skaterift.c

   1 /*
   2  * =============================================================================
   3  *
   4  * Copyright  .        . .       -----, ,----- ,---.   .---.
   5  * 2021-2023  |\      /| |           /  |      |    | |    /|
   6  *            | \    / | +--        /   +----- +---'  |   / |
   7  *            |  \  /  | |         /    |      |   \  |  /  |
   8  *            |   \/   | |        /     |      |    \ | /   |
   9  *            '        ' '--' [] '----- '----- '     ' '---'  SOFTWARE
  10  *
  11  * =============================================================================
  12  */
  13
  14 #define SR_NETWORKED
  15 #include "common.h"
  16 #include "conf.h"
  17 #include "steam.h"
  18 #include "render.h"
  19 #include "audio.h"
  20 #include "world.h"
  21
  22 #if 0
  23 #include "player.h"
  24 #else
  25 #include "player_interface.h"
  26 #include "player_device_walk.h"
  27 #include "player_model.h"
  28
  29 VG_STATIC player_interface localplayer;
  30 VG_STATIC struct player_device_walk localplayer_walk;
  31
  32 #endif
  33
  34 #include "network.h"
  35
  36 #if 0
  37 #include "menu.h"
  38 #endif
  39 #include "vehicle.h"
  40
  41 static int cl_ui      = 1,
  42            cl_view_id = 0,
  43            cl_light_edit = 0;
  44
  45 int main( int argc, char *argv[] )
  46 {
  47    vg_mem.use_libc_malloc = 0;
  48    vg_set_mem_quota( 128*1024*1024 );
  49    vg_enter( argc, argv, "Voyager Game Engine" );
  50
  51    return 0;
  52 }
  53
  54 VG_STATIC void highscores_save_at_exit(void)
  55 {
  56    highscores_serialize_all();
  57 }
  58
  59 VG_STATIC void vg_launch_opt(void)
  60 {
  61
  62 }
  63
  64 VG_STATIC int __respawn( int argc, const char *argv[] )
  65 {
  66    struct respawn_point *rp = NULL, *r;
  67
  68    if( argc == 1 )
  69    {
  70       for( int i=0; i<world.spawn_count; i++ )
  71       {
  72          r = &world.spawns[i];
  73          if( !strcmp( r->name, argv[0] ) )
  74          {
  75             rp = r;
  76             break;
  77          }
  78       }
  79
  80       if( !rp )
  81          vg_warn( "No spawn named '%s'\n", argv[0] );
  82    }
  83
  84    if( !rp )
  85    {
  86       float min_dist = INFINITY;
  87
  88       for( int i=0; i<world.spawn_count; i++ )
  89       {
  90          r = &world.spawns[i];
  91          float d = v3_dist2( r->co, localplayer.rb.co );
  92
  93          vg_info( "Dist %s : %f\n", r->name, d );
  94          if( d < min_dist )
  95          {
  96             min_dist = d;
  97             rp = r;
  98          }
  99       }
 100    }
 101
 102    if( !rp )
 103    {
 104       vg_error( "No spawn found\n" );
 105
 106       if( !world.spawn_count )
 107          return 0;
 108
 109       rp = &world.spawns[0];
 110    }
 111
 112    player_spawn( &localplayer, rp );
 113    return 1;
 114 }
 115
 116 VG_STATIC void vg_preload(void)
 117 {
 118    g_conf_init();
 119
 120    vg_var_push( (struct vg_var){
 121       .name = "cl_ui",
 122       .data = &cl_ui,
 123       .data_type = k_var_dtype_i32,
 124       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 125       .persistent = 0
 126    });
 127
 128    vg_var_push( (struct vg_var){
 129       .name = "cl_view_id",
 130       .data = &cl_view_id,
 131       .data_type = k_var_dtype_i32,
 132       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 133       .persistent = 0
 134    });
 135
 136    vg_var_push( (struct vg_var){
 137       .name = "ledit",
 138       .data = &cl_light_edit,
 139       .data_type = k_var_dtype_i32,
 140       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 141       .persistent = 0
 142    });
 143
 144    vg_function_push( (struct vg_cmd) {
 145       .name = "respawn",
 146       .function = __respawn,
 147       //.poll_suggest = reset_player_poll
 148    });
 149
 150 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
 151 vg_info(" 2021-2022  |\\      /| |           /  |      |    | |    /| \n" );
 152 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
 153 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
 154 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
 155 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
 156         "SOFTWARE\n" );
 157
 158    highscores_init( 2000, 50 );
 159    if( !highscores_read() )
 160       highscores_create_db();
 161
 162    vg_loader_step( NULL, highscores_save_at_exit );
 163
 164    steam_init();
 165    vg_loader_step( NULL, steam_end );
 166    vg_loader_step( network_init, network_end );
 167 }
 168
 169 VG_STATIC void vg_load(void)
 170 {
 171    vg_loader_step( render_init, NULL );
 172    //vg_loader_step( menu_init, NULL );
 173    vg_loader_step( world_init, NULL );
 174    //vg_loader_step( player_init, NULL );
 175    //vg_loader_step( vehicle_init, NULL );
 176    //
 177    vg_loader_step( player_model_init, NULL );
 178
 179    player_interface_create_player( &localplayer );
 180    player_use_device( &localplayer, &player_device_walk, &localplayer_walk );
 181
 182    vg_bake_shaders();
 183    vg_loader_step( audio_init, audio_free );
 184    world_audio_init();
 185
 186    /* 'systems' are completely loaded now */
 187    strcpy( world.world_name, "maps/mp_mtzero.mdl" );
 188    strcpy( world.world_name, "maps/mp_gridmap.mdl" );
 189    world_load();
 190    vg_console_load_autos();
 191 }
 192
 193 VG_STATIC void vg_start(void)
 194 {
 195    __respawn( 1, (const char *[]){ "start" } );
 196 }
 197
 198 VG_STATIC void draw_origin_axis(void)
 199 {
 200    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 201    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 202    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 203 }
 204
 205 VG_STATIC void vg_update(void)
 206 {
 207    steam_update();
 208
 209    if( vg.is_loaded )
 210    {
 211       draw_origin_axis();
 212       network_update();
 213
 214 #if 0
 215       if( !gzoomer.inside )
 216          player_update_pre();
 217 #endif
 218
 219       player_pre_update( &localplayer );
 220       world_update( localplayer.rb.co );
 221    }
 222 }
 223
 224 VG_STATIC void vg_update_fixed(void)
 225 {
 226    if( vg.is_loaded )
 227    {
 228 #if 0
 229       if( !gzoomer.inside )
 230          player_update_fixed();
 231
 232       vehicle_update_fixed();
 233 #endif
 234
 235       player_update( &localplayer );
 236    }
 237 }
 238
 239 VG_STATIC void vg_update_post(void)
 240 {
 241    if( vg.is_loaded )
 242    {
 243 #if 0
 244       if( gzoomer.inside )
 245       {
 246          vehicle_camera();
 247       }
 248       else
 249       {
 250          player_update_post();
 251       }
 252 #endif
 253
 254       player_post_update( &localplayer );
 255
 256 #if 0
 257       menu_update();
 258       vehicle_update_post();
 259 #endif
 260    }
 261 }
 262
 263 VG_STATIC void vg_framebuffer_resize( int w, int h )
 264 {
 265    render_fb_resize();
 266 }
 267
 268 VG_STATIC void present_view_with_post_processing(void)
 269 {
 270    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 271
 272    glEnable(GL_BLEND);
 273    glDisable(GL_DEPTH_TEST);
 274    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 275    glBlendEquation(GL_FUNC_ADD);
 276
 277    if( cl_blur )
 278    {
 279       shader_blitblur_use();
 280       shader_blitblur_uTexMain( 0 );
 281       shader_blitblur_uTexMotion( 1 );
 282       shader_blitblur_uBlurStrength(cl_blur_strength / (vg.frame_delta*60.0f));
 283
 284       v2f menu_blurring;
 285       //v2_muls( (v2f){ 0.04f, 0.001f }, menu_opacity, menu_blurring );
 286       v2_muls( (v2f){ 0.04f, 0.001f }, 0.0f, menu_blurring );
 287       shader_blitblur_uOverrideDir( menu_blurring );
 288
 289       if( cl_view_id == 0 )
 290          render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 291       else if( cl_view_id == 1 )
 292          render_fb_bind_texture( gpipeline.fb_main, 1, 0 );
 293       else
 294          render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 295
 296       render_fb_bind_texture( gpipeline.fb_main, 1, 1 );
 297    }
 298    else
 299    {
 300       shader_blit_use();
 301       shader_blit_uTexMain( 0 );
 302       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 303    }
 304
 305    render_fsquad();
 306 }
 307
 308 VG_STATIC void render_player_transparent(void)
 309 {
 310    static camera small_cam;      /* DOES NOT NEED TO BE STATIC BUT MINGW
 311                                     SAIS OTHERWISE */
 312
 313    m4x3_copy( main_camera.transform, small_cam.transform );
 314
 315    small_cam.fov = main_camera.fov;
 316    small_cam.nearz = 0.05f;
 317    small_cam.farz  = 60.0f;
 318
 319    camera_update_view( &small_cam );
 320    camera_update_projection( &small_cam );
 321    camera_finalize( &small_cam );
 322
 323    /* Draw player to window buffer and blend background ontop */
 324
 325    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 326 #if 0
 327    draw_player( &small_cam );
 328 #endif
 329 }
 330
 331 VG_STATIC void render_scene(void)
 332 {
 333    render_fb_bind( gpipeline.fb_main );
 334    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 335    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 336
 337    /* Draw world */
 338    glEnable( GL_DEPTH_TEST );
 339
 340    render_world( &main_camera );
 341
 342 #if 0
 343    int player_transparent = !(player.is_dead || freecam),
 344        player_draw        = !cl_menu;
 345
 346    if( !player_transparent && player_draw )
 347       draw_player( &main_camera );
 348 #endif
 349
 350    render_water_texture( &main_camera );
 351    render_fb_bind( gpipeline.fb_main );
 352    render_water_surface( &main_camera );
 353    render_world_gates( &main_camera );
 354
 355 #if 0
 356    if( player_transparent && player_draw )
 357       render_player_transparent();
 358 #endif
 359 }
 360
 361 VG_STATIC void render_menu(void)
 362 {
 363    glClear( GL_DEPTH_BUFFER_BIT );
 364 #if 0
 365    menu_render( &main_camera );
 366 #endif
 367 }
 368
 369 VG_STATIC void render_main_game(void)
 370 {
 371 #if 0
 372    static float fov = 60.0f;
 373    float fov_target = vg_lerpf( 90.0f, 110.0f, cl_fov );
 374
 375    if( player.controller == k_player_controller_skate )
 376       fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov );
 377
 378    if( cl_menu )
 379       fov_target = menu_fov_target;
 380    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 381    fov = freecam? 60.0f: fov;
 382
 383    main_camera.fov   = fov;
 384 #endif
 385
 386    /* copy camera from player.
 387     * TODO: blend with camera from menu */
 388
 389    v3_copy( localplayer.cam.pos, main_camera.pos );
 390    v3_copy( localplayer.cam.angles, main_camera.angles );
 391    main_camera.fov = localplayer.cam.fov;
 392    main_camera.nearz = 0.1f;
 393    main_camera.farz  = 2100.0f;
 394
 395    camera_update_transform( &main_camera );
 396    camera_update_view( &main_camera );
 397    camera_update_projection( &main_camera );
 398    camera_finalize( &main_camera );
 399
 400    /* ========== Begin Frame ========== */
 401
 402    render_scene();
 403    present_view_with_post_processing();
 404
 405 #if 0
 406    if( cl_menu )
 407    {
 408       render_menu();
 409       render_player_transparent();
 410    }
 411 #endif
 412
 413    /* =========== End Frame =========== */
 414 }
 415
 416 VG_STATIC void vg_render(void)
 417 {
 418    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 419
 420    glViewport( 0,0, vg.window_x, vg.window_y );
 421    glDisable( GL_DEPTH_TEST );
 422
 423    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 424    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 425
 426    render_main_game();
 427
 428    /* Other shite */
 429    glDisable(GL_BLEND);
 430    glDisable( GL_DEPTH_TEST );
 431    vg_lines_drawall( (float *)main_camera.mtx.pv );
 432    glViewport( 0,0, vg.window_x, vg.window_y );
 433 }
 434
 435 VG_STATIC void run_light_widget( struct light_widget *lw );
 436 VG_STATIC void vg_ui(void)
 437 {
 438    player_ui( &localplayer );
 439
 440 #if 0
 441    menu_crap_ui();
 442 #endif
 443
 444    if( cl_light_edit )
 445    {
 446       vg_uictx.cursor[0] = 10;
 447       vg_uictx.cursor[1] = 10;
 448       vg_uictx.cursor[2] = 200;
 449       vg_uictx.cursor[3] = 20;
 450
 451       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 452       struct ui_slider_vector
 453          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 454
 455       struct ui_slider
 456          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 457          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 458
 459       for( int i=0; i<3; i++ )
 460          run_light_widget( &gpipeline.widgets[i] );
 461
 462       ui_text( vg_uictx.cursor, "Ambient", 1, 0 );
 463       vg_uictx.cursor[1] += 16;
 464       ui_slider_vector( &s5 );
 465
 466       ui_text( vg_uictx.cursor, "Shadows", 1, 0 );
 467       vg_uictx.cursor[1] += 16;
 468       ui_slider( &s8 );
 469       ui_slider( &s9 );
 470
 471       ui_text( vg_uictx.cursor, "Misc", 1, 0 );
 472       vg_uictx.cursor[1] += 16;
 473       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 474       ui_checkbox( &c1 );
 475
 476       render_update_lighting_ub();
 477    }
 478
 479    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 480    if( cl_ui )
 481    {
 482       render_world_routes_ui();
 483    }
 484    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 485
 486    audio_debug_soundscapes();
 487    render_view_framebuffer_ui();
 488
 489 #if 0
 490    player_physics_gui();
 491 #endif
 492 }
 493
 494 VG_STATIC void run_light_widget( struct light_widget *lw )
 495 {
 496    struct ui_checkbox c1 = { .data=&lw->enabled };
 497
 498    ui_checkbox( &c1 );
 499
 500    if( lw->enabled )
 501    {
 502       struct ui_slider_vector
 503          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 504          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 505
 506       ui_slider_vector( &colour );
 507       vg_uictx.cursor[1] += 4;
 508       ui_slider_vector( &dir );
 509    }
 510 }
 511
 512 VG_STATIC void run_debug_info(void)
 513 {
 514 #if 0
 515    char buf[40];
 516
 517    snprintf( buf, 40, "%.2fm/s", v3_length( player.rb.v ) );
 518    ui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 519
 520    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 521          player.phys.a[0], player.phys.a[1], player.phys.a[2] );
 522    ui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 523
 524    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 525          player.phys.rb.co[0], player.phys.rb.co[1], player.phys.rb.co[2] );
 526    ui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 527
 528    if( vg_input.controller_handle )
 529    {
 530       for( int i=0; i<vg_list_size(vg_input.controller_axises); i++ )
 531       {
 532          snprintf( buf, 40, "%.2f", vg_input.controller_axises[i] );
 533          ui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 534       }
 535    }
 536    else
 537    {
 538       ui_text( (ui_px [2]){ 0, 60 },
 539             "Gamepad not ready", 1, k_text_align_left );
 540    }
 541 #endif
 542 }