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
  24
  25 #include "player.h"
  26 static player_instance localplayer;
  27 VG_STATIC struct player_avatar localplayer_avatar;
  28 VG_STATIC glmesh localplayer_meshes[3];
  29 vg_tex2d localplayer_texture = { .path = "textures/ch_gradient.qoi" };
  30
  31 player_instance *tmp_localplayer(void)
  32 {
  33    return &localplayer;
  34 }
  35
  36 #include "network.h"
  37 #include "menu.h"
  38 #include "vehicle.h"
  39
  40 static int cl_ui      = 1,
  41            cl_light_edit = 0;
  42
  43 int main( int argc, char *argv[] )
  44 {
  45    vg_mem.use_libc_malloc = 0;
  46    vg_set_mem_quota( 160*1024*1024 );
  47    vg_enter( argc, argv, "Voyager Game Engine" );
  48
  49    return 0;
  50 }
  51
  52 VG_STATIC void highscores_save_at_exit(void)
  53 {
  54    highscores_serialize_all();
  55 }
  56
  57 VG_STATIC void vg_launch_opt(void)
  58 {
  59
  60 }
  61
  62 VG_STATIC int __kill( int argc, const char *argv[] )
  63 {
  64 #if 0
  65    player_use_device( &localplayer, &player_device_dead, &localplayer_dead );
  66 #endif
  67    return 0;
  68 }
  69
  70 VG_STATIC int __respawn( int argc, const char *argv[] )
  71 {
  72    ent_spawn *rp = NULL, *r;
  73    world_instance *world = get_active_world();
  74
  75    if( argc == 1 ){
  76       for( u32 i=0; i<mdl_arrcount(&world->ent_spawn); i++ ){
  77          r = mdl_arritm( &world->ent_spawn, i );
  78          if( !strcmp( mdl_pstr(&world->meta, r->pstr_name),argv[0] ) ){
  79             rp = r;
  80             break;
  81          }
  82       }
  83
  84       if( !rp )
  85          vg_warn( "No spawn named '%s'\n", argv[0] );
  86    }
  87
  88    if( !rp ){
  89       float min_dist = INFINITY;
  90
  91       for( u32 i=0; i<mdl_arrcount(&world->ent_spawn); i++ ){
  92          r = mdl_arritm( &world->ent_spawn, i );
  93          float d = v3_dist2( r->transform.co, localplayer.rb.co );
  94
  95          if( d < min_dist ){
  96             min_dist = d;
  97             rp = r;
  98          }
  99       }
 100    }
 101
 102    if( !rp ){
 103       vg_error( "No spawn found\n" );
 104
 105       if( !mdl_arrcount(&world->ent_spawn) )
 106          return 0;
 107
 108       rp = mdl_arritm( &world->ent_spawn, 0 );
 109    }
 110
 111    player__spawn( &localplayer, rp );
 112    return 1;
 113 }
 114
 115 VG_STATIC void vg_preload(void)
 116 {
 117    g_conf_init();
 118
 119    common_var_temp();
 120
 121    vg_var_push( (struct vg_var){
 122       .name = "cl_ui",
 123       .data = &cl_ui,
 124       .data_type = k_var_dtype_i32,
 125       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 126       .persistent = 0
 127    });
 128
 129    vg_var_push( (struct vg_var){
 130       .name = "ledit",
 131       .data = &cl_light_edit,
 132       .data_type = k_var_dtype_i32,
 133       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 134       .persistent = 0
 135    });
 136
 137    vg_function_push( (struct vg_cmd) {
 138       .name = "respawn",
 139       .function = __respawn,
 140       //.poll_suggest = reset_player_poll
 141    });
 142
 143    vg_function_push( (struct vg_cmd) {
 144       .name = "ded",
 145       .function = __kill,
 146       //.poll_suggest = reset_player_poll
 147    });
 148
 149 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
 150 vg_info(" 2021-2022  |\\      /| |           /  |      |    | |    /| \n" );
 151 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
 152 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
 153 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
 154 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
 155         "SOFTWARE\n" );
 156
 157    highscores_init( 2000, 50 );
 158    if( !highscores_read() )
 159       highscores_create_db();
 160
 161    vg_loader_step( NULL, highscores_save_at_exit );
 162
 163    steam_init();
 164    vg_loader_step( NULL, steam_end );
 165    vg_loader_step( network_init, network_end );
 166 }
 167
 168 VG_STATIC void load_playermodels(void)
 169 {
 170    vg_linear_clear( vg_mem.scratch );
 171
 172    /*
 173     * load in other player models. This may need to be more sophisticated in
 174     * the futre if we have more of these guys
 175     */
 176    mdl_context ctx_default,
 177                ctx_outlaw,
 178                ctx_jordan;
 179
 180    mdl_open( &ctx_default, "models/ch_new.mdl", vg_mem.scratch );
 181    mdl_load_metadata_block( &ctx_default, vg_mem.scratch );
 182    mdl_load_mesh_block( &ctx_default, vg_mem.scratch );
 183    mdl_close( &ctx_default );
 184
 185    mdl_open( &ctx_outlaw, "models/ch_outlaw.mdl", vg_mem.scratch );
 186    mdl_load_metadata_block( &ctx_outlaw, vg_mem.scratch );
 187    mdl_load_mesh_block( &ctx_outlaw, vg_mem.scratch );
 188    mdl_close( &ctx_outlaw );
 189
 190    mdl_open( &ctx_jordan, "models/ch_jordan.mdl", vg_mem.scratch );
 191    mdl_load_metadata_block( &ctx_jordan, vg_mem.scratch );
 192    mdl_load_mesh_block( &ctx_jordan, vg_mem.scratch );
 193    mdl_close( &ctx_jordan );
 194
 195    vg_acquire_thread_sync();
 196    {
 197       mdl_unpack_glmesh( &ctx_default, &localplayer_meshes[0] );
 198       mdl_unpack_glmesh( &ctx_outlaw,  &localplayer_meshes[1] );
 199       mdl_unpack_glmesh( &ctx_jordan,  &localplayer_meshes[2] );
 200    }
 201    vg_release_thread_sync();
 202
 203    /* FIXME: hack */
 204    shader_model_character_view_register();
 205    vg_acquire_thread_sync();
 206    {
 207       vg_tex2d_init( (vg_tex2d *[]){ &localplayer_texture }, 1 );
 208    }
 209    vg_release_thread_sync();
 210 }
 211
 212 void temp_update_playermodel(void){
 213    player__use_mesh( &localplayer, &localplayer_meshes[cl_playermdl_id] );
 214 }
 215
 216 VG_STATIC void vg_load(void)
 217 {
 218    vg_loader_step( render_init, NULL );
 219    vg_loader_step( menu_init, NULL );
 220    vg_loader_step( world_init, NULL );
 221    vg_loader_step( font3d_init, NULL );
 222
 223    font3d_load( &world_global.font, "models/rs_font.mdl", vg_mem.rtmemory );
 224
 225    //vg_loader_step( player_init, NULL );
 226    //vg_loader_step( vehicle_init, NULL );
 227    //
 228    //vg_loader_step( player_model_init, NULL );
 229
 230    /* ----------------- */
 231    vg_loader_step( load_playermodels, NULL );
 232
 233    /* player setup */
 234    player__create( &localplayer );
 235    player_avatar_load( &localplayer_avatar, "models/ch_new.mdl" );
 236    player__use_avatar( &localplayer, &localplayer_avatar );
 237    player__use_mesh( &localplayer, &localplayer_meshes[cl_playermdl_id] );
 238    player__use_texture( &localplayer, &localplayer_texture );
 239    player__bind( &localplayer );
 240
 241    /* --------------------- */
 242
 243    vg_bake_shaders();
 244    vg_loader_step( audio_init, audio_free );
 245
 246    /* 'systems' are completely loaded now */
 247
 248    /* load home world */
 249    world_load( &world_global.worlds[0], "maps/mp_gridmap.mdl" );
 250    //world_load( &world_global.worlds[0], "maps/mp_mtzero.mdl" );
 251
 252 #if 0
 253    world_load( &world_global.worlds[1], "maps/mp_gridmap.mdl" );
 254    world_link_nonlocal_gates( 0, 1 );
 255    world_load( &world_global.worlds[2], "maps/mp_mtzero.mdl" );
 256    world_link_nonlocal_gates( 0, 2 );
 257 #endif
 258
 259    vg_console_load_autos();
 260 }
 261
 262 VG_STATIC void vg_start(void)
 263 {
 264    __respawn( 1, (const char *[]){ "start" } );
 265 }
 266
 267 VG_STATIC void draw_origin_axis(void)
 268 {
 269    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 270    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 271    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 272 }
 273
 274 VG_STATIC void vg_update(void)
 275 {
 276    steam_update();
 277
 278    if( vg.is_loaded ){
 279       draw_origin_axis();
 280       network_update();
 281
 282 #if 0
 283       if( !gzoomer.inside )
 284          player_update_pre();
 285 #endif
 286
 287       player__pre_update( &localplayer );
 288       world_update( get_active_world(), localplayer.rb.co );
 289       audio_ambient_sprites_update( get_active_world(), localplayer.rb.co );
 290    }
 291 }
 292
 293 VG_STATIC void vg_update_fixed(void)
 294 {
 295    if( vg.is_loaded ){
 296 #if 0
 297       if( !gzoomer.inside )
 298          player_update_fixed();
 299
 300       vehicle_update_fixed();
 301 #endif
 302       world_routes_fixedupdate( get_active_world() );
 303       player__update( &localplayer );
 304    }
 305 }
 306
 307 VG_STATIC void vg_update_post(void)
 308 {
 309    if( vg.is_loaded )
 310    {
 311 #if 0
 312       if( gzoomer.inside )
 313       {
 314          vehicle_camera();
 315       }
 316       else
 317       {
 318          player_update_post();
 319       }
 320 #endif
 321
 322       player__post_update( &localplayer );
 323
 324
 325       float inr3 = 0.57735027,
 326             inr2 = 0.70710678118;
 327
 328       v3f sample_directions[] = {
 329          { -1.0f,  0.0f,  0.0f },
 330          {  1.0f,  0.0f,  0.0f },
 331          {  0.0f,  0.0f,  1.0f },
 332          {  0.0f,  0.0f, -1.0f },
 333          {  0.0f,  1.0f,  0.0f },
 334          {  0.0f, -1.0f,  0.0f },
 335          { -inr3,  inr3,  inr3 },
 336          {  inr3,  inr3,  inr3 },
 337          { -inr3,  inr3, -inr3 },
 338          {  inr3,  inr3, -inr3 },
 339          { -inr2,  0.0f,  inr2 },
 340          {  inr2,  0.0f,  inr2 },
 341          { -inr2,  0.0f, -inr2 },
 342          {  inr2,  0.0f, -inr2 },
 343       };
 344
 345       static int si = 0;
 346       static float distances[16];
 347
 348       ray_hit ray;
 349       ray.dist = 5.0f;
 350
 351       v3f rc, rd, ro;
 352       v3_copy( sample_directions[ si ], rd );
 353       v3_add( localplayer.rb.co, (v3f){0.0f,1.5f,0.0f}, ro );
 354       v3_copy( ro, rc );
 355
 356       float dist = 200.0f;
 357
 358       for( int i=0; i<10; i++ ){
 359          if( ray_world( get_active_world(), rc, rd, &ray ) ){
 360             dist = (float)i*5.0f + ray.dist;
 361             break;
 362          }
 363          else{
 364             v3_muladds( rc, rd, ray.dist, rc );
 365          }
 366       }
 367
 368       distances[si] = dist;
 369
 370
 371       for( int i=0; i<14; i++ ){
 372          if( distances[i] != 200.0f ){
 373             u32 colours[] = { VG__RED, VG__BLUE, VG__GREEN,
 374                               VG__CYAN, VG__YELOW, VG__PINK,
 375                               VG__WHITE };
 376
 377             u32 colour = colours[i%7];
 378
 379             v3f p1;
 380             v3_muladds( ro, sample_directions[i], distances[i], p1 );
 381             vg_line( ro, p1, colour );
 382             vg_line_pt3( p1, 0.1f, colour );
 383          }
 384       }
 385
 386       si ++;
 387       if( si >= 14 )
 388          si = 0;
 389
 390
 391       /* FIXME: TEMP */
 392       audio_lock();
 393       vg_dsp.echo_distances[si] = dist;
 394
 395       v3f ears = { 1.0f,0.0f,0.0f };
 396       m3x3_mulv( main_camera.transform, ears, ears );
 397       v3_copy( ears, vg_audio.external_listener_ears );
 398       v3_copy( main_camera.transform[3], vg_audio.external_listener_pos );
 399
 400       /* TODO: this is transformed back and fourth twice. */
 401       if( localplayer.gate_waiting ){
 402          m4x3_mulv( localplayer.gate_waiting->transport,
 403                     vg_audio.external_listener_pos,
 404                     vg_audio.external_listener_pos );
 405       }
 406
 407       v3_copy( localplayer.rb.v, vg_audio.external_lister_velocity );
 408       audio_unlock();
 409
 410       menu_update();
 411 #if 0
 412       vehicle_update_post();
 413 #endif
 414    }
 415 }
 416
 417 VG_STATIC void vg_framebuffer_resize( int w, int h )
 418 {
 419    render_fb_resize();
 420 }
 421
 422 VG_STATIC void present_view_with_post_processing(void)
 423 {
 424    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 425    glViewport( 0,0, vg.window_x, vg.window_y );
 426
 427    glEnable(GL_BLEND);
 428    glDisable(GL_DEPTH_TEST);
 429    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 430    glBlendEquation(GL_FUNC_ADD);
 431
 432    v2f inverse;
 433    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 434
 435    if( cl_blur ){
 436       shader_blitblur_use();
 437       shader_blitblur_uTexMain( 0 );
 438       shader_blitblur_uTexMotion( 1 );
 439       shader_blitblur_uBlurStrength(cl_blur_strength / (vg.frame_delta*60.0f));
 440       shader_blitblur_uInverseRatio( inverse );
 441
 442       v2f menu_blurring;
 443       v2_muls( (v2f){ 0.04f, 0.001f }, menu_opacity, menu_blurring );
 444       shader_blitblur_uOverrideDir( menu_blurring );
 445
 446       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 447       render_fb_bind_texture( gpipeline.fb_main, 1, 1 );
 448    }
 449    else{
 450       shader_blit_use();
 451       shader_blit_uTexMain( 0 );
 452       shader_blit_uInverseRatio( inverse );
 453       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 454    }
 455
 456    render_fsquad();
 457 }
 458
 459 VG_STATIC void render_player_transparent(void)
 460 {
 461    static camera small_cam;      /* DOES NOT NEED TO BE STATIC BUT MINGW
 462                                     SAIS OTHERWISE */
 463
 464    m4x3_copy( main_camera.transform, small_cam.transform );
 465
 466    small_cam.fov = main_camera.fov;
 467    small_cam.nearz = 0.05f;
 468    small_cam.farz  = 60.0f;
 469
 470    camera_update_view( &small_cam );
 471    camera_update_projection( &small_cam );
 472    camera_finalize( &small_cam );
 473
 474    /* Draw player to window buffer and blend background ontop */
 475    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 476    glViewport( 0,0, vg.window_x, vg.window_y );
 477    player__render( &small_cam, &localplayer );
 478 }
 479
 480 VG_STATIC void render_scene(void)
 481 {
 482    render_fb_bind( gpipeline.fb_main, 1 );
 483    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 484    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
 485
 486    /* Draw world */
 487    glEnable( GL_DEPTH_TEST );
 488
 489    world_instance *view_world = localplayer.viewable_world;
 490
 491    if( view_world == NULL ){
 492       glClearColor( 0.25f, 0.25f, 0.0f, 1.0f );
 493       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT );
 494       return;
 495    }
 496
 497    render_world( view_world, &main_camera, 0 );
 498
 499    render_water_texture( view_world, &main_camera, 0 );
 500    render_fb_bind( gpipeline.fb_main, 1 );
 501    render_water_surface( view_world, &main_camera );
 502
 503    int depth = 1;
 504    if( localplayer.gate_waiting ) depth = 0;
 505    render_world_gates( view_world, &main_camera, depth );
 506
 507    if( !cl_menu )
 508       render_player_transparent();
 509 }
 510
 511 VG_STATIC void render_main_game(void)
 512 {
 513 #if 0
 514    static float fov = 60.0f;
 515    float fov_target = vg_lerpf( 90.0f, 110.0f, cl_fov );
 516
 517    if( player.controller == k_player_controller_skate )
 518       fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov );
 519
 520    if( cl_menu )
 521       fov_target = menu_fov_target;
 522    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 523    fov = freecam? 60.0f: fov;
 524
 525    main_camera.fov   = fov;
 526 #endif
 527
 528    player__pre_render( &localplayer );
 529
 530    v3_lerp( localplayer.cam.pos, menu_camera_pos, menu_opacity,
 531             main_camera.pos );
 532    main_camera.angles[0] =
 533       vg_alerpf(  localplayer.cam.angles[0], menu_camera_angles[0],
 534                   menu_opacity );
 535    main_camera.angles[1] =
 536       vg_lerpf ( localplayer.cam.angles[1], menu_camera_angles[1],
 537                  menu_opacity );
 538
 539    main_camera.fov = vg_lerpf( localplayer.cam.fov, menu_smooth_fov,
 540                                menu_opacity );
 541    main_camera.nearz = 0.1f;
 542    main_camera.farz  = 2100.0f;
 543
 544    camera_update_transform( &main_camera );
 545
 546    if( localplayer.gate_waiting ){
 547       m3x3_mul( localplayer.basis_gate, main_camera.transform,
 548                 main_camera.transform );
 549    }
 550    else{
 551       m3x3_mul( localplayer.basis, main_camera.transform,
 552                 main_camera.transform );
 553    }
 554
 555    camera_update_view( &main_camera );
 556    camera_update_projection( &main_camera );
 557    camera_finalize( &main_camera );
 558
 559    /* ========== Begin Frame ========== */
 560
 561    render_scene();
 562
 563    if( cl_menu ) {
 564       glClear( GL_DEPTH_BUFFER_BIT );
 565       menu_render_bg();
 566       glEnable( GL_DEPTH_TEST );
 567       render_player_transparent();
 568    }
 569
 570    present_view_with_post_processing();
 571
 572    if( cl_menu )
 573       menu_render_fg( &main_camera );
 574
 575    /* =========== End Frame =========== */
 576 }
 577
 578 VG_STATIC void vg_render(void)
 579 {
 580    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 581
 582    glViewport( 0,0, vg.window_x, vg.window_y );
 583    glDisable( GL_DEPTH_TEST );
 584
 585    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 586    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 587
 588    render_main_game();
 589
 590    m4x4_copy( main_camera.mtx.pv, vg.pv );
 591
 592    /* Other shite */
 593    glDisable(GL_BLEND);
 594    glDisable(GL_DEPTH_TEST);
 595    vg_lines_drawall();
 596    glViewport( 0,0, vg.window_x, vg.window_y );
 597 }
 598
 599 VG_STATIC void vg_ui(void)
 600 {
 601 #if 0
 602    player__im_gui( &localplayer );
 603 #endif
 604    world_instance *world = get_active_world();
 605    menu_crap_ui();
 606
 607    render_view_framebuffer_ui();
 608 }