/* Copyright (C) 1996-2001 Id Software, Inc. Copyright (C) 2002-2009 John Fitzgibbons and others 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 "quakedef.h" #define STRINGTEMP_BUFFERS 16 #define STRINGTEMP_LENGTH 1024 static char pr_string_temp[STRINGTEMP_BUFFERS][STRINGTEMP_LENGTH]; static byte pr_string_tempindex = 0; static char * PR_GetTempString(void) { return pr_string_temp[(STRINGTEMP_BUFFERS-1) & ++pr_string_tempindex]; } #define RETURN_EDICT(e) (((int *)pr_globals)[OFS_RETURN] = EDICT_TO_PROG(e)) /* =============================================================================== BUILT-IN FUNCTIONS =============================================================================== */ char *PF_VarString (int first) { int i; static char out[256]; out[0] = 0; for (i=first ; is_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) ================= */ 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"); //johnfitz -- by design, this should not be fatal } /* ============== 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); } void SetMinMaxSize (edict_t *e, float *minvec, float *maxvec, 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 (minvec[i] > maxvec[i]) PR_RunError ("backwards mins/maxs"); rotate = false; // FIXME: implement rotation properly again if (!rotate) { VectorCopy (minvec, rmin); VectorCopy (maxvec, 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 (minvec, bounds[0]); VectorCopy (maxvec, 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 (maxvec, minvec, 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 *minvec, *maxvec; e = G_EDICT(OFS_PARM0); minvec = G_VECTOR(OFS_PARM1); maxvec = G_VECTOR(OFS_PARM2); SetMinMaxSize (e, minvec, maxvec, false); } /* ================= PF_setmodel setmodel(entity, model) ================= */ void PF_setmodel (void) { edict_t *e; const 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_SetEngineString(*check); e->v.modelindex = i; //SV_ModelIndex (m); mod = sv.models[ (int)e->v.modelindex]; // Mod_ForName (m, true); if (mod) //johnfitz -- correct physics cullboxes for bmodels { if (mod->type == mod_brush) SetMinMaxSize (e, mod->clipmins, mod->clipmaxs, true); else SetMinMaxSize (e, mod->mins, mod->maxs, true); } //johnfitz else SetMinMaxSize (e, vec3_origin, vec3_origin, true); } /* ================= PF_bprint broadcast print to everyone on server bprint(value) ================= */ 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) ================= */ 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) ================= */ 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) ================= */ void PF_normalize (void) { float *value1; vec3_t newvalue; float new_temp; value1 = G_VECTOR(OFS_PARM0); new_temp = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2]; new_temp = sqrt(new_temp); if (new_temp == 0) newvalue[0] = newvalue[1] = newvalue[2] = 0; else { new_temp = 1/new_temp; newvalue[0] = value1[0] * new_temp; newvalue[1] = value1[1] * new_temp; newvalue[2] = value1[2] * new_temp; } VectorCopy (newvalue, G_VECTOR(OFS_RETURN)); } /* ================= PF_vlen scalar vlen(vector) ================= */ void PF_vlen (void) { float *value1; float new_temp; value1 = G_VECTOR(OFS_PARM0); new_temp = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2]; new_temp = sqrt(new_temp); G_FLOAT(OFS_RETURN) = new_temp; } /* ================= 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; } /* ================= 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); } /* ================= PF_ambientsound ================= */ void PF_ambientsound (void) { const char *samp, **check; float *pos; float vol, attenuation; int i, soundnum; int large=false; //johnfitz -- PROTOCOL_FITZQUAKE 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; } //johnfitz -- PROTOCOL_FITZQUAKE if (soundnum > 255) { if (sv.protocol == PROTOCOL_NETQUAKE) return; //don't send any info protocol can't support else large = true; } //johnfitz // add an svc_spawnambient command to the level signon packet //johnfitz -- PROTOCOL_FITZQUAKE if (large) MSG_WriteByte (&sv.signon,svc_spawnstaticsound2); else MSG_WriteByte (&sv.signon,svc_spawnstaticsound); //johnfitz for (i=0 ; i<3 ; i++) MSG_WriteCoord(&sv.signon, pos[i]); //johnfitz -- PROTOCOL_FITZQUAKE if (large) MSG_WriteShort (&sv.signon, soundnum); else MSG_WriteByte (&sv.signon, soundnum); //johnfitz 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) { const 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 ("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); 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); /* FIXME FIXME FIXME: Why do we hit this with certain progs.dat ?? */ if (developer.value) { if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2]) || IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2])) { Host_Error("NAN in traceline:\nv1(%f %f %f) v2(%f %f %f)\nentity %d", v1[0], v1[1], v1[2], v2[0], v2[1], v2[2], NUM_FOR_EDICT(ent)); } } else { if (IS_NAN(v1[0]) || IS_NAN(v1[1]) || IS_NAN(v1[2])) v1[0] = v1[1] = v1[2] = 0; if (IS_NAN(v2[0]) || IS_NAN(v2[1]) || IS_NAN(v2[2])) v2[0] = v2[1] = v2[2] = 0; } 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; 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 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; const 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) ================= */ void PF_localcmd (void) { const char *str; str = G_STRING(OFS_PARM0); Cbuf_AddText (str); } /* ================= PF_cvar float cvar (string) ================= */ void PF_cvar (void) { const 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) { const 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 ; ifree) 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 (VectorLength(eorg) > rad) continue; ent->v.chain = EDICT_TO_PROG(chain); chain = ent; } RETURN_EDICT(chain); } /* ========= PF_dprint ========= */ void PF_dprint (void) { Con_DPrintf ("%s",PF_VarString(0)); } void PF_ftos (void) { float v; char *s; v = G_FLOAT(OFS_PARM0); s = PR_GetTempString(); if (v == (int)v) sprintf (s, "%d",(int)v); else sprintf (s, "%5.1f",v); G_INT(OFS_RETURN) = PR_SetEngineString(s); } void PF_fabs (void) { float v; v = G_FLOAT(OFS_PARM0); G_FLOAT(OFS_RETURN) = fabs(v); } void PF_vtos (void) { char *s; s = PR_GetTempString(); sprintf (s, "'%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_SetEngineString(s); } 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; const 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 (const 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) { const 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 ; iself); 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; const 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 ; jactive || client->spawned) { MSG_WriteChar (&client->message, svc_lightstyle); MSG_WriteChar (&client->message,style); MSG_WriteString (&client->message, val); } } 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) ============= */ cvar_t sv_aim = {"sv_aim", "0.93"}; 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); (void) speed; /* variable set but not used */ 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 ; iv.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 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; } void PF_WriteByte (void) { MSG_WriteByte (WriteDest(), G_FLOAT(OFS_PARM1)); } void PF_WriteChar (void) { MSG_WriteChar (WriteDest(), G_FLOAT(OFS_PARM1)); } void PF_WriteShort (void) { MSG_WriteShort (WriteDest(), G_FLOAT(OFS_PARM1)); } void PF_WriteLong (void) { MSG_WriteLong (WriteDest(), G_FLOAT(OFS_PARM1)); } void PF_WriteAngle (void) { MSG_WriteAngle (WriteDest(), G_FLOAT(OFS_PARM1)); } void PF_WriteCoord (void) { MSG_WriteCoord (WriteDest(), G_FLOAT(OFS_PARM1)); } void PF_WriteString (void) { MSG_WriteString (WriteDest(), G_STRING(OFS_PARM1)); } void PF_WriteEntity (void) { MSG_WriteShort (WriteDest(), G_EDICTNUM(OFS_PARM1)); } //============================================================================= void PF_makestatic (void) { edict_t *ent; int i; int bits=0; //johnfitz -- PROTOCOL_FITZQUAKE ent = G_EDICT(OFS_PARM0); //johnfitz -- don't send invisible static entities if (ent->alpha == ENTALPHA_ZERO) { ED_Free (ent); return; } //johnfitz //johnfitz -- PROTOCOL_FITZQUAKE if (sv.protocol == PROTOCOL_NETQUAKE) { if (SV_ModelIndex(PR_GetString(ent->v.model)) & 0xFF00 || (int)(ent->v.frame) & 0xFF00) { ED_Free (ent); return; //can't display the correct model & frame, so don't show it at all } } else { if (SV_ModelIndex(PR_GetString(ent->v.model)) & 0xFF00) bits |= B_LARGEMODEL; if ((int)(ent->v.frame) & 0xFF00) bits |= B_LARGEFRAME; if (ent->alpha != ENTALPHA_DEFAULT) bits |= B_ALPHA; } if (bits) { MSG_WriteByte (&sv.signon, svc_spawnstatic2); MSG_WriteByte (&sv.signon, bits); } else MSG_WriteByte (&sv.signon, svc_spawnstatic); if (bits & B_LARGEMODEL) MSG_WriteShort (&sv.signon, SV_ModelIndex(PR_GetString(ent->v.model))); else MSG_WriteByte (&sv.signon, SV_ModelIndex(PR_GetString(ent->v.model))); if (bits & B_LARGEFRAME) MSG_WriteShort (&sv.signon, ent->v.frame); else MSG_WriteByte (&sv.signon, ent->v.frame); //johnfitz 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]); } //johnfitz -- PROTOCOL_FITZQUAKE if (bits & B_ALPHA) MSG_WriteByte (&sv.signon, ent->alpha); //johnfitz // 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); 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 ============== */ void PF_changelevel (void) { const 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)); } void PF_Fixme (void) { PR_RunError ("unimplemented bulitin"); } static 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]);