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quakeforge-old/common/pr_cmds.c
Bill Currie e9a2a3fab5 Add gzip support, add -Werror to gcc CFLAGS, clean up misc warnings. 
NOTE: demos are broken for gzipped demo files (possibly normal ones too, not
yet tested).
2000-02-03 00:34:12 +00:00

1996 lines
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/*
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Portions Copyright (C) 1999,2000 Nelson Rush.
Please see the file "AUTHORS" for a list of contributors
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.
*/
#ifdef QUAKEWORLD
# include "qwsvdef.h"
#else
# include "quakedef.h"
#endif
#include <qtypes.h>
#include <mathlib.h>
#include <cvar.h>
#include <protocol.h>
#include <cmd.h>
#include <sys.h>
#include <console.h>
#define RETURN_EDICT(e) (((int *)pr_globals)[OFS_RETURN] = EDICT_TO_PROG(e))
#define RETURN_STRING(s) (((int *)pr_globals)[OFS_RETURN] = PR_SetString(s))
/*
===============================================================================
BUILT-IN FUNCTIONS
===============================================================================
*/
char *PF_VarString (int first)
{
int i;
static char out[256];
out[0] = 0;
for (i=first ; i<pr_argc ; i++)
{
strcat (out, G_STRING((OFS_PARM0+i*3)));
}
return out;
}
/*
=================
PF_errror
This is a TERMINAL error, which will kill off the entire server.
Dumps self.
error(value)
=================
*/
void PF_error (void)
{
char *s;
edict_t *ed;
s = PF_VarString(0);
Con_Printf ("======SERVER ERROR in %s:\n%s\n", PR_GetString(pr_xfunction->s_name) ,s);
ed = PROG_TO_EDICT(pr_global_struct->self);
ED_Print (ed);
#ifdef QUAKEWORLD
SV_Error ("Program error");
#else
Host_Error ("Program error");
#endif
}
/*
=================
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 (void)
{
char *s;
edict_t *ed;
s = PF_VarString(0);
Con_Printf ("======OBJECT ERROR in %s:\n%s\n", PR_GetString(pr_xfunction->s_name),s);
ed = PROG_TO_EDICT(pr_global_struct->self);
ED_Print (ed);
ED_Free (ed);
#ifdef QUAKEWORLD
SV_Error ("Program error");
#else
Host_Error ("Program error");
#endif
}
/*
==============
PF_makevectors
Writes new values for v_forward, v_up, and v_right based on angles
makevectors(vector)
==============
*/
void PF_makevectors (void)
{
AngleVectors (G_VECTOR(OFS_PARM0), pr_global_struct->v_forward, pr_global_struct->v_right, 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 (void)
{
edict_t *e;
float *org;
e = G_EDICT(OFS_PARM0);
org = G_VECTOR(OFS_PARM1);
VectorCopy (org, e->v.origin);
SV_LinkEdict (e, false);
}
/*
===============
QUAKEWORLD: Note, the function SetMinMaxSize is only used for UQUAKE
===============
*/
void SetMinMaxSize (edict_t *e, float *min, float *max, qboolean rotate)
{
float *angles;
vec3_t rmin, rmax;
float bounds[2][3];
float xvector[2], yvector[2];
float a;
vec3_t base, transformed;
int i, j, k, l;
for (i=0 ; i<3 ; i++)
if (min[i] > max[i])
PR_RunError ("backwards mins/maxs");
rotate = false; // FIXME: implement rotation properly again
if (!rotate)
{
VectorCopy (min, rmin);
VectorCopy (max, rmax);
}
else
{
// find min / max for rotations
angles = e->v.angles;
a = angles[1]/180 * M_PI;
xvector[0] = cos(a);
xvector[1] = sin(a);
yvector[0] = -sin(a);
yvector[1] = cos(a);
VectorCopy (min, bounds[0]);
VectorCopy (max, bounds[1]);
rmin[0] = rmin[1] = rmin[2] = 9999;
rmax[0] = rmax[1] = rmax[2] = -9999;
for (i=0 ; i<= 1 ; i++)
{
base[0] = bounds[i][0];
for (j=0 ; j<= 1 ; j++)
{
base[1] = bounds[j][1];
for (k=0 ; k<= 1 ; k++)
{
base[2] = bounds[k][2];
// transform the point
transformed[0] = xvector[0]*base[0] + yvector[0]*base[1];
transformed[1] = xvector[1]*base[0] + yvector[1]*base[1];
transformed[2] = base[2];
for (l=0 ; l<3 ; l++)
{
if (transformed[l] < rmin[l])
rmin[l] = transformed[l];
if (transformed[l] > rmax[l])
rmax[l] = transformed[l];
}
}
}
}
}
// set derived values
VectorCopy (rmin, e->v.mins);
VectorCopy (rmax, e->v.maxs);
VectorSubtract (max, min, e->v.size);
SV_LinkEdict (e, false);
}
/*
=================
PF_setsize
the size box is rotated by the current angle
setsize (entity, minvector, maxvector)
=================
*/
void PF_setsize (void)
{
edict_t *e;
float *min, *max;
e = G_EDICT(OFS_PARM0);
min = G_VECTOR(OFS_PARM1);
max = G_VECTOR(OFS_PARM2);
#ifdef QUAKEWORLD
VectorCopy (min, e->v.mins);
VectorCopy (max, e->v.maxs);
VectorSubtract (max, min, e->v.size);
SV_LinkEdict (e, false);
#else
SetMinMaxSize (e, min, max, false);
#endif
}
/*
=================
PF_setmodel
setmodel(entity, model)
Also sets size, mins, and maxs for inline bmodels
=================
*/
void PF_setmodel (void)
{
edict_t *e;
char *m, **check;
int i;
model_t *mod;
e = G_EDICT(OFS_PARM0);
m = G_STRING(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 ("no precache: %s\n", m);
e->v.model = PR_SetString(m);
e->v.modelindex = i;
#ifdef QUAKEWORLD
// 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.mins);
VectorCopy (mod->maxs, e->v.maxs);
VectorSubtract (mod->maxs, mod->mins, e->v.size);
SV_LinkEdict (e, false);
}
#else
mod = sv.models[ (int)e->v.modelindex]; // Mod_ForName (m, true);
if (mod)
SetMinMaxSize (e, mod->mins, mod->maxs, true);
else
SetMinMaxSize (e, vec3_origin, vec3_origin, true);
#endif
}
/*
=================
PF_bprint
broadcast print to everyone on server
bprint(value)
=================
*/
void PF_bprint (void)
{
char *s;
#ifdef QUAKEWORLD
int level;
level = G_FLOAT(OFS_PARM0);
s = PF_VarString(1);
SV_BroadcastPrintf (level, "%s", s);
#else
s = PF_VarString(0);
SV_BroadcastPrintf ("%s", s);
#endif
}
/*
=================
PF_sprint
single print to a specific client
sprint(clientent, value)
=================
*/
void PF_sprint (void)
{
char *s;
client_t *client;
int entnum;
#ifdef QUAKEWORLD
int level;
#endif
entnum = G_EDICTNUM(OFS_PARM0);
#ifdef QUAKEWORLD
level = G_FLOAT(OFS_PARM1);
s = PF_VarString(2);
#else
s = PF_VarString(1);
#endif
#ifdef QUAKEWORLD
if (entnum < 1 || entnum > MAX_CLIENTS)
#else
if (entnum < 1 || entnum > svs.maxclients)
#endif
{
Con_Printf ("tried to sprint to a non-client\n");
return;
}
client = &svs.clients[entnum-1];
#ifdef QUAKEWORLD
SV_ClientPrintf (client, level, "%s", s);
#else
MSG_WriteChar (&client->message,svc_print);
MSG_WriteString (&client->message, s );
#endif
}
/*
=================
PF_centerprint
single print to a specific client
centerprint(clientent, value)
=================
*/
void PF_centerprint (void)
{
char *s;
int entnum;
client_t *cl;
entnum = G_EDICTNUM(OFS_PARM0);
s = PF_VarString(1);
#ifdef QUAKEWORLD
if (entnum < 1 || entnum > MAX_CLIENTS)
#else
if (entnum < 1 || entnum > svs.maxclients)
#endif
{
Con_Printf ("tried to sprint to a non-client\n");
return;
}
cl = &svs.clients[entnum-1];
#ifdef QUAKEWORLD
ClientReliableWrite_Begin (cl, svc_centerprint, 2 + strlen(s));
ClientReliableWrite_String (cl, s);
#else
MSG_WriteChar (&cl->message,svc_centerprint);
MSG_WriteString (&cl->message, s );
#endif
}
/*
=================
PF_normalize
vector normalize(vector)
=================
*/
void PF_normalize (void)
{
float *value1;
vec3_t newvalue;
float new;
value1 = G_VECTOR(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(OFS_RETURN));
}
/*
=================
PF_vlen
scalar vlen(vector)
=================
*/
void PF_vlen (void)
{
float *value1;
float new;
value1 = G_VECTOR(OFS_PARM0);
new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2];
new = sqrt(new);
G_FLOAT(OFS_RETURN) = new;
}
/*
=================
PF_vectoyaw
float vectoyaw(vector)
=================
*/
void PF_vectoyaw (void)
{
float *value1;
float yaw;
value1 = G_VECTOR(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(OFS_RETURN) = yaw;
}
/*
=================
PF_vectoangles
vector vectoangles(vector)
=================
*/
void PF_vectoangles (void)
{
float *value1;
float forward;
float yaw, pitch;
value1 = G_VECTOR(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(OFS_RETURN+0) = pitch;
G_FLOAT(OFS_RETURN+1) = yaw;
G_FLOAT(OFS_RETURN+2) = 0;
}
/*
=================
PF_Random
Returns a number from 0<= num < 1
random()
=================
*/
void PF_random (void)
{
float num;
num = (rand ()&0x7fff) / ((float)0x7fff);
G_FLOAT(OFS_RETURN) = num;
}
#ifdef UQUAKE /* UQUAKE */
/*
=================
PF_particle
particle(origin, color, count)
=================
*/
void PF_particle (void)
{
float *org, *dir;
float color;
float count;
org = G_VECTOR(OFS_PARM0);
dir = G_VECTOR(OFS_PARM1);
color = G_FLOAT(OFS_PARM2);
count = G_FLOAT(OFS_PARM3);
SV_StartParticle (org, dir, color, count);
}
#endif
/*
=================
PF_ambientsound
=================
*/
void PF_ambientsound (void)
{
char **check;
char *samp;
float *pos;
float vol, attenuation;
int i, soundnum;
pos = G_VECTOR (OFS_PARM0);
samp = G_STRING(OFS_PARM1);
vol = G_FLOAT(OFS_PARM2);
attenuation = G_FLOAT(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
allready 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 (void)
{
char *sample;
int channel;
edict_t *entity;
int volume;
float attenuation;
entity = G_EDICT(OFS_PARM0);
channel = G_FLOAT(OFS_PARM1);
sample = G_STRING(OFS_PARM2);
volume = G_FLOAT(OFS_PARM3) * 255;
attenuation = G_FLOAT(OFS_PARM4);
#ifdef UQUAKE
if (volume < 0 || volume > 255)
Sys_Error ("SV_StartSound: volume = %i", volume);
if (attenuation < 0 || attenuation > 4)
Sys_Error ("SV_StartSound: attenuation = %f", attenuation);
if (channel < 0 || channel > 7)
Sys_Error ("SV_StartSound: channel = %i", channel);
#endif
SV_StartSound (entity, channel, sample, volume, attenuation);
}
/*
=================
PF_break
break()
=================
*/
void PF_break (void)
{
Con_Printf ("break statement\n");
*(int *)-4 = 0; // dump to debugger
// PR_RunError ("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 (void)
{
float *v1, *v2;
trace_t trace;
int nomonsters;
edict_t *ent;
v1 = G_VECTOR(OFS_PARM0);
v2 = G_VECTOR(OFS_PARM1);
nomonsters = G_FLOAT(OFS_PARM2);
ent = G_EDICT(OFS_PARM3);
trace = SV_Move (v1, vec3_origin, vec3_origin, v2, nomonsters, ent);
pr_global_struct->trace_allsolid = trace.allsolid;
pr_global_struct->trace_startsolid = trace.startsolid;
pr_global_struct->trace_fraction = trace.fraction;
pr_global_struct->trace_inwater = trace.inwater;
pr_global_struct->trace_inopen = trace.inopen;
VectorCopy (trace.endpos, pr_global_struct->trace_endpos);
VectorCopy (trace.plane.normal, pr_global_struct->trace_plane_normal);
pr_global_struct->trace_plane_dist = trace.plane.dist;
if (trace.ent)
pr_global_struct->trace_ent = EDICT_TO_PROG(trace.ent);
else
pr_global_struct->trace_ent = EDICT_TO_PROG(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 (void)
{
}
//============================================================================
byte checkpvs[MAX_MAP_LEAFS/8];
int PF_newcheckclient (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;
#ifdef QUAKEWORLD
if (check > MAX_CLIENTS)
check = MAX_CLIENTS;
if (check == MAX_CLIENTS)
i = 1;
else
i = check + 1;
#else
if (check > svs.maxclients)
check = svs.maxclients;
if (check == svs.maxclients)
i = 1;
else
i = check + 1;
#endif
for ( ; ; i++)
{
#ifdef QUAKEWORLD
if (i == MAX_CLIENTS+1)
#else
if (i == svs.maxclients+1)
#endif
i = 1;
ent = EDICT_NUM(i);
if (i == check)
break; // didn't find anything else
if (ent->free)
continue;
if (ent->v.health <= 0)
continue;
if ((int)ent->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.origin, ent->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 (void)
{
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 (sv.lastcheck);
sv.lastchecktime = sv.time;
}
// return check if it might be visible
ent = EDICT_NUM(sv.lastcheck);
if (ent->free || ent->v.health <= 0)
{
RETURN_EDICT(sv.edicts);
return;
}
// if current entity can't possibly see the check entity, return 0
self = PROG_TO_EDICT(pr_global_struct->self);
VectorAdd (self->v.origin, self->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(sv.edicts);
return;
}
// might be able to see it
c_invis++;
RETURN_EDICT(ent);
}
//============================================================================
/*
=================
PF_stuffcmd
Sends text over to the client's execution buffer
stuffcmd (clientent, value)
=================
*/
void PF_stuffcmd (void)
{
int entnum;
char *str;
client_t *cl;
entnum = G_EDICTNUM(OFS_PARM0);
#ifdef QUAKEWORLD
if (entnum < 1 || entnum > MAX_CLIENTS)
#else
if (entnum < 1 || entnum > svs.maxclients)
#endif
PR_RunError ("Parm 0 not a client");
str = G_STRING(OFS_PARM1);
cl = &svs.clients[entnum-1];
#if QUAKEWORLD
if (strcmp(str, "disconnect\n") == 0) {
// so long and thanks for all the fish
cl->drop = true;
return;
}
ClientReliableWrite_Begin (cl, svc_stufftext, 2+strlen(str));
ClientReliableWrite_String (cl, str);
#else
cl = host_client;
host_client = &svs.clients[entnum-1];
Host_ClientCommands ("%s", str);
host_client = cl;
#endif
}
/*
=================
PF_localcmd
Sends text over to the client's execution buffer
localcmd (string)
=================
*/
void PF_localcmd (void)
{
char *str;
str = G_STRING(OFS_PARM0);
Cbuf_AddText (str);
}
/*
=================
PF_cvar
float cvar (string)
=================
*/
void PF_cvar (void)
{
char *str;
str = G_STRING(OFS_PARM0);
G_FLOAT(OFS_RETURN) = Cvar_VariableValue (str);
}
/*
=================
PF_cvar_set
float cvar (string)
=================
*/
void PF_cvar_set (void)
{
char *var, *val;
var = G_STRING(OFS_PARM0);
val = G_STRING(OFS_PARM1);
Cvar_Set (var, val);
}
/*
=================
PF_findradius
Returns a chain of entities that have origins within a spherical area
findradius (origin, radius)
=================
*/
void PF_findradius (void)
{
edict_t *ent, *chain;
float rad;
float *org;
vec3_t eorg;
int i, j;
chain = (edict_t *)sv.edicts;
org = G_VECTOR(OFS_PARM0);
rad = G_FLOAT(OFS_PARM1);
ent = NEXT_EDICT(sv.edicts);
for (i=1 ; i<sv.num_edicts ; i++, ent = NEXT_EDICT(ent))
{
if (ent->free)
continue;
if (ent->v.solid == SOLID_NOT)
continue;
for (j=0 ; j<3 ; j++)
eorg[j] = org[j] - (ent->v.origin[j] + (ent->v.mins[j] + ent->v.maxs[j])*0.5);
if (Length(eorg) > rad)
continue;
ent->v.chain = EDICT_TO_PROG(chain);
chain = ent;
}
RETURN_EDICT(chain);
}
/*
=========
PF_dprint
=========
*/
void PF_dprint (void)
{
#ifdef QUAKEWORLD
Con_Printf ("%s",PF_VarString(0));
#else
Con_DPrintf ("%s",PF_VarString(0));
#endif
}
char pr_string_temp[128];
void PF_ftos (void)
{
float v;
v = G_FLOAT(OFS_PARM0);
if (v == (int)v)
snprintf(pr_string_temp, sizeof(pr_string_temp), "%d",(int)v);
else
snprintf(pr_string_temp, sizeof(pr_string_temp), "%5.1f",v);
G_INT(OFS_RETURN) = PR_SetString(pr_string_temp);
}
void PF_fabs (void)
{
float v;
v = G_FLOAT(OFS_PARM0);
G_FLOAT(OFS_RETURN) = fabs(v);
}
void PF_vtos (void)
{
snprintf(pr_string_temp, sizeof(pr_string_temp), "'%5.1f %5.1f %5.1f'", G_VECTOR(OFS_PARM0)[0], G_VECTOR(OFS_PARM0)[1], G_VECTOR(OFS_PARM0)[2]);
G_INT(OFS_RETURN) = PR_SetString(pr_string_temp);
}
void PF_Spawn (void)
{
edict_t *ed;
ed = ED_Alloc();
RETURN_EDICT(ed);
}
void PF_Remove (void)
{
edict_t *ed;
ed = G_EDICT(OFS_PARM0);
ED_Free (ed);
}
// entity (entity start, .string field, string match) find = #5;
void PF_Find (void)
{
int e;
int f;
char *s, *t;
edict_t *ed;
e = G_EDICTNUM(OFS_PARM0);
f = G_INT(OFS_PARM1);
s = G_STRING(OFS_PARM2);
if (!s)
PR_RunError ("PF_Find: bad search string");
for (e++ ; e < sv.num_edicts ; e++)
{
ed = EDICT_NUM(e);
if (ed->free)
continue;
t = E_STRING(ed,f);
if (!t)
continue;
if (!strcmp(t,s))
{
RETURN_EDICT(ed);
return;
}
}
RETURN_EDICT(sv.edicts);
}
void PR_CheckEmptyString (char *s)
{
if (s[0] <= ' ')
PR_RunError ("Bad string");
}
void PF_precache_file (void)
{ // precache_file is only used to copy files with qcc, it does nothing
G_INT(OFS_RETURN) = G_INT(OFS_PARM0);
}
void PF_precache_sound (void)
{
char *s;
int i;
if (sv.state != ss_loading)
PR_RunError ("PF_Precache_*: Precache can only be done in spawn functions");
s = G_STRING(OFS_PARM0);
G_INT(OFS_RETURN) = G_INT(OFS_PARM0);
PR_CheckEmptyString (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 ("PF_precache_sound: overflow");
}
void PF_precache_model (void)
{
char *s;
int i;
if (sv.state != ss_loading)
PR_RunError ("PF_Precache_*: Precache can only be done in spawn functions");
s = G_STRING(OFS_PARM0);
G_INT(OFS_RETURN) = G_INT(OFS_PARM0);
PR_CheckEmptyString (s);
for (i=0 ; i<MAX_MODELS ; i++)
{
if (!sv.model_precache[i])
{
sv.model_precache[i] = s;
#ifdef UQUAKE
sv.models[i] = Mod_ForName (s, true);
#endif
return;
}
if (!strcmp(sv.model_precache[i], s))
return;
}
PR_RunError ("PF_precache_model: overflow");
}
void PF_coredump (void)
{
ED_PrintEdicts ();
}
void PF_traceon (void)
{
pr_trace = true;
}
void PF_traceoff (void)
{
pr_trace = false;
}
void PF_eprint (void)
{
ED_PrintNum (G_EDICTNUM(OFS_PARM0));
}
/*
===============
PF_walkmove
float(float yaw, float dist) walkmove
===============
*/
void PF_walkmove (void)
{
edict_t *ent;
float yaw, dist;
vec3_t move;
dfunction_t *oldf;
int oldself;
ent = PROG_TO_EDICT(pr_global_struct->self);
yaw = G_FLOAT(OFS_PARM0);
dist = G_FLOAT(OFS_PARM1);
if ( !( (int)ent->v.flags & (FL_ONGROUND|FL_FLY|FL_SWIM) ) )
{
G_FLOAT(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_xfunction;
oldself = pr_global_struct->self;
G_FLOAT(OFS_RETURN) = SV_movestep(ent, move, true);
// restore program state
pr_xfunction = oldf;
pr_global_struct->self = oldself;
}
/*
===============
PF_droptofloor
void() droptofloor
===============
*/
void PF_droptofloor (void)
{
edict_t *ent;
vec3_t end;
trace_t trace;
ent = PROG_TO_EDICT(pr_global_struct->self);
VectorCopy (ent->v.origin, end);
end[2] -= 256;
trace = SV_Move (ent->v.origin, ent->v.mins, ent->v.maxs, end, false, ent);
if (trace.fraction == 1 || trace.allsolid)
G_FLOAT(OFS_RETURN) = 0;
else
{
VectorCopy (trace.endpos, ent->v.origin);
SV_LinkEdict (ent, false);
ent->v.flags = (int)ent->v.flags | FL_ONGROUND;
ent->v.groundentity = EDICT_TO_PROG(trace.ent);
G_FLOAT(OFS_RETURN) = 1;
}
}
/*
===============
PF_lightstyle
void(float style, string value) lightstyle
===============
*/
void PF_lightstyle (void)
{
int style;
char *val;
client_t *client;
int j;
style = G_FLOAT(OFS_PARM0);
val = G_STRING(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;
#ifdef QUAKEWORLD
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);
}
#else
for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
if (client->active || client->spawned)
{
MSG_WriteChar (&client->message, svc_lightstyle);
MSG_WriteChar (&client->message,style);
MSG_WriteString (&client->message, val);
}
#endif
}
void PF_rint (void)
{
float f;
f = G_FLOAT(OFS_PARM0);
if (f > 0)
G_FLOAT(OFS_RETURN) = (int)(f + 0.5);
else
G_FLOAT(OFS_RETURN) = (int)(f - 0.5);
}
void PF_floor (void)
{
G_FLOAT(OFS_RETURN) = floor(G_FLOAT(OFS_PARM0));
}
void PF_ceil (void)
{
G_FLOAT(OFS_RETURN) = ceil(G_FLOAT(OFS_PARM0));
}
/*
=============
PF_checkbottom
=============
*/
void PF_checkbottom (void)
{
edict_t *ent;
ent = G_EDICT(OFS_PARM0);
G_FLOAT(OFS_RETURN) = SV_CheckBottom (ent);
}
/*
=============
PF_pointcontents
=============
*/
void PF_pointcontents (void)
{
float *v;
v = G_VECTOR(OFS_PARM0);
G_FLOAT(OFS_RETURN) = SV_PointContents (v);
}
/*
=============
PF_nextent
entity nextent(entity)
=============
*/
void PF_nextent (void)
{
int i;
edict_t *ent;
i = G_EDICTNUM(OFS_PARM0);
while (1)
{
i++;
if (i == sv.num_edicts)
{
RETURN_EDICT(sv.edicts);
return;
}
ent = EDICT_NUM(i);
if (!ent->free)
{
RETURN_EDICT(ent);
return;
}
}
}
/*
=============
PF_aim
Pick a vector for the player to shoot along
vector aim(entity, missilespeed)
=============
*/
#ifdef QUAKEWORLD
cvar_t sv_aim = {"sv_aim", "2"};
#else
cvar_t sv_aim = {"sv_aim", "0.93"};
#endif
void PF_aim (void)
{
edict_t *ent, *check, *bestent;
vec3_t start, dir, end, bestdir;
int i, j;
trace_t tr;
float dist, bestdist;
float speed;
ent = G_EDICT(OFS_PARM0);
speed = G_FLOAT(OFS_PARM1);
VectorCopy (ent->v.origin, start);
start[2] += 20;
#ifdef QUAKEWORLD
// noaim option
i = NUM_FOR_EDICT(ent);
if (i>0 && i<MAX_CLIENTS)
{
char *noaim;
noaim = Info_ValueForKey (svs.clients[i-1].userinfo, "noaim");
if (atoi(noaim) > 0)
{
VectorCopy (pr_global_struct->v_forward, G_VECTOR(OFS_RETURN));
return;
}
}
#endif
// try sending a trace straight
VectorCopy (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.takedamage == DAMAGE_AIM
&& (!teamplay.value || ent->v.team <=0 || ent->v.team != tr.ent->v.team) )
{
VectorCopy (pr_global_struct->v_forward, G_VECTOR(OFS_RETURN));
return;
}
// try all possible entities
VectorCopy (dir, bestdir);
bestdist = sv_aim.value;
bestent = NULL;
check = NEXT_EDICT(sv.edicts);
for (i=1 ; i<sv.num_edicts ; i++, check = NEXT_EDICT(check) )
{
if (check->v.takedamage != DAMAGE_AIM)
continue;
if (check == ent)
continue;
if (teamplay.value && ent->v.team > 0 && ent->v.team == check->v.team)
continue; // don't aim at teammate
for (j=0 ; j<3 ; j++)
end[j] = check->v.origin[j]
+ 0.5*(check->v.mins[j] + check->v.maxs[j]);
VectorSubtract (end, start, dir);
VectorNormalize (dir);
dist = DotProduct (dir, 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.origin, ent->v.origin, dir);
dist = DotProduct (dir, pr_global_struct->v_forward);
VectorScale (pr_global_struct->v_forward, dist, end);
end[2] = dir[2];
VectorNormalize (end);
VectorCopy (end, G_VECTOR(OFS_RETURN));
}
else
{
VectorCopy (bestdir, G_VECTOR(OFS_RETURN));
}
}
/*
==============
PF_changeyaw
This was a major timewaster in progs, so it was converted to C
==============
*/
void PF_changeyaw (void)
{
edict_t *ent;
float ideal, current, move, speed;
ent = PROG_TO_EDICT(pr_global_struct->self);
current = anglemod( ent->v.angles[1] );
ideal = ent->v.ideal_yaw;
speed = ent->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.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 (void)
{
int dest;
dest = G_FLOAT(OFS_PARM0);
switch (dest)
{
case MSG_BROADCAST:
return &sv.datagram;
case MSG_ONE: {
#ifdef QUAKEWORLD
SV_Error("Shouldn't be at MSG_ONE");
break;
#else
int entnum;
edict_t *ent;
ent = PROG_TO_EDICT(pr_global_struct->msg_entity);
entnum = NUM_FOR_EDICT(ent);
if (entnum < 1 || entnum > svs.maxclients)
PR_RunError ("WriteDest: not a client");
return &svs.clients[entnum-1].message;
#endif
}
case MSG_ALL:
return &sv.reliable_datagram;
case MSG_INIT:
#ifdef QUAKEWORLD
if (sv.state != ss_loading)
PR_RunError ("PF_Write_*: MSG_INIT can only be written in spawn functions");
return &sv.signon;
case MSG_MULTICAST:
return &sv.multicast;
#endif
default:
PR_RunError ("WriteDest: bad destination");
break;
}
return NULL;
}
#ifdef QUAKEWORLD
static client_t *Write_GetClient(void)
{
int entnum;
edict_t *ent;
ent = PROG_TO_EDICT(pr_global_struct->msg_entity);
entnum = NUM_FOR_EDICT(ent);
if (entnum < 1 || entnum > MAX_CLIENTS)
PR_RunError ("WriteDest: not a client");
return &svs.clients[entnum-1];
}
#endif
void PF_WriteByte (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 1);
ClientReliableWrite_Byte(cl, G_FLOAT(OFS_PARM1));
} else
#endif
MSG_WriteByte (WriteDest(), G_FLOAT(OFS_PARM1));
}
void PF_WriteChar (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 1);
ClientReliableWrite_Char(cl, G_FLOAT(OFS_PARM1));
} else
#endif
MSG_WriteChar (WriteDest(), G_FLOAT(OFS_PARM1));
}
void PF_WriteShort (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 2);
ClientReliableWrite_Short(cl, G_FLOAT(OFS_PARM1));
} else
#endif
MSG_WriteShort (WriteDest(), G_FLOAT(OFS_PARM1));
}
void PF_WriteLong (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 4);
ClientReliableWrite_Long(cl, G_FLOAT(OFS_PARM1));
} else
#endif
MSG_WriteLong (WriteDest(), G_FLOAT(OFS_PARM1));
}
void PF_WriteAngle (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 1);
ClientReliableWrite_Angle(cl, G_FLOAT(OFS_PARM1));
} else
#endif
MSG_WriteAngle (WriteDest(), G_FLOAT(OFS_PARM1));
}
void PF_WriteCoord (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 2);
ClientReliableWrite_Coord(cl, G_FLOAT(OFS_PARM1));
} else
#endif
MSG_WriteCoord (WriteDest(), G_FLOAT(OFS_PARM1));
}
void PF_WriteString (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 1+strlen(G_STRING(OFS_PARM1)));
ClientReliableWrite_String(cl, G_STRING(OFS_PARM1));
} else
#endif
MSG_WriteString (WriteDest(), G_STRING(OFS_PARM1));
}
void PF_WriteEntity (void)
{
#ifdef QUAKEWORLD
if (G_FLOAT(OFS_PARM0) == MSG_ONE) {
client_t *cl = Write_GetClient();
ClientReliableCheckBlock(cl, 2);
ClientReliableWrite_Short(cl, G_EDICTNUM(OFS_PARM1));
} else
#endif
MSG_WriteShort (WriteDest(), G_EDICTNUM(OFS_PARM1));
}
//=============================================================================
int SV_ModelIndex (char *name);
void PF_makestatic (void)
{
edict_t *ent;
int i;
ent = G_EDICT(OFS_PARM0);
MSG_WriteByte (&sv.signon,svc_spawnstatic);
MSG_WriteByte (&sv.signon, SV_ModelIndex(PR_GetString(ent->v.model)));
MSG_WriteByte (&sv.signon, ent->v.frame);
MSG_WriteByte (&sv.signon, ent->v.colormap);
MSG_WriteByte (&sv.signon, ent->v.skin);
for (i=0 ; i<3 ; i++)
{
MSG_WriteCoord(&sv.signon, ent->v.origin[i]);
MSG_WriteAngle(&sv.signon, ent->v.angles[i]);
}
// throw the entity away now
ED_Free (ent);
}
//=============================================================================
/*
==============
PF_setspawnparms
==============
*/
void PF_setspawnparms (void)
{
edict_t *ent;
int i;
client_t *client;
ent = G_EDICT(OFS_PARM0);
i = NUM_FOR_EDICT(ent);
#ifdef QUAKEWORLD
if (i < 1 || i > MAX_CLIENTS)
#else
if (i < 1 || i > svs.maxclients)
#endif
PR_RunError ("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_global_struct->parm1)[i] = client->spawn_parms[i];
}
/*
==============
PF_changelevel
==============
*/
void PF_changelevel (void)
{
char *s;
#ifdef QUAKEWORLD
static int last_spawncount;
// make sure we don't issue two changelevels
if (svs.spawncount == last_spawncount)
return;
last_spawncount = svs.spawncount;
#else
if (svs.changelevel_issued)
return;
svs.changelevel_issued = true;
#endif
s = G_STRING(OFS_PARM0);
#ifdef QUAKEWORLD
Cbuf_AddText (va("map %s\n",s));
#else
Cbuf_AddText (va("changelevel %s\n",s));
#endif
}
#ifdef QUAKEWORLD
/*
==============
PF_logfrag
logfrag (killer, killee)
==============
*/
void PF_logfrag (void)
{
edict_t *ent1, *ent2;
int e1, e2;
char *s;
ent1 = G_EDICT(OFS_PARM0);
ent2 = G_EDICT(OFS_PARM1);
e1 = NUM_FOR_EDICT(ent1);
e2 = NUM_FOR_EDICT(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) {
fprintf (sv_fraglogfile, s);
fflush (sv_fraglogfile);
}
}
/*
==============
PF_infokey
string(entity e, string key) infokey
==============
*/
void PF_infokey (void)
{
edict_t *e;
int e1;
char *value;
char *key;
static char ov[256];
e = G_EDICT(OFS_PARM0);
e1 = NUM_FOR_EDICT(e);
key = G_STRING(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")) {
snprintf(ov, sizeof(ov), "%d", svs.clients[e1-1].ping);
value = ov;
} else
value = Info_ValueForKey (svs.clients[e1-1].userinfo, key);
} else
value = "";
RETURN_STRING(value);
}
/*
==============
PF_stof
float(string s) stof
==============
*/
void PF_stof (void)
{
char *s;
s = G_STRING(OFS_PARM0);
G_FLOAT(OFS_RETURN) = atof(s);
}
/*
==============
PF_multicast
void(vector where, float set) multicast
==============
*/
void PF_multicast (void)
{
float *o;
int to;
o = G_VECTOR(OFS_PARM0);
to = G_FLOAT(OFS_PARM1);
SV_Multicast (o, to);
}
#endif /* QUAKEWORLD */
void PF_Fixme (void)
{
PR_RunError ("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,
#ifdef QUAKEWORLD
PF_Fixme,
#else
PF_particle,
#endif
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
#ifdef QUAKEWORLD
,
PF_logfrag,
PF_infokey,
PF_stof,
PF_multicast
#endif
};
builtin_t *pr_builtins = pr_builtin;
int pr_numbuiltins = sizeof(pr_builtin)/sizeof(pr_builtin[0]);
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