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 #include "player.h"
  22 #include "network.h"
  23 #include "menu.h"
  24 #include "vehicle.h"
  25
  26 static int cl_ui      = 1,
  27            cl_view_id = 0,
  28            cl_light_edit = 0;
  29
  30 int main( int argc, char *argv[] )
  31 {
  32    vg_mem.use_libc_malloc = 0;
  33    vg_set_mem_quota( 128*1024*1024 );
  34    vg_enter( argc, argv, "Voyager Game Engine" );
  35
  36    return 0;
  37 }
  38
  39 VG_STATIC void highscores_save_at_exit(void)
  40 {
  41    highscores_serialize_all();
  42 }
  43
  44 VG_STATIC void vg_launch_opt(void)
  45 {
  46
  47 }
  48
  49 VG_STATIC void vg_preload(void)
  50 {
  51    g_conf_init();
  52
  53    vg_var_push( (struct vg_var){
  54       .name = "cl_ui",
  55       .data = &cl_ui,
  56       .data_type = k_var_dtype_i32,
  57       .opt_i32 = { .min=0, .max=1, .clamp=1 },
  58       .persistent = 0
  59    });
  60
  61    vg_var_push( (struct vg_var){
  62       .name = "cl_view_id",
  63       .data = &cl_view_id,
  64       .data_type = k_var_dtype_i32,
  65       .opt_i32 = { .min=0, .max=1, .clamp=1 },
  66       .persistent = 0
  67    });
  68
  69    vg_var_push( (struct vg_var){
  70       .name = "ledit",
  71       .data = &cl_light_edit,
  72       .data_type = k_var_dtype_i32,
  73       .opt_i32 = { .min=0, .max=1, .clamp=1 },
  74       .persistent = 0
  75    });
  76
  77 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
  78 vg_info(" 2021-2022  |\\      /| |           /  |      |    | |    /| \n" );
  79 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
  80 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
  81 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
  82 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
  83         "SOFTWARE\n" );
  84
  85    highscores_init( 2000, 50 );
  86    if( !highscores_read() )
  87       highscores_create_db();
  88
  89    vg_loader_step( NULL, highscores_save_at_exit );
  90
  91    steam_init();
  92    vg_loader_step( NULL, steam_end );
  93    vg_loader_step( network_init, network_end );
  94 }
  95
  96 VG_STATIC void vg_load(void)
  97 {
  98    vg_loader_step( render_init, NULL );
  99    vg_loader_step( menu_init, NULL );
 100    vg_loader_step( world_init, NULL );
 101    vg_loader_step( player_init, NULL );
 102    vg_loader_step( vehicle_init, NULL );
 103
 104    vg_bake_shaders();
 105    vg_loader_step( audio_init, audio_free );
 106    world_audio_init();
 107
 108    /* 'systems' are completely loaded now */
 109    strcpy( world.world_name, "maps/mp_mtzero.mdl" );
 110    strcpy( world.world_name, "maps/mp_gridmap.mdl" );
 111    world_load();
 112    vg_console_load_autos();
 113 }
 114
 115 VG_STATIC void vg_start(void)
 116 {
 117    reset_player( 1, (const char *[]){ "start" } );
 118 }
 119
 120 VG_STATIC void draw_origin_axis(void)
 121 {
 122    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 123    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 124    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 125 }
 126
 127 VG_STATIC void vg_update(void)
 128 {
 129    steam_update();
 130
 131    if( vg.is_loaded )
 132    {
 133       draw_origin_axis();
 134       network_update();
 135
 136       player_update_pre();
 137       world_update( player.phys.rb.co );
 138    }
 139 }
 140
 141 VG_STATIC void vg_update_fixed(void)
 142 {
 143    if( vg.is_loaded )
 144    {
 145       player_update_fixed();
 146       vehicle_update_fixed();
 147    }
 148 }
 149
 150 VG_STATIC void vg_update_post(void)
 151 {
 152    if( vg.is_loaded )
 153    {
 154       player_update_post();
 155       menu_update();
 156       vehicle_update_post();
 157    }
 158 }
 159
 160 VG_STATIC void vg_framebuffer_resize( int w, int h )
 161 {
 162    render_fb_resize();
 163 }
 164
 165 VG_STATIC void present_view_with_post_processing(void)
 166 {
 167    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 168
 169    glEnable(GL_BLEND);
 170    glDisable(GL_DEPTH_TEST);
 171    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 172    glBlendEquation(GL_FUNC_ADD);
 173
 174    if( cl_blur )
 175    {
 176       shader_blitblur_use();
 177       shader_blitblur_uTexMain( 0 );
 178       shader_blitblur_uTexMotion( 1 );
 179       shader_blitblur_uBlurStrength(cl_blur_strength / (vg.frame_delta*60.0f));
 180
 181       v2f menu_blurring;
 182       v2_muls( (v2f){ 0.04f, 0.001f }, menu_opacity, menu_blurring );
 183       shader_blitblur_uOverrideDir( menu_blurring );
 184
 185       if( cl_view_id == 0 )
 186          render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 187       else if( cl_view_id == 1 )
 188          render_fb_bind_texture( gpipeline.fb_main, 1, 0 );
 189       else
 190          render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 191
 192       render_fb_bind_texture( gpipeline.fb_main, 1, 1 );
 193    }
 194    else
 195    {
 196       shader_blit_use();
 197       shader_blit_uTexMain( 0 );
 198       render_fb_bind_texture( gpipeline.fb_main, 0, 0 );
 199    }
 200
 201    render_fsquad();
 202 }
 203
 204 VG_STATIC void render_player_transparent(void)
 205 {
 206    static camera small_cam;      /* DOES NOT NEED TO BE STATIC BUT MINGW
 207                                     SAIS OTHERWISE */
 208
 209    m4x3_copy( main_camera.transform, small_cam.transform );
 210
 211    small_cam.fov = main_camera.fov;
 212    small_cam.nearz = 0.05f;
 213    small_cam.farz  = 60.0f;
 214
 215    camera_update_view( &small_cam );
 216    camera_update_projection( &small_cam );
 217    camera_finalize( &small_cam );
 218
 219    /* Draw player to window buffer and blend background ontop */
 220
 221    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 222    draw_player( &small_cam );
 223 }
 224
 225 VG_STATIC void render_scene(void)
 226 {
 227    render_fb_bind( gpipeline.fb_main );
 228    glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
 229    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 230
 231    /* Draw world */
 232    glEnable( GL_DEPTH_TEST );
 233
 234    render_world( &main_camera );
 235
 236    int player_transparent = !(player.is_dead || freecam),
 237        player_draw        = !cl_menu;
 238
 239    if( !player_transparent && player_draw )
 240       draw_player( &main_camera );
 241
 242    render_water_texture( &main_camera );
 243    render_fb_bind( gpipeline.fb_main );
 244    render_water_surface( &main_camera );
 245    render_world_gates( &main_camera );
 246
 247    if( player_transparent && player_draw )
 248       render_player_transparent();
 249 }
 250
 251 VG_STATIC void render_menu(void)
 252 {
 253    glClear( GL_DEPTH_BUFFER_BIT );
 254    menu_render( &main_camera );
 255 }
 256
 257 VG_STATIC void render_main_game(void)
 258 {
 259    static float fov = 60.0f;
 260    float fov_target = vg_lerpf( 90.0f, 110.0f, cl_fov );
 261    if( player.phys.on_board )
 262       fov_target = vg_lerpf( 97.0f, 135.0f, cl_fov );
 263    if( cl_menu )
 264       fov_target = menu_fov_target;
 265    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 266    fov = freecam? 60.0f: fov;
 267
 268    main_camera.fov   = fov;
 269    main_camera.nearz = 0.1f;
 270    main_camera.farz  = 2100.0f;
 271
 272    camera_update_view( &main_camera );
 273    camera_update_projection( &main_camera );
 274    camera_finalize( &main_camera );
 275
 276    /* ========== Begin Frame ========== */
 277
 278    render_scene();
 279    present_view_with_post_processing();
 280
 281    if( cl_menu )
 282    {
 283       render_menu();
 284       render_player_transparent();
 285    }
 286
 287    /* =========== End Frame =========== */
 288 }
 289
 290 VG_STATIC void vg_render(void)
 291 {
 292    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 293
 294    glViewport( 0,0, vg.window_x, vg.window_y );
 295    glDisable( GL_DEPTH_TEST );
 296
 297    glClearColor( 1.0f, 0.0f, 0.0f, 0.0f );
 298    glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 299
 300    render_main_game();
 301
 302    /* Other shite */
 303    glDisable(GL_BLEND);
 304    glDisable( GL_DEPTH_TEST );
 305    vg_lines_drawall( (float *)main_camera.mtx.pv );
 306    glViewport( 0,0, vg.window_x, vg.window_y );
 307 }
 308
 309 VG_STATIC void run_light_widget( struct light_widget *lw );
 310 VG_STATIC void vg_ui(void)
 311 {
 312    menu_crap_ui();
 313
 314    if( cl_light_edit )
 315    {
 316       vg_uictx.cursor[0] = 10;
 317       vg_uictx.cursor[1] = 10;
 318       vg_uictx.cursor[2] = 200;
 319       vg_uictx.cursor[3] = 20;
 320
 321       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 322       struct ui_slider_vector
 323          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 324
 325       struct ui_slider
 326          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 327          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 328
 329       for( int i=0; i<3; i++ )
 330          run_light_widget( &gpipeline.widgets[i] );
 331
 332       ui_text( vg_uictx.cursor, "Ambient", 1, 0 );
 333       vg_uictx.cursor[1] += 16;
 334       ui_slider_vector( &s5 );
 335
 336       ui_text( vg_uictx.cursor, "Shadows", 1, 0 );
 337       vg_uictx.cursor[1] += 16;
 338       ui_slider( &s8 );
 339       ui_slider( &s9 );
 340
 341       ui_text( vg_uictx.cursor, "Misc", 1, 0 );
 342       vg_uictx.cursor[1] += 16;
 343       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 344       ui_checkbox( &c1 );
 345
 346       render_update_lighting_ub();
 347    }
 348
 349    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 350    if( cl_ui )
 351    {
 352       render_world_routes_ui();
 353    }
 354    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 355
 356    audio_debug_soundscapes();
 357    render_view_framebuffer_ui();
 358    player_physics_gui();
 359 }
 360
 361 VG_STATIC void run_light_widget( struct light_widget *lw )
 362 {
 363    struct ui_checkbox c1 = { .data=&lw->enabled };
 364
 365    ui_checkbox( &c1 );
 366
 367    if( lw->enabled )
 368    {
 369       struct ui_slider_vector
 370          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 371          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 372
 373       ui_slider_vector( &colour );
 374       vg_uictx.cursor[1] += 4;
 375       ui_slider_vector( &dir );
 376    }
 377 }
 378
 379 VG_STATIC void run_debug_info(void)
 380 {
 381    char buf[40];
 382
 383    snprintf( buf, 40, "%.2fm/s", v3_length( player.phys.rb.v ) );
 384    ui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 385
 386    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 387          player.phys.a[0], player.phys.a[1], player.phys.a[2] );
 388    ui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 389
 390    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 391          player.phys.rb.co[0], player.phys.rb.co[1], player.phys.rb.co[2] );
 392    ui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 393
 394    if( vg_input.controller_handle )
 395    {
 396       for( int i=0; i<vg_list_size(vg_input.controller_axises); i++ )
 397       {
 398          snprintf( buf, 40, "%.2f", vg_input.controller_axises[i] );
 399          ui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 400       }
 401    }
 402    else
 403    {
 404       ui_text( (ui_px [2]){ 0, 60 },
 405             "Gamepad not ready", 1, k_text_align_left );
 406    }
 407 }