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_polygoncollisions = {CVAR_NOTIFY, "sv_polygoncollisions", "0"};
34 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64"};
36 void SV_AreaStats_f(void);
38 void SV_World_Init(void)
40 Cvar_RegisterVariable(&sv_debugmove);
41 Cvar_RegisterVariable(&sv_polygoncollisions);
42 Cvar_RegisterVariable(&sv_areagrid_mingridsize);
43 Cmd_AddCommand("sv_areastats", SV_AreaStats_f);
49 // bounding box of entire move area
50 vec3_t boxmins, boxmaxs;
52 // size of the moving object
55 // size when clipping against monsters
58 // size when clipping against brush models
59 vec3_t hullmins, hullmaxs;
61 // start and end origin of move
67 // type of move (like ignoring monsters, or similar)
70 // the edict that is moving (if any)
75 //============================================================================
77 // ClearLink is used for new headnodes
78 static void ClearLink (link_t *l)
81 l->prev = l->next = l;
84 static void RemoveLink (link_t *l)
86 l->next->prev = l->prev;
87 l->prev->next = l->next;
90 static void InsertLinkBefore (link_t *l, link_t *before, int entitynumber)
92 l->entitynumber = entitynumber;
94 l->prev = before->prev;
101 ===============================================================================
105 ===============================================================================
108 int sv_areagrid_stats_calls = 0;
109 int sv_areagrid_stats_nodechecks = 0;
110 int sv_areagrid_stats_entitychecks = 0;
112 void SV_AreaStats_f(void)
114 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);
115 sv_areagrid_stats_calls = 0;
116 sv_areagrid_stats_nodechecks = 0;
117 sv_areagrid_stats_entitychecks = 0;
120 typedef struct areagrid_s
122 link_t trigger_edicts;
127 #define AREA_GRID 512
128 #define AREA_GRIDNODES (AREA_GRID * AREA_GRID)
130 static areagrid_t sv_areagrid[AREA_GRIDNODES], sv_areagrid_outside;
131 static vec3_t sv_areagrid_bias, sv_areagrid_scale, sv_areagrid_mins, sv_areagrid_maxs, sv_areagrid_size;
132 static int sv_areagrid_marknumber = 1;
134 void SV_CreateAreaGrid (vec3_t mins, vec3_t maxs)
137 ClearLink (&sv_areagrid_outside.trigger_edicts);
138 ClearLink (&sv_areagrid_outside.solid_edicts);
139 // choose either the world box size, or a larger box to ensure the grid isn't too fine
140 sv_areagrid_size[0] = max(maxs[0] - mins[0], AREA_GRID * sv_areagrid_mingridsize.value);
141 sv_areagrid_size[1] = max(maxs[1] - mins[1], AREA_GRID * sv_areagrid_mingridsize.value);
142 sv_areagrid_size[2] = max(maxs[2] - mins[2], AREA_GRID * sv_areagrid_mingridsize.value);
143 // figure out the corners of such a box, centered at the center of the world box
144 sv_areagrid_mins[0] = (mins[0] + maxs[0] - sv_areagrid_size[0]) * 0.5f;
145 sv_areagrid_mins[1] = (mins[1] + maxs[1] - sv_areagrid_size[1]) * 0.5f;
146 sv_areagrid_mins[2] = (mins[2] + maxs[2] - sv_areagrid_size[2]) * 0.5f;
147 sv_areagrid_maxs[0] = (mins[0] + maxs[0] + sv_areagrid_size[0]) * 0.5f;
148 sv_areagrid_maxs[1] = (mins[1] + maxs[1] + sv_areagrid_size[1]) * 0.5f;
149 sv_areagrid_maxs[2] = (mins[2] + maxs[2] + sv_areagrid_size[2]) * 0.5f;
150 // now calculate the actual useful info from that
151 VectorNegate(sv_areagrid_mins, sv_areagrid_bias);
152 sv_areagrid_scale[0] = AREA_GRID / sv_areagrid_size[0];
153 sv_areagrid_scale[1] = AREA_GRID / sv_areagrid_size[1];
154 sv_areagrid_scale[2] = AREA_GRID / sv_areagrid_size[2];
155 for (i = 0;i < AREA_GRIDNODES;i++)
157 ClearLink (&sv_areagrid[i].trigger_edicts);
158 ClearLink (&sv_areagrid[i].solid_edicts);
160 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);
169 void SV_ClearWorld (void)
171 Mod_CheckLoaded(sv.worldmodel);
172 SV_CreateAreaGrid(sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
182 void SV_UnlinkEdict (edict_t *ent)
185 for (i = 0;i < ENTITYGRIDAREAS;i++)
187 if (ent->e->areagrid[i].prev)
189 RemoveLink (&ent->e->areagrid[i]);
190 ent->e->areagrid[i].prev = ent->e->areagrid[i].next = NULL;
196 void SV_TouchAreaGrid(edict_t *ent)
201 int old_self, old_other, igrid[3], igridmins[3], igridmaxs[3];
203 sv_areagrid_marknumber++;
204 igridmins[0] = (int) ((ent->v->absmin[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
205 igridmins[1] = (int) ((ent->v->absmin[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
206 //igridmins[2] = (int) ((ent->v->absmin[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
207 igridmaxs[0] = (int) ((ent->v->absmax[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
208 igridmaxs[1] = (int) ((ent->v->absmax[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
209 //igridmaxs[2] = (int) ((ent->v->absmax[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
210 igridmins[0] = max(0, igridmins[0]);
211 igridmins[1] = max(0, igridmins[1]);
212 //igridmins[2] = max(0, igridmins[2]);
213 igridmaxs[0] = min(AREA_GRID, igridmaxs[0]);
214 igridmaxs[1] = min(AREA_GRID, igridmaxs[1]);
215 //igridmaxs[2] = min(AREA_GRID, igridmaxs[2]);
217 for (l = sv_areagrid_outside.trigger_edicts.next;l != &sv_areagrid_outside.trigger_edicts;l = next)
220 touch = EDICT_NUM(l->entitynumber);
221 if (ent->v->absmin[0] > touch->v->absmax[0]
222 || ent->v->absmax[0] < touch->v->absmin[0]
223 || ent->v->absmin[1] > touch->v->absmax[1]
224 || ent->v->absmax[1] < touch->v->absmin[1]
225 || ent->v->absmin[2] > touch->v->absmax[2]
226 || ent->v->absmax[2] < touch->v->absmin[2])
230 if (!touch->v->touch || touch->v->solid != SOLID_TRIGGER)
232 old_self = pr_global_struct->self;
233 old_other = pr_global_struct->other;
235 pr_global_struct->self = EDICT_TO_PROG(touch);
236 pr_global_struct->other = EDICT_TO_PROG(ent);
237 pr_global_struct->time = sv.time;
238 PR_ExecuteProgram (touch->v->touch, "");
240 pr_global_struct->self = old_self;
241 pr_global_struct->other = old_other;
244 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
246 grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0];
247 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
249 for (l = grid->trigger_edicts.next;l != &grid->trigger_edicts;l = next)
252 touch = EDICT_NUM(l->entitynumber);
253 if (touch->e->areagridmarknumber == sv_areagrid_marknumber)
255 touch->e->areagridmarknumber = sv_areagrid_marknumber;
256 if (ent->v->absmin[0] > touch->v->absmax[0]
257 || ent->v->absmax[0] < touch->v->absmin[0]
258 || ent->v->absmin[1] > touch->v->absmax[1]
259 || ent->v->absmax[1] < touch->v->absmin[1]
260 || ent->v->absmin[2] > touch->v->absmax[2]
261 || ent->v->absmax[2] < touch->v->absmin[2])
263 // LordHavoc: id bug that won't be fixed: triggers do not ignore their owner like solid objects do
266 if (!touch->v->touch || touch->v->solid != SOLID_TRIGGER)
268 old_self = pr_global_struct->self;
269 old_other = pr_global_struct->other;
271 pr_global_struct->self = EDICT_TO_PROG(touch);
272 pr_global_struct->other = EDICT_TO_PROG(ent);
273 pr_global_struct->time = sv.time;
274 PR_ExecuteProgram (touch->v->touch, "");
276 pr_global_struct->self = old_self;
277 pr_global_struct->other = old_other;
283 void SV_LinkEdict_AreaGrid(edict_t *ent)
286 int igrid[3], igridmins[3], igridmaxs[3], gridnum, entitynumber = NUM_FOR_EDICT(ent);
288 if (entitynumber <= 0 || entitynumber >= sv.max_edicts || EDICT_NUM(entitynumber) != ent)
289 Host_Error("SV_LinkEdict_AreaGrid: invalid edict %p (sv.edicts is %p, edict compared to sv.edicts is %i)\n", ent, sv.edicts, entitynumber);
291 igridmins[0] = (int) ((ent->v->absmin[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
292 igridmins[1] = (int) ((ent->v->absmin[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
293 //igridmins[2] = (int) ((ent->v->absmin[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
294 igridmaxs[0] = (int) ((ent->v->absmax[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
295 igridmaxs[1] = (int) ((ent->v->absmax[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
296 //igridmaxs[2] = (int) ((ent->v->absmax[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
297 if (igridmins[0] < 0 || igridmaxs[0] > AREA_GRID || igridmins[1] < 0 || igridmaxs[1] > AREA_GRID || ((igridmaxs[0] - igridmins[0]) * (igridmaxs[1] - igridmins[1])) > ENTITYGRIDAREAS)
299 // wow, something outside the grid, store it as such
300 if (ent->v->solid == SOLID_TRIGGER)
301 InsertLinkBefore (&ent->e->areagrid[0], &sv_areagrid_outside.trigger_edicts, entitynumber);
303 InsertLinkBefore (&ent->e->areagrid[0], &sv_areagrid_outside.solid_edicts, entitynumber);
308 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
310 grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0];
311 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++, gridnum++)
313 if (ent->v->solid == SOLID_TRIGGER)
314 InsertLinkBefore (&ent->e->areagrid[gridnum], &grid->trigger_edicts, entitynumber);
316 InsertLinkBefore (&ent->e->areagrid[gridnum], &grid->solid_edicts, entitynumber);
327 void SV_LinkEdict (edict_t *ent, qboolean touch_triggers)
331 if (ent->e->areagrid[0].prev)
332 SV_UnlinkEdict (ent); // unlink from old position
334 if (ent == sv.edicts)
335 return; // don't add the world
342 if (ent->v->solid == SOLID_BSP)
344 if (ent->v->modelindex < 0 || ent->v->modelindex > MAX_MODELS)
345 Host_Error("SOLID_BSP with invalid modelindex!\n");
346 model = sv.models[(int) ent->v->modelindex];
349 Mod_CheckLoaded(model);
350 if (model->type != mod_brush)
351 Host_Error("SOLID_BSP with non-BSP model\n");
353 if (ent->v->angles[0] || ent->v->angles[2] || ent->v->avelocity[0] || ent->v->avelocity[2])
355 VectorAdd(ent->v->origin, model->rotatedmins, ent->v->absmin);
356 VectorAdd(ent->v->origin, model->rotatedmaxs, ent->v->absmax);
358 else if (ent->v->angles[1] || ent->v->avelocity[1])
360 VectorAdd(ent->v->origin, model->yawmins, ent->v->absmin);
361 VectorAdd(ent->v->origin, model->yawmaxs, ent->v->absmax);
365 VectorAdd(ent->v->origin, model->normalmins, ent->v->absmin);
366 VectorAdd(ent->v->origin, model->normalmaxs, ent->v->absmax);
371 // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
372 VectorAdd(ent->v->origin, ent->v->mins, ent->v->absmin);
373 VectorAdd(ent->v->origin, ent->v->maxs, ent->v->absmax);
378 VectorAdd(ent->v->origin, ent->v->mins, ent->v->absmin);
379 VectorAdd(ent->v->origin, ent->v->maxs, ent->v->absmax);
383 // to make items easier to pick up and allow them to be grabbed off
384 // of shelves, the abs sizes are expanded
386 if ((int)ent->v->flags & FL_ITEM)
388 ent->v->absmin[0] -= 15;
389 ent->v->absmin[1] -= 15;
390 ent->v->absmin[2] -= 1;
391 ent->v->absmax[0] += 15;
392 ent->v->absmax[1] += 15;
393 ent->v->absmax[2] += 1;
397 // because movement is clipped an epsilon away from an actual edge,
398 // we must fully check even when bounding boxes don't quite touch
399 ent->v->absmin[0] -= 1;
400 ent->v->absmin[1] -= 1;
401 ent->v->absmin[2] -= 1;
402 ent->v->absmax[0] += 1;
403 ent->v->absmax[1] += 1;
404 ent->v->absmax[2] += 1;
407 if (ent->v->solid == SOLID_NOT)
410 SV_LinkEdict_AreaGrid(ent);
412 // if touch_triggers, touch all entities at this node and descend for more
414 SV_TouchAreaGrid(ent);
420 ===============================================================================
422 POINT TESTING IN HULLS
424 ===============================================================================
429 SV_TestEntityPosition
431 This could be a lot more efficient...
434 int SV_TestEntityPosition (edict_t *ent)
436 return SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, ent->v->origin, MOVE_NORMAL, ent).startsolid;
441 ===============================================================================
443 LINE TESTING IN HULLS
445 ===============================================================================
452 Handles selection or creation of a clipping hull, and offseting (and
453 eventually rotation) of the end points
456 trace_t SV_ClipMoveToEntity(edict_t *ent, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end)
460 model_t *model = NULL;
461 matrix4x4_t matrix, imatrix;
462 float tempnormal[3], starttransformed[3], endtransformed[3];
463 float starttransformedmins[3], starttransformedmaxs[3], endtransformedmins[3], endtransformedmaxs[3];
465 if ((int) ent->v->solid == SOLID_BSP)
467 i = ent->v->modelindex;
468 if ((unsigned int) i >= MAX_MODELS)
469 Host_Error("SV_ClipMoveToEntity: invalid modelindex\n");
470 model = sv.models[i];
471 if (i != 0 && model == NULL)
472 Host_Error("SV_ClipMoveToEntity: invalid modelindex\n");
474 Mod_CheckLoaded(model);
475 if (model->type != mod_brush)
477 Con_Printf ("SV_ClipMoveToEntity: SOLID_BSP with a non bsp model, entity dump:\n");
479 Host_Error ("SV_ClipMoveToEntity: SOLID_BSP with a non bsp model\n");
481 if (ent->v->movetype != MOVETYPE_PUSH)
482 Host_Error ("SV_ClipMoveToEntity: SOLID_BSP without MOVETYPE_PUSH");
485 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);
486 Matrix4x4_Invert_Simple(&imatrix, &matrix);
487 Matrix4x4_Transform(&imatrix, start, starttransformed);
488 Matrix4x4_Transform(&imatrix, end, endtransformed);
489 VectorAdd(starttransformed, maxs, starttransformedmaxs);
490 VectorAdd(endtransformed, maxs, endtransformedmaxs);
491 VectorAdd(starttransformed, mins, starttransformedmins);
492 VectorAdd(endtransformed, mins, endtransformedmins);
494 // FIXME: the PolygonClipTrace should go away (should all be done in model code)
495 if (sv_polygoncollisions.integer == 1)
496 Collision_PolygonClipTrace(&trace, ent, model, vec3_origin, vec3_origin, ent->v->mins, ent->v->maxs, starttransformed, mins, maxs, endtransformed);
497 else if (model && model->brush.TraceBox)
498 model->brush.TraceBox(model, &trace, starttransformedmins, starttransformedmaxs, endtransformedmins, endtransformedmaxs);
500 Collision_ClipTrace_Box(&trace, ent->v->mins, ent->v->maxs, starttransformed, mins, maxs, endtransformed);
502 if (trace.fraction < 1 || trace.startsolid)
504 VectorLerp(start, trace.fraction, end, trace.endpos);
505 VectorCopy(trace.plane.normal, tempnormal);
506 Matrix4x4_Transform3x3(&matrix, tempnormal, trace.plane.normal);
507 // FIXME: should recalc trace.plane.dist
512 //===========================================================================
514 void SV_ClipToNode(moveclip_t *clip, link_t *list)
520 sv_areagrid_stats_nodechecks++;
521 for (l = list->next;l != list;l = next)
524 touch = EDICT_NUM(l->entitynumber);
525 if (touch->e->areagridmarknumber == sv_areagrid_marknumber)
527 touch->e->areagridmarknumber = sv_areagrid_marknumber;
528 sv_areagrid_stats_entitychecks++;
530 if (clip->boxmins[0] > touch->v->absmax[0]
531 || clip->boxmaxs[0] < touch->v->absmin[0]
532 || clip->boxmins[1] > touch->v->absmax[1]
533 || clip->boxmaxs[1] < touch->v->absmin[1]
534 || clip->boxmins[2] > touch->v->absmax[2]
535 || clip->boxmaxs[2] < touch->v->absmin[2])
538 if (clip->type == MOVE_NOMONSTERS && touch->v->solid != SOLID_BSP)
541 if (touch->v->solid == SOLID_NOT)
546 if (!clip->passedict->v->size[0] && !touch->v->size[0])
547 continue; // points never interact
548 if (PROG_TO_EDICT(touch->v->owner) == clip->passedict)
549 continue; // don't clip against own missiles
550 if (PROG_TO_EDICT(clip->passedict->v->owner) == touch)
551 continue; // don't clip against owner
552 // LordHavoc: corpse code
553 if (clip->passedict->v->solid == SOLID_CORPSE && (touch->v->solid == SOLID_SLIDEBOX || touch->v->solid == SOLID_CORPSE))
555 if (clip->passedict->v->solid == SOLID_SLIDEBOX && touch->v->solid == SOLID_CORPSE)
559 if (touch == clip->passedict)
561 if (touch->v->solid == SOLID_TRIGGER)
564 Host_Error ("Trigger in clipping list");
567 // might interact, so do an exact clip
568 if (touch->v->solid == SOLID_BSP)
569 trace = SV_ClipMoveToEntity (touch, clip->start, clip->hullmins, clip->hullmaxs, clip->end);
570 else if ((int)touch->v->flags & FL_MONSTER)
571 trace = SV_ClipMoveToEntity (touch, clip->start, clip->mins2, clip->maxs2, clip->end);
573 trace = SV_ClipMoveToEntity (touch, clip->start, clip->mins, clip->maxs, clip->end);
574 // LordHavoc: take the 'best' answers from the new trace and combine with existing data
576 clip->trace.allsolid = true;
577 if (trace.startsolid)
579 clip->trace.startsolid = true;
580 if (!clip->trace.ent)
581 clip->trace.ent = trace.ent;
584 clip->trace.inopen = true;
586 clip->trace.inwater = true;
587 if (trace.fraction < clip->trace.fraction)
589 clip->trace.fraction = trace.fraction;
590 VectorCopy(trace.endpos, clip->trace.endpos);
591 clip->trace.plane = trace.plane;
592 //clip->trace.endcontents = trace.endcontents;
593 clip->trace.ent = touch;
595 // FIXME: the handling of endcontents is really broken but works well enough for point checks
596 if (trace.endcontents < clip->trace.endcontents || trace.endcontents == CONTENTS_SOLID)
598 // lower numbered (lava is lower than water, for example)
599 // contents override higher numbered contents, except for
600 // CONTENTS_SOLID which overrides everything
601 clip->trace.endcontents = trace.endcontents;
603 if (clip->trace.allsolid)
613 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)
616 vec3_t bigmins, bigmaxs;
618 int i, igrid[3], igridmins[3], igridmaxs[3];
620 memset(&clip, 0, sizeof(moveclip_t));
622 VectorCopy(start, clip.start);
623 VectorCopy(end, clip.end);
624 VectorCopy(mins, clip.mins);
625 VectorCopy(maxs, clip.maxs);
627 clip.passedict = passedict;
629 Collision_RoundUpToHullSize(sv.worldmodel, clip.mins, clip.maxs, clip.hullmins, clip.hullmaxs);
632 clip.trace = SV_ClipMoveToEntity(sv.edicts, clip.start, clip.hullmins, clip.hullmaxs, clip.end);
633 if (clip.type == MOVE_WORLDONLY)
634 //if (clip.trace.allsolid)
637 if (clip.type == MOVE_MISSILE)
639 // LordHavoc: modified this, was = -15, now = clip.mins[i] - 15
640 for (i=0 ; i<3 ; i++)
642 clip.mins2[i] = clip.mins[i] - 15;
643 clip.maxs2[i] = clip.maxs[i] + 15;
648 VectorCopy (clip.mins, clip.mins2);
649 VectorCopy (clip.maxs, clip.maxs2);
652 bigmins[0] = min(clip.mins2[0], clip.hullmins[0]);
653 bigmaxs[0] = max(clip.maxs2[0], clip.hullmaxs[0]);
654 bigmins[1] = min(clip.mins2[1], clip.hullmins[1]);
655 bigmaxs[1] = max(clip.maxs2[1], clip.hullmaxs[1]);
656 bigmins[2] = min(clip.mins2[2], clip.hullmins[2]);
657 bigmaxs[2] = max(clip.maxs2[2], clip.hullmaxs[2]);
659 // create the bounding box of the entire move
660 if (!sv_debugmove.integer)
664 for (i=0 ; i<3 ; i++)
666 if (clip.trace.endpos[i] > clip.start[i])
668 clip.boxmins[i] = clip.start[i] + bigmins[i] - 1;
669 clip.boxmaxs[i] = clip.trace.endpos[i] + bigmaxs[i] + 1;
673 clip.boxmins[i] = clip.trace.endpos[i] + bigmins[i] - 1;
674 clip.boxmaxs[i] = clip.start[i] + bigmaxs[i] + 1;
680 // debug to test against everything
681 clip.boxmins[0] = clip.boxmins[1] = clip.boxmins[2] = -999999999;
682 clip.boxmaxs[0] = clip.boxmaxs[1] = clip.boxmaxs[2] = 999999999;
686 sv_areagrid_stats_calls++;
687 sv_areagrid_marknumber++;
688 igridmins[0] = (int) ((clip.boxmins[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]);
689 igridmins[1] = (int) ((clip.boxmins[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]);
690 //igridmins[2] = (int) ((clip->boxmins[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]);
691 igridmaxs[0] = (int) ((clip.boxmaxs[0] + sv_areagrid_bias[0]) * sv_areagrid_scale[0]) + 1;
692 igridmaxs[1] = (int) ((clip.boxmaxs[1] + sv_areagrid_bias[1]) * sv_areagrid_scale[1]) + 1;
693 //igridmaxs[2] = (int) ((clip->boxmaxs[2] + sv_areagrid_bias[2]) * sv_areagrid_scale[2]) + 1;
694 igridmins[0] = max(0, igridmins[0]);
695 igridmins[1] = max(0, igridmins[1]);
696 //igridmins[2] = max(0, igridmins[2]);
697 igridmaxs[0] = min(AREA_GRID, igridmaxs[0]);
698 igridmaxs[1] = min(AREA_GRID, igridmaxs[1]);
699 //igridmaxs[2] = min(AREA_GRID, igridmaxs[2]);
701 if (sv_areagrid_outside.solid_edicts.next != &sv_areagrid_outside.solid_edicts)
702 SV_ClipToNode(&clip, &sv_areagrid_outside.solid_edicts);
704 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
705 for (grid = sv_areagrid + igrid[1] * AREA_GRID + igridmins[0], igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
706 if (grid->solid_edicts.next != &grid->solid_edicts)
707 SV_ClipToNode(&clip, &grid->solid_edicts);
712 int SV_PointContents(const vec3_t point)
715 return SV_Move(point, vec3_origin, vec3_origin, point, MOVE_NOMONSTERS, NULL).endcontents;
717 if (sv.worldmodel && sv.worldmodel->brush.PointContents)
718 return sv.worldmodel->brush.PointContents(sv.worldmodel, point);
719 return CONTENTS_SOLID;