X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=player.h;h=b4290af70a5e67ec774b8c1856bde58a5e102fae;hb=bceb3a28f8127fa27a17f480bd21fa20a340e848;hp=38c3224de7fd1ab06f2b4034c467ca23c6c3ed4d;hpb=15beb60ade240af4e00b0d204f7e89a4d35dca36;p=carveJwlIkooP6JGAAIwe30JlM.git diff --git a/player.h b/player.h index 38c3224..b4290af 100644 --- a/player.h +++ b/player.h @@ -5,6 +5,8 @@ #ifndef PLAYER_H #define PLAYER_H +#define PLAYER_REWIND_FRAMES 60*4 + #include "audio.h" #include "common.h" #include "world.h" @@ -74,7 +76,8 @@ static struct gplayer 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]; @@ -86,10 +89,23 @@ static struct gplayer /* Camera */ float air_blend; + float air_time; v3f camera_pos, smooth_localcam; v2f angles; - m4x3f camera, camera_inverse; + + 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; @@ -164,6 +180,7 @@ static void player_kill(void); 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 @@ -231,46 +248,116 @@ static void player_init(void) /* 1 */ .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 --; @@ -282,13 +369,15 @@ static void player_update_fixed(void) /* 2 */ } else { + player.rewind_incrementer ++; + + if( player.rewind_incrementer > (u32)(0.25/VG_TIMESTEP_FIXED) ) + { + player_save_rewind_frame(); + } + player_do_motion(); } - - player_audio(); /* FUTURE: can probably move this to post() - BUT, it uses deltas from fixed step physics, - AND this *might* be what we want for realtime - audio, anyway. */ } static void player_update_post(void) @@ -315,7 +404,139 @@ static void player_update_post(void) if( freecam ) player_freecam(); - player_camera_update(); + + /* CAMERA POSITIONING: LAYER 0 */ + v2_copy( player.angles, camera_angles ); + v3_copy( player.camera_pos, camera_pos ); + + 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(); } static void draw_player( m4x3f cam )