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sv_save.c
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sv_save.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$Id: sv_save.c,v 1.13 2007-10-11 05:55:47 dkure Exp $
*/
#ifndef SERVERONLY
#include "quakedef.h"
#include "server.h"
#include "sv_world.h"
extern cvar_t maxclients;
#define SAVEGAME_COMMENT_LENGTH 39
#define SAVEGAME_VERSION 6
//Writes a SAVEGAME_COMMENT_LENGTH character comment
void SV_SavegameComment (char *buffer) {
int i;
char kills[20];
for (i = 0; i < SAVEGAME_COMMENT_LENGTH; i++)
buffer[i] = ' ';
memcpy (buffer, cl.levelname, min(strlen(cl.levelname), 21));
snprintf (kills, sizeof (kills), "kills:%3i/%-3i", cl.stats[STAT_MONSTERS], cl.stats[STAT_TOTALMONSTERS]);
memcpy (buffer + 22, kills, strlen(kills));
// convert space to _ to make stdio happy
for (i = 0; i < SAVEGAME_COMMENT_LENGTH; i++)
if (buffer[i] == ' ')
buffer[i] = '_';
buffer[SAVEGAME_COMMENT_LENGTH] = 0;
}
void SV_SaveGame_f (void) {
char fname[MAX_OSPATH], comment[SAVEGAME_COMMENT_LENGTH+1];
FILE *f;
int i;
if (Cmd_Argc() != 2) {
Com_Printf ("Usage: %s <savefname> : save a game\n", Cmd_Argv(0));
return;
} else if (strstr(Cmd_Argv(1), "..")) {
Com_Printf ("Relative pathfnames are not allowed.\n");
return;
} else if (sv.state != ss_active) {
Com_Printf ("Not playing a local game.\n");
return;
} else if (cl.intermission) {
Com_Printf ("Can't save in intermission.\n");
return;
} else if (deathmatch.value != 0 || coop.value != 0 || maxclients.value != 1) {
Com_Printf ("Can't save multiplayer games.\n");
return;
}
for (i = 1; i < MAX_CLIENTS; i++) {
if (svs.clients[i].state == cs_spawned) {
Com_Printf ("Can't save multiplayer games.\n");
return;
}
}
if (svs.clients[0].state != cs_spawned) {
Com_Printf ("Can't save, client #0 not spawned.\n");
return;
} else if (svs.clients[0].edict->v.health <= 0) {
Com_Printf ("Can't save game with a dead player\n");
// in fact, we can, but does it make sense?
return;
}
snprintf (fname, sizeof(fname), "%s/save/%s", com_gamedir, Cmd_Argv(1));
COM_DefaultExtension (fname, ".sav");
Com_Printf ("Saving game to %s...\n", fname);
if (!(f = fopen (fname, "w"))) {
FS_CreatePath (fname);
if (!(f = fopen (fname, "w"))) {
Com_Printf ("ERROR: couldn't open.\n");
return;
}
}
fprintf (f, "%i\n", SAVEGAME_VERSION);
SV_SavegameComment (comment);
fprintf (f, "%s\n", comment);
for (i = 0 ; i < NUM_SPAWN_PARMS; i++)
fprintf (f, "%f\n", svs.clients->spawn_parms[i]);
fprintf (f, "%d\n", current_skill);
fprintf (f, "%s\n", sv.mapname);
fprintf (f, "%f\n", sv.time);
// write the light styles
for (i = 0; i < MAX_LIGHTSTYLES; i++) {
if (sv.lightstyles[i])
fprintf (f, "%s\n", sv.lightstyles[i]);
else
fprintf (f,"m\n");
}
ED_WriteGlobals (f);
for (i = 0; i < sv.num_edicts; i++) {
ED_Write (f, EDICT_NUM(i));
fflush (f);
}
fclose (f);
Com_Printf ("done.\n");
}
void SV_LoadGame_f (void) {
char name[MAX_OSPATH], mapname[MAX_QPATH], str[32 * 1024], *start;
FILE *f;
float time, tfloat, spawn_parms[NUM_SPAWN_PARMS];
edict_t *ent;
int entnum, version, r;
unsigned int i;
if (Cmd_Argc() != 2) {
Com_Printf ("Usage: %s <savename> : load a game\n", Cmd_Argv(0));
return;
}
snprintf (name, sizeof (name), "%s/save/%s", com_gamedir, Cmd_Argv(1));
COM_DefaultExtension (name, ".sav");
Com_Printf ("Loading game from %s...\n", name);
if (!(f = fopen (name, "rb"))) {
Com_Printf ("ERROR: couldn't open.\n");
return;
}
fscanf (f, "%i\n", &version);
if (version != SAVEGAME_VERSION) {
fclose (f);
Com_Printf ("Savegame is version %i, not %i\n", version, SAVEGAME_VERSION);
return;
}
fscanf (f, "%s\n", str);
for (i = 0; i < NUM_SPAWN_PARMS; i++)
fscanf (f, "%f\n", &spawn_parms[i]);
// this silliness is so we can load 1.06 save files, which have float skill values
fscanf (f, "%f\n", &tfloat);
current_skill = (int)(tfloat + 0.1);
Cvar_Set (&skill, va("%i", current_skill));
Cvar_SetValue (&deathmatch, 0);
Cvar_SetValue (&coop, 0);
Cvar_SetValue (&teamplay, 0);
Cvar_SetValue (&maxclients, 1);
fscanf (f, "%s\n", mapname);
fscanf (f, "%f\n", &time);
Host_EndGame();
CL_BeginLocalConnection ();
SV_SpawnServer (mapname, false);
if (sv.state != ss_active) {
Com_Printf ("Couldn't load map\n");
return;
}
Cvar_ForceSet (&sv_paused, "1"); // pause until all clients connect
sv.loadgame = true;
// load the light styles
for (i = 0; i < MAX_LIGHTSTYLES; i++) {
fscanf (f, "%s\n", str);
sv.lightstyles[i] = (char *) Hunk_Alloc (strlen(str) + 1);
strlcpy (sv.lightstyles[i], str, strlen(str) + 1);
}
// load the edicts out of the savegame file
entnum = -1; // -1 is the globals
while (!feof(f)) {
for (i = 0; i < sizeof(str) - 1; i++) {
r = fgetc (f);
if (r == EOF || !r)
break;
str[i] = r;
if (r == '}') {
i++;
break;
}
}
if (i == sizeof(str)-1)
Host_Error ("Loadgame buffer overflow");
str[i] = 0;
start = str;
start = COM_Parse(str);
if (!com_token[0])
break; // end of file
if (strcmp(com_token,"{"))
Host_Error ("First token isn't a brace");
if (entnum == -1) {
// parse the global vars
ED_ParseGlobals (start);
} else {
// parse an edict
ent = EDICT_NUM(entnum);
memset (&ent->v, 0, progs->entityfields * 4);
ent->free = false;
ED_ParseEdict (start, ent);
// link it into the bsp tree
if (!ent->free)
SV_LinkEdict (ent, false);
}
entnum++;
}
sv.num_edicts = entnum;
sv.time = time;
fclose (f);
for (i = 0; i < NUM_SPAWN_PARMS; i++)
svs.clients->spawn_parms[i] = spawn_parms[i];
}
#endif //!SERVERONLY