forked from QwazyWabbitWOS/W-O-R-Rampage
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathg_phys.c
1179 lines (994 loc) · 26.6 KB
/
g_phys.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
Copyright (C) 1997-2001 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// g_phys.c
#include "g_local.h"
/*
pushmove objects do not obey gravity, and do not interact with each other or trigger fields, but block normal movement and push normal objects when they move.
onground is set for toss objects when they come to a complete rest. it is set for steping or walking objects
doors, plats, etc are SOLID_BSP, and MOVETYPE_PUSH
bonus items are SOLID_TRIGGER touch, and MOVETYPE_TOSS
corpses are SOLID_NOT and MOVETYPE_TOSS
crates are SOLID_BBOX and MOVETYPE_TOSS
walking monsters are SOLID_SLIDEBOX and MOVETYPE_STEP
flying/floating monsters are SOLID_SLIDEBOX and MOVETYPE_FLY
solid_edge items only clip against bsp models.
*/
/*
============
SV_TestEntityPosition
============
*/
edict_t * SV_TestEntityPosition (edict_t *ent)
{
trace_t trace;
int mask;
if (ent->clipmask)
mask = ent->clipmask;
else
mask = MASK_SOLID;
trace = gi.trace (ent->s.origin, ent->mins, ent->maxs, ent->s.origin, ent, mask);
if (trace.startsolid)
return g_edicts;
return NULL;
}
/*
================
SV_CheckVelocity
================
*/
void SV_CheckVelocity (edict_t *ent)
{
int i;
//
// bound velocity
//
for (i=0 ; i<3 ; i++)
{
if (ent->velocity[i] > sv_maxvelocity->value)
ent->velocity[i] = sv_maxvelocity->value;
else if (ent->velocity[i] < -sv_maxvelocity->value)
ent->velocity[i] = -sv_maxvelocity->value;
}
}
/*
=============
Runs thinking code for this frame if necessary
=============
*/
qboolean SV_RunThink(edict_t* ent)
{
float thinktime;
thinktime = ent->nextthink;
if (thinktime <= 0)
return true;
if (thinktime > level.time + 0.001)
return true;
ent->nextthink = 0;
if (!ent->think || !ent->inuse)
{
if (ent->classname && ent->model)
gi.dprintf("NULL ent->think (classname %s, model %s mapname %s)\n", ent->classname, ent->model, level.mapname);
else if (ent->classname)
gi.dprintf("NULL ent->think (classname %s mapname %s)\n", ent->classname, level.mapname);
else
gi.dprintf("NULL ent->think (mapname %s)\n", level.mapname);
return false;
}
ent->think(ent);
return false;
}
/*
==================
SV_Impact
Two entities have touched, so run their touch functions
==================
*/
void SV_Impact (edict_t *e1, trace_t *trace)
{
edict_t *e2;
e2 = trace->ent;
if (e1->touch && e1->solid != SOLID_NOT)
e1->touch (e1, e2, &trace->plane, trace->surface);
//trace_t *trace_copy = trace;
//VectorNegate(trace_copy->plane.normal, trace_copy->plane.normal);
if (e2->touch && e2->solid != SOLID_NOT)
e2->touch (e2, e1, NULL, NULL);
}
/*
==================
ClipVelocity
Slide off of the impacting object
returns the blocked flags (1 = floor, 2 = step / wall)
==================
*/
#define STOP_EPSILON 0.1
int ClipVelocity (vec3_t in, vec3_t normal, vec3_t out, float overbounce)
{
float backoff;
float change;
int i, blocked;
blocked = 0;
if (normal[2] > 0)
blocked |= 1; // floor
if (!normal[2])
blocked |= 2; // step
backoff = DotProduct (in, normal) * overbounce;
for (i=0 ; i<3 ; i++)
{
change = normal[i]*backoff;
out[i] = in[i] - change;
if (out[i] > -STOP_EPSILON && out[i] < STOP_EPSILON)
out[i] = 0;
}
return blocked;
}
/*
============
SV_FlyMove
The basic solid body movement clip that slides along multiple planes
Returns the clipflags if the velocity was modified (hit something solid)
1 = floor
2 = wall / step
4 = dead stop
============
*/
#define MAX_CLIP_PLANES 5
int SV_FlyMove (edict_t *ent, float time, int mask)
{
edict_t *hit;
int bumpcount, numbumps;
vec3_t dir;
float d;
int numplanes;
vec3_t planes[MAX_CLIP_PLANES] = { 0 };
vec3_t primal_velocity = { 0 };
vec3_t original_velocity = { 0 };
vec3_t new_velocity;
int i, j;
trace_t trace;
vec3_t end = { 0 };
float time_left;
int blocked;
numbumps = 4;
blocked = 0;
VectorCopy (ent->velocity, original_velocity);
VectorCopy (ent->velocity, primal_velocity);
numplanes = 0;
time_left = time;
ent->groundentity = NULL;
for (bumpcount=0 ; bumpcount<numbumps ; bumpcount++)
{
for (i=0 ; i<3 ; i++)
end[i] = ent->s.origin[i] + time_left * ent->velocity[i];
trace = gi.trace (ent->s.origin, ent->mins, ent->maxs, end, ent, mask);
if (trace.allsolid)
{ // entity is trapped in another solid
VectorCopy (vec3_origin, ent->velocity);
return 3;
}
if (trace.fraction > 0)
{ // actually covered some distance
VectorCopy (trace.endpos, ent->s.origin);
VectorCopy (ent->velocity, original_velocity);
numplanes = 0;
}
if (trace.fraction == 1)
break; // moved the entire distance
hit = trace.ent;
if (trace.plane.normal[2] > 0.7)
{
blocked |= 1; // floor
if ( hit->solid == SOLID_BSP)
{
ent->groundentity = hit;
ent->groundentity_linkcount = hit->linkcount;
}
}
if (!trace.plane.normal[2])
{
blocked |= 2; // step
}
//
// run the impact function
//
SV_Impact (ent, &trace);
if (!ent->inuse)
break; // removed by the impact function
time_left -= time_left * trace.fraction;
// cliped to another plane
if (numplanes >= MAX_CLIP_PLANES)
{ // this shouldn't really happen
VectorCopy (vec3_origin, ent->velocity);
return 3;
}
VectorCopy (trace.plane.normal, planes[numplanes]);
numplanes++;
//
// modify original_velocity so it parallels all of the clip planes
//
for (i=0 ; i<numplanes ; i++)
{
ClipVelocity (original_velocity, planes[i], new_velocity, 1);
for (j=0 ; j<numplanes ; j++)
if ((j != i) && !VectorCompare (planes[i], planes[j]))
{
if (DotProduct (new_velocity, planes[j]) < 0)
break; // not ok
}
if (j == numplanes)
break;
}
if (i != numplanes)
{ // go along this plane
VectorCopy (new_velocity, ent->velocity);
}
else
{ // go along the crease
if (numplanes != 2)
{
// gi.dprintf ("clip velocity, numplanes == %i\n",numplanes);
VectorCopy (vec3_origin, ent->velocity);
return 7;
}
CrossProduct (planes[0], planes[1], dir);
d = DotProduct (dir, ent->velocity);
VectorScale (dir, d, ent->velocity);
}
//
// if original velocity is against the original velocity, stop dead
// to avoid tiny occilations in sloping corners
//
if (DotProduct (ent->velocity, primal_velocity) <= 0)
{
VectorCopy (vec3_origin, ent->velocity);
return blocked;
}
}
return blocked;
}
/*
============
SV_AddGravity
============
*/
void SV_AddGravity (edict_t *ent)
{
ent->velocity[2] -= ent->gravity * sv_gravity->value * FRAMETIME;
}
/*
===============================================================================
PUSHMOVE
===============================================================================
*/
/*
============
SV_PushEntity
Does not change the entities velocity at all
============
*/
void bolt_ghosting(edict_t *ent, int mode)
{
edict_t *e;
int i;
e = &g_edicts[(int)maxclients->value + 1];
for (i = maxclients->value + 1; i < globals.num_edicts; i++, e++)
{
if (e->inuse && (e->svflags & SVF_BOLT) && e->owner_solid == ent->owner_solid && e != ent)
{
if (mode == MODE_GHOST)
{
VectorClear(e->mins);
VectorClear(e->maxs);
e->solid = SOLID_NOT;
}
else
{
VectorSet(e->mins, -BOLT_SIZE, -BOLT_SIZE, -BOLT_SIZE);
VectorSet(e->maxs, BOLT_SIZE, BOLT_SIZE, BOLT_SIZE);
e->solid = SOLID_BBOX;
}
}
}
}
trace_t SV_PushEntity (edict_t *ent, vec3_t push)
{
trace_t trace;
vec3_t start = { 0 };
vec3_t end = { 0 };
int mask;
edict_t *ignore = ent;
int bolt_retry = 0;
VectorCopy (ent->s.origin, start);
VectorAdd (start, push, end);
retry:
if (ent->clipmask)
mask = ent->clipmask;
else
mask = MASK_SOLID;
if(!bolt_retry)
trace = gi.trace (start, ent->mins, ent->maxs, end, ignore, mask);
else
trace = gi.trace(start, NULL, NULL, end, ignore, mask);
if ((ent->svflags & SVF_BOLT) && (trace.ent->svflags & SVF_BOLT) )
{
if(ent->owner_solid != trace.ent->owner_solid) //touch other players bolts, but pass through them
SV_Impact(ent, &trace);
if (bolt_retry > 100)
{
//if (ent->svflags & FL_BOLT) // if there's is a better method for one owner bolts not touching themselves
bolt_ghosting(ent, MODE_GHOST); // msg me //woju
}
//if(trace.ent->owner_solid != ent->owner_solid && trace.fraction != 1.0)
// SV_Impact(ent, &trace);
bolt_retry++;
VectorCopy(trace.endpos, start);
ignore = trace.ent;
goto retry;
}
if(bolt_retry > 100)
bolt_ghosting(ent, MODE_SOLID); //make all bolts of this owner solid back again
VectorCopy (trace.endpos, ent->s.origin);
// if (ent->svflags & FL_BOLT)
//
//gi.bprintf(PRINT_HIGH, "BOLT: %i retries!", bolt_retry);
gi.linkentity (ent);
if ((ent->svflags & SVF_BOLT) && (trace.ent->svflags & SVF_BOLT) && trace.ent->owner_solid == ent->owner_solid && trace.fraction != 1.0)
{
//gi.bprintf(PRINT_HIGH, "BOLT: prevented from touching!");
return trace;
}
else if (trace.fraction != 1.0)
{
if (ent->svflags & SVF_GRAVITYGRENADE && trace.ent->svflags & SVF_GRAVITYGRENADE)
{
VectorCopy(start, ent->s.origin);
gi.linkentity(ent);
VectorCopy(trace.endpos, start);
ignore = trace.ent;
goto retry;
}
SV_Impact (ent, &trace);
// if the pushed entity went away and the pusher is still there
if (!trace.ent->inuse && ent->inuse)
{
// move the pusher back and try again
VectorCopy (start, ent->s.origin);
gi.linkentity (ent);
goto retry;
}
}
if (ent->inuse)
G_TouchTriggers (ent);
return trace;
}
typedef struct
{
edict_t *ent;
vec3_t origin;
vec3_t angles;
float deltayaw;
} pushed_t;
pushed_t pushed[MAX_EDICTS], *pushed_p;
edict_t *obstacle;
// Knightmare added
/*
===============
SV_RealBoundingBox
Borrowed from Lazarus g_phys.c
===============
*/
void SV_RealBoundingBox (edict_t *ent, vec3_t mins, vec3_t maxs)
{
vec3_t forward, left, up, f1, l1, u1;
vec3_t p[8] = { 0 };
int i, j, k, j2, k4;
for (k=0; k<2; k++)
{
k4 = k*4;
if (k)
p[k4][2] = ent->maxs[2];
else
p[k4][2] = ent->mins[2];
p[k4+1][2] = p[k4][2];
p[k4+2][2] = p[k4][2];
p[k4+3][2] = p[k4][2];
for (j=0; j<2; j++)
{
j2 = j*2;
if (j)
p[j2+k4][1] = ent->maxs[1];
else
p[j2+k4][1] = ent->mins[1];
p[j2+k4+1][1] = p[j2+k4][1];
for (i=0; i<2; i++)
{
if (i)
p[i+j2+k4][0] = ent->maxs[0];
else
p[i+j2+k4][0] = ent->mins[0];
}
}
}
AngleVectors(ent->s.angles,forward,left,up);
for (i=0; i<8; i++)
{
VectorScale(forward,p[i][0],f1);
VectorScale(left,-p[i][1],l1);
VectorScale(up,p[i][2],u1);
VectorAdd(ent->s.origin,f1,p[i]);
VectorAdd(p[i],l1,p[i]);
VectorAdd(p[i],u1,p[i]);
}
VectorCopy(p[0],mins);
VectorCopy(p[0],maxs);
for (i=1; i<8; i++)
{
mins[0] = min(mins[0],p[i][0]);
mins[1] = min(mins[1],p[i][1]);
mins[2] = min(mins[2],p[i][2]);
maxs[0] = max(maxs[0],p[i][0]);
maxs[1] = max(maxs[1],p[i][1]);
maxs[2] = max(maxs[2],p[i][2]);
}
}
// end Knightmare
/*
============
SV_Push
Objects need to be moved back on a failed push,
otherwise riders would continue to slide.
============
*/
qboolean SV_Push (edict_t *pusher, vec3_t move, vec3_t amove)
{
int i, e;
edict_t *check, *block;
vec3_t mins = { 0 }, maxs = { 0 };
pushed_t *p;
vec3_t org = { 0 };
vec3_t org2 = { 0 };
vec3_t move2 = { 0 };
vec3_t forward, right, up;
vec3_t realmins, realmaxs; // Knightmare added
if (!pusher)
return false;
// clamp the move to 1/8 units, so the position will
// be accurate for client side prediction
for (i=0 ; i<3 ; i++)
{
float temp;
temp = move[i]*8.0;
if (temp > 0.0)
temp += 0.5;
else
temp -= 0.5;
move[i] = 0.125 * (int)temp;
}
// find the bounding box
for (i=0 ; i<3 ; i++)
{
mins[i] = pusher->absmin[i] + move[i];
maxs[i] = pusher->absmax[i] + move[i];
}
// we need this for pushing things later
VectorSubtract (vec3_origin, amove, org);
AngleVectors (org, forward, right, up);
// save the pusher's original position
pushed_p->ent = pusher;
VectorCopy (pusher->s.origin, pushed_p->origin);
VectorCopy (pusher->s.angles, pushed_p->angles);
if (pusher->client)
pushed_p->deltayaw = pusher->client->ps.pmove.delta_angles[YAW];
pushed_p++;
// move the pusher to it's final position
VectorAdd (pusher->s.origin, move, pusher->s.origin);
VectorAdd (pusher->s.angles, amove, pusher->s.angles);
gi.linkentity (pusher);
// Knightmare- use correct bbox from rotation by angles
SV_RealBoundingBox (pusher, realmins, realmaxs);
// see if any solid entities are inside the final position
check = g_edicts+1;
for (e = 1; e < globals.num_edicts; e++, check++)
{
if (!check->inuse)
continue;
if (check->movetype == MOVETYPE_PUSH
|| check->movetype == MOVETYPE_STOP
|| check->movetype == MOVETYPE_NONE
|| check->movetype == MOVETYPE_NOCLIP)
continue;
if (!check->area.prev)
continue; // not linked in anywhere
// if the entity is standing on the pusher, it will definitely be moved
if (check->groundentity != pusher)
{
// Knightmare- use correct rotated bbox
// see if the ent needs to be tested
/* if ( check->absmin[0] >= maxs[0]
|| check->absmin[1] >= maxs[1]
|| check->absmin[2] >= maxs[2]
|| check->absmax[0] <= mins[0]
|| check->absmax[1] <= mins[1]
|| check->absmax[2] <= mins[2] )
continue;*/
if ( check->absmin[0] >= realmaxs[0]
|| check->absmin[1] >= realmaxs[1]
|| check->absmin[2] >= realmaxs[2]
|| check->absmax[0] <= realmins[0]
|| check->absmax[1] <= realmins[1]
|| check->absmax[2] <= realmins[2] )
continue;
// end Knightmare
// see if the ent's bbox is inside the pusher's final position
if (!SV_TestEntityPosition (check))
continue;
}
if ((pusher->movetype == MOVETYPE_PUSH) || (check->groundentity == pusher))
{
// move this entity
pushed_p->ent = check;
VectorCopy (check->s.origin, pushed_p->origin);
VectorCopy (check->s.angles, pushed_p->angles);
pushed_p++;
// try moving the contacted entity
VectorAdd (check->s.origin, move, check->s.origin);
if (check->client)
{ // FIXME: doesn't rotate monsters?
check->client->ps.pmove.delta_angles[YAW] += amove[YAW];
}
// figure movement due to the pusher's amove
VectorSubtract (check->s.origin, pusher->s.origin, org);
org2[0] = DotProduct (org, forward);
org2[1] = -DotProduct (org, right);
org2[2] = DotProduct (org, up);
VectorSubtract (org2, org, move2);
VectorAdd (check->s.origin, move2, check->s.origin);
// may have pushed them off an edge
if (check->groundentity != pusher)
check->groundentity = NULL;
block = SV_TestEntityPosition (check);
if (!block)
{ // pushed ok
gi.linkentity (check);
// impact?
continue;
}
// if it is ok to leave in the old position, do it
// this is only relevent for riding entities, not pushed
// FIXME: this doesn't acount for rotation
VectorSubtract (check->s.origin, move, check->s.origin);
block = SV_TestEntityPosition (check);
if (!block)
{
pushed_p--;
continue;
}
}
// save off the obstacle so we can call the block function
obstacle = check;
// move back any entities we already moved
// go backwards, so if the same entity was pushed
// twice, it goes back to the original position
for (p=pushed_p-1 ; p>=pushed ; p--)
{
VectorCopy (p->origin, p->ent->s.origin);
VectorCopy (p->angles, p->ent->s.angles);
if (p->ent->client)
{
p->ent->client->ps.pmove.delta_angles[YAW] = p->deltayaw;
}
gi.linkentity (p->ent);
}
return false;
}
//FIXME: is there a better way to handle this?
// see if anything we moved has touched a trigger
for (p=pushed_p-1 ; p>=pushed ; p--)
G_TouchTriggers (p->ent);
return true;
}
/*
================
Bmodel objects don't interact with each other, but
push all box objects
================
*/
void SV_Physics_Pusher(edict_t* ent)
{
vec3_t move, amove;
edict_t* part, * mv;
// if not a team captain, so movement will be handled elsewhere
if (ent->flags & FL_TEAMSLAVE)
return;
// make sure all team slaves can move before commiting
// any moves or calling any think functions
// if the move is blocked, all moved objects will be backed out
//retry:
pushed_p = pushed;
for (part = ent; part; part = part->teamchain)
{
if (part->velocity[0] || part->velocity[1] || part->velocity[2] ||
part->avelocity[0] || part->avelocity[1] || part->avelocity[2]
)
{ // object is moving
VectorScale(part->velocity, FRAMETIME, move);
VectorScale(part->avelocity, FRAMETIME, amove);
if (!SV_Push(part, move, amove))
break; // move was blocked
}
}
if (pushed_p > &pushed[MAX_EDICTS])
GameError("%s pushed_p > &pushed[MAX_EDICTS], memory corrupted", __func__);
if (part)
{
// the move failed, bump all nextthink times and back out moves
for (mv = ent; mv; mv = mv->teamchain)
{
if (mv->nextthink > 0)
mv->nextthink += FRAMETIME;
}
// if the pusher has a "blocked" function, call it
// otherwise, just stay in place until the obstacle is gone
if (part->blocked)
part->blocked(part, obstacle);
#if 0
// if the pushed entity went away and the pusher is still there
if (!obstacle->inuse && part->inuse)
goto retry;
#endif
}
else
{
// the move succeeded, so call all think functions
for (part = ent; part; part = part->teamchain)
{
SV_RunThink(part);
}
}
}
//==================================================================
/*
=============
SV_Physics_None
Non moving objects can only think
=============
*/
void SV_Physics_None (edict_t *ent)
{
// regular thinking
SV_RunThink (ent);
}
/*
=============
SV_Physics_Noclip
A moving object that doesn't obey physics
=============
*/
void SV_Physics_Noclip(edict_t* ent)
{
//regular thinking
if (!SV_RunThink(ent))
return;
VectorMA(ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
VectorMA(ent->s.origin, FRAMETIME, ent->velocity, ent->s.origin);
gi.linkentity(ent);
}
/*
==============================================================================
TOSS / BOUNCE
==============================================================================
*/
/*
=============
SV_Physics_Toss
Toss, bounce, and fly movement. When onground, do nothing.
=============
*/
void SV_Physics_Toss(edict_t *ent)
{
trace_t trace;
vec3_t move;
float backoff;
edict_t *slave;
qboolean wasinwater;
qboolean isinwater;
vec3_t old_origin = { 0 };
// regular thinking
SV_RunThink(ent);
if (!ent->inuse)
return;
// if not a team captain, so movement will be handled elsewhere
if (ent->flags & FL_TEAMSLAVE)
return;
if (ent->velocity[2] > 0)
ent->groundentity = NULL;
// check for the groundentity going away
if (ent->groundentity)
if (!ent->groundentity->inuse)
ent->groundentity = NULL;
// if onground, return without moving
if (ent->groundentity)
return;
VectorCopy(ent->s.origin, old_origin);
SV_CheckVelocity(ent);
// add gravity
if (ent->movetype != MOVETYPE_FLY
&& ent->movetype != MOVETYPE_FLYMISSILE)
SV_AddGravity(ent);
// move angles
VectorMA(ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
// move origin
VectorScale(ent->velocity, FRAMETIME, move);
trace = SV_PushEntity(ent, move);
if (!ent->inuse)
return;
if (trace.fraction < 1)
{
if (ent->movetype == MOVETYPE_BOUNCE)
{
if (ent->bounce_amount == BOUNCE_HIGHER)
backoff = 1.65f;
else if (ent->bounce_amount == BOUNCE_HIGH)
backoff = 1.75;
else if (ent->bounce_amount == BOUNCE_LOWEST)
backoff = 1.1f;
else if (ent->bounce_amount == BOUNCE_LOWER)
backoff = 1.25;
else if(ent->bounce_amount == BOUNCE_LOW)
backoff = 1.35f;
else
backoff = 1.5;
backoff += clamp(0.15 - (VectorLength(ent->velocity) * 0.001), 0.15f, 0);
}
else
backoff = 1;
ClipVelocity(ent->velocity, trace.plane.normal, ent->velocity, backoff);
// stop if on ground
if (trace.plane.normal[2] > 0.7)
{
if (ent->velocity[2] < 30 || ent->movetype != MOVETYPE_BOUNCE)
{
ent->groundentity = trace.ent;
ent->groundentity_linkcount = trace.ent->linkcount;
VectorCopy(vec3_origin, ent->velocity);
VectorCopy(vec3_origin, ent->avelocity);
}
}
// if (ent->touch)
// ent->touch (ent, trace.ent, &trace.plane, trace.surface);
}
// check for water transition
wasinwater = (ent->watertype & MASK_WATER);
ent->watertype = gi.pointcontents(ent->s.origin);
isinwater = ent->watertype & MASK_WATER;
if (isinwater)
ent->waterlevel = 1;
else
ent->waterlevel = 0;
if (strcmp(ent->classname, "debris") == 0 )
{
if (rand() % 4 == 3)
{
if (!wasinwater && isinwater)
gi.positioned_sound(old_origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
else if (wasinwater && !isinwater)
gi.positioned_sound(ent->s.origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
}
}
else if (strcmp(ent->classname, "bubble") != 0)
{
if (!wasinwater && isinwater)
gi.positioned_sound(old_origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
else if (wasinwater && !isinwater)
gi.positioned_sound(ent->s.origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
}
else if (ent->svflags & SVF_PROJECTILE)
{
//if (!wasinwater && isinwater)
gi.positioned_sound(old_origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
//else if (wasinwater && !isinwater)
gi.positioned_sound(ent->s.origin, g_edicts, CHAN_AUTO, gi.soundindex("misc/h2ohit1.wav"), 1, 1, 0);
}
// move teamslaves
for (slave = ent->teamchain; slave; slave = slave->teamchain)
{
VectorCopy (ent->s.origin, slave->s.origin);
gi.linkentity (slave);
}
}
/*
===============================================================================
STEPPING MOVEMENT
===============================================================================
*/
/*
=============
SV_Physics_Step
Monsters freefall when they don't have a ground entity, otherwise
all movement is done with discrete steps.
This is also used for objects that have become still on the ground, but
will fall if the floor is pulled out from under them.
FIXME: is this true?
=============
*/
//FIXME: hacked in for E3 demo
#define sv_stopspeed 100
#define sv_friction 6
#define sv_waterfriction 1
void SV_AddRotationalFriction (edict_t *ent)
{
int n;
float adjustment;
VectorMA (ent->s.angles, FRAMETIME, ent->avelocity, ent->s.angles);
adjustment = FRAMETIME * sv_stopspeed * sv_friction;
for (n = 0; n < 3; n++)
{
if (ent->avelocity[n] > 0)
{
ent->avelocity[n] -= adjustment;