2 * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
9 #define PLAYER_REWIND_FRAMES 60*4
20 * -----------------------------------------------------------------------------
22 * -----------------------------------------------------------------------------
25 VG_STATIC
struct gplayer
27 rigidbody rb
, rb_frame
;
28 v3f co
, angles
; /* used as transfer between controllers */
30 enum player_controller
32 k_player_controller_walk
,
33 k_player_controller_skate
,
34 k_player_controller_ragdoll
,
35 k_player_controller_mountain_skate
,
36 k_player_controller_snowboard
,
37 k_player_controller_drive
42 m4x3f visual_transform
,
45 int is_dead
, death_tick_allowance
, rewinding
;
46 int rewind_sound_wait
;
49 v3f handl_target
, handr_target
,
53 struct input_binding
*input_js1h
,
68 v3f camera_pos
, smooth_localcam
;
76 u32 rewind_incrementer
,
79 float rewind_time
, rewind_total_length
, rewind_predicted_time
;
80 double diag_rewind_start
, diag_rewind_time
;
103 enum mdl_surface_prop surface_prop
;
108 glmesh player_meshes
[3];
112 struct skeleton_anim
*anim_stand
,
116 *anim_push
, *anim_push_reverse
,
117 *anim_ollie
, *anim_ollie_reverse
,
118 *anim_grabs
, *anim_stop
,
119 *anim_walk
, *anim_run
, *anim_idle
,
139 /* Collider transform relative to bone */
153 rb_constr_pos position_constraints
[32];
154 u32 position_constraints_count
;
156 rb_constr_swingtwist cone_constraints
[32];
157 u32 cone_constraints_count
;
168 .collide_front
= { .type
= k_rb_shape_sphere
, .inf
.sphere
.radius
= 0.3f
},
169 .collide_back
= { .type
= k_rb_shape_sphere
, .inf
.sphere
.radius
= 0.3f
}
178 VG_STATIC
float *player_get_pos(void);
179 VG_STATIC
void player_kill(void);
180 VG_STATIC
float *player_cam_pos(void);
181 VG_STATIC
void player_save_frame(void);
182 VG_STATIC
void player_restore_frame(void);
183 VG_STATIC
void player_save_rewind_frame(void);
188 VG_STATIC
void player_mouseview(void);
190 #include "player_physics.h"
191 #include "player_physics_skate.h"
192 #include "player_physics_walk.h"
193 #include "player_ragdoll.h"
194 #include "player_model.h"
195 #include "player_animation.h"
196 #include "player_audio.h"
199 * player_physics_<INTERFACE>_<SUB-INTERFACE>
206 * -----------------------------------------------------------------------------
208 * -----------------------------------------------------------------------------
210 VG_STATIC
int kill_player( int argc
, char const *argv
[] );
211 VG_STATIC
int reset_player( int argc
, char const *argv
[] );
212 VG_STATIC
void reset_player_poll( int argc
, char const *argv
[] );
214 VG_STATIC
void player_init(void) /* 1 */
217 player
.input_js1h
= vg_create_named_input( "steer-h", k_input_type_axis
);
218 player
.input_js1v
= vg_create_named_input( "steer-v", k_input_type_axis
);
219 player
.input_grab
= vg_create_named_input( "grab", k_input_type_axis_norm
);
220 player
.input_js2h
= vg_create_named_input( "grab-h", k_input_type_axis
);
221 player
.input_js2v
= vg_create_named_input( "grab-v", k_input_type_axis
);
222 player
.input_jump
= vg_create_named_input( "jump", k_input_type_button
);
223 player
.input_push
= vg_create_named_input( "push", k_input_type_button
);
224 player
.input_walk
= vg_create_named_input( "walk", k_input_type_button
);
226 player
.input_walkh
= vg_create_named_input( "walk-h",
228 player
.input_walkv
= vg_create_named_input( "walk-v",
232 player
.input_switch_mode
= vg_create_named_input( "switch-mode",
233 k_input_type_button
);
234 player
.input_reset
= vg_create_named_input( "reset", k_input_type_button
);
236 const char *default_cfg
[] =
238 "bind steer-h gp-ls-h",
242 "bind steer-v gp-ls-v",
248 "bind grab-h gp-rs-h",
249 "bind grab-v gp-rs-v",
260 "bind walk-h gp-ls-h",
261 "bind walk-v -gp-ls-v",
270 "bind switch-mode gp-y",
271 "bind switch-mode e",
274 for( int i
=0; i
<vg_list_size(default_cfg
); i
++ )
275 vg_execute_console_input(default_cfg
[i
]);
278 rb_init( &player
.rb
);
280 VG_VAR_F32( k_walkspeed
);
281 VG_VAR_F32( k_stopspeed
);
282 VG_VAR_F32( k_airspeed
);
283 VG_VAR_F32( k_walk_friction
);
284 VG_VAR_F32( k_walk_air_accel
);
285 VG_VAR_F32( k_runspeed
);
286 VG_VAR_F32( k_walk_accel
);
288 VG_VAR_I32( freecam
);
289 VG_VAR_I32( cl_thirdperson
);
290 VG_VAR_F32_PERSISTENT( fc_speed
);
292 /* TODO: NOT PERSISTENT */
293 VG_VAR_F32( k_ragdoll_limit_scale
);
294 VG_VAR_I32( k_ragdoll_div
);
295 VG_VAR_I32( k_ragdoll_debug_collider
);
296 VG_VAR_I32( k_ragdoll_debug_constraints
);
298 VG_VAR_F32( k_friction_lat
);
300 VG_VAR_F32( k_cog_spring
);
301 VG_VAR_F32( k_cog_damp
);
303 VG_VAR_F32( k_cog_mass_ratio
);
304 VG_VAR_F32( k_downforce
);
306 VG_VAR_F32( k_spring_force
);
307 VG_VAR_F32( k_spring_dampener
);
308 VG_VAR_F32( k_spring_angular
);
310 VG_VAR_F32( k_mmthrow_scale
);
311 VG_VAR_F32( k_mmcollect_lat
);
312 VG_VAR_F32( k_mmcollect_vert
);
313 VG_VAR_F32( k_mmdecay
);
315 vg_function_push( (struct vg_cmd
){
317 .function
= reset_player
,
318 .poll_suggest
= reset_player_poll
321 vg_function_push( (struct vg_cmd
){
323 .function
= kill_player
329 player
.rewind_length
= 0;
330 player
.rewind_buffer
=
331 vg_linear_alloc( vg_mem
.rtmemory
,
332 sizeof(struct rewind_frame
) * PLAYER_REWIND_FRAMES
);
337 VG_STATIC
void player_save_rewind_frame(void)
339 if( player
.rewind_length
< PLAYER_REWIND_FRAMES
)
341 struct rewind_frame
*fr
=
342 &player
.rewind_buffer
[ player
.rewind_length
++ ];
344 v2_copy( player
.angles
, fr
->ang
);
345 v3_copy( player
.camera_pos
, fr
->pos
);
347 player
.rewind_incrementer
= 0;
349 if( player
.rewind_length
> 1 )
351 player
.rewind_total_length
+=
352 v3_dist( player
.rewind_buffer
[player
.rewind_length
-1].pos
,
353 player
.rewind_buffer
[player
.rewind_length
-2].pos
);
360 VG_STATIC
int menu_enabled(void);
363 VG_STATIC
void player_do_motion(void);
365 * Free camera movement
367 VG_STATIC
void player_mouseview(void)
372 v2_muladds( player
.angles
, vg
.mouse_delta
, 0.0025f
, player
.angles
);
374 if( vg_input
.controller_should_use_trackpad_look
)
376 static v2f last_input
;
378 static v2f vel_smooth
;
380 v2f input
= { player
.input_js2h
->axis
.value
,
381 player
.input_js2v
->axis
.value
};
383 if( (v2_length2(last_input
) > 0.001f
) && (v2_length2(input
) > 0.001f
) )
385 v2_sub( input
, last_input
, vel
);
386 v2_muls( vel
, 1.0f
/vg
.time_delta
, vel
);
393 v2_lerp( vel_smooth
, vel
, vg
.time_delta
*8.0f
, vel_smooth
);
395 v2_muladds( player
.angles
, vel_smooth
, vg
.time_delta
, player
.angles
);
396 v2_copy( input
, last_input
);
400 player
.angles
[0] += player
.input_js2h
->axis
.value
* vg
.time_delta
* 4.0f
;
401 player
.angles
[1] += player
.input_js2v
->axis
.value
* vg
.time_delta
* 4.0f
;
404 player
.angles
[1] = vg_clampf( player
.angles
[1], -VG_PIf
*0.5f
, VG_PIf
*0.5f
);
407 /* Deal with input etc */
408 VG_STATIC
void player_update_pre(void)
413 v3_copy( main_camera
.pos
, ra
);
414 v3_muladds( ra
, main_camera
.transform
[2], -10.0f
, rb
);
417 if( spherecast_world( ra
, rb
, 0.4f
, &t
, rx
) != -1 )
420 m3x3_identity( mtx
);
421 v3_lerp( ra
, rb
, t
, mtx
[3] );
423 debug_sphere( mtx
, 0.4f
, 0xff00ff00 );
426 v3_muladds( mtx
[3], rx
, 0.4f
, x1
);
427 vg_line( mtx
[3], x1
, 0xffffffff );
433 vg_line_pt3( phys
->cog
, 0.10f
, 0xffffffff );
434 vg_line_pt3( phys
->cog
, 0.09f
, 0xffffffff );
435 vg_line_pt3( phys
->cog
, 0.08f
, 0xffffffff );
436 vg_line( phys
->cog
, phys
->rb
.co
, 0xff000000 );
439 v3f throw_end
, p0
, p1
;
440 v3_muladds( phys
->rb
.co
, phys
->rb
.up
, 1.0f
, spring_end
);
441 v3_muladds( spring_end
, phys
->throw_v
, 1.0f
, throw_end
);
442 v3_muladds( spring_end
, player
.debug_mmcollect_lat
, 1.0f
, p0
);
443 v3_muladds( spring_end
, player
.debug_mmcollect_vert
, 1.0f
, p1
);
444 vg_line( spring_end
, throw_end
, VG__RED
);
445 vg_line( spring_end
, p0
, VG__GREEN
);
446 vg_line( spring_end
, p1
, VG__BLUE
);
449 if( player
.rewinding
)
452 if( vg_input_button_down( player
.input_reset
) && !menu_enabled() )
454 double delta
= world
.time
- world
.last_use
;
456 if( (delta
<= RESET_MAX_TIME
) && (world
.last_use
!= 0.0) )
458 player
.rewinding
= 1;
459 player
.rewind_sound_wait
= 1;
460 player
.rewind_time
= (float)player
.rewind_length
- 0.0001f
;
461 player_save_rewind_frame();
463 audio_play_oneshot( &audio_rewind
[0], 1.0f
);
466 /* based on analytical testing. DONT CHANGE!
468 * time taken: y = (x^(4/5)) * 74.5
469 * inverse : x = (2/149)^(4/5) * y^(4/5)
472 float constant
= powf( 2.0f
/149.0f
, 4.0f
/5.0f
),
473 curve
= powf( player
.rewind_total_length
, 4.0f
/5.0f
);
475 player
.rewind_predicted_time
= constant
* curve
;
476 player
.diag_rewind_start
= vg
.time
;
477 player
.diag_rewind_time
= player
.rewind_time
;
480 player
.death_tick_allowance
= 30;
481 player_restore_frame();
483 if( player
.controller
== k_player_controller_walk
)
485 player
.angles
[0] = atan2f( -player
.rb
.forward
[2],
486 -player
.rb
.forward
[0] );
489 player
.mdl
.shoes
[0] = 1;
490 player
.mdl
.shoes
[1] = 1;
492 world_routes_notify_reset();
494 /* apply 1 frame of movement */
501 reset_player( 0, NULL
);
507 audio_play_oneshot( &audio_rewind
[4], 1.0f
);
513 if( vg_input_button_down( player
.input_switch_mode
) && !menu_enabled() )
518 if( phys
->controller
== k_player_controller_walk
)
520 phys
->controller
= k_player_controller_skate
;
522 v3_muladds( phys
->rb
.v
, phys
->rb
.forward
, 0.2f
, phys
->rb
.v
);
523 audio_play_oneshot( &audio_lands
[6], 1.0f
);
525 else if( phys
->controller
== k_player_controller_skate
)
527 phys
->controller
= k_player_controller_walk
;
529 audio_play_oneshot( &audio_lands
[5], 1.0f
);
536 if( player
.controller
== k_player_controller_walk
)
540 VG_STATIC
void player_update_fixed(void) /* 2 */
542 if( player
.rewinding
)
545 if( player
.death_tick_allowance
)
546 player
.death_tick_allowance
--;
550 player_ragdoll_iter();
554 player
.rewind_incrementer
++;
556 if( player
.rewind_incrementer
> (u32
)(0.25/VG_TIMESTEP_FIXED
) )
558 player_save_rewind_frame();
565 VG_STATIC
void player_update_post(void)
568 for( int i
=0; i
<player
.prediction_count
; i
++ )
570 struct land_prediction
*p
= &player
.predictions
[i
];
572 for( int j
=0; j
<p
->log_length
- 1; j
++ )
573 vg_line( p
->log
[j
], p
->log
[j
+1], p
->colour
);
575 vg_line_cross( p
->log
[p
->log_length
-1], p
->colour
, 0.25f
);
578 v3_add( p
->log
[p
->log_length
-1], p
->n
, p1
);
579 vg_line( p
->log
[p
->log_length
-1], p1
, 0xffffffff );
586 player_debug_ragdoll();
589 player_animate_death_cam();
598 player_animate_camera_thirdperson();
600 player_animate_camera();
608 /* CAMERA POSITIONING: LAYER 0 */
609 v2_copy( player
.angles
, main_camera
.angles
);
610 v3_copy( player
.camera_pos
, main_camera
.pos
);
613 if( player
.rewinding
)
615 if( player
.rewind_time
<= 0.0f
)
617 double taken
= vg
.time
- player
.diag_rewind_start
;
618 vg_success( "Rewind took (rt, pl, tl): %f, %f, %f\n",
619 taken
, player
.diag_rewind_time
,
620 player
.rewind_total_length
);
622 player
.rewinding
= 0;
623 player
.rewind_length
= 1;
624 player
.rewind_total_length
= 0.0f
;
625 player
.rewind_incrementer
= 0;
626 world
.sky_target_rate
= 1.0;
630 world
.sky_target_rate
= -100.0;
631 assert( player
.rewind_length
> 0 );
636 float budget
= vg
.time_delta
,
637 overall_length
= player
.rewind_length
;
639 world_routes_rollback_time( player
.rewind_time
/ overall_length
);
641 for( int i
=0; (i
<10)&&(player
.rewind_time
>0.0f
)&&(budget
>0.0f
); i
++ )
643 /* Interpolate frames */
644 int i0
= floorf( player
.rewind_time
),
645 i1
= VG_MIN( i0
+1, player
.rewind_length
-1 );
647 struct rewind_frame
*fr
= &player
.rewind_buffer
[i0
],
648 *fr1
= &player
.rewind_buffer
[i1
];
650 float dist
= vg_maxf( v3_dist( fr
->pos
, fr1
->pos
), 0.001f
),
651 subl
= vg_fractf( player
.rewind_time
) + 0.001f
,
653 sramp
= 3.0f
-(1.0f
/(0.4f
+0.4f
*player
.rewind_time
)),
654 speed
= sramp
*28.0f
+ 0.5f
*player
.rewind_time
,
655 mod
= speed
* (budget
/ dist
),
657 advl
= vg_minf( mod
, subl
),
658 advt
= (advl
/ mod
) * budget
;
660 player
.dist_accum
+= speed
* advt
;
661 player
.rewind_time
-= advl
;
665 player
.rewind_time
= vg_maxf( 0.0f
, player
.rewind_time
);
667 float current_time
= vg
.time
- player
.diag_rewind_start
,
668 remaining
= player
.rewind_predicted_time
- current_time
;
670 if( player
.rewind_sound_wait
)
672 if( player
.rewind_predicted_time
>= 6.5f
)
674 if( remaining
<= 6.5f
)
677 audio_play_oneshot( &audio_rewind
[3], 1.0f
);
679 player
.rewind_sound_wait
= 0;
682 else if( player
.rewind_predicted_time
>= 2.5f
)
684 if( remaining
<= 2.5f
)
687 audio_play_oneshot( &audio_rewind
[2], 1.0f
);
689 player
.rewind_sound_wait
= 0;
692 else if( player
.rewind_predicted_time
>= 1.5f
)
694 if( remaining
<= 1.5f
)
697 audio_play_oneshot( &audio_rewind
[1], 1.0f
);
699 player
.rewind_sound_wait
= 0;
704 int i0
= floorf( player
.rewind_time
),
705 i1
= VG_MIN( i0
+1, player
.rewind_length
-1 );
707 struct rewind_frame
*fr
= &player
.rewind_buffer
[i0
],
708 *fr1
= &player
.rewind_buffer
[i1
];
710 float sub
= vg_fractf(player
.rewind_time
);
712 v3_lerp( fr
->pos
, fr1
->pos
, sub
, override_pos
);
713 override_angles
[0] = vg_alerpf( fr
->ang
[0], fr1
->ang
[0], sub
);
714 override_angles
[1] = vg_lerpf ( fr
->ang
[1], fr1
->ang
[1], sub
);
716 /* CAMERA POSITIONING: LAYER 1 */
717 float blend
= (4.0f
-player
.rewind_time
) * 0.25f
,
718 c
= vg_clampf( blend
, 0.0f
, 1.0f
);
720 main_camera
.angles
[0] =
721 vg_alerpf(override_angles
[0], player
.angles
[0], c
);
722 main_camera
.angles
[1] =
723 vg_lerpf (override_angles
[1], player
.angles
[1], c
);
724 v3_lerp( override_pos
, player
.camera_pos
, c
, main_camera
.pos
);
729 camera_update_transform( &main_camera
);
733 VG_STATIC
void draw_player( camera
*cam
)
736 player_model_copy_ragdoll();
738 shader_viewchar_use();
739 vg_tex2d_bind( &tex_characters
, 0 );
740 shader_viewchar_uTexMain( 0 );
741 shader_viewchar_uCamera( cam
->transform
[3] );
742 shader_viewchar_uPv( cam
->mtx
.pv
);
743 shader_link_standard_ub( _shader_viewchar
.id
, 2 );
744 glUniformMatrix4x3fv( _uniform_viewchar_uTransforms
,
745 player
.mdl
.sk
.bone_count
,
747 (float *)player
.mdl
.sk
.final_mtx
);
749 mesh_bind( &player
.mdl
.player_meshes
[cl_playermdl_id
] );
750 mesh_draw( &player
.mdl
.player_meshes
[cl_playermdl_id
] );
753 VG_STATIC
void player_do_motion(void)
755 if( world
.water
.enabled
)
757 if( (player
.rb
.co
[1] < 0.0f
) && !player
.is_dead
)
760 audio_player_set_flags( &audio_player_extra
, AUDIO_FLAG_SPACIAL_3D
);
761 audio_player_set_position( &audio_player_extra
, player
.rb
.co
);
762 audio_player_set_vol( &audio_player_extra
, 20.0f
);
763 audio_player_playclip( &audio_player_extra
, &audio_splash
);
771 v3_copy( player
.rb
.co
, prevco
);
773 if( player
.controller
== k_player_controller_skate
)
776 player_skate_update();
780 player_walk_physics( &player_walky
);
783 /* Real angular velocity integration */
785 v3_lerp( phys
->rb
.w
, (v3f
){0.0f
,0.0f
,0.0f
}, 0.125f
*0.5f
, phys
->rb
.w
);
786 if( v3_length2( phys
->rb
.w
) > 0.0f
)
790 v3_copy( phys
->rb
.w
, axis
);
792 float mag
= v3_length( axis
);
793 v3_divs( axis
, mag
, axis
);
794 q_axis_angle( rotation
, axis
, mag
*k_rb_delta
);
795 q_mul( rotation
, phys
->rb
.q
, phys
->rb
.q
);
798 /* Faux angular velocity */
801 float lerpq
= (player_skate
.activity
== k_skate_activity_air
)? 0.04f
: 0.3f
;
802 phys
->siY
= vg_lerpf( phys
->siY
, phys
->iY
, lerpq
);
804 q_axis_angle( rotate
, phys
->rb
.up
, phys
->siY
);
805 q_mul( rotate
, phys
->rb
.q
, phys
->rb
.q
);
810 * Gate intersection, by tracing a line over the gate planes
813 for( int i
=0; i
<world
.gate_count
; i
++ )
815 struct route_gate
*rg
= &world
.gates
[i
];
816 teleport_gate
*gate
= &rg
->gate
;
818 if( gate_intersect( gate
, phys
->rb
.co
, prevco
) )
820 m4x3_mulv( gate
->transport
, phys
->rb
.co
, phys
->rb
.co
);
821 m4x3_mulv( gate
->transport
, phys
->cog
, phys
->cog
);
822 m3x3_mulv( gate
->transport
, phys
->cog_v
, phys
->cog_v
);
823 m3x3_mulv( gate
->transport
, phys
->rb
.v
, phys
->rb
.v
);
824 m3x3_mulv( gate
->transport
, phys
->vl
, phys
->vl
);
825 m3x3_mulv( gate
->transport
, phys
->v_last
, phys
->v_last
);
826 m3x3_mulv( gate
->transport
, phys
->m
, phys
->m
);
827 m3x3_mulv( gate
->transport
, phys
->bob
, phys
->bob
);
829 /* Pre-emptively edit the camera matrices so that the motion vectors
833 m4x3_invert_affine( gate
->transport
, transport_i
);
834 m4x3_expand( transport_i
, transport_4
);
835 m4x4_mul( main_camera
.mtx
.pv
, transport_4
, main_camera
.mtx
.pv
);
836 m4x4_mul( main_camera
.mtx
.v
, transport_4
, main_camera
.mtx
.v
);
838 v4f transport_rotation
;
839 m3x3_q( gate
->transport
, transport_rotation
);
840 q_mul( transport_rotation
, phys
->rb
.q
, phys
->rb
.q
);
842 world_routes_activate_gate( i
);
844 if( phys
->controller
== k_player_controller_walk
)
846 v3f fwd_dir
= {cosf(player
.angles
[0]),
848 sinf(player
.angles
[0])};
849 m3x3_mulv( gate
->transport
, fwd_dir
, fwd_dir
);
851 player
.angles
[0] = atan2f( fwd_dir
[2], fwd_dir
[0] );
854 player
.rewind_length
= 0;
855 player
.rewind_total_length
= 0.0f
;
856 player
.rewind_incrementer
= 10000;
860 audio_play_oneshot( &audio_gate_pass
, 1.0f
);
867 rb_update_transform( &player
.rb
);
871 * -----------------------------------------------------------------------------
873 * -----------------------------------------------------------------------------
876 VG_STATIC
float *player_get_pos(void)
881 VG_STATIC
void player_kill(void)
883 if( player
.death_tick_allowance
== 0 )
886 player_ragdoll_copy_model( player
.rb
.v
);
890 VG_STATIC
float *player_cam_pos(void)
892 return player
.camera_pos
;
896 VG_STATIC
void player_save_frame(void)
898 player
.controller_frame
= player
.controller
;
900 /* TODO <interface>->save() */
903 VG_STATIC
void player_restore_frame(void)
905 player
.controller
= player
.controller_frame
;
907 /* TODO <interface>->load() */
910 #endif /* PLAYER_H */