ref: 645a201fa018760137aecadb2ab4a7f779a566c8
dir: /pr_cmds.c/
#include "quakedef.h" #define RETURN_EDICT(pr, e) (((int *)pr->globals)[OFS_RETURN] = EDICT_TO_PROG(pr, e)) /* =============================================================================== BUILT-IN FUNCTIONS =============================================================================== */ static char * PF_VarString(pr_t *pr, int first) { int i; static char out[256]; out[0] = 0; for (i=first ; i<pr->argc ; i++) { strcat (out, G_STRING(pr, (OFS_PARM0+i*3))); } return out; } /* ================= PF_errror This is a TERMINAL error, which will kill off the entire server. Dumps self. error(value) ================= */ static void PF_error(pr_t *pr) { char *s; edict_t *ed; s = PF_VarString(pr, 0); Con_Printf ("======SERVER ERROR in %s:\n%s\n", PR_Str(pr, pr->xfunction->s_name),s); ed = PROG_TO_EDICT(pr, pr->global_struct->self); ED_Print (pr, 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(pr_t *pr) { char *s; edict_t *ed; s = PF_VarString(pr, 0); Con_Printf ("======OBJECT ERROR in %s:\n%s\n", PR_Str(pr, pr->xfunction->s_name),s); ed = PROG_TO_EDICT(pr, pr->global_struct->self); ED_Print (pr, 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(pr_t *pr) { AngleVectors (G_VECTOR(pr, 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(pr_t *pr) { edict_t *e; float *org; e = G_EDICT(pr, OFS_PARM0); org = G_VECTOR(pr, OFS_PARM1); VectorCopy (org, e->v.origin); SV_LinkEdict (e, false); } static void SetMinMaxSize(pr_t *pr, edict_t *e, float *min, float *max, bool 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 (pr, "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] = cosf(a); xvector[1] = sinf(a); yvector[0] = -sinf(a); yvector[1] = cosf(a); VectorCopy (min, bounds[0]); VectorCopy (max, bounds[1]); rmin[0] = rmin[1] = rmin[2] = Q_MAXFLOAT; rmax[0] = rmax[1] = rmax[2] = -Q_MAXFLOAT; 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(pr_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); SetMinMaxSize (pr, e, min, max, false); } /* ================= PF_setmodel setmodel(entity, model) ================= */ static void PF_setmodel(pr_t *pr) { edict_t *e; char *m, **check; model_t *mod; int i; 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.model = PR_SetStr(pr, m); e->v.modelindex = i; //SV_ModelIndex (m); mod = sv.models[ (int)e->v.modelindex]; // Mod_ForName (m, true); if(!mod) SetMinMaxSize (pr, e, vec3_origin, vec3_origin, true); else SetMinMaxSize (pr, e, mod->mins, mod->maxs, true); } /* ================= PF_bprint broadcast print to everyone on server bprint(value) ================= */ static void PF_bprint(pr_t *pr) { char *s; s = PF_VarString(pr, 0); SV_BroadcastPrintf ("%s", s); } /* ================= PF_sprint single print to a specific client sprint(clientent, value) ================= */ static void PF_sprint(pr_t *pr) { char *s; client_t *client; int entnum; entnum = G_EDICTNUM(pr, OFS_PARM0); s = PF_VarString(pr, 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(pr_t *pr) { char *s; client_t *client; int entnum; entnum = G_EDICTNUM(pr, OFS_PARM0); s = PF_VarString(pr, 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(pr_t *pr) { float *v; vec3_t newvalue; double ln, a, b, c; v = G_VECTOR(pr, OFS_PARM0); a = v[0]; b = v[1]; c = v[2]; ln = sqrtf(a*a + b*b + c*c); if(ln == 0) newvalue[0] = newvalue[1] = newvalue[2] = 0; else{ newvalue[0] = a / ln; newvalue[1] = b / ln; newvalue[2] = c / ln; } VectorCopy(newvalue, G_VECTOR(pr, OFS_RETURN)); } /* ================= PF_vlen scalar vlen(vector) ================= */ static void PF_vlen(pr_t *pr) { float *v; double a, b, c; v = G_VECTOR(pr, OFS_PARM0); a = v[0]; b = v[1]; c = v[2]; G_FLOAT(pr, OFS_RETURN) = sqrtf(a*a + b*b + c*c); } /* ================= PF_vectoyaw float vectoyaw(vector) ================= */ static void PF_vectoyaw(pr_t *pr) { float *value1; float yaw; value1 = G_VECTOR(pr, OFS_PARM0); if (value1[1] == 0 && value1[0] == 0) yaw = 0; else { yaw = atan2f(value1[1], value1[0]) * 180.0 / M_PI; if (yaw < 0) yaw += 360; } G_FLOAT(pr, OFS_RETURN) = yaw; } /* ================= PF_vectoangles vector vectoangles(vector) ================= */ static void PF_vectoangles(pr_t *pr) { float *value1; double forward; double 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 = atan2f(value1[1], value1[0]) * 180.0 / M_PI; if (yaw < 0) yaw += 360; forward = sqrtf(value1[0]*value1[0] + value1[1]*value1[1]); pitch = atan2f(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() ================= */ static void PF_random(pr_t *pr) { static double xmax; static long xand; if(xand == 0){ if((RAND_MAX & ((unsigned)RAND_MAX+1)) == 0){ xmax = (unsigned)RAND_MAX+1; xand = RAND_MAX; }else{ xmax = 0x8000; xand = 0x7fff; } } G_FLOAT(pr, OFS_RETURN) = ((double)(rand() & xand) + 0.5) / xmax; } /* ================= PF_particle particle(origin, color, count) ================= */ static void PF_particle(pr_t *pr) { float *org, *dir; float color; float count; org = G_VECTOR(pr, OFS_PARM0); dir = G_VECTOR(pr, OFS_PARM1); color = G_FLOAT(pr, OFS_PARM2); count = G_FLOAT(pr, OFS_PARM3); SV_StartParticle (org, dir, color, count); } /* ================= PF_ambientsound ================= */ static void PF_ambientsound(pr_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 if(soundnum >= sv.protocol->limit_sound) return; SV_SignonFrame(); MSG_WriteByte( sv.signon, soundnum < sv.protocol->large_sound ? svc_spawnstaticsound : svc_spawnstaticsound2 ); for (i=0 ; i<3 ; i++) sv.protocol->MSG_WriteCoord(sv.signon, pos[i]); (soundnum < sv.protocol->large_sound ? MSG_WriteByte : MSG_WriteShort)(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. ================= */ static void PF_sound(pr_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); if (volume < 0 || volume > 255) fatal ("SV_StartSound: volume = %d", volume); if (attenuation < 0 || attenuation > 4) fatal ("SV_StartSound: attenuation = %f", attenuation); if (channel < 0 || channel > 7) fatal ("SV_StartSound: channel = %d", channel); SV_StartSound (entity, channel, sample, volume, attenuation); } /* ================= PF_break break() ================= */ static void PF_break(pr_t *pr) { USED(pr); Con_Printf("break statement\n"); assert(nil); // 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) ================= */ static void PF_traceline(pr_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->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(pr, trace.ent); else pr->global_struct->trace_ent = EDICT_TO_PROG(pr, pr->edicts); } //============================================================================ static byte *checkpvs; static int checkpvs_size; static int PF_newcheckclient(pr_t *pr, int check) { int i, size; 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(pr, 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, &size); if(checkpvs == nil || size > checkpvs_size){ checkpvs = realloc(checkpvs, size); checkpvs_size = size; } memcpy (checkpvs, pvs, size); 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 void PF_checkclient(pr_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.health <= 0) { RETURN_EDICT(pr, pr->edicts); return; } // if current entity can't possibly see the check entity, return 0 self = PROG_TO_EDICT(pr, 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)) ) ) { RETURN_EDICT(pr, pr->edicts); return; } // might be able to see it RETURN_EDICT(pr, ent); } //============================================================================ /* ================= PF_stuffcmd Sends text over to the client's execution buffer stuffcmd (clientent, value) ================= */ static void PF_stuffcmd(pr_t *pr) { int entnum; char *str; client_t *old; entnum = G_EDICTNUM(pr, OFS_PARM0); if (entnum < 1 || entnum > svs.maxclients) PR_RunError (pr, "Parm 0 not a client"); str = G_STRING(pr, 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(pr_t *pr) { char *str; str = G_STRING(pr, OFS_PARM0); Cbuf_AddText (str); } /* ================= PF_cvar float cvar (string) ================= */ static void PF_cvar(pr_t *pr) { char *str; str = G_STRING(pr, OFS_PARM0); G_FLOAT(pr, OFS_RETURN) = Cvar_VariableValue (str); } /* ================= PF_cvar_set float cvar (string) ================= */ static void PF_cvar_set(pr_t *pr) { char *var, *val; var = G_STRING(pr, OFS_PARM0); val = G_STRING(pr, OFS_PARM1); setcvar (var, val); } /* ================= PF_findradius Returns a chain of entities that have origins within a spherical area findradius (origin, radius) ================= */ static void PF_findradius(pr_t *pr) { edict_t *ent, *chain; float rad; float *org; vec3_t eorg; int i, j; chain = (edict_t *)pr->edicts; org = G_VECTOR(pr, OFS_PARM0); rad = G_FLOAT(pr, OFS_PARM1); ent = NEXT_EDICT(pr, pr->edicts); for (i=1 ; i<pr->num_edicts ; i++, ent = NEXT_EDICT(pr, 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(pr, chain); chain = ent; } RETURN_EDICT(pr, chain); } static void PF_dprint(pr_t *pr) { Con_DPrintf("%s", PF_VarString(pr, 0)); } static void PF_ftos(pr_t *pr) { float v; char *s; v = G_FLOAT(pr, OFS_PARM0); s = PR_StrTmp(pr); if (v == (int)v) sprint (s, "%d",(int)v); else sprint (s, "%f",v); G_INT(pr, OFS_RETURN) = PR_SetStr(pr, s); } static void PF_fabs(pr_t *pr) { float v; v = G_FLOAT(pr, OFS_PARM0); G_FLOAT(pr, OFS_RETURN) = fabs(v); } static void PF_vtos(pr_t *pr) { char *s; s = PR_StrTmp(pr); sprint (s, "'%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_SetStr(pr, s); } static void PF_Spawn(pr_t *pr) { edict_t *ed; ed = ED_Alloc(pr); RETURN_EDICT(pr, ed); } static void PF_Remove(pr_t *pr) { edict_t *ed; ed = G_EDICT(pr, OFS_PARM0); ED_Free (ed); } // entity (entity start, .string field, string match) find = #5; static void PF_find(pr_t *pr) { int e; int f; char *s, *t; edict_t *ed; ddef_t *def; 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"); if((def = ED_FieldAtOfs(pr, f)) == nil) PR_RunError(pr, "PF_find: invalid field offset %d", f); USED(def); // FIXME(sigrid): apparently this is common //if(def->type != ev_string) // Con_DPrintf("PF_find: not a string field: %s", PR_Str(pr, def->s_name)); for (e++ ; e < pr->num_edicts ; e++) { ed = EDICT_NUM(pr, e); if (ed->free) continue; t = E_STRING(pr, ed, f); if (t == nil) t = ""; if(!strcmp(t, s)){ RETURN_EDICT(pr, ed); return; } } RETURN_EDICT(pr, pr->edicts); } static void PR_CheckEmptyString(pr_t *pr, char *s) { if (s[0] <= ' ') PR_RunError (pr, "Bad string"); } static bool CloseEnough(edict_t *ent, edict_t *goal, float dist) { int i; for (i=0 ; i<3 ; i++) { if (goal->v.absmin[i] > ent->v.absmax[i] + dist) return false; if (goal->v.absmax[i] < ent->v.absmin[i] - dist) return false; } return true; } bool SV_StepDirection (edict_t *ent, float yaw, float dist); void SV_NewChaseDir (edict_t *actor, edict_t *enemy, float dist); static void PF_MoveToGoal(pr_t *pr) { edict_t *ent, *goal; float dist; ent = PROG_TO_EDICT(pr, pr->global_struct->self); goal = PROG_TO_EDICT(pr, ent->v.goalentity); dist = G_FLOAT(pr, OFS_PARM0); if ( !( (int)ent->v.flags & (FL_ONGROUND|FL_FLY|FL_SWIM) ) ) { G_FLOAT(pr, OFS_RETURN) = 0; return; } // if the next step hits the enemy, return immediately if ( PROG_TO_EDICT(pr, ent->v.enemy) != pr->edicts && CloseEnough (ent, goal, dist) ) return; // bump around... if ( (rand()&3)==1 || !SV_StepDirection (ent, ent->v.ideal_yaw, dist)) { SV_NewChaseDir (ent, goal, dist); } } static void PF_precache_file(pr_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); } static void PF_precache_sound(pr_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"); } static void PF_precache_model(pr_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; sv.models[i] = Mod_ForName (s, true); return; } if (!strcmp(sv.model_precache[i], s)) return; } PR_RunError (pr,"PF_precache_model: overflow"); } static void PF_coredump(pr_t *pr) { // FIXME(sigrid): needs to be pr-specific USED(pr); ED_PrintEdicts(); } static void PF_traceon(pr_t *pr) { pr->trace = true; } static void PF_traceoff(pr_t *pr) { pr->trace = false; } static void PF_eprint(pr_t *pr) { ED_PrintNum(pr, G_EDICTNUM(pr, OFS_PARM0)); } /* =============== PF_walkmove float(float yaw, float dist) walkmove =============== */ static void PF_walkmove(pr_t *pr) { edict_t *ent; float yaw, dist; vec3_t move; dfunction_t *oldf; int oldself; ent = PROG_TO_EDICT(pr, pr->global_struct->self); yaw = G_FLOAT(pr, OFS_PARM0); dist = G_FLOAT(pr, OFS_PARM1); if ( !( (int)ent->v.flags & (FL_ONGROUND|FL_FLY|FL_SWIM) ) ) { G_FLOAT(pr, OFS_RETURN) = 0; return; } yaw = yaw*M_PI*2 / 360; move[0] = cosf(yaw)*dist; move[1] = sinf(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(pr, 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(pr_t *pr) { edict_t *ent; vec3_t end; trace_t trace; ent = PROG_TO_EDICT(pr, 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(pr, 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(pr, trace.ent); G_FLOAT(pr, OFS_RETURN) = 1; } } /* =============== PF_lightstyle void(float style, string value) lightstyle =============== */ static void PF_lightstyle(pr_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<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(pr_t *pr) { float f; f = G_FLOAT(pr, OFS_PARM0); G_FLOAT(pr, OFS_RETURN) = Qrint(f); } static void PF_floor(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = floorf(G_FLOAT(pr, OFS_PARM0)); } static void PF_ceil(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = ceilf(G_FLOAT(pr, OFS_PARM0)); } /* ============= PF_checkbottom ============= */ static void PF_checkbottom(pr_t *pr) { edict_t *ent; ent = G_EDICT(pr, OFS_PARM0); G_FLOAT(pr, OFS_RETURN) = SV_CheckBottom (ent); } /* ============= PF_pointcontents ============= */ static void PF_pointcontents(pr_t *pr) { float *v; v = G_VECTOR(pr, OFS_PARM0); G_FLOAT(pr, OFS_RETURN) = SV_PointContents (v); } /* ============= PF_nextent entity nextent(entity) ============= */ static void PF_nextent(pr_t *pr) { int i; edict_t *ent; i = G_EDICTNUM(pr, OFS_PARM0); while (1) { i++; if (i == pr->num_edicts) { RETURN_EDICT(pr, pr->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 = {"sv_aim", "0.93"}; static void PF_aim(pr_t *pr) { edict_t *ent, *check, *bestent; vec3_t start, dir, end, bestdir; int i, j; trace_t tr; float dist, bestdist; ent = G_EDICT(pr, OFS_PARM0); 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(pr, OFS_RETURN)); return; } // try all possible entities VectorCopy (dir, bestdir); bestdist = sv_aim.value; bestent = nil; check = NEXT_EDICT(pr, pr->edicts); for (i=1 ; i<pr->num_edicts ; i++, check = NEXT_EDICT(pr, 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(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(pr_t *pr) { edict_t *ent; float ideal, current, move, speed; ent = PROG_TO_EDICT(pr, 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(pr_t *pr) { int entnum; int dest; edict_t *ent; dest = G_FLOAT(pr, OFS_PARM0); switch (dest) { case MSG_BROADCAST: return &sv.datagram; case MSG_ONE: ent = PROG_TO_EDICT(pr, pr->global_struct->msg_entity); entnum = NUM_FOR_EDICT(pr, ent); if (entnum < 1 || entnum > svs.maxclients) PR_RunError (pr, "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 (pr, "WriteDest: bad destination"); break; } return nil; } static void PF_WriteByte(pr_t *pr) { MSG_WriteByte (WriteDest(pr), G_FLOAT(pr, OFS_PARM1)); } static void PF_WriteChar(pr_t *pr) { MSG_WriteChar (WriteDest(pr), G_FLOAT(pr, OFS_PARM1)); } static void PF_WriteShort(pr_t *pr) { MSG_WriteShort (WriteDest(pr), G_FLOAT(pr, OFS_PARM1)); } static void PF_WriteLong(pr_t *pr) { MSG_WriteLong (WriteDest(pr), G_FLOAT(pr, OFS_PARM1)); } static void PF_WriteAngle(pr_t *pr) { sv.protocol->MSG_WriteAngle (WriteDest(pr), G_FLOAT(pr, OFS_PARM1)); } static void PF_WriteCoord(pr_t *pr) { sv.protocol->MSG_WriteCoord (WriteDest(pr), G_FLOAT(pr, OFS_PARM1)); } static void PF_WriteString(pr_t *pr) { MSG_WriteString (WriteDest(pr), G_STRING(pr, OFS_PARM1)); } static void PF_WriteEntity(pr_t *pr) { MSG_WriteShort (WriteDest(pr), G_EDICTNUM(pr, OFS_PARM1)); } //============================================================================= int SV_ModelIndex (char *name); static void PF_makestatic(pr_t *pr) { edict_t *ent; int i, model, frame, bits; ent = G_EDICT(pr, OFS_PARM0); model = SV_ModelIndex(PR_Str(pr, ent->v.model)); frame = ent->v.frame; bits = 0; if(model >= sv.protocol->limit_model) return; // yikes. else if(model >= sv.protocol->large_model) bits |= sv.protocol->fl_large_baseline_model; if(frame >= sv.protocol->limit_frame) frame = 0; // yikes. else if(frame >= sv.protocol->large_frame) bits |= sv.protocol->fl_large_baseline_frame; if(zeroalpha(ent->alpha)){ ED_Free(ent); return; } if(!defalpha(ent->alpha)) bits |= sv.protocol->fl_baseline_alpha; if(((int)ent->v.effects & 0xff) != 0) bits |= sv.protocol->fl_baseline_effects; SV_SignonFrame(); MSG_WriteByte(sv.signon, bits ? svc_spawnstatic2 : svc_spawnstatic); if(bits) MSG_WriteByte(sv.signon, bits); ((bits & sv.protocol->fl_large_baseline_model) ? MSG_WriteShort : MSG_WriteByte) (sv.signon, model); ((bits & sv.protocol->fl_large_baseline_frame) ? MSG_WriteShort : MSG_WriteByte) (sv.signon, frame); MSG_WriteByte(sv.signon, ent->v.colormap); MSG_WriteByte(sv.signon, ent->v.skin); for (i=0 ; i<3 ; i++) { sv.protocol->MSG_WriteCoord(sv.signon, ent->v.origin[i]); sv.protocol->MSG_WriteAngle(sv.signon, ent->v.angles[i]); } if(bits & sv.protocol->fl_baseline_alpha) MSG_WriteByte(sv.signon, ent->alpha); if(bits & sv.protocol->fl_baseline_effects) MSG_WriteByte(sv.signon, ent->v.effects); // throw the entity away now ED_Free(ent); } //============================================================================= /* ============== PF_setspawnparms ============== */ static void PF_setspawnparms(pr_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 > svs.maxclients) 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< Nparms ; i++) (&pr->global_struct->parm1)[i] = client->spawn_parms[i]; } /* ============== PF_changelevel ============== */ static void PF_changelevel(pr_t *pr) { char *s; // make sure we don't issue two changelevels if (svs.changelevel_issued) return; svs.changelevel_issued = true; s = G_STRING(pr, OFS_PARM0); Cbuf_AddText (va("changelevel %s\n",s)); } static void PF_Fixme(pr_t *pr) { PR_RunError (pr, "unimplemented builtin"); } static const char *exts[] = { "DP_EF_ADDITIVE", "DP_EF_NODRAW", "DP_QC_ASINACOSATANATAN2TAN", "DP_QC_MINMAXBOUND", "DP_QC_SINCOSSQRTPOW", "DP_QC_TOKENIZE_CONSOLE", /* FIXME(sigrid): not really; see somewhere below */ "KRIMZON_SV_PARSECLIENTCOMMAND", }; static void PF_sinf(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = sinf(G_FLOAT(pr, OFS_PARM0)); } static void PF_cosf(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = cosf(G_FLOAT(pr, OFS_PARM0)); } static void PF_sqrtf(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = sqrtf(G_FLOAT(pr, OFS_PARM0)); } static void PF_min(pr_t *pr) { float v = Q_MAXFLOAT, n; int i; for(i = 0; i < pr->argc; i++){ if(v > (n = G_FLOAT(pr, OFS_PARM0 + i*3))) v = n; } G_FLOAT(pr, OFS_RETURN) = v; } static void PF_max(pr_t *pr) { float v = Q_MINFLOAT, n; int i; for(i = 0; i < pr->argc; i++){ if(v < (n = G_FLOAT(pr, OFS_PARM0 + i*3))) v = n; } G_FLOAT(pr, OFS_RETURN) = v; } static void PF_bound(pr_t *pr) { float l = G_FLOAT(pr, OFS_PARM0); float v = G_FLOAT(pr, OFS_PARM1); float r = G_FLOAT(pr, OFS_PARM2); G_FLOAT(pr, OFS_RETURN) = clamp(v, l, r); } static void PF_pow(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = pow(G_FLOAT(pr, OFS_PARM0), G_FLOAT(pr, OFS_PARM1)); } static void PF_checkextension(pr_t *pr) { const char *ext = G_STRING(pr, OFS_PARM0); int i; G_FLOAT(pr, OFS_RETURN) = false; Con_DPrintf("checking extension %s\n", ext); for(i = 0; i < nelem(exts); i++){ if(strcmp(ext, exts[i]) == 0){ G_FLOAT(pr, OFS_RETURN) = true; break; } } } static void PF_clientstat(pr_t *pr) { // FIXME // Arcane Dimensions will fall off if this one isn't defined // even though it does *not* check for the extension USED(pr); } static void PF_clientcommand(pr_t *pr) { client_t *tmp; edict_t *e; char *cmd; int n; if(!pr->parse_cl_command.in_callback){ Con_DPrintf("clientcommand(...) outside of SV_ParseClientCommand\n"); return; } e = G_EDICT(pr, OFS_PARM0); cmd = G_STRING(pr, OFS_PARM1); if((n = NUM_FOR_EDICT(pr, e)-1) >= svs.maxclients || !svs.clients[n].active){ Con_DPrintf("clientcommand(...) on a non-client entity\n"); return; } if(!*cmd) return; tmp = host_client; host_client = &svs.clients[n]; Cmd_ExecuteString(cmd, src_client); host_client = tmp; } static void PF_asinf(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = asinf(G_FLOAT(pr, OFS_PARM0)); } static void PF_acosf(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = acosf(G_FLOAT(pr, OFS_PARM0)); } static void PF_atanf(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = atanf(G_FLOAT(pr, OFS_PARM0)); } static void PF_atan2f(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = atan2f(G_FLOAT(pr, OFS_PARM0), G_FLOAT(pr, OFS_PARM1)); } static void PF_tanf(pr_t *pr) { G_FLOAT(pr, OFS_RETURN) = tanf(G_FLOAT(pr, OFS_PARM0)); } static void PF_tokenize(pr_t *pr) { char *s; int n; s = G_STRING(pr, OFS_PARM0); for(n = 0; s != nil && n < nelem(pr->parse_cl_command.argv); n++){ while(*s && isspace(*s)) s++; if(*s == 0 || (s = COM_Parse(s)) == nil) break; pr->parse_cl_command.argv[n] = PR_CopyStrTmp(pr, com_token); } pr->parse_cl_command.argc = n; G_FLOAT(pr, OFS_RETURN) = n; } static void PF_argv(pr_t *pr) { int i; if((i = G_FLOAT(pr, OFS_PARM0)) < 0) i += pr->parse_cl_command.argc; G_INT(pr, OFS_RETURN) = i >= pr->parse_cl_command.argc ? 0 : pr->parse_cl_command.argv[i]; } static const builtin_t pr_sv_builtins[] = { 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, [60] = PF_sinf, [61] = PF_cosf, [62] = PF_sqrtf, PF_Fixme, PF_Fixme, PF_Fixme, PF_Fixme, PF_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, // #78 [94] = PF_min, [95] = PF_max, [96] = PF_bound, [97] = PF_pow, [99] = PF_checkextension, [232] = PF_clientstat, [440] = PF_clientcommand, [441] = PF_tokenize, [442] = PF_argv, [471] = PF_asinf, [472] = PF_acosf, [473] = PF_atanf, [474] = PF_atan2f, [475] = PF_tanf, [514] = PF_tokenize, /* FIXME(sigrid): strictly speaking, this is supposed to be "tokenize_console" */ }; void PR_InitSV(pr_t *pr) { pr->builtins = pr_sv_builtins; pr->numbuiltins = nelem(pr_sv_builtins); pr->parse_cl_command.func = ED_FindFunction(pr, "SV_ParseClientCommand"); }