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openmw-tes3mp/apps/openmw/main.cpp

394 lines
14 KiB
C++

#include <iostream>
#include <cstdio>
#include <components/version/version.hpp>
#include <components/files/configurationmanager.hpp>
#include <components/fallback/validate.hpp>
#include <SDL_messagebox.h>
#include <SDL_main.h>
#include "engine.hpp"
#include <boost/iostreams/concepts.hpp>
#include <boost/iostreams/stream_buffer.hpp>
#include <boost/filesystem/fstream.hpp>
#if defined(_WIN32)
// For OutputDebugString
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
// makes __argc and __argv available on windows
#include <cstdlib>
#endif
#if (defined(__APPLE__) || (defined(__linux) && !defined(ANDROID)) || (defined(__unix) && !defined(ANDROID)) || defined(__posix))
#define USE_CRASH_CATCHER 1
#else
#define USE_CRASH_CATCHER 0
#endif
#if USE_CRASH_CATCHER
#include <csignal>
extern int cc_install_handlers(int argc, char **argv, int num_signals, int *sigs, const char *logfile, int (*user_info)(char*, char*));
extern int is_debugger_attached(void);
#endif
#include <boost/version.hpp>
/**
* Workaround for problems with whitespaces in paths in older versions of Boost library
*/
#if (BOOST_VERSION <= 104600)
namespace boost
{
template<>
inline boost::filesystem::path lexical_cast<boost::filesystem::path, std::string>(const std::string& arg)
{
return boost::filesystem::path(arg);
}
} /* namespace boost */
#endif /* (BOOST_VERSION <= 104600) */
using namespace Fallback;
/**
* \brief Parses application command line and calls \ref Cfg::ConfigurationManager
* to parse configuration files.
*
* Results are directly written to \ref Engine class.
*
* \retval true - Everything goes OK
* \retval false - Error
*/
bool parseOptions (int argc, char** argv, OMW::Engine& engine, Files::ConfigurationManager& cfgMgr)
{
// Create a local alias for brevity
namespace bpo = boost::program_options;
typedef std::vector<std::string> StringsVector;
bpo::options_description desc("Syntax: openmw <options>\nAllowed options");
desc.add_options()
("help", "print help message")
("version", "print version information and quit")
("data", bpo::value<Files::PathContainer>()->default_value(Files::PathContainer(), "data")
->multitoken()->composing(), "set data directories (later directories have higher priority)")
("data-local", bpo::value<std::string>()->default_value(""),
"set local data directory (highest priority)")
("fallback-archive", bpo::value<StringsVector>()->default_value(StringsVector(), "fallback-archive")
->multitoken(), "set fallback BSA archives (later archives have higher priority)")
("resources", bpo::value<std::string>()->default_value("resources"),
"set resources directory")
("start", bpo::value<std::string>()->default_value(""),
"set initial cell")
("content", bpo::value<StringsVector>()->default_value(StringsVector(), "")
->multitoken(), "content file(s): esm/esp, or omwgame/omwaddon")
("no-sound", bpo::value<bool>()->implicit_value(true)
->default_value(false), "disable all sounds")
("script-verbose", bpo::value<bool>()->implicit_value(true)
->default_value(false), "verbose script output")
("script-all", bpo::value<bool>()->implicit_value(true)
->default_value(false), "compile all scripts (excluding dialogue scripts) at startup")
("script-all-dialogue", bpo::value<bool>()->implicit_value(true)
->default_value(false), "compile all dialogue scripts at startup")
("script-console", bpo::value<bool>()->implicit_value(true)
->default_value(false), "enable console-only script functionality")
("script-run", bpo::value<std::string>()->default_value(""),
"select a file containing a list of console commands that is executed on startup")
("script-warn", bpo::value<int>()->implicit_value (1)
->default_value (1),
"handling of warnings when compiling scripts\n"
"\t0 - ignore warning\n"
"\t1 - show warning but consider script as correctly compiled anyway\n"
"\t2 - treat warnings as errors")
("script-blacklist", bpo::value<StringsVector>()->default_value(StringsVector(), "")
->multitoken(), "ignore the specified script (if the use of the blacklist is enabled)")
("script-blacklist-use", bpo::value<bool>()->implicit_value(true)
->default_value(true), "enable script blacklisting")
("load-savegame", bpo::value<std::string>()->default_value(""),
"load a save game file on game startup (specify an absolute filename or a filename relative to the current working directory)")
("skip-menu", bpo::value<bool>()->implicit_value(true)
->default_value(false), "skip main menu on game startup")
("new-game", bpo::value<bool>()->implicit_value(true)
->default_value(false), "run new game sequence (ignored if skip-menu=0)")
("fs-strict", bpo::value<bool>()->implicit_value(true)
->default_value(false), "strict file system handling (no case folding)")
( "encoding", bpo::value<std::string>()->
default_value("win1252"),
"Character encoding used in OpenMW game messages:\n"
"\n\twin1250 - Central and Eastern European such as Polish, Czech, Slovak, Hungarian, Slovene, Bosnian, Croatian, Serbian (Latin script), Romanian and Albanian languages\n"
"\n\twin1251 - Cyrillic alphabet such as Russian, Bulgarian, Serbian Cyrillic and other languages\n"
"\n\twin1252 - Western European (Latin) alphabet, used by default")
("fallback", bpo::value<FallbackMap>()->default_value(FallbackMap(), "")
->multitoken()->composing(), "fallback values")
("no-grab", "Don't grab mouse cursor")
("export-fonts", bpo::value<bool>()->implicit_value(true)
->default_value(false), "Export Morrowind .fnt fonts to PNG image and XML file in current directory")
("activate-dist", bpo::value <int> ()->default_value (-1), "activation distance override");
bpo::parsed_options valid_opts = bpo::command_line_parser(argc, argv)
.options(desc).allow_unregistered().run();
bpo::variables_map variables;
// Runtime options override settings from all configs
bpo::store(valid_opts, variables);
bpo::notify(variables);
if (variables.count ("help"))
{
std::cout << desc << std::endl;
return false;
}
if (variables.count ("version"))
{
cfgMgr.readConfiguration(variables, desc, true);
Version::Version v = Version::getOpenmwVersion(variables["resources"].as<std::string>());
std::cout << v.describe() << std::endl;
return false;
}
cfgMgr.readConfiguration(variables, desc);
Version::Version v = Version::getOpenmwVersion(variables["resources"].as<std::string>());
std::cout << v.describe() << std::endl;
engine.setGrabMouse(!variables.count("no-grab"));
// Font encoding settings
std::string encoding(variables["encoding"].as<std::string>());
std::cout << ToUTF8::encodingUsingMessage(encoding) << std::endl;
engine.setEncoding(ToUTF8::calculateEncoding(encoding));
// directory settings
engine.enableFSStrict(variables["fs-strict"].as<bool>());
Files::PathContainer dataDirs(variables["data"].as<Files::PathContainer>());
std::string local(variables["data-local"].as<std::string>());
if (!local.empty())
{
dataDirs.push_back(Files::PathContainer::value_type(local));
}
cfgMgr.processPaths(dataDirs);
engine.setDataDirs(dataDirs);
// fallback archives
StringsVector archives = variables["fallback-archive"].as<StringsVector>();
for (StringsVector::const_iterator it = archives.begin(); it != archives.end(); ++it)
{
engine.addArchive(*it);
}
engine.setResourceDir(variables["resources"].as<std::string>());
StringsVector content = variables["content"].as<StringsVector>();
if (content.empty())
{
std::cout << "No content file given (esm/esp, nor omwgame/omwaddon). Aborting..." << std::endl;
return false;
}
StringsVector::const_iterator it(content.begin());
StringsVector::const_iterator end(content.end());
for (; it != end; ++it)
{
engine.addContentFile(*it);
}
// startup-settings
engine.setCell(variables["start"].as<std::string>());
engine.setSkipMenu (variables["skip-menu"].as<bool>(), variables["new-game"].as<bool>());
if (!variables["skip-menu"].as<bool>() && variables["new-game"].as<bool>())
std::cerr << "new-game used without skip-menu -> ignoring it" << std::endl;
// scripts
engine.setCompileAll(variables["script-all"].as<bool>());
engine.setCompileAllDialogue(variables["script-all-dialogue"].as<bool>());
engine.setScriptsVerbosity(variables["script-verbose"].as<bool>());
engine.setScriptConsoleMode (variables["script-console"].as<bool>());
engine.setStartupScript (variables["script-run"].as<std::string>());
engine.setWarningsMode (variables["script-warn"].as<int>());
engine.setScriptBlacklist (variables["script-blacklist"].as<StringsVector>());
engine.setScriptBlacklistUse (variables["script-blacklist-use"].as<bool>());
engine.setSaveGameFile (variables["load-savegame"].as<std::string>());
// other settings
engine.setSoundUsage(!variables["no-sound"].as<bool>());
engine.setFallbackValues(variables["fallback"].as<FallbackMap>().mMap);
engine.setActivationDistanceOverride (variables["activate-dist"].as<int>());
engine.enableFontExport(variables["export-fonts"].as<bool>());
return true;
}
#if defined(_WIN32) && defined(_DEBUG)
class DebugOutput : public boost::iostreams::sink
{
public:
std::streamsize write(const char *str, std::streamsize size)
{
// Make a copy for null termination
std::string tmp (str, static_cast<unsigned int>(size));
// Write string to Visual Studio Debug output
OutputDebugString (tmp.c_str ());
return size;
}
};
#else
class Tee : public boost::iostreams::sink
{
public:
Tee(std::ostream &stream, std::ostream &stream2)
: out(stream), out2(stream2)
{
}
std::streamsize write(const char *str, std::streamsize size)
{
out.write (str, size);
out.flush();
out2.write (str, size);
out2.flush();
return size;
}
private:
std::ostream &out;
std::ostream &out2;
};
#endif
int main(int argc, char**argv)
{
#if defined(__APPLE__)
setenv("OSG_GL_TEXTURE_STORAGE", "OFF", 0);
#endif
// Some objects used to redirect cout and cerr
// Scope must be here, so this still works inside the catch block for logging exceptions
std::streambuf* cout_rdbuf = std::cout.rdbuf ();
std::streambuf* cerr_rdbuf = std::cerr.rdbuf ();
#if !(defined(_WIN32) && defined(_DEBUG))
boost::iostreams::stream_buffer<Tee> coutsb;
boost::iostreams::stream_buffer<Tee> cerrsb;
#endif
std::ostream oldcout(cout_rdbuf);
std::ostream oldcerr(cerr_rdbuf);
boost::filesystem::ofstream logfile;
std::auto_ptr<OMW::Engine> engine;
int ret = 0;
try
{
Files::ConfigurationManager cfgMgr;
#if defined(_WIN32) && defined(_DEBUG)
// Redirect cout and cerr to VS debug output when running in debug mode
boost::iostreams::stream_buffer<DebugOutput> sb;
sb.open(DebugOutput());
std::cout.rdbuf (&sb);
std::cerr.rdbuf (&sb);
#else
// Redirect cout and cerr to openmw.log
logfile.open (boost::filesystem::path(cfgMgr.getLogPath() / "/openmw.log"));
coutsb.open (Tee(logfile, oldcout));
cerrsb.open (Tee(logfile, oldcerr));
std::cout.rdbuf (&coutsb);
std::cerr.rdbuf (&cerrsb);
#endif
#if USE_CRASH_CATCHER
// Unix crash catcher
if ((argc == 2 && strcmp(argv[1], "--cc-handle-crash") == 0) || !is_debugger_attached())
{
int s[5] = { SIGSEGV, SIGILL, SIGFPE, SIGBUS, SIGABRT };
cc_install_handlers(argc, argv, 5, s, (cfgMgr.getLogPath() / "crash.log").string().c_str(), NULL);
std::cout << "Installing crash catcher" << std::endl;
}
else
std::cout << "Running in a debugger, not installing crash catcher" << std::endl;
#endif
#ifdef __APPLE__
// FIXME: set current dir to bundle path
//boost::filesystem::path bundlePath = boost::filesystem::path(Ogre::macBundlePath()).parent_path();
//boost::filesystem::current_path(bundlePath);
#endif
engine.reset(new OMW::Engine(cfgMgr));
if (parseOptions(argc, argv, *engine, cfgMgr))
{
engine->go();
}
}
catch (std::exception &e)
{
#if (defined(__APPLE__) || defined(__linux) || defined(__unix) || defined(__posix))
if (!isatty(fileno(stdin)))
#endif
SDL_ShowSimpleMessageBox(0, "OpenMW: Fatal error", e.what(), NULL);
std::cerr << "\nERROR: " << e.what() << std::endl;
ret = 1;
}
// Restore cout and cerr
std::cout.rdbuf(cout_rdbuf);
std::cerr.rdbuf(cerr_rdbuf);
return ret;
}
// Platform specific for Windows when there is no console built into the executable.
// Windows will call the WinMain function instead of main in this case, the normal
// main function is then called with the __argc and __argv parameters.
#if defined(_WIN32) && !defined(_CONSOLE)
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
return main(__argc, __argv);
}
#endif