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);
47 // bounding box of entire move area
48 vec3_t boxmins, boxmaxs;
50 // size of the moving object
53 // size when clipping against monsters
56 // size when clipping against brush models
57 vec3_t hullmins, hullmaxs;
59 // start and end origin of move
65 // type of move (like ignoring monsters, or similar)
68 // the edict that is moving (if any)
73 //============================================================================
75 // ClearLink is used for new headnodes
76 static void ClearLink (link_t *l)
79 l->prev = l->next = l;
82 static void RemoveLink (link_t *l)
84 l->next->prev = l->prev;
85 l->prev->next = l->next;
88 static void InsertLinkBefore (link_t *l, link_t *before, int entitynumber)
90 l->entitynumber = entitynumber;
92 l->prev = before->prev;
99 ===============================================================================
103 ===============================================================================
106 int sv_areagrid_stats_calls = 0;
107 int sv_areagrid_stats_nodechecks = 0;
108 int sv_areagrid_stats_entitychecks = 0;
110 void SV_AreaStats_f(void)
112 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);
113 sv_areagrid_stats_calls = 0;
114 sv_areagrid_stats_nodechecks = 0;
115 sv_areagrid_stats_entitychecks = 0;
118 typedef struct areagrid_s
120 link_t trigger_edicts;
125 #define AREA_GRID 512
126 #define AREA_GRIDNODES (AREA_GRID * AREA_GRID)
128 static areagrid_t sv_areagrid[AREA_GRIDNODES], sv_areagrid_outside;
129 static vec3_t sv_areagrid_bias, sv_areagrid_scale, sv_areagrid_mins, sv_areagrid_maxs, sv_areagrid_size;
130 static int sv_areagrid_marknumber = 1;
132 void SV_CreateAreaGrid (vec3_t mins, vec3_t maxs)
135 ClearLink (&sv_areagrid_outside.trigger_edicts);
136 ClearLink (&sv_areagrid_outside.solid_edicts);
137 // choose either the world box size, or a larger box to ensure the grid isn't too fine
138 sv_areagrid_size[0] = max(maxs[0] - mins[0], AREA_GRID * sv_areagrid_mingridsize.value);
139 sv_areagrid_size[1] = max(maxs[1] - mins[1], AREA_GRID * sv_areagrid_mingridsize.value);
140 sv_areagrid_size[2] = max(maxs[2] - mins[2], AREA_GRID * sv_areagrid_mingridsize.value);
141 // figure out the corners of such a box, centered at the center of the world box
142 sv_areagrid_mins[0] = (mins[0] + maxs[0] - sv_areagrid_size[0]) * 0.5f;
143 sv_areagrid_mins[1] = (mins[1] + maxs[1] - sv_areagrid_size[1]) * 0.5f;
144 sv_areagrid_mins[2] = (mins[2] + maxs[2] - sv_areagrid_size[2]) * 0.5f;
145 sv_areagrid_maxs[0] = (mins[0] + maxs[0] + sv_areagrid_size[0]) * 0.5f;
146 sv_areagrid_maxs[1] = (mins[1] + maxs[1] + sv_areagrid_size[1]) * 0.5f;
147 sv_areagrid_maxs[2] = (mins[2] + maxs[2] + sv_areagrid_size[2]) * 0.5f;
148 // now calculate the actual useful info from that
149 VectorNegate(sv_areagrid_mins, sv_areagrid_bias);
150 sv_areagrid_scale[0] = AREA_GRID / sv_areagrid_size[0];
151 sv_areagrid_scale[1] = AREA_GRID / sv_areagrid_size[1];
152 sv_areagrid_scale[2] = AREA_GRID / sv_areagrid_size[2];
153 for (i = 0;i < AREA_GRIDNODES;i++)
155 ClearLink (&sv_areagrid[i].trigger_edicts);
156 ClearLink (&sv_areagrid[i].solid_edicts);
158 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);
167 void SV_ClearWorld (void)
169 Mod_CheckLoaded(sv.worldmodel);
170 SV_CreateAreaGrid(sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
180 void SV_UnlinkEdict (edict_t *ent)
183 for (i = 0;i < ENTITYGRIDAREAS;i++)
185 if (ent->e->areagrid[i].prev)
187 RemoveLink (&ent->e->areagrid[i]);
188 ent->e->areagrid[i].prev = ent->e->areagrid[i].next = NULL;
194 void SV_TouchAreaGrid(edict_t *ent)
199 int old_self, old_other, igrid[3], igridmins[3], igridmaxs[3];
201 sv_areagrid_marknumber++;
202 igridmins[0] = (int) ((ent->v->absmin[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
203 igridmins[1] = (int) ((ent->v->absmin[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
204 //igridmins[2] = (int) ((ent->v->absmin[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
205 igridmaxs[0] = (int) ((ent->v->absmax[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
206 igridmaxs[1] = (int) ((ent->v->absmax[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
207 //igridmaxs[2] = (int) ((ent->v->absmax[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
208 igridmins[0] = max(0, igridmins[0]);
209 igridmins[1] = max(0, igridmins[1]);
210 //igridmins[2] = max(0, igridmins[2]);
211 igridmaxs[0] = min(AREA_GRID, igridmaxs[0]);
212 igridmaxs[1] = min(AREA_GRID, igridmaxs[1]);
213 //igridmaxs[2] = min(AREA_GRID, igridmaxs[2]);
215 for (l = sv_areagrid_outside.trigger_edicts.next;l != &sv_areagrid_outside.trigger_edicts;l = next)
218 touch = EDICT_NUM(l->entitynumber);
219 if (ent->v->absmin[0] > touch->v->absmax[0]
220 || ent->v->absmax[0] < touch->v->absmin[0]
221 || ent->v->absmin[1] > touch->v->absmax[1]
222 || ent->v->absmax[1] < touch->v->absmin[1]
223 || ent->v->absmin[2] > touch->v->absmax[2]
224 || ent->v->absmax[2] < touch->v->absmin[2])
228 if (!touch->v->touch || touch->v->solid != SOLID_TRIGGER)
230 old_self = pr_global_struct->self;
231 old_other = pr_global_struct->other;
233 pr_global_struct->self = EDICT_TO_PROG(touch);
234 pr_global_struct->other = EDICT_TO_PROG(ent);
235 pr_global_struct->time = sv.time;
236 PR_ExecuteProgram (touch->v->touch, "");
238 pr_global_struct->self = old_self;
239 pr_global_struct->other = old_other;
242 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
244 grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0];
245 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
247 for (l = grid->trigger_edicts.next;l != &grid->trigger_edicts;l = next)
250 touch = EDICT_NUM(l->entitynumber);
251 if (touch->e->areagridmarknumber == sv_areagrid_marknumber)
253 touch->e->areagridmarknumber = sv_areagrid_marknumber;
254 if (ent->v->absmin[0] > touch->v->absmax[0]
255 || ent->v->absmax[0] < touch->v->absmin[0]
256 || ent->v->absmin[1] > touch->v->absmax[1]
257 || ent->v->absmax[1] < touch->v->absmin[1]
258 || ent->v->absmin[2] > touch->v->absmax[2]
259 || ent->v->absmax[2] < touch->v->absmin[2])
261 // LordHavoc: id bug that won't be fixed: triggers do not ignore their owner like solid objects do
264 if (!touch->v->touch || touch->v->solid != SOLID_TRIGGER)
266 old_self = pr_global_struct->self;
267 old_other = pr_global_struct->other;
269 pr_global_struct->self = EDICT_TO_PROG(touch);
270 pr_global_struct->other = EDICT_TO_PROG(ent);
271 pr_global_struct->time = sv.time;
272 PR_ExecuteProgram (touch->v->touch, "");
274 pr_global_struct->self = old_self;
275 pr_global_struct->other = old_other;
281 void SV_LinkEdict_AreaGrid(edict_t *ent)
284 int igrid[3], igridmins[3], igridmaxs[3], gridnum, entitynumber = NUM_FOR_EDICT(ent);
286 if (entitynumber <= 0 || entitynumber >= sv.max_edicts || EDICT_NUM(entitynumber) != ent)
287 Host_Error("SV_LinkEdict_AreaGrid: invalid edict %p (sv.edicts is %p, edict compared to sv.edicts is %i)\n", ent, sv.edicts, entitynumber);
289 igridmins[0] = (int) ((ent->v->absmin[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
290 igridmins[1] = (int) ((ent->v->absmin[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
291 //igridmins[2] = (int) ((ent->v->absmin[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
292 igridmaxs[0] = (int) ((ent->v->absmax[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
293 igridmaxs[1] = (int) ((ent->v->absmax[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
294 //igridmaxs[2] = (int) ((ent->v->absmax[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
295 if (igridmins[0] < 0 || igridmaxs[0] > AREA_GRID || igridmins[1] < 0 || igridmaxs[1] > AREA_GRID || ((igridmaxs[0] - igridmins[0]) * (igridmaxs[1] - igridmins[1])) > ENTITYGRIDAREAS)
297 // wow, something outside the grid, store it as such
298 if (ent->v->solid == SOLID_TRIGGER)
299 InsertLinkBefore (&ent->e->areagrid[0], &sv_areagrid_outside.trigger_edicts, entitynumber);
301 InsertLinkBefore (&ent->e->areagrid[0], &sv_areagrid_outside.solid_edicts, entitynumber);
306 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
308 grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0];
309 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++, gridnum++)
311 if (ent->v->solid == SOLID_TRIGGER)
312 InsertLinkBefore (&ent->e->areagrid[gridnum], &grid->trigger_edicts, entitynumber);
314 InsertLinkBefore (&ent->e->areagrid[gridnum], &grid->solid_edicts, entitynumber);
325 void SV_LinkEdict (edict_t *ent, qboolean touch_triggers)
329 if (ent->e->areagrid[0].prev)
330 SV_UnlinkEdict (ent); // unlink from old position
332 if (ent == sv.edicts)
333 return; // don't add the world
340 if (ent->v->solid == SOLID_BSP)
342 if (ent->v->modelindex < 0 || ent->v->modelindex > MAX_MODELS)
343 Host_Error("SOLID_BSP with invalid modelindex!\n");
344 model = sv.models[(int) ent->v->modelindex];
347 Mod_CheckLoaded(model);
348 if (!model->brush.TraceBox)
349 Host_Error("SOLID_BSP with non-BSP model\n");
351 if (ent->v->angles[0] || ent->v->angles[2] || ent->v->avelocity[0] || ent->v->avelocity[2])
353 VectorAdd(ent->v->origin, model->rotatedmins, ent->v->absmin);
354 VectorAdd(ent->v->origin, model->rotatedmaxs, ent->v->absmax);
356 else if (ent->v->angles[1] || ent->v->avelocity[1])
358 VectorAdd(ent->v->origin, model->yawmins, ent->v->absmin);
359 VectorAdd(ent->v->origin, model->yawmaxs, ent->v->absmax);
363 VectorAdd(ent->v->origin, model->normalmins, ent->v->absmin);
364 VectorAdd(ent->v->origin, model->normalmaxs, ent->v->absmax);
369 // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
370 VectorAdd(ent->v->origin, ent->v->mins, ent->v->absmin);
371 VectorAdd(ent->v->origin, ent->v->maxs, ent->v->absmax);
376 VectorAdd(ent->v->origin, ent->v->mins, ent->v->absmin);
377 VectorAdd(ent->v->origin, ent->v->maxs, ent->v->absmax);
381 // to make items easier to pick up and allow them to be grabbed off
382 // of shelves, the abs sizes are expanded
384 if ((int)ent->v->flags & FL_ITEM)
386 ent->v->absmin[0] -= 15;
387 ent->v->absmin[1] -= 15;
388 ent->v->absmin[2] -= 1;
389 ent->v->absmax[0] += 15;
390 ent->v->absmax[1] += 15;
391 ent->v->absmax[2] += 1;
395 // because movement is clipped an epsilon away from an actual edge,
396 // we must fully check even when bounding boxes don't quite touch
397 ent->v->absmin[0] -= 1;
398 ent->v->absmin[1] -= 1;
399 ent->v->absmin[2] -= 1;
400 ent->v->absmax[0] += 1;
401 ent->v->absmax[1] += 1;
402 ent->v->absmax[2] += 1;
405 if (ent->v->solid == SOLID_NOT)
408 SV_LinkEdict_AreaGrid(ent);
410 // if touch_triggers, touch all entities at this node and descend for more
412 SV_TouchAreaGrid(ent);
418 ===============================================================================
420 POINT TESTING IN HULLS
422 ===============================================================================
427 SV_TestEntityPosition
429 This could be a lot more efficient...
432 int SV_TestEntityPosition (edict_t *ent)
434 return SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, ent->v->origin, MOVE_NORMAL, ent).startsolid;
439 ===============================================================================
441 LINE TESTING IN HULLS
443 ===============================================================================
450 Handles selection or creation of a clipping hull, and offseting (and
451 eventually rotation) of the end points
454 trace_t SV_ClipMoveToEntity(edict_t *ent, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end)
458 model_t *model = NULL;
459 matrix4x4_t matrix, imatrix;
460 float tempnormal[3], starttransformed[3], endtransformed[3];
461 float starttransformedmins[3], starttransformedmaxs[3], endtransformedmins[3], endtransformedmaxs[3];
463 if ((int) ent->v->solid == SOLID_BSP)
465 i = ent->v->modelindex;
466 if ((unsigned int) i >= MAX_MODELS)
467 Host_Error("SV_ClipMoveToEntity: invalid modelindex\n");
468 model = sv.models[i];
469 if (i != 0 && model == NULL)
470 Host_Error("SV_ClipMoveToEntity: invalid modelindex\n");
472 Mod_CheckLoaded(model);
473 if (!model->brush.TraceBox)
475 Con_Printf ("SV_ClipMoveToEntity: SOLID_BSP with a non bsp model, entity dump:\n");
477 Host_Error ("SV_ClipMoveToEntity: SOLID_BSP with a non bsp model\n");
479 if (ent->v->movetype != MOVETYPE_PUSH)
480 Host_Error ("SV_ClipMoveToEntity: SOLID_BSP without MOVETYPE_PUSH");
483 Matrix4x4_CreateFromQuakeEntity(&matrix, ent->v->origin[0], ent->v->origin[1], ent->v->origin[2], ent->v->angles[0], ent->v->angles[1], ent->v->angles[2], 1);
484 Matrix4x4_Invert_Simple(&imatrix, &matrix);
485 Matrix4x4_Transform(&imatrix, start, starttransformed);
486 Matrix4x4_Transform(&imatrix, end, endtransformed);
487 VectorAdd(starttransformed, maxs, starttransformedmaxs);
488 VectorAdd(endtransformed, maxs, endtransformedmaxs);
489 VectorAdd(starttransformed, mins, starttransformedmins);
490 VectorAdd(endtransformed, mins, endtransformedmins);
492 if (model && model->brush.TraceBox)
493 model->brush.TraceBox(model, &trace, starttransformedmins, starttransformedmaxs, endtransformedmins, endtransformedmaxs, SUPERCONTENTS_SOLID);
495 Collision_ClipTrace_Box(&trace, ent->v->mins, ent->v->maxs, starttransformed, mins, maxs, endtransformed, SUPERCONTENTS_SOLID, SUPERCONTENTS_SOLID);
497 if (trace.fraction < 1 || trace.startsolid)
499 VectorLerp(start, trace.fraction, end, trace.endpos);
500 VectorCopy(trace.plane.normal, tempnormal);
501 Matrix4x4_Transform3x3(&matrix, tempnormal, trace.plane.normal);
502 // FIXME: should recalc trace.plane.dist
507 //===========================================================================
509 void SV_ClipToNode(moveclip_t *clip, link_t *list)
515 sv_areagrid_stats_nodechecks++;
516 for (l = list->next;l != list;l = next)
519 touch = EDICT_NUM(l->entitynumber);
520 if (touch->e->areagridmarknumber == sv_areagrid_marknumber)
522 touch->e->areagridmarknumber = sv_areagrid_marknumber;
523 sv_areagrid_stats_entitychecks++;
525 if (clip->boxmins[0] > touch->v->absmax[0]
526 || clip->boxmaxs[0] < touch->v->absmin[0]
527 || clip->boxmins[1] > touch->v->absmax[1]
528 || clip->boxmaxs[1] < touch->v->absmin[1]
529 || clip->boxmins[2] > touch->v->absmax[2]
530 || clip->boxmaxs[2] < touch->v->absmin[2])
533 if (clip->type == MOVE_NOMONSTERS && touch->v->solid != SOLID_BSP)
536 if (touch->v->solid == SOLID_NOT)
541 if (!clip->passedict->v->size[0] && !touch->v->size[0])
542 continue; // points never interact
543 if (PROG_TO_EDICT(touch->v->owner) == clip->passedict)
544 continue; // don't clip against own missiles
545 if (PROG_TO_EDICT(clip->passedict->v->owner) == touch)
546 continue; // don't clip against owner
547 // LordHavoc: corpse code
548 if (clip->passedict->v->solid == SOLID_CORPSE && (touch->v->solid == SOLID_SLIDEBOX || touch->v->solid == SOLID_CORPSE))
550 if (clip->passedict->v->solid == SOLID_SLIDEBOX && touch->v->solid == SOLID_CORPSE)
554 if (touch == clip->passedict)
556 if (touch->v->solid == SOLID_TRIGGER)
559 Host_Error ("Trigger in clipping list");
562 // might interact, so do an exact clip
563 if (touch->v->solid == SOLID_BSP)
564 trace = SV_ClipMoveToEntity (touch, clip->start, clip->hullmins, clip->hullmaxs, clip->end);
565 else if ((int)touch->v->flags & FL_MONSTER)
566 trace = SV_ClipMoveToEntity (touch, clip->start, clip->mins2, clip->maxs2, clip->end);
568 trace = SV_ClipMoveToEntity (touch, clip->start, clip->mins, clip->maxs, clip->end);
569 // LordHavoc: take the 'best' answers from the new trace and combine with existing data
571 clip->trace.allsolid = true;
572 if (trace.startsolid)
574 clip->trace.startsolid = true;
575 if (!clip->trace.ent)
576 clip->trace.ent = trace.ent;
579 clip->trace.inopen = true;
581 clip->trace.inwater = true;
582 if (trace.fraction < clip->trace.fraction)
584 clip->trace.fraction = trace.fraction;
585 VectorCopy(trace.endpos, clip->trace.endpos);
586 clip->trace.plane = trace.plane;
587 clip->trace.ent = touch;
589 clip->trace.startsupercontents |= trace.startsupercontents;
590 if (clip->trace.allsolid)
600 trace_t SV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, edict_t *passedict)
603 vec3_t bigmins, bigmaxs;
605 int i, igrid[3], igridmins[3], igridmaxs[3];
607 memset(&clip, 0, sizeof(moveclip_t));
609 VectorCopy(start, clip.start);
610 VectorCopy(end, clip.end);
611 VectorCopy(mins, clip.mins);
612 VectorCopy(maxs, clip.maxs);
613 VectorCopy(mins, clip.hullmins);
614 VectorCopy(maxs, clip.hullmaxs);
616 clip.passedict = passedict;
618 if (sv.worldmodel && sv.worldmodel->brush.RoundUpToHullSize)
619 sv.worldmodel->brush.RoundUpToHullSize(sv.worldmodel, clip.mins, clip.maxs, clip.hullmins, clip.hullmaxs);
622 clip.trace = SV_ClipMoveToEntity(sv.edicts, clip.start, clip.hullmins, clip.hullmaxs, clip.end);
623 if (clip.type == MOVE_WORLDONLY)
624 //if (clip.trace.allsolid)
627 if (clip.type == MOVE_MISSILE)
629 // LordHavoc: modified this, was = -15, now = clip.mins[i] - 15
630 for (i=0 ; i<3 ; i++)
632 clip.mins2[i] = clip.mins[i] - 15;
633 clip.maxs2[i] = clip.maxs[i] + 15;
638 VectorCopy (clip.mins, clip.mins2);
639 VectorCopy (clip.maxs, clip.maxs2);
642 bigmins[0] = min(clip.mins2[0], clip.hullmins[0]);
643 bigmaxs[0] = max(clip.maxs2[0], clip.hullmaxs[0]);
644 bigmins[1] = min(clip.mins2[1], clip.hullmins[1]);
645 bigmaxs[1] = max(clip.maxs2[1], clip.hullmaxs[1]);
646 bigmins[2] = min(clip.mins2[2], clip.hullmins[2]);
647 bigmaxs[2] = max(clip.maxs2[2], clip.hullmaxs[2]);
649 // create the bounding box of the entire move
650 if (!sv_debugmove.integer)
654 for (i=0 ; i<3 ; i++)
656 if (clip.trace.endpos[i] > clip.start[i])
658 clip.boxmins[i] = clip.start[i] + bigmins[i] - 1;
659 clip.boxmaxs[i] = clip.trace.endpos[i] + bigmaxs[i] + 1;
663 clip.boxmins[i] = clip.trace.endpos[i] + bigmins[i] - 1;
664 clip.boxmaxs[i] = clip.start[i] + bigmaxs[i] + 1;
670 // debug to test against everything
671 clip.boxmins[0] = clip.boxmins[1] = clip.boxmins[2] = -999999999;
672 clip.boxmaxs[0] = clip.boxmaxs[1] = clip.boxmaxs[2] = 999999999;
676 sv_areagrid_stats_calls++;
677 sv_areagrid_marknumber++;
678 igridmins[0] = (int) ((clip.boxmins[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
679 igridmins[1] = (int) ((clip.boxmins[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
680 //igridmins[2] = (int) ((clip->boxmins[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
681 igridmaxs[0] = (int) ((clip.boxmaxs[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
682 igridmaxs[1] = (int) ((clip.boxmaxs[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
683 //igridmaxs[2] = (int) ((clip->boxmaxs[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
684 igridmins[0] = max(0, igridmins[0]);
685 igridmins[1] = max(0, igridmins[1]);
686 //igridmins[2] = max(0, igridmins[2]);
687 igridmaxs[0] = min(AREA_GRID, igridmaxs[0]);
688 igridmaxs[1] = min(AREA_GRID, igridmaxs[1]);
689 //igridmaxs[2] = min(AREA_GRID, igridmaxs[2]);
691 if (sv_areagrid_outside.solid_edicts.next != &sv_areagrid_outside.solid_edicts)
692 SV_ClipToNode(&clip, &sv_areagrid_outside.solid_edicts);
694 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
695 for (grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0], igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
696 if (grid->solid_edicts.next != &grid->solid_edicts)
697 SV_ClipToNode(&clip, &grid->solid_edicts);
702 int SV_PointQ1Contents(const vec3_t point)
705 return Mod_Q1BSP_NativeContentsFromSuperContents(NULL, SV_Move(point, vec3_origin, vec3_origin, point, MOVE_NOMONSTERS, NULL).startsupercontents);
707 if (sv.worldmodel && sv.worldmodel->brush.PointContents)
708 return sv.worldmodel->brush.PointContents(sv.worldmodel, point);
709 return CONTENTS_SOLID;
713 int SV_PointSuperContents(const vec3_t point)
716 return SV_Move(point, vec3_origin, vec3_origin, point, MOVE_NOMONSTERS, NULL).startsupercontents;
718 if (sv.worldmodel && sv.worldmodel->brush.PointContents)
719 return sv.worldmodel->brush.PointContents(sv.worldmodel, point);
720 return CONTENTS_SOLID;