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    water_fb_resize();
 151 }
 152
 153 VG_STATIC void present_view_with_post_processing(void)
 154 {
 155    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 156
 157    glEnable(GL_BLEND);
 158    glDisable(GL_DEPTH_TEST);
 159    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 160    glBlendEquation(GL_FUNC_ADD);
 161
 162    shader_blitblur_use();
 163    shader_blitblur_uTexMain( 0 );
 164    shader_blitblur_uTexMotion( 1 );
 165    shader_blitblur_uBlurStrength( cl_blur_strength );
 166    glActiveTexture( GL_TEXTURE0 );
 167
 168    if( cl_view_id == 0 )
 169       glBindTexture( GL_TEXTURE_2D, gpipeline.rgb_background );
 170    else if( cl_view_id == 1 )
 171       glBindTexture( GL_TEXTURE_2D, gpipeline.mv_background );
 172    else
 173       glBindTexture( GL_TEXTURE_2D, gpipeline.rgb_background );
 174
 175    glActiveTexture( GL_TEXTURE1 );
 176    glBindTexture( GL_TEXTURE_2D, gpipeline.mv_background );
 177
 178    render_fsquad();
 179 }
 180
 181 VG_STATIC void render_scene(void)
 182 {
 183    glBindFramebuffer( GL_FRAMEBUFFER, gpipeline.fb_background );
 184    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 185    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 186
 187    /* Draw world */
 188    glEnable( GL_DEPTH_TEST );
 189
 190    render_world( &main_camera );
 191    render_water_texture( &main_camera );
 192    glBindFramebuffer( GL_FRAMEBUFFER, gpipeline.fb_background );
 193    render_water_surface( &main_camera );
 194    render_world_gates( &main_camera );
 195 }
 196
 197 VG_STATIC void render_menu(void)
 198 {
 199    glClear( GL_DEPTH_BUFFER_BIT );
 200    menu_render( &main_camera );
 201 }
 202
 203 VG_STATIC void render_player_into_world(void)
 204 {
 205    glBindFramebuffer( GL_FRAMEBUFFER, gpipeline.fb_background );
 206    draw_player( &main_camera );
 207 }
 208
 209 VG_STATIC void render_player_transparent(void)
 210 {
 211    camera small_cam;
 212    m4x3_copy( main_camera.transform, small_cam.transform );
 213
 214    small_cam.fov = main_camera.fov;
 215    small_cam.nearz = 0.05f;
 216    small_cam.farz  = 60.0f;
 217
 218    camera_update_view( &small_cam );
 219    camera_update_projection( &small_cam );
 220    camera_finalize( &small_cam );
 221
 222    /* Draw player to window buffer and blend background ontop */
 223
 224    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 225    draw_player( &small_cam );
 226 }
 227
 228 VG_STATIC void render_main_game(void)
 229 {
 230    static float fov = 60.0f;
 231    float fov_target = vg_lerpf( 90.0f, 110.0f, cl_fov );
 232    if( player.phys.on_board )
 233       fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov );
 234    if( cl_menu )
 235       fov_target = menu_fov_target;
 236    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 237    fov = freecam? 60.0f: fov;
 238
 239    main_camera.fov   = fov;
 240    main_camera.nearz = 0.1f;
 241    main_camera.farz  = 2100.0f;
 242
 243    camera_update_view( &main_camera );
 244    camera_update_projection( &main_camera );
 245    camera_finalize( &main_camera );
 246
 247    /* ========== Begin Frame ========== */
 248
 249    render_scene();
 250
 251    if( !cl_menu )
 252    {
 253       if( player.is_dead | freecam )
 254          render_player_into_world();
 255       else
 256          render_player_transparent();
 257    }
 258
 259    present_view_with_post_processing();
 260
 261    if( cl_menu )
 262    {
 263       render_menu();
 264       render_player_transparent();
 265    }
 266
 267    /* =========== End Frame =========== */
 268 }
 269
 270 VG_STATIC void vg_render(void)
 271 {
 272    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 273
 274    glViewport( 0,0, vg.window_x, vg.window_y );
 275    glDisable( GL_DEPTH_TEST );
 276
 277    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 278    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 279
 280    render_main_game();
 281
 282    /* Other shite */
 283    glDisable(GL_BLEND);
 284    glDisable( GL_DEPTH_TEST );
 285    vg_lines_drawall( (float *)main_camera.mtx.pv );
 286    glViewport( 0,0, vg.window_x, vg.window_y );
 287 }
 288
 289 VG_STATIC void vg_ui(void)
 290 {
 291    menu_crap_ui();
 292
 293 #if 0
 294    if( lightedit )
 295    {
 296       ui_global_ctx.cursor[0] = 10;
 297       ui_global_ctx.cursor[1] = 10;
 298       ui_global_ctx.cursor[2] = 200;
 299       ui_global_ctx.cursor[3] = 20;
 300
 301       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 302       struct ui_slider_vector
 303          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 304
 305       struct ui_slider
 306          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 307          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 308
 309       for( int i=0; i<3; i++ )
 310          run_light_widget( &gpipeline.widgets[i] );
 311
 312       gui_text( ui_global_ctx.cursor, "Ambient", 1, 0 );
 313       ui_global_ctx.cursor[1] += 16;
 314       ui_slider_vector( &ui_global_ctx, &s5 );
 315
 316       gui_text( ui_global_ctx.cursor, "Shadows", 1, 0 );
 317       ui_global_ctx.cursor[1] += 16;
 318       ui_slider( &ui_global_ctx, &s8 );
 319       ui_slider( &ui_global_ctx, &s9 );
 320
 321       gui_text( ui_global_ctx.cursor, "Misc", 1, 0 );
 322       ui_global_ctx.cursor[1] += 16;
 323       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 324       ui_checkbox( &ui_global_ctx, &c1 );
 325
 326       render_update_lighting_ub();
 327    }
 328 #endif
 329
 330    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 331    if( cl_ui )
 332    {
 333       render_world_routes_ui();
 334    }
 335    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 336
 337    audio_debug_soundscapes();
 338 }
 339
 340 #if 0
 341 VG_STATIC void run_light_widget( struct light_widget *lw )
 342 {
 343    struct ui_checkbox c1 = { .data=&lw->enabled };
 344
 345    ui_checkbox( &ui_global_ctx, &c1 );
 346
 347    if( lw->enabled )
 348    {
 349       struct ui_slider_vector
 350          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 351          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 352
 353       ui_slider_vector( &ui_global_ctx, &colour );
 354       ui_global_ctx.cursor[1] += 4;
 355       ui_slider_vector( &ui_global_ctx, &dir );
 356    }
 357 }
 358 #endif
 359
 360 VG_STATIC void run_debug_info(void)
 361 {
 362    char buf[40];
 363
 364    snprintf( buf, 40, "%.2fm/s", v3_length( player.phys.rb.v ) );
 365    ui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 366
 367    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 368          player.phys.a[0], player.phys.a[1], player.phys.a[2] );
 369    ui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 370
 371    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 372          player.phys.rb.co[0], player.phys.rb.co[1], player.phys.rb.co[2] );
 373    ui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 374
 375    if( vg_input.controller_handle )
 376    {
 377       for( int i=0; i<vg_list_size(vg_input.controller_axises); i++ )
 378       {
 379          snprintf( buf, 40, "%.2f", vg_input.controller_axises[i] );
 380          ui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 381       }
 382    }
 383    else
 384    {
 385       ui_text( (ui_px [2]){ 0, 60 },
 386             "Gamepad not ready", 1, k_text_align_left );
 387    }
 388 }