void SUB_NullThink(void) { } void() SUB_CalcMoveDone; void() SUB_CalcAngleMoveDone; //void() SUB_UseTargets; void() SUB_Remove; void spawnfunc_info_null (void) { remove(self); // if anything breaks, tell the mapper to fix his map! info_null is meant to remove itself immediately. } void setanim(entity e, vector anim, float looping, float override, float restart) { if (!anim) return; // no animation was given to us! We can't use this. if (anim_x == e.animstate_startframe) if (anim_y == e.animstate_numframes) if (anim_z == e.animstate_framerate) { if(restart) { if(restart > 0) if(anim_y == 1) // ZYM animation BITXOR_ASSIGN(e.effects, EF_RESTARTANIM_BIT); } else return; } e.animstate_startframe = anim_x; e.animstate_numframes = anim_y; e.animstate_framerate = anim_z; e.animstate_starttime = servertime - 0.1 * serverframetime; // shift it a little bit into the past to prevent float inaccuracy hiccups e.animstate_endtime = e.animstate_starttime + e.animstate_numframes / e.animstate_framerate; e.animstate_looping = looping; e.animstate_override = override; e.frame = e.animstate_startframe; e.frame1time = servertime; } void updateanim(entity e) { if (time >= e.animstate_endtime) { if (e.animstate_looping) { e.animstate_starttime = e.animstate_endtime; e.animstate_endtime = e.animstate_starttime + e.animstate_numframes / e.animstate_framerate; } e.animstate_override = FALSE; } e.frame = e.animstate_startframe + bound(0, (time - e.animstate_starttime) * e.animstate_framerate, e.animstate_numframes - 1); //print(ftos(time), " -> ", ftos(e.frame), "\n"); } /* ================== SUB_Remove Remove self ================== */ void SUB_Remove (void) { remove (self); } /* ================== SUB_Friction Applies some friction to self ================== */ .float friction; void SUB_Friction (void) { self.nextthink = time; if(self.flags & FL_ONGROUND) self.velocity = self.velocity * (1 - frametime * self.friction); } /* ================== SUB_VanishOrRemove Makes client invisible or removes non-client ================== */ void SUB_VanishOrRemove (entity ent) { if (IS_CLIENT(ent)) { // vanish ent.alpha = -1; ent.effects = 0; ent.glow_size = 0; ent.pflags = 0; } else { // remove remove (ent); } } void SUB_SetFade_Think (void) { if(self.alpha == 0) self.alpha = 1; self.think = SUB_SetFade_Think; self.nextthink = time; self.alpha -= frametime * self.fade_rate; if (self.alpha < 0.01) SUB_VanishOrRemove(self); else self.nextthink = time; } /* ================== SUB_SetFade Fade 'ent' out when time >= 'when' ================== */ void SUB_SetFade (entity ent, float when, float fadetime) { ent.fade_rate = 1/fadetime; ent.think = SUB_SetFade_Think; ent.nextthink = when; } /* ============= SUB_CalcMove calculate self.velocity and self.nextthink to reach dest from self.origin traveling at speed =============== */ void SUB_CalcMoveDone (void) { // After moving, set origin to exact final destination setorigin (self, self.finaldest); self.velocity = '0 0 0'; self.nextthink = -1; if (self.think1) self.think1 (); } .float platmovetype_turn; void SUB_CalcMove_controller_think (void) { entity oldself; float traveltime; float phasepos; float nexttick; vector delta; vector delta2; vector veloc; vector angloc; vector nextpos; delta = self.destvec; delta2 = self.destvec2; if(time < self.animstate_endtime) { nexttick = time + sys_frametime; traveltime = self.animstate_endtime - self.animstate_starttime; phasepos = (nexttick - self.animstate_starttime) / traveltime; // range: [0, 1] phasepos = cubic_speedfunc(self.platmovetype_start, self.platmovetype_end, phasepos); nextpos = self.origin + (delta * phasepos) + (delta2 * phasepos * phasepos); // derivative: delta + 2 * delta2 * phasepos (e.g. for angle positioning) if(self.owner.platmovetype_turn) { vector destangle; destangle = delta + 2 * delta2 * phasepos; destangle = vectoangles(destangle); destangle_x = -destangle_x; // flip up / down orientation // take the shortest distance for the angles self.owner.angles_x -= 360 * floor((self.owner.angles_x - destangle_x) / 360 + 0.5); self.owner.angles_y -= 360 * floor((self.owner.angles_y - destangle_y) / 360 + 0.5); self.owner.angles_z -= 360 * floor((self.owner.angles_z - destangle_z) / 360 + 0.5); angloc = destangle - self.owner.angles; angloc = angloc * (1 / sys_frametime); // so it arrives for the next frame self.owner.avelocity = angloc; } if(nexttick < self.animstate_endtime) veloc = nextpos - self.owner.origin; else veloc = self.finaldest - self.owner.origin; veloc = veloc * (1 / sys_frametime); // so it arrives for the next frame self.owner.velocity = veloc; self.nextthink = nexttick; } else { // derivative: delta + 2 * delta2 (e.g. for angle positioning) oldself = self; self.owner.think = self.think1; self = self.owner; remove(oldself); self.think(); } } void SUB_CalcMove_controller_setbezier (entity controller, vector org, vector control, vector dest) { // 0 * (1-t) * (1-t) + 2 * control * t * (1-t) + dest * t * t // 2 * control * t - 2 * control * t * t + dest * t * t // 2 * control * t + (dest - 2 * control) * t * t controller.origin = org; // starting point control -= org; dest -= org; controller.destvec = 2 * control; // control point controller.destvec2 = dest - 2 * control; // quadratic part required to reach end point // also: initial d/dphasepos origin = 2 * control, final speed = 2 * (dest - control) } void SUB_CalcMove_controller_setlinear (entity controller, vector org, vector dest) { // 0 * (1-t) * (1-t) + 2 * control * t * (1-t) + dest * t * t // 2 * control * t - 2 * control * t * t + dest * t * t // 2 * control * t + (dest - 2 * control) * t * t controller.origin = org; // starting point dest -= org; controller.destvec = dest; // end point controller.destvec2 = '0 0 0'; } float TSPEED_TIME = -1; float TSPEED_LINEAR = 0; float TSPEED_START = 1; float TSPEED_END = 2; // TODO average too? void SUB_CalcMove_Bezier (vector tcontrol, vector tdest, float tspeedtype, float tspeed, void() func) { float traveltime; entity controller; if (!tspeed) objerror ("No speed is defined!"); self.think1 = func; self.finaldest = tdest; self.think = SUB_CalcMoveDone; switch(tspeedtype) { default: case TSPEED_START: traveltime = 2 * vlen(tcontrol - self.origin) / tspeed; break; case TSPEED_END: traveltime = 2 * vlen(tcontrol - tdest) / tspeed; break; case TSPEED_LINEAR: traveltime = vlen(tdest - self.origin) / tspeed; break; case TSPEED_TIME: traveltime = tspeed; break; } if (traveltime < 0.1) // useless anim { self.velocity = '0 0 0'; self.nextthink = self.ltime + 0.1; return; } controller = spawn(); controller.classname = "SUB_CalcMove_controller"; controller.owner = self; controller.platmovetype = self.platmovetype; controller.platmovetype_start = self.platmovetype_start; controller.platmovetype_end = self.platmovetype_end; SUB_CalcMove_controller_setbezier(controller, self.origin, tcontrol, tdest); controller.finaldest = (tdest + '0 0 0.125'); // where do we want to end? Offset to overshoot a bit. controller.animstate_starttime = time; controller.animstate_endtime = time + traveltime; controller.think = SUB_CalcMove_controller_think; controller.think1 = self.think; // the thinking is now done by the controller self.think = SUB_NullThink; // for PushMove self.nextthink = self.ltime + traveltime; // invoke controller self = controller; self.think(); self = self.owner; } void SUB_CalcMove (vector tdest, float tspeedtype, float tspeed, void() func) { vector delta; float traveltime; if (!tspeed) objerror ("No speed is defined!"); self.think1 = func; self.finaldest = tdest; self.think = SUB_CalcMoveDone; if (tdest == self.origin) { self.velocity = '0 0 0'; self.nextthink = self.ltime + 0.1; return; } delta = tdest - self.origin; switch(tspeedtype) { default: case TSPEED_START: case TSPEED_END: case TSPEED_LINEAR: traveltime = vlen (delta) / tspeed; break; case TSPEED_TIME: traveltime = tspeed; break; } // Very short animations don't really show off the effect // of controlled animation, so let's just use linear movement. // Alternatively entities can choose to specify non-controlled movement. // The only currently implemented alternative movement is linear (value 1) if (traveltime < 0.15 || (self.platmovetype_start == 1 && self.platmovetype_end == 1)) // is this correct? { self.velocity = delta * (1/traveltime); // QuakeC doesn't allow vector/float division self.nextthink = self.ltime + traveltime; return; } // now just run like a bezier curve... SUB_CalcMove_Bezier((self.origin + tdest) * 0.5, tdest, tspeedtype, tspeed, func); } void SUB_CalcMoveEnt (entity ent, vector tdest, float tspeedtype, float tspeed, void() func) { entity oldself; oldself = self; self = ent; SUB_CalcMove (tdest, tspeedtype, tspeed, func); self = oldself; } /* ============= SUB_CalcAngleMove calculate self.avelocity and self.nextthink to reach destangle from self.angles rotating The calling function should make sure self.think is valid =============== */ void SUB_CalcAngleMoveDone (void) { // After rotating, set angle to exact final angle self.angles = self.finalangle; self.avelocity = '0 0 0'; self.nextthink = -1; if (self.think1) self.think1 (); } // FIXME: I fixed this function only for rotation around the main axes void SUB_CalcAngleMove (vector destangle, float tspeedtype, float tspeed, void() func) { vector delta; float traveltime; if (!tspeed) objerror ("No speed is defined!"); // take the shortest distance for the angles self.angles_x -= 360 * floor((self.angles_x - destangle_x) / 360 + 0.5); self.angles_y -= 360 * floor((self.angles_y - destangle_y) / 360 + 0.5); self.angles_z -= 360 * floor((self.angles_z - destangle_z) / 360 + 0.5); delta = destangle - self.angles; switch(tspeedtype) { default: case TSPEED_START: case TSPEED_END: case TSPEED_LINEAR: traveltime = vlen (delta) / tspeed; break; case TSPEED_TIME: traveltime = tspeed; break; } self.think1 = func; self.finalangle = destangle; self.think = SUB_CalcAngleMoveDone; if (traveltime < 0.1) { self.avelocity = '0 0 0'; self.nextthink = self.ltime + 0.1; return; } self.avelocity = delta * (1 / traveltime); self.nextthink = self.ltime + traveltime; } void SUB_CalcAngleMoveEnt (entity ent, vector destangle, float tspeedtype, float tspeed, void() func) { entity oldself; oldself = self; self = ent; SUB_CalcAngleMove (destangle, tspeedtype, tspeed, func); self = oldself; } /* ================== main unused but required by the engine ================== */ void main (void) { } // Misc /* ================== traceline_antilag A version of traceline that must be used by SOLID_SLIDEBOX things that want to hit SOLID_CORPSE things with a trace attack Additionally it moves players back into the past before the trace and restores them afterward. ================== */ void tracebox_antilag_force_wz (entity source, vector v1, vector mi, vector ma, vector v2, float nomonst, entity forent, float lag, float wz) { entity player; float oldsolid; // check whether antilagged traces are enabled if (lag < 0.001) lag = 0; if (!IS_REAL_CLIENT(forent)) lag = 0; // only antilag for clients // change shooter to SOLID_BBOX so the shot can hit corpses oldsolid = source.dphitcontentsmask; if(source) source.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE; if (lag) { // take players back into the past FOR_EACH_PLAYER(player) if(player != forent) antilag_takeback(player, time - lag); } // do the trace if(wz) WarpZone_TraceBox (v1, mi, ma, v2, nomonst, forent); else tracebox (v1, mi, ma, v2, nomonst, forent); // restore players to current positions if (lag) { FOR_EACH_PLAYER(player) if(player != forent) antilag_restore(player); } // restore shooter solid type if(source) source.dphitcontentsmask = oldsolid; } void traceline_antilag_force (entity source, vector v1, vector v2, float nomonst, entity forent, float lag) { tracebox_antilag_force_wz(source, v1, '0 0 0', '0 0 0', v2, nomonst, forent, lag, FALSE); } void traceline_antilag (entity source, vector v1, vector v2, float nomonst, entity forent, float lag) { if (autocvar_g_antilag != 2 || source.cvar_cl_noantilag) lag = 0; traceline_antilag_force(source, v1, v2, nomonst, forent, lag); } void tracebox_antilag (entity source, vector v1, vector mi, vector ma, vector v2, float nomonst, entity forent, float lag) { if (autocvar_g_antilag != 2 || source.cvar_cl_noantilag) lag = 0; tracebox_antilag_force_wz(source, v1, mi, ma, v2, nomonst, forent, lag, FALSE); } void WarpZone_traceline_antilag_force (entity source, vector v1, vector v2, float nomonst, entity forent, float lag) { tracebox_antilag_force_wz(source, v1, '0 0 0', '0 0 0', v2, nomonst, forent, lag, TRUE); } void WarpZone_traceline_antilag (entity source, vector v1, vector v2, float nomonst, entity forent, float lag) { if (autocvar_g_antilag != 2 || source.cvar_cl_noantilag) lag = 0; WarpZone_traceline_antilag_force(source, v1, v2, nomonst, forent, lag); } void WarpZone_tracebox_antilag (entity source, vector v1, vector mi, vector ma, vector v2, float nomonst, entity forent, float lag) { if (autocvar_g_antilag != 2 || source.cvar_cl_noantilag) lag = 0; tracebox_antilag_force_wz(source, v1, mi, ma, v2, nomonst, forent, lag, TRUE); } float tracebox_inverted (vector v1, vector mi, vector ma, vector v2, float nomonsters, entity forent, float stopatentity, entity ignorestopatentity) // returns the number of traces done, for benchmarking { vector pos, dir, t; float nudge; entity stopentity; //nudge = 2 * cvar("collision_impactnudge"); // why not? nudge = 0.5; dir = normalize(v2 - v1); pos = v1 + dir * nudge; float c; c = 0; for(;;) { if(pos * dir >= v2 * dir) { // went too far trace_fraction = 1; trace_endpos = v2; return c; } tracebox(pos, mi, ma, v2, nomonsters, forent); ++c; if(c == 50) { dprint("HOLY SHIT! When tracing from ", vtos(v1), " to ", vtos(v2), "\n"); dprint(" Nudging gets us nowhere at ", vtos(pos), "\n"); dprint(" trace_endpos is ", vtos(trace_endpos), "\n"); dprint(" trace distance is ", ftos(vlen(pos - trace_endpos)), "\n"); } stopentity = trace_ent; if(trace_startsolid) { // we started inside solid. // then trace from endpos to pos t = trace_endpos; tracebox(t, mi, ma, pos, nomonsters, forent); ++c; if(trace_startsolid) { // t is still inside solid? bad // force advance, then, and retry pos = t + dir * nudge; // but if we hit an entity, stop RIGHT before it if(stopatentity && stopentity && stopentity != ignorestopatentity) { trace_ent = stopentity; trace_endpos = t; trace_fraction = ((trace_endpos - v1) * dir) / ((v2 - v1) * dir); return c; } } else { // we actually LEFT solid! trace_fraction = ((trace_endpos - v1) * dir) / ((v2 - v1) * dir); return c; } } else { // pos is outside solid?!? but why?!? never mind, just return it. trace_endpos = pos; trace_fraction = ((trace_endpos - v1) * dir) / ((v2 - v1) * dir); return c; } } } void traceline_inverted (vector v1, vector v2, float nomonsters, entity forent, float stopatentity, entity ignorestopatentity) { tracebox_inverted(v1, '0 0 0', '0 0 0', v2, nomonsters, forent, stopatentity, ignorestopatentity); } /* ================== findbetterlocation Returns a point at least 12 units away from walls (useful for explosion animations, although the blast is performed where it really happened) Ripped from DPMod ================== */ vector findbetterlocation (vector org, float mindist) { vector loc; vector vec; float c, h; vec = mindist * '1 0 0'; c = 0; while (c < 6) { traceline (org, org + vec, TRUE, world); vec = vec * -1; if (trace_fraction < 1) { loc = trace_endpos; traceline (loc, loc + vec, TRUE, world); if (trace_fraction >= 1) org = loc + vec; } if (c & 1) { h = vec_y; vec_y = vec_x; vec_x = vec_z; vec_z = h; } c = c + 1; } return org; } /* ================== crandom Returns a random number between -1.0 and 1.0 ================== */ float crandom (void) { return 2 * (random () - 0.5); } /* ================== Angc used for animations ================== */ float angc (float a1, float a2) { float a; while (a1 > 180) a1 = a1 - 360; while (a1 < -179) a1 = a1 + 360; while (a2 > 180) a2 = a2 - 360; while (a2 < -179) a2 = a2 + 360; a = a1 - a2; while (a > 180) a = a - 360; while (a < -179) a = a + 360; return a; } .string lodtarget1; .string lodtarget2; .string lodmodel1; .string lodmodel2; .float lodmodelindex0; .float lodmodelindex1; .float lodmodelindex2; .float loddistance1; .float loddistance2; float LOD_customize() { float d; if(autocvar_loddebug) { d = autocvar_loddebug; if(d == 1) self.modelindex = self.lodmodelindex0; else if(d == 2 || !self.lodmodelindex2) self.modelindex = self.lodmodelindex1; else // if(d == 3) self.modelindex = self.lodmodelindex2; return TRUE; } // TODO csqc network this so it only gets sent once d = vlen(NearestPointOnBox(self, other.origin) - other.origin); if(d < self.loddistance1) self.modelindex = self.lodmodelindex0; else if(!self.lodmodelindex2 || d < self.loddistance2) self.modelindex = self.lodmodelindex1; else self.modelindex = self.lodmodelindex2; return TRUE; } void LOD_uncustomize() { self.modelindex = self.lodmodelindex0; } void LODmodel_attach() { entity e; if(!self.loddistance1) self.loddistance1 = 1000; if(!self.loddistance2) self.loddistance2 = 2000; self.lodmodelindex0 = self.modelindex; if(self.lodtarget1 != "") { e = find(world, targetname, self.lodtarget1); if(e) { self.lodmodel1 = e.model; remove(e); } } if(self.lodtarget2 != "") { e = find(world, targetname, self.lodtarget2); if(e) { self.lodmodel2 = e.model; remove(e); } } if(autocvar_loddebug < 0) { self.lodmodel1 = self.lodmodel2 = ""; // don't even initialize } if(self.lodmodel1 != "") { vector mi, ma; mi = self.mins; ma = self.maxs; precache_model(self.lodmodel1); setmodel(self, self.lodmodel1); self.lodmodelindex1 = self.modelindex; if(self.lodmodel2 != "") { precache_model(self.lodmodel2); setmodel(self, self.lodmodel2); self.lodmodelindex2 = self.modelindex; } self.modelindex = self.lodmodelindex0; setsize(self, mi, ma); } if(self.lodmodelindex1) if (!self.SendEntity) SetCustomizer(self, LOD_customize, LOD_uncustomize); } void ApplyMinMaxScaleAngles(entity e) { if(e.angles_x != 0 || e.angles_z != 0 || self.avelocity_x != 0 || self.avelocity_z != 0) // "weird" rotation { e.maxs = '1 1 1' * vlen( '1 0 0' * max(-e.mins_x, e.maxs_x) + '0 1 0' * max(-e.mins_y, e.maxs_y) + '0 0 1' * max(-e.mins_z, e.maxs_z) ); e.mins = -e.maxs; } else if(e.angles_y != 0 || self.avelocity_y != 0) // yaw only is a bit better { e.maxs_x = vlen( '1 0 0' * max(-e.mins_x, e.maxs_x) + '0 1 0' * max(-e.mins_y, e.maxs_y) ); e.maxs_y = e.maxs_x; e.mins_x = -e.maxs_x; e.mins_y = -e.maxs_x; } if(e.scale) setsize(e, e.mins * e.scale, e.maxs * e.scale); else setsize(e, e.mins, e.maxs); } void SetBrushEntityModel() { if(self.model != "") { precache_model(self.model); if(self.mins != '0 0 0' || self.maxs != '0 0 0') { vector mi = self.mins; vector ma = self.maxs; setmodel(self, self.model); // no precision needed setsize(self, mi, ma); } else setmodel(self, self.model); // no precision needed InitializeEntity(self, LODmodel_attach, INITPRIO_FINDTARGET); } setorigin(self, self.origin); ApplyMinMaxScaleAngles(self); } void SetBrushEntityModelNoLOD() { if(self.model != "") { precache_model(self.model); if(self.mins != '0 0 0' || self.maxs != '0 0 0') { vector mi = self.mins; vector ma = self.maxs; setmodel(self, self.model); // no precision needed setsize(self, mi, ma); } else setmodel(self, self.model); // no precision needed } setorigin(self, self.origin); ApplyMinMaxScaleAngles(self); } /* ================ InitTrigger ================ */ void SetMovedir() { if (self.movedir != '0 0 0') self.movedir = normalize(self.movedir); else { makevectors (self.angles); self.movedir = v_forward; } self.angles = '0 0 0'; } void InitTrigger() { // trigger angles are used for one-way touches. An angle of 0 is assumed // to mean no restrictions, so use a yaw of 360 instead. SetMovedir (); self.solid = SOLID_TRIGGER; SetBrushEntityModel(); self.movetype = MOVETYPE_NONE; self.modelindex = 0; self.model = ""; } void InitSolidBSPTrigger() { // trigger angles are used for one-way touches. An angle of 0 is assumed // to mean no restrictions, so use a yaw of 360 instead. SetMovedir (); self.solid = SOLID_BSP; SetBrushEntityModel(); self.movetype = MOVETYPE_NONE; // why was this PUSH? -div0 // self.modelindex = 0; self.model = ""; } float InitMovingBrushTrigger() { // trigger angles are used for one-way touches. An angle of 0 is assumed // to mean no restrictions, so use a yaw of 360 instead. self.solid = SOLID_BSP; SetBrushEntityModel(); self.movetype = MOVETYPE_PUSH; if(self.modelindex == 0) { objerror("InitMovingBrushTrigger: no brushes found!"); return 0; } return 1; }