world_cs.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   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.
   8
   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.
  12
  13 See the GNU General Public License for more details.
  14
  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.
  18
  19 */
  20 // world.c -- world query functions
  21
  22 #include "quakedef.h"
  23 #include "csprogs.h"
  24
  25 /*
  26
  27 entities never clip against themselves, or their owner
  28
  29 line of sight checks trace->inopen and trace->inwater, but bullets don't
  30
  31 */
  32
  33 extern cvar_t sv_debugmove;
  34 extern cvar_t sv_areagrid_mingridsize;
  35
  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);
  37
  38 void CSSV_AreaStats_f(void);
  39
  40 void CSSV_World_Init(void)
  41 {
  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");
  45         Collision_Init();
  46 }
  47
  48 //============================================================================
  49
  50 // CSClearLink is used for new headnodes
  51 static void CSClearLink (link_t *l)
  52 {
  53         l->entitynumber = 0;
  54         l->prev = l->next = l;
  55 }
  56
  57 static void CSRemoveLink (link_t *l)
  58 {
  59         l->next->prev = l->prev;
  60         l->prev->next = l->next;
  61 }
  62
  63 static void CSInsertLinkBefore (link_t *l, link_t *before, int entitynumber)
  64 {
  65         l->entitynumber = entitynumber;
  66         l->next = before;
  67         l->prev = before->prev;
  68         l->prev->next = l;
  69         l->next->prev = l;
  70 }
  71
  72
  73 /*
  74 ===============================================================================
  75
  76 ENTITY AREA CHECKING
  77
  78 ===============================================================================
  79 */
  80
  81 int cssv_areagrid_stats_calls = 0;
  82 int cssv_areagrid_stats_nodechecks = 0;
  83 int cssv_areagrid_stats_entitychecks = 0;
  84
  85 void CSSV_AreaStats_f(void)
  86 {
  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;
  91 }
  92
  93 typedef struct areagrid_s
  94 {
  95         link_t edicts;
  96 }
  97 csareagrid_t;
  98
  99 #define CSAREA_GRID 512
 100 #define CSAREA_GRIDNODES (CSAREA_GRID * CSAREA_GRID)
 101
 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;
 105
 106 void CSSV_CreateAreaGrid (vec3_t mins, vec3_t maxs)
 107 {
 108         int i;
 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++)
 127         {
 128                 CSClearLink (&cssv_areagrid[i].edicts);
 129         }
 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);
 131 }
 132
 133 /*
 134 ===============
 135 CSSV_ClearWorld
 136
 137 ===============
 138 */
 139 void CSSV_ClearWorld (void)
 140 {
 141         CSSV_CreateAreaGrid(cl.worldmodel->normalmins, cl.worldmodel->normalmaxs);
 142 }
 143
 144
 145 /*
 146 ===============
 147 CSSV_UnlinkEdict
 148
 149 ===============
 150 */
 151 void CSSV_UnlinkEdict (prvm_edict_t *ent)
 152 {
 153         int i;
 154         for (i = 0;i < ENTITYGRIDAREAS;i++)
 155         {
 156                 if (ent->priv.server->areagrid[i].prev)
 157                 {
 158                         CSRemoveLink (&ent->priv.server->areagrid[i]);
 159                         ent->priv.server->areagrid[i].prev = ent->priv.server->areagrid[i].next = NULL;
 160                 }
 161         }
 162 }
 163
 164 int CSSV_EntitiesInBox(vec3_t mins, vec3_t maxs, int maxlist, prvm_edict_t **list)
 165 {
 166         int numlist;
 167         csareagrid_t *grid;
 168         link_t *l;
 169         prvm_edict_t *ent;
 170         int igrid[3], igridmins[3], igridmaxs[3];
 171
 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]);
 186
 187         numlist = 0;
 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)
 191         {
 192                 for (l = cssv_areagrid_outside.edicts.next;l != &cssv_areagrid_outside.edicts;l = l->next)
 193                 {
 194                         ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
 195                         if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
 196                         {
 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))
 199                                 {
 200                                         if (numlist < maxlist)
 201                                                 list[numlist] = ent;
 202                                         numlist++;
 203                                 }
 204                                 cssv_areagrid_stats_entitychecks++;
 205                         }
 206                 }
 207         }
 208         // add grid linked entities
 209         for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
 210         {
 211                 grid = cssv_areagrid + igrid[1] * CSAREA_GRID + igridmins[0];
 212                 for (igrid[0] = igridmins[0];igrid[0] < igridmaxs[0];igrid[0]++, grid++)
 213                 {
 214                         if (grid->edicts.next != &grid->edicts)
 215                         {
 216                                 for (l = grid->edicts.next;l != &grid->edicts;l = l->next)
 217                                 {
 218                                         ent = PRVM_EDICT_NUM_UNSIGNED(l->entitynumber);
 219                                         if (ent->priv.server->areagridmarknumber != cssv_areagrid_marknumber)
 220                                         {
 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))
 223                                                 {
 224                                                         if (numlist < maxlist)
 225                                                                 list[numlist] = ent;
 226                                                         numlist++;
 227                                                 }
 228                                         }
 229                                         cssv_areagrid_stats_entitychecks++;
 230                                 }
 231                         }
 232                 }
 233         }
 234         return numlist;
 235 }
 236
 237 void CSSV_TouchAreaGrid(prvm_edict_t *ent)
 238 {
 239         int i, numtouchedicts, old_self, old_other;
 240         prvm_edict_t *touch, *touchedicts[MAX_EDICTS];
 241
 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)
 246         {
 247                 // this never happens
 248                 Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
 249                 numtouchedicts = MAX_EDICTS;
 250         }
 251
 252         old_self = prog->globals.client->self;
 253         old_other = prog->globals.client->other;
 254         for (i = 0;i < numtouchedicts;i++)
 255         {
 256                 touch = touchedicts[i];
 257                 if (touch != ent && (int)touch->fields.client->solid == SOLID_TRIGGER && touch->fields.client->touch)
 258                 {
 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");
 263                 }
 264         }
 265         prog->globals.client->self = old_self;
 266         prog->globals.client->other = old_other;
 267 }
 268
 269 void CSSV_LinkEdict_AreaGrid(prvm_edict_t *ent)
 270 {
 271         csareagrid_t *grid;
 272         int igrid[3], igridmins[3], igridmaxs[3], gridnum, entitynumber = PRVM_NUM_FOR_EDICT(ent);
 273
 274         if (entitynumber <= 0 || entitynumber >= prog->max_edicts || PRVM_EDICT_NUM(entitynumber) != ent)
 275         {
 276                 Con_Printf ("CSSV_LinkEdict_AreaGrid: invalid edict %p (edicts is %p, edict compared to prog->edicts is %i)\n", ent, prog->edicts, entitynumber);
 277                 return;
 278         }
 279
 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)
 287         {
 288                 // wow, something outside the grid, store it as such
 289                 CSInsertLinkBefore (&ent->priv.server->areagrid[0], &cssv_areagrid_outside.edicts, entitynumber);
 290                 return;
 291         }
 292
 293         gridnum = 0;
 294         for (igrid[1] = igridmins[1];igrid[1] < igridmaxs[1];igrid[1]++)
 295         {
 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);
 299         }
 300 }
 301
 302 /*
 303 ===============
 304 SV_LinkEdict
 305
 306 ===============
 307 */
 308 void CSSV_LinkEdict (prvm_edict_t *ent, qboolean touch_triggers)
 309 {
 310         model_t *model;
 311
 312         if (ent->priv.server->areagrid[0].prev)
 313                 CSSV_UnlinkEdict (ent); // unlink from old position
 314
 315         if (ent == prog->edicts)
 316                 return;         // don't add the world
 317
 318         if (ent->priv.server->free)
 319                 return;
 320
 321 // set the abs box
 322
 323         if (ent->fields.client->solid == SOLID_BSP)
 324         {
 325                 int modelindex = (int)ent->fields.client->modelindex;
 326                 if (modelindex < 0 || modelindex > MAX_MODELS)
 327                 {
 328                         Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
 329                         modelindex = 0;
 330                 }
 331                 model = cl.model_precache[modelindex];
 332                 if (model != NULL)
 333                 {
 334                         if (!model->TraceBox)
 335                                 Con_Printf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
 336
 337                         if (ent->fields.client->angles[0] || ent->fields.client->angles[2] || ent->fields.client->avelocity[0] || ent->fields.client->avelocity[2])
 338                         {
 339                                 VectorAdd(ent->fields.client->origin, model->rotatedmins, ent->fields.client->absmin);
 340                                 VectorAdd(ent->fields.client->origin, model->rotatedmaxs, ent->fields.client->absmax);
 341                         }
 342                         else if (ent->fields.client->angles[1] || ent->fields.client->avelocity[1])
 343                         {
 344                                 VectorAdd(ent->fields.client->origin, model->yawmins, ent->fields.client->absmin);
 345                                 VectorAdd(ent->fields.client->origin, model->yawmaxs, ent->fields.client->absmax);
 346                         }
 347                         else
 348                         {
 349                                 VectorAdd(ent->fields.client->origin, model->normalmins, ent->fields.client->absmin);
 350                                 VectorAdd(ent->fields.client->origin, model->normalmaxs, ent->fields.client->absmax);
 351                         }
 352                 }
 353                 else
 354                 {
 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);
 358                 }
 359         }
 360         else
 361         {
 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);
 364         }
 365
 366 //
 367 // to make items easier to pick up and allow them to be grabbed off
 368 // of shelves, the abs sizes are expanded
 369 //
 370         if ((int)ent->fields.client->flags & FL_ITEM)
 371         {
 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;
 378         }
 379         else
 380         {
 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;
 389         }
 390
 391         if (ent->fields.client->solid == SOLID_NOT)
 392                 return;
 393
 394         CSSV_LinkEdict_AreaGrid(ent);
 395
 396 // if touch_triggers, touch all entities at this node and descend for more
 397         if (touch_triggers)
 398                 CSSV_TouchAreaGrid(ent);
 399 }
 400
 401
 402
 403 /*
 404 ===============================================================================
 405
 406 POINT TESTING IN HULLS
 407
 408 ===============================================================================
 409 */
 410
 411 /*
 412 ============
 413 SV_TestEntityPosition
 414
 415 This could be a lot more efficient...
 416 ============
 417 */
 418 int CSSV_TestEntityPosition (prvm_edict_t *ent)
 419 {
 420         return CSSV_Move (ent->fields.client->origin, ent->fields.client->mins, ent->fields.client->maxs, ent->fields.client->origin, MOVE_NORMAL, ent).startsolid;
 421 }
 422
 423
 424 /*
 425 ===============================================================================
 426
 427 LINE TESTING IN HULLS
 428
 429 ===============================================================================
 430 */
 431
 432 /*
 433 ==================
 434 SV_ClipMoveToEntity
 435
 436 Handles selection or creation of a clipping hull, and offseting (and
 437 eventually rotation) of the end points
 438 ==================
 439 */
 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)
 441 {
 442         trace_t trace;
 443         model_t *model = NULL;
 444         matrix4x4_t matrix, imatrix;
 445         float tempnormal[3], starttransformed[3], endtransformed[3];
 446
 447         memset(&trace, 0, sizeof(trace));
 448         trace.fraction = trace.realfraction = 1;
 449         VectorCopy(end, trace.endpos);
 450
 451         if ((int) ent->fields.client->solid == SOLID_BSP || movetype == MOVE_HITMODEL)
 452         {
 453                 unsigned int modelindex = (unsigned int)ent->fields.client->modelindex;
 454                 // if the modelindex is 0, it shouldn't be SOLID_BSP!
 455                 if (modelindex == 0)
 456                 {
 457                         Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with no model\n", PRVM_NUM_FOR_EDICT(ent));
 458                         return trace;
 459                 }
 460                 if (modelindex >= MAX_MODELS)
 461                 {
 462                         Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with invalid modelindex\n", PRVM_NUM_FOR_EDICT(ent));
 463                         return trace;
 464                 }
 465                 model = cl.model_precache[modelindex];
 466                 if (modelindex != 0 && model == NULL)
 467                 {
 468                         Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with invalid modelindex\n", PRVM_NUM_FOR_EDICT(ent));
 469                         return trace;
 470                 }
 471
 472                 if ((int) ent->fields.client->solid == SOLID_BSP)
 473                 {
 474                         if (!model->TraceBox)
 475                         {
 476                                 Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP with a non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
 477                                 return trace;
 478                         }
 479                         //if (ent->fields.client->movetype != MOVETYPE_PUSH)
 480                         //{
 481                         //      Con_Printf("SV_ClipMoveToEntity: edict %i: SOLID_BSP without MOVETYPE_PUSH\n", PRVM_NUM_FOR_EDICT(ent));
 482                         //      return trace;
 483                         //}
 484                 }
 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);
 486         }
 487         else
 488                 Matrix4x4_CreateTranslate(&matrix, ent->fields.client->origin[0], ent->fields.client->origin[1], ent->fields.client->origin[2]);
 489
 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]);
 495 #endif
 496
 497         if (model && model->TraceBox)
 498         {
 499                 int frame;
 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);
 503         }
 504         else
 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);
 508
 509         if (trace.fraction < 1)
 510         {
 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
 515         }
 516         else
 517                 VectorCopy(end, trace.endpos);
 518
 519         return trace;
 520 }
 521
 522 //===========================================================================
 523
 524 /*
 525 ==================
 526 SV_Move
 527 ==================
 528 */
 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)
 531 #else
 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)
 533 #endif
 534 {
 535         vec3_t hullmins, hullmaxs;
 536         int i;
 537         int hitsupercontentsmask;
 538         int passedictprog;
 539         qboolean pointtrace;
 540         prvm_edict_t *traceowner, *touch;
 541         prvm_eval_t *val;
 542         trace_t trace;
 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;
 551         // trace results
 552         trace_t cliptrace;
 553         int numtouchedicts;
 554         prvm_edict_t *touchedicts[MAX_EDICTS];
 555
 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]);
 564 #endif
 565
 566         if (passedict)
 567         {
 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)
 572                 {
 573                         if ((int)passedict->fields.client->flags & FL_MONSTER)
 574                                 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_MONSTERCLIP;
 575                         else
 576                                 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP;
 577                 }
 578                 else if (passedict->fields.client->solid == SOLID_CORPSE)
 579                         hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
 580                 else
 581                         hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
 582         }
 583         else
 584                 hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
 585
 586         // clip to world
 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)
 592                 return cliptrace;
 593
 594         if (type == MOVE_MISSILE)
 595         {
 596                 // LordHavoc: modified this, was = -15, now -= 15
 597                 for (i = 0;i < 3;i++)
 598                 {
 599                         clipmins2[i] -= 15;
 600                         clipmaxs2[i] += 15;
 601                 }
 602         }
 603
 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);
 607         else
 608         {
 609                 VectorCopy(clipmins, hullmins);
 610                 VectorCopy(clipmaxs, hullmaxs);
 611         }
 612
 613         // create the bounding box of the entire move
 614         for (i = 0;i < 3;i++)
 615         {
 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;
 618         }
 619
 620         // debug override to test against everything
 621         if (sv_debugmove.integer)
 622         {
 623                 clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
 624                 clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] =  999999999;
 625         }
 626
 627         // if the passedict is world, make it NULL (to avoid two checks each time)
 628         if (passedict == prog->edicts)
 629                 passedict = NULL;
 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;
 636
 637         // clip to enttiies
 638         numtouchedicts = CSSV_EntitiesInBox(clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
 639         if (numtouchedicts > MAX_EDICTS)
 640         {
 641                 // this never happens
 642                 Con_Printf("CSSV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
 643                 numtouchedicts = MAX_EDICTS;
 644         }
 645         for (i = 0;i < numtouchedicts;i++)
 646         {
 647                 touch = touchedicts[i];
 648
 649                 if (touch->fields.client->solid < SOLID_BBOX)
 650                         continue;
 651                 if (type == MOVE_NOMONSTERS && touch->fields.client->solid != SOLID_BSP)
 652                         continue;
 653
 654                 if (passedict)
 655                 {
 656                         // don't clip against self
 657                         if (passedict == touch)
 658                                 continue;
 659                         // don't clip owned entities against owner
 660                         if (traceowner == touch)
 661                                 continue;
 662                         // don't clip owner against owned entities
 663                         if (passedictprog == touch->fields.client->owner)
 664                                 continue;
 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)))
 667                                 continue;
 668                 }
 669
 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);
 673                 else
 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
 676                 if (trace.allsolid)
 677                         cliptrace.allsolid = true;
 678                 if (trace.startsolid)
 679                 {
 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;
 685                 }
 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)
 689                 //if (trace.inopen)
 690                 //      cliptrace.inopen = true;
 691                 if (trace.inwater)
 692                         cliptrace.inwater = true;
 693                 if (trace.realfraction < cliptrace.realfraction)
 694                 {
 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;
 703                 }
 704                 cliptrace.startsupercontents |= trace.startsupercontents;
 705         }
 706
 707         return cliptrace;
 708 }
 709
 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)
 712 {
 713         int endstuck;
 714         trace_t trace;
 715         vec3_t temp;
 716         trace = CSSV_Move_(start, mins, maxs, end, type, passedict);
 717         if (passedict)
 718         {
 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)
 723 #endif
 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" : "");
 725         }
 726         return trace;
 727 }
 728 #endif
 729
 730 int CSSV_PointSuperContents(const vec3_t point)
 731 {
 732         return CSSV_Move(point, vec3_origin, vec3_origin, point, sv_gameplayfix_swiminbmodels.integer ? MOVE_NOMONSTERS : MOVE_WORLDONLY, NULL).startsupercontents;
 733 }
 734
 735