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Diffstat (limited to 'engines/sword25/sword25.cpp')
| -rw-r--r-- | engines/sword25/sword25.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/engines/sword25/sword25.cpp b/engines/sword25/sword25.cpp new file mode 100644 index 0000000000..4e99ade25d --- /dev/null +++ b/engines/sword25/sword25.cpp @@ -0,0 +1,189 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +/* + * This code is based on Broken Sword 2.5 engine + * + * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer + * + * Licensed under GNU GPL v2 + * + */ + +#include "common/config-manager.h" +#include "common/debug-channels.h" +#include "engines/util.h" + +#include "sword25/sword25.h" +#include "sword25/kernel/filesystemutil.h" +#include "sword25/kernel/kernel.h" +#include "sword25/package/packagemanager.h" +#include "sword25/script/script.h" + +namespace Sword25 { + +#define BS_LOG_PREFIX "MAIN" + +const char *const PACKAGE_MANAGER = "archiveFS"; +const char *const DEFAULT_SCRIPT_FILE = "/system/boot.lua"; + +void logToStdout(const char *Message) { + debugN(0, "%s", Message); +} + +Sword25Engine::Sword25Engine(OSystem *syst, const ADGameDescription *gameDesc): + Engine(syst), + _gameDescription(gameDesc) { + + DebugMan.addDebugChannel(kDebugScript, "Script", "Script debug level"); + DebugMan.addDebugChannel(kDebugScript, "Scripts", "Script debug level"); + DebugMan.addDebugChannel(kDebugSound, "Sound", "Sound debug level"); +} + +Sword25Engine::~Sword25Engine() { +} + +Common::Error Sword25Engine::run() { + // Engine initialisation + Common::Error errorCode = appStart(); + if (errorCode != Common::kNoError) { + appEnd(); + return errorCode; + } + + // Run the game + bool runSuccess = appMain(); + + // Engine de-initialisation + bool deinitSuccess = appEnd(); + + return (runSuccess && deinitSuccess) ? Common::kNoError : Common::kUnknownError; +} + +Common::Error Sword25Engine::appStart() { + // All log messages will be sent to StdOut + BS_Log::RegisterLogListener(logToStdout); + + // Initialise the graphics mode to ARGB8888 + Graphics::PixelFormat format = Graphics::PixelFormat(4, 8, 8, 8, 8, 16, 8, 0, 24); + initGraphics(800, 600, true, &format); + if (format != g_system->getScreenFormat()) + return Common::kUnsupportedColorMode; + + // Kernel initialization + if (!Kernel::GetInstance()->GetInitSuccess()) { + BS_LOG_ERRORLN("Kernel initialization failed."); + return Common::kUnknownError; + } + + // Package-Manager starten, damit die Packfiles geladen werden können. + PackageManager *packageManagerPtr = static_cast<PackageManager *>(Kernel::GetInstance()->NewService("package", PACKAGE_MANAGER)); + if (!packageManagerPtr) { + BS_LOG_ERRORLN("PackageManager initialization failed."); + return Common::kUnknownError; + } + + // Packages laden oder das aktuelle Verzeichnis mounten, wenn das über Kommandozeile angefordert wurde. + if (getGameFlags() & GF_EXTRACTED) { + if (!packageManagerPtr->loadDirectoryAsPackage(ConfMan.get("path"), "/")) + return Common::kUnknownError; + } else { + if (!loadPackages()) + return Common::kUnknownError; + } + + // Einen Pointer auf den Skript-Engine holen. + ScriptEngine *scriptPtr = static_cast<ScriptEngine *>(Kernel::GetInstance()->GetService("script")); + if (!scriptPtr) { + BS_LOG_ERRORLN("Script intialization failed."); + return Common::kUnknownError; + } + + Common::StringArray commandParameters; + scriptPtr->setCommandLine(commandParameters); + + return Common::kNoError; +} + +bool Sword25Engine::appMain() { + // The main script start. This script loads all the other scripts and starts the actual game. + ScriptEngine *scriptPtr = static_cast<ScriptEngine *>(Kernel::GetInstance()->GetService("script")); + BS_ASSERT(scriptPtr); + scriptPtr->executeFile(DEFAULT_SCRIPT_FILE); + + return true; +} + +bool Sword25Engine::appEnd() { + // The kernel is shutdown, and un-initialises all subsystems + Kernel::DeleteInstance(); + + // Free the log file if it was used + BS_Log::_CloseLog(); + + return true; +} + +bool Sword25Engine::loadPackages() { + PackageManager *packageManagerPtr = reinterpret_cast<PackageManager *>(Kernel::GetInstance()->GetService("package")); + BS_ASSERT(packageManagerPtr); + + // Load the main package + if (!packageManagerPtr->loadPackage("data.b25c", "/")) return false; + + // Get the contents of the main program directory and sort them alphabetically + Common::FSNode dir(ConfMan.get("path")); + Common::FSList files; + if (!dir.isDirectory() || !dir.getChildren(files, Common::FSNode::kListAll)) { + warning("Game data path does not exist or is not a directory"); + return false; + } + + Common::sort(files.begin(), files.end()); + + // Identity all patch packages + // The filename of patch packages must have the form patch??.b25c, with the question marks + // are placeholders for numbers. + // Since the filenames have been sorted, patches are mounted with low numbers first, through + // to ones with high numbers. This is important, because newly mount packages overwrite + // existing files in the virtual file system, if they include files with the same name. + for (Common::FSList::const_iterator it = files.begin(); it != files.end(); ++it) { + if (it->getName().matchString("patch???.b25c", true)) + if (!packageManagerPtr->loadPackage(it->getName(), "/")) + return false; + } + + // Identity and mount all language packages + // The filename of the packages have the form lang_*.b25c (eg. lang_de.b25c) + for (Common::FSList::const_iterator it = files.begin(); it != files.end(); ++it) { + if (it->getName().matchString("lang_*.b25c", true)) + if (!packageManagerPtr->loadPackage(it->getName(), "/")) + return false; + } + + return true; +} + +} // End of namespace Sword25 |