skaterift.c

   1 /*
   2  * =============================================================================
   3  *
   4  * Copyright  .        . .       -----, ,----- ,---.   .---.
   5  * 2021-2022  |\      /| |           /  |      |    | |    /|
   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 #include "player.h"
  22 #include "network.h"
  23 #include "menu.h"
  24
  25 static int cl_ui      = 1,
  26            cl_view_id = 0;
  27
  28 int main( int argc, char *argv[] )
  29 {
  30    vg_mem.use_libc_malloc = 0;
  31    vg_set_mem_quota( 128*1024*1024 );
  32    vg_enter( argc, argv, "Voyager Game Engine" );
  33
  34    return 0;
  35 }
  36
  37 VG_STATIC void highscores_save_at_exit(void)
  38 {
  39    highscores_serialize_all();
  40 }
  41
  42 VG_STATIC void vg_launch_opt(void)
  43 {
  44
  45 }
  46
  47 VG_STATIC void vg_preload(void)
  48 {
  49    g_conf_init();
  50
  51    vg_convar_push( (struct vg_convar){
  52       .name = "cl_ui",
  53       .data = &cl_ui,
  54       .data_type = k_convar_dtype_i32,
  55       .opt_i32 = { .min=0, .max=1, .clamp=1 },
  56       .persistent = 0
  57    });
  58
  59    vg_convar_push( (struct vg_convar){
  60       .name = "cl_view_id",
  61       .data = &cl_view_id,
  62       .data_type = k_convar_dtype_i32,
  63       .opt_i32 = { .min=0, .max=1, .clamp=1 },
  64       .persistent = 0
  65    });
  66
  67 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
  68 vg_info(" 2021-2022  |\\      /| |           /  |      |    | |    /| \n" );
  69 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
  70 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
  71 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
  72 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
  73         "SOFTWARE\n" );
  74
  75    highscores_init( 2000, 50 );
  76    if( !highscores_read() )
  77       highscores_create_db();
  78
  79    vg_loader_step( NULL, highscores_save_at_exit );
  80
  81    steam_init();
  82    vg_loader_step( NULL, steam_end );
  83    vg_loader_step( network_init, network_end );
  84 }
  85
  86 VG_STATIC void vg_load(void)
  87 {
  88    vg_loader_step( render_init, NULL );
  89    vg_loader_step( menu_init, NULL );
  90    vg_loader_step( world_init, NULL );
  91    vg_loader_step( player_init, NULL );
  92
  93    vg_bake_shaders();
  94    vg_loader_step( audio_init, audio_free );
  95    world_audio_init();
  96
  97    /* 'systems' are completely loaded now */
  98    strcpy( world.world_name, "maps/mp_mtzero.mdl" );
  99    //strcpy( world.world_name, "maps/mp_gridmap.mdl" );
 100    world_load();
 101    vg_console_load_autos();
 102 }
 103
 104 VG_STATIC void vg_start(void)
 105 {
 106    reset_player( 1, (const char *[]){ "start" } );
 107 }
 108
 109 VG_STATIC void draw_origin_axis(void)
 110 {
 111    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 112    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 113    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 114 }
 115
 116 VG_STATIC void vg_update(void)
 117 {
 118    steam_update();
 119
 120    if( vg.is_loaded )
 121    {
 122       draw_origin_axis();
 123       network_update();
 124
 125       player_update_pre();
 126       world_update( player.phys.rb.co );
 127    }
 128 }
 129
 130 VG_STATIC void vg_update_fixed(void)
 131 {
 132    if( vg.is_loaded )
 133    {
 134       player_update_fixed();
 135    }
 136 }
 137
 138 VG_STATIC void vg_update_post(void)
 139 {
 140    if( vg.is_loaded )
 141    {
 142       player_update_post();
 143       menu_update();
 144    }
 145 }
 146
 147 VG_STATIC void vg_framebuffer_resize( int w, int h )
 148 {
 149    render_fb_resize();
 150 }
 151
 152 VG_STATIC void present_view_with_post_processing(void)
 153 {
 154    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 155
 156    glEnable(GL_BLEND);
 157    glDisable(GL_DEPTH_TEST);
 158    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 159    glBlendEquation(GL_FUNC_ADD);
 160
 161    if( cl_blur )
 162    {
 163       shader_blitblur_use();
 164       shader_blitblur_uTexMain( 0 );
 165       shader_blitblur_uTexMotion( 1 );
 166       shader_blitblur_uBlurStrength(cl_blur_strength / (vg.frame_delta*60.0f));
 167
 168       v2f menu_blurring;
 169       v2_muls( (v2f){ 0.04f, 0.001f }, menu_opacity, menu_blurring );
 170       shader_blitblur_uOverrideDir( menu_blurring );
 171
 172       if( cl_view_id == 0 )
 173          render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 174       else if( cl_view_id == 1 )
 175          render_fb_bind_texture( gpipeline.fb_main, 1, 0 );
 176       else
 177          render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 178
 179       render_fb_bind_texture( gpipeline.fb_main, 1, 1 );
 180    }
 181    else
 182    {
 183       shader_blit_use();
 184       shader_blit_uTexMain( 0 );
 185       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 186    }
 187
 188    render_fsquad();
 189 }
 190
 191 VG_STATIC void render_player_transparent(void)
 192 {
 193    camera small_cam;
 194    m4x3_copy( main_camera.transform, small_cam.transform );
 195
 196    small_cam.fov = main_camera.fov;
 197    small_cam.nearz = 0.05f;
 198    small_cam.farz  = 60.0f;
 199
 200    camera_update_view( &small_cam );
 201    camera_update_projection( &small_cam );
 202    camera_finalize( &small_cam );
 203
 204    /* Draw player to window buffer and blend background ontop */
 205
 206    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 207    draw_player( &small_cam );
 208 }
 209
 210 VG_STATIC void render_scene(void)
 211 {
 212    render_fb_bind( gpipeline.fb_main );
 213    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 214    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 215
 216    /* Draw world */
 217    glEnable( GL_DEPTH_TEST );
 218
 219    render_world( &main_camera );
 220
 221    int player_transparent = !(player.is_dead || freecam),
 222        player_draw        = !cl_menu;
 223
 224    if( !player_transparent && player_draw )
 225       draw_player( &main_camera );
 226
 227    render_water_texture( &main_camera );
 228    render_fb_bind( gpipeline.fb_main );
 229    render_water_surface( &main_camera );
 230    render_world_gates( &main_camera );
 231
 232    if( player_transparent && player_draw )
 233       render_player_transparent();
 234 }
 235
 236 VG_STATIC void render_menu(void)
 237 {
 238    glClear( GL_DEPTH_BUFFER_BIT );
 239    menu_render( &main_camera );
 240 }
 241
 242 VG_STATIC void render_main_game(void)
 243 {
 244    static float fov = 60.0f;
 245    float fov_target = vg_lerpf( 90.0f, 110.0f, cl_fov );
 246    if( player.phys.on_board )
 247       fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov );
 248    if( cl_menu )
 249       fov_target = menu_fov_target;
 250    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 251    fov = freecam? 60.0f: fov;
 252
 253    main_camera.fov   = fov;
 254    main_camera.nearz = 0.1f;
 255    main_camera.farz  = 2100.0f;
 256
 257    camera_update_view( &main_camera );
 258    camera_update_projection( &main_camera );
 259    camera_finalize( &main_camera );
 260
 261    /* ========== Begin Frame ========== */
 262
 263    render_scene();
 264    present_view_with_post_processing();
 265
 266    if( cl_menu )
 267    {
 268       render_menu();
 269       render_player_transparent();
 270    }
 271
 272    /* =========== End Frame =========== */
 273 }
 274
 275 VG_STATIC void vg_render(void)
 276 {
 277    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 278
 279    glViewport( 0,0, vg.window_x, vg.window_y );
 280    glDisable( GL_DEPTH_TEST );
 281
 282    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 283    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 284
 285    render_main_game();
 286
 287    /* Other shite */
 288    glDisable(GL_BLEND);
 289    glDisable( GL_DEPTH_TEST );
 290    vg_lines_drawall( (float *)main_camera.mtx.pv );
 291    glViewport( 0,0, vg.window_x, vg.window_y );
 292 }
 293
 294 VG_STATIC void vg_ui(void)
 295 {
 296    menu_crap_ui();
 297
 298 #if 0
 299    if( lightedit )
 300    {
 301       ui_global_ctx.cursor[0] = 10;
 302       ui_global_ctx.cursor[1] = 10;
 303       ui_global_ctx.cursor[2] = 200;
 304       ui_global_ctx.cursor[3] = 20;
 305
 306       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 307       struct ui_slider_vector
 308          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 309
 310       struct ui_slider
 311          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 312          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 313
 314       for( int i=0; i<3; i++ )
 315          run_light_widget( &gpipeline.widgets[i] );
 316
 317       gui_text( ui_global_ctx.cursor, "Ambient", 1, 0 );
 318       ui_global_ctx.cursor[1] += 16;
 319       ui_slider_vector( &ui_global_ctx, &s5 );
 320
 321       gui_text( ui_global_ctx.cursor, "Shadows", 1, 0 );
 322       ui_global_ctx.cursor[1] += 16;
 323       ui_slider( &ui_global_ctx, &s8 );
 324       ui_slider( &ui_global_ctx, &s9 );
 325
 326       gui_text( ui_global_ctx.cursor, "Misc", 1, 0 );
 327       ui_global_ctx.cursor[1] += 16;
 328       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 329       ui_checkbox( &ui_global_ctx, &c1 );
 330
 331       render_update_lighting_ub();
 332    }
 333 #endif
 334
 335    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 336    if( cl_ui )
 337    {
 338       render_world_routes_ui();
 339    }
 340    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 341
 342    audio_debug_soundscapes();
 343    render_view_framebuffer_ui();
 344 }
 345
 346 #if 0
 347 VG_STATIC void run_light_widget( struct light_widget *lw )
 348 {
 349    struct ui_checkbox c1 = { .data=&lw->enabled };
 350
 351    ui_checkbox( &ui_global_ctx, &c1 );
 352
 353    if( lw->enabled )
 354    {
 355       struct ui_slider_vector
 356          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 357          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 358
 359       ui_slider_vector( &ui_global_ctx, &colour );
 360       ui_global_ctx.cursor[1] += 4;
 361       ui_slider_vector( &ui_global_ctx, &dir );
 362    }
 363 }
 364 #endif
 365
 366 VG_STATIC void run_debug_info(void)
 367 {
 368    char buf[40];
 369
 370    snprintf( buf, 40, "%.2fm/s", v3_length( player.phys.rb.v ) );
 371    ui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 372
 373    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 374          player.phys.a[0], player.phys.a[1], player.phys.a[2] );
 375    ui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 376
 377    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 378          player.phys.rb.co[0], player.phys.rb.co[1], player.phys.rb.co[2] );
 379    ui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 380
 381    if( vg_input.controller_handle )
 382    {
 383       for( int i=0; i<vg_list_size(vg_input.controller_axises); i++ )
 384       {
 385          snprintf( buf, 40, "%.2f", vg_input.controller_axises[i] );
 386          ui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 387       }
 388    }
 389    else
 390    {
 391       ui_text( (ui_px [2]){ 0, 60 },
 392             "Gamepad not ready", 1, k_text_align_left );
 393    }
 394 }