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/*
File name: main.cpp
Copyright: (C) 2005 - 2013 Tomasz Kazmierczak
Copyright: (C) 2006 Kamil Pawlowski
Copyright: (C) 2009 Tomasz Wisniewski
This file is part of Cytadela
* 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 3 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, see <http://www.gnu.org/licenses/>. *
Application entry point
*/
#include "CCytadelaMain.h"
#include <string>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <dirent.h>
#include <stdlib.h>
#include <errno.h>
#if defined(__APPLE__)
#include <CoreFoundation/CFURL.h>
#include <CoreFoundation/CFBundle.h>
#endif
#ifndef DATADIR
#define DATADIR "./"
#endif
using namespace std;
bool handleArgs(int argc, char *argv[])
{
if(argc > 1 and (strcmp(argv[1], "-v") == 0 or strcmp(argv[1], "--version") == 0)) {
fprintf(stdout, "Cytadela, version 1.1.0\n");
return false;
}
return true;
}
bool changeToDataDirectory()
{
int result = 0;
char dataDir[FILENAME_MAX] = {0};
#if defined(__APPLE__)
CFURLRef resourceURL = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
CFURLGetFileSystemRepresentation((__CFURL*)resourceURL, TRUE, (UInt8*)dataDir, FILENAME_MAX);
result = chdir(dataDir);
CFRelease(resourceURL);
#else
FILE *file = fopen("obj/PodziemiaT.3dg", "rb");
if(file != 0)
fclose(file);
else {
snprintf(dataDir, FILENAME_MAX, "%s", DATADIR);
result = chdir(dataDir);
}
#endif
if(result != 0) {
fprintf(stderr, "ERROR: could not open the data directory \"%s\": %s\n", dataDir, strerror(errno));
return false;
}
return true;
}
bool getSysDirectoryPath(string &path)
{
char *homeDir = getenv("HOME");
if(homeDir != 0)
path = string(homeDir) + "/.cytadela";
else path = "sys";
//check if the directory exists
DIR *dir = opendir(path.c_str());
if(dir == 0) {
//if it does not exist - create it
//TODO: replace this mess with a standard C function for creating
// directories as soon as such finction is added to the C/C++ language
#if defined(__WIN32__)
if(-1 == mkdir(path.c_str())) {
fprintf(stderr, "ERROR: could not create \"%s\" directory: %s\n", path.c_str(), strerror(errno));
perror(path.c_str());
return false;
}
#else
if(-1 == mkdir(path.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)) {
fprintf(stderr, "ERROR: could not create \"%s\" directory: %s\n", path.c_str(), strerror(errno));
perror(path.c_str());
return false;
}
#endif
} else closedir(dir);
return true;
}
int main(int argc, char *argv[])
{
fprintf(stdout, "\n");
//handle the command line arguments
if(not handleArgs(argc, argv))
return 0;
//set current directory to data directory
if(not changeToDataDirectory()) {
fprintf(stdout, "Abnormal program termination\n");
return 1;
}
CSDLClass *sdl = CSDLClass::instance();
//first we initialize SDL
if(not sdl->init()) {
fprintf(stdout, "Abnormal program termination\n");
return 1;
}
//now we can go into the game
string path;
if(not getSysDirectoryPath(path)) {
fprintf(stdout, "Abnormal program termination\n");
return 1;
}
CCytadelaMain cytadelaMain(path.c_str());
cytadelaMain.runMain();
fprintf(stdout, "\n");
return 0;
}
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