static void NET_SV_ParseSYN(net_packet_t *packet,
net_client_t *client,
net_addr_t *addr)
{
unsigned int magic;
net_connect_data_t data;
char *player_name;
char *client_version;
int i;
// read the magic number
if (!NET_ReadInt32(packet, &magic))
{
return;
}
if (magic != NET_MAGIC_NUMBER)
{
// invalid magic number
return;
}
// Check the client version is the same as the server
client_version = NET_ReadString(packet);
if (client_version == NULL)
{
return;
}
if (strcmp(client_version, PACKAGE_STRING) != 0)
{
//!
// @category net
//
// When running a netgame server, ignore version mismatches between
// the server and the client. Using this option may cause game
// desyncs to occur, or differences in protocol may mean the netgame
// will simply not function at all.
//
if (M_CheckParm("-ignoreversion") == 0)
{
NET_SV_SendReject(addr,
"Different " PACKAGE_NAME " versions cannot play a net game!\n"
"Version mismatch: server version is: " PACKAGE_STRING);
return;
}
}
// read the game mode and mission
if (!NET_ReadConnectData(packet, &data))
{
return;
}
if (!D_ValidGameMode(data.gamemission, data.gamemode))
{
return;
}
// Check max_players value. This must be in a sensible range.
if (data.max_players > NET_MAXPLAYERS)
{
return;
}
// read the player's name
player_name = NET_ReadString(packet);
if (player_name == NULL)
{
return;
}
// received a valid SYN
// not accepting new connections?
if (server_state != SERVER_WAITING_LAUNCH)
{
NET_SV_SendReject(addr, "Server is not currently accepting connections");
return;
}
// allocate a client slot if there isn't one already
if (client == NULL)
{
// find a slot, or return if none found
for (i=0; i<MAXNETNODES; ++i)
{
if (!clients[i].active)
{
client = &clients[i];
break;
}
}
if (client == NULL)
{
return;
}
}
else
{
// If this is a recently-disconnected client, deactivate
// to allow immediate reconnection
if (client->connection.state == NET_CONN_STATE_DISCONNECTED)
{
client->active = false;
}
}
// New client?
if (!client->active)
{
int num_players;
// Before accepting a new client, check that there is a slot
// free
NET_SV_AssignPlayers();
num_players = NET_SV_NumPlayers();
if ((!data.drone && num_players >= NET_SV_MaxPlayers())
|| NET_SV_NumClients() >= MAXNETNODES)
{
NET_SV_SendReject(addr, "Server is full!");
return;
}
// TODO: Add server option to allow rejecting clients which
// set lowres_turn. This is potentially desirable as the
// presence of such clients affects turning resolution.
// Adopt the game mode and mission of the first connecting client
if (num_players == 0 && !data.drone)
{
sv_gamemode = data.gamemode;
sv_gamemission = data.gamemission;
}
// Save the SHA1 checksums
memcpy(client->wad_sha1sum, data.wad_sha1sum, sizeof(sha1_digest_t));
memcpy(client->deh_sha1sum, data.deh_sha1sum, sizeof(sha1_digest_t));
client->is_freedoom = data.is_freedoom;
client->max_players = data.max_players;
// Check the connecting client is playing the same game as all
// the other clients
if (data.gamemode != sv_gamemode || data.gamemission != sv_gamemission)
{
NET_SV_SendReject(addr, "You are playing the wrong game!");
return;
}
// Activate, initialize connection
NET_SV_InitNewClient(client, addr, player_name);
client->recording_lowres = data.lowres_turn;
client->drone = data.drone;
client->player_class = data.player_class;
}
if (client->connection.state == NET_CONN_STATE_WAITING_ACK)
{
// force an acknowledgement
client->connection.last_send_time = -1;
}
}
//
// E_EDFResetWarnings
//
// Resets the count of warnings to zero.
//
void E_EDFResetWarnings()
{
edf_warning_count = 0;
edf_warning_out = !!M_CheckParm("-edf-show-warnings");
}
void I_GraphicsCheckCommandLine(void)
{
int i;
//!
// @category video
// @vanilla
//
// Disable blitting the screen.
//
noblit = M_CheckParm ("-noblit");
//!
// @category video
//
// Don't grab the mouse when running in windowed mode.
//
nograbmouse_override = M_ParmExists("-nograbmouse");
// default to fullscreen mode, allow override with command line
// nofullscreen because we love prboom
//!
// @category video
//
// Run in a window.
//
if (M_CheckParm("-window") || M_CheckParm("-nofullscreen"))
{
fullscreen = false;
}
//!
// @category video
//
// Run in fullscreen mode.
//
if (M_CheckParm("-fullscreen"))
{
fullscreen = true;
}
//!
// @category video
//
// Disable the mouse.
//
nomouse = M_CheckParm("-nomouse") > 0;
//!
// @category video
// @arg <x>
//
// Specify the screen width, in pixels. Implies -window.
//
i = M_CheckParmWithArgs("-width", 1);
if (i > 0)
{
window_width = atoi(myargv[i + 1]);
window_height = window_width * 2;
AdjustWindowSize();
fullscreen = false;
}
//!
// @category video
// @arg <y>
//
// Specify the screen height, in pixels. Implies -window.
//
i = M_CheckParmWithArgs("-height", 1);
if (i > 0)
{
window_height = atoi(myargv[i + 1]);
window_width = window_height * 2;
AdjustWindowSize();
fullscreen = false;
}
//!
// @category video
// @arg <WxY>
//
// Specify the dimensions of the window. Implies -window.
//
i = M_CheckParmWithArgs("-geometry", 1);
if (i > 0)
{
int w, h, s;
s = sscanf(myargv[i + 1], "%ix%i", &w, &h);
if (s == 2)
{
window_width = w;
window_height = h;
fullscreen = false;
}
}
//!
// @category video
//
// Don't scale up the screen. Implies -window.
//
if (M_CheckParm("-1"))
{
SetScaleFactor(1);
}
//!
// @category video
//
// Double up the screen to 2x its normal size. Implies -window.
//
if (M_CheckParm("-2"))
{
SetScaleFactor(2);
}
//!
// @category video
//
// Double up the screen to 3x its normal size. Implies -window.
//
if (M_CheckParm("-3"))
{
SetScaleFactor(3);
}
}
void M_LoadDefaults (void)
{
int i;
int len;
FILE* f;
char def[80];
char strparm[100];
char* newstring = NULL; // killough
int parm;
boolean isstring;
// set everything to base values
numdefaults = sizeof(defaults) / sizeof(defaults[0]);
for (i = 0 ; i < numdefaults ; i++) {
if (defaults[i].location.ppsz)
*defaults[i].location.ppsz = strdup(defaults[i].defaultvalue.psz);
if (defaults[i].location.pi)
*defaults[i].location.pi = defaults[i].defaultvalue.i;
}
// check for a custom default file
#if ((defined GL_DOOM) && (defined _MSC_VER))
#define BOOM_CFG "glboom.cfg"
#else
#define BOOM_CFG "prboom.cfg"
#endif
i = M_CheckParm ("-config");
if (i && i < myargc-1)
defaultfile = strdup(myargv[i+1]);
else {
const char* exedir = I_DoomExeDir();
/* get config file from same directory as executable */
#if 1
int len = doom_snprintf(NULL, 0, BOOM_CFG);
defaultfile = malloc(len+1);
doom_snprintf(defaultfile, len+1, BOOM_CFG);
#else
int len = doom_snprintf(NULL, 0, "%s/" BOOM_CFG, exedir);
defaultfile = malloc(len+1);
doom_snprintf(defaultfile, len+1, "%s/" BOOM_CFG, exedir);
#endif
}
lprintf (LO_CONFIRM, " default file: %s\n",defaultfile);
// read the file in, overriding any set defaults
f = fopen (defaultfile, "r");
if (f)
{
while (!feof(f))
{
isstring = false;
if (fscanf (f, "%79s %[^\n]\n", def, strparm) == 2)
{
//jff 3/3/98 skip lines not starting with an alphanum
if (!isalnum(def[0]))
continue;
if (strparm[0] == '"') {
// get a string default
isstring = true;
len = strlen(strparm);
newstring = (char *) malloc(len);
strparm[len-1] = 0; // clears trailing double-quote mark
strcpy(newstring, strparm+1); // clears leading double-quote mark
} else if ((strparm[0] == '0') && (strparm[1] == 'x')) {
// CPhipps - allow ints to be specified in hex
sscanf(strparm+2, "%x", &parm);
} else {
sscanf(strparm, "%i", &parm);
// Keycode hack removed
}
for (i = 0 ; i < numdefaults ; i++)
if ((defaults[i].type != def_none) && !strcmp(def, defaults[i].name))
{
// CPhipps - safety check
if (isstring != IS_STRING(defaults[i])) {
lprintf(LO_WARN, "M_LoadDefaults: Type mismatch reading %s\n", defaults[i].name);
continue;
}
if (!isstring)
{
//jff 3/4/98 range check numeric parameters
if ((defaults[i].minvalue==UL || defaults[i].minvalue<=parm) &&
(defaults[i].maxvalue==UL || defaults[i].maxvalue>=parm))
*(defaults[i].location.pi) = parm;
}
else
{
union { const char **c; char **s; } u; // type punning via unions
u.c = defaults[i].location.ppsz;
free(*(u.s));
*(u.s) = newstring;
}
break;
}
}
}
fclose (f);
}
//jff 3/4/98 redundant range checks for hud deleted here
}
