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quakeforge/qw/source/sv_pr_cmds.c
Bill Currie 7e14a0fbf3 clean up RETURN_EDICT and RETURN_STRING definitions to be both easier to read 
and more correct for aliasing (and int size dependence, too:).
2001-02-27 19:05:05 +00:00

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/*
sv_pr_cmds.c
(description)
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
#include "cmd.h"
#include "msg.h"
#include "server.h"
#include "sv_pr_cmds.h"
#include "world.h"
#include "va.h"
#define RETURN_EDICT(p, e) ((p)->pr_globals[OFS_RETURN].int_var = EDICT_TO_PROG(p, e))
#define RETURN_STRING(p, s) ((p)->pr_globals[OFS_RETURN].int_var = PR_SetString((p), s))
/*
BUILT-IN FUNCTIONS
*/
char *
PF_VarString (progs_t *pr, int first)
{
int i;
static char out[256];
out[0] = 0;
for (i = first; i < pr->pr_argc; i++) {
strncat (out, G_STRING (pr, (OFS_PARM0 + i * 3)),
sizeof (out) - strlen (out));
}
return out;
}
/*
PF_errror
This is a TERMINAL error, which will kill off the entire server.
Dumps self.
error(value)
*/
void
PF_error (progs_t *pr)
{
char *s;
edict_t *ed;
s = PF_VarString (pr, 0);
Con_Printf ("======SERVER ERROR in %s:\n%s\n",
PR_GetString (pr, pr->pr_xfunction->s_name), s);
ed = PROG_TO_EDICT (pr, pr->pr_global_struct->self);
ED_Print (pr, ed);
SV_Error ("Program error");
}
/*
PF_objerror
Dumps out self, then an error message. The program is aborted and self is
removed, but the level can continue.
objerror(value)
*/
void
PF_objerror (progs_t *pr)
{
char *s;
edict_t *ed;
s = PF_VarString (pr, 0);
Con_Printf ("======OBJECT ERROR in %s:\n%s\n",
PR_GetString (pr, pr->pr_xfunction->s_name), s);
ed = PROG_TO_EDICT (pr, pr->pr_global_struct->self);
ED_Print (pr, ed);
ED_Free (pr, ed);
SV_Error ("Program error");
}
/*
PF_makevectors
Writes new values for v_forward, v_up, and v_right based on angles
makevectors(vector)
*/
void
PF_makevectors (progs_t *pr)
{
AngleVectors (G_VECTOR (pr, OFS_PARM0), pr->pr_global_struct->v_forward,
pr->pr_global_struct->v_right, pr->pr_global_struct->v_up);
}
/*
PF_setorigin
This is the only valid way to move an object without using the physics of the world (setting velocity and waiting). Directly changing origin will not set internal links correctly, so clipping would be messed up. This should be called when an object is spawned, and then only if it is teleported.
setorigin (entity, origin)
*/
void
PF_setorigin (progs_t *pr)
{
edict_t *e;
float *org;
e = G_EDICT (pr, OFS_PARM0);
org = G_VECTOR (pr, OFS_PARM1);
VectorCopy (org, e->v.v.origin);
SV_LinkEdict (e, false);
}
/*
PF_setsize
the size box is rotated by the current angle
setsize (entity, minvector, maxvector)
*/
void
PF_setsize (progs_t *pr)
{
edict_t *e;
float *min, *max;
e = G_EDICT (pr, OFS_PARM0);
min = G_VECTOR (pr, OFS_PARM1);
max = G_VECTOR (pr, OFS_PARM2);
VectorCopy (min, e->v.v.mins);
VectorCopy (max, e->v.v.maxs);
VectorSubtract (max, min, e->v.v.size);
SV_LinkEdict (e, false);
}
/*
PF_setmodel
setmodel(entity, model)
Also sets size, mins, and maxs for inline bmodels
*/
void
PF_setmodel (progs_t *pr)
{
edict_t *e;
char *m, **check;
int i;
model_t *mod;
e = G_EDICT (pr, OFS_PARM0);
m = G_STRING (pr, OFS_PARM1);
// check to see if model was properly precached
for (i = 0, check = sv.model_precache; *check; i++, check++)
if (!strcmp (*check, m))
break;
if (!*check)
PR_RunError (pr, "no precache: %s\n", m);
e->v.v.model = PR_SetString (pr, m);
e->v.v.modelindex = i;
// if it is an inline model, get the size information for it
if (m[0] == '*') {
mod = Mod_ForName (m, true);
VectorCopy (mod->mins, e->v.v.mins);
VectorCopy (mod->maxs, e->v.v.maxs);
VectorSubtract (mod->maxs, mod->mins, e->v.v.size);
SV_LinkEdict (e, false);
}
}
/*
PF_bprint
broadcast print to everyone on server
bprint(value)
*/
void
PF_bprint (progs_t *pr)
{
char *s;
int level;
level = G_FLOAT (pr, OFS_PARM0);
s = PF_VarString (pr, 1);
SV_BroadcastPrintf (level, "%s", s);
}
/*
PF_sprint
single print to a specific client
sprint(clientent, value)
*/
void
PF_sprint (progs_t *pr)
{
char *s;
client_t *client;
int entnum;
int level;
entnum = G_EDICTNUM (pr, OFS_PARM0);
level = G_FLOAT (pr, OFS_PARM1);
s = PF_VarString (pr, 2);
if (entnum < 1 || entnum > MAX_CLIENTS) {
Con_Printf ("tried to sprint to a non-client\n");
return;
}
client = &svs.clients[entnum - 1];
SV_ClientPrintf (client, level, "%s", s);
}
/*
PF_centerprint
single print to a specific client
centerprint(clientent, value)
*/
void
PF_centerprint (progs_t *pr)
{
char *s;
int entnum;
client_t *cl;
entnum = G_EDICTNUM (pr, OFS_PARM0);
s = PF_VarString (pr, 1);
if (entnum < 1 || entnum > MAX_CLIENTS) {
Con_Printf ("tried to sprint to a non-client\n");
return;
}
cl = &svs.clients[entnum - 1];
ClientReliableWrite_Begin (cl, svc_centerprint, 2 + strlen (s));
ClientReliableWrite_String (cl, s);
}
/*
PF_normalize
vector normalize(vector)
*/
void
PF_normalize (progs_t *pr)
{
float *value1;
vec3_t newvalue;
float new;
value1 = G_VECTOR (pr, OFS_PARM0);
new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2] * value1[2];
new = sqrt (new);
if (new == 0)
newvalue[0] = newvalue[1] = newvalue[2] = 0;
else {
new = 1 / new;
newvalue[0] = value1[0] * new;
newvalue[1] = value1[1] * new;
newvalue[2] = value1[2] * new;
}
VectorCopy (newvalue, G_VECTOR (pr, OFS_RETURN));
}
/*
PF_vlen
scalar vlen(vector)
*/
void
PF_vlen (progs_t *pr)
{
float *value1;
float new;
value1 = G_VECTOR (pr, OFS_PARM0);
new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2] * value1[2];
new = sqrt (new);
G_FLOAT (pr, OFS_RETURN) = new;
}
/*
PF_vectoyaw
float vectoyaw(vector)
*/
void
PF_vectoyaw (progs_t *pr)
{
float *value1;
float yaw;
value1 = G_VECTOR (pr, OFS_PARM0);
if (value1[1] == 0 && value1[0] == 0)
yaw = 0;
else {
yaw = (int) (atan2 (value1[1], value1[0]) * 180 / M_PI);
if (yaw < 0)
yaw += 360;
}
G_FLOAT (pr, OFS_RETURN) = yaw;
}
/*
PF_vectoangles
vector vectoangles(vector)
*/
void
PF_vectoangles (progs_t *pr)
{
float *value1;
float forward;
float yaw, pitch;
value1 = G_VECTOR (pr, OFS_PARM0);
if (value1[1] == 0 && value1[0] == 0) {
yaw = 0;
if (value1[2] > 0)
pitch = 90;
else
pitch = 270;
} else {
yaw = (int) (atan2 (value1[1], value1[0]) * 180 / M_PI);
if (yaw < 0)
yaw += 360;
forward = sqrt (value1[0] * value1[0] + value1[1] * value1[1]);
pitch = (int) (atan2 (value1[2], forward) * 180 / M_PI);
if (pitch < 0)
pitch += 360;
}
G_FLOAT (pr, OFS_RETURN + 0) = pitch;
G_FLOAT (pr, OFS_RETURN + 1) = yaw;
G_FLOAT (pr, OFS_RETURN + 2) = 0;
}
/*
PF_Random
Returns a number from 0<= num < 1
random()
*/
void
PF_random (progs_t *pr)
{
float num;
num = (rand () & 0x7fff) / ((float) 0x7fff);
G_FLOAT (pr, OFS_RETURN) = num;
}
/*
PF_ambientsound
*/
void
PF_ambientsound (progs_t *pr)
{
char **check;
char *samp;
float *pos;
float vol, attenuation;
int i, soundnum;
pos = G_VECTOR (pr, OFS_PARM0);
samp = G_STRING (pr, OFS_PARM1);
vol = G_FLOAT (pr, OFS_PARM2);
attenuation = G_FLOAT (pr, OFS_PARM3);
// check to see if samp was properly precached
for (soundnum = 0, check = sv.sound_precache; *check; check++, soundnum++)
if (!strcmp (*check, samp))
break;
if (!*check) {
Con_Printf ("no precache: %s\n", samp);
return;
}
// add an svc_spawnambient command to the level signon packet
MSG_WriteByte (&sv.signon, svc_spawnstaticsound);
for (i = 0; i < 3; i++)
MSG_WriteCoord (&sv.signon, pos[i]);
MSG_WriteByte (&sv.signon, soundnum);
MSG_WriteByte (&sv.signon, vol * 255);
MSG_WriteByte (&sv.signon, attenuation * 64);
}
/*
PF_sound
Each entity can have eight independant sound sources, like voice,
weapon, feet, etc.
Channel 0 is an auto-allocate channel, the others override anything
already running on that entity/channel pair.
An attenuation of 0 will play full volume everywhere in the level.
Larger attenuations will drop off.
*/
void
PF_sound (progs_t *pr)
{
char *sample;
int channel;
edict_t *entity;
int volume;
float attenuation;
entity = G_EDICT (pr, OFS_PARM0);
channel = G_FLOAT (pr, OFS_PARM1);
sample = G_STRING (pr, OFS_PARM2);
volume = G_FLOAT (pr, OFS_PARM3) * 255;
attenuation = G_FLOAT (pr, OFS_PARM4);
SV_StartSound (entity, channel, sample, volume, attenuation);
}
/*
PF_break
break()
*/
void
PF_break (progs_t *pr)
{
Con_Printf ("break statement\n");
*(int *) -4 = 0; // dump to debugger
// PR_RunError (pr, "break statement");
}
/*
PF_traceline
Used for use tracing and shot targeting
Traces are blocked by bbox and exact bsp entityes, and also slide box
entities if the tryents flag is set.
traceline (vector1, vector2, tryents)
*/
void
PF_traceline (progs_t *pr)
{
float *v1, *v2;
trace_t trace;
int nomonsters;
edict_t *ent;
v1 = G_VECTOR (pr, OFS_PARM0);
v2 = G_VECTOR (pr, OFS_PARM1);
nomonsters = G_FLOAT (pr, OFS_PARM2);
ent = G_EDICT (pr, OFS_PARM3);
trace = SV_Move (v1, vec3_origin, vec3_origin, v2, nomonsters, ent);
pr->pr_global_struct->trace_allsolid = trace.allsolid;
pr->pr_global_struct->trace_startsolid = trace.startsolid;
pr->pr_global_struct->trace_fraction = trace.fraction;
pr->pr_global_struct->trace_inwater = trace.inwater;
pr->pr_global_struct->trace_inopen = trace.inopen;
VectorCopy (trace.endpos, pr->pr_global_struct->trace_endpos);
VectorCopy (trace.plane.normal, pr->pr_global_struct->trace_plane_normal);
pr->pr_global_struct->trace_plane_dist = trace.plane.dist;
if (trace.ent)
pr->pr_global_struct->trace_ent = EDICT_TO_PROG (pr, trace.ent);
else
pr->pr_global_struct->trace_ent = EDICT_TO_PROG (pr, sv.edicts);
}
/*
PF_checkpos
Returns true if the given entity can move to the given position from it's
current position by walking or rolling.
FIXME: make work...
scalar checkpos (entity, vector)
*/
void
PF_checkpos (progs_t *pr)
{
}
//============================================================================
byte checkpvs[MAX_MAP_LEAFS / 8];
int
PF_newcheckclient (progs_t *pr, int check)
{
int i;
byte *pvs;
edict_t *ent;
mleaf_t *leaf;
vec3_t org;
// cycle to the next one
if (check < 1)
check = 1;
if (check > MAX_CLIENTS)
check = MAX_CLIENTS;
if (check == MAX_CLIENTS)
i = 1;
else
i = check + 1;
for (;; i++) {
if (i == MAX_CLIENTS + 1)
i = 1;
ent = EDICT_NUM (pr, i);
if (i == check)
break; // didn't find anything else
if (ent->free)
continue;
if (ent->v.v.health <= 0)
continue;
if ((int) ent->v.v.flags & FL_NOTARGET)
continue;
// anything that is a client, or has a client as an enemy
break;
}
// get the PVS for the entity
VectorAdd (ent->v.v.origin, ent->v.v.view_ofs, org);
leaf = Mod_PointInLeaf (org, sv.worldmodel);
pvs = Mod_LeafPVS (leaf, sv.worldmodel);
memcpy (checkpvs, pvs, (sv.worldmodel->numleafs + 7) >> 3);
return i;
}
/*
PF_checkclient
Returns a client (or object that has a client enemy) that would be a
valid target.
If there are more than one valid options, they are cycled each frame
If (self.origin + self.viewofs) is not in the PVS of the current target,
it is not returned at all.
name checkclient ()
*/
#define MAX_CHECK 16
int c_invis, c_notvis;
void
PF_checkclient (progs_t *pr)
{
edict_t *ent, *self;
mleaf_t *leaf;
int l;
vec3_t view;
// find a new check if on a new frame
if (sv.time - sv.lastchecktime >= 0.1) {
sv.lastcheck = PF_newcheckclient (pr, sv.lastcheck);
sv.lastchecktime = sv.time;
}
// return check if it might be visible
ent = EDICT_NUM (pr, sv.lastcheck);
if (ent->free || ent->v.v.health <= 0) {
RETURN_EDICT (pr, sv.edicts);
return;
}
// if current entity can't possibly see the check entity, return 0
self = PROG_TO_EDICT (pr, pr->pr_global_struct->self);
VectorAdd (self->v.v.origin, self->v.v.view_ofs, view);
leaf = Mod_PointInLeaf (view, sv.worldmodel);
l = (leaf - sv.worldmodel->leafs) - 1;
if ((l < 0) || !(checkpvs[l >> 3] & (1 << (l & 7)))) {
c_notvis++;
RETURN_EDICT (pr, sv.edicts);
return;
}
// might be able to see it
c_invis++;
RETURN_EDICT (pr, ent);
}
//============================================================================
/*
PF_stuffcmd
Sends text over to the client's execution buffer
stuffcmd (clientent, value)
*/
void
PF_stuffcmd (progs_t *pr)
{
int entnum;
char *str;
client_t *cl;
char *buf;
char *p;
entnum = G_EDICTNUM (pr, OFS_PARM0);
if (entnum < 1 || entnum > MAX_CLIENTS)
PR_RunError (pr, "Parm 0 not a client");
str = G_STRING (pr, OFS_PARM1);
cl = &svs.clients[entnum - 1];
buf = cl->stufftext_buf;
if (strlen (buf) + strlen (str) >= MAX_STUFFTEXT)
PR_RunError (pr, "stufftext buffer overflow");
strcat (buf, str);
if (!strcmp (buf, "disconnect\n")) {
// so long and thanks for all the fish
cl->drop = true;
buf[0] = 0;
return;
}
p = strrchr (buf, '\n');
if (p) {
char t = p[1];
p[1] = 0;
ClientReliableWrite_Begin (cl, svc_stufftext, 2 + p - buf);
ClientReliableWrite_String (cl, buf);
p[1] = t;
strcpy (buf, p + 1); // safe because this is a downward, in
// buffer move
}
}
/*
PF_localcmd
Sends text over to the client's execution buffer
localcmd (string)
*/
void
PF_localcmd (progs_t *pr)
{
char *str;
str = G_STRING (pr, OFS_PARM0);
Cbuf_AddText (str);
}
/*
PF_cvar
float cvar (string)
*/
void
PF_cvar (progs_t *pr)
{
char *str;
str = G_STRING (pr, OFS_PARM0);
G_FLOAT (pr, OFS_RETURN) = Cvar_VariableValue (str);
}
/*
PF_cvar_set
float cvar (string)
*/
void
PF_cvar_set (progs_t *pr)
{
char *var_name, *val;
cvar_t *var;
var_name = G_STRING (pr, OFS_PARM0);
val = G_STRING (pr, OFS_PARM1);
var = Cvar_FindVar (var_name);
if (!var)
var = Cvar_FindAlias (var_name);
if (!var) {
// FIXME: make Con_DPrint?
Con_Printf ("PF_cvar_set: variable %s not found\n", var_name);
return;
}
Cvar_Set (var, val);
}
/*
PF_findradius
Returns a chain of entities that have origins within a spherical area
findradius (origin, radius)
*/
void
PF_findradius (progs_t *pr)
{
edict_t *ent, *chain;
float rad;
float *org;
vec3_t eorg;
int i, j;
chain = (edict_t *) sv.edicts;
org = G_VECTOR (pr, OFS_PARM0);
rad = G_FLOAT (pr, OFS_PARM1);
ent = NEXT_EDICT (pr, sv.edicts);
for (i = 1; i < sv.num_edicts; i++, ent = NEXT_EDICT (pr, ent)) {
if (ent->free)
continue;
if (ent->v.v.solid == SOLID_NOT)
continue;
for (j = 0; j < 3; j++)
eorg[j] =
org[j] - (ent->v.v.origin[j] +
(ent->v.v.mins[j] + ent->v.v.maxs[j]) * 0.5);
if (Length (eorg) > rad)
continue;
ent->v.v.chain = EDICT_TO_PROG (pr, chain);
chain = ent;
}
RETURN_EDICT (pr, chain);
}
/*
PF_dprint
*/
void
PF_dprint (progs_t *pr)
{
Con_Printf ("%s", PF_VarString (pr, 0));
}
char pr_string_temp[128];
void
PF_ftos (progs_t *pr)
{
float v;
int i; // 1999-07-25 FTOS fix by Maddes
v = G_FLOAT (pr, OFS_PARM0);
if (v == (int) v)
snprintf (pr_string_temp, sizeof (pr_string_temp), "%d", (int) v);
else
// 1999-07-25 FTOS fix by Maddes start
{
snprintf (pr_string_temp, sizeof (pr_string_temp), "%1f", v);
for (i = strlen (pr_string_temp) - 1;
i > 0 && pr_string_temp[i] == '0' && pr_string_temp[i - 1] != '.';
i--) {
pr_string_temp[i] = 0;
}
}
// 1999-07-25 FTOS fix by Maddes end
G_INT (pr, OFS_RETURN) = PR_SetString (pr, pr_string_temp);
}
void
PF_fabs (progs_t *pr)
{
float v;
v = G_FLOAT (pr, OFS_PARM0);
G_FLOAT (pr, OFS_RETURN) = fabs (v);
}
void
PF_vtos (progs_t *pr)
{
snprintf (pr_string_temp, sizeof (pr_string_temp), "'%5.1f %5.1f %5.1f'",
G_VECTOR (pr, OFS_PARM0)[0], G_VECTOR (pr, OFS_PARM0)[1],
G_VECTOR (pr, OFS_PARM0)[2]);
G_INT (pr, OFS_RETURN) = PR_SetString (pr, pr_string_temp);
}
void
PF_Spawn (progs_t *pr)
{
edict_t *ed;
ed = ED_Alloc (pr);
RETURN_EDICT (pr, ed);
}
void
PF_Remove (progs_t *pr)
{
edict_t *ed;
ed = G_EDICT (pr, OFS_PARM0);
ED_Free (pr, ed);
}
// entity (entity start, .string field, string match) find = #5;
void
PF_Find (progs_t *pr)
{
int e;
int f;
char *s, *t;
edict_t *ed;
e = G_EDICTNUM (pr, OFS_PARM0);
f = G_INT (pr, OFS_PARM1);
s = G_STRING (pr, OFS_PARM2);
if (!s)
PR_RunError (pr, "PF_Find: bad search string");
for (e++; e < sv.num_edicts; e++) {
ed = EDICT_NUM (pr, e);
if (ed->free)
continue;
t = E_STRING (pr, ed, f);
if (!t)
continue;
if (!strcmp (t, s)) {
RETURN_EDICT (pr, ed);
return;
}
}
RETURN_EDICT (pr, sv.edicts);
}
void
PR_CheckEmptyString (progs_t *pr, char *s)
{
if (s[0] <= ' ')
PR_RunError (pr, "Bad string");
}
void
PF_precache_file (progs_t *pr)
{ // precache_file is only used to copy
// files with qcc, it does nothing
G_INT (pr, OFS_RETURN) = G_INT (pr, OFS_PARM0);
}
void
PF_precache_sound (progs_t *pr)
{
char *s;
int i;
if (sv.state != ss_loading)
PR_RunError
(pr, "PF_Precache_*: Precache can only be done in spawn functions");
s = G_STRING (pr, OFS_PARM0);
G_INT (pr, OFS_RETURN) = G_INT (pr, OFS_PARM0);
PR_CheckEmptyString (pr, s);
for (i = 0; i < MAX_SOUNDS; i++) {
if (!sv.sound_precache[i]) {
sv.sound_precache[i] = s;
return;
}
if (!strcmp (sv.sound_precache[i], s))
return;
}
PR_RunError (pr, "PF_precache_sound: overflow");
}
void
PF_precache_model (progs_t *pr)
{
char *s;
int i;
if (sv.state != ss_loading)
PR_RunError
(pr, "PF_Precache_*: Precache can only be done in spawn functions");
s = G_STRING (pr, OFS_PARM0);
G_INT (pr, OFS_RETURN) = G_INT (pr, OFS_PARM0);
PR_CheckEmptyString (pr, s);
for (i = 0; i < MAX_MODELS; i++) {
if (!sv.model_precache[i]) {
sv.model_precache[i] = s;
return;
}
if (!strcmp (sv.model_precache[i], s))
return;
}
PR_RunError (pr, "PF_precache_model: overflow");
}
void
PF_coredump (progs_t *pr)
{
ED_PrintEdicts (pr);
}
void
PF_traceon (progs_t *pr)
{
pr->pr_trace = true;
}
void
PF_traceoff (progs_t *pr)
{
pr->pr_trace = false;
}
void
PF_eprint (progs_t *pr)
{
ED_PrintNum (pr, G_EDICTNUM (pr, OFS_PARM0));
}
/*
PF_walkmove
float(float yaw, float dist) walkmove
*/
void
PF_walkmove (progs_t *pr)
{
edict_t *ent;
float yaw, dist;
vec3_t move;
dfunction_t *oldf;
int oldself;
ent = PROG_TO_EDICT (pr, pr->pr_global_struct->self);
yaw = G_FLOAT (pr, OFS_PARM0);
dist = G_FLOAT (pr, OFS_PARM1);
if (!((int) ent->v.v.flags & (FL_ONGROUND | FL_FLY | FL_SWIM))) {
G_FLOAT (pr, OFS_RETURN) = 0;
return;
}
yaw = yaw * M_PI * 2 / 360;
move[0] = cos (yaw) * dist;
move[1] = sin (yaw) * dist;
move[2] = 0;
// save program state, because SV_movestep may call other progs
oldf = pr->pr_xfunction;
oldself = pr->pr_global_struct->self;
G_FLOAT (pr, OFS_RETURN) = SV_movestep (ent, move, true);
// restore program state
pr->pr_xfunction = oldf;
pr->pr_global_struct->self = oldself;
}
/*
PF_droptofloor
void() droptofloor
*/
void
PF_droptofloor (progs_t *pr)
{
edict_t *ent;
vec3_t end;
trace_t trace;
ent = PROG_TO_EDICT (pr, pr->pr_global_struct->self);
VectorCopy (ent->v.v.origin, end);
end[2] -= 256;
trace = SV_Move (ent->v.v.origin, ent->v.v.mins, ent->v.v.maxs, end, false, ent);
if (trace.fraction == 1 || trace.allsolid)
G_FLOAT (pr, OFS_RETURN) = 0;
else {
VectorCopy (trace.endpos, ent->v.v.origin);
SV_LinkEdict (ent, false);
ent->v.v.flags = (int) ent->v.v.flags | FL_ONGROUND;
ent->v.v.groundentity = EDICT_TO_PROG (pr, trace.ent);
G_FLOAT (pr, OFS_RETURN) = 1;
}
}
/*
PF_lightstyle
void(float style, string value) lightstyle
*/
void
PF_lightstyle (progs_t *pr)
{
int style;
char *val;
client_t *client;
int j;
style = G_FLOAT (pr, OFS_PARM0);
val = G_STRING (pr, OFS_PARM1);
// change the string in sv
sv.lightstyles[style] = val;
// send message to all clients on this server
if (sv.state != ss_active)
return;
for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++)
if (client->state == cs_spawned) {
ClientReliableWrite_Begin (client, svc_lightstyle,
strlen (val) + 3);
ClientReliableWrite_Char (client, style);
ClientReliableWrite_String (client, val);
}
}
void
PF_rint (progs_t *pr)
{
float f;
f = G_FLOAT (pr, OFS_PARM0);
if (f > 0)
G_FLOAT (pr, OFS_RETURN) = (int) (f + 0.5);
else
G_FLOAT (pr, OFS_RETURN) = (int) (f - 0.5);
}
void
PF_floor (progs_t *pr)
{
G_FLOAT (pr, OFS_RETURN) = floor (G_FLOAT (pr, OFS_PARM0));
}
void
PF_ceil (progs_t *pr)
{
G_FLOAT (pr, OFS_RETURN) = ceil (G_FLOAT (pr, OFS_PARM0));
}
/*
PF_checkbottom
*/
void
PF_checkbottom (progs_t *pr)
{
edict_t *ent;
ent = G_EDICT (pr, OFS_PARM0);
G_FLOAT (pr, OFS_RETURN) = SV_CheckBottom (ent);
}
/*
PF_pointcontents
*/
void
PF_pointcontents (progs_t *pr)
{
float *v;
v = G_VECTOR (pr, OFS_PARM0);
G_FLOAT (pr, OFS_RETURN) = SV_PointContents (v);
}
/*
PF_nextent
entity nextent(entity)
*/
void
PF_nextent (progs_t *pr)
{
int i;
edict_t *ent;
i = G_EDICTNUM (pr, OFS_PARM0);
while (1) {
i++;
if (i == sv.num_edicts) {
RETURN_EDICT (pr, sv.edicts);
return;
}
ent = EDICT_NUM (pr, i);
if (!ent->free) {
RETURN_EDICT (pr, ent);
return;
}
}
}
/*
PF_aim
Pick a vector for the player to shoot along
vector aim(entity, missilespeed)
*/
cvar_t *sv_aim;
void
PF_aim (progs_t *pr)
{
edict_t *ent, *check, *bestent;
vec3_t start, dir, end, bestdir;
int i, j;
trace_t tr;
float dist, bestdist;
float speed;
char *noaim;
ent = G_EDICT (pr, OFS_PARM0);
speed = G_FLOAT (pr, OFS_PARM1);
VectorCopy (ent->v.v.origin, start);
start[2] += 20;
// noaim option
i = NUM_FOR_EDICT (pr, ent);
if (i > 0 && i < MAX_CLIENTS) {
noaim = Info_ValueForKey (svs.clients[i - 1].userinfo, "noaim");
if (atoi (noaim) > 0) {
VectorCopy (pr->pr_global_struct->v_forward, G_VECTOR (pr, OFS_RETURN));
return;
}
}
// try sending a trace straight
VectorCopy (pr->pr_global_struct->v_forward, dir);
VectorMA (start, 2048, dir, end);
tr = SV_Move (start, vec3_origin, vec3_origin, end, false, ent);
if (tr.ent && tr.ent->v.v.takedamage == DAMAGE_AIM
&& (!teamplay->int_val || ent->v.v.team <= 0
|| ent->v.v.team != tr.ent->v.v.team)) {
VectorCopy (pr->pr_global_struct->v_forward, G_VECTOR (pr, OFS_RETURN));
return;
}
// try all possible entities
VectorCopy (dir, bestdir);
bestdist = sv_aim->value;
bestent = NULL;
check = NEXT_EDICT (pr, sv.edicts);
for (i = 1; i < sv.num_edicts; i++, check = NEXT_EDICT (pr, check)) {
if (check->v.v.takedamage != DAMAGE_AIM)
continue;
if (check == ent)
continue;
if (teamplay->int_val && ent->v.v.team > 0
&& ent->v.v.team == check->v.v.team) continue; // don't aim at
// teammate
for (j = 0; j < 3; j++)
end[j] = check->v.v.origin[j]
+ 0.5 * (check->v.v.mins[j] + check->v.v.maxs[j]);
VectorSubtract (end, start, dir);
VectorNormalize (dir);
dist = DotProduct (dir, pr->pr_global_struct->v_forward);
if (dist < bestdist)
continue; // to far to turn
tr = SV_Move (start, vec3_origin, vec3_origin, end, false, ent);
if (tr.ent == check) { // can shoot at this one
bestdist = dist;
bestent = check;
}
}
if (bestent) {
VectorSubtract (bestent->v.v.origin, ent->v.v.origin, dir);
dist = DotProduct (dir, pr->pr_global_struct->v_forward);
VectorScale (pr->pr_global_struct->v_forward, dist, end);
end[2] = dir[2];
VectorNormalize (end);
VectorCopy (end, G_VECTOR (pr, OFS_RETURN));
} else {
VectorCopy (bestdir, G_VECTOR (pr, OFS_RETURN));
}
}
/*
PF_changeyaw
This was a major timewaster in progs, so it was converted to C
*/
void
PF_changeyaw (progs_t *pr)
{
edict_t *ent;
float ideal, current, move, speed;
ent = PROG_TO_EDICT (pr, pr->pr_global_struct->self);
current = anglemod (ent->v.v.angles[1]);
ideal = ent->v.v.ideal_yaw;
speed = ent->v.v.yaw_speed;
if (current == ideal)
return;
move = ideal - current;
if (ideal > current) {
if (move >= 180)
move = move - 360;
} else {
if (move <= -180)
move = move + 360;
}
if (move > 0) {
if (move > speed)
move = speed;
} else {
if (move < -speed)
move = -speed;
}
ent->v.v.angles[1] = anglemod (current + move);
}
/*
MESSAGE WRITING
*/
#define MSG_BROADCAST 0 // unreliable to all
#define MSG_ONE 1 // reliable to one (msg_entity)
#define MSG_ALL 2 // reliable to all
#define MSG_INIT 3 // write to the init string
#define MSG_MULTICAST 4 // for multicast()
sizebuf_t *
WriteDest (progs_t *pr)
{
int dest;
dest = G_FLOAT (pr, OFS_PARM0);
switch (dest) {
case MSG_BROADCAST:
return &sv.datagram;
case MSG_ONE:
SV_Error ("Shouldn't be at MSG_ONE");
#if 0
ent = PROG_TO_EDICT (pr, pr->pr_global_struct->msg_entity);
entnum = NUM_FOR_EDICT (pr, ent);
if (entnum < 1 || entnum > MAX_CLIENTS)
PR_RunError (pr, "WriteDest: not a client");
return &svs.clients[entnum - 1].netchan.message;
#endif
case MSG_ALL:
return &sv.reliable_datagram;
case MSG_INIT:
if (sv.state != ss_loading)
PR_RunError
(pr, "PF_Write_*: MSG_INIT can only be written in spawn functions");
return &sv.signon;
case MSG_MULTICAST:
return &sv.multicast;
default:
PR_RunError (pr, "WriteDest: bad destination");
break;
}
return NULL;
}
static client_t *
Write_GetClient (progs_t *pr)
{
int entnum;
edict_t *ent;
ent = PROG_TO_EDICT (pr, pr->pr_global_struct->msg_entity);
entnum = NUM_FOR_EDICT (pr, ent);
if (entnum < 1 || entnum > MAX_CLIENTS)
PR_RunError (pr, "Write_GetClient: not a client");
return &svs.clients[entnum - 1];
}
void
PF_WriteByte (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 1);
ClientReliableWrite_Byte (cl, G_FLOAT (pr, OFS_PARM1));
} else
MSG_WriteByte (WriteDest (pr), G_FLOAT (pr, OFS_PARM1));
}
void
PF_WriteChar (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 1);
ClientReliableWrite_Char (cl, G_FLOAT (pr, OFS_PARM1));
} else
MSG_WriteChar (WriteDest (pr), G_FLOAT (pr, OFS_PARM1));
}
void
PF_WriteShort (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 2);
ClientReliableWrite_Short (cl, G_FLOAT (pr, OFS_PARM1));
} else
MSG_WriteShort (WriteDest (pr), G_FLOAT (pr, OFS_PARM1));
}
void
PF_WriteLong (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 4);
ClientReliableWrite_Long (cl, G_FLOAT (pr, OFS_PARM1));
} else
MSG_WriteLong (WriteDest (pr), G_FLOAT (pr, OFS_PARM1));
}
void
PF_WriteAngle (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 1);
ClientReliableWrite_Angle (cl, G_FLOAT (pr, OFS_PARM1));
} else
MSG_WriteAngle (WriteDest (pr), G_FLOAT (pr, OFS_PARM1));
}
void
PF_WriteCoord (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 2);
ClientReliableWrite_Coord (cl, G_FLOAT (pr, OFS_PARM1));
} else
MSG_WriteCoord (WriteDest (pr), G_FLOAT (pr, OFS_PARM1));
}
void
PF_WriteString (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 1 + strlen (G_STRING (pr, OFS_PARM1)));
ClientReliableWrite_String (cl, G_STRING (pr, OFS_PARM1));
} else
MSG_WriteString (WriteDest (pr), G_STRING (pr, OFS_PARM1));
}
void
PF_WriteEntity (progs_t *pr)
{
if (G_FLOAT (pr, OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient (pr);
ClientReliableCheckBlock (cl, 2);
ClientReliableWrite_Short (cl, G_EDICTNUM (pr, OFS_PARM1));
} else
MSG_WriteShort (WriteDest (pr), G_EDICTNUM (pr, OFS_PARM1));
}
//=============================================================================
int SV_ModelIndex (char *name);
void
PF_makestatic (progs_t *pr)
{
edict_t *ent;
int i;
ent = G_EDICT (pr, OFS_PARM0);
MSG_WriteByte (&sv.signon, svc_spawnstatic);
MSG_WriteByte (&sv.signon, SV_ModelIndex (PR_GetString (pr, ent->v.v.model)));
MSG_WriteByte (&sv.signon, ent->v.v.frame);
MSG_WriteByte (&sv.signon, ent->v.v.colormap);
MSG_WriteByte (&sv.signon, ent->v.v.skin);
for (i = 0; i < 3; i++) {
MSG_WriteCoord (&sv.signon, ent->v.v.origin[i]);
MSG_WriteAngle (&sv.signon, ent->v.v.angles[i]);
}
// throw the entity away now
ED_Free (pr, ent);
}
//=============================================================================
/*
PF_setspawnparms
*/
void
PF_setspawnparms (progs_t *pr)
{
edict_t *ent;
int i;
client_t *client;
ent = G_EDICT (pr, OFS_PARM0);
i = NUM_FOR_EDICT (pr, ent);
if (i < 1 || i > MAX_CLIENTS)
PR_RunError (pr, "Entity is not a client");
// copy spawn parms out of the client_t
client = svs.clients + (i - 1);
for (i = 0; i < NUM_SPAWN_PARMS; i++)
(&pr->pr_global_struct->parm1)[i] = client->spawn_parms[i];
}
/*
PF_changelevel
*/
void
PF_changelevel (progs_t *pr)
{
char *s;
static int last_spawncount;
// make sure we don't issue two changelevels
if (svs.spawncount == last_spawncount)
return;
last_spawncount = svs.spawncount;
s = G_STRING (pr, OFS_PARM0);
Cbuf_AddText (va ("map %s\n", s));
}
/*
PF_logfrag
logfrag (killer, killee)
*/
void
PF_logfrag (progs_t *pr)
{
edict_t *ent1, *ent2;
int e1, e2;
char *s;
ent1 = G_EDICT (pr, OFS_PARM0);
ent2 = G_EDICT (pr, OFS_PARM1);
e1 = NUM_FOR_EDICT (pr, ent1);
e2 = NUM_FOR_EDICT (pr, ent2);
if (e1 < 1 || e1 > MAX_CLIENTS || e2 < 1 || e2 > MAX_CLIENTS)
return;
s = va ("\\%s\\%s\\\n", svs.clients[e1 - 1].name, svs.clients[e2 - 1].name);
SZ_Print (&svs.log[svs.logsequence & 1], s);
if (sv_fraglogfile) {
Qprintf (sv_fraglogfile, s);
Qflush (sv_fraglogfile);
}
}
/*
PF_infokey
string(entity e, string key) infokey
*/
void
PF_infokey (progs_t *pr)
{
edict_t *e;
int e1;
char *value;
char *key;
static char ov[256];
e = G_EDICT (pr, OFS_PARM0);
e1 = NUM_FOR_EDICT (pr, e);
key = G_STRING (pr, OFS_PARM1);
if (e1 == 0) {
if ((value = Info_ValueForKey (svs.info, key)) == NULL || !*value)
value = Info_ValueForKey (localinfo, key);
} else if (e1 <= MAX_CLIENTS) {
if (!strcmp (key, "ip"))
value =
strcpy (ov,
NET_BaseAdrToString (svs.clients[e1 - 1].netchan.
remote_address));
else if (!strcmp (key, "ping")) {
int ping = SV_CalcPing (&svs.clients[e1 - 1]);
snprintf (ov, sizeof (ov), "%d", ping);
value = ov;
} else
value = Info_ValueForKey (svs.clients[e1 - 1].userinfo, key);
} else
value = "";
RETURN_STRING (pr, value);
}
/*
PF_stof
float(string s) stof
*/
void
PF_stof (progs_t *pr)
{
char *s;
s = G_STRING (pr, OFS_PARM0);
G_FLOAT (pr, OFS_RETURN) = atof (s);
}
/*
PF_multicast
void(vector where, float set) multicast
*/
void
PF_multicast (progs_t *pr)
{
float *o;
int to;
o = G_VECTOR (pr, OFS_PARM0);
to = G_FLOAT (pr, OFS_PARM1);
SV_Multicast (o, to);
}
void
PF_Fixme (progs_t *pr)
{
PR_RunError (pr, "unimplemented bulitin");
}
builtin_t pr_builtin[] = {
PF_Fixme,
PF_makevectors, // void(entity e) makevectors
// = #1;
PF_setorigin, // void(entity e, vector o) setorigin
// = #2;
PF_setmodel, // void(entity e, string m) setmodel
// = #3;
PF_setsize, // void(entity e, vector min, vector
// max) setsize = #4;
PF_Fixme, // void(entity e, vector min, vector
// max) setabssize = #5;
PF_break, // void() break =
// #6;
PF_random, // float() random
// = #7;
PF_sound, // void(entity e, float chan, string
// samp) sound = #8;
PF_normalize, // vector(vector v) normalize
// = #9;
PF_error, // void(string e) error =
// #10;
PF_objerror, // void(string e) objerror
// = #11;
PF_vlen, // float(vector v) vlen =
// #12;
PF_vectoyaw, // float(vector v) vectoyaw =
// #13;
PF_Spawn, // entity() spawn
// = #14;
PF_Remove, // void(entity e) remove
// = #15;
PF_traceline, // float(vector v1, vector v2, float
// tryents) traceline = #16;
PF_checkclient, // entity() clientlist
// = #17;
PF_Find, // entity(entity start, .string fld,
// string match) find = #18;
PF_precache_sound, // void(string s) precache_sound
// = #19;
PF_precache_model, // void(string s) precache_model
// = #20;
PF_stuffcmd, // void(entity client, string
// s)stuffcmd = #21;
PF_findradius, // entity(vector org, float rad)
// findradius = #22;
PF_bprint, // void(string s) bprint
// = #23;
PF_sprint, // void(entity client, string s)
// sprint = #24;
PF_dprint, // void(string s) dprint
// = #25;
PF_ftos, // void(string s) ftos =
// #26;
PF_vtos, // void(string s) vtos =
// #27;
PF_coredump,
PF_traceon,
PF_traceoff,
PF_eprint, // void(entity e) debug print an
// entire entity
PF_walkmove, // float(float yaw, float dist)
// walkmove
PF_Fixme, // float(float yaw, float dist)
// walkmove
PF_droptofloor,
PF_lightstyle,
PF_rint,
PF_floor,
PF_ceil,
PF_Fixme,
PF_checkbottom,
PF_pointcontents,
PF_Fixme,
PF_fabs,
PF_aim,
PF_cvar,
PF_localcmd,
PF_nextent,
PF_Fixme,
PF_changeyaw,
PF_Fixme,
PF_vectoangles,
PF_WriteByte,
PF_WriteChar,
PF_WriteShort,
PF_WriteLong,
PF_WriteCoord,
PF_WriteAngle,
PF_WriteString,
PF_WriteEntity,
PF_Fixme,
PF_Fixme,
PF_Fixme,
PF_Fixme,
PF_Fixme,
PF_Fixme,
PF_Fixme,
SV_MoveToGoal,
PF_precache_file,
PF_makestatic,
PF_changelevel,
PF_Fixme,
PF_cvar_set,
PF_centerprint,
PF_ambientsound,
PF_precache_model,
PF_precache_sound, // precache_sound2 is different only
// for qcc
PF_precache_file,
PF_setspawnparms,
PF_logfrag,
PF_infokey,
PF_stof,
PF_multicast
};
builtin_t *pr_builtins = pr_builtin;
int pr_numbuiltins = sizeof (pr_builtin) / sizeof (pr_builtin[0]);
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