2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // world.c -- world query functions
26 entities never clip against themselves, or their owner
28 line of sight checks trace->inopen and trace->inwater, but bullets don't
32 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0"};
33 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64"};
35 void SV_AreaStats_f(void);
37 void SV_World_Init(void)
39 Cvar_RegisterVariable(&sv_debugmove);
40 Cvar_RegisterVariable(&sv_areagrid_mingridsize);
41 Cmd_AddCommand("sv_areastats", SV_AreaStats_f);
45 //============================================================================
47 // ClearLink is used for new headnodes
48 static void ClearLink (link_t *l)
51 l->prev = l->next = l;
54 static void RemoveLink (link_t *l)
56 l->next->prev = l->prev;
57 l->prev->next = l->next;
60 static void InsertLinkBefore (link_t *l, link_t *before, int entitynumber)
62 l->entitynumber = entitynumber;
64 l->prev = before->prev;
71 ===============================================================================
75 ===============================================================================
78 int sv_areagrid_stats_calls = 0;
79 int sv_areagrid_stats_nodechecks = 0;
80 int sv_areagrid_stats_entitychecks = 0;
82 void SV_AreaStats_f(void)
84 Con_Printf("areagrid check stats: %d calls %d nodes (%f per call) %d entities (%f per call)\n", sv_areagrid_stats_calls, sv_areagrid_stats_nodechecks, (double) sv_areagrid_stats_nodechecks / (double) sv_areagrid_stats_calls, sv_areagrid_stats_entitychecks, (double) sv_areagrid_stats_entitychecks / (double) sv_areagrid_stats_calls);
85 sv_areagrid_stats_calls = 0;
86 sv_areagrid_stats_nodechecks = 0;
87 sv_areagrid_stats_entitychecks = 0;
90 typedef struct areagrid_s
97 #define AREA_GRIDNODES (AREA_GRID * AREA_GRID)
99 static areagrid_t sv_areagrid[AREA_GRIDNODES], sv_areagrid_outside;
100 static vec3_t sv_areagrid_bias, sv_areagrid_scale, sv_areagrid_mins, sv_areagrid_maxs, sv_areagrid_size;
101 static int sv_areagrid_marknumber = 1;
103 void SV_CreateAreaGrid (vec3_t mins, vec3_t maxs)
106 ClearLink (&sv_areagrid_outside.edicts);
107 // choose either the world box size, or a larger box to ensure the grid isn't too fine
108 sv_areagrid_size[0] = max(maxs[0] - mins[0], AREA_GRID * sv_areagrid_mingridsize.value);
109 sv_areagrid_size[1] = max(maxs[1] - mins[1], AREA_GRID * sv_areagrid_mingridsize.value);
110 sv_areagrid_size[2] = max(maxs[2] - mins[2], AREA_GRID * sv_areagrid_mingridsize.value);
111 // figure out the corners of such a box, centered at the center of the world box
112 sv_areagrid_mins[0] = (mins[0] + maxs[0] - sv_areagrid_size[0]) * 0.5f;
113 sv_areagrid_mins[1] = (mins[1] + maxs[1] - sv_areagrid_size[1]) * 0.5f;
114 sv_areagrid_mins[2] = (mins[2] + maxs[2] - sv_areagrid_size[2]) * 0.5f;
115 sv_areagrid_maxs[0] = (mins[0] + maxs[0] + sv_areagrid_size[0]) * 0.5f;
116 sv_areagrid_maxs[1] = (mins[1] + maxs[1] + sv_areagrid_size[1]) * 0.5f;
117 sv_areagrid_maxs[2] = (mins[2] + maxs[2] + sv_areagrid_size[2]) * 0.5f;
118 // now calculate the actual useful info from that
119 VectorNegate(sv_areagrid_mins, sv_areagrid_bias);
120 sv_areagrid_scale[0] = AREA_GRID / sv_areagrid_size[0];
121 sv_areagrid_scale[1] = AREA_GRID / sv_areagrid_size[1];
122 sv_areagrid_scale[2] = AREA_GRID / sv_areagrid_size[2];
123 for (i = 0;i < AREA_GRIDNODES;i++)
125 ClearLink (&sv_areagrid[i].edicts);
127 Con_DPrintf("sv_areagrid settings: divisions %ix%ix1 : box %f %f %f : %f %f %f size %f %f %f grid %f %f %f (mingrid %f)\n", AREA_GRID, AREA_GRID, sv_areagrid_mins[0], sv_areagrid_mins[1], sv_areagrid_mins[2], sv_areagrid_maxs[0], sv_areagrid_maxs[1], sv_areagrid_maxs[2], sv_areagrid_size[0], sv_areagrid_size[1], sv_areagrid_size[2], 1.0f / sv_areagrid_scale[0], 1.0f / sv_areagrid_scale[1], 1.0f / sv_areagrid_scale[2], sv_areagrid_mingridsize.value);
136 void SV_ClearWorld (void)
138 Mod_CheckLoaded(sv.worldmodel);
139 SV_CreateAreaGrid(sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
149 void SV_UnlinkEdict (prvm_edict_t *ent)
152 for (i = 0;i < ENTITYGRIDAREAS;i++)
154 if (ent->priv.server->areagrid[i].prev)
156 RemoveLink (&ent->priv.server->areagrid[i]);
157 ent->priv.server->areagrid[i].prev = ent->priv.server->areagrid[i].next = NULL;
162 int SV_EntitiesInBox(vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
168 int igrid[3], igridmins[3], igridmaxs[3];
170 sv_areagrid_stats_calls++;
171 sv_areagrid_marknumber++;
172 igridmins[0] = (int) ((mins[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
173 igridmins[1] = (int) ((mins[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
174 //igridmins[2] = (int) ((mins[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
175 igridmaxs[0] = (int) ((maxs[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
176 igridmaxs[1] = (int) ((maxs[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
177 //igridmaxs[2] = (int) ((maxs[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
178 igridmins[0] = max(0, igridmins[0]);
179 igridmins[1] = max(0, igridmins[1]);
180 //igridmins[2] = max(0, igridmins[2]);
181 igridmaxs[0] = min(AREA_GRID, igridmaxs[0]);
182 igridmaxs[1] = min(AREA_GRID, igridmaxs[1]);
183 //igridmaxs[2] = min(AREA_GRID, igridmaxs[2]);
186 // add entities not linked into areagrid because they are too big or
187 // outside the grid bounds
188 if (sv_areagrid_outside.edicts.next != &sv_areagrid_outside.edicts)
190 for (l = sv_areagrid_outside.edicts.next;l != &sv_areagrid_outside.edicts;l = l->next)
192 ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
193 if (ent->priv.server->areagridmarknumber != sv_areagrid_marknumber)
195 ent->priv.server->areagridmarknumber = sv_areagrid_marknumber;
196 if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.server->absmin, ent->fields.server->absmax))
198 if (numlist < maxlist)
202 sv_areagrid_stats_entitychecks++;
206 // add grid linked entities
207 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
209 grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0];
210 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
212 if (grid->edicts.next != &grid->edicts)
214 for (l = grid->edicts.next;l != &grid->edicts;l = l->next)
216 ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
217 if (ent->priv.server->areagridmarknumber != sv_areagrid_marknumber)
219 ent->priv.server->areagridmarknumber = sv_areagrid_marknumber;
220 if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.server->absmin, ent->fields.server->absmax))
222 if (numlist < maxlist)
227 sv_areagrid_stats_entitychecks++;
235 void SV_TouchAreaGrid(prvm_edict_t *ent)
237 int i, numtouchedicts, old_self, old_other;
238 prvm_edict_t *touch, *touchedicts[MAX_EDICTS];
240 // build a list of edicts to touch, because the link loop can be corrupted
241 // by SV_IncreaseEdicts called during touch functions
242 numtouchedicts = SV_EntitiesInBox(ent->fields.server->absmin, ent->fields.server->absmax, MAX_EDICTS, touchedicts);
243 if (numtouchedicts > MAX_EDICTS)
245 // this never happens
246 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
247 numtouchedicts = MAX_EDICTS;
250 old_self = prog->globals.server->self;
251 old_other = prog->globals.server->other;
252 for (i = 0;i < numtouchedicts;i++)
254 touch = touchedicts[i];
255 if (touch != ent && (int)touch->fields.server->solid == SOLID_TRIGGER && touch->fields.server->touch)
257 prog->globals.server->self = PRVM_EDICT_TO_PROG(touch);
258 prog->globals.server->other = PRVM_EDICT_TO_PROG(ent);
259 prog->globals.server->time = sv.time;
260 PRVM_ExecuteProgram (touch->fields.server->touch, "QC function self.touch is missing");
263 prog->globals.server->self = old_self;
264 prog->globals.server->other = old_other;
267 void SV_LinkEdict_AreaGrid(prvm_edict_t *ent)
270 int igrid[3], igridmins[3], igridmaxs[3], gridnum, entitynumber = PRVM_NUM_FOR_EDICT(ent);
272 if (entitynumber <= 0 || entitynumber >= prog->max_edicts || PRVM_EDICT_NUM(entitynumber) != ent)
274 Con_Printf ("SV_LinkEdict_AreaGrid: invalid edict %p (edicts is %p, edict compared to prog->edicts is %i)\n", ent, prog->edicts, entitynumber);
278 igridmins[0] = (int) ((ent->fields.server->absmin[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
279 igridmins[1] = (int) ((ent->fields.server->absmin[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
280 //igridmins[2] = (int) ((ent->fields.server->absmin[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
281 igridmaxs[0] = (int) ((ent->fields.server->absmax[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
282 igridmaxs[1] = (int) ((ent->fields.server->absmax[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
283 //igridmaxs[2] = (int) ((ent->fields.server->absmax[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
284 if (igridmins[0] < 0 || igridmaxs[0] > AREA_GRID || igridmins[1] < 0 || igridmaxs[1] > AREA_GRID || ((igridmaxs[0] - igridmins[0]) * (igridmaxs[1] - igridmins[1])) > ENTITYGRIDAREAS)
286 // wow, something outside the grid, store it as such
287 InsertLinkBefore (&ent->priv.server->areagrid[0], &sv_areagrid_outside.edicts, entitynumber);
292 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
294 grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0];
295 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++, gridnum++)
296 InsertLinkBefore (&ent->priv.server->areagrid[gridnum], &grid->edicts, entitynumber);
306 void SV_LinkEdict (prvm_edict_t *ent, qboolean touch_triggers)
310 if (ent->priv.server->areagrid[0].prev)
311 SV_UnlinkEdict (ent); // unlink from old position
313 if (ent == prog->edicts)
314 return; // don't add the world
316 if (ent->priv.server->free)
321 if (ent->fields.server->solid == SOLID_BSP)
323 int modelindex = ent->fields.server->modelindex;
324 if (modelindex < 0 || modelindex > MAX_MODELS)
326 Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
329 model = sv.models[modelindex];
332 Mod_CheckLoaded(model);
333 if (!model->TraceBox)
334 Con_Printf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
336 if (ent->fields.server->angles[0] || ent->fields.server->angles[2] || ent->fields.server->avelocity[0] || ent->fields.server->avelocity[2])
338 VectorAdd(ent->fields.server->origin, model->rotatedmins, ent->fields.server->absmin);
339 VectorAdd(ent->fields.server->origin, model->rotatedmaxs, ent->fields.server->absmax);
341 else if (ent->fields.server->angles[1] || ent->fields.server->avelocity[1])
343 VectorAdd(ent->fields.server->origin, model->yawmins, ent->fields.server->absmin);
344 VectorAdd(ent->fields.server->origin, model->yawmaxs, ent->fields.server->absmax);
348 VectorAdd(ent->fields.server->origin, model->normalmins, ent->fields.server->absmin);
349 VectorAdd(ent->fields.server->origin, model->normalmaxs, ent->fields.server->absmax);
354 // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
355 VectorAdd(ent->fields.server->origin, ent->fields.server->mins, ent->fields.server->absmin);
356 VectorAdd(ent->fields.server->origin, ent->fields.server->maxs, ent->fields.server->absmax);
361 VectorAdd(ent->fields.server->origin, ent->fields.server->mins, ent->fields.server->absmin);
362 VectorAdd(ent->fields.server->origin, ent->fields.server->maxs, ent->fields.server->absmax);
366 // to make items easier to pick up and allow them to be grabbed off
367 // of shelves, the abs sizes are expanded
369 if ((int)ent->fields.server->flags & FL_ITEM)
371 ent->fields.server->absmin[0] -= 15;
372 ent->fields.server->absmin[1] -= 15;
373 ent->fields.server->absmin[2] -= 1;
374 ent->fields.server->absmax[0] += 15;
375 ent->fields.server->absmax[1] += 15;
376 ent->fields.server->absmax[2] += 1;
380 // because movement is clipped an epsilon away from an actual edge,
381 // we must fully check even when bounding boxes don't quite touch
382 ent->fields.server->absmin[0] -= 1;
383 ent->fields.server->absmin[1] -= 1;
384 ent->fields.server->absmin[2] -= 1;
385 ent->fields.server->absmax[0] += 1;
386 ent->fields.server->absmax[1] += 1;
387 ent->fields.server->absmax[2] += 1;
390 if (ent->fields.server->solid == SOLID_NOT)
393 SV_LinkEdict_AreaGrid(ent);
395 // if touch_triggers, touch all entities at this node and descend for more
397 SV_TouchAreaGrid(ent);
403 ===============================================================================
405 POINT TESTING IN HULLS
407 ===============================================================================
412 SV_TestEntityPosition
414 This could be a lot more efficient...
417 int SV_TestEntityPosition (prvm_edict_t *ent)
419 return SV_Move (ent->fields.server->origin, ent->fields.server->mins, ent->fields.server->maxs, ent->fields.server->origin, MOVE_NORMAL, ent).startsolid;
424 ===============================================================================
426 LINE TESTING IN HULLS
428 ===============================================================================
435 Handles selection or creation of a clipping hull, and offseting (and
436 eventually rotation) of the end points
439 trace_t SV_ClipMoveToEntity(prvm_edict_t *ent, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int movetype, int hitsupercontents)
442 model_t *model = NULL;
443 matrix4x4_t matrix, imatrix;
444 float tempnormal[3], starttransformed[3], endtransformed[3];
445 float starttransformedmins[3], starttransformedmaxs[3], endtransformedmins[3], endtransformedmaxs[3];
447 memset(&trace, 0, sizeof(trace));
448 trace.fraction = trace.realfraction = 1;
449 VectorCopy(end, trace.endpos);
451 if ((int) ent->fields.server->solid == SOLID_BSP || movetype == MOVE_HITMODEL)
453 unsigned int modelindex = ent->fields.server->modelindex;
454 // if the modelindex is 0, it shouldn't be SOLID_BSP!
457 Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with no model\n", PRVM_NUM_FOR_EDICT(ent));
460 if (modelindex >= MAX_MODELS)
462 Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with invalid modelindex\n", PRVM_NUM_FOR_EDICT(ent));
465 model = sv.models[modelindex];
466 if (modelindex != 0 && model == NULL)
468 Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with invalid modelindex\n", PRVM_NUM_FOR_EDICT(ent));
472 Mod_CheckLoaded(model);
473 if ((int) ent->fields.server->solid == SOLID_BSP)
475 if (!model->TraceBox)
477 Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with a non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
480 //if (ent->fields.server->movetype != MOVETYPE_PUSH)
482 // Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP without MOVETYPE_PUSH\n", PRVM_NUM_FOR_EDICT(ent));
486 Matrix4x4_CreateFromQuakeEntity(&matrix, ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2], ent->fields.server->angles[0], ent->fields.server->angles[1], ent->fields.server->angles[2], 1);
489 Matrix4x4_CreateTranslate(&matrix, ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2]);
491 Matrix4x4_Invert_Simple(&imatrix, &matrix);
492 Matrix4x4_Transform(&imatrix, start, starttransformed);
493 Matrix4x4_Transform(&imatrix, end, endtransformed);
494 #if COLLISIONPARANOID >= 3
495 Con_Printf("trans(%f %f %f -> %f %f %f, %f %f %f -> %f %f %f)", start[0], start[1], start[2], starttransformed[0], starttransformed[1], starttransformed[2], end[0], end[1], end[2], endtransformed[0], endtransformed[1], endtransformed[2]);
498 if (model && model->TraceBox)
501 frame = (int)ent->fields.server->frame;
502 frame = bound(0, frame, (model->numframes - 1));
503 VectorAdd(starttransformed, maxs, starttransformedmaxs);
504 VectorAdd(endtransformed, maxs, endtransformedmaxs);
505 VectorAdd(starttransformed, mins, starttransformedmins);
506 VectorAdd(endtransformed, mins, endtransformedmins);
507 model->TraceBox(model, frame, &trace, starttransformedmins, starttransformedmaxs, endtransformedmins, endtransformedmaxs, hitsupercontents);
510 Collision_ClipTrace_Box(&trace, ent->fields.server->mins, ent->fields.server->maxs, starttransformed, mins, maxs, endtransformed, hitsupercontents, SUPERCONTENTS_SOLID);
511 trace.fraction = bound(0, trace.fraction, 1);
512 trace.realfraction = bound(0, trace.realfraction, 1);
514 if (trace.fraction < 1)
516 VectorLerp(start, trace.fraction, end, trace.endpos);
517 VectorCopy(trace.plane.normal, tempnormal);
518 Matrix4x4_Transform3x3(&matrix, tempnormal, trace.plane.normal);
519 // FIXME: should recalc trace.plane.dist
522 VectorCopy(end, trace.endpos);
527 //===========================================================================
534 #if COLLISIONPARANOID >= 1
535 trace_t SV_Move_(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
537 trace_t SV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
540 vec3_t hullmins, hullmaxs;
542 int hitsupercontentsmask;
545 prvm_edict_t *traceowner, *touch;
547 // bounding box of entire move area
548 vec3_t clipboxmins, clipboxmaxs;
549 // size of the moving object
550 vec3_t clipmins, clipmaxs;
551 // size when clipping against monsters
552 vec3_t clipmins2, clipmaxs2;
553 // start and end origin of move
554 vec3_t clipstart, clipend;
558 prvm_edict_t *touchedicts[MAX_EDICTS];
560 VectorCopy(start, clipstart);
561 VectorCopy(end, clipend);
562 VectorCopy(mins, clipmins);
563 VectorCopy(maxs, clipmaxs);
564 VectorCopy(mins, clipmins2);
565 VectorCopy(maxs, clipmaxs2);
566 #if COLLISIONPARANOID >= 3
567 Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
570 hitsupercontentsmask = SUPERCONTENTS_SOLID;
573 if (passedict->fields.server->solid == SOLID_SLIDEBOX)
574 hitsupercontentsmask |= SUPERCONTENTS_PLAYERCLIP;
575 if ((int)passedict->fields.server->flags & FL_MONSTER)
576 hitsupercontentsmask |= SUPERCONTENTS_MONSTERCLIP;
580 cliptrace = SV_ClipMoveToEntity(prog->edicts, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
581 if (cliptrace.startsolid || cliptrace.fraction < 1)
582 cliptrace.ent = prog->edicts;
583 if (type == MOVE_WORLDONLY)
586 if (type == MOVE_MISSILE)
588 // LordHavoc: modified this, was = -15, now -= 15
589 for (i = 0;i < 3;i++)
596 // get adjusted box for bmodel collisions if the world is q1bsp or hlbsp
597 if (sv.worldmodel && sv.worldmodel->brush.RoundUpToHullSize)
598 sv.worldmodel->brush.RoundUpToHullSize(sv.worldmodel, clipmins, clipmaxs, hullmins, hullmaxs);
601 VectorCopy(clipmins, hullmins);
602 VectorCopy(clipmaxs, hullmaxs);
605 // create the bounding box of the entire move
606 for (i = 0;i < 3;i++)
608 clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + min(hullmins[i], clipmins2[i]) - 1;
609 clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + max(hullmaxs[i], clipmaxs2[i]) + 1;
612 // debug override to test against everything
613 if (sv_debugmove.integer)
615 clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
616 clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] = 999999999;
619 // if the passedict is world, make it NULL (to avoid two checks each time)
620 if (passedict == prog->edicts)
622 // precalculate prog value for passedict for comparisons
623 passedictprog = PRVM_EDICT_TO_PROG(passedict);
624 // figure out whether this is a point trace for comparisons
625 pointtrace = VectorCompare(clipmins, clipmaxs);
626 // precalculate passedict's owner edict pointer for comparisons
627 traceowner = passedict ? PRVM_PROG_TO_EDICT(passedict->fields.server->owner) : 0;
630 numtouchedicts = SV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
631 if (numtouchedicts > MAX_EDICTS)
633 // this never happens
634 Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
635 numtouchedicts = MAX_EDICTS;
637 for (i = 0;i < numtouchedicts;i++)
639 touch = touchedicts[i];
641 if (touch->fields.server->solid < SOLID_BBOX)
643 if (type == MOVE_NOMONSTERS && touch->fields.server->solid != SOLID_BSP)
648 // don't clip against self
649 if (passedict == touch)
651 // don't clip owned entities against owner
652 if (traceowner == touch)
654 // don't clip owner against owned entities
655 if (passedictprog == touch->fields.server->owner)
657 // don't clip points against points (they can't collide)
658 if (pointtrace && VectorCompare(touch->fields.server->mins, touch->fields.server->maxs) && (type != MOVE_MISSILE || !((int)touch->fields.server->flags & FL_MONSTER)))
660 // don't clip corpse against character
661 if (passedict->fields.server->solid == SOLID_CORPSE && (touch->fields.server->solid == SOLID_SLIDEBOX || touch->fields.server->solid == SOLID_CORPSE))
663 // don't clip character against corpse
664 if (passedict->fields.server->solid == SOLID_SLIDEBOX && touch->fields.server->solid == SOLID_CORPSE)
668 // might interact, so do an exact clip
669 if ((int)touch->fields.server->flags & FL_MONSTER)
670 trace = SV_ClipMoveToEntity(touch, clipstart, clipmins2, clipmaxs2, clipend, type, hitsupercontentsmask);
672 trace = SV_ClipMoveToEntity(touch, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
673 // LordHavoc: take the 'best' answers from the new trace and combine with existing data
675 cliptrace.allsolid = true;
676 if (trace.startsolid)
678 cliptrace.startsolid = true;
679 if (cliptrace.realfraction == 1)
680 cliptrace.ent = touch;
682 // don't set this except on the world, because it can easily confuse
683 // monsters underwater if there's a bmodel involved in the trace
684 // (inopen && inwater is how they check water visibility)
686 // cliptrace.inopen = true;
688 cliptrace.inwater = true;
689 if (trace.realfraction < cliptrace.realfraction)
691 cliptrace.fraction = trace.fraction;
692 cliptrace.realfraction = trace.realfraction;
693 VectorCopy(trace.endpos, cliptrace.endpos);
694 cliptrace.plane = trace.plane;
695 cliptrace.ent = touch;
697 cliptrace.startsupercontents |= trace.startsupercontents;
703 #if COLLISIONPARANOID >= 1
704 trace_t SV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
709 trace = SV_Move_(start, mins, maxs, end, type, passedict);
712 VectorCopy(trace.endpos, temp);
713 endstuck = SV_Move_(temp, mins, maxs, temp, type, passedict).startsolid;
714 #if COLLISIONPARANOID < 3
715 if (trace.startsolid || endstuck)
717 Con_Printf("%s{e%i:%f %f %f:%f %f %f:%f:%f %f %f%s%s}\n", (trace.startsolid || endstuck) ? "\002" : "", passedict ? passedict - prog->edicts : -1, passedict->fields.server->origin[0], passedict->fields.server->origin[1], passedict->fields.server->origin[2], end[0] - passedict->fields.server->origin[0], end[1] - passedict->fields.server->origin[1], end[2] - passedict->fields.server->origin[2], trace.fraction, trace.endpos[0] - passedict->fields.server->origin[0], trace.endpos[1] - passedict->fields.server->origin[1], trace.endpos[2] - passedict->fields.server->origin[2], trace.startsolid ? " startstuck" : "", endstuck ? " endstuck" : "");
723 int SV_PointSuperContents(const vec3_t point)
725 return SV_Move(point, vec3_origin, vec3_origin, point, sv_gameplayfix_swiminbmodels.integer ? MOVE_NOMONSTERS : MOVE_WORLDONLY, NULL).startsupercontents;
728 int SV_PointQ1Contents(const vec3_t point)
730 return Mod_Q1BSP_NativeContentsFromSuperContents(NULL, SV_PointSuperContents(point));