4 #include "player_api.h"
6 #include "player_common.h"
7 #include "player_walk.h"
8 #include "player_skate.h"
9 #include "player_dead.h"
11 struct player_instance
13 /* transform definition */
18 m3x3f basis
, invbasis
, basis_gate
;
19 world_instance
*viewable_world
;
23 * ---------------------------
25 camera cam
; /* output final camera */
29 k_cam_firstperson
= 0,
33 float camera_type_blend
;
36 v3f fpv_offset
, /* expressed relative to rigidbody */
38 fpv_viewpoint
, /* expressed relative to neck bone inverse final */
45 float cam_velocity_influence
,
46 cam_velocity_coefficient
,
47 cam_velocity_constant
,
48 cam_velocity_coefficient_smooth
,
49 cam_velocity_constant_smooth
,
50 cam_velocity_influence_smooth
,
54 ent_gate
*gate_waiting
;
58 * --------------------------------
60 struct input_binding
*input_js1h
,
79 * --------------------------------------------------
82 struct player_avatar
*playeravatar
;
84 struct player_ragdoll ragdoll
;
87 player_pose holdout_pose
;
92 * -------------------------------------------------
97 k_player_subsystem_walk
= 0,
98 k_player_subsystem_skate
= 1,
99 k_player_subsystem_dead
= 2
103 struct player_skate _skate
;
104 struct player_walk _walk
;
105 struct player_dead _dead
;
110 * ---------------------------------------------------------
114 void (*_player_bind
[])( player_instance
*player
) =
122 void (*_player_reset
[])( player_instance
*player
, ent_spawn
*rp
) =
130 void (*_player_pre_update
[])( player_instance
*player
) =
132 player__walk_pre_update
,
133 player__skate_pre_update
,
138 void( *_player_update
[])( player_instance
*player
) =
141 player__skate_update
,
146 void( *_player_post_update
[])( player_instance
*player
) =
148 player__walk_post_update
,
149 player__skate_post_update
,
154 void( *_player_im_gui
[])( player_instance
*player
) =
157 player__skate_im_gui
,
162 void( *_player_animate
[])( player_instance
*player
, player_animation
*dest
) =
164 player__walk_animate
,
165 player__skate_animate
,
170 void( *_player_post_animate
[])( player_instance
*player
) =
172 player__walk_post_animate
,
173 player__skate_post_animate
,
174 player__dead_post_animate
180 #include "player_common.c"
181 #include "player_walk.c"
182 #include "player_skate.c"
183 #include "player_dead.c"
185 #endif /* PLAYER_H */
190 * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
197 #define PLAYER_REWIND_FRAMES 60*4
203 #include "skeleton.h"
208 * -----------------------------------------------------------------------------
210 * -----------------------------------------------------------------------------
213 VG_STATIC
struct gplayer
215 rigidbody rb
, rb_frame
;
216 v3f co
, angles
; /* used as transfer between controllers */
218 enum player_controller
220 k_player_controller_walk
,
221 k_player_controller_skate
,
222 k_player_controller_ragdoll
,
223 k_player_controller_mountain_skate
,
224 k_player_controller_snowboard
,
225 k_player_controller_drive
230 m4x3f visual_transform
,
231 inv_visual_transform
;
233 int is_dead
, death_tick_allowance
, rewinding
;
234 int rewind_sound_wait
;
237 v3f handl_target
, handr_target
,
241 struct input_binding
*input_js1h
,
256 v3f camera_pos
, smooth_localcam
;
264 u32 rewind_incrementer
,
267 float rewind_time
, rewind_total_length
, rewind_predicted_time
;
268 double diag_rewind_start
, diag_rewind_time
;
291 enum mdl_surface_prop surface_prop
;
296 glmesh player_meshes
[3];
300 struct skeleton_anim
*anim_stand
,
304 *anim_push
, *anim_push_reverse
,
305 *anim_ollie
, *anim_ollie_reverse
,
306 *anim_grabs
, *anim_stop
,
307 *anim_walk
, *anim_run
, *anim_idle
,
327 /* Collider transform relative to bone */
341 rb_constr_pos position_constraints
[32];
342 u32 position_constraints_count
;
344 rb_constr_swingtwist cone_constraints
[32];
345 u32 cone_constraints_count
;
356 .collide_front
= { .type
= k_rb_shape_sphere
, .inf
.sphere
.radius
= 0.3f
},
357 .collide_back
= { .type
= k_rb_shape_sphere
, .inf
.sphere
.radius
= 0.3f
}
366 VG_STATIC
float *player_get_pos(void);
367 VG_STATIC
void player_kill(void);
368 VG_STATIC
float *player_cam_pos(void);
369 VG_STATIC
void player_save_frame(void);
370 VG_STATIC
void player_restore_frame(void);
371 VG_STATIC
void player_save_rewind_frame(void);
376 VG_STATIC
void player_mouseview(void);
378 #include "player_physics.h"
379 #include "player_physics_skate.h"
380 #include "player_physics_walk.h"
381 #include "player_ragdoll.h"
382 #include "player_model.h"
383 #include "player_animation.h"
384 #include "player_audio.h"
387 * player_physics_<INTERFACE>_<SUB-INTERFACE>
394 * -----------------------------------------------------------------------------
396 * -----------------------------------------------------------------------------
398 VG_STATIC
int kill_player( int argc
, char const *argv
[] );
399 VG_STATIC
int reset_player( int argc
, char const *argv
[] );
400 VG_STATIC
void reset_player_poll( int argc
, char const *argv
[] );
402 VG_STATIC
void player_init(void) /* 1 */
404 rb_init( &player
.rb
);
406 VG_VAR_F32( k_walkspeed
);
407 VG_VAR_F32( k_stopspeed
);
408 VG_VAR_F32( k_airspeed
);
409 VG_VAR_F32( k_walk_friction
);
410 VG_VAR_F32( k_walk_air_accel
);
411 VG_VAR_F32( k_walk_accel
);
413 VG_VAR_I32( freecam
);
414 VG_VAR_I32( cl_thirdperson
);
415 VG_VAR_F32_PERSISTENT( fc_speed
);
417 /* TODO: NOT PERSISTENT */
418 VG_VAR_F32( k_ragdoll_limit_scale
);
419 VG_VAR_I32( k_ragdoll_div
);
420 VG_VAR_I32( k_ragdoll_debug_collider
);
421 VG_VAR_I32( k_ragdoll_debug_constraints
);
423 VG_VAR_F32( k_friction_lat
);
425 VG_VAR_F32( k_cog_spring
);
426 VG_VAR_F32( k_cog_damp
);
428 VG_VAR_F32( k_cog_mass_ratio
);
429 VG_VAR_F32( k_downforce
);
431 VG_VAR_F32( k_spring_force
);
432 VG_VAR_F32( k_spring_dampener
);
433 VG_VAR_F32( k_spring_angular
);
435 VG_VAR_F32( k_mmthrow_scale
);
436 VG_VAR_F32( k_mmcollect_lat
);
437 VG_VAR_F32( k_mmcollect_vert
);
438 VG_VAR_F32( k_mmdecay
);
440 vg_function_push( (struct vg_cmd
){
442 .function
= reset_player
,
443 .poll_suggest
= reset_player_poll
446 vg_function_push( (struct vg_cmd
){
448 .function
= kill_player
454 player
.rewind_length
= 0;
455 player
.rewind_buffer
=
456 vg_linear_alloc( vg_mem
.rtmemory
,
457 sizeof(struct rewind_frame
) * PLAYER_REWIND_FRAMES
);
462 VG_STATIC
void player_save_rewind_frame(void)
464 if( player
.rewind_length
< PLAYER_REWIND_FRAMES
)
466 struct rewind_frame
*fr
=
467 &player
.rewind_buffer
[ player
.rewind_length
++ ];
469 v2_copy( player
.angles
, fr
->ang
);
470 v3_copy( player
.camera_pos
, fr
->pos
);
472 player
.rewind_incrementer
= 0;
474 if( player
.rewind_length
> 1 )
476 player
.rewind_total_length
+=
477 v3_dist( player
.rewind_buffer
[player
.rewind_length
-1].pos
,
478 player
.rewind_buffer
[player
.rewind_length
-2].pos
);
485 VG_STATIC
int menu_enabled(void);
488 VG_STATIC
void player_do_motion(void);
490 * Free camera movement
492 VG_STATIC
void player_mouseview(void)
497 v2_muladds( player
.angles
, vg
.mouse_delta
, 0.0025f
, player
.angles
);
499 if( vg_input
.controller_should_use_trackpad_look
)
501 static v2f last_input
;
503 static v2f vel_smooth
;
505 v2f input
= { player
.input_js2h
->axis
.value
,
506 player
.input_js2v
->axis
.value
};
508 if( (v2_length2(last_input
) > 0.001f
) && (v2_length2(input
) > 0.001f
) )
510 v2_sub( input
, last_input
, vel
);
511 v2_muls( vel
, 1.0f
/vg
.time_delta
, vel
);
518 v2_lerp( vel_smooth
, vel
, vg
.time_delta
*8.0f
, vel_smooth
);
520 v2_muladds( player
.angles
, vel_smooth
, vg
.time_delta
, player
.angles
);
521 v2_copy( input
, last_input
);
525 player
.angles
[0] += player
.input_js2h
->axis
.value
* vg
.time_delta
* 4.0f
;
526 player
.angles
[1] += player
.input_js2v
->axis
.value
* vg
.time_delta
* 4.0f
;
529 player
.angles
[1] = vg_clampf( player
.angles
[1], -VG_PIf
*0.5f
, VG_PIf
*0.5f
);
532 /* Deal with input etc */
533 VG_STATIC
void player_update_pre(void)
538 v3_copy( main_camera
.pos
, ra
);
539 v3_muladds( ra
, main_camera
.transform
[2], -10.0f
, rb
);
542 if( spherecast_world( ra
, rb
, 0.4f
, &t
, rx
) != -1 )
545 m3x3_identity( mtx
);
546 v3_lerp( ra
, rb
, t
, mtx
[3] );
548 debug_sphere( mtx
, 0.4f
, 0xff00ff00 );
551 v3_muladds( mtx
[3], rx
, 0.4f
, x1
);
552 vg_line( mtx
[3], x1
, 0xffffffff );
558 vg_line_pt3( phys
->cog
, 0.10f
, 0xffffffff );
559 vg_line_pt3( phys
->cog
, 0.09f
, 0xffffffff );
560 vg_line_pt3( phys
->cog
, 0.08f
, 0xffffffff );
561 vg_line( phys
->cog
, phys
->rb
.co
, 0xff000000 );
564 v3f throw_end
, p0
, p1
;
565 v3_muladds( phys
->rb
.co
, phys
->rb
.up
, 1.0f
, spring_end
);
566 v3_muladds( spring_end
, phys
->throw_v
, 1.0f
, throw_end
);
567 v3_muladds( spring_end
, player
.debug_mmcollect_lat
, 1.0f
, p0
);
568 v3_muladds( spring_end
, player
.debug_mmcollect_vert
, 1.0f
, p1
);
569 vg_line( spring_end
, throw_end
, VG__RED
);
570 vg_line( spring_end
, p0
, VG__GREEN
);
571 vg_line( spring_end
, p1
, VG__BLUE
);
574 if( player
.rewinding
)
577 if( vg_input_button_down( player
.input_reset
) && !menu_enabled() )
579 double delta
= world
.time
- world
.last_use
;
581 if( (delta
<= RESET_MAX_TIME
) && (world
.last_use
!= 0.0) )
583 player
.rewinding
= 1;
584 player
.rewind_sound_wait
= 1;
585 player
.rewind_time
= (float)player
.rewind_length
- 0.0001f
;
586 player_save_rewind_frame();
588 audio_play_oneshot( &audio_rewind
[0], 1.0f
);
591 /* based on analytical testing. DONT CHANGE!
593 * time taken: y = (x^(4/5)) * 74.5
594 * inverse : x = (2/149)^(4/5) * y^(4/5)
597 float constant
= powf( 2.0f
/149.0f
, 4.0f
/5.0f
),
598 curve
= powf( player
.rewind_total_length
, 4.0f
/5.0f
);
600 player
.rewind_predicted_time
= constant
* curve
;
601 player
.diag_rewind_start
= vg
.time
;
602 player
.diag_rewind_time
= player
.rewind_time
;
605 player
.death_tick_allowance
= 30;
606 player_restore_frame();
608 if( player
.controller
== k_player_controller_walk
)
610 player
.angles
[0] = atan2f( -player
.rb
.forward
[2],
611 -player
.rb
.forward
[0] );
614 player
.mdl
.shoes
[0] = 1;
615 player
.mdl
.shoes
[1] = 1;
617 world_routes_notify_reset();
619 /* apply 1 frame of movement */
626 reset_player( 0, NULL
);
632 audio_play_oneshot( &audio_rewind
[4], 1.0f
);
638 if( vg_input_button_down( player
.input_switch_mode
) && !menu_enabled() )
643 if( phys
->controller
== k_player_controller_walk
)
645 phys
->controller
= k_player_controller_skate
;
647 v3_muladds( phys
->rb
.v
, phys
->rb
.forward
, 0.2f
, phys
->rb
.v
);
648 audio_play_oneshot( &audio_lands
[6], 1.0f
);
650 else if( phys
->controller
== k_player_controller_skate
)
652 phys
->controller
= k_player_controller_walk
;
654 audio_play_oneshot( &audio_lands
[5], 1.0f
);
661 if( player
.controller
== k_player_controller_walk
)
665 VG_STATIC
void player_update_fixed(void) /* 2 */
667 if( player
.rewinding
)
670 if( player
.death_tick_allowance
)
671 player
.death_tick_allowance
--;
675 player_ragdoll_iter();
679 player
.rewind_incrementer
++;
681 if( player
.rewind_incrementer
> (u32
)(0.25/VG_TIMESTEP_FIXED
) )
683 player_save_rewind_frame();
690 VG_STATIC
void player_update_post(void)
693 for( int i
=0; i
<player
.prediction_count
; i
++ )
695 struct land_prediction
*p
= &player
.predictions
[i
];
697 for( int j
=0; j
<p
->log_length
- 1; j
++ )
698 vg_line( p
->log
[j
], p
->log
[j
+1], p
->colour
);
700 vg_line_cross( p
->log
[p
->log_length
-1], p
->colour
, 0.25f
);
703 v3_add( p
->log
[p
->log_length
-1], p
->n
, p1
);
704 vg_line( p
->log
[p
->log_length
-1], p1
, 0xffffffff );
711 player_debug_ragdoll();
714 player_animate_death_cam();
723 player_animate_camera_thirdperson();
725 player_animate_camera();
733 /* CAMERA POSITIONING: LAYER 0 */
734 v2_copy( player
.angles
, main_camera
.angles
);
735 v3_copy( player
.camera_pos
, main_camera
.pos
);
738 if( player
.rewinding
)
740 if( player
.rewind_time
<= 0.0f
)
742 double taken
= vg
.time
- player
.diag_rewind_start
;
743 vg_success( "Rewind took (rt, pl, tl): %f, %f, %f\n",
744 taken
, player
.diag_rewind_time
,
745 player
.rewind_total_length
);
747 player
.rewinding
= 0;
748 player
.rewind_length
= 1;
749 player
.rewind_total_length
= 0.0f
;
750 player
.rewind_incrementer
= 0;
751 world
.sky_target_rate
= 1.0;
755 world
.sky_target_rate
= -100.0;
756 assert( player
.rewind_length
> 0 );
761 float budget
= vg
.time_delta
,
762 overall_length
= player
.rewind_length
;
764 world_routes_rollback_time( player
.rewind_time
/ overall_length
);
766 for( int i
=0; (i
<10)&&(player
.rewind_time
>0.0f
)&&(budget
>0.0f
); i
++ )
768 /* Interpolate frames */
769 int i0
= floorf( player
.rewind_time
),
770 i1
= VG_MIN( i0
+1, player
.rewind_length
-1 );
772 struct rewind_frame
*fr
= &player
.rewind_buffer
[i0
],
773 *fr1
= &player
.rewind_buffer
[i1
];
775 float dist
= vg_maxf( v3_dist( fr
->pos
, fr1
->pos
), 0.001f
),
776 subl
= vg_fractf( player
.rewind_time
) + 0.001f
,
778 sramp
= 3.0f
-(1.0f
/(0.4f
+0.4f
*player
.rewind_time
)),
779 speed
= sramp
*28.0f
+ 0.5f
*player
.rewind_time
,
780 mod
= speed
* (budget
/ dist
),
782 advl
= vg_minf( mod
, subl
),
783 advt
= (advl
/ mod
) * budget
;
785 player
.dist_accum
+= speed
* advt
;
786 player
.rewind_time
-= advl
;
790 player
.rewind_time
= vg_maxf( 0.0f
, player
.rewind_time
);
792 float current_time
= vg
.time
- player
.diag_rewind_start
,
793 remaining
= player
.rewind_predicted_time
- current_time
;
795 if( player
.rewind_sound_wait
)
797 if( player
.rewind_predicted_time
>= 6.5f
)
799 if( remaining
<= 6.5f
)
802 audio_play_oneshot( &audio_rewind
[3], 1.0f
);
804 player
.rewind_sound_wait
= 0;
807 else if( player
.rewind_predicted_time
>= 2.5f
)
809 if( remaining
<= 2.5f
)
812 audio_play_oneshot( &audio_rewind
[2], 1.0f
);
814 player
.rewind_sound_wait
= 0;
817 else if( player
.rewind_predicted_time
>= 1.5f
)
819 if( remaining
<= 1.5f
)
822 audio_play_oneshot( &audio_rewind
[1], 1.0f
);
824 player
.rewind_sound_wait
= 0;
829 int i0
= floorf( player
.rewind_time
),
830 i1
= VG_MIN( i0
+1, player
.rewind_length
-1 );
832 struct rewind_frame
*fr
= &player
.rewind_buffer
[i0
],
833 *fr1
= &player
.rewind_buffer
[i1
];
835 float sub
= vg_fractf(player
.rewind_time
);
837 v3_lerp( fr
->pos
, fr1
->pos
, sub
, override_pos
);
838 override_angles
[0] = vg_alerpf( fr
->ang
[0], fr1
->ang
[0], sub
);
839 override_angles
[1] = vg_lerpf ( fr
->ang
[1], fr1
->ang
[1], sub
);
841 /* CAMERA POSITIONING: LAYER 1 */
842 float blend
= (4.0f
-player
.rewind_time
) * 0.25f
,
843 c
= vg_clampf( blend
, 0.0f
, 1.0f
);
845 main_camera
.angles
[0] =
846 vg_alerpf(override_angles
[0], player
.angles
[0], c
);
847 main_camera
.angles
[1] =
848 vg_lerpf (override_angles
[1], player
.angles
[1], c
);
849 v3_lerp( override_pos
, player
.camera_pos
, c
, main_camera
.pos
);
854 camera_update_transform( &main_camera
);
858 VG_STATIC
void draw_player( camera
*cam
)
861 player_model_copy_ragdoll();
863 shader_viewchar_use();
864 vg_tex2d_bind( &tex_characters
, 0 );
865 shader_viewchar_uTexMain( 0 );
866 shader_viewchar_uCamera( cam
->transform
[3] );
867 shader_viewchar_uPv( cam
->mtx
.pv
);
868 shader_link_standard_ub( _shader_viewchar
.id
, 2 );
869 glUniformMatrix4x3fv( _uniform_viewchar_uTransforms
,
870 player
.mdl
.sk
.bone_count
,
872 (float *)player
.mdl
.sk
.final_mtx
);
874 mesh_bind( &player
.mdl
.player_meshes
[cl_playermdl_id
] );
875 mesh_draw( &player
.mdl
.player_meshes
[cl_playermdl_id
] );
878 VG_STATIC
void player_do_motion(void)
880 if( world
.water
.enabled
)
882 if( (player
.rb
.co
[1] < 0.0f
) && !player
.is_dead
)
885 audio_player_set_flags( &audio_player_extra
, AUDIO_FLAG_SPACIAL_3D
);
886 audio_player_set_position( &audio_player_extra
, player
.rb
.co
);
887 audio_player_set_vol( &audio_player_extra
, 20.0f
);
888 audio_player_playclip( &audio_player_extra
, &audio_splash
);
896 v3_copy( player
.rb
.co
, prevco
);
898 if( player
.controller
== k_player_controller_skate
)
901 player_skate_update();
905 player_walk_physics( &player_walky
);
908 /* Real angular velocity integration */
910 v3_lerp( phys
->rb
.w
, (v3f
){0.0f
,0.0f
,0.0f
}, 0.125f
*0.5f
, phys
->rb
.w
);
911 if( v3_length2( phys
->rb
.w
) > 0.0f
)
915 v3_copy( phys
->rb
.w
, axis
);
917 float mag
= v3_length( axis
);
918 v3_divs( axis
, mag
, axis
);
919 q_axis_angle( rotation
, axis
, mag
*k_rb_delta
);
920 q_mul( rotation
, phys
->rb
.q
, phys
->rb
.q
);
923 /* Faux angular velocity */
926 float lerpq
= (player_skate
.activity
== k_skate_activity_air
)? 0.04f
: 0.3f
;
927 phys
->siY
= vg_lerpf( phys
->siY
, phys
->iY
, lerpq
);
929 q_axis_angle( rotate
, phys
->rb
.up
, phys
->siY
);
930 q_mul( rotate
, phys
->rb
.q
, phys
->rb
.q
);
935 * Gate intersection, by tracing a line over the gate planes
938 for( int i
=0; i
<world
.gate_count
; i
++ )
940 struct route_gate
*rg
= &world
.gates
[i
];
941 teleport_gate
*gate
= &rg
->gate
;
943 if( gate_intersect( gate
, phys
->rb
.co
, prevco
) )
945 m4x3_mulv( gate
->transport
, phys
->rb
.co
, phys
->rb
.co
);
946 m4x3_mulv( gate
->transport
, phys
->cog
, phys
->cog
);
947 m3x3_mulv( gate
->transport
, phys
->cog_v
, phys
->cog_v
);
948 m3x3_mulv( gate
->transport
, phys
->rb
.v
, phys
->rb
.v
);
949 m3x3_mulv( gate
->transport
, phys
->vl
, phys
->vl
);
950 m3x3_mulv( gate
->transport
, phys
->v_last
, phys
->v_last
);
951 m3x3_mulv( gate
->transport
, phys
->m
, phys
->m
);
952 m3x3_mulv( gate
->transport
, phys
->bob
, phys
->bob
);
954 /* Pre-emptively edit the camera matrices so that the motion vectors
958 m4x3_invert_affine( gate
->transport
, transport_i
);
959 m4x3_expand( transport_i
, transport_4
);
960 m4x4_mul( main_camera
.mtx
.pv
, transport_4
, main_camera
.mtx
.pv
);
961 m4x4_mul( main_camera
.mtx
.v
, transport_4
, main_camera
.mtx
.v
);
963 v4f transport_rotation
;
964 m3x3_q( gate
->transport
, transport_rotation
);
965 q_mul( transport_rotation
, phys
->rb
.q
, phys
->rb
.q
);
967 world_routes_activate_gate( i
);
969 if( phys
->controller
== k_player_controller_walk
)
971 v3f fwd_dir
= {cosf(player
.angles
[0]),
973 sinf(player
.angles
[0])};
974 m3x3_mulv( gate
->transport
, fwd_dir
, fwd_dir
);
976 player
.angles
[0] = atan2f( fwd_dir
[2], fwd_dir
[0] );
979 player
.rewind_length
= 0;
980 player
.rewind_total_length
= 0.0f
;
981 player
.rewind_incrementer
= 10000;
985 audio_play_oneshot( &audio_gate_pass
, 1.0f
);
992 rb_update_transform( &player
.rb
);
996 * -----------------------------------------------------------------------------
998 * -----------------------------------------------------------------------------
1001 VG_STATIC
float *player_get_pos(void)
1003 return player
.rb
.co
;
1006 VG_STATIC
void player_kill(void)
1008 if( player
.death_tick_allowance
== 0 )
1011 player_ragdoll_copy_model( player
.rb
.v
);
1015 VG_STATIC
float *player_cam_pos(void)
1017 return player
.camera_pos
;
1021 VG_STATIC
void player_save_frame(void)
1023 player
.controller_frame
= player
.controller
;
1025 /* TODO <interface>->save() */
1028 VG_STATIC
void player_restore_frame(void)
1030 player
.controller
= player
.controller_frame
;
1032 /* TODO <interface>->load() */
1035 #endif /* PLAYER_H */