player.c

   1 #ifndef PLAYER_C
   2 #define PLAYER_C
   3
   4 #include "player.h"
   5 #include "camera.h"
   6 #include "player_model.h"
   7 #include "input.h"
   8 #include "world.h"
   9 #include "audio.h"
  10 #include "player_replay.h"
  11 #include "network.h"
  12 #include "network_common.h"
  13 #include "world_routes.h"
  14 #include "ent_miniworld.h"
  15 #include "gui.h"
  16
  17 #include "shaders/model_entity.h"
  18 #include "shaders/model_character_view.h"
  19 #include "shaders/model_board_view.h"
  20
  21 static int localplayer_cmd_respawn( int argc, const char *argv[] ){
  22    ent_spawn *rp = NULL, *r;
  23    world_instance *world = world_current_instance();
  24
  25    if( argc == 1 ){
  26       rp = world_find_spawn_by_name( world, argv[0] );
  27    }
  28    else if( argc == 0 ){
  29       rp = world_find_closest_spawn( world, localplayer.rb.co );
  30    }
  31
  32    if( !rp )
  33       return 0;
  34
  35    player__spawn( rp );
  36    return 1;
  37 }
  38
  39 static void player_init(void){
  40    for( u32 i=0; i<vg_list_size(player_subsystems); i++ ){
  41       struct player_subsystem_interface *sys = player_subsystems[i];
  42       if( sys->system_register ) sys->system_register();
  43    }
  44
  45    vg_console_reg_cmd( "respawn", localplayer_cmd_respawn, NULL );
  46    VG_VAR_F32( k_cam_damp );
  47    VG_VAR_F32( k_cam_spring );
  48    VG_VAR_F32( k_cam_punch );
  49    VG_VAR_F32( k_cam_shake_strength );
  50    VG_VAR_F32( k_cam_shake_trackspeed );
  51    VG_VAR_I32( k_player_debug_info, flags=VG_VAR_PERSISTENT );
  52
  53    vg_console_reg_var( "cinema", &k_cinema, k_var_dtype_f32, 0 );
  54    vg_console_reg_var( "cinema_fixed", &k_cinema_fixed, k_var_dtype_i32, 0 );
  55    vg_console_reg_var( "invert_y", &k_invert_y,
  56                         k_var_dtype_i32, VG_VAR_PERSISTENT );
  57
  58    shader_model_character_view_register();
  59    shader_model_board_view_register();
  60    shader_model_entity_register();
  61 }
  62
  63 static void player__debugtext( int size, const char *fmt, ... ){
  64         char buffer[ 1024 ];
  65
  66    va_list args;
  67    va_start( args, fmt );
  68    vsnprintf( buffer, 1024, fmt, args );
  69    va_end( args );
  70
  71    ui_text( g_player_debugger, buffer, size, k_ui_align_left, 0 );
  72    g_player_debugger[1] += size*16;
  73 }
  74
  75 /*
  76  * Appearence
  77  */
  78
  79 static void player__use_model( u16 reg_id ){
  80    addon_cache_unwatch( k_addon_type_player,
  81                         localplayer.playermodel_view_slot );
  82    localplayer.playermodel_view_slot =
  83       addon_cache_create_viewer( k_addon_type_player, reg_id );
  84 }
  85
  86 static void player__bind(void){
  87    for( u32 i=0; i<vg_list_size(player_subsystems); i++ ){
  88       struct player_subsystem_interface *sys = player_subsystems[i];
  89
  90       if( sys->bind ) sys->bind();
  91    }
  92 }
  93
  94 /*
  95  * Gameloop events
  96  * ----------------------------------------------------------------------------
  97  */
  98
  99 static void player__pre_update(void){
 100    if( button_down( k_srbind_camera ) && !localplayer.immobile &&
 101        (localplayer.subsystem != k_player_subsystem_dead) ){
 102       if( localplayer.cam_control.camera_mode == k_cam_firstperson )
 103          localplayer.cam_control.camera_mode = k_cam_thirdperson;
 104       else
 105          localplayer.cam_control.camera_mode = k_cam_firstperson;
 106    }
 107
 108    if( player_subsystems[ localplayer.subsystem ]->pre_update )
 109       player_subsystems[ localplayer.subsystem ]->pre_update();
 110 }
 111
 112 static void player__update(void){
 113    if( player_subsystems[ localplayer.subsystem ]->update )
 114       player_subsystems[ localplayer.subsystem ]->update();
 115
 116    if( localplayer.glider_orphan &&
 117        (skaterift.activity != k_skaterift_replay) )
 118       glider_physics( (v2f){0,0} );
 119 }
 120
 121 static void player__post_update(void)
 122 {
 123    struct player_subsystem_interface *sys =
 124       player_subsystems[ localplayer.subsystem ];
 125
 126    if( sys->post_update ) sys->post_update();
 127
 128    SDL_AtomicLock( &air_data.sl );
 129    air_data.speed = v3_length( localplayer.rb.v ) * vg.time_rate;
 130    SDL_AtomicUnlock( &air_data.sl );
 131 }
 132
 133 /*
 134  * Applies gate transport to a player_interface
 135  */
 136 static void player__pass_gate( u32 id )
 137 {
 138    world_instance *world = world_current_instance();
 139    skaterift_record_frame( &skaterift.replay, 1 );
 140
 141    /* update boundary hash (network animation) */
 142    u16 index = mdl_entity_id_id(id) & ~NETMSG_BOUNDARY_MASK;
 143    localplayer.boundary_hash ^= NETMSG_GATE_BOUNDARY_BIT;
 144    localplayer.boundary_hash &= ~NETMSG_BOUNDARY_MASK;
 145    localplayer.boundary_hash |= index;
 146
 147    ent_gate *gate = mdl_arritm( &world->ent_gate, mdl_entity_id_id(id) );
 148    world_routes_fracture( world, gate, localplayer.rb.co, localplayer.rb.v );
 149
 150    localplayer.gate_waiting = gate;
 151    localplayer.deferred_frame_record = 1;
 152
 153    struct player_cam_controller *cc = &localplayer.cam_control;
 154    m4x3_mulv( gate->transport, cc->tpv_lpf, cc->tpv_lpf );
 155    m3x3_mulv( gate->transport, cc->cam_velocity_smooth,
 156                                cc->cam_velocity_smooth );
 157
 158    m4x3_mulv( gate->transport, localplayer.cam.pos, localplayer.cam.pos );
 159
 160    if( gate->flags & k_ent_gate_nonlocal )
 161    {
 162       world_default_spawn_pos( world, world->player_co );
 163       world_static.active_instance = gate->target;
 164       player__clean_refs();
 165
 166       replay_clear( &skaterift.replay );
 167    }
 168    else
 169    {
 170       world_routes_activate_entry_gate( world, gate );
 171    }
 172
 173    v3f v0;
 174    v3_angles_vector( localplayer.angles, v0 );
 175    m3x3_mulv( gate->transport, v0, v0 );
 176    v3_angles( v0, localplayer.angles );
 177
 178    audio_lock();
 179    audio_oneshot( &audio_gate_pass, 1.0f, 0.0f );
 180    audio_unlock();
 181 }
 182
 183 static void player_apply_transport_to_cam( m4x3f transport )
 184 {
 185    /* Pre-emptively edit the camera matrices so that the motion vectors
 186     * are correct */
 187    m4x3f transport_i;
 188    m4x4f transport_4;
 189    m4x3_invert_affine( transport, transport_i );
 190    m4x3_expand( transport_i, transport_4 );
 191    m4x4_mul( skaterift.cam.mtx.pv, transport_4, skaterift.cam.mtx.pv );
 192    m4x4_mul( skaterift.cam.mtx.v,  transport_4, skaterift.cam.mtx.v );
 193
 194    /* we want the regular transform here no the inversion */
 195    m4x3_expand( transport, transport_4 );
 196    m4x4_mul( world_gates.cam.mtx.pv, transport_4, world_gates.cam.mtx.pv );
 197    m4x4_mul( world_gates.cam.mtx.v,  transport_4, world_gates.cam.mtx.v );
 198 }
 199
 200 static void player__im_gui(void)
 201 {
 202    if( !k_player_debug_info ) return;
 203
 204    ui_rect box = {
 205       vg.window_x - 300,
 206       0,
 207       300,
 208       vg.window_y
 209    };
 210
 211    ui_fill( box, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 212
 213    g_player_debugger[0] = box[0];
 214    g_player_debugger[1] = 0;
 215    g_player_debugger[2] = 300;
 216    g_player_debugger[3] = 32;
 217
 218    player__debugtext( 2, "instance #%u", world_static.active_instance );
 219
 220    char buf[96];
 221    for( u32 i=0; i<k_world_max; i++ ){
 222       if( world_static.instance_addons[ i ] )
 223          addon_alias_uid( &world_static.instance_addons[ i ]->alias, buf );
 224       else
 225          strcpy( buf, "none" );
 226
 227       player__debugtext( 1, "world #%u: %s", i, buf );
 228    }
 229
 230    player__debugtext( 2, "director" );
 231    player__debugtext( 1, "activity: %s",
 232                      (const char *[]){ [k_skaterift_menu]      = "menu",
 233                                        [k_skaterift_replay]    = "replay",
 234                                        [k_skaterift_ent_focus] = "ent_focus",
 235                                        [k_skaterift_default]   = "default",
 236                                        [k_skaterift_world_map] = "world map"
 237                      } [skaterift.activity] );
 238    player__debugtext( 1, "time_rate: %.4f", skaterift.time_rate );
 239
 240    player__debugtext( 2, "player" );
 241    player__debugtext( 1, "angles: " PRINTF_v3f( localplayer.cam.angles ) );
 242
 243    if( player_subsystems[ localplayer.subsystem ]->im_gui )
 244       player_subsystems[ localplayer.subsystem ]->im_gui();
 245
 246    skaterift_replay_debug_info();
 247 }
 248
 249 static void player__setpos( v3f pos ){
 250    v3_copy( pos, localplayer.rb.co );
 251    v3_zero( localplayer.rb.v );
 252    rb_update_matrices( &localplayer.rb );
 253 }
 254
 255 static void player__clean_refs(void){
 256    replay_clear( &skaterift.replay );
 257    gui_helper_clear();
 258
 259    world_static.challenge_target = NULL;
 260    world_static.challenge_timer = 0.0f;
 261    world_static.focused_entity = 0;
 262    world_static.active_trigger_volume_count = 0;
 263    world_static.last_use = 0.0;
 264    world_entity_unfocus();
 265
 266    localplayer.boundary_hash ^= NETMSG_BOUNDARY_BIT;
 267
 268    for( u32 i=0; i<vg_list_size(world_static.instances); i++ ){
 269       world_instance *instance = &world_static.instances[i];
 270       if( instance->status == k_world_status_loaded ){
 271          world_routes_clear( instance );
 272       }
 273    }
 274 }
 275
 276 static void player__reset(void){
 277    v3_zero( localplayer.rb.v );
 278    v3_zero( localplayer.rb.w );
 279
 280    f32 l = v4_length( localplayer.rb.q );
 281    if( (l < 0.9f) || (l > 1.1f) )
 282       q_identity( localplayer.rb.q );
 283
 284    rb_update_matrices( &localplayer.rb );
 285
 286    localplayer.subsystem = k_player_subsystem_walk;
 287    player__walk_reset();
 288
 289    localplayer.immobile = 0;
 290    localplayer.gate_waiting = NULL;
 291    localplayer.have_glider = 0;
 292    localplayer.glider_orphan = 0;
 293
 294    v3_copy( localplayer.rb.co, localplayer.cam_control.tpv_lpf );
 295    player__clean_refs();
 296 }
 297
 298 static void player__spawn( ent_spawn *rp ){
 299    player__setpos( rp->transform.co );
 300    player__reset();
 301 }
 302
 303
 304 static void player__kill(void){
 305 }
 306
 307 static void player__begin_holdout( v3f offset ){
 308    memcpy( &localplayer.holdout_pose, &localplayer.pose,
 309             sizeof(localplayer.pose) );
 310    v3_copy( offset, localplayer.holdout_pose.root_co );
 311    localplayer.holdout_time = 1.0f;
 312 }
 313
 314 static void net_sfx_exchange( bitpack_ctx *ctx, struct net_sfx *sfx ){
 315    bitpack_bytes( ctx, 1, &sfx->system );
 316    bitpack_bytes( ctx, 1, &sfx->priority );
 317    bitpack_bytes( ctx, 1, &sfx->id );
 318    bitpack_qf32( ctx, 8, 0.0f, 1.0f, &sfx->subframe );
 319    bitpack_qf32( ctx, 8, 0.0f, 1.0f, &sfx->volume );
 320    bitpack_qv3f( ctx, 16, -1024.0f, 1024.0f, sfx->location );
 321 }
 322
 323 static void net_sfx_play( struct net_sfx *sfx ){
 324    if( sfx->system < k_player_subsystem_max ){
 325       struct player_subsystem_interface *sys = player_subsystems[sfx->system];
 326       if( sys->sfx_oneshot ){
 327          sys->sfx_oneshot( sfx->id, sfx->location, sfx->volume );
 328       }
 329    }
 330 };
 331
 332 static struct net_sfx *find_lower_priority_sfx( struct net_sfx *buffer, u32 len,
 333                                                 u32 *count, u8 priority ){
 334    struct net_sfx *p_sfx = NULL;
 335    if( *count < len ){
 336       p_sfx = &buffer[ *count ];
 337       *count = *count+1;
 338    }
 339    else {
 340       for( u32 i=0; i<len; i++ ){
 341          struct net_sfx *a = &buffer[i];
 342          if( a->priority < priority ){
 343             p_sfx = a;
 344             break;
 345          }
 346       }
 347    }
 348
 349    return p_sfx;
 350 }
 351
 352 static void player__networked_sfx( u8 system, u8 priority, u8 id,
 353                                    v3f pos, f32 volume ){
 354    struct net_sfx sfx,
 355          *p_net = find_lower_priority_sfx(
 356                localplayer.sfx_buffer, 4,
 357                &localplayer.sfx_buffer_count, priority ),
 358          *p_replay = find_lower_priority_sfx(
 359                localplayer.local_sfx_buffer, 2,
 360                &localplayer.local_sfx_buffer_count, priority );
 361
 362    sfx.id = id;
 363    sfx.priority = priority;
 364    sfx.volume = volume;
 365    v3_copy( pos, sfx.location );
 366    sfx.system = system;
 367
 368    /* we only care about subframe in networked sfx. local replays run at a
 369     * high enough framerate. */
 370    f32 t = (vg.time_real - network_client.last_frame) / NETWORK_FRAMERATE;
 371    sfx.subframe = vg_clampf( t, 0.0f, 1.0f );
 372
 373    if( p_net ) *p_net = sfx;
 374    if( p_replay ) *p_replay = sfx;
 375
 376    net_sfx_play( &sfx );
 377 }
 378
 379 /* implementation */
 380 #include "player_common.c"
 381
 382 #include "player_walk.c"
 383 #include "player_skate.c"
 384 #include "player_dead.c"
 385 #include "player_drive.c"
 386 #include "player_glide.c"
 387 #include "player_basic_info.c"
 388
 389 #include "player_render.c"
 390 #include "player_ragdoll.c"
 391 #include "player_replay.c"
 392
 393 #endif /* PLAYER_C */