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quakeforge/qw/source/sv_progs.c
Bill Currie ea966952be segmentation fault handler from kkqwsv (thanks, Bill;) but with a couple 
minor improvements (you get a core file if the seg wasn't triggered by progs).
2001-09-23 00:15:53 +00:00

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/*
sv_progs.c
Quick QuakeC server code
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <signal.h>
#include "QF/cmd.h"
#include "QF/cvar.h"
#include "compat.h"
#include "server.h"
#include "sv_progs.h"
#include "world.h"
sv_globals_t sv_globals;
sv_funcs_t sv_funcs;
sv_fields_t sv_fields;
progs_t sv_pr_state;
cvar_t *r_skyname;
cvar_t *sv_progs;
cvar_t *pr_checkextentions;
cvar_t *sv_old_entity_free;
func_t EndFrame;
func_t SpectatorConnect;
func_t SpectatorDisconnect;
func_t SpectatorThink;
func_t UserInfoCallback;
static int reserved_edicts = MAX_CLIENTS;
static void (*old_seg_handler) (int);
static void
free_edict (progs_t *pr, edict_t *ent)
{
if (sv_old_entity_free->int_val) {
ent->v[sv_fields.model].entity_var = 0;
ent->v[sv_fields.takedamage].float_var = 0;
ent->v[sv_fields.modelindex].float_var = 0;
ent->v[sv_fields.colormap].float_var = 0;
ent->v[sv_fields.skin].float_var = 0;
ent->v[sv_fields.frame].float_var = 0;
ent->v[sv_fields.nextthink].float_var = -1;
ent->v[sv_fields.solid].float_var = 0;
memset (ent->v[sv_fields.origin].vector_var, 0, 3*sizeof (float));
memset (ent->v[sv_fields.angles].vector_var, 0, 3*sizeof (float));
} else {
ED_ClearEdict (pr, ent, 0);
}
}
static int
prune_edict (progs_t *pr, edict_t *ent)
{
if (!sv_globals.current_skill) {
if (((int) SVfloat (ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH))
return 1;
} else {
// remove things from different skill levels or deathmatch
if (deathmatch->int_val) {
if (((int) SVfloat (ent, spawnflags) & SPAWNFLAG_NOT_DEATHMATCH)) {
return 1;
}
} else if (
(*sv_globals.current_skill == 0
&& ((int) SVfloat (ent, spawnflags) & SPAWNFLAG_NOT_EASY))
|| (*sv_globals.current_skill == 1
&& ((int) SVfloat (ent, spawnflags) &
SPAWNFLAG_NOT_MEDIUM)) ||
(*sv_globals.current_skill >= 2
&& ((int) SVfloat (ent, spawnflags) & SPAWNFLAG_NOT_HARD))) {
return 1;
}
}
return 0;
}
void
ED_PrintEdicts_f (void)
{
ED_PrintEdicts (&sv_pr_state, Cmd_Argv (1));
}
/*
ED_PrintEdict_f
For debugging, prints a single edicy
*/
void
ED_PrintEdict_f (void)
{
int i;
i = atoi (Cmd_Argv (1));
SV_Printf ("\n EDICT %i:\n", i);
ED_PrintNum (&sv_pr_state, i);
}
void
ED_Count_f (void)
{
ED_Count (&sv_pr_state);
}
void
PR_Profile_f (void)
{
PR_Profile (&sv_pr_state);
}
static int
parse_field (progs_t *pr, const char *key, const char *value)
{
/*
If skyname is set, we want to allow skyboxes and set what the skybox
name should be. "qlsky" is supported since at least one other map
uses it already.
*/
if (strcaseequal (key, "skyname") // QuakeForge
|| strcaseequal (key, "sky") // Q2/DarkPlaces
|| strcaseequal (key, "qlsky")) { // QuakeLives
Info_SetValueForKey (svs.info, "skybox", "1", MAX_SERVERINFO_STRING,
!sv_highchars->int_val);
Cvar_Set (r_skyname, value);
return 1;
}
return 0;
}
static void
seg_fault_handler(int whatever)
{
if (sv_pr_state.pr_xfunction)
PR_RunError (&sv_pr_state, "Segmentation Fault\n");
signal (SIGSEGV, old_seg_handler);
}
void
SV_LoadProgs (void)
{
ddef_t *def;
dfunction_t *f;
PR_LoadProgs (&sv_pr_state, sv_progs->string);
if (!sv_pr_state.progs)
SV_Error ("SV_LoadProgs: couldn't load %s", sv_progs->string);
// progs engine needs these globals anyway
sv_globals.self = sv_pr_state.globals.self;
sv_globals.time = sv_pr_state.globals.time;
(void *) sv_globals.other = PR_GetGlobalPointer (&sv_pr_state, "other");
(void *) sv_globals.world = PR_GetGlobalPointer (&sv_pr_state, "world");
(void *) sv_globals.frametime = PR_GetGlobalPointer (&sv_pr_state,
"frametime");
(void *) sv_globals.newmis = PR_GetGlobalPointer (&sv_pr_state, "newmis");
(void *) sv_globals.force_retouch = PR_GetGlobalPointer (&sv_pr_state,
"force_retouch");
(void *) sv_globals.mapname = PR_GetGlobalPointer (&sv_pr_state,
"mapname");
(void *) sv_globals.serverflags = PR_GetGlobalPointer (&sv_pr_state,
"serverflags");
(void *) sv_globals.total_secrets = PR_GetGlobalPointer (&sv_pr_state,
"total_secrets");
(void *) sv_globals.total_monsters = PR_GetGlobalPointer
(&sv_pr_state, "total_monsters");
(void *) sv_globals.found_secrets = PR_GetGlobalPointer (&sv_pr_state,
"found_secrets");
(void *) sv_globals.killed_monsters = PR_GetGlobalPointer
(&sv_pr_state, "killed_monsters");
(void *) sv_globals.parms = PR_GetGlobalPointer (&sv_pr_state, "parm1");
(void *) sv_globals.v_forward = PR_GetGlobalPointer (&sv_pr_state,
"v_forward");
(void *) sv_globals.v_up = PR_GetGlobalPointer (&sv_pr_state, "v_up");
(void *) sv_globals.v_right = PR_GetGlobalPointer (&sv_pr_state,
"v_right");
(void *) sv_globals.trace_allsolid = PR_GetGlobalPointer
(&sv_pr_state, "trace_allsolid");
(void *) sv_globals.trace_startsolid = PR_GetGlobalPointer
(&sv_pr_state, "trace_startsolid");
(void *) sv_globals.trace_fraction = PR_GetGlobalPointer
(&sv_pr_state, "trace_fraction");
(void *) sv_globals.trace_endpos = PR_GetGlobalPointer (&sv_pr_state,
"trace_endpos");
(void *) sv_globals.trace_plane_normal = PR_GetGlobalPointer
(&sv_pr_state, "trace_plane_normal");
(void *) sv_globals.trace_plane_dist = PR_GetGlobalPointer
(&sv_pr_state, "trace_plane_dist");
(void *) sv_globals.trace_ent = PR_GetGlobalPointer (&sv_pr_state,
"trace_ent");
(void *) sv_globals.trace_inopen = PR_GetGlobalPointer (&sv_pr_state,
"trace_inopen");
(void *) sv_globals.trace_inwater = PR_GetGlobalPointer (&sv_pr_state,
"trace_inwater");
(void *) sv_globals.msg_entity = PR_GetGlobalPointer (&sv_pr_state,
"msg_entity");
sv_funcs.main = PR_GetFunctionIndex (&sv_pr_state, "main");
sv_funcs.StartFrame = PR_GetFunctionIndex (&sv_pr_state, "StartFrame");
sv_funcs.PlayerPreThink = PR_GetFunctionIndex (&sv_pr_state,
"PlayerPreThink");
sv_funcs.PlayerPostThink = PR_GetFunctionIndex (&sv_pr_state,
"PlayerPostThink");
sv_funcs.ClientKill = PR_GetFunctionIndex (&sv_pr_state, "ClientKill");
sv_funcs.ClientConnect = PR_GetFunctionIndex (&sv_pr_state,
"ClientConnect");
sv_funcs.PutClientInServer = PR_GetFunctionIndex (&sv_pr_state,
"PutClientInServer");
sv_funcs.ClientDisconnect = PR_GetFunctionIndex (&sv_pr_state,
"ClientDisconnect");
sv_funcs.SetNewParms = PR_GetFunctionIndex (&sv_pr_state, "SetNewParms");
sv_funcs.SetChangeParms = PR_GetFunctionIndex (&sv_pr_state,
"SetChangeParms");
sv_fields.modelindex = PR_GetFieldOffset (&sv_pr_state, "modelindex");
sv_fields.absmin = PR_GetFieldOffset (&sv_pr_state, "absmin");
sv_fields.absmax = PR_GetFieldOffset (&sv_pr_state, "absmax");
sv_fields.ltime = PR_GetFieldOffset (&sv_pr_state, "ltime");
sv_fields.lastruntime = PR_GetFieldOffset (&sv_pr_state, "lastruntime");
sv_fields.movetype = PR_GetFieldOffset (&sv_pr_state, "movetype");
sv_fields.solid = PR_GetFieldOffset (&sv_pr_state, "solid");
sv_fields.origin = PR_GetFieldOffset (&sv_pr_state, "origin");
sv_fields.oldorigin = PR_GetFieldOffset (&sv_pr_state, "oldorigin");
sv_fields.velocity = PR_GetFieldOffset (&sv_pr_state, "velocity");
sv_fields.angles = PR_GetFieldOffset (&sv_pr_state, "angles");
sv_fields.avelocity = PR_GetFieldOffset (&sv_pr_state, "avelocity");
sv_fields.classname = PR_GetFieldOffset (&sv_pr_state, "classname");
sv_fields.model = PR_GetFieldOffset (&sv_pr_state, "model");
sv_fields.frame = PR_GetFieldOffset (&sv_pr_state, "frame");
sv_fields.skin = PR_GetFieldOffset (&sv_pr_state, "skin");
sv_fields.effects = PR_GetFieldOffset (&sv_pr_state, "effects");
sv_fields.mins = PR_GetFieldOffset (&sv_pr_state, "mins");
sv_fields.maxs = PR_GetFieldOffset (&sv_pr_state, "maxs");
sv_fields.size = PR_GetFieldOffset (&sv_pr_state, "size");
sv_fields.touch = PR_GetFieldOffset (&sv_pr_state, "touch");
sv_fields.think = PR_GetFieldOffset (&sv_pr_state, "think");
sv_fields.blocked = PR_GetFieldOffset (&sv_pr_state, "blocked");
sv_fields.nextthink = PR_GetFieldOffset (&sv_pr_state, "nextthink");
sv_fields.groundentity = PR_GetFieldOffset (&sv_pr_state, "groundentity");
sv_fields.health = PR_GetFieldOffset (&sv_pr_state, "health");
sv_fields.frags = PR_GetFieldOffset (&sv_pr_state, "frags");
sv_fields.weapon = PR_GetFieldOffset (&sv_pr_state, "weapon");
sv_fields.weaponmodel = PR_GetFieldOffset (&sv_pr_state, "weaponmodel");
sv_fields.weaponframe = PR_GetFieldOffset (&sv_pr_state, "weaponframe");
sv_fields.currentammo = PR_GetFieldOffset (&sv_pr_state, "currentammo");
sv_fields.ammo_shells = PR_GetFieldOffset (&sv_pr_state, "ammo_shells");
sv_fields.ammo_nails = PR_GetFieldOffset (&sv_pr_state, "ammo_nails");
sv_fields.ammo_rockets = PR_GetFieldOffset (&sv_pr_state, "ammo_rockets");
sv_fields.ammo_cells = PR_GetFieldOffset (&sv_pr_state, "ammo_cells");
sv_fields.items = PR_GetFieldOffset (&sv_pr_state, "items");
sv_fields.takedamage = PR_GetFieldOffset (&sv_pr_state, "takedamage");
sv_fields.chain = PR_GetFieldOffset (&sv_pr_state, "chain");
sv_fields.view_ofs = PR_GetFieldOffset (&sv_pr_state, "view_ofs");
sv_fields.button0 = PR_GetFieldOffset (&sv_pr_state, "button0");
sv_fields.button1 = PR_GetFieldOffset (&sv_pr_state, "button1");
sv_fields.button2 = PR_GetFieldOffset (&sv_pr_state, "button2");
sv_fields.impulse = PR_GetFieldOffset (&sv_pr_state, "impulse");
sv_fields.fixangle = PR_GetFieldOffset (&sv_pr_state, "fixangle");
sv_fields.v_angle = PR_GetFieldOffset (&sv_pr_state, "v_angle");
sv_fields.netname = PR_GetFieldOffset (&sv_pr_state, "netname");
sv_fields.enemy = PR_GetFieldOffset (&sv_pr_state, "enemy");
sv_fields.flags = PR_GetFieldOffset (&sv_pr_state, "flags");
sv_fields.colormap = PR_GetFieldOffset (&sv_pr_state, "colormap");
sv_fields.team = PR_GetFieldOffset (&sv_pr_state, "team");
sv_fields.teleport_time = PR_GetFieldOffset (&sv_pr_state,
"teleport_time");
sv_fields.armorvalue = PR_GetFieldOffset (&sv_pr_state, "armorvalue");
sv_fields.waterlevel = PR_GetFieldOffset (&sv_pr_state, "waterlevel");
sv_fields.watertype = PR_GetFieldOffset (&sv_pr_state, "watertype");
sv_fields.ideal_yaw = PR_GetFieldOffset (&sv_pr_state, "ideal_yaw");
sv_fields.yaw_speed = PR_GetFieldOffset (&sv_pr_state, "yaw_speed");
sv_fields.goalentity = PR_GetFieldOffset (&sv_pr_state, "goalentity");
sv_fields.spawnflags = PR_GetFieldOffset (&sv_pr_state, "spawnflags");
sv_fields.dmg_take = PR_GetFieldOffset (&sv_pr_state, "dmg_take");
sv_fields.dmg_save = PR_GetFieldOffset (&sv_pr_state, "dmg_save");
sv_fields.dmg_inflictor = PR_GetFieldOffset (&sv_pr_state,
"dmg_inflictor");
sv_fields.owner = PR_GetFieldOffset (&sv_pr_state, "owner");
sv_fields.message = PR_GetFieldOffset (&sv_pr_state, "message");
sv_fields.sounds = PR_GetFieldOffset (&sv_pr_state, "sounds");
sv_fields.rotated_bbox = ED_GetFieldIndex (&sv_pr_state, "rotated_bbox");
// Zoid, find the spectator functions
SpectatorConnect = SpectatorThink = SpectatorDisconnect = 0;
UserInfoCallback = 0;
if ((f = ED_FindFunction (&sv_pr_state, "SpectatorConnect")) != NULL)
SpectatorConnect = (func_t) (f - sv_pr_state.pr_functions);
if ((f = ED_FindFunction (&sv_pr_state, "SpectatorThink")) != NULL)
SpectatorThink = (func_t) (f - sv_pr_state.pr_functions);
if ((f = ED_FindFunction (&sv_pr_state, "SpectatorDisconnect")) != NULL)
SpectatorDisconnect = (func_t) (f - sv_pr_state.pr_functions);
if ((f = ED_FindFunction (&sv_pr_state, "UserInfoCallback")) != NULL)
UserInfoCallback = (func_t) (f - sv_pr_state.pr_functions);
// 2000-01-02 EndFrame function by Maddes/FrikaC
EndFrame = 0;
if ((f = ED_FindFunction (&sv_pr_state, "EndFrame")) != NULL)
EndFrame = (func_t) (f - sv_pr_state.pr_functions);
sv_fields.alpha = ED_GetFieldIndex (&sv_pr_state, "alpha");
sv_fields.scale = ED_GetFieldIndex (&sv_pr_state, "scale");
sv_fields.glow_size = ED_GetFieldIndex (&sv_pr_state, "glow_size");
sv_fields.glow_color = ED_GetFieldIndex (&sv_pr_state, "glow_color");
sv_fields.colormod = ED_GetFieldIndex (&sv_pr_state, "colormod");
def = PR_FindGlobal (&sv_pr_state, "current_skill");
if (def)
sv_globals.current_skill = (float *) &sv_pr_state.pr_globals[def->ofs];
else
sv_globals.current_skill = 0;
}
void
SV_Progs_Init (void)
{
sv_pr_state.edicts = &sv.edicts;
sv_pr_state.num_edicts = &sv.num_edicts;
sv_pr_state.time = &sv.time;
sv_pr_state.reserved_edicts = &reserved_edicts;
sv_pr_state.unlink = SV_UnlinkEdict;
sv_pr_state.flush = SV_FlushSignon;
sv_pr_state.builtins = 0;
sv_pr_state.numbuiltins = 0;
sv_pr_state.parse_field = parse_field;
sv_pr_state.prune_edict = prune_edict;
sv_pr_state.free_edict = free_edict; // eww, I hate the need for this :(
SV_PR_Cmds_Init ();
Cmd_AddCommand ("edict", ED_PrintEdict_f, "Report information on a given "
"edict in the game. (edict (edict number))");
Cmd_AddCommand ("edicts", ED_PrintEdicts_f,
"Display information on all edicts in the game.");
Cmd_AddCommand ("edictcount", ED_Count_f,
"Display summary information on the edicts in the game.");
Cmd_AddCommand ("profile", PR_Profile_f, "FIXME: Report information about "
"QuakeC Stuff (\?\?\?) No Description");
old_seg_handler = signal (SIGSEGV, seg_fault_handler);
}
void
SV_Progs_Init_Cvars (void)
{
r_skyname = Cvar_Get ("r_skyname", "", CVAR_SERVERINFO, Cvar_Info,
"name of skybox");
sv_progs = Cvar_Get ("sv_progs", "qwprogs.dat", CVAR_ROM, NULL,
"Allows selectable game progs if you have several "
"of them in the gamedir");
pr_checkextentions = Cvar_Get ("sv_progs", "1", CVAR_ROM, NULL,
"indicate the presence of the "
"checkextentions qc function");
sv_old_entity_free = Cvar_Get ("sv_old_entity_free", "0", CVAR_NONE, NULL,
"set this for buggy mods that rely on the"
" old behaviour of entity freeing (eg,"
" *TF)");
}
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