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 extern cvar_t sv_debugmove;
33 extern cvar_t sv_areagrid_mingridsize;
35 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);
37 void CSSV_AreaStats_f(void);
39 void CSSV_World_Init(void)
41 Cvar_RegisterVariable(&sv_debugmove);
42 Cvar_RegisterVariable(&sv_areagrid_mingridsize);
43 Cmd_AddCommand("cssv_areastats", CSSV_AreaStats_f, "prints information on culling grid system");
47 //============================================================================
49 // CSClearLink is used for new headnodes
50 static void CSClearLink (link_t *l)
53 l->prev = l->next = l;
56 static void CSRemoveLink (link_t *l)
58 l->next->prev = l->prev;
59 l->prev->next = l->next;
62 static void CSInsertLinkBefore (link_t *l, link_t *before, int entitynumber)
64 l->entitynumber = entitynumber;
66 l->prev = before->prev;
73 ===============================================================================
77 ===============================================================================
80 int cssv_areagrid_stats_calls = 0;
81 int cssv_areagrid_stats_nodechecks = 0;
82 int cssv_areagrid_stats_entitychecks = 0;
84 void CSSV_AreaStats_f(void)
86 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);
87 cssv_areagrid_stats_calls = 0;
88 cssv_areagrid_stats_nodechecks = 0;
89 cssv_areagrid_stats_entitychecks = 0;
92 typedef struct areagrid_s
98 #define CSAREA_GRID 512
99 #define CSAREA_GRIDNODES (CSAREA_GRID * CSAREA_GRID)
101 static csareagrid_t cssv_areagrid[CSAREA_GRIDNODES], cssv_areagrid_outside;
102 static vec3_t cssv_areagrid_bias, cssv_areagrid_scale, cssv_areagrid_mins, cssv_areagrid_maxs, cssv_areagrid_size;
103 static int cssv_areagrid_marknumber = 1;
105 void CSSV_CreateAreaGrid (vec3_t mins, vec3_t maxs)
108 CSClearLink (&cssv_areagrid_outside.edicts);
109 // choose either the world box size, or a larger box to ensure the grid isn't too fine
110 cssv_areagrid_size[0] = max(maxs[0] - mins[0], CSAREA_GRID * sv_areagrid_mingridsize.value);
111 cssv_areagrid_size[1] = max(maxs[1] - mins[1], CSAREA_GRID * sv_areagrid_mingridsize.value);
112 cssv_areagrid_size[2] = max(maxs[2] - mins[2], CSAREA_GRID * sv_areagrid_mingridsize.value);
113 // figure out the corners of such a box, centered at the center of the world box
114 cssv_areagrid_mins[0] = (mins[0] + maxs[0] - cssv_areagrid_size[0]) * 0.5f;
115 cssv_areagrid_mins[1] = (mins[1] + maxs[1] - cssv_areagrid_size[1]) * 0.5f;
116 cssv_areagrid_mins[2] = (mins[2] + maxs[2] - cssv_areagrid_size[2]) * 0.5f;
117 cssv_areagrid_maxs[0] = (mins[0] + maxs[0] + cssv_areagrid_size[0]) * 0.5f;
118 cssv_areagrid_maxs[1] = (mins[1] + maxs[1] + cssv_areagrid_size[1]) * 0.5f;
119 cssv_areagrid_maxs[2] = (mins[2] + maxs[2] + cssv_areagrid_size[2]) * 0.5f;
120 // now calculate the actual useful info from that
121 VectorNegate(cssv_areagrid_mins, cssv_areagrid_bias);
122 cssv_areagrid_scale[0] = CSAREA_GRID / cssv_areagrid_size[0];
123 cssv_areagrid_scale[1] = CSAREA_GRID / cssv_areagrid_size[1];
124 cssv_areagrid_scale[2] = CSAREA_GRID / cssv_areagrid_size[2];
125 for (i = 0;i < CSAREA_GRIDNODES;i++)
127 CSClearLink (&cssv_areagrid[i].edicts);
129 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);
138 void CSSV_ClearWorld (void)
140 CSSV_CreateAreaGrid(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
150 void CSSV_UnlinkEdict (prvm_edict_t *ent)
153 for (i = 0;i < ENTITYGRIDAREAS;i++)
155 if (ent->priv.server->areagrid[i].prev)
157 CSRemoveLink (&ent->priv.server->areagrid[i]);
158 ent->priv.server->areagrid[i].prev = ent->priv.server->areagrid[i].next = NULL;
163 int CSSV_EntitiesInBox(vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
169 int igrid[3], igridmins[3], igridmaxs[3];
171 cssv_areagrid_stats_calls++;
172 cssv_areagrid_marknumber++;
173 igridmins[0] = (int) ((mins[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]);
174 igridmins[1] = (int) ((mins[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]);
175 //igridmins[2] = (int) ((mins[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]);
176 igridmaxs[0] = (int) ((maxs[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]) + 1;
177 igridmaxs[1] = (int) ((maxs[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]) + 1;
178 //igridmaxs[2] = (int) ((maxs[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]) + 1;
179 igridmins[0] = max(0, igridmins[0]);
180 igridmins[1] = max(0, igridmins[1]);
181 //igridmins[2] = max(0, igridmins[2]);
182 igridmaxs[0] = min(CSAREA_GRID, igridmaxs[0]);
183 igridmaxs[1] = min(CSAREA_GRID, igridmaxs[1]);
184 //igridmaxs[2] = min(CSAREA_GRID, igridmaxs[2]);
187 // add entities not linked into areagrid because they are too big or
188 // outside the grid bounds
189 if (cssv_areagrid_outside.edicts.next != &cssv_areagrid_outside.edicts)
191 for (l = cssv_areagrid_outside.edicts.next;l != &cssv_areagrid_outside.edicts;l = l->next)
193 ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
194 if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
196 ent->priv.server->areagridmarknumber = cssv_areagrid_marknumber;
197 if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
199 if (numlist < maxlist)
203 cssv_areagrid_stats_entitychecks++;
207 // add grid linked entities
208 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
210 grid = cssv_areagrid + igrid[1] * CSAREA_GRID + igridmins[0];
211 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
213 if (grid->edicts.next != &grid->edicts)
215 for (l = grid->edicts.next;l != &grid->edicts;l = l->next)
217 ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
218 if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
220 ent->priv.server->areagridmarknumber = cssv_areagrid_marknumber;
221 if (!ent->priv.server->free && BoxesOverlap(mins, maxs, ent->fields.client->absmin, ent->fields.client->absmax))
223 if (numlist < maxlist)
228 cssv_areagrid_stats_entitychecks++;
236 void CSSV_TouchAreaGrid(prvm_edict_t *ent)
238 int i, numtouchedicts, old_self, old_other;
239 prvm_edict_t *touch, *touchedicts[MAX_EDICTS];
241 // build a list of edicts to touch, because the link loop can be corrupted
242 // by CSSV_IncreaseEdicts called during touch functions
243 numtouchedicts = CSSV_EntitiesInBox(ent->fields.client->absmin, ent->fields.client->absmax, MAX_EDICTS, touchedicts);
244 if (numtouchedicts > MAX_EDICTS)
246 // this never happens
247 Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
248 numtouchedicts = MAX_EDICTS;
251 old_self = prog->globals.client->self;
252 old_other = prog->globals.client->other;
253 for (i = 0;i < numtouchedicts;i++)
255 touch = touchedicts[i];
256 if (touch != ent && (int)touch->fields.client->solid == SOLID_TRIGGER && touch->fields.client->touch)
258 prog->globals.client->self = PRVM_EDICT_TO_PROG(touch);
259 prog->globals.client->other = PRVM_EDICT_TO_PROG(ent);
260 prog->globals.client->time = cl.time;
261 PRVM_ExecuteProgram (touch->fields.client->touch, "QC function self.touch is missing");
264 prog->globals.client->self = old_self;
265 prog->globals.client->other = old_other;
268 void CSSV_LinkEdict_AreaGrid(prvm_edict_t *ent)
271 int igrid[3], igridmins[3], igridmaxs[3], gridnum, entitynumber = PRVM_NUM_FOR_EDICT(ent);
273 if (entitynumber <= 0 || entitynumber >= prog->max_edicts || PRVM_EDICT_NUM(entitynumber) != ent)
275 Con_Printf ("CSSV_LinkEdict_AreaGrid: invalid edict %p (edicts is %p, edict compared to prog->edicts is %i)\n", ent, prog->edicts, entitynumber);
279 igridmins[0] = (int) ((ent->fields.client->absmin[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]);
280 igridmins[1] = (int) ((ent->fields.client->absmin[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]);
281 //igridmins[2] = (int) ((ent->fields.client->absmin[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]);
282 igridmaxs[0] = (int) ((ent->fields.client->absmax[0] + cssv_areagrid_bias[0]) * cssv_areagrid_scale[0]) + 1;
283 igridmaxs[1] = (int) ((ent->fields.client->absmax[1] + cssv_areagrid_bias[1]) * cssv_areagrid_scale[1]) + 1;
284 //igridmaxs[2] = (int) ((ent->fields.client->absmax[2] + cssv_areagrid_bias[2]) * cssv_areagrid_scale[2]) + 1;
285 if (igridmins[0] < 0 || igridmaxs[0] > CSAREA_GRID || igridmins[1] < 0 || igridmaxs[1] > CSAREA_GRID || ((igridmaxs[0] - igridmins[0]) * (igridmaxs[1] - igridmins[1])) > ENTITYGRIDAREAS)
287 // wow, something outside the grid, store it as such
288 CSInsertLinkBefore (&ent->priv.server->areagrid[0], &cssv_areagrid_outside.edicts, entitynumber);
293 for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
295 grid = cssv_areagrid + igrid[1] * CSAREA_GRID + igridmins[0];
296 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++, gridnum++)
297 CSInsertLinkBefore (&ent->priv.server->areagrid[gridnum], &grid->edicts, entitynumber);
307 void CSSV_LinkEdict (prvm_edict_t *ent, qboolean touch_triggers)
311 if (ent->priv.server->areagrid[0].prev)
312 CSSV_UnlinkEdict (ent); // unlink from old position
314 if (ent == prog->edicts)
315 return; // don't add the world
317 if (ent->priv.server->free)
322 if (ent->fields.client->solid == SOLID_BSP)
324 int modelindex = ent->fields.client->modelindex;
325 if (modelindex < 0 || modelindex > MAX_MODELS)
327 Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
330 model = cl.model_precache[modelindex];
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.client->angles[0] || ent->fields.client->angles[2] || ent->fields.client->avelocity[0] || ent->fields.client->avelocity[2])
338 VectorAdd(ent->fields.client->origin, model->rotatedmins, ent->fields.client->absmin);
339 VectorAdd(ent->fields.client->origin, model->rotatedmaxs, ent->fields.client->absmax);
341 else if (ent->fields.client->angles[1] || ent->fields.client->avelocity[1])
343 VectorAdd(ent->fields.client->origin, model->yawmins, ent->fields.client->absmin);
344 VectorAdd(ent->fields.client->origin, model->yawmaxs, ent->fields.client->absmax);
348 VectorAdd(ent->fields.client->origin, model->normalmins, ent->fields.client->absmin);
349 VectorAdd(ent->fields.client->origin, model->normalmaxs, ent->fields.client->absmax);
354 // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
355 VectorAdd(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->absmin);
356 VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, ent->fields.client->absmax);
361 VectorAdd(ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->absmin);
362 VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, ent->fields.client->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.client->flags & FL_ITEM)
371 ent->fields.client->absmin[0] -= 15;
372 ent->fields.client->absmin[1] -= 15;
373 ent->fields.client->absmin[2] -= 1;
374 ent->fields.client->absmax[0] += 15;
375 ent->fields.client->absmax[1] += 15;
376 ent->fields.client->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.client->absmin[0] -= 1;
383 ent->fields.client->absmin[1] -= 1;
384 ent->fields.client->absmin[2] -= 1;
385 ent->fields.client->absmax[0] += 1;
386 ent->fields.client->absmax[1] += 1;
387 ent->fields.client->absmax[2] += 1;
390 if (ent->fields.client->solid == SOLID_NOT)
393 CSSV_LinkEdict_AreaGrid(ent);
395 // if touch_triggers, touch all entities at this node and descend for more
397 CSSV_TouchAreaGrid(ent);
403 ===============================================================================
405 POINT TESTING IN HULLS
407 ===============================================================================
412 SV_TestEntityPosition
414 This could be a lot more efficient...
417 int CSSV_TestEntityPosition (prvm_edict_t *ent)
419 return CSSV_Move (ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, ent->fields.client->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 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)
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.client->solid == SOLID_BSP || movetype == MOVE_HITMODEL)
453 unsigned int modelindex = 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 VectorAdd(starttransformed, maxs, starttransformedmaxs);
503 VectorAdd(endtransformed, maxs, endtransformedmaxs);
504 VectorAdd(starttransformed, mins, starttransformedmins);
505 VectorAdd(endtransformed, mins, endtransformedmins);
506 model->TraceBox(model, frame, &trace, starttransformedmins, starttransformedmaxs, endtransformedmins, endtransformedmaxs, hitsupercontents);
509 Collision_ClipTrace_Box(&trace, ent->fields.client->mins, ent->fields.client->maxs, starttransformed, mins, maxs, endtransformed, hitsupercontents, SUPERCONTENTS_SOLID);
510 trace.fraction = bound(0, trace.fraction, 1);
511 trace.realfraction = bound(0, trace.realfraction, 1);
513 if (trace.fraction < 1)
515 VectorLerp(start, trace.fraction, end, trace.endpos);
516 VectorCopy(trace.plane.normal, tempnormal);
517 Matrix4x4_Transform3x3(&matrix, tempnormal, trace.plane.normal);
518 // FIXME: should recalc trace.plane.dist
521 VectorCopy(end, trace.endpos);
526 //===========================================================================
533 #if COLLISIONPARANOID >= 1
534 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)
536 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)
539 vec3_t hullmins, hullmaxs;
541 int hitsupercontentsmask;
544 prvm_edict_t *traceowner, *touch;
546 // bounding box of entire move area
547 vec3_t clipboxmins, clipboxmaxs;
548 // size of the moving object
549 vec3_t clipmins, clipmaxs;
550 // size when clipping against monsters
551 vec3_t clipmins2, clipmaxs2;
552 // start and end origin of move
553 vec3_t clipstart, clipend;
557 prvm_edict_t *touchedicts[MAX_EDICTS];
559 VectorCopy(start, clipstart);
560 VectorCopy(end, clipend);
561 VectorCopy(mins, clipmins);
562 VectorCopy(maxs, clipmaxs);
563 VectorCopy(mins, clipmins2);
564 VectorCopy(maxs, clipmaxs2);
565 #if COLLISIONPARANOID >= 3
566 Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
569 hitsupercontentsmask = SUPERCONTENTS_SOLID;
572 if (passedict->fields.client->solid == SOLID_SLIDEBOX)
573 hitsupercontentsmask |= SUPERCONTENTS_PLAYERCLIP;
574 if ((int)passedict->fields.client->flags & FL_MONSTER)
575 hitsupercontentsmask |= SUPERCONTENTS_MONSTERCLIP;
579 cliptrace = CSSV_ClipMoveToEntity(prog->edicts, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
580 if (cliptrace.startsolid || cliptrace.fraction < 1)
581 cliptrace.ent = prog->edicts;
582 if (type == MOVE_WORLDONLY)
585 if (type == MOVE_MISSILE)
587 // LordHavoc: modified this, was = -15, now -= 15
588 for (i = 0;i < 3;i++)
595 // get adjusted box for bmodel collisions if the world is q1bsp or hlbsp
596 if (cl.worldmodel && cl.worldmodel->brush.RoundUpToHullSize)
597 cl.worldmodel->brush.RoundUpToHullSize(cl.worldmodel, clipmins, clipmaxs, hullmins, hullmaxs);
600 VectorCopy(clipmins, hullmins);
601 VectorCopy(clipmaxs, hullmaxs);
604 // create the bounding box of the entire move
605 for (i = 0;i < 3;i++)
607 clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + min(hullmins[i], clipmins2[i]) - 1;
608 clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + max(hullmaxs[i], clipmaxs2[i]) + 1;
611 // debug override to test against everything
612 if (sv_debugmove.integer)
614 clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
615 clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] = 999999999;
618 // if the passedict is world, make it NULL (to avoid two checks each time)
619 if (passedict == prog->edicts)
621 // precalculate prog value for passedict for comparisons
622 passedictprog = PRVM_EDICT_TO_PROG(passedict);
623 // figure out whether this is a point trace for comparisons
624 pointtrace = VectorCompare(clipmins, clipmaxs);
625 // precalculate passedict's owner edict pointer for comparisons
626 traceowner = passedict ? PRVM_PROG_TO_EDICT(passedict->fields.client->owner) : 0;
629 numtouchedicts = CSSV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
630 if (numtouchedicts > MAX_EDICTS)
632 // this never happens
633 Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
634 numtouchedicts = MAX_EDICTS;
636 for (i = 0;i < numtouchedicts;i++)
638 touch = touchedicts[i];
640 if (touch->fields.client->solid < SOLID_BBOX)
642 if (type == MOVE_NOMONSTERS && touch->fields.client->solid != SOLID_BSP)
647 // don't clip against self
648 if (passedict == touch)
650 // don't clip owned entities against owner
651 if (traceowner == touch)
653 // don't clip owner against owned entities
654 if (passedictprog == touch->fields.client->owner)
656 // don't clip points against points (they can't collide)
657 if (pointtrace && VectorCompare(touch->fields.client->mins, touch->fields.client->maxs) && (type != MOVE_MISSILE || !((int)touch->fields.client->flags & FL_MONSTER)))
659 // don't clip corpse against character
660 if (passedict->fields.client->solid == SOLID_CORPSE && (touch->fields.client->solid == SOLID_SLIDEBOX || touch->fields.client->solid == SOLID_CORPSE))
662 // don't clip character against corpse
663 if (passedict->fields.client->solid == SOLID_SLIDEBOX && touch->fields.client->solid == SOLID_CORPSE)
667 // might interact, so do an exact clip
668 if ((int)touch->fields.client->flags & FL_MONSTER)
669 trace = CSSV_ClipMoveToEntity(touch, clipstart, clipmins2, clipmaxs2, clipend, type, hitsupercontentsmask);
671 trace = CSSV_ClipMoveToEntity(touch, clipstart, clipmins, clipmaxs, clipend, type, hitsupercontentsmask);
672 // LordHavoc: take the 'best' answers from the new trace and combine with existing data
674 cliptrace.allsolid = true;
675 if (trace.startsolid)
677 cliptrace.startsolid = true;
678 if (cliptrace.realfraction == 1)
679 cliptrace.ent = touch;
681 // don't set this except on the world, because it can easily confuse
682 // monsters underwater if there's a bmodel involved in the trace
683 // (inopen && inwater is how they check water visibility)
685 // cliptrace.inopen = true;
687 cliptrace.inwater = true;
688 if (trace.realfraction < cliptrace.realfraction)
690 cliptrace.fraction = trace.fraction;
691 cliptrace.realfraction = trace.realfraction;
692 VectorCopy(trace.endpos, cliptrace.endpos);
693 cliptrace.plane = trace.plane;
694 cliptrace.ent = touch;
696 cliptrace.startsupercontents |= trace.startsupercontents;
702 #if COLLISIONPARANOID >= 1
703 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)
708 trace = CSSV_Move_(start, mins, maxs, end, type, passedict);
711 VectorCopy(trace.endpos, temp);
712 endstuck = CSSV_Move_(temp, mins, maxs, temp, type, passedict).startsolid;
713 #if COLLISIONPARANOID < 3
714 if (trace.startsolid || endstuck)
716 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.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" : "");
722 int CSSV_PointSuperContents(const vec3_t point)
724 return CSSV_Move(point, vec3_origin, vec3_origin, point, sv_gameplayfix_swiminbmodels.integer ? MOVE_NOMONSTERS : MOVE_WORLDONLY, NULL).startsupercontents;
727 int CSSV_PointQ1Contents(const vec3_t point)
729 return Mod_Q1BSP_NativeContentsFromSuperContents(NULL, CSSV_PointSuperContents(point));