skaterift.c

   1 /*
   2  * =============================================================================
   3  *
   4  * Copyright  .        . .       -----, ,----- ,---.   .---.
   5  * 2021-2022  |\      /| |           /  |      |    | |    /|
   6  *            | \    / | +--        /   +----- +---'  |   / |
   7  *            |  \  /  | |         /    |      |   \  |  /  |
   8  *            |   \/   | |        /     |      |    \ | /   |
   9  *            '        ' '--' [] '----- '----- '     ' '---'  SOFTWARE
  10  *
  11  * =============================================================================
  12  */
  13
  14 #define SR_NETWORKED
  15
  16 #include "common.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
  27 int main( int argc, char *argv[] )
  28 {
  29    vg_mem.use_libc_malloc = 0;
  30    vg_set_mem_quota( 128*1024*1024 );
  31    vg_enter( argc, argv, "Voyager Game Engine" );
  32
  33    return 0;
  34 }
  35
  36 VG_STATIC void highscores_save_at_exit(void)
  37 {
  38    highscores_serialize_all();
  39 }
  40
  41 VG_STATIC void vg_launch_opt(void)
  42 {
  43
  44 }
  45
  46 VG_STATIC void vg_preload(void)
  47 {
  48    vg_convar_push( (struct vg_convar){
  49       .name = "cl_ui",
  50       .data = &cl_ui,
  51       .data_type = k_convar_dtype_i32,
  52       .opt_i32 = { .min=0, .max=1, .clamp=1 },
  53       .persistent = 1
  54    });
  55
  56    vg_convar_push( (struct vg_convar){
  57       .name = "cl_fov",
  58       .data = &g_fov_option,
  59       .data_type = k_convar_dtype_f32,
  60       .opt_f32 = { .clamp = 0 },
  61       .persistent = 1
  62    });
  63
  64 vg_info(" Copyright  .        . .       -----, ,----- ,---.   .---.  \n" );
  65 vg_info(" 2021-2022  |\\      /| |           /  |      |    | |    /| \n" );
  66 vg_info("            | \\    / | +--        /   +----- +---'  |   / | \n" );
  67 vg_info("            |  \\  /  | |         /    |      |   \\  |  /  | \n" );
  68 vg_info("            |   \\/   | |        /     |      |    \\ | /   | \n" );
  69 vg_info("            '        ' '--' [] '----- '----- '     ' '---'  "
  70         "SOFTWARE\n" );
  71
  72    highscores_init( 2000, 50 );
  73    if( !highscores_read() )
  74       highscores_create_db();
  75
  76    vg_loader_step( NULL, highscores_save_at_exit );
  77
  78    steam_init();
  79    vg_loader_step( NULL, steam_end );
  80    vg_loader_step( network_init, network_end );
  81 }
  82
  83 VG_STATIC void vg_load(void)
  84 {
  85    vg_loader_step( render_init, NULL );
  86    vg_loader_step( menu_init, NULL );
  87    vg_loader_step( world_init, NULL );
  88    vg_loader_step( player_init, NULL );
  89
  90    vg_bake_shaders();
  91    vg_loader_step( audio_init, audio_free );
  92    world_audio_init();
  93
  94    /* 'systems' are completely loaded now */
  95    strcpy( world.world_name, "maps/mp_mtzero.mdl" );
  96    strcpy( world.world_name, "maps/mp_gridmap.mdl" );
  97    world_load();
  98    vg_console_load_autos();
  99 }
 100
 101 VG_STATIC void vg_start(void)
 102 {
 103    reset_player( 1, (const char *[]){ "start" } );
 104 }
 105
 106 VG_STATIC void draw_origin_axis(void)
 107 {
 108    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 109    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 110    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 111 }
 112
 113 VG_STATIC void vg_update(void)
 114 {
 115    steam_update();
 116
 117    if( vg.is_loaded )
 118    {
 119       draw_origin_axis();
 120       network_update();
 121
 122       player_update_pre();
 123       world_update( player.phys.rb.co );
 124    }
 125 }
 126
 127 VG_STATIC void vg_update_fixed(void)
 128 {
 129    if( vg.is_loaded )
 130    {
 131       player_update_fixed();
 132    }
 133 }
 134
 135 VG_STATIC void vg_update_post(void)
 136 {
 137    if( vg.is_loaded )
 138    {
 139       player_update_post();
 140       menu_update();
 141    }
 142 }
 143
 144 VG_STATIC void vg_framebuffer_resize( int w, int h )
 145 {
 146    render_fb_resize();
 147    water_fb_resize();
 148 }
 149
 150 VG_STATIC void render_main_game(void)
 151 {
 152    m4x4f world_4x4;
 153    m4x3_expand( camera_mtx_inverse, world_4x4 );
 154
 155    static float fov = 60.0f;
 156
 157    float fov_target = vg_lerpf( 90.0f, 110.0f, g_fov_option );
 158
 159    if( player.phys.on_board )
 160       fov_target = vg_lerpf( 97.0f, 135.0f, g_fov_option );
 161
 162    if( cl_menu )
 163       fov_target = menu_fov_target;
 164
 165    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 166
 167    gpipeline.fov = freecam? 60.0f: fov; /* 120 */
 168    m4x4_projection( vg.pv, gpipeline.fov,
 169          (float)vg.window_x / (float)vg.window_y,
 170          0.1f, 2100.0f );
 171
 172    m4x4_mul( vg.pv, world_4x4, vg.pv );
 173    glEnable( GL_DEPTH_TEST );
 174
 175    /*
 176     * Draw world
 177     */
 178
 179    int draw_solid = player.is_dead | freecam;
 180    render_world( vg.pv, camera_mtx );
 181
 182    if( draw_solid )
 183       draw_player( camera_mtx );
 184
 185    render_water_texture( camera_mtx );
 186
 187    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 188    render_water_surface( vg.pv, camera_mtx );
 189    render_world_gates( vg.pv, player.phys.rb.co, camera_mtx );
 190
 191    if( cl_menu )
 192    {
 193       glClear( GL_DEPTH_BUFFER_BIT );
 194       menu_render( vg.pv );
 195    }
 196
 197    /* Copy the RGB of what we have into the background buffer */
 198    glBindFramebuffer( GL_READ_FRAMEBUFFER, 0 );
 199    glBindFramebuffer( GL_DRAW_FRAMEBUFFER, gpipeline.fb_background );
 200    glBlitFramebuffer( 0,0, vg.window_x, vg.window_y,
 201                       0,0, vg.window_x, vg.window_y,
 202                       GL_COLOR_BUFFER_BIT,
 203                       GL_LINEAR );
 204
 205    /* Clear out the colour buffer, but keep depth */
 206    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 207    glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
 208
 209    if( !player.is_dead )
 210       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 211    else
 212       glClear( GL_COLOR_BUFFER_BIT );
 213
 214    if( !draw_solid )
 215    {
 216       m4x4_projection( vg.pv, gpipeline.fov,
 217             (float)vg.window_x / (float)vg.window_y,
 218             0.05f, 60.0f );
 219       m4x4_mul( vg.pv, world_4x4, vg.pv );
 220       draw_player( camera_mtx );
 221    }
 222
 223    /* Draw back in the background
 224     *
 225     * TODO: need to disable alpha write in the terrain shader so this works
 226     *       again.
 227     */
 228    glEnable(GL_BLEND);
 229    glDisable(GL_DEPTH_TEST);
 230    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 231    glBlendEquation(GL_FUNC_ADD);
 232
 233    shader_blit_use();
 234    shader_blit_uTexMain( 0 );
 235    glActiveTexture(GL_TEXTURE0);
 236    glBindTexture( GL_TEXTURE_2D, gpipeline.rgb_background );
 237
 238    render_fsquad();
 239 }
 240
 241 VG_STATIC void vg_render(void)
 242 {
 243    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 244
 245    glViewport( 0,0, vg.window_x, vg.window_y );
 246    glDisable( GL_DEPTH_TEST );
 247
 248    glClearColor( 0.11f, 0.35f, 0.37f, 1.0f );
 249    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 250
 251    render_main_game();
 252
 253    /* Other shite */
 254    glDisable(GL_BLEND);
 255    glDisable( GL_DEPTH_TEST );
 256    vg_lines_drawall( (float *)vg.pv );
 257    glViewport( 0,0, vg.window_x, vg.window_y );
 258 }
 259
 260 VG_STATIC void vg_ui(void)
 261 {
 262    menu_crap_ui();
 263
 264 #if 0
 265    if( lightedit )
 266    {
 267       ui_global_ctx.cursor[0] = 10;
 268       ui_global_ctx.cursor[1] = 10;
 269       ui_global_ctx.cursor[2] = 200;
 270       ui_global_ctx.cursor[3] = 20;
 271
 272       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 273       struct ui_slider_vector
 274          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 275
 276       struct ui_slider
 277          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 278          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 279
 280       for( int i=0; i<3; i++ )
 281          run_light_widget( &gpipeline.widgets[i] );
 282
 283       gui_text( ui_global_ctx.cursor, "Ambient", 1, 0 );
 284       ui_global_ctx.cursor[1] += 16;
 285       ui_slider_vector( &ui_global_ctx, &s5 );
 286
 287       gui_text( ui_global_ctx.cursor, "Shadows", 1, 0 );
 288       ui_global_ctx.cursor[1] += 16;
 289       ui_slider( &ui_global_ctx, &s8 );
 290       ui_slider( &ui_global_ctx, &s9 );
 291
 292       gui_text( ui_global_ctx.cursor, "Misc", 1, 0 );
 293       ui_global_ctx.cursor[1] += 16;
 294       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 295       ui_checkbox( &ui_global_ctx, &c1 );
 296
 297       render_update_lighting_ub();
 298    }
 299 #endif
 300
 301    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 302    if( cl_ui )
 303    {
 304       render_world_routes_ui();
 305    }
 306    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 307
 308    audio_debug_soundscapes();
 309 }
 310
 311 #if 0
 312 VG_STATIC void run_light_widget( struct light_widget *lw )
 313 {
 314    struct ui_checkbox c1 = { .data=&lw->enabled };
 315
 316    ui_checkbox( &ui_global_ctx, &c1 );
 317
 318    if( lw->enabled )
 319    {
 320       struct ui_slider_vector
 321          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 322          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 323
 324       ui_slider_vector( &ui_global_ctx, &colour );
 325       ui_global_ctx.cursor[1] += 4;
 326       ui_slider_vector( &ui_global_ctx, &dir );
 327    }
 328 }
 329 #endif
 330
 331 VG_STATIC void run_debug_info(void)
 332 {
 333    char buf[40];
 334
 335    snprintf( buf, 40, "%.2fm/s", v3_length( player.phys.rb.v ) );
 336    ui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 337
 338    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 339          player.phys.a[0], player.phys.a[1], player.phys.a[2] );
 340    ui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 341
 342    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 343          player.phys.rb.co[0], player.phys.rb.co[1], player.phys.rb.co[2] );
 344    ui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 345
 346    if( vg_input.controller_handle )
 347    {
 348       for( int i=0; i<vg_list_size(vg_input.controller_axises); i++ )
 349       {
 350          snprintf( buf, 40, "%.2f", vg_input.controller_axises[i] );
 351          ui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 352       }
 353    }
 354    else
 355    {
 356       ui_text( (ui_px [2]){ 0, 60 },
 357             "Gamepad not ready", 1, k_text_align_left );
 358    }
 359 }