skaterift.c

   1 /*
   2  * =============================================================================
   3  *
   4  * Copyright  .        . .       -----, ,----- ,---.   .---.
   5  * 2021-2024  |\      /| |           /  |      |    | |    /|
   6  *            | \    / | +--        /   +----- +---'  |   / |
   7  *            |  \  /  | |         /    |      |   \  |  /  |
   8  *            |   \/   | |        /     |      |    \ | /   |
   9  *            '        ' '--' [] '----- '----- '     ' '---'  SOFTWARE
  10  *
  11  * =============================================================================
  12  */
  13
  14 #define SR_NETWORKED
  15 #define VG_AUDIO_FORCE_COMPRESSED
  16 #define SDL_MAIN_HANDLED
  17
  18 #ifndef VG_RELEASE
  19  #define VG_DEVWINDOW
  20 #endif
  21
  22 /*
  23  *     system headers
  24  * --------------------- */
  25
  26 #include "skaterift.h"
  27 #include "steam.h"
  28 #include "render.h"
  29 #include "audio.h"
  30
  31 #include "world.h"
  32
  33 #include "font.h"
  34 #include "player.h"
  35
  36 #include "network.h"
  37 #include "menu.h"
  38 #include "vehicle.h"
  39 #include "save.h"
  40 #include "player_remote.h"
  41
  42 /*    unity build
  43  * ----------------- */
  44
  45 #include "world.c"
  46 #include "player.c"
  47 #include "vehicle.c"
  48 #include "entity.c"
  49 #include "workshop.c"
  50 #include "addon.c"
  51 #include "save.c"
  52 #include "world_map.c"
  53 #include "network.c"
  54 #include "player_remote.c"
  55 #include "vg/vg_audio_dsp.h"
  56 #include "world_routes_ui.c"
  57 #include "particle.c"
  58 #include "player_effects.c"
  59 #include "freecam.c"
  60 #include "testing.c"
  61
  62 static int k_tools_mode = 0;
  63
  64 int main( int argc, char *argv[] ){
  65    vg_mem.use_libc_malloc = 0;
  66    vg_set_mem_quota( 160*1024*1024 );
  67    vg_enter( argc, argv, "Voyager Game Engine" );
  68    return 0;
  69 }
  70
  71 static void vg_launch_opt(void){
  72    const char *arg;
  73    if( vg_long_opt( "noauth" ) ){
  74       network_client.auth_mode = eServerModeNoAuthentication;
  75    }
  76
  77    if( (arg = vg_long_opt_arg( "server" )) ){
  78       vg_strncpy( arg, network_client.server_adress, 64,
  79                   k_strncpy_overflow_fatal );
  80    }
  81
  82    if( vg_long_opt( "tools" ) ){
  83       k_tools_mode = 1;
  84    }
  85
  86    if( vg_long_opt( "demo" ) ){
  87       skaterift.demo_mode = 1;
  88    }
  89
  90    if( (arg = vg_long_opt_arg( "world" )) ){
  91       skaterift.hub_world = arg;
  92    }
  93 }
  94
  95 static void vg_preload(void){
  96 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
  97 vg_info(" 2021-2023  |\\      /| |           /  |      |    | |    /| \n" );
  98 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
  99 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
 100 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
 101 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
 102         "SOFTWARE\n" );
 103
 104    /* please forgive me! */
 105    u32 sz; char *drm;
 106    if( (drm = vg_file_read_text( vg_mem.scratch, "DRM", &sz )) )
 107       if( !strcmp(drm, "blibby!") )
 108          skaterift.demo_mode = 0;
 109
 110    vg_loader_step( remote_players_init, NULL );
 111
 112    if( k_tools_mode )
 113       return;
 114
 115    steam_init();
 116    vg_loader_step( NULL, steam_end );
 117    vg_loader_step( network_init, network_end );
 118 }
 119
 120 static void async_skaterift_player_start( void *payload, u32 size ){
 121    world_switch_instance(0);
 122 }
 123
 124 static void async_call_ready( void *payload, u32 size ){
 125    skaterift.op = k_async_op_none;
 126 }
 127
 128 static void skaterift_restore_state(void){
 129    savedata_file sav;
 130    strcpy( sav.path, str_skaterift_main_save );
 131    savedata_file_read( &sav );
 132
 133    vg_msg kvsav;
 134    vg_msg_init( &kvsav, sav.buf, sizeof(sav.buf) );
 135    skaterift.achievements |= vg_msg_getkvu32( &kvsav, "ach", 0 );
 136
 137    u32 board_reg_id = 0,
 138        player_reg_id = 0;
 139
 140    vg_msg_cursor orig = kvsav.cur;
 141    if( vg_msg_seekframe( &kvsav, "player" ) ){
 142       addon_alias q;
 143
 144       /* board */
 145       skaterift_read_addon_alias( &kvsav, "board", k_addon_type_board, &q );
 146       u32 reg_id = addon_match( &q );
 147       if( reg_id != 0xffffffff )
 148          board_reg_id = reg_id;
 149
 150       /* playermodel */
 151       skaterift_read_addon_alias( &kvsav, "playermodel",
 152                                   k_addon_type_player, &q );
 153       reg_id = addon_match( &q );
 154       if( reg_id != 0xffffffff )
 155          player_reg_id = reg_id;
 156    }
 157
 158    localplayer.board_view_slot =
 159       addon_cache_create_viewer( k_addon_type_board, board_reg_id );
 160    localplayer.playermodel_view_slot =
 161       addon_cache_create_viewer( k_addon_type_player, player_reg_id );
 162
 163    kvsav.cur = orig;
 164 }
 165
 166 static addon_reg *skaterift_mount_world_unloadable( const char *path, u32 ext ){
 167    addon_reg *reg = addon_mount_local_addon( path, k_addon_type_world, ".mdl" );
 168    if( !reg ) vg_fatal_error( "world not found\n" );
 169    reg->flags |= (ADDON_REG_HIDDEN | ext);
 170    return reg;
 171 }
 172
 173 static void skaterift_load_world_content(void){
 174    /* hub world */
 175    addon_reg *hub = skaterift_mount_world_unloadable( skaterift.hub_world, 0 );
 176    skaterift_mount_world_unloadable( "maps/mp_spawn",
 177          ADDON_REG_CITY|ADDON_REG_PREMIUM );
 178    skaterift_mount_world_unloadable( "maps/mp_mtzero",
 179          ADDON_REG_MTZERO|ADDON_REG_PREMIUM );
 180    skaterift_mount_world_unloadable( "maps/dev_tutorial", 0 );
 181    skaterift_mount_world_unloadable( "maps/dev_flatworld", 0 );
 182
 183    world_static.load_state = k_world_loader_load;
 184
 185    struct world_load_args args = {
 186       .purpose = k_world_purpose_hub,
 187       .reg = hub
 188    };
 189    skaterift_world_load_thread( &args );
 190 }
 191
 192 static void skaterift_load_player_content(void){
 193    u32 bytes = 1024*1024*10;
 194    skaterift.replay.data = vg_linear_alloc( vg_mem.rtmemory, bytes );
 195    skaterift.replay.size = bytes;
 196    replay_clear( &skaterift.replay );
 197
 198    particle_alloc( &particles_grind, 300 );
 199    particle_alloc( &particles_env, 200 );
 200
 201    player_load_animation_reference( "models/ch_none.mdl" );
 202    player_model_load( &localplayer.fallback_model, "models/ch_none.mdl" );
 203    player__bind();
 204    player_board_load( &localplayer.fallback_board, "models/board_none.mdl" );
 205 }
 206
 207 static void vg_load(void){
 208    if( k_tools_mode ){
 209       vg_async_call( async_call_ready, NULL, 0 );
 210       return;
 211    }
 212
 213    vg_console_reg_cmd( "load_world", skaterift_load_world_command, NULL );
 214    vg_console_reg_cmd( "switch_active_instance",
 215                         skaterift_switch_instance_cmd, NULL );
 216    vg_console_reg_cmd( "fc", freecam_cmd, NULL );
 217    vg_console_reg_var( "immobile", &localplayer.immobile, k_var_dtype_i32, 0 );
 218
 219    vg_loader_step( render_init, NULL );
 220    vg_loader_step( menu_init, NULL );
 221    vg_loader_step( world_init, NULL );
 222    vg_loader_step( vehicle_init, NULL );
 223    vg_loader_step( font3d_init, NULL );
 224    vg_loader_step( gui_init, NULL );
 225
 226    vg_loader_step( player_init, NULL );
 227    vg_loader_step( player_ragdoll_init, NULL );
 228
 229    /* content stuff */
 230    vg_loader_step( addon_system_init, NULL );
 231    vg_loader_step( workshop_init, NULL );
 232    vg_loader_step( skateshop_init, NULL );
 233    vg_loader_step( ent_tornado_init, NULL );
 234    vg_loader_step( testing_init, NULL );
 235
 236    vg_loader_step( skaterift_load_player_content, NULL );
 237
 238    /* --------------------- */
 239
 240    vg_bake_shaders();
 241    vg_loader_step( audio_init, audio_free );
 242
 243    /* 'systems' are completely loaded now */
 244
 245    /* Completing addon registrations
 246     * -------------------------------------
 247     */
 248
 249    /* load home/permanent world manually */
 250    vg_loader_step( skaterift_load_world_content, NULL );
 251    vg_async_call( async_skaterift_player_start, NULL, 0 );
 252    vg_async_stall();
 253
 254    vg_console_load_autos();
 255    menu_link();
 256
 257    addon_mount_content_folder( k_addon_type_player,
 258                                "playermodels", ".mdl" );
 259    addon_mount_content_folder( k_addon_type_board, "boards", ".mdl" );
 260    addon_mount_content_folder( k_addon_type_world, "maps", ".mdl" );
 261    addon_mount_workshop_items();
 262    vg_async_call( async_addon_reg_update, NULL, 0 );
 263    vg_async_stall();
 264
 265    /* and now */
 266    skaterift_restore_state();
 267    update_ach_models();
 268
 269    vg_loader_step( NULL, skaterift_autosave_synchronous );
 270
 271    //board_processview_thread(NULL);
 272    vg_async_call( async_call_ready, NULL, 0 );
 273 }
 274
 275 static void draw_origin_axis(void){
 276    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 277    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 278    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 279 }
 280 static void skaterift_change_client_world_preupdate(void);
 281
 282 /*
 283  * UPDATE LOOP
 284  * ---------------------------------------------------------------------------*/
 285
 286 static void vg_pre_update(void){
 287    skaterift_preupdate_inputs();
 288
 289    if( k_tools_mode ) return;
 290
 291    steam_update();
 292    if( skaterift.op == k_async_op_clientloading ) return;
 293    if( world_static.load_state == k_world_loader_preload )
 294       skaterift_change_client_world_preupdate();
 295
 296    draw_origin_axis();
 297    skateshop_autostart_loading();
 298    network_update();
 299
 300    /* time rate */
 301    f32 target = 1;
 302    if( skaterift.activity & (k_skaterift_replay|k_skaterift_menu|
 303                              k_skaterift_world_map) ){
 304       target = 0;
 305    }
 306
 307    vg_slewf( &skaterift.time_rate, target, vg.time_frame_delta * (1.0f/0.3f) );
 308    vg.time_rate = vg_smoothstepf( skaterift.time_rate );
 309
 310    /* TODO: how can we compress this? */
 311    ent_miniworld_preupdate();
 312    player__pre_update();
 313    world_entity_focus_preupdate();
 314    skaterift_replay_pre_update();
 315    remote_sfx_pre_update();
 316    skateshop_world_preupdate( world_current_instance() );
 317
 318    world_update( world_current_instance(), localplayer.rb.co );
 319    audio_ambient_sprites_update( world_current_instance(), localplayer.rb.co );
 320    world_map_pre_update();
 321 }
 322
 323 static void vg_fixed_update(void){
 324    if( k_tools_mode ) return;
 325    if( skaterift.op == k_async_op_clientloading ) return;
 326
 327    world_routes_fixedupdate( world_current_instance() );
 328    player__update();
 329    vehicle_update_fixed();
 330    testing_update();
 331 }
 332
 333 static void vg_post_update(void){
 334    if( k_tools_mode ) return;
 335    if( skaterift.op == k_async_op_clientloading ) return;
 336
 337    player__post_update();
 338
 339    float dist;
 340    int sample_index;
 341    world_audio_sample_distances( localplayer.rb.co, &sample_index, &dist );
 342
 343    audio_lock();
 344    vg_dsp.echo_distances[sample_index] = dist;
 345
 346    v3f ears = { 1.0f,0.0f,0.0f };
 347    m3x3_mulv( skaterift.cam.transform, ears, ears );
 348    v3_copy( ears, vg_audio.external_listener_ears );
 349    v3_copy( skaterift.cam.transform[3], vg_audio.external_listener_pos );
 350
 351    if( localplayer.gate_waiting ){
 352       m4x3_mulv( localplayer.gate_waiting->transport,
 353                  vg_audio.external_listener_pos,
 354                  vg_audio.external_listener_pos );
 355    }
 356
 357    v3_copy( localplayer.rb.v, vg_audio.external_lister_velocity );
 358    audio_unlock();
 359
 360    vehicle_update_post();
 361
 362    if( vg.time - skaterift.last_autosave > 20.0 ){
 363       if( skaterift_autosave(1) ){
 364          skaterift.last_autosave = vg.time;
 365       }
 366    }
 367 }
 368
 369 /*
 370  * RENDERING
 371  * ---------------------------------------------------------------------------*/
 372
 373 static void vg_framebuffer_resize( int w, int h ){
 374    render_fb_resize();
 375 }
 376
 377 static void present_view_with_post_processing(void){
 378    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 379    glViewport( 0,0, vg.window_x, vg.window_y );
 380
 381    glEnable(GL_BLEND);
 382    glDisable(GL_DEPTH_TEST);
 383    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 384    glBlendEquation(GL_FUNC_ADD);
 385
 386    v2f inverse;
 387    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 388
 389    if( k_blur_effect ){
 390       shader_blitblur_use();
 391       shader_blitblur_uTexMain( 0 );
 392       shader_blitblur_uTexMotion( 1 );
 393       shader_blitblur_uBlurStrength( k_blur_strength /
 394                                      (vg.time_frame_delta*60.0) );
 395       shader_blitblur_uInverseRatio( inverse );
 396
 397       inverse[0] -= 0.0001f;
 398       inverse[1] -= 0.0001f;
 399       shader_blitblur_uClampUv( inverse );
 400
 401       static f64 effect_time = 133.0;
 402       effect_time += vg.time_frame_delta;
 403       shader_blitblur_uTime( effect_time );
 404
 405       f32 glitch_strength = 0.0f;
 406       if( skaterift.activity == k_skaterift_replay ){
 407          glitch_strength = 0.005f;
 408          if( skaterift.replay_control == k_replay_control_play )
 409             glitch_strength = 0.005f;
 410          else
 411             glitch_strength += 0.005f*skaterift.track_velocity;
 412       }
 413       shader_blitblur_uGlitchStrength( glitch_strength );
 414
 415       v2f override;
 416       if( skaterift.activity == k_skaterift_menu )
 417          v2_muls( (v2f){ 0.04f, 0.001f }, 1.0f-skaterift.time_rate, override );
 418       else
 419          v2_zero( override );
 420       shader_blitblur_uOverrideDir( override );
 421
 422       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 423       render_fb_bind_texture( gpipeline.fb_main, 1, 1 );
 424    }
 425    else{
 426       shader_blit_use();
 427       shader_blit_uTexMain( 0 );
 428       shader_blit_uInverseRatio( inverse );
 429       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 430    }
 431
 432    render_fsquad();
 433 }
 434
 435 static void render_player_transparent(void){
 436    static camera small_cam;      /* DOES NOT NEED TO BE STATIC BUT MINGW
 437                                     SAIS OTHERWISE */
 438
 439    m4x3_copy( skaterift.cam.transform, small_cam.transform );
 440
 441    small_cam.fov = skaterift.cam.fov;
 442    small_cam.nearz = 0.05f;
 443    small_cam.farz  = 60.0f;
 444
 445    camera_update_view( &small_cam );
 446    camera_update_projection( &small_cam );
 447    camera_finalize( &small_cam );
 448
 449    /* Draw player to window buffer and blend background ontop */
 450    player__render( &small_cam );
 451 }
 452
 453 static world_instance *get_view_world(void){
 454    world_instance *view_world = world_current_instance();
 455    if( localplayer.gate_waiting &&
 456          (localplayer.gate_waiting->flags & k_ent_gate_nonlocal) ){
 457       view_world = &world_static.instances[world_static.active_instance ^ 0x1];
 458    }
 459
 460    return view_world;
 461 }
 462
 463 static void render_scene(void){
 464    /* Draw world */
 465    glEnable( GL_DEPTH_TEST );
 466
 467    for( u32 i=0; i<vg_list_size(world_static.instances); i++ ){
 468       if( world_static.instances[i].status == k_world_status_loaded ){
 469          world_prerender( &world_static.instances[i] );
 470       }
 471    }
 472
 473    if( skaterift.activity == k_skaterift_world_map ){
 474       world_instance *world = world_current_instance();
 475       glDrawBuffers( 1, (GLenum[]){ GL_COLOR_ATTACHMENT0 } );
 476
 477       v3f bg;
 478       v3_muls( world->ub_lighting.g_daysky_colour,
 479                   world->ub_lighting.g_day_phase -
 480                   world->ub_lighting.g_sunset_phase*0.1f, bg );
 481
 482       v3_muladds( bg, world->ub_lighting.g_sunset_colour,
 483                   (1.0f-0.5f)*world->ub_lighting.g_sunset_phase, bg );
 484
 485       v3_muladds( bg, world->ub_lighting.g_nightsky_colour,
 486                   (1.0f-world->ub_lighting.g_day_phase), bg );
 487
 488       glClearColor( bg[0], bg[1], bg[2], 0.0f );
 489       glClear( GL_COLOR_BUFFER_BIT );
 490       glDrawBuffers( 2, (GLenum[]){ GL_COLOR_ATTACHMENT0,
 491                                     GL_COLOR_ATTACHMENT1 } );
 492
 493       m4x3f identity;
 494       m4x3_identity( identity );
 495       render_world_override( world, world, identity, &skaterift.cam,
 496                              world_map.spawn,
 497                              (v4f){world->tar_min, world->tar_max, 1.0f, 0.0f});
 498       render_world_routes( world, world, identity, &skaterift.cam, 0, 1 );
 499       return;
 500    }
 501
 502    world_instance *view_world = get_view_world();
 503    render_world( view_world, &skaterift.cam, 0, 0, 1, 1 );
 504
 505    particle_system_update( &particles_grind, vg.time_delta );
 506    //particle_system_debug( &particles_grind );
 507    particle_system_prerender( &particles_grind );
 508    particle_system_render( &particles_grind, &skaterift.cam );
 509
 510    ent_tornado_pre_update();
 511    particle_system_update( &particles_env, vg.time_delta );
 512    particle_system_prerender( &particles_env );
 513    particle_system_render( &particles_env, &skaterift.cam );
 514
 515    /*
 516     * render transition
 517     */
 518    if( global_miniworld.transition == 0 )
 519       return;
 520
 521    world_instance *holdout_world = NULL;
 522    f32 t = 0.0f;
 523
 524    if( global_miniworld.transition == 1 ){
 525       holdout_world = &world_static.instances[ k_world_purpose_hub ];
 526       t = global_miniworld.t;
 527    }
 528    else{
 529       holdout_world = &world_static.instances[ k_world_purpose_client ];
 530       t = 1.0f-global_miniworld.t;
 531    }
 532
 533    if( holdout_world->status != k_world_status_loaded )
 534       return;
 535
 536    t = vg_smoothstepf( t );
 537
 538    glEnable( GL_STENCIL_TEST );
 539    glDisable( GL_DEPTH_TEST );
 540    glStencilOp( GL_KEEP, GL_KEEP, GL_REPLACE );
 541    glStencilFunc( GL_ALWAYS, 1, 0xFF );
 542    glStencilMask( 0xFF );
 543
 544    shader_blit_transition_use();
 545    shader_blit_transition_uInverseRatio( (v2f){1.0f,1.0f} );
 546    shader_blit_transition_uT( -(sqrtf(2)+0.5f) * t );
 547
 548    render_fsquad();
 549    render_world( holdout_world, &global_miniworld.cam, 1, 0, 1, 1 );
 550 }
 551
 552 static void skaterift_composite_maincamera(void){
 553    camera_lerp( &localplayer.cam, &world_static.focus_cam,
 554                 vg_smoothstepf(world_static.focus_strength), &skaterift.cam );
 555
 556    if( skaterift.freecam ){
 557       freecam_preupdate();
 558       v3_copy( skaterift.replay_freecam.pos, skaterift.cam.pos );
 559       v3_copy( skaterift.replay_freecam.angles, skaterift.cam.angles );
 560       skaterift.cam.fov = skaterift.replay_freecam.fov;
 561    }
 562    else {
 563       if( skaterift.activity == k_skaterift_replay ){
 564          replay_get_camera( &skaterift.replay, &skaterift.cam );
 565       }
 566    }
 567
 568    skaterift.cam.nearz = 0.1f;
 569    skaterift.cam.farz  = 2100.0f;
 570
 571    if( skaterift.activity == k_skaterift_world_map ){
 572       camera_copy( &world_map.cam, &skaterift.cam );
 573       skaterift.cam.nearz = 4.0f;
 574       skaterift.cam.farz = 3100.0f;
 575    }
 576
 577    if( global_miniworld.transition ){
 578       f32 dt = vg.time_frame_delta / 2.0f,
 579           s  = vg_signf( global_miniworld.transition );
 580       global_miniworld.t += s * dt;
 581
 582       if( (global_miniworld.t > 1.0f) || (global_miniworld.t < 0.0f) ){
 583          global_miniworld.t = vg_clampf( global_miniworld.t, 0.0f, 1.0f );
 584          global_miniworld.transition = 0;
 585       }
 586    }
 587
 588    camera_update_transform( &skaterift.cam );
 589    camera_update_view( &skaterift.cam );
 590    camera_update_projection( &skaterift.cam );
 591    camera_finalize( &skaterift.cam );
 592 }
 593
 594 static void render_main_game(void){
 595    if( skaterift.activity == k_skaterift_replay ){
 596       player__animate_from_replay( &skaterift.replay );
 597    }
 598    else{
 599       player__animate();
 600       skaterift_record_frame( &skaterift.replay,
 601                               localplayer.deferred_frame_record );
 602       localplayer.deferred_frame_record = 0;
 603    }
 604    animate_remote_players();
 605    player__pre_render();
 606
 607    skaterift_composite_maincamera();
 608
 609    /* --------------------------------------------------------------------- */
 610    if( skaterift.activity != k_skaterift_world_map ){
 611       world_instance *world = world_current_instance();
 612       render_world_cubemaps( world );
 613
 614       ent_gate *nlg = world->rendering_gate;
 615       if( nlg && nlg->flags & k_ent_gate_nonlocal )
 616          render_world_cubemaps( &world_static.instances[nlg->target] );
 617    }
 618
 619    /* variable res target */
 620    render_fb_bind( gpipeline.fb_main, 1 );
 621    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 622    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
 623
 624    render_scene();
 625    glEnable( GL_DEPTH_TEST );
 626
 627    /* full res target */
 628    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 629    glViewport( 0,0, vg.window_x, vg.window_y );
 630
 631    render_player_transparent(); /* needs to read the depth buffer before we fuck
 632                                    it up with the oblique rendering inside the
 633                                    portals */
 634
 635    /* continue with variable rate */
 636    if( !global_miniworld.transition &&
 637          (skaterift.activity != k_skaterift_world_map) ){
 638       render_fb_bind( gpipeline.fb_main, 1 );
 639       render_world_gates( get_view_world(), &skaterift.cam );
 640    }
 641
 642    /* composite */
 643    present_view_with_post_processing();
 644
 645    skaterift_replay_post_render();
 646 }
 647
 648 static void vg_render(void){
 649    if( k_tools_mode ){
 650       glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 651       glViewport( 0,0, vg.window_x, vg.window_y );
 652       glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
 653       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 654       return;
 655    }
 656
 657    if( skaterift.op == k_async_op_clientloading ){
 658       _vg_loader_render();
 659       return;
 660    }
 661
 662    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 663
 664    glViewport( 0,0, vg.window_x, vg.window_y );
 665    glDisable( GL_DEPTH_TEST );
 666    glDisable( GL_BLEND );
 667
 668    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 669    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 670
 671    render_main_game();
 672    m4x4_copy( skaterift.cam.mtx.pv, vg.pv );
 673
 674    /* Other shite */
 675    glDisable(GL_BLEND);
 676    glDisable(GL_DEPTH_TEST);
 677    vg_lines_drawall();
 678    glViewport( 0,0, vg.window_x, vg.window_y );
 679    gui_draw();
 680 }
 681
 682 static void vg_gui(void){
 683    if( skaterift.op == k_async_op_clientloading ) return;
 684
 685    vg_ui.tex_bg = gpipeline.fb_main->attachments[0].id;
 686    render_fb_inverse_ratio( gpipeline.fb_main, vg_ui.bg_inverse_ratio );
 687
 688    menu_update();
 689    if( skaterift.activity == k_skaterift_menu ){
 690       glClear( GL_DEPTH_BUFFER_BIT );
 691       menu_render();
 692    }
 693
 694    player__im_gui();
 695    world_instance *world = world_current_instance();
 696
 697    world_routes_imgui( world );
 698    skaterift_replay_imgui();
 699    workshop_form_gui();
 700    render_view_framebuffer_ui();
 701    remote_player_network_imgui( vg.pv );
 702
 703    if( skaterift.activity == k_skaterift_world_map ){
 704       remote_players_imgui_world( world_current_instance(), vg.pv, 2000.0f, 0 );
 705       remote_players_imgui_lobby();
 706    }
 707    else {
 708       remote_players_chat_imgui(); /* TODO: conditional */
 709       remote_players_imgui_world( world_current_instance(), vg.pv, 100.0f, 1 );
 710    }
 711 }