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" }
30 for( u32 i
=0; i
<vg_list_size(bindings
); i
++ )
31 *bindings
[i
].anim
= skeleton_get_anim( sk
, bindings
[i
].name
);
34 static void player__skate_kill_audio(void){
36 if( player_skate
.aud_main
){
37 player_skate
.aud_main
=
38 audio_channel_fadeout( player_skate
.aud_main
, 0.1f
);
40 if( player_skate
.aud_air
){
41 player_skate
.aud_air
=
42 audio_channel_fadeout( player_skate
.aud_air
, 0.1f
);
44 if( player_skate
.aud_slide
){
45 player_skate
.aud_slide
=
46 audio_channel_fadeout( player_skate
.aud_slide
, 0.1f
);
52 * Collision detection routines
58 * Does collision detection on a sphere vs world, and applies some smoothing
59 * filters to the manifold afterwards
61 static int skate_collide_smooth( m4x3f mtx
, rb_sphere
*sphere
, rb_ct
*man
){
62 world_instance
*world
= world_current_instance();
65 len
= rb_sphere__scene( mtx
, sphere
, NULL
, &world
->rb_geo
.inf
.scene
, man
,
66 k_material_flag_walking
);
68 for( int i
=0; i
<len
; i
++ ){
69 man
[i
].rba
= &localplayer
.rb
;
73 rb_manifold_filter_coplanar( man
, len
, 0.03f
);
76 rb_manifold_filter_backface( man
, len
);
77 rb_manifold_filter_joint_edges( man
, len
, 0.03f
);
78 rb_manifold_filter_pairs( man
, len
, 0.03f
);
80 int new_len
= rb_manifold_apply_filtered( man
, len
);
94 static int skate_grind_scansq( v3f pos
, v3f dir
, float r
,
95 struct grind_info
*inf
){
96 world_instance
*world
= world_current_instance();
99 v3_copy( dir
, plane
);
100 v3_normalize( plane
);
101 plane
[3] = v3_dot( plane
, pos
);
104 v3_add( pos
, (v3f
){ r
, r
, r
}, box
[1] );
105 v3_sub( pos
, (v3f
){ r
, r
, r
}, box
[0] );
114 int sample_count
= 0;
120 v3_cross( plane
, (v3f
){0,1,0}, support_axis
);
121 v3_normalize( support_axis
);
124 bh_iter_init_box( 0, &it
, box
);
127 while( bh_next( world
->geo_bh
, &it
, &idx
) ){
128 u32
*ptri
= &world
->scene_geo
.arrindices
[ idx
*3 ];
131 struct world_surface
*surf
= world_tri_index_surface(world
,ptri
[0]);
132 if( !(surf
->info
.flags
& k_material_flag_grindable
) )
135 for( int j
=0; j
<3; j
++ )
136 v3_copy( world
->scene_geo
.arrvertices
[ptri
[j
]].co
, tri
[j
] );
138 for( int j
=0; j
<3; j
++ ){
142 struct grind_sample
*sample
= &samples
[ sample_count
];
145 if( plane_segment( plane
, tri
[i0
], tri
[i1
], co
) ){
147 v3_sub( co
, pos
, d
);
148 if( v3_length2( d
) > r
*r
)
152 v3_sub( tri
[1], tri
[0], va
);
153 v3_sub( tri
[2], tri
[0], vb
);
154 v3_cross( va
, vb
, normal
);
156 sample
->normal
[0] = v3_dot( support_axis
, normal
);
157 sample
->normal
[1] = normal
[1];
158 sample
->co
[0] = v3_dot( support_axis
, d
);
159 sample
->co
[1] = d
[1];
161 v3_copy( normal
, sample
->normal3
); /* normalize later
162 if we want to us it */
164 v3_muls( tri
[0], 1.0f
/3.0f
, sample
->centroid
);
165 v3_muladds( sample
->centroid
, tri
[1], 1.0f
/3.0f
, sample
->centroid
);
166 v3_muladds( sample
->centroid
, tri
[2], 1.0f
/3.0f
, sample
->centroid
);
168 v2_normalize( sample
->normal
);
171 if( sample_count
== vg_list_size( samples
) )
172 goto too_many_samples
;
179 if( sample_count
< 2 )
182 v3f average_direction
,
186 v2_fill( min_co
, INFINITY
);
187 v2_fill( max_co
, -INFINITY
);
189 v3_zero( average_direction
);
190 v3_zero( average_normal
);
192 int passed_samples
= 0;
194 for( int i
=0; i
<sample_count
-1; i
++ ){
195 struct grind_sample
*si
, *sj
;
199 for( int j
=i
+1; j
<sample_count
; j
++ ){
205 /* non overlapping */
206 if( v2_dist2( si
->co
, sj
->co
) >= (0.01f
*0.01f
) )
209 /* not sharp angle */
210 if( v2_dot( si
->normal
, sj
->normal
) >= 0.7f
)
215 v3_sub( sj
->centroid
, si
->centroid
, v0
);
216 if( v3_dot( v0
, si
->normal3
) >= 0.0f
||
217 v3_dot( v0
, sj
->normal3
) <= 0.0f
)
220 v2_minv( sj
->co
, min_co
, min_co
);
221 v2_maxv( sj
->co
, max_co
, max_co
);
224 v3_copy( si
->normal3
, n0
);
225 v3_copy( sj
->normal3
, n1
);
226 v3_cross( n0
, n1
, dir
);
228 if( v3_length2( dir
) <= 0.000001f
)
233 /* make sure the directions all face a common hemisphere */
234 v3_muls( dir
, vg_signf(v3_dot(dir
,plane
)), dir
);
235 v3_add( average_direction
, dir
, average_direction
);
237 float yi
= si
->normal3
[1],
240 if( yi
> yj
) v3_add( si
->normal3
, average_normal
, average_normal
);
241 else v3_add( sj
->normal3
, average_normal
, average_normal
);
247 if( !passed_samples
)
250 if( (v3_length2( average_direction
) <= 0.001f
) ||
251 (v3_length2( average_normal
) <= 0.001f
) )
254 float div
= 1.0f
/(float)passed_samples
;
255 v3_normalize( average_direction
);
256 v3_normalize( average_normal
);
259 v2_add( min_co
, max_co
, average_coord
);
260 v2_muls( average_coord
, 0.5f
, average_coord
);
262 v3_muls( support_axis
, average_coord
[0], inf
->co
);
263 inf
->co
[1] += average_coord
[1];
264 v3_add( pos
, inf
->co
, inf
->co
);
265 v3_copy( average_normal
, inf
->n
);
266 v3_copy( average_direction
, inf
->dir
);
268 vg_line_point( inf
->co
, 0.02f
, VG__GREEN
);
269 vg_line_arrow( inf
->co
, average_direction
, 0.3f
, VG__GREEN
);
270 vg_line_arrow( inf
->co
, inf
->n
, 0.2f
, VG__CYAN
);
272 return passed_samples
;
275 static void reset_jump_info( jump_info
*inf
){
277 inf
->land_dist
= 0.0f
;
279 inf
->type
= k_prediction_unset
;
280 v3_zero( inf
->apex
);
283 static int create_jumps_to_hit_target( jump_info
*jumps
,
284 v3f target
, float max_angle_delta
,
286 /* calculate the exact 2 solutions to jump onto that grind spot */
289 v3_sub( target
, localplayer
.rb
.co
, v0
);
296 v2f d
= { v3_dot( ax
, v0
), v0
[1] },
297 v
= { v3_dot( ax
, localplayer
.rb
.v
), localplayer
.rb
.v
[1] };
299 float a
= atan2f( v
[1], v
[0] ),
301 root
= m
*m
*m
*m
- gravity
*(gravity
*d
[0]*d
[0] + 2.0f
*d
[1]*m
*m
);
306 root
= sqrtf( root
);
307 float a0
= atanf( (m
*m
+ root
) / (gravity
* d
[0]) ),
308 a1
= atanf( (m
*m
- root
) / (gravity
* d
[0]) );
310 if( fabsf(a0
-a
) < max_angle_delta
){
311 jump_info
*inf
= &jumps
[ valid_count
++ ];
312 reset_jump_info( inf
);
314 v3_muls( ax
, cosf( a0
) * m
, inf
->v
);
315 inf
->v
[1] += sinf( a0
) * m
;
316 inf
->land_dist
= d
[0] / (cosf(a0
)*m
);
317 inf
->gravity
= gravity
;
319 v3_copy( target
, inf
->log
[inf
->log_length
++] );
322 if( fabsf(a1
-a
) < max_angle_delta
){
323 jump_info
*inf
= &jumps
[ valid_count
++ ];
324 reset_jump_info( inf
);
326 v3_muls( ax
, cosf( a1
) * m
, inf
->v
);
327 inf
->v
[1] += sinf( a1
) * m
;
328 inf
->land_dist
= d
[0] / (cosf(a1
)*m
);
329 inf
->gravity
= gravity
;
331 v3_copy( target
, inf
->log
[inf
->log_length
++] );
338 static void player__approximate_best_trajectory(void){
339 world_instance
*world0
= world_current_instance();
341 float k_trace_delta
= k_rb_delta
* 10.0f
;
342 struct player_skate_state
*state
= &player_skate
.state
;
344 state
->air_start
= vg
.time
;
345 v3_copy( localplayer
.rb
.v
, state
->air_init_v
);
346 v3_copy( localplayer
.rb
.co
, state
->air_init_co
);
348 player_skate
.possible_jump_count
= 0;
351 v3_cross( localplayer
.rb
.v
, localplayer
.rb
.to_world
[1], axis
);
352 v3_normalize( axis
);
354 /* at high slopes, Y component is low */
355 float upness
= localplayer
.rb
.to_world
[1][1],
356 angle_begin
= -(1.0f
-fabsf( upness
)),
359 struct grind_info grind
;
360 int grind_located
= 0;
361 float grind_located_gravity
= k_gravity
;
364 v3f launch_v_bounds
[2];
366 for( int i
=0; i
<2; i
++ ){
367 v3_copy( localplayer
.rb
.v
, launch_v_bounds
[i
] );
368 float ang
= (float[]){ angle_begin
, angle_end
}[ i
];
372 q_axis_angle( qbias
, axis
, ang
);
373 q_mulv( qbias
, launch_v_bounds
[i
], launch_v_bounds
[i
] );
376 for( int m
=0;m
<=30; m
++ ){
378 &player_skate
.possible_jumps
[ player_skate
.possible_jump_count
++ ];
379 reset_jump_info( inf
);
381 v3f launch_co
, launch_v
, co0
, co1
;
382 v3_copy( localplayer
.rb
.co
, launch_co
);
383 v3_copy( localplayer
.rb
.v
, launch_v
);
384 v3_copy( launch_co
, co0
);
385 world_instance
*trace_world
= world0
;
387 float vt
= (float)m
* (1.0f
/30.0f
),
388 ang
= vg_lerpf( angle_begin
, angle_end
, vt
) * 0.15f
;
391 q_axis_angle( qbias
, axis
, ang
);
392 q_mulv( qbias
, launch_v
, launch_v
);
394 float yaw_sketch
= 1.0f
-fabsf(upness
);
396 float yaw_bias
= ((float)(m
%3) - 1.0f
) * 0.08f
* yaw_sketch
;
397 q_axis_angle( qbias
, localplayer
.rb
.to_world
[1], yaw_bias
);
398 q_mulv( qbias
, launch_v
, launch_v
);
400 float gravity_bias
= vg_lerpf( 0.85f
, 1.4f
, vt
),
401 gravity
= k_gravity
* gravity_bias
;
402 inf
->gravity
= gravity
;
403 v3_copy( launch_v
, inf
->v
);
405 for( int i
=1; i
<=50; i
++ ){
406 float t
= (float)i
* k_trace_delta
;
408 v3_muls( launch_v
, t
, co1
);
409 co1
[1] += -0.5f
* gravity
* t
*t
;
410 v3_add( launch_co
, co1
, co1
);
412 float launch_vy
= launch_v
[1];
414 int search_for_grind
= 1;
415 if( grind_located
) search_for_grind
= 0;
416 if( launch_vy
- gravity
*t
> 0.0f
) search_for_grind
= 0;
420 v3f closest
={0.0f
,0.0f
,0.0f
};
421 if( search_for_grind
){
422 if( bh_closest_point(trace_world
->geo_bh
,co1
,closest
,1.0f
) != -1 ){
423 float min_dist
= 0.75f
;
424 min_dist
*= min_dist
;
426 if( v3_dist2( closest
, launch_co
) < min_dist
)
427 search_for_grind
= 0;
431 for( int j
=0; j
<2; j
++ ){
432 v3_muls( launch_v_bounds
[j
], t
, bound
[j
] );
433 bound
[j
][1] += -0.5f
*gravity
*t
*t
;
434 v3_add( launch_co
, bound
[j
], bound
[j
] );
437 float limh
= vg_minf( 2.0f
, t
),
438 minh
= vg_minf( bound
[0][1], bound
[1][1] )-limh
,
439 maxh
= vg_maxf( bound
[0][1], bound
[1][1] )+limh
;
441 if( (closest
[1] < minh
) || (closest
[1] > maxh
) ){
442 search_for_grind
= 0;
446 search_for_grind
= 0;
449 if( search_for_grind
){
451 v3_copy( launch_v
, ve
);
452 ve
[1] += -gravity
* t
;
454 if( skate_grind_scansq( closest
, ve
, 0.5f
, &grind
) ){
455 /* check alignment */
456 v2f v0
= { ve
[0], ve
[2] },
457 v1
= { grind
.dir
[0], grind
.dir
[2] };
462 float a
= v2_dot( v0
, v1
);
464 float a_min
= cosf( VG_PIf
* 0.185f
);
465 if( state
->grind_cooldown
)
466 a_min
= cosf( VG_PIf
* 0.05f
);
469 if( (fabsf(v3_dot( ve
, grind
.dir
))>=k_grind_axel_min_vel
) &&
471 (fabsf(grind
.dir
[1]) < 0.70710678118654752f
))
474 grind_located_gravity
= inf
->gravity
;
479 if( trace_world
->rendering_gate
){
480 ent_gate
*gate
= trace_world
->rendering_gate
;
481 if( gate_intersect( gate
, co1
, co0
) ){
482 m4x3_mulv( gate
->transport
, co0
, co0
);
483 m4x3_mulv( gate
->transport
, co1
, co1
);
484 m3x3_mulv( gate
->transport
, launch_v
, launch_v
);
485 m4x3_mulv( gate
->transport
, launch_co
, launch_co
);
487 if( gate
->flags
& k_ent_gate_nonlocal
)
488 trace_world
= &world_static
.instances
[ gate
->target
];
495 float scan_radius
= k_board_radius
;
496 scan_radius
*= vg_clampf( t
, 0.02f
, 1.0f
);
498 int idx
= spherecast_world( trace_world
, co0
, co1
, scan_radius
, &t1
, n
,
499 k_material_flag_walking
);
502 v3_lerp( co0
, co1
, t1
, co
);
503 v3_copy( co
, inf
->log
[ inf
->log_length
++ ] );
505 v3_copy( n
, inf
->n
);
506 u32
*tri
= &trace_world
->scene_geo
.arrindices
[ idx
*3 ];
507 struct world_surface
*surf
=
508 world_tri_index_surface( trace_world
, tri
[0] );
510 inf
->type
= k_prediction_land
;
513 v3_copy( launch_v
, ve
);
514 ve
[1] += -gravity
* t
;
516 inf
->score
= -v3_dot( ve
, inf
->n
);
517 inf
->land_dist
= t
+ k_trace_delta
* t1
;
519 /* Bias prediction towords ramps */
520 if( !(surf
->info
.flags
& k_material_flag_skate_target
) )
523 if( surf
->info
.flags
& k_material_flag_boundary
)
524 player_skate
.possible_jump_count
--;
530 v3_copy( co1
, inf
->log
[ inf
->log_length
++ ] );
534 if( inf
->type
== k_prediction_unset
)
535 player_skate
.possible_jump_count
--;
539 jump_info grind_jumps
[2];
542 create_jumps_to_hit_target( grind_jumps
, grind
.co
,
543 0.175f
*VG_PIf
, grind_located_gravity
);
545 /* knock out original landing points in the 1m area */
546 for( u32 j
=0; j
<player_skate
.possible_jump_count
; j
++ ){
547 jump_info
*jump
= &player_skate
.possible_jumps
[ j
];
548 float dist
= v3_dist2( jump
->log
[jump
->log_length
-1], grind
.co
);
549 float descale
= 1.0f
-vg_minf(1.0f
,dist
);
550 jump
->score
+= descale
*3.0f
;
553 for( int i
=0; i
<valid_count
; i
++ ){
554 jump_info
*jump
= &grind_jumps
[i
];
555 jump
->type
= k_prediction_grind
;
557 v3f launch_v
, launch_co
, co0
, co1
;
559 v3_copy( jump
->v
, launch_v
);
560 v3_copy( localplayer
.rb
.co
, launch_co
);
562 float t
= 0.05f
* jump
->land_dist
;
563 v3_muls( launch_v
, t
, co0
);
564 co0
[1] += -0.5f
* jump
->gravity
* t
*t
;
565 v3_add( launch_co
, co0
, co0
);
567 /* rough scan to make sure we dont collide with anything */
568 for( int j
=1; j
<=16; j
++ ){
569 t
= (float)j
*(1.0f
/16.0f
);
572 t
*= jump
->land_dist
;
574 v3_muls( launch_v
, t
, co1
);
575 co1
[1] += -0.5f
* jump
->gravity
* t
*t
;
576 v3_add( launch_co
, co1
, co1
);
581 int idx
= spherecast_world( world0
, co0
,co1
,
582 k_board_radius
*0.1f
, &t1
, n
,
583 k_material_flag_walking
);
585 goto invalidated_grind
;
591 v3_copy( grind
.n
, jump
->n
);
593 /* determine score */
595 v3_copy( jump
->v
, ve
);
596 ve
[1] += -jump
->gravity
*jump
->land_dist
;
597 jump
->score
= -v3_dot( ve
, grind
.n
) * 0.9f
;
599 player_skate
.possible_jumps
[ player_skate
.possible_jump_count
++ ] =
608 float score_min
= INFINITY
,
609 score_max
= -INFINITY
;
611 jump_info
*best
= NULL
;
613 for( int i
=0; i
<player_skate
.possible_jump_count
; i
++ ){
614 jump_info
*jump
= &player_skate
.possible_jumps
[i
];
616 if( jump
->score
< score_min
)
619 score_min
= vg_minf( score_min
, jump
->score
);
620 score_max
= vg_maxf( score_max
, jump
->score
);
623 for( int i
=0; i
<player_skate
.possible_jump_count
; i
++ ){
624 jump_info
*jump
= &player_skate
.possible_jumps
[i
];
625 float s
= jump
->score
;
628 s
/= (score_max
-score_min
);
632 jump
->colour
= s
* 255.0f
;
636 else if( jump
->type
== k_prediction_land
)
639 jump
->colour
|= 0xff000000;
643 v3_copy( best
->n
, state
->land_normal
);
644 v3_copy( best
->v
, localplayer
.rb
.v
);
645 state
->land_dist
= best
->land_dist
;
646 state
->gravity_bias
= best
->gravity
;
648 if( best
->type
== k_prediction_grind
){
649 state
->activity
= k_skate_activity_air_to_grind
;
653 joystick_state( k_srjoystick_steer
, steer
);
654 v2_normalize_clamp( steer
);
656 if( (fabsf(steer
[1]) > 0.5f
) && (state
->land_dist
>= 1.5f
) ){
657 state
->flip_rate
= (1.0f
/state
->land_dist
) * vg_signf(steer
[1]) *
659 state
->flip_time
= 0.0f
;
660 v3_copy( localplayer
.rb
.to_world
[0], state
->flip_axis
);
663 state
->flip_rate
= 0.0f
;
664 v3_zero( state
->flip_axis
);
668 v3_copy( (v3f
){0,1,0}, state
->land_normal
);
673 * Varius physics models
674 * ------------------------------------------------
678 * Air control, no real physics
680 static void skate_apply_air_model(void){
681 struct player_skate_state
*state
= &player_skate
.state
;
683 if( state
->activity_prev
> k_skate_activity_air_to_grind
)
684 player__approximate_best_trajectory();
686 float angle
= v3_dot( localplayer
.rb
.to_world
[1], state
->land_normal
);
687 angle
= vg_clampf( angle
, -1.0f
, 1.0f
);
689 v3_cross( localplayer
.rb
.to_world
[1], state
->land_normal
, axis
);
692 q_axis_angle( correction
, axis
,
693 acosf(angle
)*2.0f
*VG_TIMESTEP_FIXED
);
694 q_mul( correction
, localplayer
.rb
.q
, localplayer
.rb
.q
);
697 static enum trick_type
player_skate_trick_input(void);
698 static void skate_apply_trick_model(void){
699 struct player_skate_state
*state
= &player_skate
.state
;
702 v3f strength
= { 3.7f
, 3.6f
, 8.0f
};
704 v3_muls( state
->trick_residualv
, -4.0f
, Fd
);
705 v3_muls( state
->trick_residuald
, -10.0f
, Fs
);
707 v3_mul( strength
, F
, F
);
709 v3_muladds( state
->trick_residualv
, F
, k_rb_delta
,
710 state
->trick_residualv
);
711 v3_muladds( state
->trick_residuald
, state
->trick_residualv
,
712 k_rb_delta
, state
->trick_residuald
);
714 if( state
->activity
<= k_skate_activity_air_to_grind
){
715 if( v3_length2( state
->trick_vel
) < 0.0001f
)
718 int carry_on
= state
->trick_type
== player_skate_trick_input();
720 /* we assume velocities share a common divisor, in which case the
721 * interval is the minimum value (if not zero) */
723 float min_rate
= 99999.0f
;
725 for( int i
=0; i
<3; i
++ ){
726 float v
= state
->trick_vel
[i
];
727 if( (v
> 0.0f
) && (v
< min_rate
) )
731 float interval
= 1.0f
/ min_rate
,
732 current
= floorf( state
->trick_time
),
733 next_end
= current
+1.0f
;
736 /* integrate trick velocities */
737 v3_muladds( state
->trick_euler
, state
->trick_vel
, k_rb_delta
,
738 state
->trick_euler
);
740 if( !carry_on
&& (state
->trick_time
+ k_rb_delta
/interval
>= next_end
) ){
741 state
->trick_time
= 0.0f
;
742 state
->trick_euler
[0] = roundf( state
->trick_euler
[0] );
743 state
->trick_euler
[1] = roundf( state
->trick_euler
[1] );
744 state
->trick_euler
[2] = roundf( state
->trick_euler
[2] );
745 v3_copy( state
->trick_vel
, state
->trick_residualv
);
746 v3_zero( state
->trick_vel
);
749 audio_oneshot_3d( &audio_flips
[vg_randu32(&vg
.rand
)%4],
750 localplayer
.rb
.co
, 40.0f
, 1.0f
);
754 state
->trick_time
+= k_rb_delta
/ interval
;
757 if( (v3_length2(state
->trick_vel
) >= 0.0001f
) &&
758 state
->trick_time
> 0.2f
)
760 player__skate_kill_audio();
761 player__dead_transition( k_player_die_type_feet
);
764 state
->trick_euler
[0] = roundf( state
->trick_euler
[0] );
765 state
->trick_euler
[1] = roundf( state
->trick_euler
[1] );
766 state
->trick_euler
[2] = roundf( state
->trick_euler
[2] );
767 state
->trick_time
= 0.0f
;
768 v3_zero( state
->trick_vel
);
772 static void skate_apply_grab_model(void){
773 struct player_skate_state
*state
= &player_skate
.state
;
775 float grabt
= axis_state( k_sraxis_grab
);
778 v2_muladds( state
->grab_mouse_delta
, vg
.mouse_delta
, 0.02f
,
779 state
->grab_mouse_delta
);
781 v2_normalize_clamp( state
->grab_mouse_delta
);
784 v2_zero( state
->grab_mouse_delta
);
786 state
->grabbing
= vg_lerpf( state
->grabbing
, grabt
, 8.4f
*k_rb_delta
);
789 static void skate_apply_steering_model(void){
790 struct player_skate_state
*state
= &player_skate
.state
;
793 joystick_state( k_srjoystick_steer
, jsteer
);
796 float steer
= jsteer
[0],
797 grab
= axis_state( k_sraxis_grab
);
799 steer
= vg_signf( steer
) * steer
*steer
* k_steer_ground
;
802 v3_muls( localplayer
.rb
.to_world
[1], -vg_signf( steer
), steer_axis
);
807 f32 skid_target
= 0.0f
;
809 if( state
->activity
<= k_skate_activity_air_to_grind
){
810 rate
= 6.0f
* fabsf(steer
);
814 /* rotate slower when grabbing on ground */
815 steer
*= (1.0f
-(state
->jump_charge
+grab
)*0.4f
);
817 if( state
->activity
== k_skate_activity_grind_5050
){
822 else if( state
->activity
>= k_skate_activity_grind_any
){
823 rate
*= fabsf(steer
);
825 float a
= 0.8f
* -steer
* k_rb_delta
;
828 q_axis_angle( q
, localplayer
.rb
.to_world
[1], a
);
829 q_mulv( q
, player_skate
.grind_vec
, player_skate
.grind_vec
);
831 v3_normalize( player_skate
.grind_vec
);
834 else if( state
->manual_direction
){
839 f32 skid
= axis_state(k_sraxis_skid
);
841 /* skids on keyboard lock to the first direction pressed */
842 if( vg_input
.display_input_method
== k_input_method_kbm
){
843 if( button_down(k_srbind_skid
) && (fabsf(state
->skid
)<0.01f
) ){
844 state
->skid
= vg_signf( steer
) * 0.01f
;
847 if( button_press(k_srbind_skid
) ){
848 skid_target
= vg_signf( state
->skid
);
852 if( fabsf(skid
) > 0.1f
){
859 top
*= 1.0f
+v3_length( state
->throw_v
)*k_mmthrow_steer
;
863 vg_slewf( &state
->skid
, skid_target
, k_rb_delta
*(1.0f
/0.1f
) );
864 steer
= vg_lerpf( steer
, state
->skid
*k_steer_ground
*0.5f
,
865 fabsf(state
->skid
*0.8f
) );
867 float current
= v3_dot( localplayer
.rb
.to_world
[1], localplayer
.rb
.w
),
868 addspeed
= (steer
* -top
) - current
,
869 maxaccel
= rate
* k_rb_delta
,
870 accel
= vg_clampf( addspeed
, -maxaccel
, maxaccel
);
872 v3_muladds( localplayer
.rb
.w
, localplayer
.rb
.to_world
[1],
873 accel
, localplayer
.rb
.w
);
877 * Computes friction and surface interface model
879 static void skate_apply_friction_model(void){
880 struct player_skate_state
*state
= &player_skate
.state
;
883 * Computing localized friction forces for controlling the character
884 * Friction across X is significantly more than Z
888 m3x3_mulv( localplayer
.rb
.to_local
, localplayer
.rb
.v
, vel
);
891 if( fabsf(vel
[2]) > 0.01f
)
892 slip
= fabsf(-vel
[0] / vel
[2]) * vg_signf(vel
[0]);
894 if( fabsf( slip
) > 1.2f
)
895 slip
= vg_signf( slip
) * 1.2f
;
898 state
->reverse
= -vg_signf(vel
[2]);
900 f32 lat
= k_friction_lat
;
902 if( fabsf(axis_state(k_sraxis_skid
)) > 0.1f
){
903 lat
= k_friction_lat
* 2.0f
;
906 vel
[0] += vg_cfrictf( vel
[0], k_friction_lat
* k_rb_delta
);
907 vel
[2] += vg_cfrictf( vel
[2], k_friction_resistance
* k_rb_delta
);
909 /* Pushing additive force */
911 if( !button_press( k_srbind_jump
) && (fabsf(state
->skid
)<0.1f
) ){
912 if( button_press( k_srbind_push
) || (vg
.time
-state
->start_push
<0.75) ){
913 if( (vg
.time
- state
->cur_push
) > 0.25 )
914 state
->start_push
= vg
.time
;
916 state
->cur_push
= vg
.time
;
918 double push_time
= vg
.time
- state
->start_push
;
920 float cycle_time
= push_time
*k_push_cycle_rate
,
921 accel
= k_push_accel
* (sinf(cycle_time
)*0.5f
+0.5f
),
922 amt
= accel
* VG_TIMESTEP_FIXED
,
923 current
= v3_length( vel
),
924 new_vel
= vg_minf( current
+ amt
, k_max_push_speed
),
925 delta
= new_vel
- vg_minf( current
, k_max_push_speed
);
927 vel
[2] += delta
* -state
->reverse
;
931 /* Send back to velocity */
932 m3x3_mulv( localplayer
.rb
.to_world
, vel
, localplayer
.rb
.v
);
935 static void skate_apply_jump_model(void){
936 struct player_skate_state
*state
= &player_skate
.state
;
937 int charging_jump_prev
= state
->charging_jump
;
938 state
->charging_jump
= button_press( k_srbind_jump
);
940 /* Cannot charge this in air */
941 if( state
->activity
<= k_skate_activity_air_to_grind
){
942 state
->charging_jump
= 0;
946 if( state
->charging_jump
){
947 state
->jump_charge
+= k_rb_delta
* k_jump_charge_speed
;
949 if( !charging_jump_prev
)
950 state
->jump_dir
= state
->reverse
>0.0f
? 1: 0;
953 state
->jump_charge
-= k_jump_charge_speed
* k_rb_delta
;
956 state
->jump_charge
= vg_clampf( state
->jump_charge
, 0.0f
, 1.0f
);
958 /* player let go after charging past 0.2: trigger jump */
959 if( (!state
->charging_jump
) && (state
->jump_charge
> 0.2f
) ){
962 /* Launch more up if alignment is up else improve velocity */
963 float aup
= localplayer
.rb
.to_world
[1][1],
965 dir
= mod
+ fabsf(aup
)*(1.0f
-mod
);
967 if( state
->activity
== k_skate_activity_ground
){
968 v3_copy( localplayer
.rb
.v
, jumpdir
);
969 v3_normalize( jumpdir
);
970 v3_muls( jumpdir
, 1.0f
-dir
, jumpdir
);
971 v3_muladds( jumpdir
, localplayer
.rb
.to_world
[1], dir
, jumpdir
);
972 v3_normalize( jumpdir
);
974 v3_copy( state
->up_dir
, jumpdir
);
975 state
->grind_cooldown
= 30;
976 state
->activity
= k_skate_activity_ground
;
979 joystick_state( k_srjoystick_steer
, steer
);
981 float tilt
= steer
[0] * 0.3f
;
982 tilt
*= vg_signf(v3_dot( localplayer
.rb
.v
,
983 player_skate
.grind_dir
));
986 q_axis_angle( qtilt
, player_skate
.grind_dir
, tilt
);
987 q_mulv( qtilt
, jumpdir
, jumpdir
);
989 state
->surface_cooldown
= 10;
990 state
->trick_input_collect
= 0.0f
;
992 float force
= k_jump_force
*state
->jump_charge
;
993 v3_muladds( localplayer
.rb
.v
, jumpdir
, force
, localplayer
.rb
.v
);
994 state
->jump_charge
= 0.0f
;
995 state
->jump_time
= vg
.time
;
996 player__networked_sfx( k_player_subsystem_skate
, 32,
997 k_player_skate_soundeffect_jump
,
998 localplayer
.rb
.co
, 1.0f
);
1002 static void skate_apply_pump_model(void){
1003 struct player_skate_state
*state
= &player_skate
.state
;
1005 if( state
->activity
!= k_skate_activity_ground
){
1006 v3_zero( state
->throw_v
);
1010 /* Throw / collect routine
1012 if( axis_state( k_sraxis_grab
) > 0.5f
){
1013 if( state
->activity
== k_skate_activity_ground
){
1015 v3_muls( localplayer
.rb
.to_world
[1], k_mmthrow_scale
, state
->throw_v
);
1020 float doty
= v3_dot( localplayer
.rb
.to_world
[1], state
->throw_v
);
1023 v3_muladds( state
->throw_v
, localplayer
.rb
.to_world
[1], -doty
, Fl
);
1025 if( state
->activity
== k_skate_activity_ground
){
1026 if( v3_length2(localplayer
.rb
.v
)<(20.0f
*20.0f
) ){
1027 v3_muladds( localplayer
.rb
.v
, Fl
,
1028 k_mmcollect_lat
, localplayer
.rb
.v
);
1030 v3_muladds( state
->throw_v
, Fl
, -k_mmcollect_lat
, state
->throw_v
);
1033 v3_muls( localplayer
.rb
.to_world
[1], -doty
, Fv
);
1034 v3_muladds( localplayer
.rb
.v
, Fv
, k_mmcollect_vert
, localplayer
.rb
.v
);
1035 v3_muladds( state
->throw_v
, Fv
, k_mmcollect_vert
, state
->throw_v
);
1039 if( v3_length2( state
->throw_v
) > 0.0001f
){
1041 v3_copy( state
->throw_v
, dir
);
1042 v3_normalize( dir
);
1044 float max
= v3_dot( dir
, state
->throw_v
),
1045 amt
= vg_minf( k_mmdecay
* k_rb_delta
, max
);
1046 v3_muladds( state
->throw_v
, dir
, -amt
, state
->throw_v
);
1050 static void skate_apply_cog_model(void){
1051 struct player_skate_state
*state
= &player_skate
.state
;
1053 v3f ideal_cog
, ideal_diff
, ideal_dir
;
1054 v3_copy( state
->up_dir
, ideal_dir
);
1055 v3_normalize( ideal_dir
);
1057 float grab
= axis_state( k_sraxis_grab
);
1058 v3_muladds( localplayer
.rb
.co
, ideal_dir
, 1.0f
-grab
, ideal_cog
);
1059 v3_sub( ideal_cog
, state
->cog
, ideal_diff
);
1061 /* Apply velocities */
1063 v3_sub( localplayer
.rb
.v
, state
->cog_v
, rv
);
1066 v3_muls( ideal_diff
, -k_cog_spring
* k_rb_rate
, F
);
1067 v3_muladds( F
, rv
, -k_cog_damp
* k_rb_rate
, F
);
1069 float ra
= k_cog_mass_ratio
,
1070 rb
= 1.0f
-k_cog_mass_ratio
;
1072 /* Apply forces & intergrate */
1073 v3_muladds( state
->cog_v
, F
, -rb
, state
->cog_v
);
1074 state
->cog_v
[1] += -9.8f
* k_rb_delta
;
1075 v3_muladds( state
->cog
, state
->cog_v
, k_rb_delta
, state
->cog
);
1078 static void skate_integrate(void){
1079 struct player_skate_state
*state
= &player_skate
.state
;
1081 float rate_x
= 1.0f
- (k_rb_delta
* 3.0f
),
1085 if( state
->activity
>= k_skate_activity_grind_any
){
1086 rate_x
= 1.0f
-(16.0f
*k_rb_delta
);
1087 rate_y
= 1.0f
-(10.0f
*k_rb_delta
);
1088 rate_z
= 1.0f
-(40.0f
*k_rb_delta
);
1091 float wx
= v3_dot( localplayer
.rb
.w
, localplayer
.rb
.to_world
[0] ) * rate_x
,
1092 wy
= v3_dot( localplayer
.rb
.w
, localplayer
.rb
.to_world
[1] ) * rate_y
,
1093 wz
= v3_dot( localplayer
.rb
.w
, localplayer
.rb
.to_world
[2] ) * rate_z
;
1095 v3_muls( localplayer
.rb
.to_world
[0], wx
, localplayer
.rb
.w
);
1096 v3_muladds( localplayer
.rb
.w
, localplayer
.rb
.to_world
[1], wy
,
1098 v3_muladds( localplayer
.rb
.w
, localplayer
.rb
.to_world
[2], wz
,
1101 state
->flip_time
+= state
->flip_rate
* k_rb_delta
;
1102 rb_update_transform( &localplayer
.rb
);
1105 static enum trick_type
player_skate_trick_input(void){
1106 return (button_press( k_srbind_trick0
) ) |
1107 (button_press( k_srbind_trick1
) << 1) |
1108 (button_press( k_srbind_trick2
) << 1) |
1109 (button_press( k_srbind_trick2
) );
1112 static void player__skate_pre_update(void){
1113 struct player_skate_state
*state
= &player_skate
.state
;
1115 if( button_down( k_srbind_use
) ){
1116 localplayer
.subsystem
= k_player_subsystem_walk
;
1119 v3_copy( localplayer
.cam
.angles
, localplayer
.angles
);
1120 localplayer
.angles
[2] = 0.0f
;
1123 m4x3_mulv( localplayer
.rb
.to_world
, (v3f
){0.0f
,1.0f
,0.0f
}, newpos
);
1124 v3_add( newpos
, (v3f
){0.0f
,-1.0f
,0.0f
}, newpos
);
1125 v3_sub( localplayer
.rb
.co
, newpos
, offset
);
1126 v3_copy( newpos
, localplayer
.rb
.co
);
1128 player__begin_holdout( offset
);
1129 player__skate_kill_audio();
1130 player__walk_transition();
1134 enum trick_type trick
= player_skate_trick_input();
1136 state
->trick_input_collect
+= vg
.time_frame_delta
;
1138 state
->trick_input_collect
= 0.0f
;
1140 if( state
->activity
<= k_skate_activity_air_to_grind
){
1141 if( trick
&& (state
->trick_input_collect
< 0.1f
) ){
1142 if( state
->trick_time
== 0.0f
){
1144 audio_oneshot_3d( &audio_flips
[vg_randu32(&vg
.rand
)%4],
1145 localplayer
.rb
.co
, 40.0f
, 1.0f
);
1149 if( state
->trick_time
< 0.1f
){
1150 v3_zero( state
->trick_vel
);
1152 if( trick
== k_trick_type_kickflip
){
1153 state
->trick_vel
[0] = 3.0f
;
1155 else if( trick
== k_trick_type_shuvit
){
1156 state
->trick_vel
[2] = 3.0f
;
1158 else if( trick
== k_trick_type_treflip
){
1159 state
->trick_vel
[0] = 2.0f
;
1160 state
->trick_vel
[2] = 2.0f
;
1162 state
->trick_type
= trick
;
1167 state
->trick_type
= k_trick_type_none
;
1170 static void player__skate_post_update(void){
1171 struct player_skate_state
*state
= &player_skate
.state
;
1173 for( int i
=0; i
<player_skate
.possible_jump_count
; i
++ ){
1174 jump_info
*jump
= &player_skate
.possible_jumps
[i
];
1176 if( jump
->log_length
== 0 ){
1177 vg_fatal_error( "assert: jump->log_length == 0\n" );
1180 for( int j
=0; j
<jump
->log_length
- 1; j
++ ){
1181 float brightness
= jump
->score
*jump
->score
*jump
->score
;
1183 v3_lerp( jump
->log
[j
], jump
->log
[j
+1], brightness
, p1
);
1184 vg_line( jump
->log
[j
], p1
, jump
->colour
);
1187 vg_line_cross( jump
->log
[jump
->log_length
-1], jump
->colour
, 0.25f
);
1190 v3_add( jump
->log
[jump
->log_length
-1], jump
->n
, p1
);
1191 vg_line( jump
->log
[jump
->log_length
-1], p1
, 0xffffffff );
1193 vg_line_point( jump
->apex
, 0.02f
, 0xffffffff );
1198 float air
= state
->activity
<= k_skate_activity_air_to_grind
? 1.0f
: 0.0f
,
1199 speed
= v3_length( localplayer
.rb
.v
),
1200 attn
= vg_minf( 1.0f
, speed
*0.1f
),
1201 slide
= vg_clampf( fabsf(state
->slip
), 0.0f
, 1.0f
);
1203 if( state
->activity
>= k_skate_activity_grind_any
){
1207 f32 gate
= skaterift
.time_rate
,
1208 vol_main
= sqrtf( (1.0f
-air
)*attn
*(1.0f
-slide
) * 0.4f
) * gate
,
1209 vol_air
= sqrtf( air
*attn
* 0.5f
) * gate
,
1210 vol_slide
= sqrtf( (1.0f
-air
)*attn
*slide
* 0.25f
) * gate
;
1212 const u32 flags
= AUDIO_FLAG_SPACIAL_3D
|AUDIO_FLAG_LOOP
;
1214 if( !player_skate
.aud_air
){
1215 player_skate
.aud_air
= audio_get_first_idle_channel();
1216 if( player_skate
.aud_air
)
1217 audio_channel_init( player_skate
.aud_air
, &audio_board
[1], flags
);
1220 if( !player_skate
.aud_slide
){
1221 player_skate
.aud_slide
= audio_get_first_idle_channel();
1222 if( player_skate
.aud_slide
)
1223 audio_channel_init( player_skate
.aud_slide
, &audio_board
[2], flags
);
1227 /* brrrrrrrrrrrt sound for tiles and stuff
1228 * --------------------------------------------------------*/
1229 float sidechain_amt
= 0.0f
,
1230 hz
= vg_maxf( speed
* 2.0f
, 2.0f
);
1232 if( (player_skate
.surface
== k_surface_prop_tiles
) &&
1233 (state
->activity
< k_skate_activity_grind_any
) )
1234 sidechain_amt
= 1.0f
;
1236 sidechain_amt
= 0.0f
;
1238 audio_set_lfo_frequency( 0, hz
);
1239 audio_set_lfo_wave( 0, k_lfo_polynomial_bipolar
,
1240 vg_lerpf( 250.0f
, 80.0f
, attn
) );
1242 if( player_skate
.sample_change_cooldown
> 0.0f
){
1243 player_skate
.sample_change_cooldown
-= vg
.time_frame_delta
;
1246 int sample_type
= k_skate_sample_concrete
;
1248 if( state
->activity
== k_skate_activity_grind_5050
){
1249 if( player_skate
.surface
== k_surface_prop_metal
)
1250 sample_type
= k_skate_sample_metal_scrape_generic
;
1252 sample_type
= k_skate_sample_concrete_scrape_metal
;
1254 else if( (state
->activity
== k_skate_activity_grind_back50
) ||
1255 (state
->activity
== k_skate_activity_grind_front50
) )
1257 if( player_skate
.surface
== k_surface_prop_metal
){
1258 sample_type
= k_skate_sample_metal_scrape_generic
;
1261 float a
= v3_dot( localplayer
.rb
.to_world
[2],
1262 player_skate
.grind_dir
);
1263 if( fabsf(a
) > 0.70710678118654752f
)
1264 sample_type
= k_skate_sample_concrete_scrape_wood
;
1266 sample_type
= k_skate_sample_concrete_scrape_metal
;
1269 else if( state
->activity
== k_skate_activity_grind_boardslide
){
1270 if( player_skate
.surface
== k_surface_prop_metal
)
1271 sample_type
= k_skate_sample_metal_scrape_generic
;
1273 sample_type
= k_skate_sample_concrete_scrape_wood
;
1276 audio_clip
*relevant_samples
[] = {
1284 if( (player_skate
.main_sample_type
!= sample_type
) ||
1285 (!player_skate
.aud_main
) ){
1287 player_skate
.aud_main
=
1288 audio_channel_crossfade( player_skate
.aud_main
,
1289 relevant_samples
[sample_type
],
1291 player_skate
.sample_change_cooldown
= 0.1f
;
1292 player_skate
.main_sample_type
= sample_type
;
1296 if( player_skate
.aud_main
){
1297 player_skate
.aud_main
->colour
= 0x00103efe;
1298 audio_channel_set_spacial( player_skate
.aud_main
,
1299 localplayer
.rb
.co
, 40.0f
);
1300 //audio_channel_slope_volume( player_skate.aud_main, 0.05f, vol_main );
1301 audio_channel_edit_volume( player_skate
.aud_main
, vol_main
, 1 );
1302 audio_channel_sidechain_lfo( player_skate
.aud_main
, 0, sidechain_amt
);
1304 float rate
= 1.0f
+ (attn
-0.5f
)*0.2f
;
1305 audio_channel_set_sampling_rate( player_skate
.aud_main
, rate
);
1308 if( player_skate
.aud_slide
){
1309 player_skate
.aud_slide
->colour
= 0x00103efe;
1310 audio_channel_set_spacial( player_skate
.aud_slide
,
1311 localplayer
.rb
.co
, 40.0f
);
1312 //audio_channel_slope_volume( player_skate.aud_slide, 0.05f, vol_slide );
1313 audio_channel_edit_volume( player_skate
.aud_slide
, vol_slide
, 1 );
1314 audio_channel_sidechain_lfo( player_skate
.aud_slide
, 0, sidechain_amt
);
1317 if( player_skate
.aud_air
){
1318 player_skate
.aud_air
->colour
= 0x00103efe;
1319 audio_channel_set_spacial( player_skate
.aud_air
,
1320 localplayer
.rb
.co
, 40.0f
);
1321 //audio_channel_slope_volume( player_skate.aud_air, 0.05f, vol_air );
1322 audio_channel_edit_volume( player_skate
.aud_air
, vol_air
, 1 );
1329 * truck alignment model at ra(local)
1330 * returns 1 if valid surface:
1331 * surface_normal will be filled out with an averaged normal vector
1332 * axel_dir will be the direction from left to right wheels
1334 * returns 0 if no good surface found
1337 int skate_compute_surface_alignment( v3f ra
, u32 colour
,
1338 v3f surface_normal
, v3f axel_dir
){
1339 world_instance
*world
= world_current_instance();
1341 v3f truck
, left
, right
;
1342 m4x3_mulv( localplayer
.rb
.to_world
, ra
, truck
);
1344 v3_muladds( truck
, localplayer
.rb
.to_world
[0], -k_board_width
, left
);
1345 v3_muladds( truck
, localplayer
.rb
.to_world
[0], k_board_width
, right
);
1346 vg_line( left
, right
, colour
);
1348 float k_max_truck_flex
= VG_PIf
* 0.25f
;
1350 ray_hit ray_l
, ray_r
;
1353 v3_muls( localplayer
.rb
.to_world
[1], -1.0f
, dir
);
1355 int res_l
= 0, res_r
= 0;
1357 for( int i
=0; i
<8; i
++ ){
1358 float t
= 1.0f
- (float)i
* (1.0f
/8.0f
);
1359 v3_muladds( truck
, localplayer
.rb
.to_world
[0], -k_board_radius
*t
, left
);
1360 v3_muladds( left
, localplayer
.rb
.to_world
[1], k_board_radius
, left
);
1361 ray_l
.dist
= 2.1f
* k_board_radius
;
1363 res_l
= ray_world( world
, left
, dir
, &ray_l
, k_material_flag_walking
);
1369 for( int i
=0; i
<8; i
++ ){
1370 float t
= 1.0f
- (float)i
* (1.0f
/8.0f
);
1371 v3_muladds( truck
, localplayer
.rb
.to_world
[0], k_board_radius
*t
, right
);
1372 v3_muladds( right
, localplayer
.rb
.to_world
[1], k_board_radius
, right
);
1373 ray_r
.dist
= 2.1f
* k_board_radius
;
1375 res_r
= ray_world( world
, right
, dir
, &ray_r
, k_material_flag_walking
);
1383 v3f tangent_average
;
1384 v3_muladds( truck
, localplayer
.rb
.to_world
[1], -k_board_radius
, midpoint
);
1385 v3_zero( tangent_average
);
1387 if( res_l
|| res_r
){
1389 v3_copy( midpoint
, p0
);
1390 v3_copy( midpoint
, p1
);
1393 v3_copy( ray_l
.pos
, p0
);
1394 v3_cross( ray_l
.normal
, localplayer
.rb
.to_world
[0], t
);
1395 v3_add( t
, tangent_average
, tangent_average
);
1398 v3_copy( ray_r
.pos
, p1
);
1399 v3_cross( ray_r
.normal
, localplayer
.rb
.to_world
[0], t
);
1400 v3_add( t
, tangent_average
, tangent_average
);
1403 v3_sub( p1
, p0
, v0
);
1407 /* fallback: use the closes point to the trucks */
1409 int idx
= bh_closest_point( world
->geo_bh
, midpoint
, closest
, 0.1f
);
1412 u32
*tri
= &world
->scene_geo
.arrindices
[ idx
* 3 ];
1415 for( int j
=0; j
<3; j
++ )
1416 v3_copy( world
->scene_geo
.arrvertices
[ tri
[j
] ].co
, verts
[j
] );
1418 v3f vert0
, vert1
, n
;
1419 v3_sub( verts
[1], verts
[0], vert0
);
1420 v3_sub( verts
[2], verts
[0], vert1
);
1421 v3_cross( vert0
, vert1
, n
);
1424 if( v3_dot( n
, localplayer
.rb
.to_world
[1] ) < 0.3f
)
1427 v3_cross( n
, localplayer
.rb
.to_world
[2], v0
);
1428 v3_muladds( v0
, localplayer
.rb
.to_world
[2],
1429 -v3_dot( localplayer
.rb
.to_world
[2], v0
), v0
);
1433 v3_cross( n
, localplayer
.rb
.to_world
[0], t
);
1434 v3_add( t
, tangent_average
, tangent_average
);
1440 v3_muladds( truck
, v0
, k_board_width
, right
);
1441 v3_muladds( truck
, v0
, -k_board_width
, left
);
1443 vg_line( left
, right
, VG__WHITE
);
1445 v3_normalize( tangent_average
);
1446 v3_cross( v0
, tangent_average
, surface_normal
);
1447 v3_copy( v0
, axel_dir
);
1452 static void skate_weight_distribute(void){
1453 struct player_skate_state
*state
= &player_skate
.state
;
1454 v3_zero( player_skate
.weight_distribution
);
1456 int reverse_dir
= v3_dot( localplayer
.rb
.to_world
[2],
1457 localplayer
.rb
.v
) < 0.0f
?1:-1;
1460 joystick_state( k_srjoystick_steer
, steer
);
1462 if( state
->manual_direction
== 0 ){
1463 if( (steer
[1] > 0.7f
) && (state
->activity
== k_skate_activity_ground
) &&
1464 (state
->jump_charge
<= 0.01f
) )
1465 state
->manual_direction
= reverse_dir
;
1468 if( steer
[1] < 0.1f
){
1469 state
->manual_direction
= 0;
1472 if( reverse_dir
!= state
->manual_direction
){
1478 if( state
->manual_direction
){
1479 float amt
= vg_minf( steer
[1] * 8.0f
, 1.0f
);
1480 player_skate
.weight_distribution
[2] = k_board_length
* amt
*
1481 (float)state
->manual_direction
;
1484 if( state
->manual_direction
){
1487 m3x3_mulv( localplayer
.rb
.to_world
, player_skate
.weight_distribution
,
1489 v3_negate( plane_z
, plane_z
);
1491 v3_muladds( plane_z
, player_skate
.surface_picture
,
1492 -v3_dot( plane_z
, player_skate
.surface_picture
), plane_z
);
1493 v3_normalize( plane_z
);
1495 v3_muladds( plane_z
, player_skate
.surface_picture
, 0.3f
, plane_z
);
1496 v3_normalize( plane_z
);
1499 v3_muladds( localplayer
.rb
.co
, plane_z
, 1.5f
, p1
);
1500 vg_line( localplayer
.rb
.co
, p1
, VG__GREEN
);
1503 v3_muls( localplayer
.rb
.to_world
[2], -(float)state
->manual_direction
,
1506 rb_effect_spring_target_vector( &localplayer
.rb
, refdir
, plane_z
,
1507 k_manul_spring
, k_manul_dampener
,
1508 player_skate
.substep_delta
);
1512 static void skate_adjust_up_direction(void){
1513 struct player_skate_state
*state
= &player_skate
.state
;
1515 if( state
->activity
== k_skate_activity_ground
){
1517 v3_copy( player_skate
.surface_picture
, target
);
1519 target
[1] += 2.0f
* player_skate
.surface_picture
[1];
1520 v3_normalize( target
);
1522 v3_lerp( state
->up_dir
, target
,
1523 8.0f
* player_skate
.substep_delta
, state
->up_dir
);
1525 else if( state
->activity
<= k_skate_activity_air_to_grind
){
1526 v3_lerp( state
->up_dir
, localplayer
.rb
.to_world
[1],
1527 8.0f
* player_skate
.substep_delta
, state
->up_dir
);
1531 v3_add( localplayer
.rb
.to_world
[1], (v3f
){0,1,0}, avg
);
1532 v3_normalize( avg
);
1534 v3_lerp( state
->up_dir
, avg
,
1535 6.0f
* player_skate
.substep_delta
, state
->up_dir
);
1539 static int skate_point_visible( v3f origin
, v3f target
){
1541 v3_sub( target
, origin
, dir
);
1544 ray
.dist
= v3_length( dir
);
1545 v3_muls( dir
, 1.0f
/ray
.dist
, dir
);
1548 if( ray_world( world_current_instance(), origin
, dir
, &ray
,
1549 k_material_flag_walking
) )
1555 static void skate_grind_orient( struct grind_info
*inf
, m3x3f mtx
){
1556 v3_copy( inf
->dir
, mtx
[0] );
1557 v3_copy( inf
->n
, mtx
[1] );
1558 v3_cross( mtx
[0], mtx
[1], mtx
[2] );
1561 static void skate_grind_friction( struct grind_info
*inf
, float strength
){
1563 v3_muladds( localplayer
.rb
.to_world
[2], inf
->n
,
1564 -v3_dot( localplayer
.rb
.to_world
[2], inf
->n
), v2
);
1566 float a
= 1.0f
-fabsf( v3_dot( v2
, inf
->dir
) ),
1567 dir
= vg_signf( v3_dot( localplayer
.rb
.v
, inf
->dir
) ),
1568 F
= a
* -dir
* k_grind_max_friction
;
1570 v3_muladds( localplayer
.rb
.v
, inf
->dir
, F
*k_rb_delta
*strength
,
1574 static void skate_grind_decay( struct grind_info
*inf
, float strength
){
1576 skate_grind_orient( inf
, mtx
);
1577 m3x3_transpose( mtx
, mtx_inv
);
1580 m3x3_mulv( mtx_inv
, localplayer
.rb
.v
, v_grind
);
1582 float decay
= 1.0f
- ( k_rb_delta
* k_grind_decayxy
* strength
);
1583 v3_mul( v_grind
, (v3f
){ 1.0f
, decay
, decay
}, v_grind
);
1584 m3x3_mulv( mtx
, v_grind
, localplayer
.rb
.v
);
1587 static void skate_grind_truck_apply( float sign
, struct grind_info
*inf
,
1589 struct player_skate_state
*state
= &player_skate
.state
;
1591 v3f ra
= { 0.0f
, -k_board_radius
, sign
* k_board_length
};
1593 m3x3_mulv( localplayer
.rb
.to_world
, ra
, raw
);
1594 v3_add( localplayer
.rb
.co
, raw
, wsp
);
1596 v3_copy( ra
, player_skate
.weight_distribution
);
1599 v3_sub( inf
->co
, wsp
, delta
);
1602 v3_muladds( localplayer
.rb
.v
, delta
, k_spring_force
*strength
*k_rb_delta
,
1605 skate_grind_decay( inf
, strength
);
1606 skate_grind_friction( inf
, strength
);
1608 /* yeah yeah yeah yeah */
1609 v3f raw_nplane
, axis
;
1610 v3_muladds( raw
, inf
->n
, -v3_dot( inf
->n
, raw
), raw_nplane
);
1611 v3_cross( raw_nplane
, inf
->n
, axis
);
1612 v3_normalize( axis
);
1616 skate_grind_orient( inf
, mtx
);
1617 v3f target_fwd
, fwd
, up
, target_up
;
1618 m3x3_mulv( mtx
, player_skate
.grind_vec
, target_fwd
);
1619 v3_copy( raw_nplane
, fwd
);
1620 v3_copy( localplayer
.rb
.to_world
[1], up
);
1621 v3_copy( inf
->n
, target_up
);
1623 v3_muladds( target_fwd
, inf
->n
, -v3_dot(inf
->n
,target_fwd
), target_fwd
);
1624 v3_muladds( fwd
, inf
->n
, -v3_dot(inf
->n
,fwd
), fwd
);
1626 v3_normalize( target_fwd
);
1627 v3_normalize( fwd
);
1630 joystick_state( k_srjoystick_steer
, steer
);
1632 float way
= steer
[1] * vg_signf( v3_dot( raw_nplane
, localplayer
.rb
.v
) );
1635 q_axis_angle( q
, axis
, VG_PIf
*0.125f
* way
);
1636 q_mulv( q
, target_up
, target_up
);
1637 q_mulv( q
, target_fwd
, target_fwd
);
1639 rb_effect_spring_target_vector( &localplayer
.rb
, up
, target_up
,
1644 rb_effect_spring_target_vector( &localplayer
.rb
, fwd
, target_fwd
,
1645 k_grind_spring
*strength
,
1646 k_grind_dampener
*strength
,
1649 vg_line_arrow( localplayer
.rb
.co
, target_up
, 1.0f
, VG__GREEN
);
1650 vg_line_arrow( localplayer
.rb
.co
, fwd
, 0.8f
, VG__RED
);
1651 vg_line_arrow( localplayer
.rb
.co
, target_fwd
, 1.0f
, VG__YELOW
);
1653 player_skate
.grind_strength
= strength
;
1656 struct grind_limit
*limit
=
1657 &player_skate
.limits
[ player_skate
.limit_count
++ ];
1658 m4x3_mulv( localplayer
.rb
.to_local
, wsp
, limit
->ra
);
1659 m3x3_mulv( localplayer
.rb
.to_local
, inf
->n
, limit
->n
);
1662 v3_copy( inf
->dir
, player_skate
.grind_dir
);
1665 static void skate_5050_apply( struct grind_info
*inf_front
,
1666 struct grind_info
*inf_back
){
1667 struct player_skate_state
*state
= &player_skate
.state
;
1668 struct grind_info inf_avg
;
1670 v3_sub( inf_front
->co
, inf_back
->co
, inf_avg
.dir
);
1671 v3_muladds( inf_back
->co
, inf_avg
.dir
, 0.5f
, inf_avg
.co
);
1672 v3_normalize( inf_avg
.dir
);
1675 v3_muls( inf_avg
.dir
, vg_signf(v3_dot(inf_avg
.dir
,localplayer
.rb
.v
)),
1678 v3f axis_front
, axis_back
, axis
;
1679 v3_cross( inf_front
->dir
, inf_front
->n
, axis_front
);
1680 v3_cross( inf_back
->dir
, inf_back
->n
, axis_back
);
1681 v3_add( axis_front
, axis_back
, axis
);
1682 v3_normalize( axis
);
1684 v3_cross( axis
, inf_avg
.dir
, inf_avg
.n
);
1685 skate_grind_decay( &inf_avg
, 1.0f
);
1688 joystick_state( k_srjoystick_steer
, steer
);
1690 float way
= steer
[1] * vg_signf( v3_dot( localplayer
.rb
.to_world
[2],
1691 localplayer
.rb
.v
) );
1694 v3_copy( localplayer
.rb
.to_world
[1], up
);
1695 v3_copy( inf_avg
.n
, target_up
);
1696 q_axis_angle( q
, localplayer
.rb
.to_world
[0], VG_PIf
*0.25f
* -way
);
1697 q_mulv( q
, target_up
, target_up
);
1699 v3_zero( player_skate
.weight_distribution
);
1700 player_skate
.weight_distribution
[2] = k_board_length
* -way
;
1702 rb_effect_spring_target_vector( &localplayer
.rb
, up
, target_up
,
1706 vg_line_arrow( localplayer
.rb
.co
, up
, 1.0f
, VG__GREEN
);
1707 vg_line_arrow( localplayer
.rb
.co
, target_up
, 1.0f
, VG__GREEN
);
1709 v3f fwd_nplane
, dir_nplane
;
1710 v3_muladds( localplayer
.rb
.to_world
[2], inf_avg
.n
,
1711 -v3_dot( localplayer
.rb
.to_world
[2], inf_avg
.n
), fwd_nplane
);
1714 v3_muls( inf_avg
.dir
, v3_dot( fwd_nplane
, inf_avg
.dir
), dir
);
1715 v3_muladds( dir
, inf_avg
.n
, -v3_dot( dir
, inf_avg
.n
), dir_nplane
);
1717 v3_normalize( fwd_nplane
);
1718 v3_normalize( dir_nplane
);
1720 rb_effect_spring_target_vector( &localplayer
.rb
, fwd_nplane
, dir_nplane
,
1724 vg_line_arrow( localplayer
.rb
.co
, fwd_nplane
, 0.8f
, VG__RED
);
1725 vg_line_arrow( localplayer
.rb
.co
, dir_nplane
, 0.8f
, VG__RED
);
1727 v3f pos_front
= { 0.0f
, -k_board_radius
, -1.0f
* k_board_length
},
1728 pos_back
= { 0.0f
, -k_board_radius
, 1.0f
* k_board_length
},
1729 delta_front
, delta_back
, delta_total
;
1731 m4x3_mulv( localplayer
.rb
.to_world
, pos_front
, pos_front
);
1732 m4x3_mulv( localplayer
.rb
.to_world
, pos_back
, pos_back
);
1734 v3_sub( inf_front
->co
, pos_front
, delta_front
);
1735 v3_sub( inf_back
->co
, pos_back
, delta_back
);
1736 v3_add( delta_front
, delta_back
, delta_total
);
1738 v3_muladds( localplayer
.rb
.v
, delta_total
, 50.0f
* k_rb_delta
,
1742 struct grind_limit
*limit
=
1743 &player_skate
.limits
[ player_skate
.limit_count
++ ];
1744 v3_zero( limit
->ra
);
1745 m3x3_mulv( localplayer
.rb
.to_local
, inf_avg
.n
, limit
->n
);
1748 v3_copy( inf_avg
.dir
, player_skate
.grind_dir
);
1751 static int skate_grind_truck_renew( f32 sign
, struct grind_info
*inf
){
1752 struct player_skate_state
*state
= &player_skate
.state
;
1754 v3f wheel_co
= { 0.0f
, 0.0f
, sign
* k_board_length
},
1755 grind_co
= { 0.0f
, -k_board_radius
, sign
* k_board_length
};
1757 m4x3_mulv( localplayer
.rb
.to_world
, wheel_co
, wheel_co
);
1758 m4x3_mulv( localplayer
.rb
.to_world
, grind_co
, grind_co
);
1760 /* Exit condition: lost grind tracking */
1761 if( !skate_grind_scansq( grind_co
, localplayer
.rb
.v
, 0.3f
, inf
) )
1764 /* Exit condition: cant see grind target directly */
1765 if( !skate_point_visible( wheel_co
, inf
->co
) )
1768 /* Exit condition: minimum velocity not reached, but allow a bit of error */
1769 float dv
= fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)),
1770 minv
= k_grind_axel_min_vel
*0.8f
;
1775 if( fabsf(v3_dot( inf
->dir
, player_skate
.grind_dir
)) < k_grind_max_edge_angle
)
1778 v3_copy( inf
->dir
, player_skate
.grind_dir
);
1782 static int skate_grind_truck_entry( f32 sign
, struct grind_info
*inf
){
1783 struct player_skate_state
*state
= &player_skate
.state
;
1786 v3f ra
= { 0.0f
, -k_board_radius
, sign
* k_board_length
};
1789 m3x3_mulv( localplayer
.rb
.to_world
, ra
, raw
);
1790 v3_add( localplayer
.rb
.co
, raw
, wsp
);
1792 if( skate_grind_scansq( wsp
, localplayer
.rb
.v
, 0.3, inf
) ){
1793 if( fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)) < k_grind_axel_min_vel
)
1796 /* velocity should be at least 60% aligned */
1798 v3_cross( inf
->n
, inf
->dir
, axis
);
1799 v3_muladds( localplayer
.rb
.v
, inf
->n
,
1800 -v3_dot( localplayer
.rb
.v
, inf
->n
), pv
);
1802 if( v3_length2( pv
) < 0.0001f
)
1806 if( fabsf(v3_dot( pv
, inf
->dir
)) < k_grind_axel_max_angle
)
1809 if( v3_dot( localplayer
.rb
.v
, inf
->n
) > 0.5f
)
1812 v3f local_co
, local_dir
, local_n
;
1813 m4x3_mulv( localplayer
.rb
.to_local
, inf
->co
, local_co
);
1814 m3x3_mulv( localplayer
.rb
.to_local
, inf
->dir
, local_dir
);
1815 m3x3_mulv( localplayer
.rb
.to_local
, inf
->n
, local_n
);
1817 v2f delta
= { local_co
[0], local_co
[2] - k_board_length
*sign
};
1819 float truck_height
= -(k_board_radius
+0.03f
);
1822 v3_cross( localplayer
.rb
.w
, raw
, rv
);
1823 v3_add( localplayer
.rb
.v
, rv
, rv
);
1825 if( (local_co
[1] >= truck_height
) &&
1826 (v2_length2( delta
) <= k_board_radius
*k_board_radius
) )
1835 static void skate_boardslide_apply( struct grind_info
*inf
){
1836 struct player_skate_state
*state
= &player_skate
.state
;
1838 v3f local_co
, local_dir
, local_n
;
1839 m4x3_mulv( localplayer
.rb
.to_local
, inf
->co
, local_co
);
1840 m3x3_mulv( localplayer
.rb
.to_local
, inf
->dir
, local_dir
);
1841 m3x3_mulv( localplayer
.rb
.to_local
, inf
->n
, local_n
);
1844 v3_muladds( local_co
, local_dir
, local_co
[0]/-local_dir
[0],
1846 v3_copy( intersection
, player_skate
.weight_distribution
);
1848 skate_grind_decay( inf
, 0.0125f
);
1849 skate_grind_friction( inf
, 0.25f
);
1851 /* direction alignment */
1853 v3_cross( local_dir
, local_n
, perp
);
1854 v3_muls( local_dir
, vg_signf(local_dir
[0]), dir
);
1855 v3_muls( perp
, vg_signf(perp
[2]), perp
);
1857 m3x3_mulv( localplayer
.rb
.to_world
, dir
, dir
);
1858 m3x3_mulv( localplayer
.rb
.to_world
, perp
, perp
);
1861 q_axis_angle( qbalance
, dir
, local_co
[0]*k_grind_balance
);
1862 q_mulv( qbalance
, perp
, perp
);
1864 rb_effect_spring_target_vector( &localplayer
.rb
, localplayer
.rb
.to_world
[0],
1866 k_grind_spring
, k_grind_dampener
,
1869 rb_effect_spring_target_vector( &localplayer
.rb
, localplayer
.rb
.to_world
[2],
1871 k_grind_spring
, k_grind_dampener
,
1874 vg_line_arrow( localplayer
.rb
.co
, dir
, 0.5f
, VG__GREEN
);
1875 vg_line_arrow( localplayer
.rb
.co
, perp
, 0.5f
, VG__BLUE
);
1877 v3_copy( inf
->dir
, player_skate
.grind_dir
);
1880 static int skate_boardslide_entry( struct grind_info
*inf
){
1881 struct player_skate_state
*state
= &player_skate
.state
;
1883 if( skate_grind_scansq( localplayer
.rb
.co
,
1884 localplayer
.rb
.to_world
[0], k_board_length
,
1887 v3f local_co
, local_dir
;
1888 m4x3_mulv( localplayer
.rb
.to_local
, inf
->co
, local_co
);
1889 m3x3_mulv( localplayer
.rb
.to_local
, inf
->dir
, local_dir
);
1891 if( (fabsf(local_co
[2]) <= k_board_length
) && /* within wood area */
1892 (local_co
[1] >= 0.0f
) && /* at deck level */
1893 (fabsf(local_dir
[0]) >= 0.25f
) ) /* perpendicular to us */
1895 if( fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)) < k_grind_axel_min_vel
)
1905 static int skate_boardslide_renew( struct grind_info
*inf
){
1906 struct player_skate_state
*state
= &player_skate
.state
;
1908 if( !skate_grind_scansq( localplayer
.rb
.co
,
1909 localplayer
.rb
.to_world
[0], k_board_length
,
1913 /* Exit condition: cant see grind target directly */
1915 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1], 0.2f
, vis
);
1916 if( !skate_point_visible( vis
, inf
->co
) )
1919 /* Exit condition: minimum velocity not reached, but allow a bit of error */
1920 float dv
= fabsf(v3_dot( localplayer
.rb
.v
, inf
->dir
)),
1921 minv
= k_grind_axel_min_vel
*0.8f
;
1926 if( fabsf(v3_dot( inf
->dir
, player_skate
.grind_dir
)) < k_grind_max_edge_angle
)
1932 static void skate_store_grind_vec( struct grind_info
*inf
){
1933 struct player_skate_state
*state
= &player_skate
.state
;
1936 skate_grind_orient( inf
, mtx
);
1937 m3x3_transpose( mtx
, mtx
);
1940 v3_sub( inf
->co
, localplayer
.rb
.co
, raw
);
1942 m3x3_mulv( mtx
, raw
, player_skate
.grind_vec
);
1943 v3_normalize( player_skate
.grind_vec
);
1944 v3_copy( inf
->dir
, player_skate
.grind_dir
);
1947 static enum skate_activity
skate_availible_grind(void){
1948 struct player_skate_state
*state
= &player_skate
.state
;
1950 if( state
->grind_cooldown
> 100 ){
1951 vg_fatal_error( "wth!\n" );
1954 /* debounces this state manager a little bit */
1955 if( state
->grind_cooldown
){
1956 state
->grind_cooldown
--;
1957 return k_skate_activity_undefined
;
1960 struct grind_info inf_back50
,
1972 joystick_state( k_srjoystick_steer
, steer
);
1974 if( state
->activity
== k_skate_activity_grind_5050
||
1975 state
->activity
== k_skate_activity_grind_back50
||
1976 state
->activity
== k_skate_activity_grind_front50
)
1978 float tilt
= steer
[1];
1980 if( fabsf(tilt
) >= 0.25f
){
1981 v3f raw
= {0.0f
,0.0f
,tilt
};
1982 m3x3_mulv( localplayer
.rb
.to_world
, raw
, raw
);
1984 float way
= tilt
* vg_signf( v3_dot( raw
, localplayer
.rb
.v
) );
1986 if( way
< 0.0f
) allow_front
= 0;
1987 else allow_back
= 0;
1991 if( state
->activity
== k_skate_activity_grind_boardslide
){
1992 res_slide
= skate_boardslide_renew( &inf_slide
);
1994 else if( state
->activity
== k_skate_activity_grind_back50
){
1995 res_back50
= skate_grind_truck_renew( 1.0f
, &inf_back50
);
1998 res_front50
= skate_grind_truck_entry( -1.0f
, &inf_front50
);
2000 else if( state
->activity
== k_skate_activity_grind_front50
){
2001 res_front50
= skate_grind_truck_renew( -1.0f
, &inf_front50
);
2004 res_back50
= skate_grind_truck_entry( 1.0f
, &inf_back50
);
2006 else if( state
->activity
== k_skate_activity_grind_5050
){
2008 res_front50
= skate_grind_truck_renew( -1.0f
, &inf_front50
);
2010 res_back50
= skate_grind_truck_renew( 1.0f
, &inf_back50
);
2013 res_slide
= skate_boardslide_entry( &inf_slide
);
2016 res_back50
= skate_grind_truck_entry( 1.0f
, &inf_back50
);
2019 res_front50
= skate_grind_truck_entry( -1.0f
, &inf_front50
);
2021 if( res_back50
!= res_front50
){
2022 int wants_to_do_that
= fabsf(steer
[1]) >= 0.25f
;
2024 res_back50
&= wants_to_do_that
;
2025 res_front50
&= wants_to_do_that
;
2029 const enum skate_activity table
[] =
2030 { /* slide | back | front */
2031 k_skate_activity_undefined
, /* 0 0 0 */
2032 k_skate_activity_grind_front50
, /* 0 0 1 */
2033 k_skate_activity_grind_back50
, /* 0 1 0 */
2034 k_skate_activity_grind_5050
, /* 0 1 1 */
2036 /* slide has priority always */
2037 k_skate_activity_grind_boardslide
, /* 1 0 0 */
2038 k_skate_activity_grind_boardslide
, /* 1 0 1 */
2039 k_skate_activity_grind_boardslide
, /* 1 1 0 */
2040 k_skate_activity_grind_boardslide
, /* 1 1 1 */
2042 , new_activity
= table
[ res_slide
<< 2 | res_back50
<< 1 | res_front50
];
2044 if( new_activity
== k_skate_activity_undefined
){
2045 if( state
->activity
>= k_skate_activity_grind_any
){
2046 state
->grind_cooldown
= 15;
2047 state
->surface_cooldown
= 10;
2050 else if( new_activity
== k_skate_activity_grind_boardslide
){
2051 skate_boardslide_apply( &inf_slide
);
2053 else if( new_activity
== k_skate_activity_grind_back50
){
2054 if( state
->activity
!= k_skate_activity_grind_back50
)
2055 skate_store_grind_vec( &inf_back50
);
2057 skate_grind_truck_apply( 1.0f
, &inf_back50
, 1.0f
);
2059 else if( new_activity
== k_skate_activity_grind_front50
){
2060 if( state
->activity
!= k_skate_activity_grind_front50
)
2061 skate_store_grind_vec( &inf_front50
);
2063 skate_grind_truck_apply( -1.0f
, &inf_front50
, 1.0f
);
2065 else if( new_activity
== k_skate_activity_grind_5050
)
2066 skate_5050_apply( &inf_front50
, &inf_back50
);
2068 return new_activity
;
2071 static void player__skate_update(void){
2072 struct player_skate_state
*state
= &player_skate
.state
;
2073 world_instance
*world
= world_current_instance();
2075 if( world
->water
.enabled
){
2076 if( localplayer
.rb
.co
[1]+0.25f
< world
->water
.height
){
2077 player__networked_sfx( k_player_subsystem_walk
, 32,
2078 k_player_walk_soundeffect_splash
,
2079 localplayer
.rb
.co
, 1.0f
);
2080 player__skate_kill_audio();
2081 player__dead_transition( k_player_die_type_generic
);
2086 v3_copy( localplayer
.rb
.co
, state
->prev_pos
);
2087 state
->activity_prev
= state
->activity
;
2089 v3_zero( normal_total
);
2091 struct board_collider
2098 enum board_collider_state
2100 k_collider_state_default
,
2101 k_collider_state_disabled
,
2102 k_collider_state_colliding
2109 { 0.0f
, 0.0f
, -k_board_length
},
2110 .radius
= k_board_radius
,
2114 { 0.0f
, 0.0f
, k_board_length
},
2115 .radius
= k_board_radius
,
2122 if( state
->activity
<= k_skate_activity_air_to_grind
){
2123 float min_dist
= 0.6f
;
2124 for( int i
=0; i
<2; i
++ ){
2126 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, wpos
);
2128 if( bh_closest_point( world
->geo_bh
, wpos
, closest
, min_dist
) != -1 ){
2129 min_dist
= vg_minf( min_dist
, v3_dist( closest
, wpos
) );
2133 float vy
= vg_maxf( 0.0f
, localplayer
.rb
.v
[1] );
2134 slap
= vg_clampf( (min_dist
/0.5f
) + vy
, 0.0f
, 1.0f
)*0.3f
;
2136 state
->slap
= vg_lerpf( state
->slap
, slap
, 10.0f
*k_rb_delta
);
2138 wheels
[0].pos
[1] = state
->slap
;
2139 wheels
[1].pos
[1] = state
->slap
;
2142 const int k_wheel_count
= 2;
2144 player_skate
.substep
= k_rb_delta
;
2145 player_skate
.substep_delta
= player_skate
.substep
;
2146 player_skate
.limit_count
= 0;
2148 int substep_count
= 0;
2150 v3_zero( player_skate
.surface_picture
);
2152 int prev_contacts
[2];
2154 for( int i
=0; i
<k_wheel_count
; i
++ ){
2155 wheels
[i
].state
= k_collider_state_default
;
2156 prev_contacts
[i
] = player_skate
.wheel_contacts
[i
];
2159 /* check if we can enter or continue grind */
2160 enum skate_activity grindable_activity
= skate_availible_grind();
2161 if( grindable_activity
!= k_skate_activity_undefined
){
2162 state
->activity
= grindable_activity
;
2166 int contact_count
= 0;
2167 for( int i
=0; i
<2; i
++ ){
2169 v3_copy( localplayer
.rb
.to_world
[0], axel
);
2171 if( skate_compute_surface_alignment( wheels
[i
].pos
,
2172 wheels
[i
].colour
, normal
, axel
) )
2174 rb_effect_spring_target_vector( &localplayer
.rb
,
2175 localplayer
.rb
.to_world
[0],
2177 k_surface_spring
, k_surface_dampener
,
2178 player_skate
.substep_delta
);
2180 v3_add( normal
, player_skate
.surface_picture
,
2181 player_skate
.surface_picture
);
2183 player_skate
.wheel_contacts
[i
] = 1;
2186 player_skate
.wheel_contacts
[i
] = 0;
2189 m3x3_mulv( localplayer
.rb
.to_local
, axel
, player_skate
.truckv0
[i
] );
2192 if( state
->surface_cooldown
){
2193 state
->surface_cooldown
--;
2197 if( (prev_contacts
[0]+prev_contacts
[1] == 1) && (contact_count
== 2) ){
2198 for( int i
=0; i
<2; i
++ ){
2199 if( !prev_contacts
[i
] ){
2201 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, co
);
2202 player__networked_sfx( k_player_subsystem_skate
, 32,
2203 k_player_skate_soundeffect_tap
,
2204 localplayer
.rb
.co
, 0.75f
);
2209 if( contact_count
){
2210 state
->activity
= k_skate_activity_ground
;
2211 state
->gravity_bias
= k_gravity
;
2212 v3_normalize( player_skate
.surface_picture
);
2214 skate_apply_friction_model();
2215 skate_weight_distribute();
2218 if( state
->activity
> k_skate_activity_air_to_grind
)
2219 state
->activity
= k_skate_activity_air
;
2221 v3_zero( player_skate
.weight_distribution
);
2222 skate_apply_air_model();
2227 if( state
->activity
== k_skate_activity_grind_back50
)
2228 wheels
[1].state
= k_collider_state_disabled
;
2229 if( state
->activity
== k_skate_activity_grind_front50
)
2230 wheels
[0].state
= k_collider_state_disabled
;
2231 if( state
->activity
== k_skate_activity_grind_5050
){
2232 wheels
[0].state
= k_collider_state_disabled
;
2233 wheels
[1].state
= k_collider_state_disabled
;
2236 /* all activities */
2237 skate_apply_steering_model();
2238 skate_adjust_up_direction();
2239 skate_apply_cog_model();
2240 skate_apply_jump_model();
2241 skate_apply_grab_model();
2242 skate_apply_trick_model();
2243 skate_apply_pump_model();
2248 * Phase 0: Continous collision detection
2249 * --------------------------------------------------------------------------
2252 v3f head_wp0
, head_wp1
, start_co
;
2253 m4x3_mulv( localplayer
.rb
.to_world
, state
->head_position
, head_wp0
);
2254 v3_copy( localplayer
.rb
.co
, start_co
);
2256 /* calculate transform one step into future */
2259 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.v
, player_skate
.substep
,
2262 if( v3_length2( localplayer
.rb
.w
) > 0.0f
){
2265 v3_copy( localplayer
.rb
.w
, axis
);
2267 float mag
= v3_length( axis
);
2268 v3_divs( axis
, mag
, axis
);
2269 q_axis_angle( rotation
, axis
, mag
*player_skate
.substep
);
2270 q_mul( rotation
, localplayer
.rb
.q
, future_q
);
2271 q_normalize( future_q
);
2274 v4_copy( localplayer
.rb
.q
, future_q
);
2276 v3f future_cg
, current_cg
, cg_offset
;
2277 q_mulv( localplayer
.rb
.q
, player_skate
.weight_distribution
, current_cg
);
2278 q_mulv( future_q
, player_skate
.weight_distribution
, future_cg
);
2279 v3_sub( future_cg
, current_cg
, cg_offset
);
2281 /* calculate the minimum time we can move */
2282 float max_time
= player_skate
.substep
;
2284 for( int i
=0; i
<k_wheel_count
; i
++ ){
2285 if( wheels
[i
].state
== k_collider_state_disabled
)
2288 v3f current
, future
, r_cg
;
2290 q_mulv( future_q
, wheels
[i
].pos
, future
);
2291 v3_add( future
, future_co
, future
);
2292 v3_add( cg_offset
, future
, future
);
2294 q_mulv( localplayer
.rb
.q
, wheels
[i
].pos
, current
);
2295 v3_add( current
, localplayer
.rb
.co
, current
);
2300 float cast_radius
= wheels
[i
].radius
- k_penetration_slop
* 2.0f
;
2301 if( spherecast_world( world
, current
, future
, cast_radius
, &t
, n
,
2302 k_material_flag_walking
) != -1)
2303 max_time
= vg_minf( max_time
, t
* player_skate
.substep
);
2306 /* clamp to a fraction of delta, to prevent locking */
2307 float rate_lock
= substep_count
;
2308 rate_lock
*= k_rb_delta
* 0.1f
;
2309 rate_lock
*= rate_lock
;
2311 max_time
= vg_maxf( max_time
, rate_lock
);
2312 player_skate
.substep_delta
= max_time
;
2315 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.v
,
2316 player_skate
.substep_delta
, localplayer
.rb
.co
);
2317 if( v3_length2( localplayer
.rb
.w
) > 0.0f
){
2320 v3_copy( localplayer
.rb
.w
, axis
);
2322 float mag
= v3_length( axis
);
2323 v3_divs( axis
, mag
, axis
);
2324 q_axis_angle( rotation
, axis
, mag
*player_skate
.substep_delta
);
2325 q_mul( rotation
, localplayer
.rb
.q
, localplayer
.rb
.q
);
2326 q_normalize( localplayer
.rb
.q
);
2328 q_mulv( localplayer
.rb
.q
, player_skate
.weight_distribution
, future_cg
);
2329 v3_sub( current_cg
, future_cg
, cg_offset
);
2330 v3_add( localplayer
.rb
.co
, cg_offset
, localplayer
.rb
.co
);
2333 rb_update_transform( &localplayer
.rb
);
2334 localplayer
.rb
.v
[1] += -state
->gravity_bias
* player_skate
.substep_delta
;
2336 player_skate
.substep
-= player_skate
.substep_delta
;
2338 rb_ct manifold
[128];
2339 int manifold_len
= 0;
2341 * Phase -1: head detection
2342 * --------------------------------------------------------------------------
2344 m4x3_mulv( localplayer
.rb
.to_world
, state
->head_position
, head_wp1
);
2348 if( (v3_dist2( head_wp0
, head_wp1
) > 0.001f
) &&
2349 (spherecast_world( world
, head_wp0
, head_wp1
, 0.2f
, &t
, n
,
2350 k_material_flag_walking
) != -1) )
2352 v3_lerp( start_co
, localplayer
.rb
.co
, t
, localplayer
.rb
.co
);
2353 rb_update_transform( &localplayer
.rb
);
2355 player__skate_kill_audio();
2356 player__dead_transition( k_player_die_type_head
);
2361 * Phase 1: Regular collision detection
2362 * --------------------------------------------------------------------------
2365 for( int i
=0; i
<k_wheel_count
; i
++ ){
2366 if( wheels
[i
].state
== k_collider_state_disabled
)
2370 m3x3_identity( mtx
);
2371 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, mtx
[3] );
2373 rb_sphere collider
= { .radius
= wheels
[i
].radius
};
2375 rb_ct
*man
= &manifold
[ manifold_len
];
2377 int l
= skate_collide_smooth( mtx
, &collider
, man
);
2379 wheels
[i
].state
= k_collider_state_colliding
;
2384 float grind_radius
= k_board_radius
* 0.75f
;
2385 rb_capsule capsule
= { .height
= (k_board_length
+0.2f
)*2.0f
,
2386 .radius
=grind_radius
};
2388 v3_muls( localplayer
.rb
.to_world
[0], 1.0f
, mtx
[0] );
2389 v3_muls( localplayer
.rb
.to_world
[2], -1.0f
, mtx
[1] );
2390 v3_muls( localplayer
.rb
.to_world
[1], 1.0f
, mtx
[2] );
2391 v3_muladds( localplayer
.rb
.to_world
[3], localplayer
.rb
.to_world
[1],
2392 grind_radius
+ k_board_radius
*0.25f
+state
->slap
, mtx
[3] );
2394 rb_ct
*cman
= &manifold
[manifold_len
];
2396 int l
= rb_capsule__scene( mtx
, &capsule
, NULL
, &world
->rb_geo
.inf
.scene
,
2397 cman
, k_material_flag_walking
);
2400 for( int i
=0; i
<l
; i
++ )
2401 cman
[l
].type
= k_contact_type_edge
;
2402 rb_manifold_filter_joint_edges( cman
, l
, 0.03f
);
2403 l
= rb_manifold_apply_filtered( cman
, l
);
2408 vg_line_capsule( mtx
, capsule
.radius
, capsule
.height
, VG__WHITE
);
2411 if( state
->activity
>= k_skate_activity_grind_any
){
2412 for( int i
=0; i
<player_skate
.limit_count
; i
++ ){
2413 struct grind_limit
*limit
= &player_skate
.limits
[i
];
2414 rb_ct
*ct
= &manifold
[ manifold_len
++ ];
2415 m4x3_mulv( localplayer
.rb
.to_world
, limit
->ra
, ct
->co
);
2416 m3x3_mulv( localplayer
.rb
.to_world
, limit
->n
, ct
->n
);
2418 ct
->type
= k_contact_type_default
;
2424 * --------------------------------------------------------------------------
2429 m4x3_mulv( localplayer
.rb
.to_world
,
2430 player_skate
.weight_distribution
, world_cog
);
2431 vg_line_point( world_cog
, 0.02f
, VG__BLACK
);
2433 for( int i
=0; i
<manifold_len
; i
++ ){
2434 rb_prepare_contact( &manifold
[i
], player_skate
.substep_delta
);
2435 rb_debug_contact( &manifold
[i
] );
2438 /* yes, we are currently rebuilding mass matrices every frame. too bad! */
2439 v3f extent
= { k_board_width
*10.0f
, 0.1f
, k_board_length
};
2440 float ex2
= k_board_interia
*extent
[0]*extent
[0],
2441 ey2
= k_board_interia
*extent
[1]*extent
[1],
2442 ez2
= k_board_interia
*extent
[2]*extent
[2];
2444 float mass
= 2.0f
* (extent
[0]*extent
[1]*extent
[2]);
2445 float inv_mass
= 1.0f
/mass
;
2448 I
[0] = ((1.0f
/12.0f
) * mass
* (ey2
+ez2
));
2449 I
[1] = ((1.0f
/12.0f
) * mass
* (ex2
+ez2
));
2450 I
[2] = ((1.0f
/12.0f
) * mass
* (ex2
+ey2
));
2453 m3x3_identity( iI
);
2460 m3x3_mul( iI
, localplayer
.rb
.to_local
, iIw
);
2461 m3x3_mul( localplayer
.rb
.to_world
, iIw
, iIw
);
2463 for( int j
=0; j
<10; j
++ ){
2464 for( int i
=0; i
<manifold_len
; i
++ ){
2466 * regular dance; calculate velocity & total mass, apply impulse.
2469 struct contact
*ct
= &manifold
[i
];
2472 v3_sub( ct
->co
, world_cog
, delta
);
2473 v3_cross( localplayer
.rb
.w
, delta
, rv
);
2474 v3_add( localplayer
.rb
.v
, rv
, rv
);
2477 v3_cross( delta
, ct
->n
, raCn
);
2480 m3x3_mulv( iIw
, raCn
, raCnI
);
2482 float normal_mass
= 1.0f
/ (inv_mass
+ v3_dot(raCn
,raCnI
)),
2483 vn
= v3_dot( rv
, ct
->n
),
2484 lambda
= normal_mass
* ( -vn
);
2486 float temp
= ct
->norm_impulse
;
2487 ct
->norm_impulse
= vg_maxf( temp
+ lambda
, 0.0f
);
2488 lambda
= ct
->norm_impulse
- temp
;
2491 v3_muls( ct
->n
, lambda
, impulse
);
2493 v3_muladds( normal_total
, impulse
, inv_mass
, normal_total
);
2494 v3_muladds( localplayer
.rb
.v
, impulse
, inv_mass
, localplayer
.rb
.v
);
2495 v3_cross( delta
, impulse
, impulse
);
2496 m3x3_mulv( iIw
, impulse
, impulse
);
2497 v3_add( impulse
, localplayer
.rb
.w
, localplayer
.rb
.w
);
2499 v3_cross( localplayer
.rb
.w
, delta
, rv
);
2500 v3_add( localplayer
.rb
.v
, rv
, rv
);
2501 vn
= v3_dot( rv
, ct
->n
);
2506 rb_depenetrate( manifold
, manifold_len
, dt
);
2507 v3_add( dt
, localplayer
.rb
.co
, localplayer
.rb
.co
);
2508 rb_update_transform( &localplayer
.rb
);
2512 if( player_skate
.substep
>= 0.0001f
)
2513 goto begin_collision
; /* again! */
2516 * End of collision and dynamics routine
2517 * --------------------------------------------------------------------------
2520 f32 nforce
= v3_length(normal_total
);
2521 if( nforce
> 4.0f
){
2522 if( nforce
> 17.6f
){
2523 v3_muladds( localplayer
.rb
.v
, normal_total
, -1.0f
, localplayer
.rb
.v
);
2524 player__dead_transition( k_player_die_type_feet
);
2525 player__skate_kill_audio();
2529 f32 amt
= k_cam_punch
;
2530 if( localplayer
.cam_control
.camera_mode
== k_cam_firstperson
){
2534 v3_muladds( localplayer
.cam_land_punch_v
, normal_total
, amt
,
2535 localplayer
.cam_land_punch_v
);
2538 player_skate
.surface
= k_surface_prop_concrete
;
2540 for( int i
=0; i
<manifold_len
; i
++ ){
2541 rb_ct
*ct
= &manifold
[i
];
2542 struct world_surface
*surf
= world_contact_surface( world
, ct
);
2544 if( surf
->info
.surface_prop
> player_skate
.surface
)
2545 player_skate
.surface
= surf
->info
.surface_prop
;
2548 for( int i
=0; i
<k_wheel_count
; i
++ ){
2550 m3x3_copy( localplayer
.rb
.to_world
, mtx
);
2551 m4x3_mulv( localplayer
.rb
.to_world
, wheels
[i
].pos
, mtx
[3] );
2552 vg_line_sphere( mtx
, wheels
[i
].radius
,
2553 (u32
[]){ VG__WHITE
, VG__BLACK
,
2554 wheels
[i
].colour
}[ wheels
[i
].state
]);
2558 vg_line_point( state
->cog
, 0.02f
, VG__WHITE
);
2560 u32 id
= world_intersect_gates( world
, localplayer
.rb
.co
, state
->prev_pos
);
2563 ent_gate
*gate
= mdl_arritm( &world
->ent_gate
, mdl_entity_id_id(id
) );
2565 m4x3_mulv( gate
->transport
, localplayer
.rb
.co
, localplayer
.rb
.co
);
2566 m3x3_mulv( gate
->transport
, localplayer
.rb
.v
, localplayer
.rb
.v
);
2567 m4x3_mulv( gate
->transport
, state
->cog
, state
->cog
);
2568 m3x3_mulv( gate
->transport
, state
->cog_v
, state
->cog_v
);
2569 m3x3_mulv( gate
->transport
, state
->throw_v
, state
->throw_v
);
2570 m3x3_mulv( gate
->transport
, state
->head_position
,
2571 state
->head_position
);
2572 m3x3_mulv( gate
->transport
, state
->up_dir
, state
->up_dir
);
2574 v4f transport_rotation
;
2575 m3x3_q( gate
->transport
, transport_rotation
);
2576 q_mul( transport_rotation
, localplayer
.rb
.q
, localplayer
.rb
.q
);
2577 q_mul( transport_rotation
, state
->smoothed_rotation
,
2578 state
->smoothed_rotation
);
2579 rb_update_transform( &localplayer
.rb
);
2580 player__pass_gate( id
);
2583 /* FIXME: Rate limit */
2584 static int stick_frames
= 0;
2586 if( state
->activity
>= k_skate_activity_ground
)
2591 if( stick_frames
> 5 ) stick_frames
= 5;
2593 if( stick_frames
== 4 ){
2594 if( state
->activity
== k_skate_activity_ground
){
2595 if( (fabsf(state
->slip
) > 0.75f
) ){
2596 player__networked_sfx( k_player_subsystem_skate
, 128,
2597 k_player_skate_soundeffect_land_bad
,
2598 localplayer
.rb
.co
, 0.6f
);
2601 player__networked_sfx( k_player_subsystem_skate
, 128,
2602 k_player_skate_soundeffect_land_good
,
2603 localplayer
.rb
.co
, 1.0f
);
2606 else if( player_skate
.surface
== k_surface_prop_metal
){
2607 player__networked_sfx( k_player_subsystem_skate
, 128,
2608 k_player_skate_soundeffect_grind_metal
,
2609 localplayer
.rb
.co
, 1.0f
);
2612 player__networked_sfx( k_player_subsystem_skate
, 128,
2613 k_player_skate_soundeffect_grind_wood
,
2614 localplayer
.rb
.co
, 1.0f
);
2616 } else if( stick_frames
== 0 ){
2617 /* TODO: EXIT SOUNDS */
2620 if( (state
->activity_prev
< k_skate_activity_grind_any
) &&
2621 (state
->activity
>= k_skate_activity_grind_any
) ){
2622 state
->velocity_limit
= v3_length( localplayer
.rb
.v
)*1.0f
;
2623 state
->grind_y_start
= localplayer
.rb
.co
[1];
2626 if( state
->activity
>= k_skate_activity_grind_any
){
2627 f32 dy
= localplayer
.rb
.co
[1] - state
->grind_y_start
;
2629 state
->velocity_limit
+= -dy
*0.2f
;
2631 state
->grind_y_start
= localplayer
.rb
.co
[1];
2634 f32 speed_end
= v3_length( localplayer
.rb
.v
);
2635 if( speed_end
> state
->velocity_limit
){
2636 v3_muls( localplayer
.rb
.v
, state
->velocity_limit
/speed_end
,
2642 static void player__skate_im_gui(void){
2643 struct player_skate_state
*state
= &player_skate
.state
;
2644 player__debugtext( 1, "V: %5.2f %5.2f %5.2f",localplayer
.rb
.v
[0],
2645 localplayer
.rb
.v
[1],
2646 localplayer
.rb
.v
[2] );
2647 player__debugtext( 1, "CO: %5.2f %5.2f %5.2f",localplayer
.rb
.co
[0],
2648 localplayer
.rb
.co
[1],
2649 localplayer
.rb
.co
[2] );
2650 player__debugtext( 1, "W: %5.2f %5.2f %5.2f",localplayer
.rb
.w
[0],
2651 localplayer
.rb
.w
[1],
2652 localplayer
.rb
.w
[2] );
2654 const char *activity_txt
[] = {
2658 "undefined (INVALID)",
2659 "grind_any (INVALID)",
2661 "grind_metallic (INVALID)",
2667 player__debugtext( 1, "activity: %s", activity_txt
[state
->activity
] );
2669 player__debugtext( 1, "steer_s: %5.2f %5.2f [%.2f %.2f]",
2670 state
->steerx_s
, state
->steery_s
,
2671 k_steer_ground
, k_steer_air
);
2673 player__debugtext( 1, "flip: %.4f %.4f", state
->flip_rate
,
2675 player__debugtext( 1, "trickv: %.2f %.2f %.2f",
2676 state
->trick_vel
[0],
2677 state
->trick_vel
[1],
2678 state
->trick_vel
[2] );
2679 player__debugtext( 1, "tricke: %.2fs %.2f %.2f %.2f",
2681 state
->trick_euler
[0],
2682 state
->trick_euler
[1],
2683 state
->trick_euler
[2] );
2686 static void player__skate_animate(void){
2687 struct player_skate_state
*state
= &player_skate
.state
;
2688 struct player_skate_animator
*animator
= &player_skate
.animator
;
2691 float kheight
= 2.0f
,
2694 v3_zero( animator
->offset
);
2696 v3f cog_local
, cog_ideal
;
2697 m4x3_mulv( localplayer
.rb
.to_local
, state
->cog
, cog_local
);
2699 v3_copy( state
->up_dir
, cog_ideal
);
2700 v3_normalize( cog_ideal
);
2701 m3x3_mulv( localplayer
.rb
.to_local
, cog_ideal
, cog_ideal
);
2703 v3_sub( cog_ideal
, cog_local
, animator
->offset
);
2705 v3_muls( animator
->offset
, 4.0f
, animator
->offset
);
2706 animator
->offset
[1] *= -1.0f
;
2708 float curspeed
= v3_length( localplayer
.rb
.v
),
2709 kickspeed
= vg_clampf( curspeed
*(1.0f
/40.0f
), 0.0f
, 1.0f
),
2710 kicks
= (vg_randf64(&vg
.rand
)-0.5f
)*2.0f
*kickspeed
,
2711 sign
= vg_signf( kicks
);
2713 animator
->wobble
[0] = vg_lerpf( animator
->wobble
[0], kicks
*kicks
*sign
,
2714 6.0f
*vg
.time_delta
);
2715 animator
->wobble
[1] = vg_lerpf( animator
->wobble
[1], animator
->wobble
[0],
2716 2.4f
*vg
.time_delta
);
2718 animator
->offset
[0] *= 0.26f
;
2719 animator
->offset
[0] += animator
->wobble
[1]*3.0f
;
2721 animator
->offset
[1] *= -0.3f
;
2722 animator
->offset
[2] *= 0.01f
;
2724 animator
->offset
[0]=vg_clampf(animator
->offset
[0],-0.8f
,0.8f
)*
2725 (1.0f
-fabsf(animator
->slide
)*0.9f
);
2726 animator
->offset
[1]=vg_clampf(animator
->offset
[1],-0.5f
,0.0f
);
2729 v3_mul( animator
->offset
, (v3f
){1.0f
,0.3f
,1.0f
}, cam_offset
);
2731 /* localized vectors */
2732 m4x3_mulv( localplayer
.rb
.to_local
, state
->cog
, animator
->local_cog
);
2735 * Animation blending
2736 * ===========================================
2741 float desired
= 0.0f
;
2742 if( state
->activity
== k_skate_activity_ground
)
2743 desired
= vg_clampf( vg_maxf(fabsf( state
->slip
),
2744 fabsf( state
->skid
) ), 0.0f
, 1.0f
);
2746 animator
->slide
= vg_lerpf( animator
->slide
, desired
, 2.4f
*vg
.time_delta
);
2749 if( fabsf(state
->slip
) > fabsf(dirx
) ) dirx
= state
->slip
;
2750 if( fabsf(state
->skid
) > fabsf(dirx
) ) dirx
= state
->skid
;
2751 if( fabsf( dirx
) > 0.025f
) dirx
= vg_signf( dirx
);
2752 dirx
= vg_signf( state
->slip
);
2753 vg_slewf( &animator
->x
, dirx
, 2.6f
*vg
.time_delta
);
2756 cam_offset
[0] += animator
->slide
* -animator
->x
;
2757 v3_copy( cam_offset
, localplayer
.cam_control
.tpv_offset_extra
);
2759 /* movement information */
2760 int iair
= state
->activity
<= k_skate_activity_air_to_grind
;
2762 float dirz
= state
->reverse
> 0.0f
? 0.0f
: 1.0f
,
2763 fly
= iair
? 1.0f
: 0.0f
,
2764 wdist
= player_skate
.weight_distribution
[2] / k_board_length
;
2766 if( state
->activity
>= k_skate_activity_grind_any
)
2769 animator
->z
= vg_lerpf( animator
->z
, dirz
, 2.4f
*vg
.time_delta
);
2770 animator
->skid
= state
->skid
;
2771 animator
->fly
= vg_lerpf( animator
->fly
, fly
, 3.4f
*vg
.time_delta
);
2772 animator
->weight
= vg_lerpf( animator
->weight
, wdist
, 9.0f
*vg
.time_delta
);
2774 float stand
= 1.0f
- vg_clampf( curspeed
* 0.03f
, 0.0f
, 1.0f
);
2775 animator
->stand
= vg_lerpf( animator
->stand
, stand
, 6.0f
*vg
.time_delta
);
2776 animator
->reverse
= state
->reverse
;
2778 if( fabsf(state
->slip
) > 0.3f
){
2779 f32 slide_x
= v3_dot(localplayer
.rb
.v
, localplayer
.rb
.to_world
[0]);
2780 state
->delayed_slip_dir
= vg_signf(slide_x
);
2784 f32 grind
=state
->activity
>= k_skate_activity_grind_any
? 1.0f
: 0.0f
;
2785 animator
->grind
= vg_lerpf( animator
->grind
, grind
, 5.0f
*vg
.time_delta
);
2787 f32 grind_frame
= 0.5f
;
2789 if( state
->activity
== k_skate_activity_grind_front50
)
2791 else if( state
->activity
== k_skate_activity_grind_back50
)
2794 animator
->grind_balance
= vg_lerpf( animator
->grind_balance
, grind_frame
,
2795 5.0f
*vg
.time_delta
);
2796 animator
->activity
= state
->activity
;
2799 animator
->push_time
= vg
.time
- state
->start_push
;
2800 animator
->push
= vg_lerpf( animator
->push
,
2801 (vg
.time
- state
->cur_push
) < 0.125,
2802 6.0f
*vg
.time_delta
);
2805 animator
->jump_charge
= state
->jump_charge
;
2806 animator
->jump
= vg_lerpf( animator
->jump
, animator
->jump_charge
,
2807 8.4f
*vg
.time_delta
);
2810 animator
->jump_dir
= state
->jump_dir
;
2811 f32 jump_start_frame
= 14.0f
/30.0f
;
2812 animator
->jump_time
= animator
->jump_charge
* jump_start_frame
;
2813 f32 jump_frame
= (vg
.time
- state
->jump_time
) + jump_start_frame
;
2814 if( jump_frame
>= jump_start_frame
&& jump_frame
<= (40.0f
/30.0f
) )
2815 animator
->jump_time
= jump_frame
;
2818 float jump_t
= vg
.time
-state
->jump_time
;
2821 float extra
= h
*exp(1.0-h
) * (state
->jump_dir
?1.0f
:-1.0f
);
2822 extra
*= state
->slap
* 4.0f
;
2824 v3_add( state
->trick_euler
, state
->trick_residuald
,
2825 animator
->board_euler
);
2826 v3_muls( animator
->board_euler
, VG_TAUf
, animator
->board_euler
);
2828 animator
->board_euler
[0] *= 0.5f
;
2829 animator
->board_euler
[1] += extra
;
2830 animator
->trick_type
= state
->trick_type
;
2833 f32 lean1
, lean2
= animator
->steer
[0] * animator
->reverse
* -0.36f
,
2836 lean1
= animator
->slide
* animator
->delayed_slip_dir
;
2837 if( fabsf(lean1
)>fabsf(lean2
) ) lean
= lean1
;
2840 if( ((int)roundf(animator
->board_euler
[0]/VG_PIf
)) % 2 ) lean
= -lean
;
2841 lean
= vg_clampf( lean
, -1.0f
, 1.0f
);
2842 animator
->board_lean
=
2843 vg_lerpf(animator
->board_lean
, lean
, vg
.time_delta
*18.0f
);
2845 /* feet placement */
2846 struct player_board
*board
=
2847 addon_cache_item_if_loaded( k_addon_type_board
,
2848 localplayer
.board_view_slot
);
2850 if( animator
->weight
> 0.0f
){
2851 animator
->foot_offset
[0] =
2852 board
->truck_positions
[k_board_truck_back
][2]+0.3f
;
2855 animator
->foot_offset
[1] =
2856 board
->truck_positions
[k_board_truck_front
][2]-0.3f
;
2860 f32 slapm
= vg_maxf( 1.0f
-v3_length2( state
->trick_vel
), 0.0f
);
2861 animator
->slap
= state
->slap
;
2862 animator
->subslap
= vg_lerpf( animator
->subslap
, slapm
,
2863 vg
.time_delta
*10.0f
);
2866 f32 l
= ((state
->activity
< k_skate_activity_ground
) &&
2867 v3_length2(state
->trick_vel
) > 0.1f
)? 1: 0;
2868 animator
->trick_foot
= vg_lerpf( animator
->trick_foot
, l
,
2869 8.4f
*vg
.time_delta
);
2872 animator
->trick_foot
= vg_exp_impulse( state
->trick_time
, 5.0f
);
2876 joystick_state( k_srjoystick_grab
, grab_input
);
2877 v2_add( state
->grab_mouse_delta
, grab_input
, grab_input
);
2879 if( v2_length2( grab_input
) <= 0.001f
) grab_input
[0] = -1.0f
;
2880 else v2_normalize_clamp( grab_input
);
2881 v2_lerp( animator
->grab
, grab_input
, 2.4f
*vg
.time_delta
, animator
->grab
);
2882 animator
->grabbing
= state
->grabbing
;
2886 joystick_state( k_srjoystick_steer
, steer
);
2887 animator
->airdir
= vg_lerpf( animator
->airdir
,
2888 -steer
[0], 2.4f
*vg
.time_delta
);
2890 animator
->steer
[0] = steer
[0];
2891 animator
->steer
[1] = vg_lerpf( animator
->steer
[1],
2892 steer
[0], 4.0f
*vg
.time_delta
);
2896 if( (state
->activity
<= k_skate_activity_air_to_grind
) &&
2897 (fabsf(state
->flip_rate
) > 0.01f
) ){
2898 float substep
= vg
.time_fixed_extrapolate
;
2899 float t
= state
->flip_time
+state
->flip_rate
*substep
*k_rb_delta
;
2900 sign
= vg_signf( t
);
2902 t
= 1.0f
- vg_minf( 1.0f
, fabsf( t
* 1.1f
) );
2903 t
= sign
* (1.0f
-t
*t
);
2905 f32 angle
= vg_clampf( t
, -1.0f
, 1.0f
) * VG_TAUf
,
2906 distm
= state
->land_dist
* fabsf(state
->flip_rate
) * 3.0f
,
2907 blend
= vg_clampf( 1.0f
-distm
, 0.0f
, 1.0f
);
2908 angle
= vg_lerpf( angle
, vg_signf(state
->flip_rate
)*VG_TAUf
, blend
);
2909 q_axis_angle( animator
->qflip
, state
->flip_axis
, angle
);
2912 q_identity( animator
->qflip
);
2914 /* counter-rotation */
2915 if( v3_length2( state
->up_dir
) > 0.001f
){
2916 v4_lerp( state
->smoothed_rotation
, localplayer
.rb
.q
,
2917 2.0f
*vg
.time_frame_delta
,
2918 state
->smoothed_rotation
);
2919 q_normalize( state
->smoothed_rotation
);
2921 v3f yaw_smooth
= {1.0f
,0.0f
,0.0f
};
2922 q_mulv( state
->smoothed_rotation
, yaw_smooth
, yaw_smooth
);
2923 m3x3_mulv( localplayer
.rb
.to_local
, yaw_smooth
, yaw_smooth
);
2924 yaw_smooth
[1] = 0.0f
;
2925 v3_normalize( yaw_smooth
);
2927 f32 yaw_counter_rotate
= yaw_smooth
[0];
2928 yaw_counter_rotate
= vg_maxf( 0.7f
, yaw_counter_rotate
);
2929 yaw_counter_rotate
= acosf( yaw_counter_rotate
);
2930 yaw_counter_rotate
*= 1.0f
-animator
->fly
;
2933 m3x3_mulv( localplayer
.rb
.to_local
, state
->up_dir
, ndir
);
2934 v3_normalize( ndir
);
2936 v3f up
= { 0.0f
, 1.0f
, 0.0f
};
2937 float a
= v3_dot( ndir
, up
);
2938 a
= acosf( vg_clampf( a
, -1.0f
, 1.0f
) );
2941 v4f qcounteryaw
, qfixup
;
2943 v3_cross( up
, ndir
, axis
);
2944 q_axis_angle( qfixup
, axis
, a
*2.0f
);
2946 v3_cross( (v3f
){1.0f
,0.0f
,0.0f
}, yaw_smooth
, axis
);
2947 q_axis_angle( qcounteryaw
, axis
, yaw_counter_rotate
);
2949 q_mul( qcounteryaw
, qfixup
, animator
->qfixuptotal
);
2950 q_normalize( animator
->qfixuptotal
);
2953 m3x3_mulv( localplayer
.rb
.to_world
, up
, p1
);
2954 m3x3_mulv( localplayer
.rb
.to_world
, ndir
, p2
);
2956 vg_line_arrow( localplayer
.rb
.co
, p1
, 0.5f
, VG__PINK
);
2957 vg_line_arrow( localplayer
.rb
.co
, p2
, 0.5f
, VG__PINK
);
2959 else q_identity( animator
->qfixuptotal
);
2960 rb_extrapolate( &localplayer
.rb
, animator
->root_co
, animator
->root_q
);
2961 v3_copy( localplayer
.rb
.v
, animator
->root_v
);
2964 static void player__skate_pose( void *_animator
, player_pose
*pose
){
2965 struct skeleton
*sk
= &localplayer
.skeleton
;
2966 struct player_skate_animator
*animator
= _animator
;
2968 pose
->type
= k_player_pose_type_ik
;
2969 v3_copy( animator
->root_co
, pose
->root_co
);
2970 v4_copy( animator
->root_q
, pose
->root_q
);
2974 q_mulv( pose
->root_q
, (v3f
){0.0f
,1.0f
,0.0f
}, ext_up
);
2975 v3_copy( pose
->root_co
, ext_co
);
2976 v3_muladds( pose
->root_co
, ext_up
, -0.1f
, pose
->root_co
);
2978 /* apply flip rotation at midpoint */
2979 q_mul( animator
->qflip
, pose
->root_q
, pose
->root_q
);
2980 q_normalize( pose
->root_q
);
2982 v3f rotation_point
, rco
;
2983 v3_muladds( ext_co
, ext_up
, 0.5f
, rotation_point
);
2984 v3_sub( pose
->root_co
, rotation_point
, rco
);
2986 q_mulv( animator
->qflip
, rco
, rco
);
2987 v3_add( rco
, rotation_point
, pose
->root_co
);
2990 * ---------------------------------------------------------------------- */
2992 mdl_keyframe apose
[32], bpose
[32];
2993 mdl_keyframe ground_pose
[32];
2996 f32 dir_frame
= animator
->z
* (15.0f
/30.0f
),
2997 stand_blend
= animator
->offset
[1]*-2.0f
;
2999 pose
->board
.lean
= animator
->board_lean
;
3001 stand_blend
= vg_clampf( 1.0f
-animator
->local_cog
[1], 0, 1 );
3003 skeleton_sample_anim( sk
, player_skate
.anim_stand
, dir_frame
, apose
);
3004 skeleton_sample_anim( sk
, player_skate
.anim_highg
, dir_frame
, bpose
);
3005 skeleton_lerp_pose( sk
, apose
, bpose
, stand_blend
, apose
);
3008 f32 slide_frame
= animator
->x
* 0.25f
+ 0.25f
;
3009 skeleton_sample_anim( sk
, player_skate
.anim_slide
, slide_frame
, bpose
);
3011 mdl_keyframe mirrored
[32];
3012 for( u32 i
=1; i
<sk
->bone_count
; i
++ ){
3014 mdl_keyframe
*dest
= &mirrored
[i
-1];
3015 u8 mapping
= localplayer
.skeleton_mirror
[i
];
3017 if( mapping
) *dest
= bpose
[mapping
-1]; /* R */
3018 else *dest
= bpose
[i
-1]; /* L */
3020 dest
->co
[2] *= -1.0f
;
3021 dest
->q
[0] *= -1.0f
;
3022 dest
->q
[1] *= -1.0f
;
3024 skeleton_lerp_pose( sk
, bpose
, mirrored
, animator
->z
, bpose
);
3030 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->slide
, apose
);
3032 if( animator
->reverse
> 0.0f
){
3033 skeleton_sample_anim( sk
, player_skate
.anim_push
, animator
->push_time
,
3037 skeleton_sample_anim( sk
, player_skate
.anim_push_reverse
,
3038 animator
->push_time
, bpose
);
3040 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->push
, apose
);
3042 struct skeleton_anim
*jump_anim
= animator
->jump_dir
?
3043 player_skate
.anim_ollie
:
3044 player_skate
.anim_ollie_reverse
;
3046 f32 setup_blend
= vg_minf( animator
->jump
, 1.0f
);
3047 skeleton_sample_anim_clamped( sk
, jump_anim
, animator
->jump_time
, bpose
);
3048 skeleton_lerp_pose( sk
, apose
, bpose
, setup_blend
, ground_pose
);
3051 mdl_keyframe air_pose
[32];
3053 float air_frame
= (animator
->airdir
*0.5f
+0.5f
) * (15.0f
/30.0f
);
3054 skeleton_sample_anim( sk
, player_skate
.anim_air
, air_frame
, apose
);
3056 float ang
= atan2f( animator
->grab
[0], animator
->grab
[1] ),
3057 ang_unit
= (ang
+VG_PIf
) * (1.0f
/VG_TAUf
),
3058 grab_frame
= ang_unit
* (15.0f
/30.0f
);
3060 skeleton_sample_anim( sk
, player_skate
.anim_grabs
, grab_frame
, bpose
);
3061 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->grabbing
, air_pose
);
3064 skeleton_lerp_pose( sk
, ground_pose
, air_pose
, animator
->fly
,
3067 mdl_keyframe
*kf_board
= &pose
->keyframes
[localplayer
.id_board
-1],
3068 *kf_foot_l
= &pose
->keyframes
[localplayer
.id_ik_foot_l
-1],
3069 *kf_foot_r
= &pose
->keyframes
[localplayer
.id_ik_foot_r
-1],
3070 *kf_knee_l
= &pose
->keyframes
[localplayer
.id_ik_knee_l
-1],
3071 *kf_knee_r
= &pose
->keyframes
[localplayer
.id_ik_knee_r
-1],
3072 *kf_hip
= &pose
->keyframes
[localplayer
.id_hip
-1],
3073 *kf_wheels
[] = { &pose
->keyframes
[localplayer
.id_wheel_r
-1],
3074 &pose
->keyframes
[localplayer
.id_wheel_l
-1] };
3077 mdl_keyframe grind_pose
[32];
3079 f32 frame
= animator
->grind_balance
* 0.5f
;
3081 skeleton_sample_anim( sk
, player_skate
.anim_grind
, frame
, apose
);
3082 skeleton_sample_anim( sk
, player_skate
.anim_grind_jump
, frame
, bpose
);
3083 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->jump
, grind_pose
);
3085 skeleton_lerp_pose( sk
, pose
->keyframes
, grind_pose
,
3086 animator
->grind
, pose
->keyframes
);
3087 float add_grab_mod
= 1.0f
- animator
->fly
;
3089 /* additive effects */
3090 u32 apply_to
[] = { localplayer
.id_hip
,
3091 localplayer
.id_ik_hand_l
,
3092 localplayer
.id_ik_hand_r
,
3093 localplayer
.id_ik_elbow_l
,
3094 localplayer
.id_ik_elbow_r
};
3096 float apply_rates
[] = { 1.0f
,
3102 for( int i
=0; i
<vg_list_size(apply_to
); i
++ ){
3103 pose
->keyframes
[apply_to
[i
]-1].co
[0] += animator
->offset
[0]*add_grab_mod
;
3104 pose
->keyframes
[apply_to
[i
]-1].co
[2] += animator
->offset
[2]*add_grab_mod
;
3107 /* angle 'correction' */
3109 v3_add( sk
->bones
[localplayer
.id_hip
].co
, kf_hip
->co
, origin
);
3111 for( int i
=0; i
<vg_list_size(apply_to
); i
++ ){
3112 mdl_keyframe
*kf
= &pose
->keyframes
[apply_to
[i
]-1];
3113 keyframe_rotate_around( kf
, origin
, sk
->bones
[apply_to
[i
]].co
,
3114 animator
->qfixuptotal
);
3117 /* trick rotation */
3118 v4f qtrick
, qyaw
, qpitch
, qroll
;
3119 q_axis_angle( qyaw
, (v3f
){0.0f
,1.0f
,0.0f
}, animator
->board_euler
[0] );
3120 q_axis_angle( qpitch
, (v3f
){1.0f
,0.0f
,0.0f
}, animator
->board_euler
[1] );
3121 q_axis_angle( qroll
, (v3f
){0.0f
,0.0f
,1.0f
}, animator
->board_euler
[2] );
3123 q_mul( qyaw
, qroll
, qtrick
);
3124 q_mul( qpitch
, qtrick
, qtrick
);
3125 q_mul( kf_board
->q
, qtrick
, kf_board
->q
);
3126 q_normalize( kf_board
->q
);
3128 kf_foot_l
->co
[2] = vg_lerpf( kf_foot_l
->co
[2], animator
->foot_offset
[0],
3129 0.5f
* animator
->weight
);
3130 kf_foot_r
->co
[2] = vg_lerpf( kf_foot_r
->co
[2], animator
->foot_offset
[1],
3131 -0.5f
* animator
->weight
);
3133 kf_foot_l
->co
[1] += animator
->slap
;
3134 kf_foot_r
->co
[1] += animator
->slap
;
3135 kf_knee_l
->co
[1] += animator
->slap
;
3136 kf_knee_r
->co
[1] += animator
->slap
;
3137 kf_board
->co
[1] += animator
->slap
* animator
->subslap
;
3138 kf_hip
->co
[1] += animator
->slap
* 0.25f
;
3140 /* kickflip and shuvit are in the wrong order for some reason */
3141 if( animator
->trick_type
== k_trick_type_kickflip
){
3142 kf_foot_l
->co
[0] += animator
->trick_foot
* 0.15f
;
3143 kf_foot_r
->co
[0] -= animator
->trick_foot
* 0.15f
;
3144 kf_foot_l
->co
[1] -= animator
->trick_foot
* 0.18f
;
3145 kf_foot_r
->co
[1] -= animator
->trick_foot
* 0.18f
;
3147 else if( animator
->trick_type
== k_trick_type_shuvit
){
3148 kf_foot_l
->co
[0] += animator
->trick_foot
* 0.2f
;
3149 kf_foot_l
->co
[1] -= animator
->trick_foot
* 0.18f
;
3150 kf_foot_r
->co
[0] -= animator
->trick_foot
* 0.1f
;
3151 kf_foot_r
->co
[1] += animator
->trick_foot
* 0.09f
;
3153 else if( animator
->trick_type
== k_trick_type_treflip
){
3154 kf_foot_l
->co
[0] += animator
->trick_foot
* 0.2f
;
3155 kf_foot_r
->co
[0] -= animator
->trick_foot
* 0.15f
;
3156 kf_foot_l
->co
[1] -= animator
->trick_foot
* 0.18f
;
3157 kf_foot_r
->co
[1] -= animator
->trick_foot
* 0.18f
;
3161 * animation wishlist:
3162 * boardslide/grind jump animations
3163 * when tricking the slap should not appply or less apply
3164 * not animations however DONT target grinds that are vertically down.
3167 /* truck rotation */
3168 for( int i
=0; i
<2; i
++ ){
3169 float a
= vg_minf( player_skate
.truckv0
[i
][0], 1.0f
);
3170 a
= -acosf( a
) * vg_signf( player_skate
.truckv0
[i
][1] );
3173 q_axis_angle( q
, (v3f
){0.0f
,0.0f
,1.0f
}, a
);
3174 q_mul( q
, kf_wheels
[i
]->q
, kf_wheels
[i
]->q
);
3175 q_normalize( kf_wheels
[i
]->q
);
3180 *kf_head
= &pose
->keyframes
[localplayer
.id_head
-1],
3181 *kf_elbow_l
= &pose
->keyframes
[localplayer
.id_ik_elbow_l
-1],
3182 *kf_elbow_r
= &pose
->keyframes
[localplayer
.id_ik_elbow_r
-1],
3183 *kf_hand_l
= &pose
->keyframes
[localplayer
.id_ik_hand_l
-1],
3184 *kf_hand_r
= &pose
->keyframes
[localplayer
.id_ik_hand_r
-1],
3185 *kf_hip
= &pose
->keyframes
[localplayer
.id_hip
-1];
3187 float warble
= perlin1d( vg
.time
, 2.0f
, 2, 300 );
3188 warble
*= vg_maxf(animator
->grind
, fabsf(animator
->weight
)) * 0.3f
;
3191 q_axis_angle( qrot
, (v3f
){0.8f
,0.7f
,0.6f
}, warble
);
3193 v3f origin
= {0.0f
,0.2f
,0.0f
};
3194 keyframe_rotate_around( kf_hand_l
, origin
,
3195 sk
->bones
[localplayer
.id_ik_hand_l
].co
, qrot
);
3196 keyframe_rotate_around( kf_hand_r
, origin
,
3197 sk
->bones
[localplayer
.id_ik_hand_r
].co
, qrot
);
3198 keyframe_rotate_around( kf_hip
, origin
,
3199 sk
->bones
[localplayer
.id_hip
].co
, qrot
);
3200 keyframe_rotate_around( kf_elbow_r
, origin
,
3201 sk
->bones
[localplayer
.id_ik_elbow_r
].co
, qrot
);
3202 keyframe_rotate_around( kf_elbow_l
, origin
,
3203 sk
->bones
[localplayer
.id_ik_elbow_l
].co
, qrot
);
3205 q_inv( qrot
, qrot
);
3206 q_mul( qrot
, kf_head
->q
, kf_head
->q
);
3207 q_normalize( kf_head
->q
);
3210 /* hand placement */
3212 u32 hand_id
= animator
->z
< 0.5f
?
3213 localplayer
.id_ik_hand_l
: localplayer
.id_ik_hand_r
;
3217 q_m3x3( pose
->root_q
, mmdl
);
3218 q_mulv( pose
->root_q
, pose
->keyframes
[hand_id
-1].co
, mmdl
[3] );
3219 v3_add( mmdl
[3], pose
->root_co
, mmdl
[3] );
3220 m4x3_mulv( mmdl
, sk
->bones
[hand_id
].co
, sample_co
);
3222 v3_muladds( sample_co
, mmdl
[1], 0.3f
, sample_co
);
3223 vg_line_point( sample_co
, 0.04f
, 0xff0000ff );
3226 v3_muls( mmdl
[1], -1.0f
, dir
);
3227 ray_hit hit
= { .dist
= 1.5f
};
3228 if(ray_world( world_current_instance(), sample_co
, dir
, &hit
, 0 )){
3229 vg_line_cross( hit
.pos
, 0xff0000ff, 0.05f
);
3230 vg_line( sample_co
, hit
.pos
, 0xffffffff );
3232 f32 amt
= vg_maxf( 0.0f
, animator
->slide
-0.5f
) *
3233 2.0f
* fabsf(animator
->z
*2.0f
-1.0f
);
3235 f32 d
= (hit
.dist
- 0.3f
) * amt
;
3236 pose
->keyframes
[hand_id
-1].co
[1] -= d
;
3237 kf_hip
->co
[1] -= d
*0.4f
;
3241 f32 amt
= vg_maxf(0.0f
, (animator
->slide
- 0.5f
) * 2.0f
);
3242 u8 skidders
[] = { localplayer
.id_ik_foot_l
,
3243 localplayer
.id_ik_foot_r
,
3244 localplayer
.id_board
};
3246 q_axis_angle( qskid
, (v3f
){0,1,0}, -animator
->steer
[1]*0.2f
);
3248 for( u32 i
=0; i
<vg_list_size(skidders
); i
++ ){
3249 mdl_keyframe
*kf
= &pose
->keyframes
[ skidders
[i
]-1 ];
3250 keyframe_rotate_around( kf
,
3251 (v3f
){0,0,0.4f
*(animator
->z
*2.0f
-1.0f
)*amt
},
3252 sk
->bones
[skidders
[i
]].co
, qskid
);
3257 static void player__skate_effects( void *_animator
, m4x3f
*final_mtx
,
3258 struct player_board
*board
,
3259 struct player_effects_data
*effect_data
){
3261 struct skeleton
*sk
= &localplayer
.skeleton
;
3262 struct player_skate_animator
*animator
= _animator
;
3264 if( animator
->grind
> 0.5f
){
3267 v3_copy((v3f
){0.0f
,0.02f
, board
->truck_positions
[0][2]}, vp1
);
3268 v3_copy((v3f
){0.0f
,0.02f
, board
->truck_positions
[1][2]}, vp0
);
3275 v3f
*board_mtx
= final_mtx
[ localplayer
.id_board
];
3276 m4x3_mulv( board_mtx
, vp0
, vp0
);
3277 m4x3_mulv( board_mtx
, vp1
, vp1
);
3278 v3_add( vp0
, vp1
, vpc
);
3279 v3_muls( vpc
, 0.5f
, vpc
);
3281 int back
= 0, front
= 0, mid
= 0;
3283 if( animator
->activity
== k_skate_activity_grind_5050
){
3287 else if( animator
->activity
== k_skate_activity_grind_back50
){
3290 else if( animator
->activity
== k_skate_activity_grind_front50
){
3293 else if( animator
->activity
== k_skate_activity_grind_boardslide
){
3298 effect_spark_apply( &effect_data
->spark
, vp0
,
3299 animator
->root_v
, vg
.time_delta
);
3303 effect_spark_apply( &effect_data
->spark
, vp1
,
3304 animator
->root_v
, vg
.time_delta
);
3308 effect_spark_apply( &effect_data
->spark
, vpc
,
3309 animator
->root_v
, vg
.time_delta
);
3314 static void player__skate_post_animate(void){
3315 struct player_skate_state
*state
= &player_skate
.state
;
3316 localplayer
.cam_velocity_influence
= 1.0f
;
3318 v3f head
= { 0.0f
, 1.8f
, 0.0f
};
3319 m4x3_mulv( localplayer
.final_mtx
[ localplayer
.id_head
],
3320 head
, state
->head_position
);
3321 m4x3_mulv( localplayer
.rb
.to_local
,
3322 state
->head_position
, state
->head_position
);
3325 static void player__skate_reset_animator(void){
3326 struct player_skate_state
*state
= &player_skate
.state
;
3328 memset( &player_skate
.animator
, 0, sizeof(player_skate
.animator
) );
3330 if( state
->activity
<= k_skate_activity_air_to_grind
)
3331 player_skate
.animator
.fly
= 1.0f
;
3333 player_skate
.animator
.fly
= 0.0f
;
3336 static void player__skate_clear_mechanics(void){
3337 struct player_skate_state
*state
= &player_skate
.state
;
3338 state
->jump_charge
= 0.0f
;
3339 state
->charging_jump
= 0;
3340 state
->jump_dir
= 0;
3341 v3_zero( state
->flip_axis
);
3342 state
->flip_time
= 0.0f
;
3343 state
->flip_rate
= 0.0f
;
3344 state
->reverse
= 0.0f
;
3346 state
->grabbing
= 0.0f
;
3347 v2_zero( state
->grab_mouse_delta
);
3349 state
->jump_time
= 0.0;
3350 state
->start_push
= 0.0;
3351 state
->cur_push
= 0.0;
3352 state
->air_start
= 0.0;
3354 v3_zero( state
->air_init_v
);
3355 v3_zero( state
->air_init_co
);
3357 state
->gravity_bias
= k_gravity
;
3358 v3_copy( localplayer
.rb
.co
, state
->prev_pos
);
3359 v4_copy( localplayer
.rb
.q
, state
->smoothed_rotation
);
3360 v3_zero( state
->throw_v
);
3361 v3_zero( state
->trick_vel
);
3362 v3_zero( state
->trick_euler
);
3363 v3_zero( state
->cog_v
);
3364 state
->grind_cooldown
= 0;
3365 state
->surface_cooldown
= 0;
3366 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1], 1.0f
, state
->cog
);
3367 v3_copy( localplayer
.rb
.to_world
[1], state
->up_dir
);
3368 v3_copy( localplayer
.rb
.to_world
[1], player_skate
.surface_picture
);
3369 v3_copy( localplayer
.rb
.co
, state
->prev_pos
);
3370 v3_zero( player_skate
.weight_distribution
);
3373 #include "network_compression.h"
3375 static void player__skate_animator_exchange( bitpack_ctx
*ctx
, void *data
){
3376 struct player_skate_animator
*animator
= data
;
3378 bitpack_qv3f( ctx
, 24, -1024.0f
, 1024.0f
, animator
->root_co
);
3379 bitpack_qquat( ctx
, animator
->root_q
);
3381 bitpack_qv3f( ctx
, 8, -1.0f
, 1.0f
, animator
->offset
);
3382 bitpack_qv3f( ctx
, 8, -1.0f
, 1.0f
, animator
->local_cog
);
3383 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->slide
);
3384 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->z
);
3385 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->x
);
3387 /* these could likely be pressed down into single bits if needed */
3388 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->fly
);
3389 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->grind
);
3390 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->stand
);
3391 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->push
);
3392 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->jump
); /*??*/
3393 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->jump_charge
); /*??*/
3395 /* just the sign bit? */
3396 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->reverse
);
3397 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->delayed_slip_dir
);
3398 bitpack_bytes( ctx
, 1, &animator
->jump_dir
);
3399 bitpack_bytes( ctx
, 1, &animator
->trick_type
);
3401 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->grind_balance
);
3402 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->airdir
);
3403 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->weight
);
3404 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->trick_foot
);
3405 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->slap
);
3406 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->subslap
);
3407 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->grabbing
);
3409 /* animator->wobble is ommited */
3411 bitpack_qv2f( ctx
, 8, -1.0f
, 1.0f
, animator
->foot_offset
);
3412 bitpack_qquat( ctx
, animator
->qfixuptotal
);
3413 bitpack_qquat( ctx
, animator
->qflip
);
3415 bitpack_qv3f( ctx
, 16, -100.0f
, 100.0f
, animator
->board_euler
);
3416 bitpack_qf32( ctx
, 8, -1.0f
, 1.0f
, &animator
->board_lean
);
3417 bitpack_qv2f( ctx
, 8, -1.0f
, 1.0f
, animator
->steer
);
3418 bitpack_qv2f( ctx
, 8, -1.0f
, 1.0f
, animator
->grab
);
3420 bitpack_qf32( ctx
, 16, 0.0f
, 120.0f
, &animator
->push_time
);
3421 bitpack_qf32( ctx
, 16, 0.0f
, 120.0f
, &animator
->jump_time
);
3422 bitpack_qv3f( ctx
, 16, -100.0f
, 100.0f
, animator
->root_v
);
3423 bitpack_bytes( ctx
, 1, &animator
->activity
);
3426 static void player__skate_sfx_oneshot( u8 id
, v3f pos
, f32 volume
){
3429 if( id
== k_player_skate_soundeffect_jump
){
3430 audio_oneshot_3d( &audio_jumps
[vg_randu32(&vg
.rand
)%2],
3431 pos
, 40.0f
, volume
);
3433 else if( id
== k_player_skate_soundeffect_tap
){
3434 audio_oneshot_3d( &audio_taps
[vg_randu32(&vg
.rand
)%4],
3435 pos
, 40.0f
, volume
);
3437 else if( id
== k_player_skate_soundeffect_land_good
){
3438 audio_oneshot_3d( &audio_lands
[vg_randu32(&vg
.rand
)%3],
3439 pos
, 40.0f
, volume
);
3441 else if( id
== k_player_skate_soundeffect_land_bad
){
3442 audio_oneshot_3d( &audio_lands
[vg_randu32(&vg
.rand
)%2+3],
3443 pos
, 40.0f
, volume
);
3445 else if( id
== k_player_skate_soundeffect_grind_metal
){
3446 audio_oneshot_3d( &audio_board
[3], pos
, 40.0f
, volume
);
3448 else if( id
== k_player_skate_soundeffect_grind_wood
){
3449 audio_oneshot_3d( &audio_board
[8], pos
, 40.0f
, volume
);
3455 #endif /* PLAYER_SKATE_C */