#ifndef PLAYER_H
#define PLAYER_H
+#define PLAYER_REWIND_FRAMES 60*4
+
#include "audio.h"
#include "common.h"
#include "world.h"
m4x3f visual_transform,
inv_visual_transform;
- int is_dead, death_tick_allowance;
+ int is_dead, death_tick_allowance, rewinding;
+ int rewind_sound_wait;
v3f land_target;
v3f land_target_log[22];
/* Camera */
float air_blend;
+ float air_time;
v3f camera_pos, smooth_localcam;
v2f angles;
+ struct rewind_frame
+ {
+ v3f pos;
+ v2f ang;
+ }
+ *rewind_buffer;
+ u32 rewind_incrementer,
+ rewind_length;
+
+ float rewind_time, rewind_total_length, rewind_predicted_time;
+ double diag_rewind_start, diag_rewind_time;
+ float dist_accum;
+
/* animation */
double jump_time;
float fslide,
static float *player_cam_pos(void);
static void player_save_frame(void);
static void player_restore_frame(void);
+static void player_save_rewind_frame(void);
/*
* Submodules
.function = reset_player
});
+ player.rewind_length = 0;
+ player.rewind_buffer = vg_alloc( sizeof(struct rewind_frame)
+ * PLAYER_REWIND_FRAMES );
+
/* other systems */
vg_loader_highwater( player_model_init, player_model_free, NULL );
}
+static void player_save_rewind_frame(void)
+{
+ if( player.rewind_length < PLAYER_REWIND_FRAMES )
+ {
+ struct rewind_frame *fr =
+ &player.rewind_buffer[ player.rewind_length ++ ];
+
+ v2_copy( player.angles, fr->ang );
+ v3_copy( player.camera_pos, fr->pos );
+
+ player.rewind_incrementer = 0;
+
+ if( player.rewind_length > 1 )
+ {
+ player.rewind_total_length +=
+ v3_dist( player.rewind_buffer[player.rewind_length-1].pos,
+ player.rewind_buffer[player.rewind_length-2].pos );
+ }
+ }
+}
+
/* Deal with input etc */
static void player_update_pre(void)
{
struct player_phys *phys = &player.phys;
+ if( player.rewinding )
+ {
+ return;
+ }
+
if( vg_get_button_down( "reset" ) )
{
- player.is_dead = 0;
- player.death_tick_allowance = 30;
- player_restore_frame();
+ double delta = world.routes.time - world.routes.last_use;
- if( !phys->on_board )
+ if( delta <= RESET_MAX_TIME )
{
- player.angles[0] = atan2f( -phys->rb.forward[2],
- -phys->rb.forward[0] );
+ player.rewinding = 1;
+ player.rewind_sound_wait = 1;
+ player.rewind_time = (float)player.rewind_length - 0.0001f;
+ player_save_rewind_frame();
+ audio_lock();
+ audio_play_oneshot( &audio_rewind[0], 1.0f );
+ audio_unlock();
+
+ /* based on analytical testing. DONT CHANGE!
+ *
+ * time taken: y = (x^(4/5)) * 74.5
+ * inverse : x = (2/149)^(4/5) * y^(4/5)
+ */
+
+ float constant = powf( 2.0f/149.0f, 4.0f/5.0f ),
+ curve = powf( player.rewind_total_length, 4.0f/5.0f );
+
+ player.rewind_predicted_time = constant * curve;
+ player.diag_rewind_start = vg.time;
+ player.diag_rewind_time = player.rewind_time;
+
+ player.is_dead = 0;
+ player.death_tick_allowance = 30;
+ player_restore_frame();
+
+ if( !phys->on_board )
+ {
+ player.angles[0] = atan2f( -phys->rb.forward[2],
+ -phys->rb.forward[0] );
+ }
+
+ player.mdl.shoes[0] = 1;
+ player.mdl.shoes[1] = 1;
+
+ world_routes_notify_reset();
+
+ /* apply 1 frame of movement */
+ player_do_motion();
}
-
- player.mdl.shoes[0] = 1;
- player.mdl.shoes[1] = 1;
-
- world_routes_notify_reset();
}
if( vg_get_button_down( "switchmode" ) )
{
phys->on_board ^= 0x1;
+ audio_lock();
if( phys->on_board )
{
v3_muladds( phys->rb.v, phys->rb.forward, 0.2f, phys->rb.v );
+ audio_play_oneshot( &audio_lands[6], 1.0f );
+ }
+ else
+ {
+ audio_play_oneshot( &audio_lands[5], 1.0f );
}
+
+ audio_unlock();
}
}
static void player_update_fixed(void) /* 2 */
{
+ if( player.rewinding )
+ return;
+
if( player.death_tick_allowance )
player.death_tick_allowance --;
}
else
{
+ player.rewind_incrementer ++;
+
+ if( player.rewind_incrementer > (u32)(0.25/VG_TIMESTEP_FIXED) )
+ {
+ player_save_rewind_frame();
+ }
+
player_do_motion();
}
}
if( freecam )
player_freecam();
+
/* CAMERA POSITIONING: LAYER 0 */
v2_copy( player.angles, camera_angles );
v3_copy( player.camera_pos, camera_pos );
- camera_update();
+ if( player.rewinding )
+ {
+ if( player.rewind_time <= 0.0f )
+ {
+ double taken = vg.time - player.diag_rewind_start;
+ vg_success( "Rewind took (rt, pl, tl): %f, %f, %f\n",
+ taken, player.diag_rewind_time,
+ player.rewind_total_length );
+
+ player.rewinding = 0;
+ player.rewind_length = 1;
+ player.rewind_total_length = 0.0f;
+ player.rewind_incrementer = 0;
+ world.sky_target_rate = 1.0;
+ }
+ else
+ {
+ world.sky_target_rate = -100.0;
+ assert( player.rewind_length > 0 );
+
+ v2f override_angles;
+ v3f override_pos;
+
+ float budget = vg.time_delta,
+ overall_length = player.rewind_length;
+
+ world_routes_rollback_time( player.rewind_time / overall_length );
+
+ for( int i=0; (i<10)&&(player.rewind_time>0.0f)&&(budget>0.0f); i ++ )
+ {
+ /* Interpolate frames */
+ int i0 = floorf( player.rewind_time ),
+ i1 = VG_MIN( i0+1, player.rewind_length-1 );
+
+ struct rewind_frame *fr = &player.rewind_buffer[i0],
+ *fr1 = &player.rewind_buffer[i1];
+
+ float dist = vg_maxf( v3_dist( fr->pos, fr1->pos ), 0.001f ),
+ subl = vg_fractf( player.rewind_time ) + 0.001f,
+
+ sramp= 3.0f-(1.0f/(0.4f+0.4f*player.rewind_time)),
+ speed = sramp*28.0f + 0.5f*player.rewind_time,
+ mod = speed * (budget / dist),
+
+ advl = vg_minf( mod, subl ),
+ advt = (advl / mod) * budget;
+
+ player.dist_accum += speed * advt;
+ player.rewind_time -= advl;
+ budget -= advt;
+ }
+
+#if 0
+ if( player.dist_accum >= 5.0f )
+ {
+ audio_lock();
+ audio_player_playclip( &audio_rewind_player, &audio_rewind[4] );
+ audio_unlock();
+
+ player.dist_accum -= 5.0f;
+ }
+#endif
+
+ player.rewind_time = vg_maxf( 0.0f, player.rewind_time );
+
+ float current_time = vg.time - player.diag_rewind_start,
+ remaining = player.rewind_predicted_time - current_time;
+
+ if( player.rewind_sound_wait )
+ {
+ if( player.rewind_predicted_time >= 6.5f )
+ {
+ if( remaining <= 6.5f )
+ {
+ audio_lock();
+ audio_play_oneshot( &audio_rewind[3], 1.0f );
+ audio_unlock();
+ player.rewind_sound_wait = 0;
+ }
+ }
+ else if( player.rewind_predicted_time >= 2.5f )
+ {
+ if( remaining <= 2.5f )
+ {
+ audio_lock();
+ audio_play_oneshot( &audio_rewind[2], 1.0f );
+ audio_unlock();
+ player.rewind_sound_wait = 0;
+ }
+ }
+ else if( player.rewind_predicted_time >= 1.5f )
+ {
+ if( remaining <= 1.5f )
+ {
+ audio_lock();
+ audio_play_oneshot( &audio_rewind[1], 1.0f );
+ audio_unlock();
+ player.rewind_sound_wait = 0;
+ }
+ }
+
+
+ }
+
+ int i0 = floorf( player.rewind_time ),
+ i1 = VG_MIN( i0+1, player.rewind_length-1 );
+
+ struct rewind_frame *fr = &player.rewind_buffer[i0],
+ *fr1 = &player.rewind_buffer[i1];
+
+ float sub = vg_fractf(player.rewind_time);
+
+ v3_lerp( fr->pos, fr1->pos, sub, override_pos );
+ override_angles[0] = vg_alerpf( fr->ang[0], fr1->ang[0], sub );
+ override_angles[1] = vg_lerpf ( fr->ang[1], fr1->ang[1], sub );
+
+ /* CAMERA POSITIONING: LAYER 1 */
+ float blend = (4.0f-player.rewind_time) * 0.25f,
+ c = vg_clampf( blend, 0.0f, 1.0f );
+
+ camera_angles[0] = vg_alerpf(override_angles[0], player.angles[0], c);
+ camera_angles[1] = vg_lerpf (override_angles[1], player.angles[1], c);
+ v3_lerp( override_pos, player.camera_pos, c, camera_pos );
+ }
+ }
+
+ camera_update();
player_audio();
}