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libretro-tyrquake/NQ/pr_cmds.c
Kevin Shanahan acfc75321e model: remove gl_model.h and use model.h everywhere 
Gets rid of a bunch of conditionals throughout the .c files as well.

Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
2012-11-19 13:22:30 +10:30

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/*
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <float.h>
#include "cmd.h"
#include "console.h"
#include "host.h"
#include "model.h"
#include "progs.h"
#include "protocol.h"
#include "quakedef.h"
#include "server.h"
#include "sys.h"
#include "world.h"
#define RETURN_EDICT(e) (((int *)pr_globals)[OFS_RETURN] = EDICT_TO_PROG(e))
/*
===============================================================================
BUILT-IN FUNCTIONS
===============================================================================
*/
static char *
PF_VarString(int first)
{
int i, len = 0;
static char out[512];
char *arg;
out[0] = 0;
for (i = first; i < pr_argc; i++) {
arg = G_STRING((OFS_PARM0 + i * 3));
len += strlen(arg);
if (len > 511) {
Con_DPrintf("%s: overflow (string truncated)\n", __func__);
break;
}
strcat(out, arg);
}
return out;
}
/*
=================
PF_errror
This is a TERMINAL error, which will kill off the entire server.
Dumps self.
error(value)
=================
*/
static 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);
Host_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)
=================
*/
static 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);
Host_Error("Program error");
}
/*
==============
PF_makevectors
Writes new values for v_forward, v_up, and v_right based on angles
makevectors(vector)
==============
*/
static 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)
=================
*/
static 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);
}
static 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] = FLT_MAX;
rmax[0] = rmax[1] = rmax[2] = -FLT_MAX;
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)
=================
*/
static 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);
SetMinMaxSize(e, min, max, false);
}
/*
=================
PF_setmodel
setmodel(entity, model)
=================
*/
static void
PF_setmodel(void)
{
edict_t *e;
char *m, **check;
model_t *mod;
int i;
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; //SV_ModelIndex (m);
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);
}
/*
=================
PF_bprint
broadcast print to everyone on server
bprint(value)
=================
*/
static void
PF_bprint(void)
{
char *s;
s = PF_VarString(0);
SV_BroadcastPrintf("%s", s);
}
/*
=================
PF_sprint
single print to a specific client
sprint(clientent, value)
=================
*/
static void
PF_sprint(void)
{
char *s;
client_t *client;
int entnum;
entnum = G_EDICTNUM(OFS_PARM0);
s = PF_VarString(1);
if (entnum < 1 || entnum > svs.maxclients) {
Con_Printf("tried to sprint to a non-client\n");
return;
}
client = &svs.clients[entnum - 1];
MSG_WriteChar(&client->message, svc_print);
MSG_WriteString(&client->message, s);
}
/*
=================
PF_centerprint
single print to a specific client
centerprint(clientent, value)
=================
*/
static void
PF_centerprint(void)
{
char *s;
client_t *client;
int entnum;
entnum = G_EDICTNUM(OFS_PARM0);
s = PF_VarString(1);
if (entnum < 1 || entnum > svs.maxclients) {
Con_Printf("tried to sprint to a non-client\n");
return;
}
client = &svs.clients[entnum - 1];
MSG_WriteChar(&client->message, svc_centerprint);
MSG_WriteString(&client->message, s);
}
/*
=================
PF_normalize
vector normalize(vector)
=================
*/
static 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)
=================
*/
static 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)
=================
*/
static 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)
=================
*/
static 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()
=================
*/
static void
PF_random(void)
{
float num;
num = (rand() & 0x7fff) / ((float)0x7fff);
G_FLOAT(OFS_RETURN) = num;
}
/*
=================
PF_particle
particle(origin, color, count)
=================
*/
static 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);
}
static void
PF_WriteSoundNum_Static(sizebuf_t *sb, int c)
{
switch (sv.protocol) {
case PROTOCOL_VERSION_NQ:
case PROTOCOL_VERSION_BJP:
case PROTOCOL_VERSION_BJP3:
MSG_WriteByte(sb, c);
break;
case PROTOCOL_VERSION_BJP2:
MSG_WriteShort(sb, c);
break;
default:
Host_Error("%s: Unknown protocol version (%d)\n", __func__,
sv.protocol);
}
}
/*
=================
PF_ambientsound
=================
*/
static 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]);
PF_WriteSoundNum_Static(&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.
=================
*/
static 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);
if (volume < 0 || volume > 255)
Sys_Error("%s: volume = %i", __func__, volume);
if (attenuation < 0 || attenuation > 4)
Sys_Error("%s: attenuation = %f", __func__, attenuation);
if (channel < 0 || channel > 7)
Sys_Error("%s: channel = %i", __func__, channel);
SV_StartSound(entity, channel, sample, volume, attenuation);
}
/*
=================
PF_break
break()
=================
*/
static 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)
=================
*/
static 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);
}
//============================================================================
static byte checkpvs[MAX_MAP_LEAFS / 8];
static 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;
if (check > svs.maxclients)
check = svs.maxclients;
if (check == svs.maxclients)
i = 1;
else
i = check + 1;
for (;; i++) {
if (i == svs.maxclients + 1)
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
static int c_invis, c_notvis;
static 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)
=================
*/
static void
PF_stuffcmd(void)
{
int entnum;
char *str;
client_t *old;
entnum = G_EDICTNUM(OFS_PARM0);
if (entnum < 1 || entnum > svs.maxclients)
PR_RunError("Parm 0 not a client");
str = G_STRING(OFS_PARM1);
old = host_client;
host_client = &svs.clients[entnum - 1];
Host_ClientCommands("%s", str);
host_client = old;
}
/*
=================
PF_localcmd
Sends text over to the client's execution buffer
localcmd (string)
=================
*/
static void
PF_localcmd(void)
{
char *str;
str = G_STRING(OFS_PARM0);
Cbuf_AddText(str);
}
/*
=================
PF_cvar
float cvar (string)
=================
*/
static void
PF_cvar(void)
{
char *str;
str = G_STRING(OFS_PARM0);
G_FLOAT(OFS_RETURN) = Cvar_VariableValue(str);
}
/*
=================
PF_cvar_set
float cvar (string)
=================
*/
static 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)
=================
*/
static 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
=========
*/
static void
PF_dprint(void)
{
Con_DPrintf("%s", PF_VarString(0));
}
static char pr_string_temp[128];
static void
PF_ftos(void)
{
float v;
v = G_FLOAT(OFS_PARM0);
if (v == (int)v)
sprintf(pr_string_temp, "%d", (int)v);
else
sprintf(pr_string_temp, "%5.1f", v);
G_INT(OFS_RETURN) = PR_SetString(pr_string_temp);
}
static void
PF_fabs(void)
{
float v;
v = G_FLOAT(OFS_PARM0);
G_FLOAT(OFS_RETURN) = fabs(v);
}
static void
PF_vtos(void)
{
sprintf(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);
}
static void
PF_Spawn(void)
{
edict_t *ed;
ed = ED_Alloc();
RETURN_EDICT(ed);
}
static void
PF_Remove(void)
{
edict_t *ed;
ed = G_EDICT(OFS_PARM0);
ED_Free(ed);
}
// entity (entity start, .string field, string match) find = #5;
static 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);
}
static void
PR_CheckEmptyString(char *s)
{
if (s[0] <= ' ')
PR_RunError("Bad string");
}
static 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);
}
static 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(sv.protocol); i++) {
if (!sv.sound_precache[i]) {
sv.sound_precache[i] = s;
return;
}
if (!strcmp(sv.sound_precache[i], s))
return;
}
PR_RunError("%s: overflow (max = %d)", __func__, max_sounds(sv.protocol));
}
static void
PF_precache_model(void)
{
char *s;
int i;
if (sv.state != ss_loading)
PR_RunError("%s: Precache can only be done in spawn functions",
__func__);
s = G_STRING(OFS_PARM0);
G_INT(OFS_RETURN) = G_INT(OFS_PARM0);
PR_CheckEmptyString(s);
for (i = 0; i < max_models(sv.protocol); i++) {
if (!sv.model_precache[i]) {
sv.model_precache[i] = s;
sv.models[i] = Mod_ForName(s, true);
return;
}
if (!strcmp(sv.model_precache[i], s))
return;
}
PR_RunError("%s: overflow (max = %d)", __func__, max_models(sv.protocol));
}
static void
PF_coredump(void)
{
ED_PrintEdicts();
}
static void
PF_traceon(void)
{
pr_trace = true;
}
static void
PF_traceoff(void)
{
pr_trace = false;
}
static void
PF_eprint(void)
{
ED_PrintNum(G_EDICTNUM(OFS_PARM0));
}
/*
===============
PF_walkmove
float(float yaw, float dist) walkmove
===============
*/
static 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
===============
*/
static 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
===============
*/
static 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;
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);
}
}
static 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);
}
static void
PF_floor(void)
{
G_FLOAT(OFS_RETURN) = floor(G_FLOAT(OFS_PARM0));
}
static void
PF_ceil(void)
{
G_FLOAT(OFS_RETURN) = ceil(G_FLOAT(OFS_PARM0));
}
/*
=============
PF_checkbottom
=============
*/
static void
PF_checkbottom(void)
{
edict_t *ent;
ent = G_EDICT(OFS_PARM0);
G_FLOAT(OFS_RETURN) = SV_CheckBottom(ent);
}
/*
=============
PF_pointcontents
=============
*/
static void
PF_pointcontents(void)
{
float *v;
v = G_VECTOR(OFS_PARM0);
G_FLOAT(OFS_RETURN) = SV_PointContents(v);
}
/*
=============
PF_nextent
entity nextent(entity)
=============
*/
static 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)
=============
*/
cvar_t sv_aim = { "sv_aim", "0.93" };
static void
PF_aim(void)
{
edict_t *ent, *check, *bestent;
vec3_t start, dir, end, bestdir;
int i, j;
trace_t tr;
float dist, bestdist;
/* NOTE: missilespeed parameter is ignored */
//float speed;
ent = G_EDICT(OFS_PARM0);
//speed = G_FLOAT(OFS_PARM1);
VectorCopy(ent->v.origin, start);
start[2] += 20;
// 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 */
static sizebuf_t *
WriteDest(void)
{
int entnum;
int dest;
edict_t *ent;
dest = G_FLOAT(OFS_PARM0);
switch (dest) {
case MSG_BROADCAST:
return &sv.datagram;
case MSG_ONE:
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;
case MSG_ALL:
return &sv.reliable_datagram;
case MSG_INIT:
return &sv.signon;
default:
PR_RunError("WriteDest: bad destination");
break;
}
return NULL;
}
static void
PF_WriteByte(void)
{
MSG_WriteByte(WriteDest(), G_FLOAT(OFS_PARM1));
}
static void
PF_WriteChar(void)
{
MSG_WriteChar(WriteDest(), G_FLOAT(OFS_PARM1));
}
static void
PF_WriteShort(void)
{
MSG_WriteShort(WriteDest(), G_FLOAT(OFS_PARM1));
}
static void
PF_WriteLong(void)
{
MSG_WriteLong(WriteDest(), G_FLOAT(OFS_PARM1));
}
static void
PF_WriteAngle(void)
{
MSG_WriteAngle(WriteDest(), G_FLOAT(OFS_PARM1));
}
static void
PF_WriteCoord(void)
{
MSG_WriteCoord(WriteDest(), G_FLOAT(OFS_PARM1));
}
static void
PF_WriteString(void)
{
MSG_WriteString(WriteDest(), G_STRING(OFS_PARM1));
}
static void
PF_WriteEntity(void)
{
MSG_WriteShort(WriteDest(), G_EDICTNUM(OFS_PARM1));
}
//=============================================================================
static void
PF_makestatic(void)
{
edict_t *ent;
int i;
ent = G_EDICT(OFS_PARM0);
MSG_WriteByte(&sv.signon, svc_spawnstatic);
SV_WriteModelIndex(&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
==============
*/
static void
PF_setspawnparms(void)
{
edict_t *ent;
int i;
client_t *client;
ent = G_EDICT(OFS_PARM0);
i = NUM_FOR_EDICT(ent);
if (i < 1 || i > svs.maxclients)
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
==============
*/
static void
PF_changelevel(void)
{
char *s;
/* make sure we don't issue two changelevels */
if (svs.changelevel_issued)
return;
svs.changelevel_issued = true;
s = G_STRING(OFS_PARM0);
Cbuf_AddText(va("changelevel %s\n", s));
}
static 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,
PF_particle,
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
};
builtin_t *pr_builtins = pr_builtin;
int pr_numbuiltins = sizeof(pr_builtin) / sizeof(pr_builtin[0]);
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