8 static void player_walk_drop_in_vector( v3f vec
){
10 v3_cross( (v3f
){0.0f
,1.0f
,0.0f
}, player_walk
.state
.drop_in_normal
, axis
);
11 v3_cross( axis
, player_walk
.state
.drop_in_normal
, init_dir
);
12 v3_normalize( init_dir
);
13 v3_muls( init_dir
, 4.25f
, vec
);
16 static float player_xyspeed2(void){
17 return v3_length2( (v3f
){localplayer
.rb
.v
[0], 0.0f
, localplayer
.rb
.v
[2]} );
20 static void player_walk_generic_to_skate( enum skate_activity init
, f32 yaw
){
21 localplayer
.subsystem
= k_player_subsystem_skate
;
25 if( player_xyspeed2() < 0.1f
* 0.1f
)
26 q_mulv( localplayer
.rb
.q
, (v3f
){0.0f
,0.0f
,1.6f
}, v
);
28 v3_copy( localplayer
.rb
.v
, v
);
30 player_skate
.state
.activity_prev
= k_skate_activity_ground
;
31 player_skate
.state
.activity
= init
;
37 q_axis_angle( localplayer
.rb
.q
, (v3f
){0.0f
,1.0f
,0.0f
},
38 atan2f(-dir
[0],-dir
[2]) );
39 q_normalize( localplayer
.rb
.q
);
41 q_mulv( localplayer
.rb
.q
, (v3f
){0.0f
,1.0f
,0.0f
}, player_skate
.state
.cog
);
42 v3_add( player_skate
.state
.cog
, localplayer
.rb
.co
, player_skate
.state
.cog
);
44 v3_copy( v
, player_skate
.state
.cog_v
);
45 v3_copy( v
, localplayer
.rb
.v
);
47 player__begin_holdout( (v3f
){0.0f
,0.0f
,0.0f
} );
48 player__skate_reset_animator();
49 player__skate_clear_mechanics();
50 rb_update_transform( &localplayer
.rb
);
51 v3_copy( (v3f
){yaw
,0.0f
,0.0f
}, player_skate
.state
.trick_euler
);
53 if( init
== k_skate_activity_air
)
54 player__approximate_best_trajectory();
57 static void player_walk_drop_in_to_skate(void){
58 localplayer
.immobile
= 0;
59 localplayer
.subsystem
= k_player_subsystem_skate
;
61 player_skate
.state
.activity_prev
= k_skate_activity_ground
;
62 player_skate
.state
.activity
= k_skate_activity_ground
;
64 player__begin_holdout( (v3f
){0,0,0} );
65 player__skate_clear_mechanics();
66 player__skate_reset_animator();
69 player_walk_drop_in_vector( init_velocity
);
71 rb_update_transform( &localplayer
.rb
);
72 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1], 1.0f
,
73 player_skate
.state
.cog
);
74 v3_copy( init_velocity
, player_skate
.state
.cog_v
);
75 v3_copy( init_velocity
, localplayer
.rb
.v
);
76 v3_copy( init_velocity
, localplayer
.cam_control
.cam_velocity_smooth
);
77 v3_copy( (v3f
){player_walk
.animator
.board_yaw
+1.0f
,0,0},
78 player_skate
.state
.trick_euler
);
81 static void player_walk_drop_in_overhang_transform( f32 t
, v3f co
, v4f q
){
83 v3_cross( (v3f
){0,1,0}, player_walk
.state
.drop_in_normal
, axis
);
86 float a
= acosf( player_walk
.state
.drop_in_normal
[1] ) * t
;
87 q_axis_angle( q
, axis
, a
);
90 heading_angle
= player_walk
.state
.drop_in_angle
;
93 overhang
[0] = sinf( heading_angle
) * l
;
94 overhang
[1] = 0.28f
* l
;
95 overhang
[2] = cosf( heading_angle
) * l
;
97 q_mulv( q
, overhang
, overhang
);
98 v3_add( player_walk
.state
.drop_in_target
, overhang
, co
);
101 static int player_walk_scan_for_drop_in(void){
102 world_instance
*world
= world_current_instance();
105 q_mulv( localplayer
.rb
.q
, (v3f
){0.0f
,0.0f
,1.0f
}, dir
);
106 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1], -1.0f
, center
);
109 int sample_count
= 0;
111 for( int i
=0; i
<20; i
++ ){
112 float t
= (float)i
* (1.0f
/19.0f
),
113 s
= sinf( t
* VG_PIf
* 0.25f
),
114 c
= cosf( t
* VG_PIf
* 0.25f
);
117 v3_muls ( localplayer
.rb
.to_world
[1], -c
, ray_dir
);
118 v3_muladds( ray_dir
, dir
, -s
, ray_dir
);
119 v3_muladds( center
, ray_dir
, -2.0f
, pos
);
121 ray_hit
*ray
= &samples
[ sample_count
];
124 if( ray_world( world
, pos
, ray_dir
, ray
, 0 ) ){
125 vg_line( pos
, ray
->pos
, VG__RED
);
126 vg_line_point( ray
->pos
, 0.025f
, VG__BLACK
);
132 float min_a
= 0.70710678118654752f
;
133 ray_hit
*candidate
= NULL
;
135 if( sample_count
>= 2 ){
136 for( int i
=0; i
<sample_count
-1; i
++ ){
137 ray_hit
*s0
= &samples
[i
],
140 float a
= v3_dot( s0
->normal
, s1
->normal
);
142 if( (a
< min_a
) && (a
>= -0.1f
) && (s0
->normal
[1]>s1
->normal
[1]) ){
152 ray_hit
*s0
= candidate
,
155 vg_line( s0
->pos
, s1
->pos
, VG__WHITE
);
157 v3_copy( s0
->normal
, pa
);
158 v3_copy( s1
->normal
, pb
);
159 v3_cross( localplayer
.rb
.to_world
[1], dir
, pc
);
162 pa
[3] = v3_dot( pa
, s0
->pos
);
163 pb
[3] = v3_dot( pb
, s1
->pos
);
164 pc
[3] = v3_dot( pc
, localplayer
.rb
.co
);
167 if( plane_intersect3( pa
, pb
, pc
, edge
) ){
168 v3_copy( edge
, player_walk
.state
.drop_in_target
);
169 v3_copy( s1
->normal
, player_walk
.state
.drop_in_normal
);
170 v3_copy( localplayer
.rb
.co
, player_walk
.state
.drop_in_start
);
172 player_walk
.state
.drop_in_start_angle
= player_get_heading_yaw();
173 player_walk
.state
.drop_in_angle
=
174 atan2f( player_walk
.state
.drop_in_normal
[0],
175 player_walk
.state
.drop_in_normal
[2] );
177 /* TODO: scan multiple of these? */
180 player_walk_drop_in_overhang_transform( 1.0f
, oco
, oq
);
182 v3f va
= {0.0f
,0.0f
,-k_board_length
- 0.3f
},
183 vb
= {0.0f
,0.0f
, k_board_length
+ 0.3f
};
185 q_mulv( oq
, va
, va
);
186 q_mulv( oq
, vb
, vb
);
187 v3_add( oco
, va
, va
);
188 v3_add( oco
, vb
, vb
);
191 v3_sub( vb
, va
, v0
);
195 ray
.dist
= k_board_length
*2.0f
+ 0.6f
;
197 if( ray_world( world
, va
, v0
, &ray
, 0 ) ){
198 vg_line( va
, vb
, VG__RED
);
199 vg_line_point( ray
.pos
, 0.1f
, VG__RED
);
200 vg_error( "invalidated\n" );
204 v3_muls( v0
, -1.0f
, v0
);
205 if( ray_world( world
, vb
, v0
, &ray
, 0 ) ){
206 vg_line( va
, vb
, VG__RED
);
207 vg_line_point( ray
.pos
, 0.1f
, VG__RED
);
208 vg_error( "invalidated\n" );
212 player_walk_drop_in_vector( localplayer
.rb
.v
);
216 vg_error( "failed to find intersection of drop in\n" );
223 static bool player__preupdate_anim( struct skeleton_anim
*anim
, f32
*t
,
225 f32 length
= (f32
)(anim
->length
-1) / anim
->rate
;
226 *t
+= (vg
.time_delta
* speed
) / length
;
228 if( *t
>= 1.0f
) return 1;
232 static void player_walk_pre_sit(void){
233 struct player_walk
*w
= &player_walk
;
236 joystick_state( k_srjoystick_steer
, steer
);
238 vg_slewf( &w
->state
.transition_t
, 1.0f
, vg
.time_delta
);
240 if( button_down(k_srbind_sit
) || (v2_length2(steer
)>0.2f
) ||
241 button_down(k_srbind_jump
) ){
242 w
->state
.activity
= k_walk_activity_sit_up
;
247 static void player_walk_pre_sit_up(void){
248 struct player_walk
*w
= &player_walk
;
250 if( w
->state
.transition_t
> 0.0f
)
251 vg_slewf( &w
->state
.transition_t
, 0.0f
, vg
.time_delta
);
253 w
->state
.activity
= k_walk_activity_ground
;
255 if( button_down(k_srbind_sit
) )
256 w
->state
.activity
= k_walk_activity_sit
;
261 static void player_walk_pre_ground(void){
262 struct player_walk
*w
= &player_walk
;
264 if( button_down(k_srbind_sit
) ){
265 v3_zero( localplayer
.rb
.v
);
266 w
->state
.activity
= k_walk_activity_sit
;
267 w
->state
.transition_t
= 0.0f
;
271 if( button_down( k_srbind_use
) ){
272 if( player_walk_scan_for_drop_in() ){
273 w
->state
.activity
= k_walk_activity_odrop_in
;
276 w
->state
.activity
= k_walk_activity_oregular
;
279 w
->state
.transition_t
= 0.0f
;
282 if( button_down( k_srbind_jump
) ){
283 w
->state
.jump_queued
= 1;
284 w
->state
.jump_input_time
= vg
.time
;
288 static void player_walk_pre_air(void){
289 struct player_walk
*w
= &player_walk
;
290 if( button_down( k_srbind_use
) ){
291 w
->state
.activity
= k_walk_activity_oair
;
292 w
->state
.transition_t
= 0.0f
;
295 if( button_down( k_srbind_jump
) ){
296 w
->state
.jump_queued
= 1;
297 w
->state
.jump_input_time
= vg
.time
;
301 static void player_walk_pre_drop_in(void){
302 struct player_walk
*w
= &player_walk
;
303 bool finished
= player__preupdate_anim( w
->anim_drop_in
,
304 &w
->state
.transition_t
, 1.0f
);
306 player_walk_drop_in_to_skate();
309 static void player_walk_pre_caveman(void){
310 struct player_walk
*w
= &player_walk
;
311 bool finished
= player__preupdate_anim( w
->anim_jump_to_air
,
312 &w
->state
.transition_t
, 1.0f
);
314 player_walk_generic_to_skate( k_skate_activity_air
,
315 player_walk
.animator
.board_yaw
);
319 static void player_walk_pre_running_start(void){
320 struct player_walk
*w
= &player_walk
;
321 bool finished
= player__preupdate_anim( w
->anim_intro
,
322 &w
->state
.transition_t
, 1.0f
);
324 /* TODO: get the derivative of the last keyframes to calculate new
325 * velocity for player */
326 player_walk_generic_to_skate( k_skate_activity_ground
,
327 player_walk
.animator
.board_yaw
+1.0f
);
331 static void player_walk_pre_popoff(void){
332 struct player_walk
*w
= &player_walk
;
333 bool finished
= player__preupdate_anim( w
->anim_popoff
,
334 &w
->state
.transition_t
, 1.0f
);
337 w
->state
.activity
= k_walk_activity_ground
;
338 w
->animator
.board_yaw
+= 1.0f
;
342 static void player__walk_pre_update(void){
343 struct player_walk
*w
= &player_walk
;
345 if( localplayer
.immobile
) return;
346 else player_look( localplayer
.angles
, skaterift
.time_rate
);
348 enum walk_activity a
= w
->state
.activity
;
350 if ( a
== k_walk_activity_sit
) player_walk_pre_sit();
351 else if( a
== k_walk_activity_sit_up
) player_walk_pre_sit_up();
352 else if( a
== k_walk_activity_ground
) player_walk_pre_ground();
353 else if( a
== k_walk_activity_air
) player_walk_pre_air();
354 else if( a
== k_walk_activity_odrop_in
) player_walk_pre_drop_in();
355 else if( a
== k_walk_activity_oair
) player_walk_pre_caveman();
356 else if( a
== k_walk_activity_oregular
) player_walk_pre_running_start();
357 else if( a
== k_walk_activity_ipopoff
) player_walk_pre_popoff();
360 static int player_walk_normal_standable( v3f n
){
361 return n
[1] > 0.70710678118f
;
364 static void player_accelerate( v3f v
, v3f movedir
, f32 speed
, f32 accel
){
365 float currentspeed
= v3_dot( v
, movedir
),
366 addspeed
= speed
- currentspeed
;
371 float accelspeed
= accel
* k_rb_delta
* speed
;
373 if( accelspeed
> addspeed
)
374 accelspeed
= addspeed
;
376 v3_muladds( v
, movedir
, accelspeed
, v
);
379 static void player_friction( v3f v
, f32 friction
){
380 float speed
= v3_length( v
),
382 control
= vg_maxf( speed
, k_stopspeed
);
387 drop
+= control
* friction
* k_rb_delta
;
389 float newspeed
= vg_maxf( 0.0f
, speed
- drop
);
392 v3_muls( v
, newspeed
, v
);
395 static void player_walk_custom_filter( world_instance
*world
,
396 rb_ct
*man
, int len
, f32 w
){
397 for( int i
=0; i
<len
; i
++ ){
399 if( ci
->type
== k_contact_type_disabled
||
400 ci
->type
== k_contact_type_edge
)
404 float d1
= v3_dot( ci
->co
, ci
->n
);
406 for( int j
=0; j
<len
; j
++ ){
411 if( cj
->type
== k_contact_type_disabled
)
414 struct world_surface
*si
= world_contact_surface( world
, ci
),
415 *sj
= world_contact_surface( world
, cj
);
417 if( (sj
->info
.flags
& k_material_flag_walking
) &&
418 !(si
->info
.flags
& k_material_flag_walking
)){
422 float d2
= v3_dot( cj
->co
, ci
->n
),
425 if( fabsf( d
) <= w
){
426 cj
->type
= k_contact_type_disabled
;
432 static void player_walk_update_generic(void){
433 struct player_walk
*w
= &player_walk
;
435 if( (w
->state
.activity
!= k_walk_activity_oregular
) &&
436 (w
->state
.activity
!= k_walk_activity_oair
) ){
437 joystick_state( k_srjoystick_steer
, w
->state
.steer
);
438 w
->state
.steer
[2] = button_press(k_srbind_run
)? k_runspeed
: k_walkspeed
;
439 if( v2_length2(w
->state
.steer
)>1.0f
)
440 v2_normalize(w
->state
.steer
);
443 v3_copy( localplayer
.rb
.co
, w
->state
.prev_pos
);
444 v3_zero( localplayer
.rb
.w
);
446 world_instance
*world
= world_current_instance();
448 if( world
->water
.enabled
){
449 if( localplayer
.rb
.co
[1]+0.4f
< world
->water
.height
){
450 player__networked_sfx( k_player_subsystem_walk
, 32,
451 k_player_walk_soundeffect_splash
,
452 localplayer
.rb
.co
, 1.0f
);
453 player__dead_transition( k_player_die_type_generic
);
458 enum walk_activity prev_state
= w
->state
.activity
;
460 w
->collider
.height
= 2.0f
;
461 w
->collider
.radius
= 0.3f
;
464 m3x3_copy( localplayer
.rb
.to_world
, mtx
);
465 v3_add( localplayer
.rb
.co
, (v3f
){0,1,0}, mtx
[3] );
467 vg_line_capsule( mtx
, w
->collider
.radius
, w
->collider
.height
, VG__WHITE
);
472 float yaw
= localplayer
.angles
[0];
474 v3f forward_dir
= { -sinf(yaw
), 0.0f
, cosf(yaw
) };
475 v3f right_dir
= { forward_dir
[2], 0.0f
, -forward_dir
[0] };
478 * Collision detection
481 len
= rb_capsule__scene( mtx
, &w
->collider
, NULL
,
482 &world
->rb_geo
.inf
.scene
, manifold
, 0 );
483 player_walk_custom_filter( world
, manifold
, len
, 0.01f
);
484 len
= rb_manifold_apply_filtered( manifold
, len
);
486 v3f surface_avg
= { 0.0f
, 0.0f
, 0.0f
};
488 w
->state
.activity
= k_walk_activity_air
;
489 w
->surface
= k_surface_prop_concrete
;
491 for( int i
=0; i
<len
; i
++ ){
492 struct contact
*ct
= &manifold
[i
];
493 rb_debug_contact( ct
);
495 if( player_walk_normal_standable( ct
->n
) ){
496 w
->state
.activity
= k_walk_activity_ground
;
498 v3_add( surface_avg
, ct
->n
, surface_avg
);
500 struct world_surface
*surf
= world_contact_surface( world
, ct
);
501 if( surf
->info
.surface_prop
> w
->surface
)
502 w
->surface
= surf
->info
.surface_prop
;
505 rb_prepare_contact( ct
, k_rb_delta
);
511 float accel_speed
= 0.0f
, nominal_speed
= 0.0f
;
514 v3_muls( right_dir
, w
->state
.steer
[0], movedir
);
515 v3_muladds( movedir
, forward_dir
, w
->state
.steer
[1], movedir
);
517 if( w
->state
.activity
== k_walk_activity_ground
){
518 v3_normalize( surface_avg
);
521 v3_tangent_basis( surface_avg
, tx
, ty
);
523 if( v2_length2(w
->state
.steer
) > 0.001f
){
524 /* clip movement to the surface */
525 float d
= v3_dot(surface_avg
,movedir
);
526 v3_muladds( movedir
, surface_avg
, -d
, movedir
);
529 accel_speed
= k_walk_accel
;
530 nominal_speed
= w
->state
.steer
[2];
533 if( w
->state
.jump_queued
){
534 w
->state
.jump_queued
= 0;
536 f32 t
= vg
.time
- w
->state
.jump_input_time
;
537 if( t
< PLAYER_JUMP_EPSILON
){
538 localplayer
.rb
.v
[1] = 5.0f
;
539 w
->state
.activity
= k_walk_activity_air
;
540 prev_state
= k_walk_activity_air
;
541 accel_speed
= k_walk_air_accel
;
542 nominal_speed
= k_airspeed
;
546 player_friction( localplayer
.rb
.v
, k_walk_friction
);
550 accel_speed
= k_walk_air_accel
;
551 nominal_speed
= k_airspeed
;
554 if( v2_length2( w
->state
.steer
) > 0.001f
){
555 player_accelerate( localplayer
.rb
.v
, movedir
,
556 nominal_speed
, accel_speed
);
557 v3_normalize( movedir
);
561 * Resolve velocity constraints
563 for( int j
=0; j
<5; j
++ ){
564 for( int i
=0; i
<len
; i
++ ){
565 struct contact
*ct
= &manifold
[i
];
568 float vn
= -v3_dot( localplayer
.rb
.v
, ct
->n
);
570 float temp
= ct
->norm_impulse
;
571 ct
->norm_impulse
= vg_maxf( temp
+ vn
, 0.0f
);
572 vn
= ct
->norm_impulse
- temp
;
574 v3_muladds( localplayer
.rb
.v
, ct
->n
, vn
, localplayer
.rb
.v
);
579 if( w
->state
.activity
== k_walk_activity_ground
||
580 prev_state
== k_walk_activity_ground
){
581 float max_dist
= 0.4f
;
584 v3_copy( localplayer
.rb
.co
, pa
);
585 pa
[1] += w
->collider
.radius
+ max_dist
;
586 v3_add( pa
, (v3f
){0, -max_dist
* 2.0f
, 0}, pb
);
587 vg_line( pa
, pb
, 0xff000000 );
591 if( spherecast_world( world
, pa
, pb
,
592 w
->collider
.radius
, &t
, n
, 0 ) != -1 ){
593 if( player_walk_normal_standable(n
) ){
594 v3_lerp( pa
, pb
, t
, localplayer
.rb
.co
);
595 localplayer
.rb
.co
[1] += -w
->collider
.radius
- k_penetration_slop
;
596 w
->state
.activity
= k_walk_activity_ground
;
598 float d
= -v3_dot(n
,localplayer
.rb
.v
);
599 v3_muladds( localplayer
.rb
.v
, n
, d
, localplayer
.rb
.v
);
600 localplayer
.rb
.v
[1] += -k_gravity
* k_rb_delta
;
609 rb_depenetrate( manifold
, len
, dt
);
610 v3_add( dt
, localplayer
.rb
.co
, localplayer
.rb
.co
);
613 if( w
->state
.activity
== k_walk_activity_air
){
614 localplayer
.rb
.v
[1] += -k_gravity
*k_rb_delta
;
617 if( localplayer
.immobile
){
618 localplayer
.rb
.v
[0] = 0.0f
;
619 localplayer
.rb
.v
[2] = 0.0f
;
622 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.v
, k_rb_delta
,
624 v3_add( localplayer
.rb
.co
, (v3f
){0,1,0}, mtx
[3] );
625 vg_line_capsule( mtx
, w
->collider
.radius
, w
->collider
.height
, VG__GREEN
);
629 * ---------------------------------------------------
634 lwr_offs
= { 0.0f
, w
->collider
.radius
, 0.0f
};
636 v3_add( lwr_offs
, w
->state
.prev_pos
, lwr_prev
);
637 v3_add( lwr_offs
, localplayer
.rb
.co
, lwr_now
);
640 v3_sub( localplayer
.rb
.co
, w
->state
.prev_pos
, movedelta
);
642 float movedist
= v3_length( movedelta
);
644 if( movedist
> 0.3f
){
645 float t
, sr
= w
->collider
.radius
-0.04f
;
648 if( spherecast_world( world
, lwr_prev
, lwr_now
, sr
, &t
, n
, 0 ) != -1 ){
649 v3_lerp( lwr_prev
, lwr_now
, vg_maxf(0.01f
,t
), localplayer
.rb
.co
);
650 localplayer
.rb
.co
[1] -= w
->collider
.radius
;
651 rb_update_transform( &localplayer
.rb
);
653 v3_add( localplayer
.rb
.co
, (v3f
){0,1,0}, mtx
[3] );
654 vg_line_capsule( mtx
, w
->collider
.radius
, w
->collider
.height
, VG__RED
);
658 u32 id
= world_intersect_gates(world
, localplayer
.rb
.co
, w
->state
.prev_pos
);
660 ent_gate
*gate
= mdl_arritm( &world
->ent_gate
, mdl_entity_id_id(id
) );
661 m4x3_mulv( gate
->transport
, localplayer
.rb
.co
, localplayer
.rb
.co
);
662 m3x3_mulv( gate
->transport
, localplayer
.rb
.v
, localplayer
.rb
.v
);
664 v4f transport_rotation
;
665 m3x3_q( gate
->transport
, transport_rotation
);
666 q_mul( transport_rotation
, localplayer
.rb
.q
, localplayer
.rb
.q
);
668 rb_update_transform( &localplayer
.rb
);
669 player__pass_gate( id
);
671 rb_update_transform( &localplayer
.rb
);
673 if( (prev_state
== k_walk_activity_oregular
) ||
674 (prev_state
== k_walk_activity_oair
) ||
675 (prev_state
== k_walk_activity_ipopoff
) ){
676 w
->state
.activity
= prev_state
;
679 w
->move_speed
= vg_minf( v2_length( (v2f
){ localplayer
.rb
.v
[0],
680 localplayer
.rb
.v
[2] } ),
684 static void player__walk_post_update(void){
685 struct player_walk
*w
= &player_walk
;
688 m3x3_copy( localplayer
.rb
.to_world
, mtx
);
689 v3_add( localplayer
.rb
.co
, (v3f
){0,1,0}, mtx
[3] );
691 float substep
= vg
.time_fixed_extrapolate
;
692 v3_muladds( mtx
[3], localplayer
.rb
.v
, k_rb_delta
*substep
, mtx
[3] );
693 vg_line_capsule( mtx
, w
->collider
.radius
, w
->collider
.height
, VG__YELOW
);
695 /* Calculate header */
697 if( (player_xyspeed2() > 0.1f
*0.1f
) ){
699 if( (w
->state
.activity
== k_walk_activity_ground
) ||
700 (w
->state
.activity
== k_walk_activity_ipopoff
) ||
701 (w
->state
.activity
== k_walk_activity_oregular
) ){
705 f32 ta
= atan2f( localplayer
.rb
.v
[0], localplayer
.rb
.v
[2] );
707 q_axis_angle( qt
, (v3f
){0,1,0}, ta
);
708 q_nlerp( localplayer
.rb
.q
, qt
, vg
.time_delta
/r
, localplayer
.rb
.q
);
711 vg_line_point( w
->state
.drop_in_target
, 0.1f
, VG__GREEN
);
713 v3_muladds( w
->state
.drop_in_target
, w
->state
.drop_in_normal
, 0.3f
, p1
);
714 vg_line( w
->state
.drop_in_target
, p1
, VG__GREEN
);
715 v3_muladds( w
->state
.drop_in_target
, localplayer
.rb
.to_world
[1], 0.3f
, p1
);
716 vg_line( w
->state
.drop_in_target
, p1
, VG__GREEN
);
718 float a
= player_get_heading_yaw();
723 v3_add( localplayer
.rb
.co
, p1
, p1
);
724 vg_line( localplayer
.rb
.co
, p1
, VG__PINK
);
727 if( vg_fractf(w
->state
.walk_timer
) > 0.5f
)
732 if( (w
->state
.step_phase
!= walk_phase
) &&
733 (w
->state
.activity
== k_walk_activity_ground
) )
736 if( w
->surface
== k_surface_prop_concrete
){
738 &audio_footsteps
[vg_randu32(&vg
.rand
) %
739 vg_list_size(audio_footsteps
)],
740 localplayer
.rb
.co
, 40.0f
, 1.0f
743 else if( w
->surface
== k_surface_prop_grass
){
745 &audio_footsteps_grass
[ vg_randu32(&vg
.rand
) %
746 vg_list_size(audio_footsteps_grass
)],
747 localplayer
.rb
.co
, 40.0f
, 1.0f
750 else if( w
->surface
== k_surface_prop_wood
){
752 &audio_footsteps_wood
[ vg_randu32(&vg
.rand
) %
753 vg_list_size(audio_footsteps_wood
)],
754 localplayer
.rb
.co
, 40.0f
, 1.0f
760 w
->state
.step_phase
= walk_phase
;
763 static void player__walk_update(void){
764 struct player_walk
*w
= &player_walk
;
766 if( (w
->state
.activity
== k_walk_activity_air
) ||
767 (w
->state
.activity
== k_walk_activity_ground
) ||
768 (w
->state
.activity
== k_walk_activity_oair
) ||
769 (w
->state
.activity
== k_walk_activity_oregular
) ||
770 (w
->state
.activity
== k_walk_activity_ipopoff
) ){
771 player_walk_update_generic();
775 static void player_walk_animate_drop_in(void){
776 struct player_walk
*w
= &player_walk
;
777 struct player_walk_animator
*animator
= &w
->animator
;
778 struct skeleton_anim
*anim
= w
->anim_drop_in
;
780 f32 length
= (f32
)(anim
->length
-1) / anim
->rate
,
781 time
= w
->state
.transition_t
;
783 f32 walk_yaw
= vg_alerpf( w
->state
.drop_in_start_angle
,
784 w
->state
.drop_in_angle
, animator
->transition_t
);
785 v3_lerp( w
->state
.drop_in_start
, w
->state
.drop_in_target
,
786 animator
->transition_t
, localplayer
.rb
.co
);
788 q_axis_angle( localplayer
.rb
.q
, (v3f
){0,1,0}, walk_yaw
+ VG_PIf
);
790 /* the drop in bit */
793 player_walk_drop_in_overhang_transform( animator
->transition_t
,
796 q_mul( final_q
, localplayer
.rb
.q
, localplayer
.rb
.q
);
797 v3_lerp( localplayer
.rb
.co
, final_co
, animator
->transition_t
,
800 rb_update_transform( &localplayer
.rb
);
802 v3_muladds( localplayer
.rb
.co
, localplayer
.rb
.to_world
[1],
803 -0.1f
*animator
->transition_t
, localplayer
.rb
.co
);
805 v3_copy( localplayer
.rb
.co
, animator
->root_co
);
806 v4_copy( localplayer
.rb
.q
, animator
->root_q
);
808 /* for the camera purposes only */
810 player_walk_drop_in_vector( init_velocity
);
811 v3_muls( init_velocity
, animator
->transition_t
, localplayer
.rb
.v
);
812 v3_copy( localplayer
.rb
.v
,
813 localplayer
.cam_control
.cam_velocity_smooth
);
816 static void player_walk_animate_generic(void){
817 struct player_walk
*w
= &player_walk
;
818 struct player_walk_animator
*animator
= &w
->animator
;
821 rb_extrapolate( &localplayer
.rb
, animator
->root_co
, _null
);
823 f32 walk_yaw
= player_get_heading_yaw(),
824 head_yaw
= localplayer
.angles
[0] + VG_PIf
,
825 y
= vg_angle_diff( head_yaw
, -walk_yaw
),
826 p
= vg_clampf( localplayer
.angles
[1],
827 -k_sit_pitch_limit
, k_sit_pitch_limit
);
829 if( fabsf(y
) > k_sit_yaw_limit
){
834 animator
->yaw
= vg_lerpf( animator
->yaw
, y
, vg
.time_delta
*2.0f
);
835 animator
->pitch
= vg_lerpf( animator
->pitch
, p
, vg
.time_delta
*2.8f
);
836 q_axis_angle( animator
->root_q
, (v3f
){0,1,0}, walk_yaw
+ VG_PIf
);
839 q_axis_angle( qrev
, (v3f
){0,1,0}, VG_TAUf
*0.5f
);
840 q_mul( localplayer
.rb
.q
, qrev
, animator
->root_q
);
843 static void player__walk_animate(void){
844 struct player_walk
*w
= &player_walk
;
845 player_pose
*pose
= &localplayer
.pose
;
846 struct player_walk_animator
*animator
= &w
->animator
;
848 animator
->activity
= w
->state
.activity
;
849 animator
->transition_t
= w
->state
.transition_t
;
852 f32 fly
= (w
->state
.activity
== k_walk_activity_air
)? 1.0f
: 0.0f
,
855 if( w
->state
.activity
== k_walk_activity_air
) rate
= 2.4f
;
858 animator
->fly
= vg_lerpf( animator
->fly
, fly
, rate
*vg
.time_delta
);
859 animator
->run
= vg_lerpf( animator
->run
, w
->move_speed
,
863 if( animator
->run
> 0.025f
){
864 f32 walk_norm
= 30.0f
/(float)w
->anim_walk
->length
,
865 run_norm
= 30.0f
/(float)w
->anim_run
->length
,
868 if( animator
->run
<= k_walkspeed
)
869 l
= (animator
->run
/ k_walkspeed
) * walk_norm
;
871 l
= vg_lerpf( walk_norm
, run_norm
,
872 (animator
->run
-k_walkspeed
) / (k_runspeed
-k_walkspeed
) );
874 w
->state
.walk_timer
+= l
* vg
.time_delta
;
877 w
->state
.walk_timer
= 0.0f
;
879 animator
->walk_timer
= w
->state
.walk_timer
;
881 player_walk_animate_generic();
882 if( w
->state
.activity
== k_walk_activity_odrop_in
){
883 player_walk_animate_drop_in();
886 if( (w
->state
.activity
== k_walk_activity_odrop_in
) ||
887 (w
->state
.activity
== k_walk_activity_oregular
) ||
888 (w
->state
.activity
== k_walk_activity_oair
) ){
889 localplayer
.cam_velocity_influence
= w
->animator
.transition_t
;
891 else if( w
->state
.activity
== k_walk_activity_ipopoff
){
892 localplayer
.cam_velocity_influence
= 1.0f
-w
->animator
.transition_t
;
895 localplayer
.cam_velocity_influence
= 0.0f
;
898 static void player_walk_pose_sit( struct player_walk_animator
*animator
,
900 mdl_keyframe bpose
[32];
902 struct player_walk
*w
= &player_walk
;
903 struct skeleton
*sk
= &localplayer
.skeleton
;
905 f32 t
= animator
->transition_t
,
906 st
= t
* ((f32
)(w
->anim_sit
->length
-1)/30.0f
);
907 skeleton_sample_anim( sk
, w
->anim_sit
, st
, bpose
);
910 f32
*qh
= bpose
[localplayer
.id_head
-1].q
;
911 q_axis_angle( qy
, (v3f
){0,1,0}, animator
->yaw
*0.5f
*t
);
912 q_axis_angle( qp
, (v3f
){0,0,1}, animator
->pitch
*t
);
917 qh
= bpose
[localplayer
.id_chest
-1].q
;
918 q_axis_angle( qy
, (v3f
){0,1,0}, animator
->yaw
*0.5f
*t
);
922 skeleton_lerp_pose( sk
, pose
->keyframes
, bpose
,
923 vg_minf(1.0f
,t
*10.0f
), pose
->keyframes
);
926 enum walk_transition_type
{
927 k_walk_transition_in
,
928 k_walk_transition_out
,
929 k_walk_transition_outin
,
932 static void player_walk_pose_transition(
933 struct player_walk_animator
*animator
, struct skeleton_anim
*anim
,
934 enum walk_transition_type type
,
935 mdl_keyframe apose
[32], f32
*mask
, player_pose
*pose
){
937 mdl_keyframe bpose
[32];
939 struct player_walk
*w
= &player_walk
;
940 struct skeleton
*sk
= &localplayer
.skeleton
;
942 f32 length
= (f32
)(anim
->length
-1) / anim
->rate
,
943 t
= animator
->transition_t
* length
,
946 if( type
== k_walk_transition_in
|| type
== k_walk_transition_outin
)
947 blend
= vg_minf( blend
, length
-t
);
949 if( type
== k_walk_transition_out
|| type
== k_walk_transition_outin
)
950 blend
= vg_minf( blend
, t
);
952 blend
= vg_smoothstepf( vg_minf(1,blend
/k_anim_transition
) );
954 skeleton_sample_anim_clamped( sk
, anim
, t
, bpose
);
956 mdl_keyframe
*kf_board
= &bpose
[localplayer
.id_board
-1];
957 f32 yaw
= animator
->board_yaw
* VG_TAUf
* 0.5f
;
960 q_axis_angle( qyaw
, (v3f
){0,1,0}, yaw
);
961 q_mul( kf_board
->q
, qyaw
, kf_board
->q
);
962 q_normalize( kf_board
->q
);
965 for( i32 i
=0; i
<sk
->bone_count
-1; i
++ )
966 keyframe_lerp( apose
+i
, bpose
+i
, blend
*mask
[i
], pose
->keyframes
+i
);
969 skeleton_lerp_pose( sk
, apose
, bpose
, blend
, pose
->keyframes
);
972 static void player__walk_pose( void *_animator
, player_pose
*pose
){
973 struct player_walk
*w
= &player_walk
;
974 struct player_walk_animator
*animator
= _animator
;
975 struct skeleton
*sk
= &localplayer
.skeleton
;
977 v3_copy( animator
->root_co
, pose
->root_co
);
978 v4_copy( animator
->root_q
, pose
->root_q
);
979 pose
->board
.lean
= 0.0f
;
980 pose
->type
= k_player_pose_type_ik
;
982 float walk_norm
= (float)w
->anim_walk
->length
/30.0f
,
983 run_norm
= (float)w
->anim_run
->length
/30.0f
,
984 t
= animator
->walk_timer
;
987 mdl_keyframe apose
[32], bpose
[32];
988 if( animator
->run
<= k_walkspeed
){
990 f32 l
= vg_minf( 1, (animator
->run
/k_walkspeed
)*6.0f
);
991 skeleton_sample_anim( sk
, w
->anim_idle
, vg
.time
*0.1f
, apose
);
992 skeleton_sample_anim( sk
, w
->anim_walk
, t
*walk_norm
, bpose
);
993 skeleton_lerp_pose( sk
, apose
, bpose
, l
, apose
);
997 f32 l
= (animator
->run
-k_walkspeed
) / (k_runspeed
-k_walkspeed
);
998 skeleton_sample_anim( sk
, w
->anim_walk
, t
*walk_norm
, apose
);
999 skeleton_sample_anim( sk
, w
->anim_run
, t
*run_norm
, bpose
);
1000 skeleton_lerp_pose( sk
, apose
, bpose
, l
, apose
);
1004 skeleton_sample_anim( sk
, w
->anim_jump
, vg
.time
*0.6f
, bpose
);
1005 skeleton_lerp_pose( sk
, apose
, bpose
, animator
->fly
, apose
);
1007 mdl_keyframe
*kf_board
= &apose
[localplayer
.id_board
-1];
1008 f32 yaw
= animator
->board_yaw
;
1010 if( animator
->activity
== k_walk_activity_ipopoff
)
1011 if( animator
->transition_t
> 0.5f
)
1015 q_axis_angle( qyaw
, (v3f
){0,1,0}, yaw
* VG_TAUf
* 0.5f
);
1016 q_mul( kf_board
->q
, qyaw
, kf_board
->q
);
1017 q_normalize( kf_board
->q
);
1020 if( (animator
->activity
== k_walk_activity_sit
) ||
1021 (animator
->activity
== k_walk_activity_sit_up
) ){
1022 player_walk_pose_sit( animator
, pose
);
1024 else if( animator
->activity
== k_walk_activity_odrop_in
){
1025 player_walk_pose_transition(
1026 animator
, w
->anim_drop_in
, k_walk_transition_out
, apose
,
1029 else if( animator
->activity
== k_walk_activity_oair
){
1030 player_walk_pose_transition(
1031 animator
, w
->anim_jump_to_air
, k_walk_transition_out
, apose
,
1034 else if( animator
->activity
== k_walk_activity_oregular
){
1035 player_walk_pose_transition(
1036 animator
, w
->anim_intro
, k_walk_transition_out
, apose
,
1039 else if( animator
->activity
== k_walk_activity_ipopoff
){
1040 if( animator
->run
> 0.2f
){
1041 f32 t
= 1.0f
-vg_minf( animator
->run
-0.2f
, 1.0f
),
1044 for( u32 i
=0; i
<32; i
++ )
1047 mask
[ localplayer
.id_ik_foot_l
-1 ] = t
;
1048 mask
[ localplayer
.id_ik_foot_r
-1 ] = t
;
1049 mask
[ localplayer
.id_ik_knee_l
-1 ] = t
;
1050 mask
[ localplayer
.id_ik_knee_r
-1 ] = t
;
1051 mask
[ localplayer
.id_hip
-1 ] = t
;
1052 player_walk_pose_transition(
1053 animator
, w
->anim_popoff
, k_walk_transition_in
, apose
,
1057 player_walk_pose_transition(
1058 animator
, w
->anim_popoff
, k_walk_transition_in
, apose
,
1063 skeleton_copy_pose( sk
, apose
, pose
->keyframes
);
1067 static void player__walk_post_animate(void){
1071 struct player_walk
*w
= &player_walk
;
1075 static void player__walk_im_gui(void){
1076 struct player_walk
*w
= &player_walk
;
1077 player__debugtext( 1, "V: %5.2f %5.2f %5.2f (%5.2fm/s)",
1078 localplayer
.rb
.v
[0], localplayer
.rb
.v
[1], localplayer
.rb
.v
[2],
1079 v3_length(localplayer
.rb
.v
) );
1080 player__debugtext( 1, "CO: %5.2f %5.2f %5.2f",localplayer
.rb
.co
[0],
1081 localplayer
.rb
.co
[1],
1082 localplayer
.rb
.co
[2] );
1083 player__debugtext( 1, "transition: %5.2f ", w
->state
.transition_t
);
1084 player__debugtext( 1, "activity: %s\n",
1085 (const char *[]){ "air",
1094 [w
->state
.activity
] );
1095 player__debugtext( 1, "surface: %s\n",
1096 (const char *[]){ "concrete",
1106 static void player__walk_bind(void){
1107 struct player_walk
*w
= &player_walk
;
1108 struct skeleton
*sk
= &localplayer
.skeleton
;
1110 w
->anim_idle
= skeleton_get_anim( sk
, "idle_cycle+y" );
1111 w
->anim_walk
= skeleton_get_anim( sk
, "walk+y" );
1112 w
->anim_run
= skeleton_get_anim( sk
, "run+y" );
1113 w
->anim_jump
= skeleton_get_anim( sk
, "jump+y" );
1114 w
->anim_jump_to_air
= skeleton_get_anim( sk
, "jump_to_air" );
1115 w
->anim_drop_in
= skeleton_get_anim( sk
, "drop_in" );
1116 w
->anim_intro
= skeleton_get_anim( sk
, "into_skate" );
1117 w
->anim_sit
= skeleton_get_anim( sk
, "sit" );
1118 w
->anim_popoff
= skeleton_get_anim( sk
, "pop_off_short" );
1121 static void player__walk_transition( bool grounded
, f32 board_yaw
){
1122 struct player_walk
*w
= &player_walk
;
1123 w
->state
.activity
= k_walk_activity_air
;
1126 w
->state
.activity
= k_walk_activity_ipopoff
;
1129 w
->state
.transition_t
= 0.0f
;
1130 w
->state
.jump_queued
= 0;
1131 w
->state
.jump_input_time
= 0.0;
1132 w
->state
.walk_timer
= 0.0f
;
1133 w
->state
.step_phase
= 0;
1134 w
->animator
.board_yaw
= fmodf( board_yaw
, 2.0f
);
1135 rb_update_transform( &localplayer
.rb
);
1138 static void player__walk_reset(void){
1139 struct player_walk
*w
= &player_walk
;
1140 w
->state
.activity
= k_walk_activity_air
;
1141 w
->state
.transition_t
= 0.0f
;
1143 v3f fwd
= { 0.0f
, 0.0f
, 1.0f
};
1144 q_mulv( localplayer
.rb
.q
, fwd
, fwd
);
1145 q_axis_angle( localplayer
.rb
.q
, (v3f
){0.0f
,1.0f
,0.0f
},
1146 atan2f(fwd
[0], fwd
[2]) );
1148 rb_update_transform( &localplayer
.rb
);
1151 static void player__walk_animator_exchange( bitpack_ctx
*ctx
, void *data
){
1152 struct player_walk_animator
*animator
= data
;
1154 bitpack_qv3f( ctx
, 24, -1024.0f
, 1024.0f
, animator
->root_co
);
1155 bitpack_qquat( ctx
, animator
->root_q
);
1156 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->fly
);
1157 bitpack_qf32( ctx
, 8, 0.0f
, k_runspeed
, &animator
->run
);
1158 bitpack_qf32( ctx
, 16, 0.0f
, 120.0f
, &animator
->walk_timer
);
1160 for( int i
=0; i
<1; i
++ ){ /* without this you get a warning from gcc. lol */
1161 bitpack_bytes( ctx
, 8, &animator
->activity
);
1164 bitpack_qf32( ctx
, 8, 0.0f
, 1.0f
, &animator
->transition_t
);
1166 if( (animator
->activity
== k_walk_activity_sit
) ||
1167 (animator
->activity
== k_walk_activity_sit_up
) ){
1168 bitpack_qf32( ctx
, 8, -k_sit_yaw_limit
, k_sit_yaw_limit
, &animator
->yaw
);
1169 bitpack_qf32( ctx
, 8, -k_sit_pitch_limit
, k_sit_pitch_limit
,
1173 bitpack_qf32( ctx
, 16, -100.0f
, 100.0f
, &animator
->board_yaw
);
1176 static void player__walk_sfx_oneshot( u8 id
, v3f pos
, f32 volume
){
1179 if( id
== k_player_walk_soundeffect_splash
){
1180 audio_oneshot_3d( &audio_splash
, pos
, 40.0f
, 1.0f
);
1185 #endif /* PLAYER_DEVICE_WALK_H */