1 #define SAFENUDGE '1 1 1'
2 #define SAFERNUDGE '8 8 8'
4 .vector portal_transform;
5 .vector portal_safe_origin;
6 .float portal_wants_to_vanish;
7 .float portal_activatetime;
9 float PlayerEdgeDistance(entity p, vector v)
13 if(v_x < 0) vbest_x = p.mins_x; else vbest_x = p.maxs_x;
14 if(v_y < 0) vbest_y = p.mins_y; else vbest_y = p.maxs_y;
15 if(v_z < 0) vbest_z = p.mins_z; else vbest_z = p.maxs_z;
21 float Portal_TeleportPlayer(entity teleporter, entity player)
23 vector from, to, safe, step, transform, ang, newvel;
24 vector new_forward, new_up;
25 vector old_forward, old_up;
26 vector new_yawforward;
27 vector old_yawforward;
28 float planeshift, s, t;
30 if not(teleporter.enemy)
32 backtrace("Portal_TeleportPlayer called without other portal being set. Stop.");
36 from = teleporter.origin;
37 transform = teleporter.portal_transform;
39 to = teleporter.enemy.origin;
40 to = to + AnglesTransform_Apply(teleporter.portal_transform, player.origin - from);
41 newvel = AnglesTransform_Apply(transform, player.velocity);
42 // this now is INSIDE the plane... can't use that
45 fixedmakevectors(teleporter.enemy.angles);
47 // first shift it ON the plane if needed
48 planeshift = ((teleporter.enemy.origin - to) * v_forward) + PlayerEdgeDistance(player, v_forward) + 1;
49 if(planeshift > 0 && (newvel * v_forward) > vlen(newvel) * 0.01)
50 // if we can't, let us not do the planeshift and do somewhat incorrect transformation in the end
51 to += newvel * (planeshift / (newvel * v_forward));
53 to += trace_plane_normal * planeshift;
55 s = (to - teleporter.enemy.origin) * v_right;
56 t = (to - teleporter.enemy.origin) * v_up;
57 s = bound(-48, s, 48);
58 t = bound(-48, t, 48);
59 to = teleporter.enemy.origin
60 + ((to - teleporter.enemy.origin) * v_forward) * v_forward
64 safe = teleporter.enemy.portal_safe_origin; // a valid player origin
65 step = to + ((safe - to) * v_forward) * v_forward;
66 tracebox(safe, player.mins - SAFENUDGE, player.maxs + SAFENUDGE, step, MOVE_NOMONSTERS, player);
69 print("'safe' teleport location is not safe!\n");
70 // FAIL TODO why does this happen?
73 safe = trace_endpos + normalize(safe - trace_endpos) * 0;
74 tracebox(safe, player.mins - SAFENUDGE, player.maxs + SAFENUDGE, to, MOVE_NOMONSTERS, player);
77 print("trace_endpos in solid, this can't be!\n");
78 // FAIL TODO why does this happen? (reported by MrBougo)
81 to = trace_endpos + normalize(safe - trace_endpos) * 0;
82 //print(vtos(to), "\n");
84 // ang_x stuff works around weird quake angles
85 if(player.classname == "player")
89 ang_x = bound(-89, mod(-ang_x + 180, 360) - 180, 89);
90 ang = AnglesTransform_Multiply(transform, ang);
93 // PLAYERS use different math
96 //print("reference: ", vtos(AnglesTransform_Multiply(transform, ang)), "\n");
98 fixedmakevectors(ang);
99 old_forward = v_forward;
101 fixedmakevectors(ang_y * '0 1 0');
102 old_yawforward = v_forward;
104 // their aiming directions are portalled...
105 new_forward = AnglesTransform_Apply(transform, old_forward);
106 new_up = AnglesTransform_Apply(transform, old_up);
107 new_yawforward = AnglesTransform_Apply(transform, old_yawforward);
109 // but now find a new sense of direction
111 // assume new_forward points straight up.
114 // new_up could now point forward OR backward... which direction to choose?
116 if(new_forward_z > 0.7 || new_forward_z < -0.7) // far up; in this case, the "up" vector points backwards
118 // new_yawforward and new_yawup define the new aiming half-circle
119 // we "just" need to find out whether new_up or -new_up is in that half circle
120 ang = fixedvectoangles(new_forward); // this still gets us a nice pitch value...
121 if(new_up * new_yawforward < 0)
122 new_up = -1 * new_up;
123 ang_y = vectoyaw(new_up); // this vector is the yaw we want
124 //print("UP/DOWN path: ", vtos(ang), "\n");
128 // good angles; here, "forward" suffices
129 ang = fixedvectoangles(new_forward);
130 //print("GOOD path: ", vtos(ang), "\n");
134 ang_z = player.angles_z;
139 ang = AnglesTransform_Multiply(transform, player.angles);
142 // factor -1 allows chaining portals, but may be weird
143 player.right_vector = -1 * AnglesTransform_Apply(transform, player.right_vector);
145 if(player.flagcarried)
146 DropFlag(player.flagcarried, player, world);
148 if not(teleporter.enemy)
150 backtrace("Portal_TeleportPlayer ended up without other portal being set BEFORE TeleportPlayer. Stop.");
154 TeleportPlayer(teleporter, player, to, ang, newvel, teleporter.enemy.absmin, teleporter.enemy.absmax);
156 if not(teleporter.enemy)
158 backtrace("Portal_TeleportPlayer ended up without other portal being set AFTER TeleportPlayer. Stop.");
162 // reset fade counter
163 teleporter.portal_wants_to_vanish = 0;
164 teleporter.fade_time = time + cvar("g_balance_portal_lifetime");
165 teleporter.health = cvar("g_balance_portal_health");
166 teleporter.enemy.health = cvar("g_balance_portal_health");
171 float Portal_FindSafeOrigin(entity portal)
175 portal.mins = PL_MIN - SAFERNUDGE;
176 portal.maxs = PL_MAX + SAFERNUDGE;
177 fixedmakevectors(portal.angles);
178 portal.origin += 16 * v_forward;
179 if(!move_out_of_solid(portal))
182 print("NO SAFE ORIGIN\n");
186 portal.portal_safe_origin = portal.origin;
187 setorigin(portal, o);
191 float Portal_WillHitPlane(vector eorg, vector emins, vector emaxs, vector evel, vector porg, vector pnorm, float psize)
193 float dist, distpersec, delta;
196 dist = (eorg - porg) * pnorm;
197 dist += min(emins_x * pnorm_x, emaxs_x * pnorm_x);
198 dist += min(emins_y * pnorm_y, emaxs_y * pnorm_y);
199 dist += min(emins_z * pnorm_z, emaxs_z * pnorm_z);
200 if(dist < -1) // other side?
202 distpersec = evel * pnorm;
203 if(distpersec >= 0) // going away from the portal?
205 delta = dist / distpersec;
206 v = eorg - evel * delta - porg;
207 v = v - pnorm * (pnorm * v);
208 return vlen(v) < psize;
215 // portal is being removed?
216 if(self.solid != SOLID_TRIGGER)
217 return; // possibly engine bug
219 if(other.classname == "player")
220 return; // handled by think
222 if(other.classname == "item_flag_team")
223 return; // never portal these
225 if(other.classname == "grapplinghook")
226 return; // handled by think
229 error("Portal_Touch called for a broken portal\n");
231 if(trace_fraction < 1)
232 return; // only handle TouchAreaGrid ones (only these can teleport)
233 // for some unknown reason, this also gets collisions from SV_Impact sometimes
235 if(other.classname == "porto")
237 if(other.portal_id == self.portal_id)
240 if(time < self.portal_activatetime)
241 if(other == self.owner)
243 self.portal_activatetime = time + 0.1;
246 if(other != self.owner)
247 if(other.classname == "player")
248 if(IS_INDEPENDENT_PLAYER(other) || IS_INDEPENDENT_PLAYER(self.owner))
249 return; // cannot go through someone else's portal
250 if(other.owner != self.owner)
251 if(other.owner.classname == "player")
252 if(IS_INDEPENDENT_PLAYER(other.owner) || IS_INDEPENDENT_PLAYER(self.owner))
253 return; // cannot go through someone else's portal
254 fixedmakevectors(self.angles);
255 g = frametime * '0 0 -1' * cvar("sv_gravity");
256 if(!Portal_WillHitPlane(other.origin, other.mins, other.maxs, other.velocity + g, self.origin, v_forward, self.maxs_x))
260 if(other.mins_x < PL_MIN_x || other.mins_y < PL_MIN_y || other.mins_z < PL_MIN_z
261 || other.maxs_x > PL_MAX_x || other.maxs_y > PL_MAX_y || other.maxs_z > PL_MAX_z)
263 // can't teleport this
268 if(Portal_TeleportPlayer(self, other))
269 if(other.classname == "porto")
270 if(other.effects & EF_RED)
271 other.effects += EF_BLUE - EF_RED;
275 void Portal_MakeBrokenPortal(entity portal)
278 portal.solid = SOLID_NOT;
279 portal.touch = SUB_Null;
280 portal.think = SUB_Null;
282 portal.nextthink = 0;
283 portal.takedamage = DAMAGE_NO;
286 void Portal_MakeWaitingPortal(entity portal)
289 portal.solid = SOLID_NOT;
290 portal.touch = SUB_Null;
291 portal.think = SUB_Null;
292 portal.effects = EF_ADDITIVE;
293 portal.nextthink = 0;
294 portal.takedamage = DAMAGE_YES;
297 void Portal_MakeInPortal(entity portal)
300 portal.solid = SOLID_TRIGGER;
301 portal.touch = Portal_Touch;
302 portal.think = Portal_Think;
303 portal.effects = EF_RED;
304 portal.nextthink = time;
305 portal.takedamage = DAMAGE_NO;
308 void Portal_MakeOutPortal(entity portal)
311 portal.solid = SOLID_NOT;
312 portal.touch = SUB_Null;
313 portal.think = SUB_Null;
314 portal.effects = EF_STARDUST | EF_BLUE;
315 portal.nextthink = 0;
316 portal.takedamage = DAMAGE_YES;
319 void Portal_Disconnect(entity teleporter, entity destination)
321 teleporter.enemy = world;
322 destination.enemy = world;
323 Portal_MakeBrokenPortal(teleporter);
324 Portal_MakeBrokenPortal(destination);
327 void Portal_Connect(entity teleporter, entity destination)
329 teleporter.portal_transform = AnglesTransform_Divide(AnglesTransform_TurnDirection(destination.angles), teleporter.angles);
331 teleporter.enemy = destination;
332 destination.enemy = teleporter;
333 Portal_MakeInPortal(teleporter);
334 Portal_MakeOutPortal(destination);
335 teleporter.fade_time = time + 15;
336 destination.fade_time = time + 15;
337 teleporter.portal_wants_to_vanish = 0;
338 destination.portal_wants_to_vanish = 0;
341 void Portal_Remove(entity portal, float killed)
348 Portal_Disconnect(portal, e);
349 Portal_Remove(e, killed);
352 if(portal == portal.owner.portal_in)
353 portal.owner.portal_in = world;
354 if(portal == portal.owner.portal_out)
355 portal.owner.portal_out = world;
356 //portal.owner = world;
358 // makes the portal vanish
361 fixedmakevectors(portal.angles);
362 sound(portal, CHAN_PROJECTILE, "porto/explode.wav", VOL_BASE, ATTN_NORM);
363 pointparticles(particleeffectnum("rocket_explode"), portal.origin + v_forward * 16, v_forward * 1024, 4);
368 Portal_MakeBrokenPortal(portal);
369 sound(portal, CHAN_PROJECTILE, "porto/expire.wav", VOL_BASE, ATTN_NORM);
370 SUB_SetFade(portal, time, 0.5);
374 void Portal_Damage(entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
376 if(deathtype == DEATH_TELEFRAG)
378 if(attacker != self.owner)
379 if(IS_INDEPENDENT_PLAYER(attacker) || IS_INDEPENDENT_PLAYER(self.owner))
381 self.health -= damage;
383 Portal_Remove(self, 1);
386 void Portal_Think_TryTeleportPlayer(entity e, vector g)
388 if(!Portal_WillHitPlane(e.origin, e.mins, e.maxs, e.velocity + g, self.origin, v_forward, self.maxs_x))
391 // if e would hit the portal in a frame...
392 // already teleport him
393 tracebox(e.origin, e.mins, e.maxs, e.origin + e.velocity * 2 * frametime, MOVE_NORMAL, e);
394 if(trace_ent == self)
395 Portal_TeleportPlayer(self, e);
403 // portal is being removed?
404 if(self.solid != SOLID_TRIGGER)
405 return; // possibly engine bug
408 error("Portal_Think called for a broken portal\n");
411 self.solid = SOLID_BBOX;
414 g = frametime * '0 0 -1' * cvar("sv_gravity");
416 fixedmakevectors(self.angles);
421 if(IS_INDEPENDENT_PLAYER(e) || IS_INDEPENDENT_PLAYER(o))
422 continue; // cannot go through someone else's portal
424 if(e != o || time >= self.portal_activatetime)
425 Portal_Think_TryTeleportPlayer(e, g);
428 Portal_Think_TryTeleportPlayer(e.hook, g);
430 self.solid = SOLID_TRIGGER;
433 self.nextthink = time;
435 if(time > self.fade_time)
436 Portal_Remove(self, 0);
439 float Portal_Customize()
441 if(other.classname == "spectator")
443 if(other == self.owner)
445 self.modelindex = self.modelindex_lod0;
447 else if(IS_INDEPENDENT_PLAYER(other) || IS_INDEPENDENT_PLAYER(self.owner))
453 self.modelindex = self.modelindex_lod0;
459 // when creating in-portal:
461 // clear existing in-portal
464 // when creating out-portal:
466 // clear existing out-portal
469 // disconnect portals
470 // clear both portals
471 // after timeout of in-portal:
472 // disconnect portals
473 // clear both portals
474 // TODO: ensure only one portal shot at once
475 float Portal_SetInPortal(entity own, entity portal)
480 Portal_Disconnect(own.portal_in, own.portal_out);
481 Portal_Remove(own.portal_in, 0);
483 own.portal_in = portal;
486 own.portal_out.portal_id = portal.portal_id;
487 Portal_Connect(own.portal_in, own.portal_out);
491 float Portal_SetOutPortal(entity own, entity portal)
496 Portal_Disconnect(own.portal_in, own.portal_out);
497 Portal_Remove(own.portal_out, 0);
499 own.portal_out = portal;
502 own.portal_in.portal_id = portal.portal_id;
503 Portal_Connect(own.portal_in, own.portal_out);
507 void Portal_ClearAll_PortalsOnly(entity own)
510 Portal_Remove(own.portal_in, 0);
512 Portal_Remove(own.portal_out, 0);
514 void Portal_ClearAll(entity own)
516 Portal_ClearAll_PortalsOnly(own);
519 void Portal_RemoveLater_Think()
521 Portal_Remove(self, self.cnt);
523 void Portal_RemoveLater(entity portal, float kill)
525 Portal_MakeBrokenPortal(portal);
527 portal.think = Portal_RemoveLater_Think;
528 portal.nextthink = time;
530 void Portal_ClearAllLater_PortalsOnly(entity own)
533 Portal_RemoveLater(own.portal_in, 0);
535 Portal_RemoveLater(own.portal_out, 0);
537 void Portal_ClearAllLater(entity own)
539 Portal_ClearAllLater_PortalsOnly(own);
542 void Portal_ClearWithID(entity own, float id)
545 if(own.portal_in.portal_id == id)
548 Portal_Disconnect(own.portal_in, own.portal_out);
549 Portal_Remove(own.portal_in, 0);
552 if(own.portal_out.portal_id == id)
555 Portal_Disconnect(own.portal_in, own.portal_out);
556 Portal_Remove(own.portal_out, 0);
560 entity Portal_Spawn(entity own, vector org, vector ang)
564 fixedmakevectors(ang);
565 if(!CheckWireframeBox(own, org - 48 * v_right - 48 * v_up + 16 * v_forward, 96 * v_right, 96 * v_up, 96 * v_forward))
569 portal.classname = "portal";
573 portal.think = Portal_Think;
574 portal.nextthink = 0;
575 portal.portal_activatetime = time + 0.1;
576 portal.event_damage = Portal_Damage;
578 portal.fade_time = time + cvar("g_balance_portal_lifetime");
579 portal.health = cvar("g_balance_portal_health");
580 setmodel(portal, "models/portal.md3");
581 portal.modelindex_lod0 = portal.modelindex;
582 portal.customizeentityforclient = Portal_Customize;
584 if(!Portal_FindSafeOrigin(portal))
590 setsize(portal, '-48 -48 -48', '48 48 48');
591 Portal_MakeWaitingPortal(portal);
596 float Portal_SpawnInPortalAtTrace(entity own, vector dir, float portal_id_val)
603 ang = fixedvectoangles2(trace_plane_normal, dir);
604 fixedmakevectors(ang);
606 portal = Portal_Spawn(own, org, ang);
609 // if(!own.portal_out || own.portal_out.portal_id == portal_id_val)
610 Portal_ClearAll_PortalsOnly(own);
614 portal.portal_id = portal_id_val;
615 Portal_SetInPortal(own, portal);
620 float Portal_SpawnOutPortalAtTrace(entity own, vector dir, float portal_id_val)
627 ang = fixedvectoangles2(trace_plane_normal, dir);
628 fixedmakevectors(ang);
630 portal = Portal_Spawn(own, org, ang);
633 // if(!own.portal_in || own.portal_in.portal_id == portal_id_val)
634 Portal_ClearAll_PortalsOnly(own);
638 portal.portal_id = portal_id_val;
639 Portal_SetOutPortal(own, portal);