g_spawn.c

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/*
Copyright (C) 1997-2001 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.
 
*/
 
#include "g_local.h"
 
typedef struct
{
    char    *name;
    void    (*spawn)(edict_t *ent);
} spawn_t;
 
 
void SP_item_health (edict_t *self);
void SP_item_health_small (edict_t *self);
void SP_item_health_large (edict_t *self);
void SP_item_health_mega (edict_t *self);
 
void SP_info_player_start (edict_t *ent);
void SP_info_player_deathmatch (edict_t *ent);
void SP_info_player_coop (edict_t *ent);
void SP_info_player_intermission (edict_t *ent);
 
void SP_func_plat (edict_t *ent);
void SP_func_rotating (edict_t *ent);
void SP_func_button (edict_t *ent);
void SP_func_door (edict_t *ent);
void SP_func_door_secret (edict_t *ent);
void SP_func_door_rotating (edict_t *ent);
void SP_func_water (edict_t *ent);
void SP_func_train (edict_t *ent);
void SP_func_conveyor (edict_t *self);
void SP_func_wall (edict_t *self);
void SP_func_object (edict_t *self);
void SP_func_explosive (edict_t *self);
void SP_func_timer (edict_t *self);
void SP_func_areaportal (edict_t *ent);
void SP_func_clock (edict_t *ent);
void SP_func_killbox (edict_t *ent);
 
void SP_trigger_always (edict_t *ent);
void SP_trigger_once (edict_t *ent);
void SP_trigger_multiple (edict_t *ent);
void SP_trigger_relay (edict_t *ent);
void SP_trigger_push (edict_t *ent);
void SP_trigger_hurt (edict_t *ent);
void SP_trigger_key (edict_t *ent);
void SP_trigger_counter (edict_t *ent);
void SP_trigger_elevator (edict_t *ent);
void SP_trigger_gravity (edict_t *ent);
void SP_trigger_monsterjump (edict_t *ent);
 
void SP_target_temp_entity (edict_t *ent);
void SP_target_speaker (edict_t *ent);
void SP_target_explosion (edict_t *ent);
void SP_target_changelevel (edict_t *ent);
void SP_target_secret (edict_t *ent);
void SP_target_goal (edict_t *ent);
void SP_target_splash (edict_t *ent);
void SP_target_spawner (edict_t *ent);
void SP_target_blaster (edict_t *ent);
void SP_target_crosslevel_trigger (edict_t *ent);
void SP_target_crosslevel_target (edict_t *ent);
void SP_target_laser (edict_t *self);
void SP_target_help (edict_t *ent);
void SP_target_actor (edict_t *ent);
void SP_target_lightramp (edict_t *self);
void SP_target_earthquake (edict_t *ent);
void SP_target_character (edict_t *ent);
void SP_target_string (edict_t *ent);
 
void SP_worldspawn (edict_t *ent);
void SP_viewthing (edict_t *ent);
 
void SP_light (edict_t *self);
void SP_light_mine1 (edict_t *ent);
void SP_light_mine2 (edict_t *ent);
void SP_info_null (edict_t *self);
void SP_info_notnull (edict_t *self);
void SP_path_corner (edict_t *self);
void SP_point_combat (edict_t *self);
 
void SP_misc_explobox (edict_t *self);
void SP_misc_banner (edict_t *self);
void SP_misc_satellite_dish (edict_t *self);
void SP_misc_actor (edict_t *self);
void SP_misc_gib_arm (edict_t *self);
void SP_misc_gib_leg (edict_t *self);
void SP_misc_gib_head (edict_t *self);
void SP_misc_insane (edict_t *self);
void SP_misc_deadsoldier (edict_t *self);
void SP_misc_viper (edict_t *self);
void SP_misc_viper_bomb (edict_t *self);
void SP_misc_bigviper (edict_t *self);
void SP_misc_strogg_ship (edict_t *self);
void SP_misc_teleporter (edict_t *self);
void SP_misc_teleporter_dest (edict_t *self);
void SP_misc_blackhole (edict_t *self);
void SP_misc_eastertank (edict_t *self);
void SP_misc_easterchick (edict_t *self);
void SP_misc_easterchick2 (edict_t *self);
 
void SP_monster_berserk (edict_t *self);
void SP_monster_gladiator (edict_t *self);
void SP_monster_gunner (edict_t *self);
void SP_monster_infantry (edict_t *self);
void SP_monster_soldier_light (edict_t *self);
void SP_monster_soldier (edict_t *self);
void SP_monster_soldier_ss (edict_t *self);
void SP_monster_tank (edict_t *self);
void SP_monster_medic (edict_t *self);
void SP_monster_flipper (edict_t *self);
void SP_monster_chick (edict_t *self);
void SP_monster_parasite (edict_t *self);
void SP_monster_flyer (edict_t *self);
void SP_monster_brain (edict_t *self);
void SP_monster_floater (edict_t *self);
void SP_monster_hover (edict_t *self);
void SP_monster_mutant (edict_t *self);
void SP_monster_supertank (edict_t *self);
void SP_monster_boss2 (edict_t *self);
void SP_monster_jorg (edict_t *self);
void SP_monster_boss3_stand (edict_t *self);
 
void SP_monster_commander_body (edict_t *self);
 
void SP_turret_breach (edict_t *self);
void SP_turret_base (edict_t *self);
void SP_turret_driver (edict_t *self);
 
 
spawn_t spawns[] = {
    {"item_health", SP_item_health},
    {"item_health_small", SP_item_health_small},
    {"item_health_large", SP_item_health_large},
    {"item_health_mega", SP_item_health_mega},
 
    {"info_player_start", SP_info_player_start},
    {"info_player_deathmatch", SP_info_player_deathmatch},
    {"info_player_coop", SP_info_player_coop},
    {"info_player_intermission", SP_info_player_intermission},
 
    {"func_plat", SP_func_plat},
    {"func_button", SP_func_button},
    {"func_door", SP_func_door},
    {"func_door_secret", SP_func_door_secret},
    {"func_door_rotating", SP_func_door_rotating},
    {"func_rotating", SP_func_rotating},
    {"func_train", SP_func_train},
    {"func_water", SP_func_water},
    {"func_conveyor", SP_func_conveyor},
    {"func_areaportal", SP_func_areaportal},
    {"func_clock", SP_func_clock},
    {"func_wall", SP_func_wall},
    {"func_object", SP_func_object},
    {"func_timer", SP_func_timer},
    {"func_explosive", SP_func_explosive},
    {"func_killbox", SP_func_killbox},
 
    {"trigger_always", SP_trigger_always},
    {"trigger_once", SP_trigger_once},
    {"trigger_multiple", SP_trigger_multiple},
    {"trigger_relay", SP_trigger_relay},
    {"trigger_push", SP_trigger_push},
    {"trigger_hurt", SP_trigger_hurt},
    {"trigger_key", SP_trigger_key},
    {"trigger_counter", SP_trigger_counter},
    {"trigger_elevator", SP_trigger_elevator},
    {"trigger_gravity", SP_trigger_gravity},
    {"trigger_monsterjump", SP_trigger_monsterjump},
 
    {"target_temp_entity", SP_target_temp_entity},
    {"target_speaker", SP_target_speaker},
    {"target_explosion", SP_target_explosion},
    {"target_changelevel", SP_target_changelevel},
    {"target_secret", SP_target_secret},
    {"target_goal", SP_target_goal},
    {"target_splash", SP_target_splash},
    {"target_spawner", SP_target_spawner},
    {"target_blaster", SP_target_blaster},
    {"target_crosslevel_trigger", SP_target_crosslevel_trigger},
    {"target_crosslevel_target", SP_target_crosslevel_target},
    {"target_laser", SP_target_laser},
    {"target_help", SP_target_help},
    {"target_actor", SP_target_actor},
    {"target_lightramp", SP_target_lightramp},
    {"target_earthquake", SP_target_earthquake},
    {"target_character", SP_target_character},
    {"target_string", SP_target_string},
 
    {"worldspawn", SP_worldspawn},
    {"viewthing", SP_viewthing},
 
    {"light", SP_light},
    {"light_mine1", SP_light_mine1},
    {"light_mine2", SP_light_mine2},
    {"info_null", SP_info_null},
    {"func_group", SP_info_null},
    {"info_notnull", SP_info_notnull},
    {"path_corner", SP_path_corner},
    {"point_combat", SP_point_combat},
 
    {"misc_explobox", SP_misc_explobox},
    {"misc_banner", SP_misc_banner},
    {"misc_satellite_dish", SP_misc_satellite_dish},
    {"misc_actor", SP_misc_actor},
    {"misc_gib_arm", SP_misc_gib_arm},
    {"misc_gib_leg", SP_misc_gib_leg},
    {"misc_gib_head", SP_misc_gib_head},
    {"misc_insane", SP_misc_insane},
    {"misc_deadsoldier", SP_misc_deadsoldier},
    {"misc_viper", SP_misc_viper},
    {"misc_viper_bomb", SP_misc_viper_bomb},
    {"misc_bigviper", SP_misc_bigviper},
    {"misc_strogg_ship", SP_misc_strogg_ship},
    {"misc_teleporter", SP_misc_teleporter},
    {"misc_teleporter_dest", SP_misc_teleporter_dest},
    {"misc_blackhole", SP_misc_blackhole},
    {"misc_eastertank", SP_misc_eastertank},
    {"misc_easterchick", SP_misc_easterchick},
    {"misc_easterchick2", SP_misc_easterchick2},
 
    {"monster_berserk", SP_monster_berserk},
    {"monster_gladiator", SP_monster_gladiator},
    {"monster_gunner", SP_monster_gunner},
    {"monster_infantry", SP_monster_infantry},
    {"monster_soldier_light", SP_monster_soldier_light},
    {"monster_soldier", SP_monster_soldier},
    {"monster_soldier_ss", SP_monster_soldier_ss},
    {"monster_tank", SP_monster_tank},
    {"monster_tank_commander", SP_monster_tank},
    {"monster_medic", SP_monster_medic},
    {"monster_flipper", SP_monster_flipper},
    {"monster_chick", SP_monster_chick},
    {"monster_parasite", SP_monster_parasite},
    {"monster_flyer", SP_monster_flyer},
    {"monster_brain", SP_monster_brain},
    {"monster_floater", SP_monster_floater},
    {"monster_hover", SP_monster_hover},
    {"monster_mutant", SP_monster_mutant},
    {"monster_supertank", SP_monster_supertank},
    {"monster_boss2", SP_monster_boss2},
    {"monster_boss3_stand", SP_monster_boss3_stand},
    {"monster_jorg", SP_monster_jorg},
 
    {"monster_commander_body", SP_monster_commander_body},
 
    {"turret_breach", SP_turret_breach},
    {"turret_base", SP_turret_base},
    {"turret_driver", SP_turret_driver},
 
    {NULL, NULL}
};
 
/*
===============
ED_CallSpawn
 
Finds the spawn function for the entity and calls it
===============
*/
void ED_CallSpawn (edict_t *ent)
{
    spawn_t *s;
    gitem_t *item;
    int     i;
 
    if (!ent->classname)
    {
        gi.dprintf ("ED_CallSpawn: NULL classname\n");
        return;
    }
 
    // check item spawn functions
    for (i=0,item=itemlist ; i<game.num_items ; i++,item++)
    {
        if (!item->classname)
            continue;
        if (!strcmp(item->classname, ent->classname))
        {   // found it
            SpawnItem (ent, item);
            return;
        }
    }
 
    // check normal spawn functions
    for (s=spawns ; s->name ; s++)
    {
        if (!strcmp(s->name, ent->classname))
        {   // found it
            s->spawn (ent);
            return;
        }
    }
    gi.dprintf ("%s doesn't have a spawn function\n", ent->classname);
}
 
/*
=============
ED_NewString
=============
*/
char *ED_NewString (char *string)
{
    char    *newb, *new_p;
    int     i,l;
    
    l = strlen(string) + 1;
 
    newb = gi.TagMalloc (l, TAG_LEVEL);
 
    new_p = newb;
 
    for (i=0 ; i< l ; i++)
    {
        if (string[i] == '\\' && i < l-1)
        {
            i++;
            if (string[i] == 'n')
                *new_p++ = '\n';
            else
                *new_p++ = '\\';
        }
        else
            *new_p++ = string[i];
    }
    
    return newb;
}
 
 
 
 
/*
===============
ED_ParseField
 
Takes a key/value pair and sets the binary values
in an edict
===============
*/
void ED_ParseField (char *key, char *value, edict_t *ent)
{
    field_t *f;
    byte    *b;
    float   v;
    vec3_t  vec;
 
    for (f=fields ; f->name ; f++)
    {
        if (!(f->flags & FFL_NOSPAWN) && !Q_stricmp(f->name, key))
        {   // found it
            if (f->flags & FFL_SPAWNTEMP)
                b = (byte *)&st;
            else
                b = (byte *)ent;
 
            switch (f->type)
            {
            case F_LSTRING:
                *(char **)(b+f->ofs) = ED_NewString (value);
                break;
            case F_VECTOR:
                sscanf (value, "%f %f %f", &vec[0], &vec[1], &vec[2]);
                ((float *)(b+f->ofs))[0] = vec[0];
                ((float *)(b+f->ofs))[1] = vec[1];
                ((float *)(b+f->ofs))[2] = vec[2];
                break;
            case F_INT:
                *(int *)(b+f->ofs) = atoi(value);
                break;
            case F_FLOAT:
                *(float *)(b+f->ofs) = atof(value);
                break;
            case F_ANGLEHACK:
                v = atof(value);
                ((float *)(b+f->ofs))[0] = 0;
                ((float *)(b+f->ofs))[1] = v;
                ((float *)(b+f->ofs))[2] = 0;
                break;
            case F_IGNORE:
                break;
            default:
                break;
            }
            return;
        }
    }
    gi.dprintf ("%s is not a field\n", key);
}
 
/*
====================
ED_ParseEdict
 
Parses an edict out of the given string, returning the new position
ed should be a properly initialized empty edict.
====================
*/
char *ED_ParseEdict (char *data, edict_t *ent)
{
    qboolean    init;
    char        keyname[256];
    char        *com_token;
 
    init = false;
    memset (&st, 0, sizeof(st));
 
// go through all the dictionary pairs
    while (1)
    {   
    // parse key
        com_token = COM_Parse (&data);
        if (com_token[0] == '}')
            break;
        if (!data)
            gi.error ("ED_ParseEntity: EOF without closing brace");
 
        strncpy (keyname, com_token, sizeof(keyname)-1);
        
    // parse value  
        com_token = COM_Parse (&data);
        if (!data)
            gi.error ("ED_ParseEntity: EOF without closing brace");
 
        if (com_token[0] == '}')
            gi.error ("ED_ParseEntity: closing brace without data");
 
        init = true;    
 
    // keynames with a leading underscore are used for utility comments,
    // and are immediately discarded by quake
        if (keyname[0] == '_')
            continue;
 
        ED_ParseField (keyname, com_token, ent);
    }
 
    if (!init)
        memset (ent, 0, sizeof(*ent));
 
    return data;
}
 
 
/*
================
G_FindTeams
 
Chain together all entities with a matching team field.
 
All but the first will have the FL_TEAMSLAVE flag set.
All but the last will have the teamchain field set to the next one
================
*/
void G_FindTeams (void)
{
    edict_t *e, *e2, *chain;
    int     i, j;
    int     c, c2;
 
    c = 0;
    c2 = 0;
    for (i=1, e=g_edicts+i ; i < globals.num_edicts ; i++,e++)
    {
        if (!e->inuse)
            continue;
        if (!e->team)
            continue;
        if (e->flags & FL_TEAMSLAVE)
            continue;
        chain = e;
        e->teammaster = e;
        c++;
        c2++;
        for (j=i+1, e2=e+1 ; j < globals.num_edicts ; j++,e2++)
        {
            if (!e2->inuse)
                continue;
            if (!e2->team)
                continue;
            if (e2->flags & FL_TEAMSLAVE)
                continue;
            if (!strcmp(e->team, e2->team))
            {
                c2++;
                chain->teamchain = e2;
                e2->teammaster = e;
                chain = e2;
                e2->flags |= FL_TEAMSLAVE;
            }
        }
    }
 
    gi.dprintf ("%i teams with %i entities\n", c, c2);
}
 
/*
==============
SpawnEntities
 
Creates a server's entity / program execution context by
parsing textual entity definitions out of an ent file.
==============
*/
void SpawnEntities (char *mapname, char *entities, char *spawnpoint)
{
    edict_t     *ent;
    int         inhibit;
    char        *com_token;
    int         i;
    float       skill_level;
 
    skill_level = floor (skill->value);
    if (skill_level < 0)
        skill_level = 0;
    if (skill_level > 3)
        skill_level = 3;
    if (skill->value != skill_level)
        gi.cvar_forceset("skill", va("%f", skill_level));
 
    SaveClientData ();
 
    gi.FreeTags (TAG_LEVEL);
 
    memset (&level, 0, sizeof(level));
    memset (g_edicts, 0, game.maxentities * sizeof (g_edicts[0]));
 
    strncpy (level.mapname, mapname, sizeof(level.mapname)-1);
    strncpy (game.spawnpoint, spawnpoint, sizeof(game.spawnpoint)-1);
 
    // set client fields on player ents
    for (i=0 ; i<game.maxclients ; i++)
        g_edicts[i+1].client = game.clients + i;
 
    ent = NULL;
    inhibit = 0;
 
// parse ents
    while (1)
    {
        // parse the opening brace  
        com_token = COM_Parse (&entities);
        if (!entities)
            break;
        if (com_token[0] != '{')
            gi.error ("ED_LoadFromFile: found %s when expecting {",com_token);
 
        if (!ent)
            ent = g_edicts;
        else
            ent = G_Spawn ();
        entities = ED_ParseEdict (entities, ent);
 
        // yet another map hack
        if (!Q_stricmp(level.mapname, "command") && !Q_stricmp(ent->classname, "trigger_once") && !Q_stricmp(ent->model, "*27"))
            ent->spawnflags &= ~SPAWNFLAG_NOT_HARD;
 
        // remove things (except the world) from different skill levels or deathmatch
        if (ent != g_edicts)
        {
            if (deathmatch->value)
            {
                if ( ent->spawnflags & SPAWNFLAG_NOT_DEATHMATCH )
                {
                    G_FreeEdict (ent);  
                    inhibit++;
                    continue;
                }
            }
            else
            {
                if ( /* ((coop->value) && (ent->spawnflags & SPAWNFLAG_NOT_COOP)) || */
                    ((skill->value == 0) && (ent->spawnflags & SPAWNFLAG_NOT_EASY)) ||
                    ((skill->value == 1) && (ent->spawnflags & SPAWNFLAG_NOT_MEDIUM)) ||
                    (((skill->value == 2) || (skill->value == 3)) && (ent->spawnflags & SPAWNFLAG_NOT_HARD))
                    )
                    {
                        G_FreeEdict (ent);  
                        inhibit++;
                        continue;
                    }
            }
 
            ent->spawnflags &= ~(SPAWNFLAG_NOT_EASY|SPAWNFLAG_NOT_MEDIUM|SPAWNFLAG_NOT_HARD|SPAWNFLAG_NOT_COOP|SPAWNFLAG_NOT_DEATHMATCH);
        }
 
        ED_CallSpawn (ent);
    }   
 
    gi.dprintf ("%i entities inhibited\n", inhibit);
 
#ifdef DEBUG
    i = 1;
    ent = EDICT_NUM(i);
    while (i < globals.num_edicts) {
        if (ent->inuse != 0 || ent->inuse != 1)
            Com_DPrintf("Invalid entity %d\n", i);
        i++, ent++;
    }
#endif
 
    G_FindTeams ();
 
    PlayerTrail_Init ();
}
 
 
//===================================================================
 
#if 0
    // cursor positioning
    xl <value>
    xr <value>
    yb <value>
    yt <value>
    xv <value>
    yv <value>
 
    // drawing
    statpic <name>
    pic <stat>
    num <fieldwidth> <stat>
    string <stat>
 
    // control
    if <stat>
    ifeq <stat> <value>
    ifbit <stat> <value>
    endif
 
#endif
 
char *single_statusbar = 
"yb -24 "
 
// health
"xv 0 "
"hnum "
"xv 50 "
"pic 0 "
 
// ammo
"if 2 "
"   xv  100 "
"   anum "
"   xv  150 "
"   pic 2 "
"endif "
 
// armor
"if 4 "
"   xv  200 "
"   rnum "
"   xv  250 "
"   pic 4 "
"endif "
 
// selected item
"if 6 "
"   xv  296 "
"   pic 6 "
"endif "
 
"yb -50 "
 
// picked up item
"if 7 "
"   xv  0 "
"   pic 7 "
"   xv  26 "
"   yb  -42 "
"   stat_string 8 "
"   yb  -50 "
"endif "
 
// timer
"if 9 "
"   xv  262 "
"   num 2   10 "
"   xv  296 "
"   pic 9 "
"endif "
 
//  help / weapon icon 
"if 11 "
"   xv  148 "
"   pic 11 "
"endif "
;
 
char *dm_statusbar =
"yb -24 "
 
// health
"xv 0 "
"hnum "
"xv 50 "
"pic 0 "
 
// ammo
"if 2 "
"   xv  100 "
"   anum "
"   xv  150 "
"   pic 2 "
"endif "
 
// armor
"if 4 "
"   xv  200 "
"   rnum "
"   xv  250 "
"   pic 4 "
"endif "
 
// selected item
"if 6 "
"   xv  296 "
"   pic 6 "
"endif "
 
"yb -50 "
 
// picked up item
"if 7 "
"   xv  0 "
"   pic 7 "
"   xv  26 "
"   yb  -42 "
"   stat_string 8 "
"   yb  -50 "
"endif "
 
// timer
"if 9 "
"   xv  246 "
"   num 2   10 "
"   xv  296 "
"   pic 9 "
"endif "
 
//  help / weapon icon 
"if 11 "
"   xv  148 "
"   pic 11 "
"endif "
 
//  frags
"xr -50 "
"yt 2 "
"num 3 14 "
 
// spectator
"if 17 "
  "xv 0 "
  "yb -58 "
  "string2 \"SPECTATOR MODE\" "
"endif "
 
// chase camera
"if 16 "
  "xv 0 "
  "yb -68 "
  "string \"Chasing\" "
  "xv 64 "
  "stat_string 16 "
"endif "
;
 
 
/*QUAKED worldspawn (0 0 0) ?
 
Only used for the world.
"sky"   environment map name
"skyaxis"   vector axis for rotating sky
"skyrotate" speed of rotation in degrees/second
"sounds"    music cd track number
"gravity"   800 is default gravity
"message"   text to print at user logon
*/
void SP_worldspawn (edict_t *ent)
{
    ent->movetype = MOVETYPE_PUSH;
    ent->solid = SOLID_BSP;
    ent->inuse = true;          // since the world doesn't use G_Spawn()
    ent->s.modelindex = 1;      // world model is always index 1
 
    //---------------
 
    // reserve some spots for dead player bodies for coop / deathmatch
    InitBodyQue ();
 
    // set configstrings for items
    SetItemNames ();
 
    if (st.nextmap)
        strcpy (level.nextmap, st.nextmap);
 
    // make some data visible to the server
 
    if (ent->message && ent->message[0])
    {
        gi.configstring (CS_NAME, ent->message);
        strncpy (level.level_name, ent->message, sizeof(level.level_name));
    }
    else
        strncpy (level.level_name, level.mapname, sizeof(level.level_name));
 
    if (st.sky && st.sky[0])
        gi.configstring (CS_SKY, st.sky);
    else
        gi.configstring (CS_SKY, "unit1_");
 
    gi.configstring (CS_SKYROTATE, va("%f", st.skyrotate) );
 
    gi.configstring (CS_SKYAXIS, va("%f %f %f",
        st.skyaxis[0], st.skyaxis[1], st.skyaxis[2]) );
 
    gi.configstring (CS_CDTRACK, va("%i", ent->sounds) );
 
    gi.configstring (CS_MAXCLIENTS, va("%i", (int)(maxclients->value) ) );
 
    // status bar program
    if (deathmatch->value)
        gi.configstring (CS_STATUSBAR, dm_statusbar);
    else
        gi.configstring (CS_STATUSBAR, single_statusbar);
 
    //---------------
 
 
    // help icon for statusbar
    gi.imageindex ("i_help");
    level.pic_health = gi.imageindex ("i_health");
    gi.imageindex ("help");
    gi.imageindex ("field_3");
 
    if (!st.gravity)
        gi.cvar_set("sv_gravity", "800");
    else
        gi.cvar_set("sv_gravity", st.gravity);
 
    snd_fry = gi.soundindex ("player/fry.wav"); // standing in lava / slime
 
    PrecacheItem (FindItem ("Blaster"));
 
    gi.soundindex ("player/lava1.wav");
    gi.soundindex ("player/lava2.wav");
 
    gi.soundindex ("misc/pc_up.wav");
    gi.soundindex ("misc/talk1.wav");
 
    gi.soundindex ("misc/udeath.wav");
 
    // gibs
    gi.soundindex ("items/respawn1.wav");
 
    // sexed sounds
    gi.soundindex ("*death1.wav");
    gi.soundindex ("*death2.wav");
    gi.soundindex ("*death3.wav");
    gi.soundindex ("*death4.wav");
    gi.soundindex ("*fall1.wav");
    gi.soundindex ("*fall2.wav");   
    gi.soundindex ("*gurp1.wav");       // drowning damage
    gi.soundindex ("*gurp2.wav");   
    gi.soundindex ("*jump1.wav");       // player jump
    gi.soundindex ("*pain25_1.wav");
    gi.soundindex ("*pain25_2.wav");
    gi.soundindex ("*pain50_1.wav");
    gi.soundindex ("*pain50_2.wav");
    gi.soundindex ("*pain75_1.wav");
    gi.soundindex ("*pain75_2.wav");
    gi.soundindex ("*pain100_1.wav");
    gi.soundindex ("*pain100_2.wav");
 
    // sexed models
    // THIS ORDER MUST MATCH THE DEFINES IN g_local.h
    // you can add more, max 15
    gi.modelindex ("#w_blaster.md2");
    gi.modelindex ("#w_shotgun.md2");
    gi.modelindex ("#w_sshotgun.md2");
    gi.modelindex ("#w_machinegun.md2");
    gi.modelindex ("#w_chaingun.md2");
    gi.modelindex ("#a_grenades.md2");
    gi.modelindex ("#w_glauncher.md2");
    gi.modelindex ("#w_rlauncher.md2");
    gi.modelindex ("#w_hyperblaster.md2");
    gi.modelindex ("#w_railgun.md2");
    gi.modelindex ("#w_bfg.md2");
 
    //-------------------
 
    gi.soundindex ("player/gasp1.wav");     // gasping for air
    gi.soundindex ("player/gasp2.wav");     // head breaking surface, not gasping
 
    gi.soundindex ("player/watr_in.wav");   // feet hitting water
    gi.soundindex ("player/watr_out.wav");  // feet leaving water
 
    gi.soundindex ("player/watr_un.wav");   // head going underwater
    
    gi.soundindex ("player/u_breath1.wav");
    gi.soundindex ("player/u_breath2.wav");
 
    gi.soundindex ("items/pkup.wav");       // bonus item pickup
    gi.soundindex ("world/land.wav");       // landing thud
    gi.soundindex ("misc/h2ohit1.wav");     // landing splash
 
    gi.soundindex ("items/damage.wav");
    gi.soundindex ("items/protect.wav");
    gi.soundindex ("items/protect4.wav");
    gi.soundindex ("weapons/noammo.wav");
 
    gi.soundindex ("infantry/inflies1.wav");
 
    sm_meat_index = gi.modelindex ("models/objects/gibs/sm_meat/tris.md2");
    gi.modelindex ("models/objects/gibs/arm/tris.md2");
    gi.modelindex ("models/objects/gibs/bone/tris.md2");
    gi.modelindex ("models/objects/gibs/bone2/tris.md2");
    gi.modelindex ("models/objects/gibs/chest/tris.md2");
    gi.modelindex ("models/objects/gibs/skull/tris.md2");
    gi.modelindex ("models/objects/gibs/head2/tris.md2");
 
//
// Setup light animation tables. 'a' is total darkness, 'z' is doublebright.
//
 
    // 0 normal
    gi.configstring(CS_LIGHTS+0, "m");
    
    // 1 FLICKER (first variety)
    gi.configstring(CS_LIGHTS+1, "mmnmmommommnonmmonqnmmo");
    
    // 2 SLOW STRONG PULSE
    gi.configstring(CS_LIGHTS+2, "abcdefghijklmnopqrstuvwxyzyxwvutsrqponmlkjihgfedcba");
    
    // 3 CANDLE (first variety)
    gi.configstring(CS_LIGHTS+3, "mmmmmaaaaammmmmaaaaaabcdefgabcdefg");
    
    // 4 FAST STROBE
    gi.configstring(CS_LIGHTS+4, "mamamamamama");
    
    // 5 GENTLE PULSE 1
    gi.configstring(CS_LIGHTS+5,"jklmnopqrstuvwxyzyxwvutsrqponmlkj");
    
    // 6 FLICKER (second variety)
    gi.configstring(CS_LIGHTS+6, "nmonqnmomnmomomno");
    
    // 7 CANDLE (second variety)
    gi.configstring(CS_LIGHTS+7, "mmmaaaabcdefgmmmmaaaammmaamm");
    
    // 8 CANDLE (third variety)
    gi.configstring(CS_LIGHTS+8, "mmmaaammmaaammmabcdefaaaammmmabcdefmmmaaaa");
    
    // 9 SLOW STROBE (fourth variety)
    gi.configstring(CS_LIGHTS+9, "aaaaaaaazzzzzzzz");
    
    // 10 FLUORESCENT FLICKER
    gi.configstring(CS_LIGHTS+10, "mmamammmmammamamaaamammma");
 
    // 11 SLOW PULSE NOT FADE TO BLACK
    gi.configstring(CS_LIGHTS+11, "abcdefghijklmnopqrrqponmlkjihgfedcba");
    
    // styles 32-62 are assigned by the light program for switchable lights
 
    // 63 testing
    gi.configstring(CS_LIGHTS+63, "a");
}