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
27 entities never clip against themselves, or their owner
29 line of sight checks trace->inopen and trace->inwater, but bullets don't
33 extern cvar_t sv_debugmove;
34 extern cvar_t sv_areagrid_mingridsize;
36 trace_t CSSV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict);
38 void CSSV_AreaStats_f(void);
40 void CSSV_World_Init(void)
42 Cvar_RegisterVariable(&sv_debugmove);
43 Cvar_RegisterVariable(&sv_areagrid_mingridsize);
44 Cmd_AddCommand("cssv_areastats", CSSV_AreaStats_f, "prints information on culling grid system");
48 //============================================================================
50 // CSClearLink is used for new headnodes
51 static void CSClearLink (link_t *l)
54 l->prev = l->next = l;
57 static void CSRemoveLink (link_t *l)
59 l->next->prev = l->prev;
60 l->prev->next = l->next;
63 static void CSInsertLinkBefore (link_t *l, link_t *before, int entitynumber)
65 l->entitynumber = entitynumber;
67 l->prev = before->prev;
74 ===============================================================================
78 ===============================================================================
81 int cssv_areagrid_stats_calls = 0;
82 int cssv_areagrid_stats_nodechecks = 0;
83 int cssv_areagrid_stats_entitychecks = 0;
85 void CSSV_AreaStats_f(void)
87 Con_Printf("csareagrid check stats: %d calls %d nodes (%f per call) %d entities (%f per call)\n", cssv_areagrid_stats_calls, cssv_areagrid_stats_nodechecks, (double) cssv_areagrid_stats_nodechecks / (double) cssv_areagrid_stats_calls, cssv_areagrid_stats_entitychecks, (double) cssv_areagrid_stats_entitychecks / (double) cssv_areagrid_stats_calls);
88 cssv_areagrid_stats_calls = 0;
89 cssv_areagrid_stats_nodechecks = 0;
90 cssv_areagrid_stats_entitychecks = 0;
93 typedef struct areagrid_s
99 #define CSAREA_GRID 512
100 #define CSAREA_GRIDNODES (CSAREA_GRID * CSAREA_GRID)
102 static csareagrid_t cssv_areagrid[CSAREA_GRIDNODES], cssv_areagrid_outside;
103 static vec3_t cssv_areagrid_bias, cssv_areagrid_scale, cssv_areagrid_mins, cssv_areagrid_maxs, cssv_areagrid_size;
104 static int cssv_areagrid_marknumber = 1;
106 void CSSV_CreateAreaGrid (vec3_t mins, vec3_t maxs)
109 CSClearLink (&cssv_areagrid_outside.edicts);
110 // choose either the world box size, or a larger box to ensure the grid isn't too fine
111 cssv_areagrid_size[0] = max(maxs[0] - mins[0], CSAREA_GRID * sv_areagrid_mingridsize.value);
112 cssv_areagrid_size[1] = max(maxs[1] - mins[1], CSAREA_GRID * sv_areagrid_mingridsize.value);
113 cssv_areagrid_size[2] = max(maxs[2] - mins[2], CSAREA_GRID * sv_areagrid_mingridsize.value);
114 // figure out the corners of such a box, centered at the center of the world box
115 cssv_areagrid_mins[0] = (mins[0] + maxs[0] - cssv_areagrid_size[0]) * 0.5f;
116 cssv_areagrid_mins[1] = (mins[1] + maxs[1] - cssv_areagrid_size[1]) * 0.5f;
117 cssv_areagrid_mins[2] = (mins[2] + maxs[2] - cssv_areagrid_size[2]) * 0.5f;
118 cssv_areagrid_maxs[0] = (mins[0] + maxs[0] + cssv_areagrid_size[0]) * 0.5f;
119 cssv_areagrid_maxs[1] = (mins[1] + maxs[1] + cssv_areagrid_size[1]) * 0.5f;
120 cssv_areagrid_maxs[2] = (mins[2] + maxs[2] + cssv_areagrid_size[2]) * 0.5f;
121 // now calculate the actual useful info from that
122 VectorNegate(cssv_areagrid_mins, cssv_areagrid_bias);
123 cssv_areagrid_scale[0] = CSAREA_GRID / cssv_areagrid_size[0];
124 cssv_areagrid_scale[1] = CSAREA_GRID / cssv_areagrid_size[1];
125 cssv_areagrid_scale[2] = CSAREA_GRID / cssv_areagrid_size[2];
126 for (i = 0;i < CSAREA_GRIDNODES;i++)
128 CSClearLink (&cssv_areagrid[i].edicts);
130 Con_DPrintf("cssv_areagrid settings: divisions %ix%ix1 : box %f %f %f : %f %f %f size %f %f %f grid %f %f %f (mingrid %f)\n", CSAREA_GRID, CSAREA_GRID, cssv_areagrid_mins[0], cssv_areagrid_mins[1], cssv_areagrid_mins[2], cssv_areagrid_maxs[0], cssv_areagrid_maxs[1], cssv_areagrid_maxs[2], cssv_areagrid_size[0], cssv_areagrid_size[1], cssv_areagrid_size[2], 1.0f / cssv_areagrid_scale[0], 1.0f / cssv_areagrid_scale[1], 1.0f / cssv_areagrid_scale[2], sv_areagrid_mingridsize.value);
139 void CSSV_ClearWorld (void)
141 CSSV_CreateAreaGrid(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
151 void CSSV_UnlinkEdict (prvm_edict_t *ent)
154 for (i = 0;i < ENTITYGRIDAREAS;i++)
156 if (ent->priv.server->areagrid[i].prev)
158 CSRemoveLink (&ent->priv.server->areagrid[i]);
159 ent->priv.server->areagrid[i].prev = ent->priv.server->areagrid[i].next = NULL;
164 int CSSV_EntitiesInBox(vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
170 int igrid[3], igridmins[3], igridmaxs[3];
172 cssv_areagrid_stats_calls++;
173 cssv_areagrid_marknumber++;
174 igridmins[0] = (int) ((mins[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]);
175 igridmins[1] = (int) ((mins[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]);
176 //igridmins[2] = (int) ((mins[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]);
177 igridmaxs[0] = (int) ((maxs[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]) + 1;
178 igridmaxs[1] = (int) ((maxs[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]) + 1;
179 //igridmaxs[2] = (int) ((maxs[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]) + 1;
180 igridmins[0] = max(0, igridmins[0]);
181 igridmins[1] = max(0, igridmins[1]);
182 //igridmins[2] = max(0, igridmins[2]);
183 igridmaxs[0] = min(CSAREA_GRID, igridmaxs[0]);
184 igridmaxs[1] = min(CSAREA_GRID, igridmaxs[1]);
185 //igridmaxs[2] = min(CSAREA_GRID, igridmaxs[2]);
188 // add entities not linked into areagrid because they are too big or
189 // outside the grid bounds
190 if (cssv_areagrid_outside.edicts.next != &cssv_areagrid_outside.edicts)
192 for (l = cssv_areagrid_outside.edicts.next;l != &cssv_areagrid_outside.edicts;l = l->next)
194 ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
195 if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
197 ent->priv.server->areagridmarknumber = cssv_areagrid_marknumber;
198 if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
200 if (numlist < maxlist)
204 cssv_areagrid_stats_entitychecks++;
208 // add grid linked entities
209 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
211 grid = cssv_areagrid + igrid[1] * CSAREA_GRID + igridmins[0];
212 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
214 if (grid->edicts.next != &grid->edicts)
216 for (l = grid->edicts.next;l != &grid->edicts;l = l->next)
218 ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
219 if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
221 ent->priv.server->areagridmarknumber = cssv_areagrid_marknumber;
222 if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
224 if (numlist < maxlist)
229 cssv_areagrid_stats_entitychecks++;
237 void CSSV_TouchAreaGrid(prvm_edict_t *ent)
239 int i, numtouchedicts, old_self, old_other;
240 prvm_edict_t *touch, *touchedicts[MAX_EDICTS];
242 // build a list of edicts to touch, because the link loop can be corrupted
243 // by CSSV_IncreaseEdicts called during touch functions
244 numtouchedicts = CSSV_EntitiesInBox(ent->fields.client->absmin, ent->fields.client->absmax, MAX_EDICTS, touchedicts);
245 if (numtouchedicts > MAX_EDICTS)
247 // this never happens
248 Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
249 numtouchedicts = MAX_EDICTS;
252 old_self = prog->globals.client->self;
253 old_other = prog->globals.client->other;
254 for (i = 0;i < numtouchedicts;i++)
256 touch = touchedicts[i];
257 if (touch != ent && (int)touch->fields.client->solid == SOLID_TRIGGER && touch->fields.client->touch)
259 prog->globals.client->self = PRVM_EDICT_TO_PROG(touch);
260 prog->globals.client->other = PRVM_EDICT_TO_PROG(ent);
261 prog->globals.client->time = cl.time;
262 PRVM_ExecuteProgram (touch->fields.client->touch, "QC function self.touch is missing");
265 prog->globals.client->self = old_self;
266 prog->globals.client->other = old_other;
269 void CSSV_LinkEdict_AreaGrid(prvm_edict_t *ent)
272 int igrid[3], igridmins[3], igridmaxs[3], gridnum, entitynumber = PRVM_NUM_FOR_EDICT(ent);
274 if (entitynumber <= 0 || entitynumber >= prog->max_edicts || PRVM_EDICT_NUM(entitynumber) != ent)
276 Con_Printf ("CSSV_LinkEdict_AreaGrid: invalid edict %p (edicts is %p, edict compared to prog->edicts is %i)\n", ent, prog->edicts, entitynumber);
280 igridmins[0] = (int) ((ent->fields.client->absmin[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]);
281 igridmins[1] = (int) ((ent->fields.client->absmin[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]);
282 //igridmins[2] = (int) ((ent->fields.client->absmin[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]);
283 igridmaxs[0] = (int) ((ent->fields.client->absmax[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]) + 1;
284 igridmaxs[1] = (int) ((ent->fields.client->absmax[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]) + 1;
285 //igridmaxs[2] = (int) ((ent->fields.client->absmax[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]) + 1;
286 if (igridmins[0] < 0 || igridmaxs[0] > CSAREA_GRID || igridmins[1] < 0 || igridmaxs[1] > CSAREA_GRID || ((igridmaxs[0] - igridmins[0]) * (igridmaxs[1] - igridmins[1])) > ENTITYGRIDAREAS)
288 // wow, something outside the grid, store it as such
289 CSInsertLinkBefore (&ent->priv.server->areagrid[0], &cssv_areagrid_outside.edicts, entitynumber);
294 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
296 grid = cssv_areagrid + igrid[1] * CSAREA_GRID + igridmins[0];
297 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++, gridnum++)
298 CSInsertLinkBefore (&ent->priv.server->areagrid[gridnum], &grid->edicts, entitynumber);
308 void CSSV_LinkEdict (prvm_edict_t *ent, qboolean touch_triggers)
312 if (ent->priv.server->areagrid[0].prev)
313 CSSV_UnlinkEdict (ent); // unlink from old position
315 if (ent == prog->edicts)
316 return; // don't add the world
318 if (ent->priv.server->free)
323 if (ent->fields.client->solid == SOLID_BSP)
325 int modelindex = (int)ent->fields.client->modelindex;
326 if (modelindex < 0 || modelindex > MAX_MODELS)
328 Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
331 model = cl.model_precache[modelindex];
334 if (!model->TraceBox)
335 Con_Printf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
337 if (ent->fields.client->angles[0] || ent->fields.client->angles[2] || ent->fields.client->avelocity[0] || ent->fields.client->avelocity[2])
339 VectorAdd(ent->fields.client->origin, model->rotatedmins, ent->fields.client->absmin);
340 VectorAdd(ent->fields.client->origin, model->rotatedmaxs, ent->fields.client->absmax);
342 else if (ent->fields.client->angles[1] || ent->fields.client->avelocity[1])
344 VectorAdd(ent->fields.client->origin, model->yawmins, ent->fields.client->absmin);
345 VectorAdd(ent->fields.client->origin, model->yawmaxs, ent->fields.client->absmax);
349 VectorAdd(ent->fields.client->origin, model->normalmins, ent->fields.client->absmin);
350 VectorAdd(ent->fields.client->origin, model->normalmaxs, ent->fields.client->absmax);
355 // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
356 VectorAdd(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->absmin);
357 VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, ent->fields.client->absmax);
362 VectorAdd(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->absmin);
363 VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, ent->fields.client->absmax);
367 // to make items easier to pick up and allow them to be grabbed off
368 // of shelves, the abs sizes are expanded
370 if ((int)ent->fields.client->flags & FL_ITEM)
372 ent->fields.client->absmin[0] -= 15;
373 ent->fields.client->absmin[1] -= 15;
374 ent->fields.client->absmin[2] -= 1;
375 ent->fields.client->absmax[0] += 15;
376 ent->fields.client->absmax[1] += 15;
377 ent->fields.client->absmax[2] += 1;
381 // because movement is clipped an epsilon away from an actual edge,
382 // we must fully check even when bounding boxes don't quite touch
383 ent->fields.client->absmin[0] -= 1;
384 ent->fields.client->absmin[1] -= 1;
385 ent->fields.client->absmin[2] -= 1;
386 ent->fields.client->absmax[0] += 1;
387 ent->fields.client->absmax[1] += 1;
388 ent->fields.client->absmax[2] += 1;
391 if (ent->fields.client->solid == SOLID_NOT)
394 CSSV_LinkEdict_AreaGrid(ent);
396 // if touch_triggers, touch all entities at this node and descend for more
398 CSSV_TouchAreaGrid(ent);
404 ===============================================================================
406 POINT TESTING IN HULLS
408 ===============================================================================
413 SV_TestEntityPosition
415 This could be a lot more efficient...
418 int CSSV_TestEntityPosition (prvm_edict_t *ent)
420 return CSSV_Move (ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, ent->fields.client->origin, MOVE_NORMAL, ent).startsolid;
425 ===============================================================================
427 LINE TESTING IN HULLS
429 ===============================================================================
436 Handles selection or creation of a clipping hull, and offseting (and
437 eventually rotation) of the end points
440 trace_t CSSV_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)
443 model_t *model = NULL;
444 matrix4x4_t matrix, imatrix;
445 float tempnormal[3], starttransformed[3], endtransformed[3];
447 memset(&trace, 0, sizeof(trace));
448 trace.fraction = trace.realfraction = 1;
449 VectorCopy(end, trace.endpos);
451 if ((int) ent->fields.client->solid == SOLID_BSP || movetype == MOVE_HITMODEL)
453 unsigned int modelindex = (unsigned int)ent->fields.client->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 = cl.model_precache[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 if ((int) ent->fields.client->solid == SOLID_BSP)
474 if (!model->TraceBox)
476 Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with a non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
479 //if (ent->fields.client->movetype != MOVETYPE_PUSH)
481 // Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP without MOVETYPE_PUSH\n", PRVM_NUM_FOR_EDICT(ent));
485 Matrix4x4_CreateFromQuakeEntity(&matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2], ent->fields.client->angles[0], ent->fields.client->angles[1], ent->fields.client->angles[2], 1);
488 Matrix4x4_CreateTranslate(&matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2]);
490 Matrix4x4_Invert_Simple(&imatrix, &matrix);
491 Matrix4x4_Transform(&imatrix, start, starttransformed);
492 Matrix4x4_Transform(&imatrix, end, endtransformed);
493 #if COLLISIONPARANOID >= 3
494 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]);
497 if (model && model->TraceBox)
500 frame = (int)ent->fields.client->frame;
501 frame = bound(0, frame, (model->numframes - 1));
502 model->TraceBox(model, frame, &trace, starttransformed, mins, maxs, endtransformed, hitsupercontents);
505 Collision_ClipTrace_Box(&trace, ent->fields.client->mins, ent->fields.client->maxs, starttransformed, mins, maxs, endtransformed, hitsupercontents, ent->fields.client->solid == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY, 0, NULL);
506 trace.fraction = bound(0, trace.fraction, 1);
507 trace.realfraction = bound(0, trace.realfraction, 1);
509 if (trace.fraction < 1)
511 VectorLerp(start, trace.fraction, end, trace.endpos);
512 VectorCopy(trace.plane.normal, tempnormal);
513 Matrix4x4_Transform3x3(&matrix, tempnormal, trace.plane.normal);
514 // FIXME: should recalc trace.plane.dist
517 VectorCopy(end, trace.endpos);
522 //===========================================================================
529 #if COLLISIONPARANOID >= 1
530 trace_t CSSV_Move_(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
532 trace_t CSSV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
535 vec3_t hullmins, hullmaxs;
537 int hitsupercontentsmask;
540 prvm_edict_t *traceowner, *touch;
543 // bounding box of entire move area
544 vec3_t clipboxmins, clipboxmaxs;
545 // size of the moving object
546 vec3_t clipmins, clipmaxs;
547 // size when clipping against monsters
548 vec3_t clipmins2, clipmaxs2;
549 // start and end origin of move
550 vec3_t clipstart, clipend;
554 prvm_edict_t *touchedicts[MAX_EDICTS];
556 VectorCopy(start, clipstart);
557 VectorCopy(end, clipend);
558 VectorCopy(mins, clipmins);
559 VectorCopy(maxs, clipmaxs);
560 VectorCopy(mins, clipmins2);
561 VectorCopy(maxs, clipmaxs2);
562 #if COLLISIONPARANOID >= 3
563 Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
568 val = PRVM_GETEDICTFIELDVALUE(passedict, csqc_fieldoff_dphitcontentsmask);
569 if (val && val->_float)
570 hitsupercontentsmask = (int)val->_float;
571 else if (passedict->fields.client->solid == SOLID_SLIDEBOX)
573 if ((int)passedict->fields.client->flags & FL_MONSTER)
574 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_MONSTERCLIP;
576 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP;
578 else if (passedict->fields.client->solid == SOLID_CORPSE)
579 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
581 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
584 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
587 cliptrace = CSSV_ClipMoveToEntity(prog->edicts, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
588 cliptrace.bmodelstartsolid = cliptrace.startsolid;
589 if (cliptrace.startsolid || cliptrace.fraction < 1)
590 cliptrace.ent = prog->edicts;
591 if (type == MOVE_WORLDONLY)
594 if (type == MOVE_MISSILE)
596 // LordHavoc: modified this, was = -15, now -= 15
597 for (i = 0;i < 3;i++)
604 // get adjusted box for bmodel collisions if the world is q1bsp or hlbsp
605 if (cl.worldmodel && cl.worldmodel->brush.RoundUpToHullSize)
606 cl.worldmodel->brush.RoundUpToHullSize(cl.worldmodel, clipmins, clipmaxs, hullmins, hullmaxs);
609 VectorCopy(clipmins, hullmins);
610 VectorCopy(clipmaxs, hullmaxs);
613 // create the bounding box of the entire move
614 for (i = 0;i < 3;i++)
616 clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + min(hullmins[i], clipmins2[i]) - 1;
617 clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + max(hullmaxs[i], clipmaxs2[i]) + 1;
620 // debug override to test against everything
621 if (sv_debugmove.integer)
623 clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
624 clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] = 999999999;
627 // if the passedict is world, make it NULL (to avoid two checks each time)
628 if (passedict == prog->edicts)
630 // precalculate prog value for passedict for comparisons
631 passedictprog = PRVM_EDICT_TO_PROG(passedict);
632 // figure out whether this is a point trace for comparisons
633 pointtrace = VectorCompare(clipmins, clipmaxs);
634 // precalculate passedict's owner edict pointer for comparisons
635 traceowner = passedict ? PRVM_PROG_TO_EDICT(passedict->fields.client->owner) : 0;
638 numtouchedicts = CSSV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
639 if (numtouchedicts > MAX_EDICTS)
641 // this never happens
642 Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
643 numtouchedicts = MAX_EDICTS;
645 for (i = 0;i < numtouchedicts;i++)
647 touch = touchedicts[i];
649 if (touch->fields.client->solid < SOLID_BBOX)
651 if (type == MOVE_NOMONSTERS && touch->fields.client->solid != SOLID_BSP)
656 // don't clip against self
657 if (passedict == touch)
659 // don't clip owned entities against owner
660 if (traceowner == touch)
662 // don't clip owner against owned entities
663 if (passedictprog == touch->fields.client->owner)
665 // don't clip points against points (they can't collide)
666 if (pointtrace && VectorCompare(touch->fields.client->mins, touch->fields.client->maxs) && (type != MOVE_MISSILE || !((int)touch->fields.client->flags & FL_MONSTER)))
670 // might interact, so do an exact clip
671 if ((int)touch->fields.client->flags & FL_MONSTER)
672 trace = CSSV_ClipMoveToEntity(touch, clipstart, clipmins2, clipmaxs2, clipend, type, hitsupercontentsmask);
674 trace = CSSV_ClipMoveToEntity(touch, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
675 // LordHavoc: take the 'best' answers from the new trace and combine with existing data
677 cliptrace.allsolid = true;
678 if (trace.startsolid)
680 if (touch->fields.client->solid == SOLID_BSP)
681 cliptrace.bmodelstartsolid = true;
682 cliptrace.startsolid = true;
683 if (cliptrace.realfraction == 1)
684 cliptrace.ent = touch;
686 // don't set this except on the world, because it can easily confuse
687 // monsters underwater if there's a bmodel involved in the trace
688 // (inopen && inwater is how they check water visibility)
690 // cliptrace.inopen = true;
692 cliptrace.inwater = true;
693 if (trace.realfraction < cliptrace.realfraction)
695 cliptrace.fraction = trace.fraction;
696 cliptrace.realfraction = trace.realfraction;
697 VectorCopy(trace.endpos, cliptrace.endpos);
698 cliptrace.plane = trace.plane;
699 cliptrace.ent = touch;
700 cliptrace.hitsupercontents = trace.hitsupercontents;
701 cliptrace.hitq3surfaceflags = trace.hitq3surfaceflags;
702 cliptrace.hittexture = trace.hittexture;
704 cliptrace.startsupercontents |= trace.startsupercontents;
710 #if COLLISIONPARANOID >= 1
711 trace_t CSSV_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict)
716 trace = CSSV_Move_(start, mins, maxs, end, type, passedict);
719 VectorCopy(trace.endpos, temp);
720 endstuck = CSSV_Move_(temp, mins, maxs, temp, type, passedict).startsolid;
721 #if COLLISIONPARANOID < 3
722 if (trace.startsolid || endstuck)
724 Con_Printf("%s{e%i:%f %f %f:%f %f %f:%f:%f %f %f%s%s}\n", (trace.startsolid || endstuck) ? "^3" : "", passedict ? passedict - prog->edicts : -1, passedict->fields.client->origin[0], passedict->fields.client->origin[1], passedict->fields.client->origin[2], end[0] - passedict->fields.client->origin[0], end[1] - passedict->fields.client->origin[1], end[2] - passedict->fields.client->origin[2], trace.fraction, trace.endpos[0] - passedict->fields.client->origin[0], trace.endpos[1] - passedict->fields.client->origin[1], trace.endpos[2] - passedict->fields.client->origin[2], trace.startsolid ? " startstuck" : "", endstuck ? " endstuck" : "");
730 int CSSV_PointSuperContents(const vec3_t point)
732 return CSSV_Move(point, vec3_origin, vec3_origin, point, sv_gameplayfix_swiminbmodels.integer ? MOVE_NOMONSTERS : MOVE_WORLDONLY, NULL).startsupercontents;