMan.getBool("aspect_ratio"));
+
+ // (De)activate fullscreen mode as determined by the config settings
+ if (gameDomain && gameDomain->contains("fullscreen"))
+ _system->setFeatureState(OSystem::kFeatureFullscreenMode, ConfMan.getBool("fullscreen"));
+}
+
+void Engine::checkCD() {
+#if defined (WIN32) && !defined(_WIN32_WCE) && !defined(__SYMBIAN32__)
+ // It is a known bug under Windows that games that play CD audio cause
+ // ScummVM to crash if the data files are read from the same CD. Check
+ // if this appears to be the case and issue a warning.
+
+ // If we can find a compressed audio track, then it should be ok even
+ // if it's running from CD.
+
+#ifdef USE_VORBIS
+ if (Common::File::exists("track1.ogg"))
+ return;
+#endif
+#ifdef USE_FLAC
+ if (Common::File::exists("track1.fla") || Common::File::exists("track1.flac"))
+ return;
+#endif
+#ifdef USE_MAD
+ if (Common::File::exists("track1.mp3"))
+ return;
+#endif
+
+ char buffer[MAXPATHLEN];
+ int i;
+
+ if (strlen(_gameDataPath.c_str()) == 0) {
+ // That's it! I give up!
+ if (getcwd(buffer, MAXPATHLEN) == NULL)
+ return;
+ } else
+ strncpy(buffer, _gameDataPath.c_str(), MAXPATHLEN);
+
+ for (i = 0; i < MAXPATHLEN - 1; i++) {
+ if (buffer[i] == '\\')
+ break;
+ }
+
+ buffer[i + 1] = 0;
+
+ if (GetDriveType(buffer) == DRIVE_CDROM) {
+ GUI::MessageDialog dialog(
+ "You appear to be playing this game directly\n"
+ "from the CD. This is known to cause problems,\n"
+ "and it's therefore recommended that you copy\n"
+ "the data files to your hard disk instead.\n"
+ "See the README file for details.", "OK");
+ dialog.runModal();
+ }
+#endif
+}
+
+bool Engine::shouldPerformAutoSave(int lastSaveTime) {
+ const int diff = _system->getMillis() - lastSaveTime;
+ return _autosavePeriod != 0 && diff > _autosavePeriod * 1000;
+}
+
+void Engine::errorString(const char *buf1, char *buf2) {
+ strcpy(buf2, buf1);
+}
+
+void NORETURN CDECL error(const char *s, ...) {
+ char buf_input[STRINGBUFLEN];
+ char buf_output[STRINGBUFLEN];
+ va_list va;
+
+ // Generate the full error message
+ va_start(va, s);
+ vsnprintf(buf_input, STRINGBUFLEN, s, va);
+ va_end(va);
+
+
+ // Next, give the active engine (if any) a chance to augment the
+ // error message
+ if (g_engine) {
+ g_engine->errorString(buf_input, buf_output);
+ } else {
+ strcpy(buf_output, buf_input);
+ }
+
+
+ // Print the error message to stderr
+#ifdef __GP32__
+ printf("ERROR: %s\n", buf_output);
+#elif !defined(_WIN32_WCE)
+ fprintf(stderr, "%s!\n", buf_output);
+#endif
+
+
+#ifndef __GP32__
+ // Unless this error -originated- within the debugger itself, we
+ // now invoke the debugger, if available / supported.
+ if (g_engine) {
+ GUI::Debugger *debugger = g_engine->getDebugger();
+#ifdef _WIN32_WCE
+ if (isSmartphone())
+ debugger = 0;
+#endif
+ if (debugger && !debugger->isAttached()) {
+ debugger->attach(buf_output);
+ debugger->onFrame();
+ }
+ }
+#endif
+
+
+#if defined( USE_WINDBG )
+#if defined( _WIN32_WCE )
+ TCHAR buf_output_unicode[1024];
+ MultiByteToWideChar(CP_ACP, 0, buf_output, strlen(buf_output) + 1, buf_output_unicode, sizeof(buf_output_unicode));
+ OutputDebugString(buf_output_unicode);
+#else
+ OutputDebugString(buf_output);
+#endif
+#endif
+
+#if defined ( _WIN32_WCE )
+ drawError(buf_output);
+#endif
+
+#ifdef PALMOS_MODE
+ PalmFatalError(buf_output);
+#endif
+
+#ifdef __SYMBIAN32__
+ Symbian::FatalError(buf_output);
+#endif
+ // Finally exit. quit() will terminate the program if g_system is present
+ if (g_system)
+ g_system->quit();
+
+ exit(1);
+}
+
+void CDECL warning(const char *s, ...) {
+ char buf[STRINGBUFLEN];
+ va_list va;
+
+ va_start(va, s);
+ vsnprintf(buf, STRINGBUFLEN, s, va);
+ va_end(va);
+
+#ifdef __GP32__ //ph0x FIXME: implement fprint?
+ printf("WARNING: %s\n", buf);
+#else
+#if !defined (_WIN32_WCE) && !defined (__SYMBIAN32__)
+ fprintf(stderr, "WARNING: %s!\n", buf);
+#endif
+#endif
+#if defined( USE_WINDBG )
+ strcat(buf, "\n");
+#if defined( _WIN32_WCE )
+ TCHAR buf_unicode[1024];
+ MultiByteToWideChar(CP_ACP, 0, buf, strlen(buf) + 1, buf_unicode, sizeof(buf_unicode));
+ OutputDebugString(buf_unicode);
+#else
+ OutputDebugString(buf);
+#endif
+#endif
+}
+
+void checkHeap() {
+#if defined(WIN32) && !defined(__SYMBIAN32__)
+ if (_heapchk() != _HEAPOK) {
+ error("Heap is invalid!");
+ }
+#endif
+}
+
+void Engine::GUIErrorMessage(const Common::String msg) {
+ _system->setWindowCaption("Error");
+ _system->beginGFXTransaction();
+ initCommonGFX(false);
+ _system->initSize(320, 200);
+ _system->endGFXTransaction();
+
+ GUI::MessageDialog dialog(msg);
+ dialog.runModal();
+}