6 #include "vg/vg_perlin.h"
8 #include "ent_skateshop.h"
11 static void player__skate_bind(void){
12 struct skeleton
*sk
= &localplayer
.skeleton
;
13 rb_update_transform( &localplayer
.rb
);
15 struct { struct skeleton_anim
**anim
; const char *name
; }
17 { &player_skate
.anim_grind
, "pose_grind" },
18 { &player_skate
.anim_grind_jump
, "pose_grind_jump" },
19 { &player_skate
.anim_stand
, "pose_stand" },
20 { &player_skate
.anim_highg
, "pose_highg" },
21 { &player_skate
.anim_air
, "pose_air" },
22 { &player_skate
.anim_slide
, "pose_slide" },
23 { &player_skate
.anim_push
, "push" },
24 { &player_skate
.anim_push_reverse
, "push_reverse" },
25 { &player_skate
.anim_ollie
, "ollie" },
26 { &player_skate
.anim_ollie_reverse
,"ollie_reverse" },
27 { &player_skate
.anim_grabs
, "grabs" },
28 { &player_skate
.anim_handplant
, "handplant" },
31 for( u32 i
=0; i
<vg_list_size(bindings
); i
++ )
32 *bindings
[i
].anim
= skeleton_get_anim( sk
, bindings
[i
].name
);
35 static void player__skate_kill_audio(void){
37 if( player_skate
.aud_main
){
38 player_skate
.aud_main
=
39 audio_channel_fadeout( player_skate
.aud_main
, 0.1f
);
41 if( player_skate
.aud_air
){
42 player_skate
.aud_air
=
43 audio_channel_fadeout( player_skate
.aud_air
, 0.1f
);
45 if( player_skate
.aud_slide
){
46 player_skate
.aud_slide
=
47 audio_channel_fadeout( player_skate
.aud_slide
, 0.1f
);
53 * Collision detection routines
59 * Does collision detection on a sphere vs world, and applies some smoothing
60 * filters to the manifold afterwards
62 static int skate_collide_smooth( m4x3f mtx
, rb_sphere
*sphere
, rb_ct
*man
){
63 world_instance
*world
= world_current_instance();
66 len
= rb_sphere__scene( mtx
, sphere
, NULL
, &world
->rb_geo
.inf
.scene
, man
,
67 k_material_flag_walking
);
69 for( int i
=0; i
<len
; i
++ ){
70 man
[i
].rba
= &localplayer
.rb
;
74 rb_manifold_filter_coplanar( man
, len
, 0.03f
);
77 rb_manifold_filter_backface( man
, len
);
78 rb_manifold_filter_joint_edges( man
, len
, 0.03f
);
79 rb_manifold_filter_pairs( man
, len
, 0.03f
);
81 int new_len
= rb_manifold_apply_filtered( man
, len
);
95 static int skate_grind_scansq( v3f pos
, v3f dir
, float r
,
96 struct grind_info
*inf
){
97 world_instance
*world
= world_current_instance();
100 v3_copy( dir
, plane
);
101 v3_normalize( plane
);
102 plane
[3] = v3_dot( plane
, pos
);
105 v3_add( pos
, (v3f
){ r
, r
, r
}, box
[1] );
106 v3_sub( pos
, (v3f
){ r
, r
, r
}, box
[0] );
115 int sample_count
= 0;
121 v3_cross( plane
, (v3f
){0,1,0}, support_axis
);
122 v3_normalize( support_axis
);
125 bh_iter_init_box( 0, &it
, box
);
128 while( bh_next( world
->geo_bh
, &it
, &idx
) ){
129 u32
*ptri
= &world
->scene_geo
.arrindices
[ idx
*3 ];
132 struct world_surface
*surf
= world_tri_index_surface(world
,ptri
[0]);
133 if( !(surf
->info
.flags
& k_material_flag_grindable
) )
136 for( int j
=0; j
<3; j
++ )
137 v3_copy( world
->scene_geo
.arrvertices
[ptri
[j
]].co
, tri
[j
] );
139 for( int j
=0; j
<3; j
++ ){
143 struct grind_sample
*sample
= &samples
[ sample_count
];
146 if( plane_segment( plane
, tri
[i0
], tri
[i1
], co
) ){
148 v3_sub( co
, pos
, d
);
149 if( v3_length2( d
) > r
*r
)
153 v3_sub( tri
[1], tri
[0], va
);
154 v3_sub( tri
[2], tri
[0], vb
);
155 v3_cross( va
, vb
, normal
);
157 sample
->normal
[0] = v3_dot( support_axis
, normal
);
158 sample
->normal
[1] = normal
[1];
159 sample
->co
[0] = v3_dot( support_axis
, d
);
160 sample
->co
[1] = d
[1];
162 v3_copy( normal
, sample
->normal3
); /* normalize later
163 if we want to us it */
165 v3_muls( tri
[0], 1.0f
/3.0f
, sample
->centroid
);
166 v3_muladds( sample
->centroid
, tri
[1], 1.0f
/3.0f
, sample
->centroid
);
167 v3_muladds( sample
->centroid
, tri
[2], 1.0f
/3.0f
, sample
->centroid
);
169 v2_normalize( sample
->normal
);
172 if( sample_count
== vg_list_size( samples
) )
173 goto too_many_samples
;
180 if( sample_count
< 2 )
183 v3f average_direction
,
187 v2_fill( min_co
, INFINITY
);
188 v2_fill( max_co
, -INFINITY
);
190 v3_zero( average_direction
);
191 v3_zero( average_normal
);
193 int passed_samples
= 0;
195 for( int i
=0; i
<sample_count
-1; i
++ ){
196 struct grind_sample
*si
, *sj
;
200 for( int j
=i
+1; j
<sample_count
; j
++ ){
206 /* non overlapping */
207 if( v2_dist2( si
->co
, sj
->co
) >= (0.01f
*0.01f
) )
210 /* not sharp angle */
211 if( v2_dot( si
->normal
, sj
->normal
) >= 0.7f
)
216 v3_sub( sj
->centroid
, si
->centroid
, v0
);
217 if( v3_dot( v0
, si
->normal3
) >= 0.0f
||
218 v3_dot( v0
, sj
->normal3
) <= 0.0f
)
221 v2_minv( sj
->co
, min_co
, min_co
);
222 v2_maxv( sj
->co
, max_co
, max_co
);
225 v3_copy( si
->normal3
, n0
);
226 v3_copy( sj
->normal3
, n1
);
227 v3_cross( n0
, n1
, dir
);
229 if( v3_length2( dir
) <= 0.000001f
)
234 /* make sure the directions all face a common hemisphere */
235 v3_muls( dir
, vg_signf(v3_dot(dir
,plane
)), dir
);
236 v3_add( average_direction
, dir
, average_direction
);
238 float yi
= si
->normal3
[1],
241 if( yi
> yj
) v3_add( si
->normal3
, average_normal
, average_normal
);
242 else v3_add( sj
->normal3
, average_normal
, average_normal
);
248 if( !passed_samples
)
251 if( (v3_length2( average_direction
) <= 0.001f
) ||
252 (v3_length2( average_normal
) <= 0.001f
) )
255 float div
= 1.0f
/(float)passed_samples
;
256 v3_normalize( average_direction
);
257 v3_normalize( average_normal
);
260 v2_add( min_co
, max_co
, average_coord
);
261 v2_muls( average_coord
, 0.5f
, average_coord
);
263 v3_muls( support_axis
, average_coord
[0], inf
->co
);
264 inf
->co
[1] += average_coord
[1];
265 v3_add( pos
, inf
->co
, inf
->co
);
266 v3_copy( average_normal
, inf
->n
);
267 v3_copy( average_direction
, inf
->dir
);
269 vg_line_point( inf
->co
, 0.02f
, VG__GREEN
);
270 vg_line_arrow( inf
->co
, average_direction
, 0.3f
, VG__GREEN
);
271 vg_line_arrow( inf
->co
, inf
->n
, 0.2f
, VG__CYAN
);
273 return passed_samples
;
276 static void reset_jump_info( jump_info
*inf
){
278 inf
->land_dist
= 0.0f
;
280 inf
->type
= k_prediction_unset
;
281 v3_zero( inf
->apex
);
284 static int create_jumps_to_hit_target( jump_info
*jumps
,
285 v3f target
, float max_angle_delta
,
287 /* calculate the exact 2 solutions to jump onto that grind spot */
290 v3_sub( target
, localplayer
.rb
.co
, v0
);
297 v2f d
= { v3_dot( ax
, v0
), v0
[1] },
298 v
= { v3_dot( ax
, localplayer
.rb
.v
), localplayer
.rb
.v
[1] };
300 float a
= atan2f( v
[1], v
[0] ),
302 root
= m
*m
*m
*m
- gravity
*(gravity
*d
[0]*d
[0] + 2.0f
*d
[1]*m
*m
);
307 root
= sqrtf( root
);
308 float a0
= atanf( (m
*m
+ root
) / (gravity
* d
[0]) ),
309 a1
= atanf( (m
*m
- root
) / (gravity
* d
[0]) );
311 if( fabsf(a0
-a
) < max_angle_delta
){
312 jump_info
*inf
= &jumps
[ valid_count
++ ];
313 reset_jump_info( inf
);
315 v3_muls( ax
, cosf( a0
) * m
, inf
->v
);
316 inf
->v
[1] += sinf( a0
) * m
;
317 inf
->land_dist
= d
[0] / (cosf(a0
)*m
);
318 inf
->gravity
= gravity
;
320 v3_copy( target
, inf
->log
[inf
->log_length
++] );
323 if( fabsf(a1
-a
) < max_angle_delta
){
324 jump_info
*inf
= &jumps
[ valid_count
++ ];
325 reset_jump_info( inf
);
327 v3_muls( ax
, cosf( a1
) * m
, inf
->v
);
328 inf
->v
[1] += sinf( a1
) * m
;
329 inf
->land_dist
= d
[0] / (cosf(a1
)*m
);
330 inf
->gravity
= gravity
;
332 v3_copy( target
, inf
->log
[inf
->log_length
++] );
339 static void player__approximate_best_trajectory(void){
340 world_instance
*world0
= world_current_instance();
342 float k_trace_delta
= k_rb_delta
* 10.0f
;
343 struct player_skate_state
*state
= &player_skate
.state
;
345 state
->air_start
= vg
.time
;
346 v3_copy( localplayer
.rb
.v
, state
->air_init_v
);
347 v3_copy( localplayer
.rb
.co
, state
->air_init_co
);
349 player_skate
.possible_jump_count
= 0;
352 v3_cross( localplayer
.rb
.v
, localplayer
.rb
.to_world
[1], axis
);
353 v3_normalize( axis
);
355 /* at high slopes, Y component is low */
356 float upness
= localplayer
.rb
.to_world
[1][1],
357 angle_begin
= -(1.0f
-fabsf( upness
)),
360 struct grind_info grind
;
361 int grind_located
= 0;
362 float grind_located_gravity
= k_gravity
;
365 v3f launch_v_bounds
[2];
367 for( int i
=0; i
<2; i
++ ){
368 v3_copy( localplayer
.rb
.v
, launch_v_bounds
[i
] );
369 float ang
= (float[]){ angle_begin
, angle_end
}[ i
];
373 q_axis_angle( qbias
, axis
, ang
);
374 q_mulv( qbias
, launch_v_bounds
[i
], launch_v_bounds
[i
] );
377 for( int m
=0;m
<=30; m
++ ){
379 &player_skate
.possible_jumps
[ player_skate
.possible_jump_count
++ ];
380 reset_jump_info( inf
);
382 v3f launch_co
, launch_v
, co0
, co1
;
383 v3_copy( localplayer
.rb
.co
, launch_co
);
384 v3_copy( localplayer
.rb
.v
, launch_v
);
385 v3_copy( launch_co
, co0
);
386 world_instance
*trace_world
= world0
;
388 float vt
= (float)m
* (1.0f
/30.0f
),
389 ang
= vg_lerpf( angle_begin
, angle_end
, vt
) * 0.15f
;
392 q_axis_angle( qbias
, axis
, ang
);
393 q_mulv( qbias
, launch_v
, launch_v
);
395 float yaw_sketch
= 1.0f
-fabsf(upness
);
397 float yaw_bias
= ((float)(m
%3) - 1.0f
) * 0.08f
* yaw_sketch
;
398 q_axis_angle( qbias
, localplayer
.rb
.to_world
[1], yaw_bias
);
399 q_mulv( qbias
, launch_v
, launch_v
);
401 float gravity_bias
= vg_lerpf( 0.85f
, 1.4f
, vt
),
402 gravity
= k_gravity
* gravity_bias
;
403 inf
->gravity
= gravity
;
404 v3_copy( launch_v
, inf
->v
);
406 for( int i
=1; i
<=50; i
++ ){
407 float t
= (float)i
* k_trace_delta
;
409 v3_muls( launch_v
, t
, co1
);
410 co1
[1] += -0.5f
* gravity
* t
*t
;
411 v3_add( launch_co
, co1
, co1
);
413 float launch_vy
= launch_v
[1];
415 int search_for_grind
= 1;
416 if( grind_located
) search_for_grind
= 0;
417 if( launch_vy
- gravity
*t
> 0.0f
) search_for_grind
= 0;
421 v3f closest
={0.0f
,0.0f
,0.0f
};
422 if( search_for_grind
){
423 if( bh_closest_point(trace_world
->geo_bh
,co1
,closest
,1.0f
) != -1 ){
424 float min_dist
= 0.75f
;
425 min_dist
*= min_dist
;
427 if( v3_dist2( closest
, launch_co
) < min_dist
)
428 search_for_grind
= 0;
432 for( int j
=0; j
<2; j
++ ){
433 v3_muls( launch_v_bounds
[j
], t
, bound
[j
] );
434 bound
[j
][1] += -0.5f
*gravity
*t
*t
;
435 v3_add( launch_co
, bound
[j
], bound
[j
] );
438 float limh
= vg_minf( 2.0f
, t
),
439 minh
= vg_minf( bound
[0][1], bound
[1][1] )-limh
,
440 maxh
= vg_maxf( bound
[0][1], bound
[1][1] )+limh
;
442 if( (closest
[1] < minh
) || (closest
[1] > maxh
) ){
443 search_for_grind
= 0;
447 search_for_grind
= 0;
450 if( search_for_grind
){
452 v3_copy( launch_v
, ve
);
453 ve
[1] += -gravity
* t
;
455 if( skate_grind_scansq( closest
, ve
, 0.5f
, &grind
) ){
456 /* check alignment */
457 v2f v0
= { ve
[0], ve
[2] },
458 v1
= { grind
.dir
[0], grind
.dir
[2] };
463 float a
= v2_dot( v0
, v1
);
465 float a_min
= cosf( VG_PIf
* 0.185f
);
466 if( state
->grind_cooldown
)
467 a_min
= cosf( VG_PIf
* 0.05f
);
470 if( (fabsf(v3_dot( ve
, grind
.dir
))>=k_grind_axel_min_vel
) &&
472 (fabsf(grind
.dir
[1]) < 0.70710678118654752f
))
475 grind_located_gravity
= inf
->gravity
;
480 if( trace_world
->rendering_gate
){
481 ent_gate
*gate
= trace_world
->rendering_gate
;
482 if( gate_intersect( gate
, co1
, co0
) ){
483 m4x3_mulv( gate
->transport
, co0
, co0
);
484 m4x3_mulv( gate
->transport
, co1
, co1
);
485 m3x3_mulv( gate
->transport
, launch_v
, launch_v
);
486 m4x3_mulv( gate
->transport
, launch_co
, launch_co
);
488 if( gate
->flags
& k_ent_gate_nonlocal
)
489 trace_world
= &world_static
.instances
[ gate
->target
];
496 float scan_radius
= k_board_radius
;
497 scan_radius
*= vg_clampf( t
, 0.02f
, 1.0f
);
499 int idx
= spherecast_world( trace_world
, co0
, co1
, scan_radius
, &t1
, n
,
500 k_material_flag_walking
);
503 v3_lerp( co0
, co1
, t1
, co
);
504 v3_copy( co
, inf
->log
[ inf
->log_length
++ ] );
506 v3_copy( n
, inf
->n
);
507 u32
*tri
= &trace_world
->scene_geo
.arrindices
[ idx
*3 ];
508 struct world_surface
*surf
=
509 world_tri_index_surface( trace_world
, tri
[0] );
511 inf
->type
= k_prediction_land
;
514 v3_copy( launch_v
, ve
);
515 ve
[1] += -gravity
* t
;
517 inf
->score
= -v3_dot( ve
, inf
->n
);
518 inf
->land_dist
= t
+ k_trace_delta
* t1
;
520 /* Bias prediction towords ramps */
521 if( !(surf
->info
.flags
& k_material_flag_skate_target
) )
524 if( surf
->info
.flags
& k_material_flag_boundary
)
525 player_skate
.possible_jump_count
--;
531 v3_copy( co1
, inf
->log
[ inf
->log_length
++ ] );
535 if( inf
->type
== k_prediction_unset
)
536 player_skate
.possible_jump_count
--;
540 jump_info grind_jumps
[2];
543 create_jumps_to_hit_target( grind_jumps
, grind
.co
,
544 0.175f
*VG_PIf
, grind_located_gravity
);
546 /* knock out original landing points in the 1m area */
547 for( u32 j
=0; j
<player_skate
.possible_jump_count
; j
++ ){
548 jump_info
*jump
= &player_skate
.possible_jumps
[ j
];
549 float dist
= v3_dist2( jump
->log
[jump
->log_length
-1], grind
.co
);
550 float descale
= 1.0f
-vg_minf(1.0f
,dist
);
551 jump
->score
+= descale
*3.0f
;
554 for( int i
=0; i
<valid_count
; i
++ ){
555 jump_info
*jump
= &grind_jumps
[i
];
556 jump
->type
= k_prediction_grind
;
558 v3f launch_v
, launch_co
, co0
, co1
;
560 v3_copy( jump
->v
, launch_v
);
561 v3_copy( localplayer
.rb
.co
, launch_co
);
563 float t
= 0.05f
* jump
->land_dist
;
564 v3_muls( launch_v
, t
, co0
);
565 co0
[1] += -0.5f
* jump
->gravity
* t
*t
;
566 v3_add( launch_co
, co0
, co0
);
568 /* rough scan to make sure we dont collide with anything */
569 for( int j
=1; j
<=16; j
++ ){
570 t
= (float)j
*(1.0f
/16.0f
);
573 t
*= jump
->land_dist
;
575 v3_muls( launch_v
, t
, co1
);
576 co1
[1] += -0.5f
* jump
->gravity
* t
*t
;
577 v3_add( launch_co
, co1
, co1
);
582 int idx
= spherecast_world( world0
, co0
,co1
,
583 k_board_radius
*0.1f
, &t1
, n
,
584 k_material_flag_walking
);
586 goto invalidated_grind
;
592 v3_copy( grind
.n
, jump
->n
);
594 /* determine score */
596 v3_copy( jump
->v
, ve
);
597 ve
[1] += -jump
->gravity
*jump
->land_dist
;
598 jump
->score
= -v3_dot( ve
, grind
.n
) * 0.9f
;
600 player_skate
.possible_jumps
[ player_skate
.possible_jump_count
++ ] =
609 float score_min
= INFINITY
,
610 score_max
= -INFINITY
;
612 jump_info
*best
= NULL
;
614 for( int i
=0; i
<player_skate
.possible_jump_count
; i
++ ){
615 jump_info
*jump
= &player_skate
.possible_jumps
[i
];
617 if( jump
->score
< score_min
)
620 score_min
= vg_minf( score_min
, jump
->score
);
621 score_max
= vg_maxf( score_max
, jump
->score
);
624 for( int i
=0; i
<player_skate
.possible_jump_count
; i
++ ){
625 jump_info
*jump
= &player_skate
.possible_jumps
[i
];
626 float s
= jump
->score
;
629 s
/= (score_max
-score_min
);
633 jump
->colour
= s
* 255.0f
;
637 else if( jump
->type
== k_prediction_land
)
640 jump
->colour
|= 0xff000000;
644 v3_copy( best
->n
, state
->land_normal
);
645 v3_copy( best
->v
, localplayer
.rb
.v
);
646 state
->land_dist
= best
->land_dist
;
647 state
->gravity_bias
= best
->gravity
;
649 if( best
->type
== k_prediction_grind
){
650 state
->activity
= k_skate_activity_air_to_grind
;
654 joystick_state( k_srjoystick_steer
, steer
);
655 v2_normalize_clamp( steer
);
657 if( (fabsf(steer
[1]) > 0.5f
) && (state
->land_dist
>= 1.5f
) ){
658 state
->flip_rate
= (1.0f
/state
->land_dist
) * vg_signf(steer
[1]) *
660 state
->flip_time
= 0.0f
;
661 v3_copy( localplayer
.rb
.to_world
[0], state
->flip_axis
);
664 state
->flip_rate
= 0.0f
;
665 v3_zero( state
->flip_axis
);
669 v3_copy( (v3f
){0,1,0}, state
->land_normal
);
674 * Varius physics models
675 * ------------------------------------------------
679 * Air control, no real physics
681 static void skate_apply_air_model(void){
682 struct player_skate_state
*state
= &player_skate
.state
;
684 if( state
->activity_prev
> k_skate_activity_air_to_grind
)
685 player__approximate_best_trajectory();
687 float angle
= v3_dot( localplayer
.rb
.to_world
[1], state
->land_normal
);
688 angle
= vg_clampf( angle
, -1.0f
, 1.0f
);
690 v3_cross( localplayer
.rb
.to_world
[1], state
->land_normal
, axis
);
693 q_axis_angle( correction
, axis
,
694 acosf(angle
)*2.0f
*VG_TIMESTEP_FIXED
);
695 q_mul( correction
, localplayer
.rb
.q
, localplayer
.rb
.q
);
698 static enum trick_type
player_skate_trick_input(void);
699 static void skate_apply_trick_model(void){
700 struct player_skate_state
*state
= &player_skate
.state
;
703 v3f strength
= { 3.7f
, 3.6f
, 8.0f
};
705 v3_muls( state
->trick_residualv
, -4.0f
, Fd
);
706 v3_muls( state
->trick_residuald
, -10.0f
, Fs
);
708 v3_mul( strength
, F
, F
);
710 v3_muladds( state
->trick_residualv
, F
, k_rb_delta
,
711 state
->trick_residualv
);
712 v3_muladds( state
->trick_residuald
, state
->trick_residualv
,
713 k_rb_delta
, state
->trick_residuald
);
715 if( state
->activity
<= k_skate_activity_air_to_grind
){
716 if( v3_length2( state
->trick_vel
) < 0.0001f
)
719 int carry_on
= state
->trick_type
== player_skate_trick_input();
721 /* we assume velocities share a common divisor, in which case the
722 * interval is the minimum value (if not zero) */
724 float min_rate
= 99999.0f
;
726 for( int i
=0; i
<3; i
++ ){
727 float v
= state
->trick_vel
[i
];
728 if( (v
> 0.0f
) && (v
< min_rate
) )
732 float interval
= 1.0f
/ min_rate
,
733 current
= floorf( state
->trick_time
),
734 next_end
= current
+1.0f
;
737 /* integrate trick velocities */
738 v3_muladds( state
->trick_euler
, state
->trick_vel
, k_rb_delta
,
739 state
->trick_euler
);
741 if( !carry_on
&& (state
->trick_time
+ k_rb_delta
/interval
>= next_end
) ){
742 state
->trick_time
= 0.0f
;
743 state
->trick_euler
[0] = roundf( state
->trick_euler
[0] );
744 state
->trick_euler
[1] = roundf( state
->trick_euler
[1] );
745 state
->trick_euler
[2] = roundf( state
->trick_euler
[2] );
746 v3_copy( state
->trick_vel
, state
->trick_residualv
);
747 v3_zero( state
->trick_vel
);
750 audio_oneshot_3d( &audio_flips
[vg_randu32(&vg
.rand
)%4],
751 localplayer
.rb
.co
, 40.0f
, 1.0f
);
755 state
->trick_time
+= k_rb_delta
/ interval
;
758 if( (v3_length2(state
->trick_vel
) >= 0.0001f
) &&
759 state
->trick_time
> 0.2f
)
761 player__skate_kill_audio();
762 player__dead_transition( k_player_die_type_feet
);
765 state
->trick_euler
[0] = roundf( state
->trick_euler
[0] );
766 state
->trick_euler
[1] = roundf( state
->trick_euler
[1] );
767 state
->trick_euler
[2] = roundf( state
->trick_euler
[2] );
768 state
->trick_time
= 0.0f
;
769 v3_zero( state
->trick_vel
);
773 static void skate_apply_grab_model(void){
774 struct player_skate_state
*state
= &player_skate
.state
;
776 float grabt
= axis_state( k_sraxis_grab
);
779 v2_muladds( state
->grab_mouse_delta
, vg
.mouse_delta
, 0.02f
,
780 state
->grab_mouse_delta
);
782 v2_normalize_clamp( state
->grab_mouse_delta
);
785 v2_zero( state
->grab_mouse_delta
);
787 state
->grabbing
= vg_lerpf( state
->grabbing
, grabt
, 8.4f
*k_rb_delta
);
790 static void skate_apply_steering_model(void){
791 struct player_skate_state
*state
= &player_skate
.state
;
794 joystick_state( k_srjoystick_steer
, jsteer
);
797 float steer
= jsteer
[0],
798 grab
= axis_state( k_sraxis_grab
);
800 steer
= vg_signf( steer
) * steer
*steer
* k_steer_ground
;
803 v3_muls( localplayer
.rb
.to_world
[1], -vg_signf( steer
), steer_axis
);
808 f32 skid_target
= 0.0f
;
810 if( state
->activity
<= k_skate_activity_air_to_grind
){
811 rate
= 6.0f
* fabsf(steer
);
815 /* rotate slower when grabbing on ground */
816 steer
*= (1.0f
-(state
->jump_charge
+grab
)*0.4f
);
818 if( state
->activity
== k_skate_activity_grind_5050
){
823 else if( state
->activity
>= k_skate_activity_grind_any
){
824 rate
*= fabsf(steer
);
826 float a
= 0.8f
* -steer
* k_rb_delta
;
829 q_axis_angle( q
, localplayer
.rb
.to_world
[1], a
);
830 q_mulv( q
, player_skate
.grind_vec
, player_skate
.grind_vec
);
832 v3_normalize( player_skate
.grind_vec
);
835 else if( state
->manual_direction
){
840 f32 skid
= axis_state(k_sraxis_skid
);
842 /* skids on keyboard lock to the first direction pressed */
843 if( vg_input
.display_input_method
== k_input_method_kbm
){
844 if( button_press(k_srbind_skid
) && (fabsf(state
->skid
)<0.01f
) &&
845 (fabsf(steer
) > 0.4f
) ){
846 state
->skid
= vg_signf( steer
) * 0.02f
;
849 if( button_press(k_srbind_skid
) && (fabsf(state
->skid
)>0.01f
) ){
850 skid_target
= vg_signf( state
->skid
);
854 if( fabsf(skid
) > 0.1f
){
861 top
*= 1.0f
+v3_length( state
->throw_v
)*k_mmthrow_steer
;
865 vg_slewf( &state
->skid
, skid_target
, k_rb_delta
*(1.0f
/0.1f
) );
866 steer
= vg_lerpf( steer
, state
->skid
*k_steer_ground
*0.5f
,
867 fabsf(state
->skid
*0.8f
) );
869 float current
= v3_dot( localplayer
.rb
.to_world
[1], localplayer
.rb
.w
),
870 addspeed
= (steer
* -top
) - current
,
871 maxaccel
= rate
* k_rb_delta
,
872 accel
= vg_clampf( addspeed
, -maxaccel
, maxaccel
);
874 v3_muladds( localplayer
.rb
.w
, localplayer
.rb
.to_world
[1],
875 accel
, localplayer
.rb
.w
);
879 * Computes friction and surface interface model
881 static void skate_apply_friction_model(void){
882 struct player_skate_state
*state
= &player_skate
.state
;
885 * Computing localized friction forces for controlling the character
886 * Friction across X is significantly more than Z
890 m3x3_mulv( localplayer
.rb
.to_local
, localplayer
.rb
.v
, vel
);
893 if( fabsf(vel
[2]) > 0.01f
)
894 slip
= fabsf(-vel
[0] / vel
[2]) * vg_signf(vel
[0]);
896 if( fabsf( slip
) > 1.2f
)
897 slip
= vg_signf( slip
) * 1.2f
;
900 state
->reverse
= -vg_signf(vel
[2]);
902 f32 lat
= k_friction_lat
;
904 if( fabsf(axis_state(k_sraxis_skid
)) > 0.1f
){
905 lat
= k_friction_lat
* 2.0f
;
908 vel
[0] += vg_cfrictf( vel
[0], k_friction_lat
* k_rb_delta
);
909 vel
[2] += vg_cfrictf( vel
[2], k_friction_resistance
* k_rb_delta
);
911 /* Pushing additive force */
913 if( !button_press( k_srbind_jump
) && (fabsf(state
->skid
)<0.1f
) ){
914 if( button_press( k_srbind_push
) || (vg
.time
-state
->start_push
<0.75) ){
915 if( (vg
.time
- state
->cur_push
) > 0.25 )
916 state
->start_push
= vg
.time
;
918 state
->cur_push
= vg
.time
;
920 double push_time
= vg
.time
- state
->start_push
;
922 float cycle_time
= push_time
*k_push_cycle_rate
,
923 accel
= k_push_accel
* (sinf(cycle_time
)*0.5f
+0.5f
),
924 amt
= accel
* VG_TIMESTEP_FIXED
,
925 current
= v3_length( vel
),
926 new_vel
= vg_minf( current
+ amt
, k_max_push_speed
),
927 delta
= new_vel
- vg_minf( current
, k_max_push_speed
);
929 vel
[2] += delta
* -state
->reverse
;
933 /* Send back to velocity */
934 m3x3_mulv( localplayer
.rb
.to_world
, vel
, localplayer
.rb
.v
);
937 static void skate_apply_jump_model(void){
938 struct player_skate_state
*state
= &player_skate
.state
;
939 int charging_jump_prev
= state
->charging_jump
;
940 state
->charging_jump
= button_press( k_srbind_jump
);
942 /* Cannot charge this in air */
943 if( state
->activity
<= k_skate_activity_air_to_grind
){
944 state
->charging_jump
= 0;
948 if( state
->charging_jump
){
949 state
->jump_charge
+= k_rb_delta
* k_jump_charge_speed
;
951 if( !charging_jump_prev
)
952 state
->jump_dir
= state
->reverse
>0.0f
? 1: 0;
955 state
->jump_charge
-= k_jump_charge_speed
* k_rb_delta
;
958 state
->jump_charge
= vg_clampf( state
->jump_charge
, 0.0f
, 1.0f
);
960 /* player let go after charging past 0.2: trigger jump */
961 if( (!state
->charging_jump
) && (state
->jump_charge
> 0.2f
) ){
964 /* Launch more up if alignment is up else improve velocity */
965 float aup
= localplayer
.rb
.to_world
[1][1],
967 dir
= mod
+ fabsf(aup
)*(1.0f
-mod
);
969 if( state
->activity
== k_skate_activity_ground
){
970 v3_copy( localplayer
.rb
.v
, jumpdir
);
971 v3_normalize( jumpdir
);
972 v3_muls( jumpdir
, 1.0f
-dir
, jumpdir
);
973 v3_muladds( jumpdir
, localplayer
.rb
.to_world
[1], dir
, jumpdir
);
974 v3_normalize( jumpdir
);
976 v3_copy( state
->up_dir
, jumpdir
);
977 state
->grind_cooldown
= 30;
978 state
->activity
= k_skate_activity_ground
;
981 joystick_state( k_srjoystick_steer
, steer
);
983 float tilt
= steer
[0] * 0.3f
;
984 tilt
*= vg_signf(v3_dot( localplayer
.rb
.v
,
985 player_skate
.grind_dir
));
988 q_axis_angle( qtilt
, player_skate
.grind_dir
, tilt
);
989 q_mulv( qtilt
, jumpdir
, jumpdir
);
991 state
->surface_cooldown
= 10;
992 state
->trick_input_collect
= 0.0f
;
994 float force
= k_jump_force
*state
->jump_charge
;
995 v3_muladds( localplayer
.rb
.v
, jumpdir
, force
, localplayer
.rb
.v
);
996 state
->jump_charge
= 0.0f
;
997 state
->jump_time
= vg
.time
;
998 player__networked_sfx( k_player_subsystem_skate
, 32,
999 k_player_skate_soundeffect_jump
,
1000 localplayer
.rb
.co
, 1.0f
);
1004 static void skate_apply_handplant_model(void){
1005 struct player_skate_state
*state
= &player_skate
.state
;
1006 if( localplayer
.rb
.to_world
[1][1] < -0.1f
) return;
1007 if( localplayer
.rb
.to_world
[1][1] > 0.6f
) return;
1008 if( !( button_press(k_srbind_skid
) || (fabsf(state
->skid
)>0.1f
)) ) return;
1010 v3f lco
= { 0.0f
, -0.2f
, -state
->reverse
},
1012 m4x3_mulv( localplayer
.rb
.to_world
, lco
, co
);
1013 v3_muls( localplayer
.rb
.to_world
[2], state
->reverse
, dir
);
1014 vg_line_arrow( co
, dir
, 0.13f
, 0xff000000 );
1016 ray_hit hit
= { .dist
= 2.0f
};
1017 if( ray_world( world_current_instance(), co
, dir
,
1018 &hit
, k_material_flag_ghosts
)) {
1019 vg_line( co
, hit
.pos
, 0xff000000 );
1020 vg_line_point( hit
.pos
, 0.1f
, 0xff000000 );
1022 if( hit
.normal
[1] < 0.7f
) return;
1023 if( hit
.dist
< 0.95f
) return;
1025 state
->activity
= k_skate_activity_handplant
;
1026 state
->handplant_t
= 0.0f
;
1027 v3_copy( localplayer
.rb
.co
, state
->store_co
);
1028 v3_copy( localplayer
.rb
.v
, state
->air_init_v
);
1029 v4_copy( localplayer
.rb
.q
, state
->store_q
);
1030 v3_copy( state
->cog
, state
->store_cog
);
1031 v3_copy( state
->cog_v
, state
->store_cog_v
);
1032 v4_copy( state
->smoothed_rotation
, state
->store_smoothed
);
1036 static void skate_apply_pump_model(void){
1037 struct player_skate_state
*state
= &player_skate
.state
;
1039 if( state
->activity
!= k_skate_activity_ground
){
1040 v3_zero( state
->throw_v
);
1044 /* Throw / collect routine
1046 if( axis_state( k_sraxis_grab
) > 0.5f
){
1047 if( state
->activity
== k_skate_activity_ground
){
1049 v3_muls( localplayer
.rb
.to_world
[1], k_mmthrow_scale
, state
->throw_v
);
1054 float doty
= v3_dot( localplayer
.rb
.to_world
[1], state
->throw_v
);
1057 v3_muladds( state
->throw_v
, localplayer
.rb
.to_world
[1], -doty
, Fl
);
1059 if( state
->activity
== k_skate_activity_ground
){
1060 if( v3_length2(localplayer
.rb
.v
)<(20.0f
*20.0f
) ){
1061 v3_muladds( localplayer
.rb
.v
, Fl
,
1062 k_mmcollect_lat
, localplayer
.rb
.v
);
1064 v3_muladds( state
->throw_v
, Fl
, -k_mmcollect_lat
, state
->throw_v
);
1067 v3_muls( localplayer
.rb
.to_world
[1], -doty
, Fv
);
1068 v3_muladds( localplayer
.rb
.v
, Fv
, k_mmcollect_vert
, localplayer
.rb
.v
);
1069 v3_muladds( state
->throw_v
, Fv
, k_mmcollect_vert
, state
->throw_v
);
1073 if( v3_length2( state
->throw_v
) > 0.0001f
){
1075 v3_copy( state
->throw_v
, dir
);
1076 v3_normalize( dir
);
1078 float max
= v3_dot( dir
, state
->throw_v
),
1079 amt
= vg_minf( k_mmdecay
* k_rb_delta
, max
);
1080 v3_muladds( state
->throw_v
, dir
, -amt
, state
->throw_v
);
1084 static void skate_apply_cog_model(void){
1085 struct player_skate_state
*state
= &player_skate
.state
;
1087 v3f ideal_cog
, ideal_diff
, ideal_dir
;
1088 v3_copy( state
->up_dir
, ideal_dir
);
1089 v3_normalize( ideal_dir
);
1091 float grab
= axis_state( k_sraxis_grab
);
1092 v3_muladds( localplayer
.rb
.co
, ideal_dir
, 1.0f
-grab
, ideal_cog
);
1093 v3_sub( ideal_cog
, state
->cog
, ideal_diff
);
1095 /* Apply velocities */
1097 v3_sub( localplayer
.rb
.v
, state
->cog_v
, rv
);
1100 v3_muls( ideal_diff
, -k_cog_spring
* k_rb_rate
, F
);
1101 v3_muladds( F
, rv
, -k_cog_damp
* k_rb_rate
, F
);
1103 float ra
= k_cog_mass_ratio
,
1104 rb
= 1.0f
-k_cog_mass_ratio
;
1106 /* Apply forces & intergrate */
1107 v3_muladds( state
->cog_v
, F
, -rb
, state
->cog_v
);
1108 state
->cog_v
[1] += -9.8f
* k_rb_delta
;
1109 v3_muladds( state
->cog
, state
->cog_v
, k_rb_delta
, state
->cog
);
1112 static void skate_integrate(void){
1113 struct player_skate_state
*state
= &player_skate
.state
;
1115 float rate_x
= 1.0f
- (k_rb_delta
* 3.0f
),
1119 if( state
->activity
>= k_skate_activity_grind_any
){
1120 rate_x
= 1.0f
-(16.0f
*k_rb_delta
);
1121 rate_y
= 1.0f
-(10.0f
*k_rb_delta
);
1122 rate_z
= 1.0f
-(40.0f
*k_rb_delta
);
1125 float wx
= v3_dot( localplayer
.rb
.w
, localplayer
.rb
.to_world
[0] ) * rate_x
,
1126 wy
= v3_dot( localplayer
.rb
.w
, localplayer
.rb
.to_world
[1] ) * rate_y
,
1127 wz
= v3_dot( localplayer
.rb
.w
, localplayer
.rb
.to_world
[2] ) * rate_z
;
1129 v3_muls( localplayer
.rb
.to_world
[0], wx
, localplayer
.rb
.w
);
1130 v3_muladds( localplayer
.rb
.w
, localplayer
.rb
.to_world
[1], wy
,
1132 v3_muladds( localplayer
.rb
.w
, localplayer
.rb
.to_world
[2], wz
,
1135 state
->flip_time
+= state
->flip_rate
* k_rb_delta
;
1136 rb_update_transform( &localplayer
.rb
);
1139 static enum trick_type
player_skate_trick_input(void){
1140 return (button_press( k_srbind_trick0
) ) |
1141 (button_press( k_srbind_trick1
) << 1) |
1142 (button_press( k_srbind_trick2
) << 1) |
1143 (button_press( k_srbind_trick2
) );
1146 static void player__skate_pre_update(void){
1147 struct player_skate_state
*state
= &player_skate
.state
;
1149 if( state
->activity
== k_skate_activity_handplant
){
1150 state
->handplant_t
+= vg
.time_delta
;
1151 mdl_keyframe hpose
[32];
1153 struct skeleton_anim
*anim
= player_skate
.anim_handplant
;
1155 int end
= !skeleton_sample_anim_clamped(
1156 &localplayer
.skeleton
, anim
,
1157 state
->handplant_t
, hpose
);
1159 if( state
->reverse
< 0.0f
)
1160 player_mirror_pose( hpose
, hpose
);
1162 mdl_keyframe
*kf_world
= &hpose
[ localplayer
.id_world
-1 ];
1163 m4x3f world
, mmdl
, world_view
;
1164 q_m3x3( kf_world
->q
, world
);
1165 v3_copy( kf_world
->co
, world
[3] );
1168 q_m3x3( state
->store_q
, mmdl
);
1169 v3_copy( state
->store_co
, mmdl
[3] );
1170 m4x3_mul( mmdl
, world
, world_view
);
1172 vg_line_arrow( world_view
[3], world_view
[0], 1.0f
, 0xff0000ff );
1173 vg_line_arrow( world_view
[3], world_view
[1], 1.0f
, 0xff00ff00 );
1174 vg_line_arrow( world_view
[3], world_view
[2], 1.0f
, 0xffff0000 );
1177 m4x3_invert_affine( world
, invworld
);
1178 m4x3_mul( mmdl
, invworld
, world_view
);
1180 v3_copy( world_view
[3], localplayer
.rb
.co
);
1181 m3x3_q( world_view
, localplayer
.rb
.q
);
1183 /* new * old^-1 = transfer function */
1185 m4x3_invert_affine( mmdl
, transfer
);
1186 m4x3_mul( world_view
, transfer
, transfer
);
1188 m3x3_mulv( transfer
, state
->air_init_v
, localplayer
.rb
.v
);
1189 m3x3_mulv( transfer
, state
->store_cog_v
, state
->cog_v
);
1191 m4x3_mulv( transfer
, state
->store_cog
, state
->cog
);
1192 v3_muladds( state
->cog
, localplayer
.rb
.to_world
[1],
1193 -state
->handplant_t
*0.5f
, state
->cog
);
1196 m3x3_q( transfer
, qtransfer
);
1197 q_mul( qtransfer
, state
->store_smoothed
, state
->smoothed_rotation
);
1198 q_normalize( state
->smoothed_rotation
);
1199 rb_update_transform( &localplayer
.rb
);
1202 state
->activity
= k_skate_activity_air
;
1207 if( button_down(k_srbind_use
) && (v3_length2(state
->trick_vel
) < 0.01f
) ){
1208 localplayer
.subsystem
= k_player_subsystem_walk
;
1211 v3_copy( localplayer
.cam
.angles
, localplayer
.angles
);
1212 localplayer
.angles
[2] = 0.0f
;
1215 m4x3_mulv( localplayer
.rb
.to_world
, (v3f
){0.0f
,1.0f
,0.0f
}, newpos
);
1216 v3_add( newpos
, (v3f
){0.0f
,-1.0f
,0.0f
}, newpos
);
1217 v3_sub( localplayer
.rb
.co
, newpos
, offset
);
1218 v3_copy( newpos
, localplayer
.rb
.co
);
1219 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1], -0.1f
,
1220 localplayer
.rb
.co
);
1222 player__begin_holdout( offset
);
1223 player__skate_kill_audio();
1224 player__walk_transition( state
->activity
<= k_skate_activity_air_to_grind
?
1225 0: 1, state
->trick_euler
[0] );
1229 enum trick_type trick
= player_skate_trick_input();
1231 state
->trick_input_collect
+= vg
.time_frame_delta
;
1233 state
->trick_input_collect
= 0.0f
;
1235 if( state
->activity
<= k_skate_activity_air_to_grind
){
1236 if( trick
&& (state
->trick_input_collect
< 0.1f
) ){
1237 if( state
->trick_time
== 0.0f
){
1239 audio_oneshot_3d( &audio_flips
[vg_randu32(&vg
.rand
)%4],
1240 localplayer
.rb
.co
, 40.0f
, 1.0f
);
1244 if( state
->trick_time
< 0.1f
){
1245 v3_zero( state
->trick_vel
);
1247 if( trick
== k_trick_type_kickflip
){
1248 state
->trick_vel
[0] = 3.0f
;
1250 else if( trick
== k_trick_type_shuvit
){
1251 state
->trick_vel
[2] = 3.0f
;
1253 else if( trick
== k_trick_type_treflip
){
1254 state
->trick_vel
[0] = 2.0f
;
1255 state
->trick_vel
[2] = 2.0f
;
1257 state
->trick_type
= trick
;
1262 state
->trick_type
= k_trick_type_none
;
1265 static void player__skate_post_update(void){
1266 struct player_skate_state
*state
= &player_skate
.state
;
1268 for( int i
=0; i
<player_skate
.possible_jump_count
; i
++ ){
1269 jump_info
*jump
= &player_skate
.possible_jumps
[i
];
1271 if( jump
->log_length
== 0 ){
1272 vg_fatal_error( "assert: jump->log_length == 0\n" );
1275 for( int j
=0; j
<jump
->log_length
- 1; j
++ ){
1276 float brightness
= jump
->score
*jump
->score
*jump
->score
;
1278 v3_lerp( jump
->log
[j
], jump
->log
[j
+1], brightness
, p1
);
1279 vg_line( jump
->log
[j
], p1
, jump
->colour
);
1282 vg_line_cross( jump
->log
[jump
->log_length
-1], jump
->colour
, 0.25f
);
1285 v3_add( jump
->log
[jump
->log_length
-1], jump
->n
, p1
);
1286 vg_line( jump
->log
[jump
->log_length
-1], p1
, 0xffffffff );
1288 vg_line_point( jump
->apex
, 0.02f
, 0xffffffff );
1293 float air
= ((state
->activity
<= k_skate_activity_air_to_grind
) ||
1294 (state
->activity
== k_skate_activity_handplant
))? 1.0f
: 0.0f
,
1295 speed
= v3_length( localplayer
.rb
.v
),
1296 attn
= vg_minf( 1.0f
, speed
*0.1f
),
1297 slide
= vg_clampf( fabsf(state
->slip
), 0.0f
, 1.0f
);
1299 if( state
->activity
>= k_skate_activity_grind_any
){
1303 f32 gate
= skaterift
.time_rate
,
1304 vol_main
= sqrtf( (1.0f
-air
)*attn
*(1.0f
-slide
) * 0.4f
) * gate
,
1305 vol_air
= sqrtf( air
*attn
* 0.5f
) * gate
,
1306 vol_slide
= sqrtf( (1.0f
-air
)*attn
*slide
* 0.25f
) * gate
;
1308 const u32 flags
= AUDIO_FLAG_SPACIAL_3D
|AUDIO_FLAG_LOOP
;
1310 if( !player_skate
.aud_air
){
1311 player_skate
.aud_air
= audio_get_first_idle_channel();
1312 if( player_skate
.aud_air
)
1313 audio_channel_init( player_skate
.aud_air
, &audio_board
[1], flags
);
1316 if( !player_skate
.aud_slide
){
1317 player_skate
.aud_slide
= audio_get_first_idle_channel();
1318 if( player_skate
.aud_slide
)
1319 audio_channel_init( player_skate
.aud_slide
, &audio_board
[2], flags
);
1323 /* brrrrrrrrrrrt sound for tiles and stuff
1324 * --------------------------------------------------------*/
1325 float sidechain_amt
= 0.0f
,
1326 hz
= vg_maxf( speed
* 2.0f
, 2.0f
);
1328 if( (player_skate
.surface
== k_surface_prop_tiles
) &&
1329 (state
->activity
< k_skate_activity_grind_any
) )
1330 sidechain_amt
= 1.0f
;
1332 sidechain_amt
= 0.0f
;
1334 audio_set_lfo_frequency( 0, hz
);
1335 audio_set_lfo_wave( 0, k_lfo_polynomial_bipolar
,
1336 vg_lerpf( 250.0f
, 80.0f
, attn
) );
1338 if( player_skate
.sample_change_cooldown
> 0.0f
){
1339 player_skate
.sample_change_cooldown
-= vg
.time_frame_delta
;
1342 int sample_type
= k_skate_sample_concrete
;
1344 if( state
->activity
== k_skate_activity_grind_5050
){
1345 if( player_skate
.surface
== k_surface_prop_metal
)
1346 sample_type
= k_skate_sample_metal_scrape_generic
;
1348 sample_type
= k_skate_sample_concrete_scrape_metal
;
1350 else if( (state
->activity
== k_skate_activity_grind_back50
) ||
1351 (state
->activity
== k_skate_activity_grind_front50
) )
1353 if( player_skate
.surface
== k_surface_prop_metal
){
1354 sample_type
= k_skate_sample_metal_scrape_generic
;
1357 float a
= v3_dot( localplayer
.rb
.to_world
[2],
1358 player_skate
.grind_dir
);
1359 if( fabsf(a
) > 0.70710678118654752f
)
1360 sample_type
= k_skate_sample_concrete_scrape_wood
;
1362 sample_type
= k_skate_sample_concrete_scrape_metal
;
1365 else if( state
->activity
== k_skate_activity_grind_boardslide
){
1366 if( player_skate
.surface
== k_surface_prop_metal
)
1367 sample_type
= k_skate_sample_metal_scrape_generic
;
1369 sample_type
= k_skate_sample_concrete_scrape_wood
;
1372 audio_clip
*relevant_samples
[] = {
1380 if( (player_skate
.main_sample_type
!= sample_type
) ||
1381 (!player_skate
.aud_main
) ){
1383 player_skate
.aud_main
=
1384 audio_channel_crossfade( player_skate
.aud_main
,
1385 relevant_samples
[sample_type
],
1387 player_skate
.sample_change_cooldown
= 0.1f
;
1388 player_skate
.main_sample_type
= sample_type
;
1392 if( player_skate
.aud_main
){
1393 player_skate
.aud_main
->colour
= 0x00103efe;
1394 audio_channel_set_spacial( player_skate
.aud_main
,
1395 localplayer
.rb
.co
, 40.0f
);
1396 //audio_channel_slope_volume( player_skate.aud_main, 0.05f, vol_main );
1397 audio_channel_edit_volume( player_skate
.aud_main
, vol_main
, 1 );
1398 audio_channel_sidechain_lfo( player_skate
.aud_main
, 0, sidechain_amt
);
1400 float rate
= 1.0f
+ (attn
-0.5f
)*0.2f
;
1401 audio_channel_set_sampling_rate( player_skate
.aud_main
, rate
);
1404 if( player_skate
.aud_slide
){
1405 player_skate
.aud_slide
->colour
= 0x00103efe;
1406 audio_channel_set_spacial( player_skate
.aud_slide
,
1407 localplayer
.rb
.co
, 40.0f
);
1408 //audio_channel_slope_volume( player_skate.aud_slide, 0.05f, vol_slide );
1409 audio_channel_edit_volume( player_skate
.aud_slide
, vol_slide
, 1 );
1410 audio_channel_sidechain_lfo( player_skate
.aud_slide
, 0, sidechain_amt
);
1413 if( player_skate
.aud_air
){
1414 player_skate
.aud_air
->colour
= 0x00103efe;
1415 audio_channel_set_spacial( player_skate
.aud_air
,
1416 localplayer
.rb
.co
, 40.0f
);
1417 //audio_channel_slope_volume( player_skate.aud_air, 0.05f, vol_air );
1418 audio_channel_edit_volume( player_skate
.aud_air
, vol_air
, 1 );
1425 * truck alignment model at ra(local)
1426 * returns 1 if valid surface:
1427 * surface_normal will be filled out with an averaged normal vector
1428 * axel_dir will be the direction from left to right wheels
1430 * returns 0 if no good surface found
1433 int skate_compute_surface_alignment( v3f ra
, u32 colour
,
1434 v3f surface_normal
, v3f axel_dir
){
1435 world_instance
*world
= world_current_instance();
1437 v3f truck
, left
, right
;
1438 m4x3_mulv( localplayer
.rb
.to_world
, ra
, truck
);
1440 v3_muladds( truck
, localplayer
.rb
.to_world
[0], -k_board_width
, left
);
1441 v3_muladds( truck
, localplayer
.rb
.to_world
[0], k_board_width
, right
);
1442 vg_line( left
, right
, colour
);
1444 float k_max_truck_flex
= VG_PIf
* 0.25f
;
1446 ray_hit ray_l
, ray_r
;
1449 v3_muls( localplayer
.rb
.to_world
[1], -1.0f
, dir
);
1451 int res_l
= 0, res_r
= 0;
1453 for( int i
=0; i
<8; i
++ ){
1454 float t
= 1.0f
- (float)i
* (1.0f
/8.0f
);
1455 v3_muladds( truck
, localplayer
.rb
.to_world
[0], -k_board_radius
*t
, left
);
1456 v3_muladds( left
, localplayer
.rb
.to_world
[1], k_board_radius
, left
);
1457 ray_l
.dist
= 2.1f
* k_board_radius
;
1459 res_l
= ray_world( world
, left
, dir
, &ray_l
, k_material_flag_walking
);
1465 for( int i
=0; i
<8; i
++ ){
1466 float t
= 1.0f
- (float)i
* (1.0f
/8.0f
);
1467 v3_muladds( truck
, localplayer
.rb
.to_world
[0], k_board_radius
*t
, right
);
1468 v3_muladds( right
, localplayer
.rb
.to_world
[1], k_board_radius
, right
);
1469 ray_r
.dist
= 2.1f
* k_board_radius
;
1471 res_r
= ray_world( world
, right
, dir
, &ray_r
, k_material_flag_walking
);
1479 v3f tangent_average
;
1480 v3_muladds( truck
, localplayer
.rb
.to_world
[1], -k_board_radius
, midpoint
);
1481 v3_zero( tangent_average
);
1483 if( res_l
|| res_r
){
1485 v3_copy( midpoint
, p0
);
1486 v3_copy( midpoint
, p1
);
1489 v3_copy( ray_l
.pos
, p0
);
1490 v3_cross( ray_l
.normal
, localplayer
.rb
.to_world
[0], t
);
1491 v3_add( t
, tangent_average
, tangent_average
);
1494 v3_copy( ray_r
.pos
, p1
);
1495 v3_cross( ray_r
.normal
, localplayer
.rb
.to_world
[0], t
);
1496 v3_add( t
, tangent_average
, tangent_average
);
1499 v3_sub( p1
, p0
, v0
);
1503 /* fallback: use the closes point to the trucks */
1505 int idx
= bh_closest_point( world
->geo_bh
, midpoint
, closest
, 0.1f
);
1508 u32
*tri
= &world
->scene_geo
.arrindices
[ idx
* 3 ];
1511 for( int j
=0; j
<3; j
++ )
1512 v3_copy( world
->scene_geo
.arrvertices
[ tri
[j
] ].co
, verts
[j
] );
1514 v3f vert0
, vert1
, n
;
1515 v3_sub( verts
[1], verts
[0], vert0
);
1516 v3_sub( verts
[2], verts
[0], vert1
);
1517 v3_cross( vert0
, vert1
, n
);
1520 if( v3_dot( n
, localplayer
.rb
.to_world
[1] ) < 0.3f
)
1523 v3_cross( n
, localplayer
.rb
.to_world
[2], v0
);
1524 v3_muladds( v0
, localplayer
.rb
.to_world
[2],
1525 -v3_dot( localplayer
.rb
.to_world
[2], v0
), v0
);
1529 v3_cross( n
, localplayer
.rb
.to_world
[0], t
);
1530 v3_add( t
, tangent_average
, tangent_average
);
1536 v3_muladds( truck
, v0
, k_board_width
, right
);
1537 v3_muladds( truck
, v0
, -k_board_width
, left
);
1539 vg_line( left
, right
, VG__WHITE
);
1541 v3_normalize( tangent_average
);
1542 v3_cross( v0
, tangent_average
, surface_normal
);
1543 v3_copy( v0
, axel_dir
);
1548 static void skate_weight_distribute(void){
1549 struct player_skate_state
*state
= &player_skate
.state
;
1550 v3_zero( player_skate
.weight_distribution
);
1552 int reverse_dir
= v3_dot( localplayer
.rb
.to_world
[2],
1553 localplayer
.rb
.v
) < 0.0f
?1:-1;
1556 joystick_state( k_srjoystick_steer
, steer
);
1558 if( state
->manual_direction
== 0 ){
1559 if( (steer
[1] > 0.7f
) && (state
->activity
== k_skate_activity_ground
) &&
1560 (state
->jump_charge
<= 0.01f
) )
1561 state
->manual_direction
= reverse_dir
;
1564 if( steer
[1] < 0.1f
){
1565 state
->manual_direction
= 0;
1568 if( reverse_dir
!= state
->manual_direction
){
1574 if( state
->manual_direction
){
1575 float amt
= vg_minf( steer
[1] * 8.0f
, 1.0f
);
1576 player_skate
.weight_distribution
[2] = k_board_length
* amt
*
1577 (float)state
->manual_direction
;
1580 if( state
->manual_direction
){
1583 m3x3_mulv( localplayer
.rb
.to_world
, player_skate
.weight_distribution
,
1585 v3_negate( plane_z
, plane_z
);
1587 v3_muladds( plane_z
, player_skate
.surface_picture
,
1588 -v3_dot( plane_z
, player_skate
.surface_picture
), plane_z
);
1589 v3_normalize( plane_z
);
1591 v3_muladds( plane_z
, player_skate
.surface_picture
, 0.3f
, plane_z
);
1592 v3_normalize( plane_z
);
1595 v3_muladds( localplayer
.rb
.co
, plane_z
, 1.5f
, p1
);
1596 vg_line( localplayer
.rb
.co
, p1
, VG__GREEN
);
1599 v3_muls( localplayer
.rb
.to_world
[2], -(float)state
->manual_direction
,
1602 rb_effect_spring_target_vector( &localplayer
.rb
, refdir
, plane_z
,
1603 k_manul_spring
, k_manul_dampener
,
1604 player_skate
.substep_delta
);
1608 static void skate_adjust_up_direction(void){
1609 struct player_skate_state
*state
= &player_skate
.state
;
1611 if( state
->activity
== k_skate_activity_ground
){
1613 v3_copy( player_skate
.surface_picture
, target
);
1615 target
[1] += 2.0f
* player_skate
.surface_picture
[1];
1616 v3_normalize( target
);
1618 v3_lerp( state
->up_dir
, target
,
1619 8.0f
* player_skate
.substep_delta
, state
->up_dir
);
1621 else if( state
->activity
<= k_skate_activity_air_to_grind
){
1622 v3_lerp( state
->up_dir
, localplayer
.rb
.to_world
[1],
1623 8.0f
* player_skate
.substep_delta
, state
->up_dir
);
1627 v3_add( localplayer
.rb
.to_world
[1], (v3f
){0,1,0}, avg
);
1628 v3_normalize( avg
);
1630 v3_lerp( state
->up_dir
, avg
,
1631 6.0f
* player_skate
.substep_delta
, state
->up_dir
);
1635 static int skate_point_visible( v3f origin
, v3f target
){
1637 v3_sub( target
, origin
, dir
);
1640 ray
.dist
= v3_length( dir
);
1641 v3_muls( dir
, 1.0f
/ray
.dist
, dir
);
1644 if( ray_world( world_current_instance(), origin
, dir
, &ray
,
1645 k_material_flag_walking
) )
1651 static void skate_grind_orient( struct grind_info
*inf
, m3x3f mtx
){
1652 v3_copy( inf
->dir
, mtx
[0] );
1653 v3_copy( inf
->n
, mtx
[1] );
1654 v3_cross( mtx
[0], mtx
[1], mtx
[2] );
1657 static void skate_grind_friction( struct grind_info
*inf
, float strength
){
1659 v3_muladds( localplayer
.rb
.to_world
[2], inf
->n
,
1660 -v3_dot( localplayer
.rb
.to_world
[2], inf
->n
), v2
);
1662 float a
= 1.0f
-fabsf( v3_dot( v2
, inf
->dir
) ),
1663 dir
= vg_signf( v3_dot( localplayer
.rb
.v
, inf
->dir
) ),
1664 F
= a
* -dir
* k_grind_max_friction
;
1666 v3_muladds( localplayer
.rb
.v
, inf
->dir
, F
*k_rb_delta
*strength
,
1670 static void skate_grind_decay( struct grind_info
*inf
, float strength
){
1672 skate_grind_orient( inf
, mtx
);
1673 m3x3_transpose( mtx
, mtx_inv
);
1676 m3x3_mulv( mtx_inv
, localplayer
.rb
.v
, v_grind
);
1678 float decay
= 1.0f
- ( k_rb_delta
* k_grind_decayxy
* strength
);
1679 v3_mul( v_grind
, (v3f
){ 1.0f
, decay
, decay
}, v_grind
);
1680 m3x3_mulv( mtx
, v_grind
, localplayer
.rb
.v
);
1683 static void skate_grind_truck_apply( float sign
, struct grind_info
*inf
,
1685 struct player_skate_state
*state
= &player_skate
.state
;
1687 v3f ra
= { 0.0f
, -k_board_radius
, sign
* k_board_length
};
1689 m3x3_mulv( localplayer
.rb
.to_world
, ra
, raw
);
1690 v3_add( localplayer
.rb
.co
, raw
, wsp
);
1692 v3_copy( ra
, player_skate
.weight_distribution
);
1695 v3_sub( inf
->co
, wsp
, delta
);
1698 v3_muladds( localplayer
.rb
.v
, delta
, k_spring_force
*strength
*k_rb_delta
,
1701 skate_grind_decay( inf
, strength
);
1702 skate_grind_friction( inf
, strength
);
1704 /* yeah yeah yeah yeah */
1705 v3f raw_nplane
, axis
;
1706 v3_muladds( raw
, inf
->n
, -v3_dot( inf
->n
, raw
), raw_nplane
);
1707 v3_cross( raw_nplane
, inf
->n
, axis
);
1708 v3_normalize( axis
);
1712 skate_grind_orient( inf
, mtx
);
1713 v3f target_fwd
, fwd
, up
, target_up
;
1714 m3x3_mulv( mtx
, player_skate
.grind_vec
, target_fwd
);
1715 v3_copy( raw_nplane
, fwd
);
1716 v3_copy( localplayer
.rb
.to_world
[1], up
);
1717 v3_copy( inf
->n
, target_up
);
1719 v3_muladds( target_fwd
, inf
->n
, -v3_dot(inf
->n
,target_fwd
), target_fwd
);
1720 v3_muladds( fwd
, inf
->n
, -v3_dot(inf
->n
,fwd
), fwd
);
1722 v3_normalize( target_fwd
);
1723 v3_normalize( fwd
);
1726 joystick_state( k_srjoystick_steer
, steer
);
1728 float way
= steer
[1] * vg_signf( v3_dot( raw_nplane
, localplayer
.rb
.v
) );
1731 q_axis_angle( q
, axis
, VG_PIf
*0.125f
* way
);
1732 q_mulv( q
, target_up
, target_up
);
1733 q_mulv( q
, target_fwd
, target_fwd
);
1735 rb_effect_spring_target_vector( &localplayer
.rb
, up
, target_up
,
1740 rb_effect_spring_target_vector( &localplayer
.rb
, fwd
, target_fwd
,
1741 k_grind_spring
*strength
,
1742 k_grind_dampener
*strength
,
1745 vg_line_arrow( localplayer
.rb
.co
, target_up
, 1.0f
, VG__GREEN
);
1746 vg_line_arrow( localplayer
.rb
.co
, fwd
, 0.8f
, VG__RED
);
1747 vg_line_arrow( localplayer
.rb
.co
, target_fwd
, 1.0f
, VG__YELOW
);
1749 player_skate
.grind_strength
= strength
;
1752 struct grind_limit
*limit
=
1753 &player_skate
.limits
[ player_skate
.limit_count
++ ];
1754 m4x3_mulv( localplayer
.rb
.to_local
, wsp
, limit
->ra
);
1755 m3x3_mulv( localplayer
.rb
.to_local
, inf
->n
, limit
->n
);
1758 v3_copy( inf
->dir
, player_skate
.grind_dir
);
1761 static void skate_5050_apply( struct grind_info
*inf_front
,
1762 struct grind_info
*inf_back
){
1763 struct player_skate_state
*state
= &player_skate
.state
;
1764 struct grind_info inf_avg
;
1766 v3_sub( inf_front
->co
, inf_back
->co
, inf_avg
.dir
);
1767 v3_muladds( inf_back
->co
, inf_avg
.dir
, 0.5f
, inf_avg
.co
);
1768 v3_normalize( inf_avg
.dir
);
1771 v3_muls( inf_avg
.dir
, vg_signf(v3_dot(inf_avg
.dir
,localplayer
.rb
.v
)),
1774 v3f axis_front
, axis_back
, axis
;
1775 v3_cross( inf_front
->dir
, inf_front
->n
, axis_front
);
1776 v3_cross( inf_back
->dir
, inf_back
->n
, axis_back
);
1777 v3_add( axis_front
, axis_back
, axis
);
1778 v3_normalize( axis
);
1780 v3_cross( axis
, inf_avg
.dir
, inf_avg
.n
);
1781 skate_grind_decay( &inf_avg
, 1.0f
);
1784 joystick_state( k_srjoystick_steer
, steer
);
1786 float way
= steer
[1] * vg_signf( v3_dot( localplayer
.rb
.to_world
[2],
1787 localplayer
.rb
.v
) );
1790 v3_copy( localplayer
.rb
.to_world
[1], up
);
1791 v3_copy( inf_avg
.n
, target_up
);
1792 q_axis_angle( q
, localplayer
.rb
.to_world
[0], VG_PIf
*0.25f
* -way
);
1793 q_mulv( q
, target_up
, target_up
);
1795 v3_zero( player_skate
.weight_distribution
);
1796 player_skate
.weight_distribution
[2] = k_board_length
* -way
;
1798 rb_effect_spring_target_vector( &localplayer
.rb
, up
, target_up
,
1802 vg_line_arrow( localplayer
.rb
.co
, up
, 1.0f
, VG__GREEN
);
1803 vg_line_arrow( localplayer
.rb
.co
, target_up
, 1.0f
, VG__GREEN
);
1805 v3f fwd_nplane
, dir_nplane
;
1806 v3_muladds( localplayer
.rb
.to_world
[2], inf_avg
.n
,
1807 -v3_dot( localplayer
.rb
.to_world
[2], inf_avg
.n
), fwd_nplane
);
1810 v3_muls( inf_avg
.dir
, v3_dot( fwd_nplane
, inf_avg
.dir
), dir
);
1811 v3_muladds( dir
, inf_avg
.n
, -v3_dot( dir
, inf_avg
.n
), dir_nplane
);
1813 v3_normalize( fwd_nplane
);
1814 v3_normalize( dir_nplane
);
1816 rb_effect_spring_target_vector( &localplayer
.rb
, fwd_nplane
, dir_nplane
,
1820 vg_line_arrow( localplayer
.rb
.co
, fwd_nplane
, 0.8f
, VG__RED
);
1821 vg_line_arrow( localplayer
.rb
.co
, dir_nplane
, 0.8f
, VG__RED
);
1823 v3f pos_front
= { 0.0f
, -k_board_radius
, -1.0f
* k_board_length
},
1824 pos_back
= { 0.0f
, -k_board_radius
, 1.0f
* k_board_length
},
1825 delta_front
, delta_back
, delta_total
;
1827 m4x3_mulv( localplayer
.rb
.to_world
, pos_front
, pos_front
);
1828 m4x3_mulv( localplayer
.rb
.to_world
, pos_back
, pos_back
);
1830 v3_sub( inf_front
->co
, pos_front
, delta_front
);
1831 v3_sub( inf_back
->co
, pos_back
, delta_back
);
1832 v3_add( delta_front
, delta_back
, delta_total
);
1834 v3_muladds( localplayer
.rb
.v
, delta_total
, 50.0f
* k_rb_delta
,
1838 struct grind_limit
*limit
=
1839 &player_skate
.limits
[ player_skate
.limit_count
++ ];
1840 v3_zero( limit
->ra
);
1841 m3x3_mulv( localplayer
.rb
.to_local
, inf_avg
.n
, limit
->n
);
1844 v3_copy( inf_avg
.dir
, player_skate
.grind_dir
);
1847 static int skate_grind_truck_renew( f32 sign
, struct grind_info
*inf
){
1848 struct player_skate_state
*state
= &player_skate
.state
;
1850 v3f wheel_co
= { 0.0f
, 0.0f
, sign
* k_board_length
},
1851 grind_co
= { 0.0f
, -k_board_radius
, sign
* k_board_length
};
1853 m4x3_mulv( localplayer
.rb
.to_world
, wheel_co
, wheel_co
);
1854 m4x3_mulv( localplayer
.rb
.to_world
, grind_co
, grind_co
);
1856 /* Exit condition: lost grind tracking */
1857 if( !skate_grind_scansq( grind_co
, localplayer
.rb
.v
, 0.3f
, inf
) )
1860 /* Exit condition: cant see grind target directly */
1861 if( !skate_point_visible( wheel_co
, inf
->co
) )
1864 /* Exit condition: minimum velocity not reached, but allow a bit of error */
1865 float dv
= fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)),
1866 minv
= k_grind_axel_min_vel
*0.8f
;
1871 if( fabsf(v3_dot( inf
->dir
, player_skate
.grind_dir
)) < k_grind_max_edge_angle
)
1874 v3_copy( inf
->dir
, player_skate
.grind_dir
);
1878 static int skate_grind_truck_entry( f32 sign
, struct grind_info
*inf
){
1879 struct player_skate_state
*state
= &player_skate
.state
;
1882 v3f ra
= { 0.0f
, -k_board_radius
, sign
* k_board_length
};
1885 m3x3_mulv( localplayer
.rb
.to_world
, ra
, raw
);
1886 v3_add( localplayer
.rb
.co
, raw
, wsp
);
1888 if( skate_grind_scansq( wsp
, localplayer
.rb
.v
, 0.3, inf
) ){
1889 if( fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)) < k_grind_axel_min_vel
)
1892 /* velocity should be at least 60% aligned */
1894 v3_cross( inf
->n
, inf
->dir
, axis
);
1895 v3_muladds( localplayer
.rb
.v
, inf
->n
,
1896 -v3_dot( localplayer
.rb
.v
, inf
->n
), pv
);
1898 if( v3_length2( pv
) < 0.0001f
)
1902 if( fabsf(v3_dot( pv
, inf
->dir
)) < k_grind_axel_max_angle
)
1905 if( v3_dot( localplayer
.rb
.v
, inf
->n
) > 0.5f
)
1908 v3f local_co
, local_dir
, local_n
;
1909 m4x3_mulv( localplayer
.rb
.to_local
, inf
->co
, local_co
);
1910 m3x3_mulv( localplayer
.rb
.to_local
, inf
->dir
, local_dir
);
1911 m3x3_mulv( localplayer
.rb
.to_local
, inf
->n
, local_n
);
1913 v2f delta
= { local_co
[0], local_co
[2] - k_board_length
*sign
};
1915 float truck_height
= -(k_board_radius
+0.03f
);
1918 v3_cross( localplayer
.rb
.w
, raw
, rv
);
1919 v3_add( localplayer
.rb
.v
, rv
, rv
);
1921 if( (local_co
[1] >= truck_height
) &&
1922 (v2_length2( delta
) <= k_board_radius
*k_board_radius
) )
1931 static void skate_boardslide_apply( struct grind_info
*inf
){
1932 struct player_skate_state
*state
= &player_skate
.state
;
1934 v3f local_co
, local_dir
, local_n
;
1935 m4x3_mulv( localplayer
.rb
.to_local
, inf
->co
, local_co
);
1936 m3x3_mulv( localplayer
.rb
.to_local
, inf
->dir
, local_dir
);
1937 m3x3_mulv( localplayer
.rb
.to_local
, inf
->n
, local_n
);
1940 v3_muladds( local_co
, local_dir
, local_co
[0]/-local_dir
[0],
1942 v3_copy( intersection
, player_skate
.weight_distribution
);
1944 skate_grind_decay( inf
, 0.0125f
);
1945 skate_grind_friction( inf
, 0.25f
);
1947 /* direction alignment */
1949 v3_cross( local_dir
, local_n
, perp
);
1950 v3_muls( local_dir
, vg_signf(local_dir
[0]), dir
);
1951 v3_muls( perp
, vg_signf(perp
[2]), perp
);
1953 m3x3_mulv( localplayer
.rb
.to_world
, dir
, dir
);
1954 m3x3_mulv( localplayer
.rb
.to_world
, perp
, perp
);
1957 q_axis_angle( qbalance
, dir
, local_co
[0]*k_grind_balance
);
1958 q_mulv( qbalance
, perp
, perp
);
1960 rb_effect_spring_target_vector( &localplayer
.rb
, localplayer
.rb
.to_world
[0],
1962 k_grind_spring
, k_grind_dampener
,
1965 rb_effect_spring_target_vector( &localplayer
.rb
, localplayer
.rb
.to_world
[2],
1967 k_grind_spring
, k_grind_dampener
,
1970 vg_line_arrow( localplayer
.rb
.co
, dir
, 0.5f
, VG__GREEN
);
1971 vg_line_arrow( localplayer
.rb
.co
, perp
, 0.5f
, VG__BLUE
);
1973 v3_copy( inf
->dir
, player_skate
.grind_dir
);
1976 static int skate_boardslide_entry( struct grind_info
*inf
){
1977 struct player_skate_state
*state
= &player_skate
.state
;
1979 if( skate_grind_scansq( localplayer
.rb
.co
,
1980 localplayer
.rb
.to_world
[0], k_board_length
,
1983 v3f local_co
, local_dir
;
1984 m4x3_mulv( localplayer
.rb
.to_local
, inf
->co
, local_co
);
1985 m3x3_mulv( localplayer
.rb
.to_local
, inf
->dir
, local_dir
);
1987 if( (fabsf(local_co
[2]) <= k_board_length
) && /* within wood area */
1988 (local_co
[1] >= 0.0f
) && /* at deck level */
1989 (fabsf(local_dir
[0]) >= 0.25f
) ) /* perpendicular to us */
1991 if( fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)) < k_grind_axel_min_vel
)
2001 static int skate_boardslide_renew( struct grind_info
*inf
){
2002 struct player_skate_state
*state
= &player_skate
.state
;
2004 if( !skate_grind_scansq( localplayer
.rb
.co
,
2005 localplayer
.rb
.to_world
[0], k_board_length
,
2009 /* Exit condition: cant see grind target directly */
2011 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1], 0.2f
, vis
);
2012 if( !skate_point_visible( vis
, inf
->co
) )
2015 /* Exit condition: minimum velocity not reached, but allow a bit of error */
2016 float dv
= fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)),
2017 minv
= k_grind_axel_min_vel
*0.8f
;
2022 if( fabsf(v3_dot( inf
->dir
, player_skate
.grind_dir
)) < k_grind_max_edge_angle
)
2028 static void skate_store_grind_vec( struct grind_info
*inf
){
2029 struct player_skate_state
*state
= &player_skate
.state
;
2032 skate_grind_orient( inf
, mtx
);
2033 m3x3_transpose( mtx
, mtx
);
2036 v3_sub( inf
->co
, localplayer
.rb
.co
, raw
);
2038 m3x3_mulv( mtx
, raw
, player_skate
.grind_vec
);
2039 v3_normalize( player_skate
.grind_vec
);
2040 v3_copy( inf
->dir
, player_skate
.grind_dir
);
2043 static enum skate_activity
skate_availible_grind(void){
2044 struct player_skate_state
*state
= &player_skate
.state
;
2046 if( state
->grind_cooldown
> 100 ){
2047 vg_fatal_error( "wth!\n" );
2050 /* debounces this state manager a little bit */
2051 if( state
->grind_cooldown
){
2052 state
->grind_cooldown
--;
2053 return k_skate_activity_undefined
;
2056 struct grind_info inf_back50
,
2068 joystick_state( k_srjoystick_steer
, steer
);
2070 if( state
->activity
== k_skate_activity_grind_5050
||
2071 state
->activity
== k_skate_activity_grind_back50
||
2072 state
->activity
== k_skate_activity_grind_front50
)
2074 float tilt
= steer
[1];
2076 if( fabsf(tilt
) >= 0.25f
){
2077 v3f raw
= {0.0f
,0.0f
,tilt
};
2078 m3x3_mulv( localplayer
.rb
.to_world
, raw
, raw
);
2080 float way
= tilt
* vg_signf( v3_dot( raw
, localplayer
.rb
.v
) );
2082 if( way
< 0.0f
) allow_front
= 0;
2083 else allow_back
= 0;
2087 if( state
->activity
== k_skate_activity_grind_boardslide
){
2088 res_slide
= skate_boardslide_renew( &inf_slide
);
2090 else if( state
->activity
== k_skate_activity_grind_back50
){
2091 res_back50
= skate_grind_truck_renew( 1.0f
, &inf_back50
);
2094 res_front50
= skate_grind_truck_entry( -1.0f
, &inf_front50
);
2096 else if( state
->activity
== k_skate_activity_grind_front50
){
2097 res_front50
= skate_grind_truck_renew( -1.0f
, &inf_front50
);
2100 res_back50
= skate_grind_truck_entry( 1.0f
, &inf_back50
);
2102 else if( state
->activity
== k_skate_activity_grind_5050
){
2104 res_front50
= skate_grind_truck_renew( -1.0f
, &inf_front50
);
2106 res_back50
= skate_grind_truck_renew( 1.0f
, &inf_back50
);
2109 res_slide
= skate_boardslide_entry( &inf_slide
);
2112 res_back50
= skate_grind_truck_entry( 1.0f
, &inf_back50
);
2115 res_front50
= skate_grind_truck_entry( -1.0f
, &inf_front50
);
2117 if( res_back50
!= res_front50
){
2118 int wants_to_do_that
= fabsf(steer
[1]) >= 0.25f
;
2120 res_back50
&= wants_to_do_that
;
2121 res_front50
&= wants_to_do_that
;
2125 const enum skate_activity table
[] =
2126 { /* slide | back | front */
2127 k_skate_activity_undefined
, /* 0 0 0 */
2128 k_skate_activity_grind_front50
, /* 0 0 1 */
2129 k_skate_activity_grind_back50
, /* 0 1 0 */
2130 k_skate_activity_grind_5050
, /* 0 1 1 */
2132 /* slide has priority always */
2133 k_skate_activity_grind_boardslide
, /* 1 0 0 */
2134 k_skate_activity_grind_boardslide
, /* 1 0 1 */
2135 k_skate_activity_grind_boardslide
, /* 1 1 0 */
2136 k_skate_activity_grind_boardslide
, /* 1 1 1 */
2138 , new_activity
= table
[ res_slide
<< 2 | res_back50
<< 1 | res_front50
];
2140 if( new_activity
== k_skate_activity_undefined
){
2141 if( state
->activity
>= k_skate_activity_grind_any
){
2142 state
->grind_cooldown
= 15;
2143 state
->surface_cooldown
= 10;
2146 else if( new_activity
== k_skate_activity_grind_boardslide
){
2147 skate_boardslide_apply( &inf_slide
);
2149 else if( new_activity
== k_skate_activity_grind_back50
){
2150 if( state
->activity
!= k_skate_activity_grind_back50
)
2151 skate_store_grind_vec( &inf_back50
);
2153 skate_grind_truck_apply( 1.0f
, &inf_back50
, 1.0f
);
2155 else if( new_activity
== k_skate_activity_grind_front50
){
2156 if( state
->activity
!= k_skate_activity_grind_front50
)
2157 skate_store_grind_vec( &inf_front50
);
2159 skate_grind_truck_apply( -1.0f
, &inf_front50
, 1.0f
);
2161 else if( new_activity
== k_skate_activity_grind_5050
)
2162 skate_5050_apply( &inf_front50
, &inf_back50
);
2164 return new_activity
;
2167 static void player__skate_update(void){
2168 struct player_skate_state
*state
= &player_skate
.state
;
2169 world_instance
*world
= world_current_instance();
2171 if( state
->activity
== k_skate_activity_handplant
){
2175 if( world
->water
.enabled
){
2176 if( localplayer
.rb
.co
[1]+0.25f
< world
->water
.height
){
2177 player__networked_sfx( k_player_subsystem_walk
, 32,
2178 k_player_walk_soundeffect_splash
,
2179 localplayer
.rb
.co
, 1.0f
);
2180 player__skate_kill_audio();
2181 player__dead_transition( k_player_die_type_generic
);
2186 v3_copy( localplayer
.rb
.co
, state
->prev_pos
);
2187 state
->activity_prev
= state
->activity
;
2189 v3_zero( normal_total
);
2191 struct board_collider
2198 enum board_collider_state
2200 k_collider_state_default
,
2201 k_collider_state_disabled
,
2202 k_collider_state_colliding
2209 { 0.0f
, 0.0f
, -k_board_length
},
2210 .radius
= k_board_radius
,
2214 { 0.0f
, 0.0f
, k_board_length
},
2215 .radius
= k_board_radius
,
2222 if( state
->activity
<= k_skate_activity_air_to_grind
){
2223 float min_dist
= 0.6f
;
2224 for( int i
=0; i
<2; i
++ ){
2226 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, wpos
);
2228 if( bh_closest_point( world
->geo_bh
, wpos
, closest
, min_dist
) != -1 ){
2229 min_dist
= vg_minf( min_dist
, v3_dist( closest
, wpos
) );
2233 float vy
= vg_maxf( 0.0f
, localplayer
.rb
.v
[1] );
2234 slap
= vg_clampf( (min_dist
/0.5f
) + vy
, 0.0f
, 1.0f
)*0.3f
;
2236 state
->slap
= vg_lerpf( state
->slap
, slap
, 10.0f
*k_rb_delta
);
2238 wheels
[0].pos
[1] = state
->slap
;
2239 wheels
[1].pos
[1] = state
->slap
;
2242 const int k_wheel_count
= 2;
2244 player_skate
.substep
= k_rb_delta
;
2245 player_skate
.substep_delta
= player_skate
.substep
;
2246 player_skate
.limit_count
= 0;
2248 int substep_count
= 0;
2250 v3_zero( player_skate
.surface_picture
);
2252 int prev_contacts
[2];
2254 for( int i
=0; i
<k_wheel_count
; i
++ ){
2255 wheels
[i
].state
= k_collider_state_default
;
2256 prev_contacts
[i
] = player_skate
.wheel_contacts
[i
];
2259 /* check if we can enter or continue grind */
2260 enum skate_activity grindable_activity
= skate_availible_grind();
2261 if( grindable_activity
!= k_skate_activity_undefined
){
2262 state
->activity
= grindable_activity
;
2266 int contact_count
= 0;
2267 for( int i
=0; i
<2; i
++ ){
2269 v3_copy( localplayer
.rb
.to_world
[0], axel
);
2271 if( skate_compute_surface_alignment( wheels
[i
].pos
,
2272 wheels
[i
].colour
, normal
, axel
) )
2274 rb_effect_spring_target_vector( &localplayer
.rb
,
2275 localplayer
.rb
.to_world
[0],
2277 k_surface_spring
, k_surface_dampener
,
2278 player_skate
.substep_delta
);
2280 v3_add( normal
, player_skate
.surface_picture
,
2281 player_skate
.surface_picture
);
2283 player_skate
.wheel_contacts
[i
] = 1;
2286 player_skate
.wheel_contacts
[i
] = 0;
2289 m3x3_mulv( localplayer
.rb
.to_local
, axel
, player_skate
.truckv0
[i
] );
2292 if( state
->surface_cooldown
){
2293 state
->surface_cooldown
--;
2297 if( (prev_contacts
[0]+prev_contacts
[1] == 1) && (contact_count
== 2) ){
2298 for( int i
=0; i
<2; i
++ ){
2299 if( !prev_contacts
[i
] ){
2301 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, co
);
2302 player__networked_sfx( k_player_subsystem_skate
, 32,
2303 k_player_skate_soundeffect_tap
,
2304 localplayer
.rb
.co
, 0.75f
);
2309 if( contact_count
){
2310 state
->activity
= k_skate_activity_ground
;
2311 state
->gravity_bias
= k_gravity
;
2312 v3_normalize( player_skate
.surface_picture
);
2314 skate_apply_friction_model();
2315 skate_weight_distribute();
2318 if( state
->activity
> k_skate_activity_air_to_grind
)
2319 state
->activity
= k_skate_activity_air
;
2321 v3_zero( player_skate
.weight_distribution
);
2322 skate_apply_air_model();
2327 if( state
->activity
== k_skate_activity_grind_back50
)
2328 wheels
[1].state
= k_collider_state_disabled
;
2329 if( state
->activity
== k_skate_activity_grind_front50
)
2330 wheels
[0].state
= k_collider_state_disabled
;
2331 if( state
->activity
== k_skate_activity_grind_5050
){
2332 wheels
[0].state
= k_collider_state_disabled
;
2333 wheels
[1].state
= k_collider_state_disabled
;
2336 /* all activities */
2337 skate_apply_steering_model();
2338 skate_adjust_up_direction();
2339 skate_apply_cog_model();
2340 skate_apply_jump_model();
2341 skate_apply_handplant_model();
2342 skate_apply_grab_model();
2343 skate_apply_trick_model();
2344 skate_apply_pump_model();
2349 * Phase 0: Continous collision detection
2350 * --------------------------------------------------------------------------
2353 v3f head_wp0
, head_wp1
, start_co
;
2354 m4x3_mulv( localplayer
.rb
.to_world
, state
->head_position
, head_wp0
);
2355 v3_copy( localplayer
.rb
.co
, start_co
);
2357 /* calculate transform one step into future */
2360 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.v
, player_skate
.substep
,
2363 if( v3_length2( localplayer
.rb
.w
) > 0.0f
){
2366 v3_copy( localplayer
.rb
.w
, axis
);
2368 float mag
= v3_length( axis
);
2369 v3_divs( axis
, mag
, axis
);
2370 q_axis_angle( rotation
, axis
, mag
*player_skate
.substep
);
2371 q_mul( rotation
, localplayer
.rb
.q
, future_q
);
2372 q_normalize( future_q
);
2375 v4_copy( localplayer
.rb
.q
, future_q
);
2377 v3f future_cg
, current_cg
, cg_offset
;
2378 q_mulv( localplayer
.rb
.q
, player_skate
.weight_distribution
, current_cg
);
2379 q_mulv( future_q
, player_skate
.weight_distribution
, future_cg
);
2380 v3_sub( future_cg
, current_cg
, cg_offset
);
2382 /* calculate the minimum time we can move */
2383 float max_time
= player_skate
.substep
;
2385 for( int i
=0; i
<k_wheel_count
; i
++ ){
2386 if( wheels
[i
].state
== k_collider_state_disabled
)
2389 v3f current
, future
, r_cg
;
2391 q_mulv( future_q
, wheels
[i
].pos
, future
);
2392 v3_add( future
, future_co
, future
);
2393 v3_add( cg_offset
, future
, future
);
2395 q_mulv( localplayer
.rb
.q
, wheels
[i
].pos
, current
);
2396 v3_add( current
, localplayer
.rb
.co
, current
);
2401 float cast_radius
= wheels
[i
].radius
- k_penetration_slop
* 2.0f
;
2402 if( spherecast_world( world
, current
, future
, cast_radius
, &t
, n
,
2403 k_material_flag_walking
) != -1)
2404 max_time
= vg_minf( max_time
, t
* player_skate
.substep
);
2407 /* clamp to a fraction of delta, to prevent locking */
2408 float rate_lock
= substep_count
;
2409 rate_lock
*= k_rb_delta
* 0.1f
;
2410 rate_lock
*= rate_lock
;
2412 max_time
= vg_maxf( max_time
, rate_lock
);
2413 player_skate
.substep_delta
= max_time
;
2416 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.v
,
2417 player_skate
.substep_delta
, localplayer
.rb
.co
);
2418 if( v3_length2( localplayer
.rb
.w
) > 0.0f
){
2421 v3_copy( localplayer
.rb
.w
, axis
);
2423 float mag
= v3_length( axis
);
2424 v3_divs( axis
, mag
, axis
);
2425 q_axis_angle( rotation
, axis
, mag
*player_skate
.substep_delta
);
2426 q_mul( rotation
, localplayer
.rb
.q
, localplayer
.rb
.q
);
2427 q_normalize( localplayer
.rb
.q
);
2429 q_mulv( localplayer
.rb
.q
, player_skate
.weight_distribution
, future_cg
);
2430 v3_sub( current_cg
, future_cg
, cg_offset
);
2431 v3_add( localplayer
.rb
.co
, cg_offset
, localplayer
.rb
.co
);
2434 rb_update_transform( &localplayer
.rb
);
2435 localplayer
.rb
.v
[1] += -state
->gravity_bias
* player_skate
.substep_delta
;
2437 player_skate
.substep
-= player_skate
.substep_delta
;
2439 rb_ct manifold
[128];
2440 int manifold_len
= 0;
2442 * Phase -1: head detection
2443 * --------------------------------------------------------------------------
2445 m4x3_mulv( localplayer
.rb
.to_world
, state
->head_position
, head_wp1
);
2449 if( (v3_dist2( head_wp0
, head_wp1
) > 0.001f
) &&
2450 (spherecast_world( world
, head_wp0
, head_wp1
, 0.2f
, &t
, n
,
2451 k_material_flag_walking
) != -1) )
2453 v3_lerp( start_co
, localplayer
.rb
.co
, t
, localplayer
.rb
.co
);
2454 rb_update_transform( &localplayer
.rb
);
2456 player__skate_kill_audio();
2457 player__dead_transition( k_player_die_type_head
);
2462 * Phase 1: Regular collision detection
2463 * --------------------------------------------------------------------------
2466 for( int i
=0; i
<k_wheel_count
; i
++ ){
2467 if( wheels
[i
].state
== k_collider_state_disabled
)
2471 m3x3_identity( mtx
);
2472 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, mtx
[3] );
2474 rb_sphere collider
= { .radius
= wheels
[i
].radius
};
2476 rb_ct
*man
= &manifold
[ manifold_len
];
2478 int l
= skate_collide_smooth( mtx
, &collider
, man
);
2480 wheels
[i
].state
= k_collider_state_colliding
;
2485 float grind_radius
= k_board_radius
* 0.75f
;
2486 rb_capsule capsule
= { .height
= (k_board_length
+0.2f
)*2.0f
,
2487 .radius
=grind_radius
};
2489 v3_muls( localplayer
.rb
.to_world
[0], 1.0f
, mtx
[0] );
2490 v3_muls( localplayer
.rb
.to_world
[2], -1.0f
, mtx
[1] );
2491 v3_muls( localplayer
.rb
.to_world
[1], 1.0f
, mtx
[2] );
2492 v3_muladds( localplayer
.rb
.to_world
[3], localplayer
.rb
.to_world
[1],
2493 grind_radius
+ k_board_radius
*0.25f
+state
->slap
, mtx
[3] );
2495 rb_ct
*cman
= &manifold
[manifold_len
];
2497 int l
= rb_capsule__scene( mtx
, &capsule
, NULL
, &world
->rb_geo
.inf
.scene
,
2498 cman
, k_material_flag_walking
);
2501 for( int i
=0; i
<l
; i
++ )
2502 cman
[l
].type
= k_contact_type_edge
;
2503 rb_manifold_filter_joint_edges( cman
, l
, 0.03f
);
2504 l
= rb_manifold_apply_filtered( cman
, l
);
2509 vg_line_capsule( mtx
, capsule
.radius
, capsule
.height
, VG__WHITE
);
2512 if( state
->activity
>= k_skate_activity_grind_any
){
2513 for( int i
=0; i
<player_skate
.limit_count
; i
++ ){
2514 struct grind_limit
*limit
= &player_skate
.limits
[i
];
2515 rb_ct
*ct
= &manifold
[ manifold_len
++ ];
2516 m4x3_mulv( localplayer
.rb
.to_world
, limit
->ra
, ct
->co
);
2517 m3x3_mulv( localplayer
.rb
.to_world
, limit
->n
, ct
->n
);
2519 ct
->type
= k_contact_type_default
;
2525 * --------------------------------------------------------------------------
2530 m4x3_mulv( localplayer
.rb
.to_world
,
2531 player_skate
.weight_distribution
, world_cog
);
2532 vg_line_point( world_cog
, 0.02f
, VG__BLACK
);
2534 for( int i
=0; i
<manifold_len
; i
++ ){
2535 rb_prepare_contact( &manifold
[i
], player_skate
.substep_delta
);
2536 rb_debug_contact( &manifold
[i
] );
2539 /* yes, we are currently rebuilding mass matrices every frame. too bad! */
2540 v3f extent
= { k_board_width
*10.0f
, 0.1f
, k_board_length
};
2541 float ex2
= k_board_interia
*extent
[0]*extent
[0],
2542 ey2
= k_board_interia
*extent
[1]*extent
[1],
2543 ez2
= k_board_interia
*extent
[2]*extent
[2];
2545 float mass
= 2.0f
* (extent
[0]*extent
[1]*extent
[2]);
2546 float inv_mass
= 1.0f
/mass
;
2549 I
[0] = ((1.0f
/12.0f
) * mass
* (ey2
+ez2
));
2550 I
[1] = ((1.0f
/12.0f
) * mass
* (ex2
+ez2
));
2551 I
[2] = ((1.0f
/12.0f
) * mass
* (ex2
+ey2
));
2554 m3x3_identity( iI
);
2561 m3x3_mul( iI
, localplayer
.rb
.to_local
, iIw
);
2562 m3x3_mul( localplayer
.rb
.to_world
, iIw
, iIw
);
2564 for( int j
=0; j
<10; j
++ ){
2565 for( int i
=0; i
<manifold_len
; i
++ ){
2567 * regular dance; calculate velocity & total mass, apply impulse.
2570 struct contact
*ct
= &manifold
[i
];
2573 v3_sub( ct
->co
, world_cog
, delta
);
2574 v3_cross( localplayer
.rb
.w
, delta
, rv
);
2575 v3_add( localplayer
.rb
.v
, rv
, rv
);
2578 v3_cross( delta
, ct
->n
, raCn
);
2581 m3x3_mulv( iIw
, raCn
, raCnI
);
2583 float normal_mass
= 1.0f
/ (inv_mass
+ v3_dot(raCn
,raCnI
)),
2584 vn
= v3_dot( rv
, ct
->n
),
2585 lambda
= normal_mass
* ( -vn
);
2587 float temp
= ct
->norm_impulse
;
2588 ct
->norm_impulse
= vg_maxf( temp
+ lambda
, 0.0f
);
2589 lambda
= ct
->norm_impulse
- temp
;
2592 v3_muls( ct
->n
, lambda
, impulse
);
2594 v3_muladds( normal_total
, impulse
, inv_mass
, normal_total
);
2595 v3_muladds( localplayer
.rb
.v
, impulse
, inv_mass
, localplayer
.rb
.v
);
2596 v3_cross( delta
, impulse
, impulse
);
2597 m3x3_mulv( iIw
, impulse
, impulse
);
2598 v3_add( impulse
, localplayer
.rb
.w
, localplayer
.rb
.w
);
2600 v3_cross( localplayer
.rb
.w
, delta
, rv
);
2601 v3_add( localplayer
.rb
.v
, rv
, rv
);
2602 vn
= v3_dot( rv
, ct
->n
);
2607 rb_depenetrate( manifold
, manifold_len
, dt
);
2608 v3_add( dt
, localplayer
.rb
.co
, localplayer
.rb
.co
);
2609 rb_update_transform( &localplayer
.rb
);
2613 if( player_skate
.substep
>= 0.0001f
)
2614 goto begin_collision
; /* again! */
2617 * End of collision and dynamics routine
2618 * --------------------------------------------------------------------------
2621 f32 nforce
= v3_length(normal_total
);
2622 if( nforce
> 4.0f
){
2623 if( nforce
> 17.6f
){
2624 v3_muladds( localplayer
.rb
.v
, normal_total
, -1.0f
, localplayer
.rb
.v
);
2625 player__dead_transition( k_player_die_type_feet
);
2626 player__skate_kill_audio();
2630 f32 amt
= k_cam_punch
;
2631 if( localplayer
.cam_control
.camera_mode
== k_cam_firstperson
){
2635 v3_muladds( localplayer
.cam_land_punch_v
, normal_total
, amt
,
2636 localplayer
.cam_land_punch_v
);
2639 player_skate
.surface
= k_surface_prop_concrete
;
2641 for( int i
=0; i
<manifold_len
; i
++ ){
2642 rb_ct
*ct
= &manifold
[i
];
2643 struct world_surface
*surf
= world_contact_surface( world
, ct
);
2645 if( surf
->info
.surface_prop
> player_skate
.surface
)
2646 player_skate
.surface
= surf
->info
.surface_prop
;
2649 for( int i
=0; i
<k_wheel_count
; i
++ ){
2651 m3x3_copy( localplayer
.rb
.to_world
, mtx
);
2652 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, mtx
[3] );
2653 vg_line_sphere( mtx
, wheels
[i
].radius
,
2654 (u32
[]){ VG__WHITE
, VG__BLACK
,
2655 wheels
[i
].colour
}[ wheels
[i
].state
]);
2659 vg_line_point( state
->cog
, 0.02f
, VG__WHITE
);
2661 u32 id
= world_intersect_gates( world
, localplayer
.rb
.co
, state
->prev_pos
);
2664 ent_gate
*gate
= mdl_arritm( &world
->ent_gate
, mdl_entity_id_id(id
) );
2666 m4x3_mulv( gate
->transport
, localplayer
.rb
.co
, localplayer
.rb
.co
);
2667 m3x3_mulv( gate
->transport
, localplayer
.rb
.v
, localplayer
.rb
.v
);
2668 m4x3_mulv( gate
->transport
, state
->cog
, state
->cog
);
2669 m3x3_mulv( gate
->transport
, state
->cog_v
, state
->cog_v
);
2670 m3x3_mulv( gate
->transport
, state
->throw_v
, state
->throw_v
);
2671 m3x3_mulv( gate
->transport
, state
->head_position
,
2672 state
->head_position
);
2673 m3x3_mulv( gate
->transport
, state
->up_dir
, state
->up_dir
);
2675 v4f transport_rotation
;
2676 m3x3_q( gate
->transport
, transport_rotation
);
2677 q_mul( transport_rotation
, localplayer
.rb
.q
, localplayer
.rb
.q
);
2678 q_mul( transport_rotation
, state
->smoothed_rotation
,
2679 state
->smoothed_rotation
);
2680 rb_update_transform( &localplayer
.rb
);
2681 player__pass_gate( id
);
2684 /* FIXME: Rate limit */
2685 static int stick_frames
= 0;
2687 if( state
->activity
>= k_skate_activity_ground
)
2692 if( stick_frames
> 5 ) stick_frames
= 5;
2694 if( stick_frames
== 4 ){
2695 if( state
->activity
== k_skate_activity_ground
){
2696 if( (fabsf(state
->slip
) > 0.75f
) ){
2697 player__networked_sfx( k_player_subsystem_skate
, 128,
2698 k_player_skate_soundeffect_land_bad
,
2699 localplayer
.rb
.co
, 0.6f
);
2702 player__networked_sfx( k_player_subsystem_skate
, 128,
2703 k_player_skate_soundeffect_land_good
,
2704 localplayer
.rb
.co
, 1.0f
);
2707 else if( player_skate
.surface
== k_surface_prop_metal
){
2708 player__networked_sfx( k_player_subsystem_skate
, 128,
2709 k_player_skate_soundeffect_grind_metal
,
2710 localplayer
.rb
.co
, 1.0f
);
2713 player__networked_sfx( k_player_subsystem_skate
, 128,
2714 k_player_skate_soundeffect_grind_wood
,
2715 localplayer
.rb
.co
, 1.0f
);
2717 } else if( stick_frames
== 0 ){
2718 /* TODO: EXIT SOUNDS */
2721 if( (state
->activity_prev
< k_skate_activity_grind_any
) &&
2722 (state
->activity
>= k_skate_activity_grind_any
) ){
2723 state
->velocity_limit
= v3_length( localplayer
.rb
.v
)*1.0f
;
2724 state
->grind_y_start
= localplayer
.rb
.co
[1];
2727 if( state
->activity
>= k_skate_activity_grind_any
){
2728 f32 dy
= localplayer
.rb
.co
[1] - state
->grind_y_start
;
2730 state
->velocity_limit
+= -dy
*0.2f
;
2732 state
->grind_y_start
= localplayer
.rb
.co
[1];
2735 f32 speed_end
= v3_length( localplayer
.rb
.v
);
2736 if( speed_end
> state
->velocity_limit
){
2737 v3_muls( localplayer
.rb
.v
, state
->velocity_limit
/speed_end
,
2743 static void player__skate_im_gui(void){
2744 struct player_skate_state
*state
= &player_skate
.state
;
2745 player__debugtext( 1, "V: %5.2f %5.2f %5.2f",localplayer
.rb
.v
[0],
2746 localplayer
.rb
.v
[1],
2747 localplayer
.rb
.v
[2] );
2748 player__debugtext( 1, "CO: %5.2f %5.2f %5.2f",localplayer
.rb
.co
[0],
2749 localplayer
.rb
.co
[1],
2750 localplayer
.rb
.co
[2] );
2751 player__debugtext( 1, "W: %5.2f %5.2f %5.2f",localplayer
.rb
.w
[0],
2752 localplayer
.rb
.w
[1],
2753 localplayer
.rb
.w
[2] );
2755 const char *activity_txt
[] = {
2760 "undefined (INVALID)",
2761 "grind_any (INVALID)",
2763 "grind_metallic (INVALID)",
2769 player__debugtext( 1, "activity: %s", activity_txt
[state
->activity
] );
2771 player__debugtext( 1, "steer_s: %5.2f %5.2f [%.2f %.2f]",
2772 state
->steerx_s
, state
->steery_s
,
2773 k_steer_ground
, k_steer_air
);
2775 player__debugtext( 1, "flip: %.4f %.4f", state
->flip_rate
,
2777 player__debugtext( 1, "trickv: %.2f %.2f %.2f",
2778 state
->trick_vel
[0],
2779 state
->trick_vel
[1],
2780 state
->trick_vel
[2] );
2781 player__debugtext( 1, "tricke: %.2fs %.2f %.2f %.2f",
2783 state
->trick_euler
[0],
2784 state
->trick_euler
[1],
2785 state
->trick_euler
[2] );
2788 static void player__skate_animate(void){
2789 struct player_skate_state
*state
= &player_skate
.state
;
2790 struct player_skate_animator
*animator
= &player_skate
.animator
;
2793 float kheight
= 2.0f
,
2796 v3_zero( animator
->offset
);
2798 v3f cog_local
, cog_ideal
;
2799 m4x3_mulv( localplayer
.rb
.to_local
, state
->cog
, cog_local
);
2801 v3_copy( state
->up_dir
, cog_ideal
);
2802 v3_normalize( cog_ideal
);
2803 m3x3_mulv( localplayer
.rb
.to_local
, cog_ideal
, cog_ideal
);
2805 v3_sub( cog_ideal
, cog_local
, animator
->offset
);
2807 v3_muls( animator
->offset
, 4.0f
, animator
->offset
);
2808 animator
->offset
[1] *= -1.0f
;
2810 float curspeed
= v3_length( localplayer
.rb
.v
),
2811 kickspeed
= vg_clampf( curspeed
*(1.0f
/40.0f
), 0.0f
, 1.0f
),
2812 kicks
= (vg_randf64(&vg
.rand
)-0.5f
)*2.0f
*kickspeed
,
2813 sign
= vg_signf( kicks
);
2815 animator
->wobble
[0] = vg_lerpf( animator
->wobble
[0], kicks
*kicks
*sign
,
2816 6.0f
*vg
.time_delta
);
2817 animator
->wobble
[1] = vg_lerpf( animator
->wobble
[1], animator
->wobble
[0],
2818 2.4f
*vg
.time_delta
);
2820 animator
->offset
[0] *= 0.26f
;
2821 animator
->offset
[0] += animator
->wobble
[1]*3.0f
;
2823 animator
->offset
[1] *= -0.3f
;
2824 animator
->offset
[2] *= 0.01f
;
2826 animator
->offset
[0]=vg_clampf(animator
->offset
[0],-0.8f
,0.8f
)*
2827 (1.0f
-fabsf(animator
->slide
)*0.9f
);
2828 animator
->offset
[1]=vg_clampf(animator
->offset
[1],-0.5f
,0.0f
);
2831 v3_mul( animator
->offset
, (v3f
){1.0f
,0.3f
,1.0f
}, cam_offset
);
2833 /* localized vectors */
2834 m4x3_mulv( localplayer
.rb
.to_local
, state
->cog
, animator
->local_cog
);
2837 * Animation blending
2838 * ===========================================
2843 float desired
= 0.0f
;
2844 if( state
->activity
== k_skate_activity_ground
)
2845 desired
= vg_clampf( vg_maxf(fabsf( state
->slip
),
2846 fabsf( state
->skid
) ), 0.0f
, 1.0f
);
2848 animator
->slide
= vg_lerpf( animator
->slide
, desired
, 2.4f
*vg
.time_delta
);
2851 if( fabsf(state
->slip
) > fabsf(dirx
) ) dirx
= state
->slip
;
2852 if( fabsf(state
->skid
) > fabsf(dirx
) ) dirx
= state
->skid
;
2853 if( fabsf( dirx
) > 0.025f
) dirx
= vg_signf( dirx
);
2854 dirx
= vg_signf( state
->slip
);
2855 vg_slewf( &animator
->x
, dirx
, 2.6f
*vg
.time_delta
);
2858 cam_offset
[0] += animator
->slide
* -animator
->x
;
2859 v3_copy( cam_offset
, localplayer
.cam_control
.tpv_offset_extra
);
2861 /* movement information */
2862 int iair
= state
->activity
<= k_skate_activity_air_to_grind
;
2864 float dirz
= state
->reverse
> 0.0f
? 0.0f
: 1.0f
,
2865 fly
= iair
? 1.0f
: 0.0f
,
2866 wdist
= player_skate
.weight_distribution
[2] / k_board_length
;
2868 if( state
->activity
>= k_skate_activity_grind_any
)
2871 animator
->z
= vg_lerpf( animator
->z
, dirz
, 2.4f
*vg
.time_delta
);
2872 animator
->skid
= state
->skid
;
2873 animator
->fly
= vg_lerpf( animator
->fly
, fly
, 3.4f
*vg
.time_delta
);
2874 animator
->weight
= vg_lerpf( animator
->weight
, wdist
, 9.0f
*vg
.time_delta
);
2876 float stand
= 1.0f
- vg_clampf( curspeed
* 0.03f
, 0.0f
, 1.0f
);
2877 animator
->stand
= vg_lerpf( animator
->stand
, stand
, 6.0f
*vg
.time_delta
);
2878 animator
->reverse
= state
->reverse
;
2880 if( fabsf(state
->slip
) > 0.3f
){
2881 f32 slide_x
= v3_dot(localplayer
.rb
.v
, localplayer
.rb
.to_world
[0]);
2882 state
->delayed_slip_dir
= vg_signf(slide_x
);
2886 f32 grind
=state
->activity
>= k_skate_activity_grind_any
? 1.0f
: 0.0f
;
2887 animator
->grind
= vg_lerpf( animator
->grind
, grind
, 5.0f
*vg
.time_delta
);
2889 f32 grind_frame
= 0.5f
;
2891 if( state
->activity
== k_skate_activity_grind_front50
)
2893 else if( state
->activity
== k_skate_activity_grind_back50
)
2896 animator
->grind_balance
= vg_lerpf( animator
->grind_balance
, grind_frame
,
2897 5.0f
*vg
.time_delta
);
2898 animator
->activity
= state
->activity
;
2901 animator
->push_time
= vg
.time
- state
->start_push
;
2902 animator
->push
= vg_lerpf( animator
->push
,
2903 (vg
.time
- state
->cur_push
) < 0.125,
2904 6.0f
*vg
.time_delta
);
2907 animator
->jump_charge
= state
->jump_charge
;
2908 animator
->jump
= vg_lerpf( animator
->jump
, animator
->jump_charge
,
2909 8.4f
*vg
.time_delta
);
2912 animator
->jump_dir
= state
->jump_dir
;
2913 f32 jump_start_frame
= 14.0f
/30.0f
;
2914 animator
->jump_time
= animator
->jump_charge
* jump_start_frame
;
2915 f32 jump_frame
= (vg
.time
- state
->jump_time
) + jump_start_frame
;
2916 if( jump_frame
>= jump_start_frame
&& jump_frame
<= (40.0f
/30.0f
) )
2917 animator
->jump_time
= jump_frame
;
2920 float jump_t
= vg
.time
-state
->jump_time
;
2923 float extra
= h
*exp(1.0-h
) * (state
->jump_dir
?1.0f
:-1.0f
);
2924 extra
*= state
->slap
* 4.0f
;
2926 v3_add( state
->trick_euler
, state
->trick_residuald
,
2927 animator
->board_euler
);
2928 v3_muls( animator
->board_euler
, VG_TAUf
, animator
->board_euler
);
2930 animator
->board_euler
[0] *= 0.5f
;
2931 animator
->board_euler
[1] += extra
;
2932 animator
->trick_type
= state
->trick_type
;
2935 f32 lean1
, lean2
= animator
->steer
[0] * animator
->reverse
* -0.36f
,
2938 lean1
= animator
->slide
* animator
->delayed_slip_dir
;
2939 if( fabsf(lean1
)>fabsf(lean2
) ) lean
= lean1
;
2942 if( ((int)roundf(animator
->board_euler
[0]/VG_PIf
)) % 2 ) lean
= -lean
;
2943 lean
= vg_clampf( lean
, -1.0f
, 1.0f
);
2944 animator
->board_lean
=
2945 vg_lerpf(animator
->board_lean
, lean
, vg
.time_delta
*18.0f
);
2947 /* feet placement */
2948 struct player_board
*board
=
2949 addon_cache_item_if_loaded( k_addon_type_board
,
2950 localplayer
.board_view_slot
);
2952 if( animator
->weight
> 0.0f
){
2953 animator
->foot_offset
[0] =
2954 board
->truck_positions
[k_board_truck_back
][2]+0.3f
;
2957 animator
->foot_offset
[1] =
2958 board
->truck_positions
[k_board_truck_front
][2]-0.3f
;
2962 f32 slapm
= vg_maxf( 1.0f
-v3_length2( state
->trick_vel
), 0.0f
);
2963 animator
->slap
= state
->slap
;
2964 animator
->subslap
= vg_lerpf( animator
->subslap
, slapm
,
2965 vg
.time_delta
*10.0f
);
2968 f32 l
= ((state
->activity
< k_skate_activity_ground
) &&
2969 v3_length2(state
->trick_vel
) > 0.1f
)? 1: 0;
2970 animator
->trick_foot
= vg_lerpf( animator
->trick_foot
, l
,
2971 8.4f
*vg
.time_delta
);
2974 animator
->trick_foot
= vg_exp_impulse( state
->trick_time
, 5.0f
);
2978 joystick_state( k_srjoystick_grab
, grab_input
);
2979 v2_add( state
->grab_mouse_delta
, grab_input
, grab_input
);
2981 if( v2_length2( grab_input
) <= 0.001f
) grab_input
[0] = -1.0f
;
2982 else v2_normalize_clamp( grab_input
);
2983 v2_lerp( animator
->grab
, grab_input
, 2.4f
*vg
.time_delta
, animator
->grab
);
2984 animator
->grabbing
= state
->grabbing
;
2988 joystick_state( k_srjoystick_steer
, steer
);
2989 animator
->airdir
= vg_lerpf( animator
->airdir
,
2990 -steer
[0], 2.4f
*vg
.time_delta
);
2992 animator
->steer
[0] = steer
[0];
2993 animator
->steer
[1] = vg_lerpf( animator
->steer
[1],
2994 steer
[0], 4.0f
*vg
.time_delta
);
2998 if( (state
->activity
<= k_skate_activity_air_to_grind
) &&
2999 (fabsf(state
->flip_rate
) > 0.01f
) ){
3000 float substep
= vg
.time_fixed_extrapolate
;
3001 float t
= state
->flip_time
+state
->flip_rate
*substep
*k_rb_delta
;
3002 sign
= vg_signf( t
);
3004 t
= 1.0f
- vg_minf( 1.0f
, fabsf( t
* 1.1f
) );
3005 t
= sign
* (1.0f
-t
*t
);
3007 f32 angle
= vg_clampf( t
, -1.0f
, 1.0f
) * VG_TAUf
,
3008 distm
= state
->land_dist
* fabsf(state
->flip_rate
) * 3.0f
,
3009 blend
= vg_clampf( 1.0f
-distm
, 0.0f
, 1.0f
);
3010 angle
= vg_lerpf( angle
, vg_signf(state
->flip_rate
)*VG_TAUf
, blend
);
3011 q_axis_angle( animator
->qflip
, state
->flip_axis
, angle
);
3014 q_identity( animator
->qflip
);
3016 /* counter-rotation */
3017 if( v3_length2( state
->up_dir
) > 0.001f
){
3018 v4_lerp( state
->smoothed_rotation
, localplayer
.rb
.q
,
3019 2.0f
*vg
.time_frame_delta
,
3020 state
->smoothed_rotation
);
3021 q_normalize( state
->smoothed_rotation
);
3023 v3f yaw_smooth
= {1.0f
,0.0f
,0.0f
};
3024 q_mulv( state
->smoothed_rotation
, yaw_smooth
, yaw_smooth
);
3025 m3x3_mulv( localplayer
.rb
.to_local
, yaw_smooth
, yaw_smooth
);
3026 yaw_smooth
[1] = 0.0f
;
3027 v3_normalize( yaw_smooth
);
3029 f32 yaw_counter_rotate
= yaw_smooth
[0];
3030 yaw_counter_rotate
= vg_maxf( 0.7f
, yaw_counter_rotate
);
3031 yaw_counter_rotate
= acosf( yaw_counter_rotate
);
3032 yaw_counter_rotate
*= 1.0f
-animator
->fly
;
3035 m3x3_mulv( localplayer
.rb
.to_local
, state
->up_dir
, ndir
);
3036 v3_normalize( ndir
);
3038 v3f up
= { 0.0f
, 1.0f
, 0.0f
};
3039 float a
= v3_dot( ndir
, up
);
3040 a
= acosf( vg_clampf( a
, -1.0f
, 1.0f
) );
3043 v4f qcounteryaw
, qfixup
;
3045 v3_cross( up
, ndir
, axis
);
3046 q_axis_angle( qfixup
, axis
, a
*2.0f
);
3048 v3_cross( (v3f
){1.0f
,0.0f
,0.0f
}, yaw_smooth
, axis
);
3049 q_axis_angle( qcounteryaw
, axis
, yaw_counter_rotate
);
3051 q_mul( qcounteryaw
, qfixup
, animator
->qfixuptotal
);
3052 q_normalize( animator
->qfixuptotal
);
3055 m3x3_mulv( localplayer
.rb
.to_world
, up
, p1
);
3056 m3x3_mulv( localplayer
.rb
.to_world
, ndir
, p2
);
3058 vg_line_arrow( localplayer
.rb
.co
, p1
, 0.5f
, VG__PINK
);
3059 vg_line_arrow( localplayer
.rb
.co
, p2
, 0.5f
, VG__PINK
);
3061 else q_identity( animator
->qfixuptotal
);
3063 if( state
->activity
== k_skate_activity_handplant
){
3064 v3_copy( state
->store_co
, animator
->root_co
);
3065 v4_copy( state
->store_q
, animator
->root_q
);
3066 v3_zero( animator
->root_v
);
3069 rb_extrapolate( &localplayer
.rb
, animator
->root_co
, animator
->root_q
);
3070 v3_copy( localplayer
.rb
.v
, animator
->root_v
);
3073 animator
->handplant_t
= state
->handplant_t
;
3076 static void player__skate_pose( void *_animator
, player_pose
*pose
){
3077 struct skeleton
*sk
= &localplayer
.skeleton
;
3078 struct player_skate_animator
*animator
= _animator
;
3080 pose
->type
= k_player_pose_type_ik
;
3081 v3_copy( animator
->root_co
, pose
->root_co
);
3082 v4_copy( animator
->root_q
, pose
->root_q
);
3086 q_mulv( pose
->root_q
, (v3f
){0.0f
,1.0f
,0.0f
}, ext_up
);
3087 v3_copy( pose
->root_co
, ext_co
);
3088 v3_muladds( pose
->root_co
, ext_up
, -0.1f
, pose
->root_co
);
3090 /* apply flip rotation at midpoint */
3091 q_mul( animator
->qflip
, pose
->root_q
, pose
->root_q
);
3092 q_normalize( pose
->root_q
);
3094 v3f rotation_point
, rco
;
3095 v3_muladds( ext_co
, ext_up
, 0.5f
, rotation_point
);
3096 v3_sub( pose
->root_co
, rotation_point
, rco
);
3098 q_mulv( animator
->qflip
, rco
, rco
);
3099 v3_add( rco
, rotation_point
, pose
->root_co
);
3102 * ---------------------------------------------------------------------- */
3104 mdl_keyframe apose
[32], bpose
[32];
3105 mdl_keyframe ground_pose
[32];
3108 f32 dir_frame
= animator
->z
* (15.0f
/30.0f
),
3109 stand_blend
= animator
->offset
[1]*-2.0f
;
3111 pose
->board
.lean
= animator
->board_lean
;
3113 stand_blend
= vg_clampf( 1.0f
-animator
->local_cog
[1], 0, 1 );
3115 skeleton_sample_anim( sk
, player_skate
.anim_stand
, dir_frame
, apose
);
3116 skeleton_sample_anim( sk
, player_skate
.anim_highg
, dir_frame
, bpose
);
3117 skeleton_lerp_pose( sk
, apose
, bpose
, stand_blend
, apose
);
3120 f32 slide_frame
= animator
->x
* 0.25f
+ 0.25f
;
3121 skeleton_sample_anim( sk
, player_skate
.anim_slide
, slide_frame
, bpose
);
3123 mdl_keyframe mirrored
[32];
3124 player_mirror_pose( bpose
, mirrored
);
3125 skeleton_lerp_pose( sk
, bpose
, mirrored
, animator
->z
, bpose
);
3126 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->slide
, apose
);
3128 if( animator
->reverse
> 0.0f
){
3129 skeleton_sample_anim( sk
, player_skate
.anim_push
, animator
->push_time
,
3133 skeleton_sample_anim( sk
, player_skate
.anim_push_reverse
,
3134 animator
->push_time
, bpose
);
3136 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->push
, apose
);
3138 struct skeleton_anim
*jump_anim
= animator
->jump_dir
?
3139 player_skate
.anim_ollie
:
3140 player_skate
.anim_ollie_reverse
;
3142 f32 setup_blend
= vg_minf( animator
->jump
, 1.0f
);
3143 skeleton_sample_anim_clamped( sk
, jump_anim
, animator
->jump_time
, bpose
);
3144 skeleton_lerp_pose( sk
, apose
, bpose
, setup_blend
, ground_pose
);
3147 mdl_keyframe air_pose
[32];
3149 float air_frame
= (animator
->airdir
*0.5f
+0.5f
) * (15.0f
/30.0f
);
3150 skeleton_sample_anim( sk
, player_skate
.anim_air
, air_frame
, apose
);
3152 float ang
= atan2f( animator
->grab
[0], animator
->grab
[1] ),
3153 ang_unit
= (ang
+VG_PIf
) * (1.0f
/VG_TAUf
),
3154 grab_frame
= ang_unit
* (15.0f
/30.0f
);
3156 skeleton_sample_anim( sk
, player_skate
.anim_grabs
, grab_frame
, bpose
);
3157 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->grabbing
, air_pose
);
3160 skeleton_lerp_pose( sk
, ground_pose
, air_pose
, animator
->fly
,
3163 mdl_keyframe
*kf_board
= &pose
->keyframes
[localplayer
.id_board
-1],
3164 *kf_foot_l
= &pose
->keyframes
[localplayer
.id_ik_foot_l
-1],
3165 *kf_foot_r
= &pose
->keyframes
[localplayer
.id_ik_foot_r
-1],
3166 *kf_knee_l
= &pose
->keyframes
[localplayer
.id_ik_knee_l
-1],
3167 *kf_knee_r
= &pose
->keyframes
[localplayer
.id_ik_knee_r
-1],
3168 *kf_hip
= &pose
->keyframes
[localplayer
.id_hip
-1],
3169 *kf_wheels
[] = { &pose
->keyframes
[localplayer
.id_wheel_r
-1],
3170 &pose
->keyframes
[localplayer
.id_wheel_l
-1] };
3173 mdl_keyframe grind_pose
[32];
3175 f32 frame
= animator
->grind_balance
* 0.5f
;
3177 skeleton_sample_anim( sk
, player_skate
.anim_grind
, frame
, apose
);
3178 skeleton_sample_anim( sk
, player_skate
.anim_grind_jump
, frame
, bpose
);
3179 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->jump
, grind_pose
);
3181 skeleton_lerp_pose( sk
, pose
->keyframes
, grind_pose
,
3182 animator
->grind
, pose
->keyframes
);
3183 float add_grab_mod
= 1.0f
- animator
->fly
;
3185 /* additive effects */
3186 u32 apply_to
[] = { localplayer
.id_hip
,
3187 localplayer
.id_ik_hand_l
,
3188 localplayer
.id_ik_hand_r
,
3189 localplayer
.id_ik_elbow_l
,
3190 localplayer
.id_ik_elbow_r
};
3192 float apply_rates
[] = { 1.0f
,
3198 for( int i
=0; i
<vg_list_size(apply_to
); i
++ ){
3199 pose
->keyframes
[apply_to
[i
]-1].co
[0] += animator
->offset
[0]*add_grab_mod
;
3200 pose
->keyframes
[apply_to
[i
]-1].co
[2] += animator
->offset
[2]*add_grab_mod
;
3204 /* angle 'correction' */
3206 v3_add( sk
->bones
[localplayer
.id_hip
].co
, kf_hip
->co
, origin
);
3208 for( int i
=0; i
<vg_list_size(apply_to
); i
++ ){
3209 mdl_keyframe
*kf
= &pose
->keyframes
[apply_to
[i
]-1];
3210 keyframe_rotate_around( kf
, origin
, sk
->bones
[apply_to
[i
]].co
,
3211 animator
->qfixuptotal
);
3216 if( animator
->activity
== k_skate_activity_handplant
){
3217 struct skeleton_anim
*anim
= player_skate
.anim_handplant
;
3219 mdl_keyframe hpose
[32];
3220 skeleton_sample_anim_clamped( sk
, anim
, animator
->handplant_t
, hpose
);
3221 if( animator
->reverse
< 0.0f
)
3222 player_mirror_pose( hpose
, hpose
);
3224 mdl_keyframe
*kf_world
= &hpose
[ localplayer
.id_world
-1 ];
3225 m4x3f world
, mmdl
, world_view
;
3226 q_m3x3( kf_world
->q
, world
);
3227 v3_copy( kf_world
->co
, world
[3] );
3229 q_m3x3( pose
->root_q
, mmdl
);
3230 v3_copy( pose
->root_co
, mmdl
[3] );
3232 m4x3_mul( mmdl
, world
, world_view
);
3234 vg_line_arrow( world_view
[3], world_view
[0], 1.0f
, 0xff0000ff );
3235 vg_line_arrow( world_view
[3], world_view
[1], 1.0f
, 0xff00ff00 );
3236 vg_line_arrow( world_view
[3], world_view
[2], 1.0f
, 0xffff0000 );
3239 m4x3_invert_affine( world
, invworld
);
3240 m4x3_mul( mmdl
, invworld
, world_view
);
3242 m3x3_q( world_view
, pose
->root_q
);
3243 v3_copy( world_view
[3], pose
->root_co
);
3245 f32 t
= animator
->handplant_t
,
3246 frames
= anim
->length
-1,
3247 length
= animator
->activity
== k_skate_activity_handplant
?
3248 frames
/ anim
->rate
:
3250 end_dist
= vg_minf( t
, length
- t
)/k_anim_transition
,
3251 blend
= vg_smoothstepf( vg_minf(1,end_dist
) );
3253 skeleton_lerp_pose( sk
, pose
->keyframes
, hpose
, blend
, pose
->keyframes
);
3257 /* trick rotation */
3258 v4f qtrick
, qyaw
, qpitch
, qroll
;
3259 q_axis_angle( qyaw
, (v3f
){0.0f
,1.0f
,0.0f
}, animator
->board_euler
[0] );
3260 q_axis_angle( qpitch
, (v3f
){1.0f
,0.0f
,0.0f
}, animator
->board_euler
[1] );
3261 q_axis_angle( qroll
, (v3f
){0.0f
,0.0f
,1.0f
}, animator
->board_euler
[2] );
3263 q_mul( qyaw
, qroll
, qtrick
);
3264 q_mul( qpitch
, qtrick
, qtrick
);
3265 q_mul( kf_board
->q
, qtrick
, kf_board
->q
);
3266 q_normalize( kf_board
->q
);
3268 kf_foot_l
->co
[2] = vg_lerpf( kf_foot_l
->co
[2], animator
->foot_offset
[0],
3269 0.5f
* animator
->weight
);
3270 kf_foot_r
->co
[2] = vg_lerpf( kf_foot_r
->co
[2], animator
->foot_offset
[1],
3271 -0.5f
* animator
->weight
);
3273 kf_foot_l
->co
[1] += animator
->slap
;
3274 kf_foot_r
->co
[1] += animator
->slap
;
3275 kf_knee_l
->co
[1] += animator
->slap
;
3276 kf_knee_r
->co
[1] += animator
->slap
;
3277 kf_board
->co
[1] += animator
->slap
* animator
->subslap
;
3278 kf_hip
->co
[1] += animator
->slap
* 0.25f
;
3280 /* kickflip and shuvit are in the wrong order for some reason */
3281 if( animator
->trick_type
== k_trick_type_kickflip
){
3282 kf_foot_l
->co
[0] += animator
->trick_foot
* 0.15f
;
3283 kf_foot_r
->co
[0] -= animator
->trick_foot
* 0.15f
;
3284 kf_foot_l
->co
[1] -= animator
->trick_foot
* 0.18f
;
3285 kf_foot_r
->co
[1] -= animator
->trick_foot
* 0.18f
;
3287 else if( animator
->trick_type
== k_trick_type_shuvit
){
3288 kf_foot_l
->co
[0] += animator
->trick_foot
* 0.2f
;
3289 kf_foot_l
->co
[1] -= animator
->trick_foot
* 0.18f
;
3290 kf_foot_r
->co
[0] -= animator
->trick_foot
* 0.1f
;
3291 kf_foot_r
->co
[1] += animator
->trick_foot
* 0.09f
;
3293 else if( animator
->trick_type
== k_trick_type_treflip
){
3294 kf_foot_l
->co
[0] += animator
->trick_foot
* 0.2f
;
3295 kf_foot_r
->co
[0] -= animator
->trick_foot
* 0.15f
;
3296 kf_foot_l
->co
[1] -= animator
->trick_foot
* 0.18f
;
3297 kf_foot_r
->co
[1] -= animator
->trick_foot
* 0.18f
;
3301 * animation wishlist:
3302 * boardslide/grind jump animations
3303 * when tricking the slap should not appply or less apply
3304 * not animations however DONT target grinds that are vertically down.
3307 /* truck rotation */
3308 for( int i
=0; i
<2; i
++ ){
3309 float a
= vg_minf( player_skate
.truckv0
[i
][0], 1.0f
);
3310 a
= -acosf( a
) * vg_signf( player_skate
.truckv0
[i
][1] );
3313 q_axis_angle( q
, (v3f
){0.0f
,0.0f
,1.0f
}, a
);
3314 q_mul( q
, kf_wheels
[i
]->q
, kf_wheels
[i
]->q
);
3315 q_normalize( kf_wheels
[i
]->q
);
3321 *kf_head
= &pose
->keyframes
[localplayer
.id_head
-1],
3322 *kf_elbow_l
= &pose
->keyframes
[localplayer
.id_ik_elbow_l
-1],
3323 *kf_elbow_r
= &pose
->keyframes
[localplayer
.id_ik_elbow_r
-1],
3324 *kf_hand_l
= &pose
->keyframes
[localplayer
.id_ik_hand_l
-1],
3325 *kf_hand_r
= &pose
->keyframes
[localplayer
.id_ik_hand_r
-1],
3326 *kf_hip
= &pose
->keyframes
[localplayer
.id_hip
-1];
3328 float warble
= perlin1d( vg
.time
, 2.0f
, 2, 300 );
3329 warble
*= vg_maxf(animator
->grind
, fabsf(animator
->weight
)) * 0.3f
;
3332 q_axis_angle( qrot
, (v3f
){0.8f
,0.7f
,0.6f
}, warble
);
3334 v3f origin
= {0.0f
,0.2f
,0.0f
};
3335 keyframe_rotate_around( kf_hand_l
, origin
,
3336 sk
->bones
[localplayer
.id_ik_hand_l
].co
, qrot
);
3337 keyframe_rotate_around( kf_hand_r
, origin
,
3338 sk
->bones
[localplayer
.id_ik_hand_r
].co
, qrot
);
3339 keyframe_rotate_around( kf_hip
, origin
,
3340 sk
->bones
[localplayer
.id_hip
].co
, qrot
);
3341 keyframe_rotate_around( kf_elbow_r
, origin
,
3342 sk
->bones
[localplayer
.id_ik_elbow_r
].co
, qrot
);
3343 keyframe_rotate_around( kf_elbow_l
, origin
,
3344 sk
->bones
[localplayer
.id_ik_elbow_l
].co
, qrot
);
3346 q_inv( qrot
, qrot
);
3347 q_mul( qrot
, kf_head
->q
, kf_head
->q
);
3348 q_normalize( kf_head
->q
);
3351 /* hand placement */
3353 u32 hand_id
= animator
->z
< 0.5f
?
3354 localplayer
.id_ik_hand_l
: localplayer
.id_ik_hand_r
;
3358 q_m3x3( pose
->root_q
, mmdl
);
3359 q_mulv( pose
->root_q
, pose
->keyframes
[hand_id
-1].co
, mmdl
[3] );
3360 v3_add( mmdl
[3], pose
->root_co
, mmdl
[3] );
3361 m4x3_mulv( mmdl
, sk
->bones
[hand_id
].co
, sample_co
);
3363 v3_muladds( sample_co
, mmdl
[1], 0.3f
, sample_co
);
3364 vg_line_point( sample_co
, 0.04f
, 0xff0000ff );
3367 v3_muls( mmdl
[1], -1.0f
, dir
);
3368 ray_hit hit
= { .dist
= 1.5f
};
3369 if(ray_world( world_current_instance(), sample_co
, dir
, &hit
, 0 )){
3370 vg_line_cross( hit
.pos
, 0xff0000ff, 0.05f
);
3371 vg_line( sample_co
, hit
.pos
, 0xffffffff );
3373 f32 amt
= vg_maxf( 0.0f
, animator
->slide
-0.5f
) *
3374 2.0f
* fabsf(animator
->z
*2.0f
-1.0f
);
3376 f32 d
= (hit
.dist
- 0.3f
) * amt
;
3377 pose
->keyframes
[hand_id
-1].co
[1] -= d
;
3378 kf_hip
->co
[1] -= d
*0.4f
;
3382 f32 amt
= vg_maxf(0.0f
, (animator
->slide
- 0.5f
) * 2.0f
);
3383 u8 skidders
[] = { localplayer
.id_ik_foot_l
,
3384 localplayer
.id_ik_foot_r
,
3385 localplayer
.id_board
};
3387 q_axis_angle( qskid
, (v3f
){0,1,0}, -animator
->steer
[1]*0.2f
);
3389 for( u32 i
=0; i
<vg_list_size(skidders
); i
++ ){
3390 mdl_keyframe
*kf
= &pose
->keyframes
[ skidders
[i
]-1 ];
3391 keyframe_rotate_around( kf
,
3392 (v3f
){0,0,0.4f
*(animator
->z
*2.0f
-1.0f
)*amt
},
3393 sk
->bones
[skidders
[i
]].co
, qskid
);
3399 static void player__skate_effects( void *_animator
, m4x3f
*final_mtx
,
3400 struct player_board
*board
,
3401 struct player_effects_data
*effect_data
){
3403 struct skeleton
*sk
= &localplayer
.skeleton
;
3404 struct player_skate_animator
*animator
= _animator
;
3406 if( animator
->grind
> 0.5f
){
3409 v3_copy((v3f
){0.0f
,0.02f
, board
->truck_positions
[0][2]}, vp1
);
3410 v3_copy((v3f
){0.0f
,0.02f
, board
->truck_positions
[1][2]}, vp0
);
3417 v3f
*board_mtx
= final_mtx
[ localplayer
.id_board
];
3418 m4x3_mulv( board_mtx
, vp0
, vp0
);
3419 m4x3_mulv( board_mtx
, vp1
, vp1
);
3420 v3_add( vp0
, vp1
, vpc
);
3421 v3_muls( vpc
, 0.5f
, vpc
);
3423 int back
= 0, front
= 0, mid
= 0;
3425 if( animator
->activity
== k_skate_activity_grind_5050
){
3429 else if( animator
->activity
== k_skate_activity_grind_back50
){
3432 else if( animator
->activity
== k_skate_activity_grind_front50
){
3435 else if( animator
->activity
== k_skate_activity_grind_boardslide
){
3440 effect_spark_apply( &effect_data
->spark
, vp0
,
3441 animator
->root_v
, vg
.time_delta
);
3445 effect_spark_apply( &effect_data
->spark
, vp1
,
3446 animator
->root_v
, vg
.time_delta
);
3450 effect_spark_apply( &effect_data
->spark
, vpc
,
3451 animator
->root_v
, vg
.time_delta
);
3456 static void player__skate_post_animate(void){
3457 struct player_skate_state
*state
= &player_skate
.state
;
3458 localplayer
.cam_velocity_influence
= 1.0f
;
3460 v3f head
= { 0.0f
, 1.8f
, 0.0f
};
3461 m4x3_mulv( localplayer
.final_mtx
[ localplayer
.id_head
],
3462 head
, state
->head_position
);
3463 m4x3_mulv( localplayer
.rb
.to_local
,
3464 state
->head_position
, state
->head_position
);
3467 static void player__skate_reset_animator(void){
3468 struct player_skate_state
*state
= &player_skate
.state
;
3470 memset( &player_skate
.animator
, 0, sizeof(player_skate
.animator
) );
3472 if( state
->activity
<= k_skate_activity_air_to_grind
)
3473 player_skate
.animator
.fly
= 1.0f
;
3475 player_skate
.animator
.fly
= 0.0f
;
3478 static void player__skate_clear_mechanics(void){
3479 struct player_skate_state
*state
= &player_skate
.state
;
3480 state
->jump_charge
= 0.0f
;
3481 state
->charging_jump
= 0;
3482 state
->jump_dir
= 0;
3483 v3_zero( state
->flip_axis
);
3484 state
->flip_time
= 0.0f
;
3485 state
->flip_rate
= 0.0f
;
3486 state
->reverse
= 0.0f
;
3488 state
->grabbing
= 0.0f
;
3489 v2_zero( state
->grab_mouse_delta
);
3491 state
->jump_time
= 0.0;
3492 state
->start_push
= 0.0;
3493 state
->cur_push
= 0.0;
3494 state
->air_start
= 0.0;
3496 v3_zero( state
->air_init_v
);
3497 v3_zero( state
->air_init_co
);
3499 state
->gravity_bias
= k_gravity
;
3500 v3_copy( localplayer
.rb
.co
, state
->prev_pos
);
3501 v4_copy( localplayer
.rb
.q
, state
->smoothed_rotation
);
3502 v3_zero( state
->throw_v
);
3503 v3_zero( state
->trick_vel
);
3504 v3_zero( state
->trick_euler
);
3505 v3_zero( state
->cog_v
);
3506 state
->grind_cooldown
= 0;
3507 state
->surface_cooldown
= 0;
3508 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1], 1.0f
, state
->cog
);
3509 v3_copy( localplayer
.rb
.to_world
[1], state
->up_dir
);
3510 v3_copy( localplayer
.rb
.to_world
[1], player_skate
.surface_picture
);
3511 v3_copy( localplayer
.rb
.co
, state
->prev_pos
);
3512 v3_zero( player_skate
.weight_distribution
);
3515 #include "network_compression.h"
3517 static void player__skate_animator_exchange( bitpack_ctx
*ctx
, void *data
){
3518 struct player_skate_animator
*animator
= data
;
3520 bitpack_qv3f( ctx
, 24, -1024.0f
, 1024.0f
, animator
->root_co
);
3521 bitpack_qquat( ctx
, animator
->root_q
);
3523 bitpack_qv3f( ctx
, 8, -1.0f
, 1.0f
, animator
->offset
);
3524 bitpack_qv3f( ctx
, 8, -1.0f
, 1.0f
, animator
->local_cog
);
3525 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->slide
);
3526 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->z
);
3527 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->x
);
3529 /* these could likely be pressed down into single bits if needed */
3530 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->fly
);
3531 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->grind
);
3532 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->stand
);
3533 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->push
);
3534 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->jump
); /*??*/
3535 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->jump_charge
); /*??*/
3537 /* just the sign bit? */
3538 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->reverse
);
3539 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->delayed_slip_dir
);
3540 bitpack_bytes( ctx
, 1, &animator
->jump_dir
);
3541 bitpack_bytes( ctx
, 1, &animator
->trick_type
);
3543 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->grind_balance
);
3544 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->airdir
);
3545 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->weight
);
3546 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->trick_foot
);
3547 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->slap
);
3548 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->subslap
);
3549 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->grabbing
);
3551 /* animator->wobble is ommited */
3553 bitpack_qv2f( ctx
, 8, -1.0f
, 1.0f
, animator
->foot_offset
);
3554 bitpack_qquat( ctx
, animator
->qfixuptotal
);
3555 bitpack_qquat( ctx
, animator
->qflip
);
3557 bitpack_qv3f( ctx
, 16, -100.0f
, 100.0f
, animator
->board_euler
);
3558 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->board_lean
);
3559 bitpack_qv2f( ctx
, 8, -1.0f
, 1.0f
, animator
->steer
);
3560 bitpack_qv2f( ctx
, 8, -1.0f
, 1.0f
, animator
->grab
);
3562 bitpack_qf32( ctx
, 16, 0.0f
, 120.0f
, &animator
->push_time
);
3563 bitpack_qf32( ctx
, 16, 0.0f
, 120.0f
, &animator
->jump_time
);
3564 bitpack_qf32( ctx
, 16, 0.0f
, 4.0f
, &animator
->handplant_t
);
3565 bitpack_qv3f( ctx
, 16, -100.0f
, 100.0f
, animator
->root_v
);
3566 bitpack_bytes( ctx
, 1, &animator
->activity
);
3569 static void player__skate_sfx_oneshot( u8 id
, v3f pos
, f32 volume
){
3572 if( id
== k_player_skate_soundeffect_jump
){
3573 audio_oneshot_3d( &audio_jumps
[vg_randu32(&vg
.rand
)%2],
3574 pos
, 40.0f
, volume
);
3576 else if( id
== k_player_skate_soundeffect_tap
){
3577 audio_oneshot_3d( &audio_taps
[vg_randu32(&vg
.rand
)%4],
3578 pos
, 40.0f
, volume
);
3580 else if( id
== k_player_skate_soundeffect_land_good
){
3581 audio_oneshot_3d( &audio_lands
[vg_randu32(&vg
.rand
)%3],
3582 pos
, 40.0f
, volume
);
3584 else if( id
== k_player_skate_soundeffect_land_bad
){
3585 audio_oneshot_3d( &audio_lands
[vg_randu32(&vg
.rand
)%2+3],
3586 pos
, 40.0f
, volume
);
3588 else if( id
== k_player_skate_soundeffect_grind_metal
){
3589 audio_oneshot_3d( &audio_board
[3], pos
, 40.0f
, volume
);
3591 else if( id
== k_player_skate_soundeffect_grind_wood
){
3592 audio_oneshot_3d( &audio_board
[8], pos
, 40.0f
, volume
);
3598 #endif /* PLAYER_SKATE_C */