long Com_RandomLong( long lLow, long lHigh )
{
dword maxAcceptable;
dword n, x = lHigh-lLow + 1;
if( idum == 0 ) Com_SetRandomSeed(0);
if( x <= 0 || MAX_RANDOM_RANGE < x-1 )
return lLow;
// The following maps a uniform distribution on the interval [0, MAX_RANDOM_RANGE]
// to a smaller, client-specified range of [0,x-1] in a way that doesn't bias
// the uniform distribution unfavorably. Even for a worst case x, the loop is
// guaranteed to be taken no more than half the time, so for that worst case x,
// the average number of times through the loop is 2. For cases where x is
// much smaller than MAX_RANDOM_RANGE, the average number of times through the
// loop is very close to 1.
maxAcceptable = MAX_RANDOM_RANGE - ((MAX_RANDOM_RANGE+1) % x );
do
{
n = lran1();
} while( n > maxAcceptable );
return lLow + (n % x);
}
float Com_RandomFloat( float flLow, float flHigh )
{
float fl;
if( idum == 0 ) Com_SetRandomSeed(0);
fl = fran1(); // float in [0, 1)
return (fl * (flHigh - flLow)) + flLow; // float in [low, high)
}
/**
* @brief Init function
* @sa Com_ParseScripts
* @sa Qcommon_Shutdown
* @sa Sys_Init
* @sa CL_Init
*/
void Qcommon_Init (int argc, char** argv)
{
logfile_active = nullptr;
developer = nullptr;
Sys_InitSignals();
/* random seed */
Com_SetRandomSeed(time(nullptr));
com_aliasSysPool = Mem_CreatePool("Common: Alias system for commands and enums");
com_cmdSysPool = Mem_CreatePool("Common: Command system");
com_cmodelSysPool = Mem_CreatePool("Common: Collision model");
com_cvarSysPool = Mem_CreatePool("Common: Cvar system");
com_fileSysPool = Mem_CreatePool("Common: File system");
com_genericPool = Mem_CreatePool("Generic");
com_networkPool = Mem_CreatePool("Network");
try {
OBJZERO(csi);
/* prepare enough of the subsystems to handle
* cvar and command buffer management */
Com_InitArgv(argc, argv);
Swap_Init();
Cbuf_Init();
Cmd_Init();
Cvar_Init();
uploadcrashdump = Cvar_Get("uploadcrashdump", "1", 0, "upload crashdumps to the developers");
Key_Init();
/* we need to add the early commands twice, because
* a basedir needs to be set before executing
* config files, but we want other parms to override
* the settings of the config files */
Cbuf_AddEarlyCommands(false);
Cbuf_Execute();
FS_InitFilesystem(true);
Cbuf_AddText("exec default.cfg\n");
#ifdef DEDICATED_ONLY
Cbuf_AddText("exec dedconfig.cfg\n");
#else
Cbuf_AddText("exec config.cfg\n");
#endif
Cbuf_AddEarlyCommands(true);
Cbuf_Execute();
Com_SetRenderModified(false);
Com_SetUserinfoModified(false);
/* init commands and vars */
Cmd_AddCommand("saveconfig", Com_WriteConfig_f, "Write the configuration to file");
Cmd_AddCommand("gametypelist", Com_GameTypeList_f, "List all available multiplayer game types");
#ifdef DEBUG
Cmd_AddCommand("debug_help", Com_DebugHelp_f, "Show some debugging help");
Cmd_AddCommand("debug_error", Com_DebugError_f, "Just throw a fatal error to test error shutdown procedures");
#endif
Cmd_AddCommand("setdeveloper", Com_DeveloperSet_f, "Set the developer cvar to only get the debug output you want");
developer = Cvar_Get("developer", "0", 0, "Activate developer output to logfile and gameconsole");
#ifdef DEBUG
logfile_active = Cvar_Get("logfile", "2", 0, "0 = deactivate logfile, 1 = write normal logfile, 2 = flush on every new line, 3 = always append to existing file");
#else
logfile_active = Cvar_Get("logfile", "1", 0, "0 = deactivate logfile, 1 = write normal logfile, 2 = flush on every new line, 3 = always append to existing file");
#endif
sv_gametype = Cvar_Get("sv_gametype", "fight1on1", CVAR_ARCHIVE | CVAR_SERVERINFO, "Sets the multiplayer gametype - see gametypelist command for a list of all gametypes");
http_proxy = Cvar_Get("http_proxy", "", CVAR_ARCHIVE, "Use this proxy for http transfers");
http_timeout = Cvar_Get("http_timeout", "3", CVAR_ARCHIVE, "Http connection and read timeout");
port = Cvar_Get("port", DOUBLEQUOTE(PORT_SERVER), CVAR_NOSET);
masterserver_url = Cvar_Get("masterserver_url", MASTER_SERVER, CVAR_ARCHIVE, "URL of UFO:AI masterserver");
#ifdef DEDICATED_ONLY
sv_dedicated = Cvar_Get("sv_dedicated", "1", CVAR_SERVERINFO | CVAR_NOSET, "Is this a dedicated server?");
/* don't allow to override this from commandline of config */
Cvar_ForceSet("sv_dedicated", "1");
#else
sv_dedicated = Cvar_Get("sv_dedicated", "0", CVAR_SERVERINFO | CVAR_NOSET, "Is this a dedicated server?");
/* set this to false for client - otherwise Qcommon_Frame would set the initial values to multiplayer */
sv_gametype->modified = false;
s_language = Cvar_Get("s_language", "", CVAR_ARCHIVE, "Game language - full language string e.g. en_EN.UTF-8");
s_language->modified = false;
cl_maxfps = Cvar_Get("cl_maxfps", "50", CVAR_ARCHIVE);
Cvar_SetCheckFunction("cl_maxfps", Com_CvarCheckMaxFPS);
#endif
// 5 is an i7 with a medium gfx-card
// 3 dual core with 2 GB
// 2 EeePc with 1 GB
// 1 smartphone
const char* hwclassVal = "5";
#ifdef __ANDROID__
/** get the hardware class of the machine we are running on. */
hwclassVal = "1";
#endif
hwclass = Cvar_Get("hwclass", hwclassVal, 0, "Defines the hardware class of this machine. 1 is the lowest, 5 is the highest.");
const char* s = va("UFO: Alien Invasion %s %s %s %s", UFO_VERSION, CPUSTRING, __DATE__, BUILDSTRING);
Cvar_Get("version", s, CVAR_NOSET, "Full version string");
Cvar_Get("ver", UFO_VERSION, CVAR_SERVERINFO | CVAR_NOSET, "Version number");
if (sv_dedicated->integer)
Cmd_AddCommand("quit", Com_Quit, "Quits the game");
Mem_Init();
Sys_Init();
NET_Init();
#ifndef NO_HTTP
curl_global_init(CURL_GLOBAL_NOTHING);
Com_Printf("%s initialized.\n", curl_version());
#endif
SV_Init();
/* e.g. init the client hunk that is used in script parsing */
CL_Init();
Com_ParseScripts(sv_dedicated->integer);
#ifndef DEDICATED_ONLY
Cbuf_AddText("exec keys.cfg\n");
#endif
if (!sv_dedicated->integer)
Cbuf_AddText("init\n");
else
Cbuf_AddText("dedicated_start\n");
Cbuf_Execute();
FS_ExecAutoexec();
/* add + commands from command line
* if the user didn't give any commands, run default action */
if (Cbuf_AddLateCommands()) {
/* the user asked for something explicit
* so drop the loading plaque */
SCR_EndLoadingPlaque();
}
const cvar_t* com_pipefile = Cvar_Get("com_pipefile", "", CVAR_ARCHIVE, "Filename of the pipe that is used to send commands to the game");
if (com_pipefile->string[0] != '\0') {
FS_CreateOpenPipeFile(com_pipefile->string, &pipefile);
}
CL_InitAfter();
/* Check memory integrity */
Mem_CheckGlobalIntegrity();
#ifndef DEDICATED_ONLY
if (!sv_dedicated->integer) {
Schedule_Timer(cl_maxfps, &CL_Frame, nullptr, nullptr);
Schedule_Timer(Cvar_Get("cl_slowfreq", "10", 0, nullptr), &CL_SlowFrame, nullptr, nullptr);
/* now hide the console */
Sys_ShowConsole(false);
}
#endif
Schedule_Timer(Cvar_Get("sv_freq", "10", CVAR_NOSET, nullptr), &SV_Frame, nullptr, nullptr);
/** @todo This line wants to be removed */
Schedule_Timer(Cvar_Get("cbuf_freq", "10", 0, nullptr), &Cbuf_Execute_timer, nullptr, nullptr);
Com_Printf("====== UFO Initialized ======\n");
Com_Printf("=============================\n");
} catch (comDrop_t const&) {
Sys_Error("Error during initialization");
}
}
