skaterift.c

   1 /*
   2  * =============================================================================
   3  *
   4  * Copyright  .        . .       -----, ,----- ,---.   .---.
   5  * 2021-2023  |\      /| |           /  |      |    | |    /|
   6  *            | \    / | +--        /   +----- +---'  |   / |
   7  *            |  \  /  | |         /    |      |   \  |  /  |
   8  *            |   \/   | |        /     |      |    \ | /   |
   9  *            '        ' '--' [] '----- '----- '     ' '---'  SOFTWARE
  10  *
  11  * =============================================================================
  12  */
  13
  14 #if 1
  15
  16 //#define SR_NETWORKED
  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 "pointcloud.h"
  40 #include "save.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 "highscores.c"
  52 #include "save.c"
  53
  54 static struct player_avatar localplayer_avatar;
  55
  56 int main( int argc, char *argv[] ){
  57    vg_mem.use_libc_malloc = 0;
  58    vg_set_mem_quota( 160*1024*1024 );
  59    vg_enter( argc, argv, "Voyager Game Engine" );
  60    return 0;
  61 }
  62
  63 VG_STATIC void vg_launch_opt(void){}
  64
  65 VG_STATIC void vg_preload(void){
  66    //skaterift_read_savedata();
  67
  68 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
  69 vg_info(" 2021-2023  |\\      /| |           /  |      |    | |    /| \n" );
  70 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
  71 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
  72 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
  73 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
  74         "SOFTWARE\n" );
  75
  76    steam_init();
  77    vg_loader_step( NULL, steam_end );
  78    vg_loader_step( network_init, network_end );
  79 }
  80
  81 VG_STATIC void load_playermodels(void){
  82    /* FIXME: hack */
  83    shader_model_character_view_register();
  84    shader_model_board_view_register();
  85    shader_model_entity_register();
  86 }
  87
  88 VG_STATIC void async_skaterift_player_start( void *payload, u32 size ){
  89    localplayer.viewable_world = world_current_instance();
  90    localplayer_cmd_respawn( 1, (const char *[]){ "start" } );
  91 }
  92
  93 static void async_call_ready( void *payload, u32 size ){
  94    skaterift.op = k_async_op_none;
  95 }
  96
  97 static void skaterift_restore_state(void){
  98    savedata_file sav;
  99    strcpy( sav.path, str_skaterift_main_save );
 100    savedata_file_read( &sav );
 101
 102    vg_msg kvsav = {0};
 103    kvsav.buf = sav.buf;
 104    kvsav.len = sav.len;
 105    kvsav.max = sizeof(sav.buf);
 106
 107    vg_msg player = kvsav;
 108    if( vg_msg_seekframe( &player, "player", 0 ) ){
 109       addon_alias q;
 110
 111       /* board */
 112       skaterift_read_addon_alias( &player, "board", k_addon_type_board, &q );
 113       u32 reg_id = addon_match( &q );
 114       if( reg_id != 0xffffffff ){
 115          localplayer.board_view_slot =
 116             addon_cache_create_viewer( k_addon_type_board, reg_id );
 117       }
 118
 119       /* playermodel */
 120       skaterift_read_addon_alias( &player, "playermodel",
 121                                   k_addon_type_player, &q );
 122       reg_id = addon_match( &q );
 123
 124       if( reg_id == 0xffffffff ) reg_id = 0;
 125       localplayer.playermodel_view_slot =
 126          addon_cache_create_viewer( k_addon_type_player, reg_id );
 127    }
 128
 129    vg_msg world = kvsav;
 130    if( vg_msg_seekframe( &world, "world", 0 ) ){
 131       addon_alias q;
 132
 133       /* world */
 134       skaterift_read_addon_alias( &world, "alias", k_addon_type_world, &q );
 135       u32 reg_id = addon_match( &q );
 136       if( reg_id != 0xffffffff ){
 137          addon_reg *reg = get_addon_from_index( k_addon_type_world, reg_id );
 138
 139          world_static.load_state = k_world_loader_load;
 140          struct world_load_args args = {
 141             .purpose = k_world_purpose_client,
 142             .reg = reg
 143          };
 144          skaterift_world_load_thread( &args );
 145
 146          world_static.active_instance = vg_msg_seekkvu32( &world, "index", 0 );
 147          world_static.active_trigger_volume_count = 0;
 148          localplayer.viewable_world = world_current_instance();
 149       }
 150
 151       vg_msg_cmd position = vg_msg_seekkv( &world, "position", 0 );
 152       v3f pos;
 153       vg_msg_convert_num( &position, k_vg_msg_float|k_vg_msg_32b, 3, pos );
 154
 155       if( v3_length2(pos) > 1.0f )
 156          player__setpos( &localplayer, pos );
 157    }
 158 }
 159
 160 VG_STATIC void vg_load(void){
 161    vg_console_reg_cmd( "changeworld", skaterift_change_world_command, NULL );
 162
 163    vg_loader_step( render_init, NULL );
 164    vg_loader_step( menu_init, NULL );
 165    vg_loader_step( pointcloud_init, NULL );
 166    vg_loader_step( world_init, NULL );
 167    vg_loader_step( vehicle_init, NULL );
 168    vg_loader_step( font3d_init, NULL );
 169    vg_loader_step( gui_init, NULL );
 170
 171    vg_loader_step( player_init, NULL );
 172    vg_loader_step( player_ragdoll_init, NULL );
 173
 174    /* content stuff */
 175    vg_loader_step( addon_system_init, NULL );
 176    vg_loader_step( workshop_init, NULL );
 177    vg_loader_step( skateshop_init, NULL );
 178
 179    /* ----------------- */
 180    vg_loader_step( load_playermodels, NULL );
 181
 182    /* player setup */
 183    u32 bytes = 1024*1024*10;
 184    skaterift.replay.data = vg_linear_alloc( vg_mem.rtmemory, bytes );
 185    skaterift.replay.size = bytes;
 186    replay_clear( &skaterift.replay );
 187
 188    player__create( &localplayer );
 189    player_avatar_load( &localplayer_avatar, "models/ch_none.mdl" );
 190    player__use_avatar( &localplayer, &localplayer_avatar );
 191    player_model_load( &localplayer.fallback_model, "models/ch_none.mdl" );
 192    player__bind( &localplayer );
 193
 194    /* --------------------- */
 195
 196    vg_bake_shaders();
 197    vg_loader_step( audio_init, audio_free );
 198
 199    /* 'systems' are completely loaded now */
 200
 201    /* Completing addon registrations
 202     * -------------------------------------
 203     */
 204
 205    /* understate diy. */
 206    addon_reg *spawn = addon_mount_local_addon( "maps/mp_spawn",
 207                                                 k_addon_type_world,
 208                                                 ".mdl" );
 209    {
 210       vg_msg msg = {0};
 211       msg.buf = spawn->metadata;
 212       msg.max = sizeof(spawn->metadata);
 213       vg_msg_frame( &msg, "workshop" );
 214       vg_msg_wkvstr( &msg, "title", "Understate DIY" );
 215       vg_msg_end_frame( &msg );
 216       vg_msg_wkvstr( &msg, "location", "USA" );
 217       spawn->metadata_len = msg.cur;
 218    }
 219
 220    /* mtzero island */
 221    addon_reg *mtzero = addon_mount_local_addon( "maps/mp_mtzero",
 222                                                 k_addon_type_world,
 223                                                 ".mdl" );
 224    {
 225       vg_msg msg = {0};
 226       msg.buf = mtzero->metadata;
 227       msg.max = sizeof(mtzero->metadata);
 228       vg_msg_frame( &msg, "workshop" );
 229       vg_msg_wkvstr( &msg, "title", "Mt.Zero Island" );
 230       vg_msg_end_frame( &msg );
 231       vg_msg_wkvstr( &msg, "location", "Australia" );
 232       mtzero->metadata_len = msg.cur;
 233    }
 234
 235    /* load home/permanent world manually */
 236    world_static.load_state = k_world_loader_load;
 237    struct world_load_args args = {
 238       .purpose = k_world_purpose_hub,
 239       .reg = spawn
 240    };
 241    skaterift_world_load_thread( &args );
 242
 243    vg_async_call( async_skaterift_player_start, NULL, 0 );
 244    vg_async_stall();
 245
 246
 247    global_skateshop.selected_world_id=1;
 248    global_skateshop.pointcloud_world_id=1;
 249    skateshop_world_preview_loader_thread( mtzero ); /* HACK */
 250
 251    vg_console_load_autos();
 252    menu_link();
 253
 254    addon_mount_content_folder( k_addon_type_player,
 255                                "playermodels", ".mdl" );
 256    addon_mount_content_folder( k_addon_type_board, "boards", ".mdl" );
 257    addon_mount_content_folder( k_addon_type_world, "maps", ".mdl" );
 258    addon_mount_workshop_items();
 259    vg_async_call( async_addon_reg_update, NULL, 0 );
 260    vg_async_stall();
 261
 262    /* and now */
 263    skaterift_restore_state();
 264    vg_loader_step( NULL, skaterift_autosave_synchronous );
 265
 266    board_processview_thread(NULL);
 267    vg_async_call( async_call_ready, NULL, 0 );
 268 }
 269
 270 VG_STATIC void draw_origin_axis(void){
 271    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 272    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 273    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 274 }
 275 static void skaterift_change_client_world_preupdate(void);
 276
 277 /*
 278  * UPDATE LOOP
 279  * ---------------------------------------------------------------------------*/
 280
 281 VG_STATIC void vg_pre_update(void){
 282    srinput.enabled = 1;
 283
 284    steam_update();
 285    skaterift_preupdate_inputs();
 286    if( skaterift.op == k_async_op_clientloading ) return;
 287    if( world_static.load_state == k_world_loader_preload )
 288       skaterift_change_client_world_preupdate();
 289
 290    draw_origin_axis();
 291    network_update();
 292
 293    /* time rate */
 294    f32 target = 1;
 295    if( skaterift.activity & (k_skaterift_replay|k_skaterift_menu) )
 296       target = 0;
 297
 298    vg_slewf( &skaterift.time_rate, target, vg.time_frame_delta * (1.0f/0.3f) );
 299    vg.time_rate = vg_smoothstepf( skaterift.time_rate );
 300
 301    player__pre_update( &localplayer );
 302    global_skateshop_preupdate();
 303    skaterift_replay_pre_update();
 304
 305    world_update( world_current_instance(), localplayer.rb.co );
 306    audio_ambient_sprites_update( world_current_instance(), localplayer.rb.co );
 307 }
 308
 309 VG_STATIC void vg_fixed_update(void){
 310    if( skaterift.op == k_async_op_clientloading ) return;
 311
 312    world_routes_fixedupdate( world_current_instance() );
 313    player__update( &localplayer );
 314    vehicle_update_fixed();
 315 }
 316
 317 VG_STATIC void vg_post_update(void){
 318    if( skaterift.op == k_async_op_clientloading ) return;
 319
 320    player__post_update( &localplayer );
 321
 322    float dist;
 323    int sample_index;
 324    world_audio_sample_distances( localplayer.rb.co, &sample_index, &dist );
 325
 326    audio_lock();
 327    vg_dsp.echo_distances[sample_index] = dist;
 328
 329    v3f ears = { 1.0f,0.0f,0.0f };
 330    m3x3_mulv( skaterift.cam.transform, ears, ears );
 331    v3_copy( ears, vg_audio.external_listener_ears );
 332    v3_copy( skaterift.cam.transform[3], vg_audio.external_listener_pos );
 333
 334    if( localplayer.gate_waiting ){
 335       m4x3_mulv( localplayer.gate_waiting->transport,
 336                  vg_audio.external_listener_pos,
 337                  vg_audio.external_listener_pos );
 338    }
 339
 340    v3_copy( localplayer.rb.v, vg_audio.external_lister_velocity );
 341    audio_unlock();
 342
 343    vehicle_update_post();
 344
 345    if( vg.time - skaterift.last_autosave > 20.0 ){
 346       if( skaterift_autosave(1) ){
 347          skaterift.last_autosave = vg.time;
 348       }
 349    }
 350 }
 351
 352 /*
 353  * RENDERING
 354  * ---------------------------------------------------------------------------*/
 355
 356 VG_STATIC void vg_framebuffer_resize( int w, int h ){
 357    render_fb_resize();
 358 }
 359
 360 VG_STATIC void present_view_with_post_processing(void){
 361    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 362    glViewport( 0,0, vg.window_x, vg.window_y );
 363
 364    glEnable(GL_BLEND);
 365    glDisable(GL_DEPTH_TEST);
 366    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 367    glBlendEquation(GL_FUNC_ADD);
 368
 369    v2f inverse;
 370    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 371
 372    if( k_blur_effect ){
 373       shader_blitblur_use();
 374       shader_blitblur_uTexMain( 0 );
 375       shader_blitblur_uTexMotion( 1 );
 376       shader_blitblur_uBlurStrength( k_blur_strength /
 377                                      (vg.time_frame_delta*60.0) );
 378       shader_blitblur_uInverseRatio( inverse );
 379
 380       inverse[0] -= 0.0001f;
 381       inverse[1] -= 0.0001f;
 382       shader_blitblur_uClampUv( inverse );
 383
 384       static f64 effect_time = 133.0;
 385       effect_time += vg.time_frame_delta;
 386       shader_blitblur_uTime( effect_time );
 387
 388       f32 glitch_strength = 0.0f;
 389       if( skaterift.activity == k_skaterift_replay ){
 390          glitch_strength = 0.005f;
 391          if( skaterift.replay_control == k_replay_control_play )
 392             glitch_strength = 0.005f;
 393          else
 394             glitch_strength += 0.005f*skaterift.track_velocity;
 395       }
 396       shader_blitblur_uGlitchStrength( glitch_strength );
 397
 398       v2f override;
 399       if( skaterift.activity == k_skaterift_menu )
 400          v2_muls( (v2f){ 0.04f, 0.001f }, 1.0f-skaterift.time_rate, override );
 401       else
 402          v2_zero( override );
 403       shader_blitblur_uOverrideDir( override );
 404
 405       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 406       render_fb_bind_texture( gpipeline.fb_main, 1, 1 );
 407    }
 408    else{
 409       shader_blit_use();
 410       shader_blit_uTexMain( 0 );
 411       shader_blit_uInverseRatio( inverse );
 412       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 413    }
 414
 415    render_fsquad();
 416 }
 417
 418 VG_STATIC void render_player_transparent(void){
 419    static camera small_cam;      /* DOES NOT NEED TO BE STATIC BUT MINGW
 420                                     SAIS OTHERWISE */
 421
 422    m4x3_copy( skaterift.cam.transform, small_cam.transform );
 423
 424    small_cam.fov = skaterift.cam.fov;
 425    small_cam.nearz = 0.05f;
 426    small_cam.farz  = 60.0f;
 427
 428    camera_update_view( &small_cam );
 429    camera_update_projection( &small_cam );
 430    camera_finalize( &small_cam );
 431
 432    /* Draw player to window buffer and blend background ontop */
 433    player__render( &small_cam, &localplayer );
 434 }
 435
 436 VG_STATIC void render_scene(void){
 437    /* Draw world */
 438    glEnable( GL_DEPTH_TEST );
 439
 440    world_instance *view_world = localplayer.viewable_world;
 441
 442    if( view_world == NULL ){
 443       glClearColor( 0.25f, 0.25f, 0.0f, 1.0f );
 444       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
 445       return;
 446    }
 447
 448    for( u32 i=0; i<vg_list_size(world_static.instances); i++ ){
 449       if( world_static.instances[i].status == k_world_status_loaded ){
 450          world_prerender( &world_static.instances[i] );
 451       }
 452    }
 453
 454    render_world( view_world, &skaterift.cam, 0 );
 455
 456    render_water_texture( view_world, &skaterift.cam, 0 );
 457    render_fb_bind( gpipeline.fb_main, 1 );
 458    render_water_surface( view_world, &skaterift.cam );
 459 }
 460
 461 VG_STATIC void render_scene_gate_subview(void){
 462    render_fb_bind( gpipeline.fb_main, 1 );
 463    world_instance *view_world = localplayer.viewable_world;
 464    if( !view_world ) return; /* ??? */
 465
 466    int depth = 1;
 467    if( localplayer.gate_waiting ) depth = 0;
 468    render_world_gates( view_world, &skaterift.cam, depth );
 469 }
 470
 471 VG_STATIC void skaterift_composite_maincamera(void){
 472    camera_lerp( &localplayer.cam, &global_skateshop.cam,
 473                 vg_smoothstepf(global_skateshop.factive), &skaterift.cam );
 474
 475    if( skaterift.activity == k_skaterift_replay ){
 476       skaterift_get_replay_camera( &skaterift.cam );
 477    }
 478
 479    skaterift.cam.nearz = 0.1f;
 480    skaterift.cam.farz  = 2100.0f;
 481
 482    camera_update_transform( &skaterift.cam );
 483
 484    if( localplayer.gate_waiting ){
 485       m3x3_mul( localplayer.basis_gate, skaterift.cam.transform,
 486                 skaterift.cam.transform );
 487    }
 488    else{
 489       m3x3_mul( localplayer.basis, skaterift.cam.transform,
 490                 skaterift.cam.transform );
 491    }
 492
 493    camera_update_view( &skaterift.cam );
 494    camera_update_projection( &skaterift.cam );
 495    camera_finalize( &skaterift.cam );
 496 }
 497
 498 VG_STATIC void render_main_game(void){
 499    if( skaterift.activity == k_skaterift_replay ){
 500       player__animate_from_replay( &localplayer, &skaterift.replay );
 501    }
 502    else{
 503       player__animate( &localplayer );
 504       skaterift_record_frame( &skaterift.replay, 0 );
 505    }
 506    player__pre_render( &localplayer );
 507
 508    skaterift_composite_maincamera();
 509
 510    /* --------------------------------------------------------------------- */
 511
 512    world_instance *view_world = localplayer.viewable_world;
 513    if( view_world != NULL ){
 514       render_world_cubemaps( view_world );
 515
 516       ent_gate *gate = view_world->rendering_gate;
 517       if( gate ){
 518          if( gate->flags & k_ent_gate_nonlocal ){
 519             world_instance *dest = &world_static.instances[ gate->target ];
 520             render_world_cubemaps( dest );
 521          }
 522       }
 523    }
 524
 525    /* variable res target */
 526    render_fb_bind( gpipeline.fb_main, 1 );
 527    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 528    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
 529
 530    render_scene();
 531    glEnable( GL_DEPTH_TEST );
 532
 533    /* full res target */
 534    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 535    glViewport( 0,0, vg.window_x, vg.window_y );
 536
 537    render_player_transparent(); /* needs to read the depth buffer before we fuck
 538                                    it up with the oblique rendering inside the
 539                                    portals */
 540
 541    /* continue with variable rate */
 542    render_scene_gate_subview();
 543
 544    /* composite */
 545    present_view_with_post_processing();
 546
 547    /* --------------------------------------------------------------------- */
 548
 549    /* capture the current resume frame at the very last point */
 550    if( button_down( k_srbind_reset ) ){
 551       if( skaterift.activity == k_skaterift_default ){
 552          skaterift.activity = k_skaterift_replay;
 553          skaterift_record_frame( &skaterift.replay, 1 );
 554          if( skaterift.replay.head ){
 555             skaterift.replay.cursor = skaterift.replay.head->time;
 556             skaterift.replay.cursor_frame = skaterift.replay.head;
 557          }
 558          skaterift.replay_control = k_replay_control_scrub;
 559       }
 560    }
 561 }
 562
 563 VG_STATIC void vg_render(void){
 564    if( skaterift.op == k_async_op_clientloading ){
 565       _vg_loader_render();
 566       return;
 567    }
 568
 569    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 570
 571    glViewport( 0,0, vg.window_x, vg.window_y );
 572    glDisable( GL_DEPTH_TEST );
 573    glDisable( GL_BLEND );
 574
 575    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 576    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 577
 578    render_main_game();
 579    m4x4_copy( skaterift.cam.mtx.pv, vg.pv );
 580
 581    /* Other shite */
 582    glDisable(GL_BLEND);
 583    glDisable(GL_DEPTH_TEST);
 584    vg_lines_drawall();
 585    glViewport( 0,0, vg.window_x, vg.window_y );
 586    gui_draw();
 587 }
 588
 589 VG_STATIC void vg_gui(void){
 590    if( skaterift.op == k_async_op_clientloading ) return;
 591
 592    menu_update();
 593    if( skaterift.activity == k_skaterift_menu ){
 594       glClear( GL_DEPTH_BUFFER_BIT );
 595       menu_render();
 596    }
 597
 598    player__im_gui( &localplayer );
 599    world_instance *world = world_current_instance();
 600
 601    skaterift_replay_imgui();
 602    workshop_form_gui();
 603    render_view_framebuffer_ui();
 604 }
 605
 606
 607 #else
 608
 609 #include "skaterift_imgui_dev.c"
 610
 611 #endif