quake2-action/g_save.c

#include "g_local.h"
#include "cgf_sfx_glass.h"

field_t fields[] = {
        {"classname", FOFS(classname), F_LSTRING},
        {"origin", FOFS(s.origin), F_VECTOR},
        {"model", FOFS(model), F_LSTRING},
        {"spawnflags", FOFS(spawnflags), F_INT},
        {"speed", FOFS(speed), F_FLOAT},
        {"accel", FOFS(accel), F_FLOAT},
        {"decel", FOFS(decel), F_FLOAT},
        {"target", FOFS(target), F_LSTRING},
        {"targetname", FOFS(targetname), F_LSTRING},
        {"pathtarget", FOFS(pathtarget), F_LSTRING},
        {"deathtarget", FOFS(deathtarget), F_LSTRING},
        {"killtarget", FOFS(killtarget), F_LSTRING},
        {"combattarget", FOFS(combattarget), F_LSTRING},
        {"message", FOFS(message), F_LSTRING},
        {"team", FOFS(team), F_LSTRING},
        {"wait", FOFS(wait), F_FLOAT},
        {"delay", FOFS(delay), F_FLOAT},
        {"random", FOFS(random), F_FLOAT},
        {"move_origin", FOFS(move_origin), F_VECTOR},
        {"move_angles", FOFS(move_angles), F_VECTOR},
        {"style", FOFS(style), F_INT},
        {"count", FOFS(count), F_INT},
        {"health", FOFS(health), F_INT},
        {"sounds", FOFS(sounds), F_INT},
        {"light", 0, F_IGNORE},
        {"dmg", FOFS(dmg), F_INT},
        {"angles", FOFS(s.angles), F_VECTOR},
        {"angle", FOFS(s.angles), F_ANGLEHACK},
        {"mass", FOFS(mass), F_INT},
        {"volume", FOFS(volume), F_FLOAT},
        {"attenuation", FOFS(attenuation), F_FLOAT},
        {"map", FOFS(map), F_LSTRING},

        // temp spawn vars -- only valid when the spawn function is called
        {"lip", STOFS(lip), F_INT, FFL_SPAWNTEMP},
        {"distance", STOFS(distance), F_INT, FFL_SPAWNTEMP},
        {"height", STOFS(height), F_INT, FFL_SPAWNTEMP},
        {"noise", STOFS(noise), F_LSTRING, FFL_SPAWNTEMP},
        {"pausetime", STOFS(pausetime), F_FLOAT, FFL_SPAWNTEMP},
        {"item", STOFS(item), F_LSTRING, FFL_SPAWNTEMP},
        {"gravity", STOFS(gravity), F_LSTRING, FFL_SPAWNTEMP},
        {"sky", STOFS(sky), F_LSTRING, FFL_SPAWNTEMP},
        {"skyrotate", STOFS(skyrotate), F_FLOAT, FFL_SPAWNTEMP},
        {"skyaxis", STOFS(skyaxis), F_VECTOR, FFL_SPAWNTEMP},
        {"minyaw", STOFS(minyaw), F_FLOAT, FFL_SPAWNTEMP},
        {"maxyaw", STOFS(maxyaw), F_FLOAT, FFL_SPAWNTEMP},
        {"minpitch", STOFS(minpitch), F_FLOAT, FFL_SPAWNTEMP},
        {"maxpitch", STOFS(maxpitch), F_FLOAT, FFL_SPAWNTEMP},
        {"nextmap", STOFS(nextmap), F_LSTRING, FFL_SPAWNTEMP}
};

// -------- just for savegames ----------
// all pointer fields should be listed here, or savegames
// won't work properly (they will crash and burn).
// this wasn't just tacked on to the fields array, because
// these don't need names, we wouldn't want map fields using
// some of these, and if one were accidentally present twice
// it would double swizzle (fuck) the pointer.

field_t         savefields[] =
{
        {"", FOFS(classname), F_LSTRING},
        {"", FOFS(target), F_LSTRING},
        {"", FOFS(targetname), F_LSTRING},
        {"", FOFS(killtarget), F_LSTRING},
        {"", FOFS(team), F_LSTRING},
        {"", FOFS(pathtarget), F_LSTRING},
        {"", FOFS(deathtarget), F_LSTRING},
        {"", FOFS(combattarget), F_LSTRING},
        {"", FOFS(model), F_LSTRING},
        {"", FOFS(map), F_LSTRING},
        {"", FOFS(message), F_LSTRING},

        {"", FOFS(client), F_CLIENT},
        {"", FOFS(item), F_ITEM},

        {"", FOFS(goalentity), F_EDICT},
        {"", FOFS(movetarget), F_EDICT},
        {"", FOFS(enemy), F_EDICT},
        {"", FOFS(oldenemy), F_EDICT},
        {"", FOFS(activator), F_EDICT},
        {"", FOFS(groundentity), F_EDICT},
        {"", FOFS(teamchain), F_EDICT},
        {"", FOFS(teammaster), F_EDICT},
        {"", FOFS(owner), F_EDICT},
        {"", FOFS(mynoise), F_EDICT},
        {"", FOFS(mynoise2), F_EDICT},
        {"", FOFS(target_ent), F_EDICT},
        {"", FOFS(chain), F_EDICT},

        {NULL, 0, F_INT}
};

field_t         levelfields[] =
{
        {"", LLOFS(changemap), F_LSTRING},

        {"", LLOFS(sight_client), F_EDICT},
        {"", LLOFS(sight_entity), F_EDICT},
        {"", LLOFS(sound_entity), F_EDICT},
        {"", LLOFS(sound2_entity), F_EDICT},

        {NULL, 0, F_INT}
};

field_t         clientfields[] =
{
        {"", CLOFS(pers.weapon), F_ITEM},
        {"", CLOFS(pers.lastweapon), F_ITEM},
        {"", CLOFS(newweapon), F_ITEM},

        {NULL, 0, F_INT}
};

/*
============
InitGame

This will be called when the dll is first loaded, which
only happens when a new game is started or a save game
is loaded.
============
*/
void InitGame (void)
{
        gi.dprintf ("==== InitGame ====\n");

        ReadConfigFile();
        ReadMOTDFile();

        gun_x = gi.cvar ("gun_x", "0", 0);
        gun_y = gi.cvar ("gun_y", "0", 0);
        gun_z = gi.cvar ("gun_z", "0", 0);

        //FIXME: sv_ prefix is wrong for these
        sv_rollspeed = gi.cvar ("sv_rollspeed", "200", 0);
        sv_rollangle = gi.cvar ("sv_rollangle", "2", 0);
        sv_maxvelocity = gi.cvar ("sv_maxvelocity", "2000", 0);
        sv_gravity = gi.cvar ("sv_gravity", "800", 0);

        // noset vars
        dedicated = gi.cvar ("dedicated", "0", CVAR_NOSET);

        // latched vars
        sv_cheats = gi.cvar ("cheats", "0", CVAR_SERVERINFO|CVAR_LATCH);
        gi.cvar ("gamename", GAMEVERSION , CVAR_SERVERINFO | CVAR_LATCH);
        gi.cvar ("gamedate", __DATE__ , CVAR_SERVERINFO | CVAR_LATCH);

        maxclients = gi.cvar ("maxclients", "8", CVAR_SERVERINFO | CVAR_LATCH);
        deathmatch = gi.cvar ("deathmatch", "1", CVAR_LATCH);
        coop = gi.cvar ("coop", "0", CVAR_LATCH);
        skill = gi.cvar ("skill", "1", CVAR_LATCH);
        maxentities = gi.cvar ("maxentities", "1024", CVAR_LATCH);

//FIREBLADE
        if (!deathmatch->value)
        {
                gi.dprintf("Turning deathmatch on.\n");
                gi.cvar_set("deathmatch", "1");
        }
        if (coop->value)
        {
                gi.dprintf("Turning coop off.\n");
                gi.cvar_set("coop", "0");
        }
//FIREBLADE

        // change anytime vars
        dmflags = gi.cvar ("dmflags", "0", CVAR_SERVERINFO);
        fraglimit = gi.cvar ("fraglimit", "0", CVAR_SERVERINFO);
        timelimit = gi.cvar ("timelimit", "0", CVAR_SERVERINFO);
        password = gi.cvar ("password", "", CVAR_USERINFO);
        filterban = gi.cvar("filterban", "1", 0);
//FIREBLADE
	needpass = gi.cvar("needpass", "0", CVAR_SERVERINFO);
        radiolog = gi.cvar("radiolog", "0", 0);
        teamplay = gi.cvar ("teamplay", "0", CVAR_SERVERINFO|CVAR_LATCH);
        motd_time = gi.cvar("motd_time", "2", 0);
        hostname = gi.cvar("hostname", "unnamed", CVAR_SERVERINFO);
        actionmaps = gi.cvar ("actionmaps", "1", 0);
        if (actionmaps->value && num_maps < 1)
        {
                gi.dprintf("No maps were read from the config file, \"actionmaps\" won't be used.\n");
                gi.cvar_set("actionmaps", "0");
        }
        nohud = gi.cvar("nohud", "0", CVAR_LATCH);
        roundlimit = gi.cvar("roundlimit", "0", CVAR_SERVERINFO);
	limchasecam = gi.cvar("limchasecam", "0", CVAR_SERVERINFO|CVAR_LATCH);
        skipmotd = gi.cvar("skipmotd", "0", 0);
        roundtimelimit = gi.cvar("roundtimelimit", "0", CVAR_SERVERINFO);
	maxteamkills = gi.cvar("maxteamkills", "0", 0);
	twbanrounds = gi.cvar("twbanrounds", "2", 0);
	tkbanrounds = gi.cvar("tkbanrounds", "2", 0);
        noscore = gi.cvar("noscore", "0", CVAR_SERVERINFO|CVAR_LATCH);
        actionversion = gi.cvar("actionversion", "none set", CVAR_SERVERINFO|CVAR_LATCH);
        gi.cvar_set("actionversion", ACTION_VERSION);
//FIREBLADE
        
        //zucc get server variables
        unique_weapons = gi.cvar("weapons", 
//FIREBLADE
// zucc changed teamplay to 1
                        teamplay->value ? "1" : "1", CVAR_SERVERINFO|CVAR_LATCH);
//FIREBLADE
        unique_items = gi.cvar("items", "1", CVAR_SERVERINFO|CVAR_LATCH);
// zucc changed ir to 1, enabled        

                ir = gi.cvar("ir", "1", CVAR_SERVERINFO);
        knifelimit = gi.cvar ("knifelimit", "40", 0);
        allweapon = gi.cvar ("allweapon", "0", CVAR_SERVERINFO);
        allitem = gi.cvar ("allitem", "0", CVAR_SERVERINFO);
        tgren = gi.cvar ("tgren", "0", CVAR_SERVERINFO);

        // zucc from action
        sv_shelloff = gi.cvar ("shelloff", "1", 0); 
        bholelimit = gi.cvar ("bholelimit", "0", 0);
        splatlimit = gi.cvar ("splatlimit", "0", 0);

        // william for CGF (glass fx)
        CGF_SFX_InstallGlassSupport();

        g_select_empty = gi.cvar ("g_select_empty", "0", CVAR_ARCHIVE);

        run_pitch = gi.cvar ("run_pitch", "0.002", 0);
        run_roll = gi.cvar ("run_roll", "0.005", 0);
        bob_up  = gi.cvar ("bob_up", "0.005", 0);
        bob_pitch = gi.cvar ("bob_pitch", "0.002", 0);
        bob_roll = gi.cvar ("bob_roll", "0.002", 0);

        // flood control
        flood_msgs = gi.cvar ("flood_msgs", "4", 0);
        flood_persecond = gi.cvar ("flood_persecond", "4", 0);
        flood_waitdelay = gi.cvar ("flood_waitdelay", "10", 0);

        // items
        InitItems ();

        Com_sprintf (game.helpmessage1, sizeof(game.helpmessage1), "");

        Com_sprintf (game.helpmessage2, sizeof(game.helpmessage2), "");

        // initialize all entities for this game
        game.maxentities = maxentities->value;
        g_edicts =  gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME);
        globals.edicts = g_edicts;
        globals.max_edicts = game.maxentities;

        // initialize all clients for this game
        game.maxclients = maxclients->value;
        game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME);
        globals.num_edicts = game.maxclients+1;
}

//=========================================================

void WriteField1 (FILE *f, field_t *field, byte *base)
{
        void            *p;
        int                     len;
        int                     index;

        p = (void *)(base + field->ofs);
        switch (field->type)
        {
        case F_INT:
        case F_FLOAT:
        case F_ANGLEHACK:
        case F_VECTOR:
        case F_IGNORE:
                break;

        case F_LSTRING:
        case F_GSTRING:
                if ( *(char **)p )
                        len = strlen(*(char **)p) + 1;
                else
                        len = 0;
                *(int *)p = len;
                break;
        case F_EDICT:
                if ( *(edict_t **)p == NULL)
                        index = -1;
                else
                        index = *(edict_t **)p - g_edicts;
                *(int *)p = index;
                break;
        case F_CLIENT:
                if ( *(gclient_t **)p == NULL)
                        index = -1;
                else
                        index = *(gclient_t **)p - game.clients;
                *(int *)p = index;
                break;
        case F_ITEM:
                if ( *(edict_t **)p == NULL)
                        index = -1;
                else
                        index = *(gitem_t **)p - itemlist;
                *(int *)p = index;
                break;

        default:
                gi.error ("WriteEdict: unknown field type");
        }
}

void WriteField2 (FILE *f, field_t *field, byte *base)
{
        int                     len;
        void            *p;

        p = (void *)(base + field->ofs);
        switch (field->type)
        {
        case F_LSTRING:
        case F_GSTRING:
                if ( *(char **)p )
                {
                        len = strlen(*(char **)p) + 1;
                        fwrite (*(char **)p, len, 1, f);
                }
                break;
        }
}

void ReadField (FILE *f, field_t *field, byte *base)
{
        void            *p;
        int                     len;
        int                     index;

        p = (void *)(base + field->ofs);
        switch (field->type)
        {
        case F_INT:
        case F_FLOAT:
        case F_ANGLEHACK:
        case F_VECTOR:
        case F_IGNORE:
                break;

        case F_LSTRING:
                len = *(int *)p;
                if (!len)
                        *(char **)p = NULL;
                else
                {
                        *(char **)p = gi.TagMalloc (len, TAG_LEVEL);
                        fread (*(char **)p, len, 1, f);
                }
                break;
        case F_GSTRING:
                len = *(int *)p;
                if (!len)
                        *(char **)p = NULL;
                else
                {
                        *(char **)p = gi.TagMalloc (len, TAG_GAME);
                        fread (*(char **)p, len, 1, f);
                }
                break;
        case F_EDICT:
                index = *(int *)p;
                if ( index == -1 )
                        *(edict_t **)p = NULL;
                else
                        *(edict_t **)p = &g_edicts[index];
                break;
        case F_CLIENT:
                index = *(int *)p;
                if ( index == -1 )
                        *(gclient_t **)p = NULL;
                else
                        *(gclient_t **)p = &game.clients[index];
                break;
        case F_ITEM:
                index = *(int *)p;
                if ( index == -1 )
                        *(gitem_t **)p = NULL;
                else
                        *(gitem_t **)p = &itemlist[index];
                break;

        default:
                gi.error ("ReadEdict: unknown field type");
        }
}

//=========================================================

/*
==============
WriteClient

All pointer variables (except function pointers) must be handled specially.
==============
*/
void WriteClient (FILE *f, gclient_t *client)
{
        field_t         *field;
        gclient_t       temp;
        
        // all of the ints, floats, and vectors stay as they are
        temp = *client;

        // change the pointers to lengths or indexes
        for (field=clientfields ; field->name ; field++)
        {
                WriteField1 (f, field, (byte *)&temp);
        }

        // write the block
        fwrite (&temp, sizeof(temp), 1, f);

        // now write any allocated data following the edict
        for (field=clientfields ; field->name ; field++)
        {
                WriteField2 (f, field, (byte *)client);
        }
}

/*
==============
ReadClient

All pointer variables (except function pointers) must be handled specially.
==============
*/
void ReadClient (FILE *f, gclient_t *client)
{
        field_t         *field;

        fread (client, sizeof(*client), 1, f);

        for (field=clientfields ; field->name ; field++)
        {
                ReadField (f, field, (byte *)client);
        }
}

/*
============
WriteGame

This will be called whenever the game goes to a new level,
and when the user explicitly saves the game.

Game information include cross level data, like multi level
triggers, help computer info, and all client states.

A single player death will automatically restore from the
last save position.
============
*/
void WriteGame (char *filename, qboolean autosave)
{
        FILE    *f;
        int             i;
        char    str[16];

        if (!autosave)
                SaveClientData ();

        f = fopen (filename, "wb");
        if (!f)
                gi.error ("Couldn't open %s", filename);

        memset (str, 0, sizeof(str));
        strcpy (str, __DATE__);
        fwrite (str, sizeof(str), 1, f);

        game.autosaved = autosave;
        fwrite (&game, sizeof(game), 1, f);
        game.autosaved = false;

        for (i=0 ; i<game.maxclients ; i++)
                WriteClient (f, &game.clients[i]);

        fclose (f);
}

void ReadGame (char *filename)
{
        FILE    *f;
        int             i;
        char    str[16];

        gi.FreeTags (TAG_GAME);

        f = fopen (filename, "rb");
        if (!f)
                gi.error ("Couldn't open %s", filename);

        fread (str, sizeof(str), 1, f);
        if (strcmp (str, __DATE__))
        {
                fclose (f);
                gi.error ("Savegame from an older version.\n");
        }

        g_edicts =  gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME);
        globals.edicts = g_edicts;

        fread (&game, sizeof(game), 1, f);
        game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME);
        for (i=0 ; i<game.maxclients ; i++)
                ReadClient (f, &game.clients[i]);

        fclose (f);
}

//==========================================================


/*
==============
WriteEdict

All pointer variables (except function pointers) must be handled specially.
==============
*/
void WriteEdict (FILE *f, edict_t *ent)
{
        field_t         *field;
        edict_t         temp;

        // all of the ints, floats, and vectors stay as they are
        temp = *ent;

        // change the pointers to lengths or indexes
        for (field=savefields ; field->name ; field++)
        {
                WriteField1 (f, field, (byte *)&temp);
        }

        // write the block
        fwrite (&temp, sizeof(temp), 1, f);

        // now write any allocated data following the edict
        for (field=savefields ; field->name ; field++)
        {
                WriteField2 (f, field, (byte *)ent);
        }

}

/*
==============
WriteLevelLocals

All pointer variables (except function pointers) must be handled specially.
==============
*/
void WriteLevelLocals (FILE *f)
{
        field_t         *field;
        level_locals_t          temp;

        // all of the ints, floats, and vectors stay as they are
        temp = level;

        // change the pointers to lengths or indexes
        for (field=levelfields ; field->name ; field++)
        {
                WriteField1 (f, field, (byte *)&temp);
        }

        // write the block
        fwrite (&temp, sizeof(temp), 1, f);

        // now write any allocated data following the edict
        for (field=levelfields ; field->name ; field++)
        {
                WriteField2 (f, field, (byte *)&level);
        }
}


/*
==============
ReadEdict

All pointer variables (except function pointers) must be handled specially.
==============
*/
void ReadEdict (FILE *f, edict_t *ent)
{
        field_t         *field;

        fread (ent, sizeof(*ent), 1, f);

        for (field=savefields ; field->name ; field++)
        {
                ReadField (f, field, (byte *)ent);
        }
}

/*
==============
ReadLevelLocals

All pointer variables (except function pointers) must be handled specially.
==============
*/
void ReadLevelLocals (FILE *f)
{
        field_t         *field;

        fread (&level, sizeof(level), 1, f);

        for (field=levelfields ; field->name ; field++)
        {
                ReadField (f, field, (byte *)&level);
        }
}

/*
=================
WriteLevel

=================
*/
void WriteLevel (char *filename)
{
        int             i;
        edict_t *ent;
        FILE    *f;
        void    *base;

        f = fopen (filename, "wb");
        if (!f)
                gi.error ("Couldn't open %s", filename);

        // write out edict size for checking
        i = sizeof(edict_t);
        fwrite (&i, sizeof(i), 1, f);

        // write out a function pointer for checking
        base = (void *)InitGame;
        fwrite (&base, sizeof(base), 1, f);

        // write out level_locals_t
        WriteLevelLocals (f);

        // write out all the entities
        for (i=0 ; i<globals.num_edicts ; i++)
        {
                ent = &g_edicts[i];
                if (!ent->inuse)
                        continue;
                fwrite (&i, sizeof(i), 1, f);
                WriteEdict (f, ent);
        }
        i = -1;
        fwrite (&i, sizeof(i), 1, f);

        fclose (f);
}


/*
=================
ReadLevel

SpawnEntities will already have been called on the
level the same way it was when the level was saved.

That is necessary to get the baselines
set up identically.

The server will have cleared all of the world links before
calling ReadLevel.

No clients are connected yet.
=================
*/
void ReadLevel (char *filename)
{
        int             entnum;
        FILE    *f;
        int             i;
        void    *base;
        edict_t *ent;

        f = fopen (filename, "rb");
        if (!f)
                gi.error ("Couldn't open %s", filename);

        // free any dynamic memory allocated by loading the level
        // base state
        gi.FreeTags (TAG_LEVEL);

        // wipe all the entities
        memset (g_edicts, 0, game.maxentities*sizeof(g_edicts[0]));
        globals.num_edicts = maxclients->value+1;

        // check edict size
        fread (&i, sizeof(i), 1, f);
        if (i != sizeof(edict_t))
        {
                fclose (f);
                gi.error ("ReadLevel: mismatched edict size");
        }

        // check function pointer base address
        fread (&base, sizeof(base), 1, f);
        if (base != (void *)InitGame)
        {
                fclose (f);
                gi.error ("ReadLevel: function pointers have moved");
        }

        // load the level locals
        ReadLevelLocals (f);

        // load all the entities
        while (1)
        {
                if (fread (&entnum, sizeof(entnum), 1, f) != 1)
                {
                        fclose (f);
                        gi.error ("ReadLevel: failed to read entnum");
                }
                if (entnum == -1)
                        break;
                if (entnum >= globals.num_edicts)
                        globals.num_edicts = entnum+1;

                ent = &g_edicts[entnum];
                ReadEdict (f, ent);

                // let the server rebuild world links for this ent
                memset (&ent->area, 0, sizeof(ent->area));
                gi.linkentity (ent);
        }

        fclose (f);

        // mark all clients as unconnected
        for (i=0 ; i<maxclients->value ; i++)
        {
                ent = &g_edicts[i+1];
                ent->client = game.clients + i;
                ent->client->pers.connected = false;
        }

        // do any load time things at this point
        for (i=0 ; i<globals.num_edicts ; i++)
        {
                ent = &g_edicts[i];

                if (!ent->inuse)
                        continue;

                // fire any cross-level triggers
                if (ent->classname)
                        if (strcmp(ent->classname, "target_crosslevel_target") == 0)
                                ent->nextthink = level.time + ent->delay;
        }
}