2 * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
8 #define PLAYER_REWIND_FRAMES 60*4
17 k_walkspeed
= 20.0f
, /* no longer used */
19 k_board_radius
= 0.3f
,
20 k_board_length
= 0.45f
,
21 k_board_allowance
= 0.04f
,
22 //k_friction_lat = 8.8f,
23 k_friction_lat
= 12.0f
,
24 k_friction_resistance
= 0.01f
,
25 k_max_push_speed
= 16.0f
,
27 k_push_cycle_rate
= 8.0f
,
28 k_steer_ground
= 2.5f
,
30 k_steer_air_lerp
= 0.3f
,
33 k_walk_downforce
= 8.0f
,
34 k_jump_charge_speed
= (1.0f
/1.0f
),
38 k_walk_accel
= 150.0f
,
39 k_walk_friction
= 8.0f
;
41 static int freecam
= 0;
42 static int walk_grid_iterations
= 1;
43 static float fc_speed
= 10.0f
;
46 * -----------------------------------------------------------------------------
48 * -----------------------------------------------------------------------------
54 rigidbody collide_front
, collide_back
;
58 rigidbody rb
, rb_gate_frame
;
59 float iY
, siY
; /* Yaw inertia */
61 v3f a
, v_last
, m
, bob
, vl
;
64 float vswitch
, slip
, slip_last
,
67 float grab
, jump
, pushing
, push_time
;
69 int in_air
, on_board
, jump_charge
, jump_dir
;
76 m4x3f visual_transform
,
79 int is_dead
, death_tick_allowance
, rewinding
;
80 int rewind_sound_wait
;
83 v3f land_target_log
[22];
84 u32 land_target_colours
[22];
87 v3f handl_target
, handr_target
,
94 v3f camera_pos
, smooth_localcam
;
103 u32 rewind_incrementer
,
106 float rewind_time
, rewind_total_length
, rewind_predicted_time
;
107 double diag_rewind_start
, diag_rewind_time
;
132 struct skeleton_anim
*anim_stand
,
136 *anim_push
, *anim_push_reverse
,
137 *anim_ollie
, *anim_ollie_reverse
,
138 *anim_grabs
, *anim_stop
,
139 *anim_walk
, *anim_run
, *anim_idle
,
171 .collide_front
= { .type
= k_rb_shape_sphere
, .inf
.sphere
.radius
= 0.3f
},
172 .collide_back
= { .type
= k_rb_shape_sphere
, .inf
.sphere
.radius
= 0.3f
}
178 static float *player_get_pos(void);
179 static void player_kill(void);
180 static float *player_cam_pos(void);
181 static void player_save_frame(void);
182 static void player_restore_frame(void);
183 static void player_save_rewind_frame(void);
188 #include "player_physics.h"
189 #include "player_ragdoll.h"
190 #include "player_model.h"
191 #include "player_animation.h"
192 #include "player_audio.h"
195 * -----------------------------------------------------------------------------
197 * -----------------------------------------------------------------------------
200 static void player_init(void) /* 1 */
202 rb_init( &player
.phys
.rb
);
203 rb_init( &player
.collide_front
);
204 rb_init( &player
.collide_back
);
206 vg_convar_push( (struct vg_convar
){
207 .name
= "walk_speed",
208 .data
= &k_walkspeed
,
209 .data_type
= k_convar_dtype_f32
,
210 .opt_f32
= { .clamp
= 0 },
214 vg_convar_push( (struct vg_convar
){
217 .data_type
= k_convar_dtype_f32
,
218 .opt_f32
= { .clamp
= 0 },
222 vg_convar_push( (struct vg_convar
){
223 .name
= "walk_accel",
224 .data
= &k_walk_accel
,
225 .data_type
= k_convar_dtype_f32
,
226 .opt_f32
= { .clamp
= 0 },
230 vg_convar_push( (struct vg_convar
){
233 .data_type
= k_convar_dtype_i32
,
234 .opt_i32
= { .min
=0, .max
=1, .clamp
=1 },
238 vg_convar_push( (struct vg_convar
){
241 .data_type
= k_convar_dtype_f32
,
242 .opt_f32
= { .clamp
= 0 },
246 vg_function_push( (struct vg_cmd
){
248 .function
= reset_player
251 player
.rewind_length
= 0;
252 player
.rewind_buffer
= vg_alloc( sizeof(struct rewind_frame
)
253 * PLAYER_REWIND_FRAMES
);
256 vg_loader_highwater( player_model_init
, player_model_free
, NULL
);
259 static void player_save_rewind_frame(void)
261 if( player
.rewind_length
< PLAYER_REWIND_FRAMES
)
263 struct rewind_frame
*fr
=
264 &player
.rewind_buffer
[ player
.rewind_length
++ ];
266 v2_copy( player
.angles
, fr
->ang
);
267 v3_copy( player
.camera_pos
, fr
->pos
);
269 player
.rewind_incrementer
= 0;
271 if( player
.rewind_length
> 1 )
273 player
.rewind_total_length
+=
274 v3_dist( player
.rewind_buffer
[player
.rewind_length
-1].pos
,
275 player
.rewind_buffer
[player
.rewind_length
-2].pos
);
280 /* Deal with input etc */
281 static void player_update_pre(void)
283 struct player_phys
*phys
= &player
.phys
;
285 if( player
.rewinding
)
290 if( vg_get_button_down( "reset" ) )
292 double delta
= world
.routes
.time
- world
.routes
.last_use
;
294 if( delta
<= RESET_MAX_TIME
)
296 player
.rewinding
= 1;
297 player
.rewind_sound_wait
= 1;
298 player
.rewind_time
= (float)player
.rewind_length
- 0.0001f
;
299 player_save_rewind_frame();
301 audio_play_oneshot( &audio_rewind
[0], 1.0f
);
304 /* based on analytical testing. DONT CHANGE!
306 * time taken: y = (x^(4/5)) * 74.5
307 * inverse : x = (2/149)^(4/5) * y^(4/5)
310 float constant
= powf( 2.0f
/149.0f
, 4.0f
/5.0f
),
311 curve
= powf( player
.rewind_total_length
, 4.0f
/5.0f
);
313 player
.rewind_predicted_time
= constant
* curve
;
314 player
.diag_rewind_start
= vg
.time
;
315 player
.diag_rewind_time
= player
.rewind_time
;
318 player
.death_tick_allowance
= 30;
319 player_restore_frame();
321 if( !phys
->on_board
)
323 player
.angles
[0] = atan2f( -phys
->rb
.forward
[2],
324 -phys
->rb
.forward
[0] );
327 player
.mdl
.shoes
[0] = 1;
328 player
.mdl
.shoes
[1] = 1;
330 world_routes_notify_reset();
332 /* apply 1 frame of movement */
337 if( vg_get_button_down( "switchmode" ) )
339 phys
->on_board
^= 0x1;
344 v3_muladds( phys
->rb
.v
, phys
->rb
.forward
, 0.2f
, phys
->rb
.v
);
345 audio_play_oneshot( &audio_lands
[6], 1.0f
);
349 audio_play_oneshot( &audio_lands
[5], 1.0f
);
356 static void player_update_fixed(void) /* 2 */
358 if( player
.rewinding
)
361 if( player
.death_tick_allowance
)
362 player
.death_tick_allowance
--;
364 struct player_phys
*phys
= &player
.phys
;
368 player_ragdoll_iter();
372 player
.rewind_incrementer
++;
374 if( player
.rewind_incrementer
> (u32
)(0.25/VG_TIMESTEP_FIXED
) )
376 player_save_rewind_frame();
383 static void player_update_post(void)
385 for( int i
=0; i
<player
.land_log_count
; i
++ )
386 vg_line_cross( player
.land_target_log
[i
],
387 player
.land_target_colours
[i
], 0.25f
);
391 player_debug_ragdoll();
394 player_animate_death_cam();
401 player_animate_camera();
408 /* CAMERA POSITIONING: LAYER 0 */
409 v2_copy( player
.angles
, camera_angles
);
410 v3_copy( player
.camera_pos
, camera_pos
);
412 if( player
.rewinding
)
414 if( player
.rewind_time
<= 0.0f
)
416 double taken
= vg
.time
- player
.diag_rewind_start
;
417 vg_success( "Rewind took (rt, pl, tl): %f, %f, %f\n",
418 taken
, player
.diag_rewind_time
,
419 player
.rewind_total_length
);
421 player
.rewinding
= 0;
422 player
.rewind_length
= 1;
423 player
.rewind_total_length
= 0.0f
;
424 player
.rewind_incrementer
= 0;
425 world
.sky_target_rate
= 1.0;
429 world
.sky_target_rate
= -100.0;
430 assert( player
.rewind_length
> 0 );
435 float budget
= vg
.time_delta
,
436 overall_length
= player
.rewind_length
;
438 world_routes_rollback_time( player
.rewind_time
/ overall_length
);
440 for( int i
=0; (i
<10)&&(player
.rewind_time
>0.0f
)&&(budget
>0.0f
); i
++ )
442 /* Interpolate frames */
443 int i0
= floorf( player
.rewind_time
),
444 i1
= VG_MIN( i0
+1, player
.rewind_length
-1 );
446 struct rewind_frame
*fr
= &player
.rewind_buffer
[i0
],
447 *fr1
= &player
.rewind_buffer
[i1
];
449 float dist
= vg_maxf( v3_dist( fr
->pos
, fr1
->pos
), 0.001f
),
450 subl
= vg_fractf( player
.rewind_time
) + 0.001f
,
452 sramp
= 3.0f
-(1.0f
/(0.4f
+0.4f
*player
.rewind_time
)),
453 speed
= sramp
*28.0f
+ 0.5f
*player
.rewind_time
,
454 mod
= speed
* (budget
/ dist
),
456 advl
= vg_minf( mod
, subl
),
457 advt
= (advl
/ mod
) * budget
;
459 player
.dist_accum
+= speed
* advt
;
460 player
.rewind_time
-= advl
;
465 if( player
.dist_accum
>= 5.0f
)
468 audio_player_playclip( &audio_rewind_player
, &audio_rewind
[4] );
471 player
.dist_accum
-= 5.0f
;
475 player
.rewind_time
= vg_maxf( 0.0f
, player
.rewind_time
);
477 float current_time
= vg
.time
- player
.diag_rewind_start
,
478 remaining
= player
.rewind_predicted_time
- current_time
;
480 if( player
.rewind_sound_wait
)
482 if( player
.rewind_predicted_time
>= 6.5f
)
484 if( remaining
<= 6.5f
)
487 audio_play_oneshot( &audio_rewind
[3], 1.0f
);
489 player
.rewind_sound_wait
= 0;
492 else if( player
.rewind_predicted_time
>= 2.5f
)
494 if( remaining
<= 2.5f
)
497 audio_play_oneshot( &audio_rewind
[2], 1.0f
);
499 player
.rewind_sound_wait
= 0;
502 else if( player
.rewind_predicted_time
>= 1.5f
)
504 if( remaining
<= 1.5f
)
507 audio_play_oneshot( &audio_rewind
[1], 1.0f
);
509 player
.rewind_sound_wait
= 0;
516 int i0
= floorf( player
.rewind_time
),
517 i1
= VG_MIN( i0
+1, player
.rewind_length
-1 );
519 struct rewind_frame
*fr
= &player
.rewind_buffer
[i0
],
520 *fr1
= &player
.rewind_buffer
[i1
];
522 float sub
= vg_fractf(player
.rewind_time
);
524 v3_lerp( fr
->pos
, fr1
->pos
, sub
, override_pos
);
525 override_angles
[0] = vg_alerpf( fr
->ang
[0], fr1
->ang
[0], sub
);
526 override_angles
[1] = vg_lerpf ( fr
->ang
[1], fr1
->ang
[1], sub
);
528 /* CAMERA POSITIONING: LAYER 1 */
529 float blend
= (4.0f
-player
.rewind_time
) * 0.25f
,
530 c
= vg_clampf( blend
, 0.0f
, 1.0f
);
532 camera_angles
[0] = vg_alerpf(override_angles
[0], player
.angles
[0], c
);
533 camera_angles
[1] = vg_lerpf (override_angles
[1], player
.angles
[1], c
);
534 v3_lerp( override_pos
, player
.camera_pos
, c
, camera_pos
);
542 static void draw_player( m4x3f cam
)
545 player_model_copy_ragdoll();
547 shader_viewchar_use();
548 vg_tex2d_bind( &tex_characters
, 0 );
549 shader_viewchar_uTexMain( 0 );
550 shader_viewchar_uCamera( cam
[3] );
551 shader_viewchar_uPv( vg
.pv
);
552 shader_link_standard_ub( _shader_viewchar
.id
, 2 );
553 glUniformMatrix4x3fv( _uniform_viewchar_uTransforms
,
554 player
.mdl
.sk
.bone_count
,
556 (float *)player
.mdl
.sk
.final_mtx
);
558 mesh_bind( &player
.mdl
.mesh
);
559 mesh_draw( &player
.mdl
.mesh
);
563 * -----------------------------------------------------------------------------
565 * -----------------------------------------------------------------------------
568 static float *player_get_pos(void)
570 return player
.phys
.rb
.co
;
573 static void player_kill(void)
575 if( player
.death_tick_allowance
== 0 )
578 player_ragdoll_copy_model( player
.phys
.rb
.v
);
582 static float *player_cam_pos(void)
584 return player
.camera_pos
;
588 #endif /* PLAYER_H */