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.");
155 TeleportPlayer(teleporter, player, to, ang, newvel, teleporter.enemy.absmin, teleporter.enemy.absmax);
158 // telefrag within 1 second of portal creation = amazing
159 if(time < teleporter.teleport_time + 1)
160 announce(player, "announcer/male/amazing.wav");
163 if not(teleporter.enemy)
165 backtrace("Portal_TeleportPlayer ended up without other portal being set AFTER TeleportPlayer. Stop.");
169 // reset fade counter
170 teleporter.portal_wants_to_vanish = 0;
171 teleporter.fade_time = time + cvar("g_balance_portal_lifetime");
172 teleporter.health = cvar("g_balance_portal_health");
173 teleporter.enemy.health = cvar("g_balance_portal_health");
178 float Portal_FindSafeOrigin(entity portal)
182 portal.mins = PL_MIN - SAFERNUDGE;
183 portal.maxs = PL_MAX + SAFERNUDGE;
184 fixedmakevectors(portal.angles);
185 portal.origin += 16 * v_forward;
186 if(!move_out_of_solid(portal))
189 print("NO SAFE ORIGIN\n");
193 portal.portal_safe_origin = portal.origin;
194 setorigin(portal, o);
198 float Portal_WillHitPlane(vector eorg, vector emins, vector emaxs, vector evel, vector porg, vector pnorm, float psize)
200 float dist, distpersec, delta;
203 dist = (eorg - porg) * pnorm;
204 dist += min(emins_x * pnorm_x, emaxs_x * pnorm_x);
205 dist += min(emins_y * pnorm_y, emaxs_y * pnorm_y);
206 dist += min(emins_z * pnorm_z, emaxs_z * pnorm_z);
207 if(dist < -1) // other side?
209 distpersec = evel * pnorm;
210 if(distpersec >= 0) // going away from the portal?
212 delta = dist / distpersec;
213 v = eorg - evel * delta - porg;
214 v = v - pnorm * (pnorm * v);
215 return vlen(v) < psize;
222 // portal is being removed?
223 if(self.solid != SOLID_TRIGGER)
224 return; // possibly engine bug
226 if(other.classname == "player")
227 return; // handled by think
229 if(other.classname == "item_flag_team")
230 return; // never portal these
232 if(other.classname == "grapplinghook")
233 return; // handled by think
236 error("Portal_Touch called for a broken portal\n");
238 if(trace_fraction < 1)
239 return; // only handle TouchAreaGrid ones (only these can teleport)
240 // for some unknown reason, this also gets collisions from SV_Impact sometimes
242 if(other.classname == "porto")
244 if(other.portal_id == self.portal_id)
247 if(time < self.portal_activatetime)
248 if(other == self.owner)
250 self.portal_activatetime = time + 0.1;
253 if(other != self.owner)
254 if(other.classname == "player")
255 if(IS_INDEPENDENT_PLAYER(other) || IS_INDEPENDENT_PLAYER(self.owner))
256 return; // cannot go through someone else's portal
257 if(other.owner != self.owner)
258 if(other.owner.classname == "player")
259 if(IS_INDEPENDENT_PLAYER(other.owner) || IS_INDEPENDENT_PLAYER(self.owner))
260 return; // cannot go through someone else's portal
261 fixedmakevectors(self.angles);
262 g = frametime * '0 0 -1' * cvar("sv_gravity");
263 if(!Portal_WillHitPlane(other.origin, other.mins, other.maxs, other.velocity + g, self.origin, v_forward, self.maxs_x))
267 if(other.mins_x < PL_MIN_x || other.mins_y < PL_MIN_y || other.mins_z < PL_MIN_z
268 || other.maxs_x > PL_MAX_x || other.maxs_y > PL_MAX_y || other.maxs_z > PL_MAX_z)
270 // can't teleport this
275 if(Portal_TeleportPlayer(self, other))
276 if(other.classname == "porto")
277 if(other.effects & EF_RED)
278 other.effects += EF_BLUE - EF_RED;
282 void Portal_MakeBrokenPortal(entity portal)
285 portal.solid = SOLID_NOT;
286 portal.touch = SUB_Null;
287 portal.think = SUB_Null;
289 portal.nextthink = 0;
290 portal.takedamage = DAMAGE_NO;
293 void Portal_MakeWaitingPortal(entity portal)
296 portal.solid = SOLID_NOT;
297 portal.touch = SUB_Null;
298 portal.think = SUB_Null;
299 portal.effects = EF_ADDITIVE;
300 portal.nextthink = 0;
301 portal.takedamage = DAMAGE_YES;
304 void Portal_MakeInPortal(entity portal)
307 portal.solid = SOLID_TRIGGER;
308 portal.touch = Portal_Touch;
309 portal.think = Portal_Think;
310 portal.effects = EF_RED;
311 portal.nextthink = time;
312 portal.takedamage = DAMAGE_NO;
315 void Portal_MakeOutPortal(entity portal)
318 portal.solid = SOLID_NOT;
319 portal.touch = SUB_Null;
320 portal.think = SUB_Null;
321 portal.effects = EF_STARDUST | EF_BLUE;
322 portal.nextthink = 0;
323 portal.takedamage = DAMAGE_YES;
326 void Portal_Disconnect(entity teleporter, entity destination)
328 teleporter.enemy = world;
329 destination.enemy = world;
330 Portal_MakeBrokenPortal(teleporter);
331 Portal_MakeBrokenPortal(destination);
334 void Portal_Connect(entity teleporter, entity destination)
336 teleporter.portal_transform = AnglesTransform_Divide(AnglesTransform_TurnDirection(destination.angles), teleporter.angles);
338 teleporter.enemy = destination;
339 destination.enemy = teleporter;
340 Portal_MakeInPortal(teleporter);
341 Portal_MakeOutPortal(destination);
342 teleporter.fade_time = time + 15;
343 destination.fade_time = time + 15;
344 teleporter.portal_wants_to_vanish = 0;
345 destination.portal_wants_to_vanish = 0;
346 teleporter.teleport_time = time;
349 void Portal_Remove(entity portal, float killed)
356 Portal_Disconnect(portal, e);
357 Portal_Remove(e, killed);
360 if(portal == portal.owner.portal_in)
361 portal.owner.portal_in = world;
362 if(portal == portal.owner.portal_out)
363 portal.owner.portal_out = world;
364 //portal.owner = world;
366 // makes the portal vanish
369 fixedmakevectors(portal.angles);
370 sound(portal, CHAN_PROJECTILE, "porto/explode.wav", VOL_BASE, ATTN_NORM);
371 pointparticles(particleeffectnum("rocket_explode"), portal.origin + v_forward * 16, v_forward * 1024, 4);
376 Portal_MakeBrokenPortal(portal);
377 sound(portal, CHAN_PROJECTILE, "porto/expire.wav", VOL_BASE, ATTN_NORM);
378 SUB_SetFade(portal, time, 0.5);
382 void Portal_Damage(entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
384 if(deathtype == DEATH_TELEFRAG)
386 if(attacker != self.owner)
387 if(IS_INDEPENDENT_PLAYER(attacker) || IS_INDEPENDENT_PLAYER(self.owner))
389 self.health -= damage;
391 Portal_Remove(self, 1);
394 void Portal_Think_TryTeleportPlayer(entity e, vector g)
396 if(!Portal_WillHitPlane(e.origin, e.mins, e.maxs, e.velocity + g, self.origin, v_forward, self.maxs_x))
399 // if e would hit the portal in a frame...
400 // already teleport him
401 tracebox(e.origin, e.mins, e.maxs, e.origin + e.velocity * 2 * frametime, MOVE_NORMAL, e);
402 if(trace_ent == self)
403 Portal_TeleportPlayer(self, e);
411 // portal is being removed?
412 if(self.solid != SOLID_TRIGGER)
413 return; // possibly engine bug
416 error("Portal_Think called for a broken portal\n");
419 self.solid = SOLID_BBOX;
422 g = frametime * '0 0 -1' * cvar("sv_gravity");
424 fixedmakevectors(self.angles);
429 if(IS_INDEPENDENT_PLAYER(e) || IS_INDEPENDENT_PLAYER(o))
430 continue; // cannot go through someone else's portal
432 if(e != o || time >= self.portal_activatetime)
433 Portal_Think_TryTeleportPlayer(e, g);
436 Portal_Think_TryTeleportPlayer(e.hook, g);
438 self.solid = SOLID_TRIGGER;
441 self.nextthink = time;
443 if(time > self.fade_time)
444 Portal_Remove(self, 0);
447 float Portal_Customize()
449 if(other.classname == "spectator")
451 if(other == self.owner)
453 self.modelindex = self.modelindex_lod0;
455 else if(IS_INDEPENDENT_PLAYER(other) || IS_INDEPENDENT_PLAYER(self.owner))
461 self.modelindex = self.modelindex_lod0;
467 // when creating in-portal:
469 // clear existing in-portal
472 // when creating out-portal:
474 // clear existing out-portal
477 // disconnect portals
478 // clear both portals
479 // after timeout of in-portal:
480 // disconnect portals
481 // clear both portals
482 // TODO: ensure only one portal shot at once
483 float Portal_SetInPortal(entity own, entity portal)
488 Portal_Disconnect(own.portal_in, own.portal_out);
489 Portal_Remove(own.portal_in, 0);
491 own.portal_in = portal;
494 own.portal_out.portal_id = portal.portal_id;
495 Portal_Connect(own.portal_in, own.portal_out);
499 float Portal_SetOutPortal(entity own, entity portal)
504 Portal_Disconnect(own.portal_in, own.portal_out);
505 Portal_Remove(own.portal_out, 0);
507 own.portal_out = portal;
510 own.portal_in.portal_id = portal.portal_id;
511 Portal_Connect(own.portal_in, own.portal_out);
515 void Portal_ClearAll_PortalsOnly(entity own)
518 Portal_Remove(own.portal_in, 0);
520 Portal_Remove(own.portal_out, 0);
522 void Portal_ClearAll(entity own)
524 Portal_ClearAll_PortalsOnly(own);
527 void Portal_RemoveLater_Think()
529 Portal_Remove(self, self.cnt);
531 void Portal_RemoveLater(entity portal, float kill)
533 Portal_MakeBrokenPortal(portal);
535 portal.think = Portal_RemoveLater_Think;
536 portal.nextthink = time;
538 void Portal_ClearAllLater_PortalsOnly(entity own)
541 Portal_RemoveLater(own.portal_in, 0);
543 Portal_RemoveLater(own.portal_out, 0);
545 void Portal_ClearAllLater(entity own)
547 Portal_ClearAllLater_PortalsOnly(own);
550 void Portal_ClearWithID(entity own, float id)
553 if(own.portal_in.portal_id == id)
556 Portal_Disconnect(own.portal_in, own.portal_out);
557 Portal_Remove(own.portal_in, 0);
560 if(own.portal_out.portal_id == id)
563 Portal_Disconnect(own.portal_in, own.portal_out);
564 Portal_Remove(own.portal_out, 0);
568 entity Portal_Spawn(entity own, vector org, vector ang)
572 fixedmakevectors(ang);
573 if(!CheckWireframeBox(own, org - 48 * v_right - 48 * v_up + 16 * v_forward, 96 * v_right, 96 * v_up, 96 * v_forward))
577 portal.classname = "portal";
581 portal.think = Portal_Think;
582 portal.nextthink = 0;
583 portal.portal_activatetime = time + 0.1;
584 portal.event_damage = Portal_Damage;
586 portal.fade_time = time + cvar("g_balance_portal_lifetime");
587 portal.health = cvar("g_balance_portal_health");
588 setmodel(portal, "models/portal.md3");
589 portal.modelindex_lod0 = portal.modelindex;
590 portal.customizeentityforclient = Portal_Customize;
592 if(!Portal_FindSafeOrigin(portal))
598 setsize(portal, '-48 -48 -48', '48 48 48');
599 Portal_MakeWaitingPortal(portal);
604 float Portal_SpawnInPortalAtTrace(entity own, vector dir, float portal_id_val)
611 ang = fixedvectoangles2(trace_plane_normal, dir);
612 fixedmakevectors(ang);
614 portal = Portal_Spawn(own, org, ang);
617 // if(!own.portal_out || own.portal_out.portal_id == portal_id_val)
618 Portal_ClearAll_PortalsOnly(own);
622 portal.portal_id = portal_id_val;
623 Portal_SetInPortal(own, portal);
628 float Portal_SpawnOutPortalAtTrace(entity own, vector dir, float portal_id_val)
635 ang = fixedvectoangles2(trace_plane_normal, dir);
636 fixedmakevectors(ang);
638 portal = Portal_Spawn(own, org, ang);
641 // if(!own.portal_in || own.portal_in.portal_id == portal_id_val)
642 Portal_ClearAll_PortalsOnly(own);
646 portal.portal_id = portal_id_val;
647 Portal_SetOutPortal(own, portal);