skaterift.c

   1 /*
   2  * =============================================================================
   3  *
   4  * Copyright  .        . .       -----, ,----- ,---.   .---.
   5  * 2021-2023  |\      /| |           /  |      |    | |    /|
   6  *            | \    / | +--        /   +----- +---'  |   / |
   7  *            |  \  /  | |         /    |      |   \  |  /  |
   8  *            |   \/   | |        /     |      |    \ | /   |
   9  *            '        ' '--' [] '----- '----- '     ' '---'  SOFTWARE
  10  *
  11  * =============================================================================
  12  */
  13
  14 #define SR_NETWORKED
  15 #define VG_DEVWINDOW
  16 #include "common.h"
  17 #include "conf.h"
  18 #include "steam.h"
  19 #include "render.h"
  20 #include "audio.h"
  21 #include "world.h"
  22 #include "font.h"
  23 #include "player.h"
  24
  25 static player_instance localplayer;
  26 VG_STATIC struct player_avatar localplayer_avatar;
  27 VG_STATIC glmesh localplayer_meshes[3];
  28 vg_tex2d localplayer_texture = { .path = "textures/ch_gradient.qoi" };
  29
  30 player_instance *tmp_localplayer(void)
  31 {
  32    return &localplayer;
  33 }
  34
  35 #include "network.h"
  36 #include "menu.h"
  37 #include "vehicle.h"
  38
  39 #define DEV_AARON
  40 #ifdef DEV_AARON
  41 static rb_object aaron={
  42    .type=k_rb_shape_box,
  43    .rb.bbx = {{ -2.0f, -1.0f, -1.0f }, { 2.0f, 1.0f, 1.0f }}
  44 };
  45 #endif
  46
  47 int main( int argc, char *argv[] )
  48 {
  49    vg_mem.use_libc_malloc = 0;
  50    vg_set_mem_quota( 160*1024*1024 );
  51    vg_enter( argc, argv, "Voyager Game Engine" );
  52    return 0;
  53 }
  54
  55 VG_STATIC void highscores_save_at_exit(void)
  56 {
  57    highscores_serialize_all();
  58 }
  59
  60 VG_STATIC void vg_launch_opt(void)
  61 {
  62
  63 }
  64
  65 VG_STATIC int __kill( int argc, const char *argv[] )
  66 {
  67 #if 0
  68    player_use_device( &localplayer, &player_device_dead, &localplayer_dead );
  69 #endif
  70    return 0;
  71 }
  72
  73 VG_STATIC int __respawn( int argc, const char *argv[] )
  74 {
  75    ent_spawn *rp = NULL, *r;
  76    world_instance *world = get_active_world();
  77
  78    if( argc == 1 ){
  79       for( u32 i=0; i<mdl_arrcount(&world->ent_spawn); i++ ){
  80          r = mdl_arritm( &world->ent_spawn, i );
  81          if( !strcmp( mdl_pstr(&world->meta, r->pstr_name),argv[0] ) ){
  82             rp = r;
  83             break;
  84          }
  85       }
  86
  87       if( !rp )
  88          vg_warn( "No spawn named '%s'\n", argv[0] );
  89    }
  90
  91    if( !rp ){
  92       float min_dist = INFINITY;
  93
  94       for( u32 i=0; i<mdl_arrcount(&world->ent_spawn); i++ ){
  95          r = mdl_arritm( &world->ent_spawn, i );
  96          float d = v3_dist2( r->transform.co, localplayer.rb.co );
  97
  98          if( d < min_dist ){
  99             min_dist = d;
 100             rp = r;
 101          }
 102       }
 103    }
 104
 105    if( !rp ){
 106       vg_error( "No spawn found\n" );
 107
 108       if( !mdl_arrcount(&world->ent_spawn) )
 109          return 0;
 110
 111       rp = mdl_arritm( &world->ent_spawn, 0 );
 112    }
 113
 114    player__spawn( &localplayer, rp );
 115    return 1;
 116 }
 117
 118 VG_STATIC void vg_preload(void)
 119 {
 120    g_conf_init();
 121
 122    vg_console_reg_cmd( "respawn", __respawn, NULL );
 123    vg_console_reg_cmd( "ded", __kill, NULL );
 124
 125 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
 126 vg_info(" 2021-2022  |\\      /| |           /  |      |    | |    /| \n" );
 127 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
 128 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
 129 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
 130 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
 131         "SOFTWARE\n" );
 132
 133    highscores_init( 2000, 50 );
 134    if( !highscores_read() )
 135       highscores_create_db();
 136
 137    vg_loader_step( NULL, highscores_save_at_exit );
 138
 139    steam_init();
 140    vg_loader_step( NULL, steam_end );
 141    vg_loader_step( network_init, network_end );
 142
 143 #ifdef DEV_AARON
 144    q_identity( aaron.rb.q );
 145    v3_zero( aaron.rb.w );
 146    v3_zero( aaron.rb.co );
 147    v3_zero( aaron.rb.v );
 148    rb_init_object( &aaron );
 149 #endif
 150 }
 151
 152 VG_STATIC void load_playermodels(void)
 153 {
 154    vg_linear_clear( vg_mem.scratch );
 155
 156    /*
 157     * load in other player models. This may need to be more sophisticated in
 158     * the futre if we have more of these guys
 159     */
 160    mdl_context ctx_default,
 161                ctx_outlaw,
 162                ctx_jordan;
 163
 164    mdl_open( &ctx_default, "models/ch_new.mdl", vg_mem.scratch );
 165    mdl_load_metadata_block( &ctx_default, vg_mem.scratch );
 166    mdl_load_mesh_block( &ctx_default, vg_mem.scratch );
 167    mdl_close( &ctx_default );
 168
 169    mdl_open( &ctx_outlaw, "models/ch_outlaw.mdl", vg_mem.scratch );
 170    mdl_load_metadata_block( &ctx_outlaw, vg_mem.scratch );
 171    mdl_load_mesh_block( &ctx_outlaw, vg_mem.scratch );
 172    mdl_close( &ctx_outlaw );
 173
 174    mdl_open( &ctx_jordan, "models/ch_jordan.mdl", vg_mem.scratch );
 175    mdl_load_metadata_block( &ctx_jordan, vg_mem.scratch );
 176    mdl_load_mesh_block( &ctx_jordan, vg_mem.scratch );
 177    mdl_close( &ctx_jordan );
 178
 179    vg_acquire_thread_sync();
 180    {
 181       mdl_unpack_glmesh( &ctx_default, &localplayer_meshes[0] );
 182       mdl_unpack_glmesh( &ctx_outlaw,  &localplayer_meshes[1] );
 183       mdl_unpack_glmesh( &ctx_jordan,  &localplayer_meshes[2] );
 184    }
 185    vg_release_thread_sync();
 186
 187    /* FIXME: hack */
 188    shader_model_character_view_register();
 189    vg_acquire_thread_sync();
 190    {
 191       vg_tex2d_init( (vg_tex2d *[]){ &localplayer_texture }, 1 );
 192    }
 193    vg_release_thread_sync();
 194 }
 195
 196 void temp_update_playermodel(void){
 197    player__use_mesh( &localplayer, &localplayer_meshes[cl_playermdl_id] );
 198 }
 199
 200 VG_STATIC void vg_load(void)
 201 {
 202    vg_loader_step( render_init, NULL );
 203    vg_loader_step( menu_init, NULL );
 204    vg_loader_step( world_init, NULL );
 205    vg_loader_step( vehicle_init, NULL );
 206    vg_loader_step( font3d_init, NULL );
 207
 208    font3d_load( &world_global.font, "models/rs_font.mdl", vg_mem.rtmemory );
 209
 210    vg_loader_step( player_init, NULL );
 211    vg_loader_step( player_ragdoll_init, NULL );
 212
 213    /* ----------------- */
 214    vg_loader_step( load_playermodels, NULL );
 215
 216    /* player setup */
 217    player__create( &localplayer );
 218    player_avatar_load( &localplayer_avatar, "models/ch_new.mdl" );
 219    player__use_avatar( &localplayer, &localplayer_avatar );
 220    player__use_mesh( &localplayer, &localplayer_meshes[cl_playermdl_id] );
 221    player__use_texture( &localplayer, &localplayer_texture );
 222    player__bind( &localplayer );
 223
 224    /* --------------------- */
 225
 226    vg_bake_shaders();
 227    vg_loader_step( audio_init, audio_free );
 228
 229    /* 'systems' are completely loaded now */
 230
 231    /* load home world */
 232    world_load( &world_global.worlds[0], "maps/mp_gridmap.mdl" );
 233    //world_load( &world_global.worlds[0], "maps/mp_mtzero.mdl" );
 234
 235 #if 0
 236    world_load( &world_global.worlds[1], "maps/mp_gridmap.mdl" );
 237    world_link_nonlocal_gates( 0, 1 );
 238    world_load( &world_global.worlds[2], "maps/mp_mtzero.mdl" );
 239    world_link_nonlocal_gates( 0, 2 );
 240 #endif
 241
 242    vg_console_load_autos();
 243 }
 244
 245 VG_STATIC void vg_start(void)
 246 {
 247    __respawn( 1, (const char *[]){ "start" } );
 248 }
 249
 250 VG_STATIC void draw_origin_axis(void)
 251 {
 252    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 253    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 254    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 255 }
 256
 257 VG_STATIC void vg_update(void)
 258 {
 259    steam_update();
 260
 261    if( vg.is_loaded ){
 262       draw_origin_axis();
 263       network_update();
 264
 265       player__pre_update( &localplayer );
 266
 267       world_update( get_active_world(), localplayer.rb.co );
 268       audio_ambient_sprites_update( get_active_world(), localplayer.rb.co );
 269    }
 270 }
 271
 272 VG_STATIC void vg_update_fixed(void)
 273 {
 274    if( vg.is_loaded ){
 275       world_routes_fixedupdate( get_active_world() );
 276
 277       player__update( &localplayer );
 278       vehicle_update_fixed();
 279
 280 #ifdef DEV_AARON
 281       world_instance *world = get_active_world();
 282       rb_solver_reset();
 283       rb_ct *buf = rb_global_buffer();
 284
 285       int l = rb_box__scene( aaron.rb.to_world, aaron.rb.bbx,
 286                              NULL, &world->rb_geo.inf.scene, buf );
 287       for( int j=0; j<l; j++ ){
 288          buf[j].rba = &aaron.rb;
 289          buf[j].rbb = &world->rb_geo.rb;
 290       }
 291       rb_contact_count += l;
 292       rb_presolve_contacts( rb_contact_buffer, rb_contact_count );
 293
 294       for( int j=0; j<8; j++ ){
 295          rb_solve_contacts( rb_contact_buffer, rb_contact_count );
 296       }
 297
 298       rb_iter( &aaron.rb );
 299       rb_update_transform( &aaron.rb );
 300 #endif
 301
 302    }
 303 }
 304
 305 VG_STATIC void vg_update_post(void)
 306 {
 307    if( vg.is_loaded ){
 308       player__post_update( &localplayer );
 309
 310       float inr3 = 0.57735027,
 311             inr2 = 0.70710678118;
 312
 313       v3f sample_directions[] = {
 314          { -1.0f,  0.0f,  0.0f },
 315          {  1.0f,  0.0f,  0.0f },
 316          {  0.0f,  0.0f,  1.0f },
 317          {  0.0f,  0.0f, -1.0f },
 318          {  0.0f,  1.0f,  0.0f },
 319          {  0.0f, -1.0f,  0.0f },
 320          { -inr3,  inr3,  inr3 },
 321          {  inr3,  inr3,  inr3 },
 322          { -inr3,  inr3, -inr3 },
 323          {  inr3,  inr3, -inr3 },
 324          { -inr2,  0.0f,  inr2 },
 325          {  inr2,  0.0f,  inr2 },
 326          { -inr2,  0.0f, -inr2 },
 327          {  inr2,  0.0f, -inr2 },
 328       };
 329
 330       static int si = 0;
 331       static float distances[16];
 332
 333       ray_hit ray;
 334       ray.dist = 5.0f;
 335
 336       v3f rc, rd, ro;
 337       v3_copy( sample_directions[ si ], rd );
 338       v3_add( localplayer.rb.co, (v3f){0.0f,1.5f,0.0f}, ro );
 339       v3_copy( ro, rc );
 340
 341       float dist = 200.0f;
 342
 343       for( int i=0; i<10; i++ ){
 344          if( ray_world( get_active_world(), rc, rd, &ray ) ){
 345             dist = (float)i*5.0f + ray.dist;
 346             break;
 347          }
 348          else{
 349             v3_muladds( rc, rd, ray.dist, rc );
 350          }
 351       }
 352
 353       distances[si] = dist;
 354
 355
 356       for( int i=0; i<14; i++ ){
 357          if( distances[i] != 200.0f ){
 358             u32 colours[] = { VG__RED, VG__BLUE, VG__GREEN,
 359                               VG__CYAN, VG__YELOW, VG__PINK,
 360                               VG__WHITE };
 361
 362             u32 colour = colours[i%7];
 363
 364             v3f p1;
 365             v3_muladds( ro, sample_directions[i], distances[i], p1 );
 366             vg_line( ro, p1, colour );
 367             vg_line_pt3( p1, 0.1f, colour );
 368          }
 369       }
 370
 371       si ++;
 372       if( si >= 14 )
 373          si = 0;
 374
 375       /* FIXME: TEMP */
 376       audio_lock();
 377       vg_dsp.echo_distances[si] = dist;
 378
 379       v3f ears = { 1.0f,0.0f,0.0f };
 380       m3x3_mulv( main_camera.transform, ears, ears );
 381       v3_copy( ears, vg_audio.external_listener_ears );
 382       v3_copy( main_camera.transform[3], vg_audio.external_listener_pos );
 383
 384       /* TODO: this is transformed back and fourth twice. */
 385       if( localplayer.gate_waiting ){
 386          m4x3_mulv( localplayer.gate_waiting->transport,
 387                     vg_audio.external_listener_pos,
 388                     vg_audio.external_listener_pos );
 389       }
 390
 391       v3_copy( localplayer.rb.v, vg_audio.external_lister_velocity );
 392       audio_unlock();
 393
 394       menu_update();
 395       vehicle_update_post();
 396
 397 #ifdef DEV_AARON
 398       SDL_Scancode sc = SDL_GetScancodeFromKey( SDLK_q );
 399       if( vg_input.sdl_keys[sc] ){
 400          m4x3_mulv( main_camera.transform, (v3f){0.0f,0.0f,-3.0f},
 401                     aaron.rb.co );
 402
 403          v3_zero( aaron.rb.v );
 404          v3_zero( aaron.rb.w );
 405          rb_update_transform( &aaron.rb );
 406       }
 407
 408       rb_object_debug( &aaron, VG__PINK );
 409 #endif
 410    }
 411 }
 412
 413 VG_STATIC void vg_framebuffer_resize( int w, int h )
 414 {
 415    render_fb_resize();
 416 }
 417
 418 VG_STATIC void present_view_with_post_processing(void)
 419 {
 420    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 421    glViewport( 0,0, vg.window_x, vg.window_y );
 422
 423    glEnable(GL_BLEND);
 424    glDisable(GL_DEPTH_TEST);
 425    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 426    glBlendEquation(GL_FUNC_ADD);
 427
 428    v2f inverse;
 429    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 430
 431    if( cl_blur ){
 432       shader_blitblur_use();
 433       shader_blitblur_uTexMain( 0 );
 434       shader_blitblur_uTexMotion( 1 );
 435       shader_blitblur_uBlurStrength(cl_blur_strength / (vg.frame_delta*60.0f));
 436       shader_blitblur_uInverseRatio( inverse );
 437
 438       v2f menu_blurring;
 439       v2_muls( (v2f){ 0.04f, 0.001f }, menu_opacity, menu_blurring );
 440       shader_blitblur_uOverrideDir( menu_blurring );
 441
 442       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 443       render_fb_bind_texture( gpipeline.fb_main, 1, 1 );
 444    }
 445    else{
 446       shader_blit_use();
 447       shader_blit_uTexMain( 0 );
 448       shader_blit_uInverseRatio( inverse );
 449       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 450    }
 451
 452    render_fsquad();
 453 }
 454
 455 VG_STATIC void render_player_transparent(void)
 456 {
 457    static camera small_cam;      /* DOES NOT NEED TO BE STATIC BUT MINGW
 458                                     SAIS OTHERWISE */
 459
 460    m4x3_copy( main_camera.transform, small_cam.transform );
 461
 462    small_cam.fov = main_camera.fov;
 463    small_cam.nearz = 0.05f;
 464    small_cam.farz  = 60.0f;
 465
 466    camera_update_view( &small_cam );
 467    camera_update_projection( &small_cam );
 468    camera_finalize( &small_cam );
 469
 470    /* Draw player to window buffer and blend background ontop */
 471    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 472    glViewport( 0,0, vg.window_x, vg.window_y );
 473    player__render( &small_cam, &localplayer );
 474 }
 475
 476 VG_STATIC void render_scene(void)
 477 {
 478    render_fb_bind( gpipeline.fb_main, 1 );
 479    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 480    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
 481
 482    /* Draw world */
 483    glEnable( GL_DEPTH_TEST );
 484
 485    world_instance *view_world = localplayer.viewable_world;
 486
 487    if( view_world == NULL ){
 488       glClearColor( 0.25f, 0.25f, 0.0f, 1.0f );
 489       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
 490       return;
 491    }
 492
 493    world_prerender( view_world );
 494    render_world( view_world, &main_camera, 0 );
 495
 496    render_water_texture( view_world, &main_camera, 0 );
 497    render_fb_bind( gpipeline.fb_main, 1 );
 498    render_water_surface( view_world, &main_camera );
 499
 500    int depth = 1;
 501    if( localplayer.gate_waiting ) depth = 0;
 502    render_world_gates( view_world, &main_camera, depth );
 503
 504    if( !cl_menu )
 505       render_player_transparent();
 506 }
 507
 508 VG_STATIC void render_main_game(void)
 509 {
 510 #if 0
 511    static float fov = 60.0f;
 512    float fov_target = vg_lerpf( 90.0f, 110.0f, cl_fov );
 513
 514    if( player.controller == k_player_controller_skate )
 515       fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov );
 516
 517    if( cl_menu )
 518       fov_target = menu_fov_target;
 519    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 520    fov = freecam? 60.0f: fov;
 521
 522    main_camera.fov   = fov;
 523 #endif
 524
 525    player__pre_render( &localplayer );
 526
 527    v3_lerp( localplayer.cam.pos, menu_camera_pos, menu_opacity,
 528             main_camera.pos );
 529    main_camera.angles[0] =
 530       vg_alerpf(  localplayer.cam.angles[0], menu_camera_angles[0],
 531                   menu_opacity );
 532    main_camera.angles[1] =
 533       vg_lerpf ( localplayer.cam.angles[1], menu_camera_angles[1],
 534                  menu_opacity );
 535
 536    main_camera.fov = vg_lerpf( localplayer.cam.fov, menu_smooth_fov,
 537                                menu_opacity );
 538    main_camera.nearz = 0.1f;
 539    main_camera.farz  = 2100.0f;
 540
 541    camera_update_transform( &main_camera );
 542
 543    if( localplayer.gate_waiting ){
 544       m3x3_mul( localplayer.basis_gate, main_camera.transform,
 545                 main_camera.transform );
 546    }
 547    else{
 548       m3x3_mul( localplayer.basis, main_camera.transform,
 549                 main_camera.transform );
 550    }
 551
 552    camera_update_view( &main_camera );
 553    camera_update_projection( &main_camera );
 554    camera_finalize( &main_camera );
 555
 556    /* ========== Begin Frame ========== */
 557
 558    render_scene();
 559
 560    if( cl_menu ) {
 561       glClear( GL_DEPTH_BUFFER_BIT );
 562       menu_render_bg();
 563       glEnable( GL_DEPTH_TEST );
 564       render_player_transparent();
 565    }
 566
 567    present_view_with_post_processing();
 568
 569    if( cl_menu )
 570       menu_render_fg( &main_camera );
 571
 572    /* =========== End Frame =========== */
 573 }
 574
 575 VG_STATIC void vg_render(void)
 576 {
 577    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 578
 579    glViewport( 0,0, vg.window_x, vg.window_y );
 580    glDisable( GL_DEPTH_TEST );
 581
 582    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 583    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 584
 585    render_main_game();
 586
 587    m4x4_copy( main_camera.mtx.pv, vg.pv );
 588
 589    /* Other shite */
 590    glDisable(GL_BLEND);
 591    glDisable(GL_DEPTH_TEST);
 592    vg_lines_drawall();
 593    glViewport( 0,0, vg.window_x, vg.window_y );
 594 }
 595
 596 VG_STATIC void vg_ui(void)
 597 {
 598 #if 0
 599    player__im_gui( &localplayer );
 600 #endif
 601    world_instance *world = get_active_world();
 602    menu_crap_ui();
 603
 604    render_view_framebuffer_ui();
 605 }