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_highwater( NULL, highscores_save_at_exit, NULL );
  77
  78    //vg_sleep_ms(200);
  79
  80    steam_init();
  81    vg_loader_highwater( NULL, steam_end, NULL );
  82    vg_loader_highwater( network_init, network_end, NULL );
  83 }
  84
  85 VG_STATIC void vg_load(void)
  86 {
  87    vg_loader_highwater( render_init, NULL, NULL );
  88    vg_loader_highwater( menu_init, NULL, NULL );
  89    vg_loader_highwater( world_init, NULL, NULL );
  90    vg_loader_highwater( player_init, NULL, NULL );
  91
  92    vg_bake_shaders();
  93    vg_loader_highwater( audio_init, audio_free, NULL );
  94    world_audio_init();
  95
  96    /* 'systems' are completely loaded now */
  97    strcpy( world.world_name, "maps/mp_mtzero.mdl" );
  98    strcpy( world.world_name, "maps/mp_gridmap.mdl" );
  99    world_load();
 100    vg_console_load_autos();
 101 }
 102
 103 VG_STATIC void vg_start(void)
 104 {
 105    reset_player( 1, (const char *[]){ "start" } );
 106 }
 107
 108 VG_STATIC void draw_origin_axis(void)
 109 {
 110    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 111    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 112    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 113 }
 114
 115 VG_STATIC void vg_update( int loaded )
 116 {
 117    steam_update();
 118
 119    if( loaded )
 120    {
 121       draw_origin_axis();
 122       network_update();
 123
 124       player_update_pre();
 125       world_update( player.phys.rb.co );
 126    }
 127 }
 128
 129 VG_STATIC void vg_update_fixed( int loaded )
 130 {
 131    if( loaded )
 132    {
 133       player_update_fixed();
 134    }
 135 }
 136
 137 VG_STATIC void vg_update_post( int loaded )
 138 {
 139    if( loaded )
 140    {
 141       player_update_post();
 142       menu_update();
 143    }
 144 }
 145
 146 VG_STATIC void vg_framebuffer_resize( int w, int h )
 147 {
 148    render_fb_resize();
 149    water_fb_resize();
 150 }
 151
 152 VG_STATIC void render_main_game(void)
 153 {
 154    m4x4f world_4x4;
 155    m4x3_expand( camera_mtx_inverse, world_4x4 );
 156
 157    static float fov = 60.0f;
 158
 159    float fov_target = vg_lerpf( 90.0f, 110.0f, g_fov_option );
 160
 161    if( player.phys.on_board )
 162       fov_target = vg_lerpf( 97.0f, 135.0f, g_fov_option );
 163
 164    if( cl_menu )
 165       fov_target = menu_fov_target;
 166
 167    fov = vg_lerpf( fov, fov_target, vg.frame_delta * 2.0f );
 168
 169    gpipeline.fov = freecam? 60.0f: fov; /* 120 */
 170    m4x4_projection( vg.pv, gpipeline.fov,
 171          (float)vg.window_x / (float)vg.window_y,
 172          0.1f, 2100.0f );
 173
 174    m4x4_mul( vg.pv, world_4x4, vg.pv );
 175    glEnable( GL_DEPTH_TEST );
 176
 177    /*
 178     * Draw world
 179     */
 180
 181    int draw_solid = player.is_dead | freecam;
 182    render_world( vg.pv, camera_mtx );
 183
 184    if( draw_solid )
 185       draw_player( camera_mtx );
 186
 187    render_water_texture( camera_mtx );
 188
 189    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 190    render_water_surface( vg.pv, camera_mtx );
 191    render_world_gates( vg.pv, player.phys.rb.co, camera_mtx );
 192
 193    if( cl_menu )
 194    {
 195       glClear( GL_DEPTH_BUFFER_BIT );
 196       menu_render( vg.pv );
 197    }
 198
 199    /* Copy the RGB of what we have into the background buffer */
 200    glBindFramebuffer( GL_READ_FRAMEBUFFER, 0 );
 201    glBindFramebuffer( GL_DRAW_FRAMEBUFFER, gpipeline.fb_background );
 202    glBlitFramebuffer( 0,0, vg.window_x, vg.window_y,
 203                       0,0, vg.window_x, vg.window_y,
 204                       GL_COLOR_BUFFER_BIT,
 205                       GL_LINEAR );
 206
 207    /* Clear out the colour buffer, but keep depth */
 208    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 209    glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
 210
 211    if( !player.is_dead )
 212       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 213    else
 214       glClear( GL_COLOR_BUFFER_BIT );
 215
 216    if( !draw_solid )
 217    {
 218       m4x4_projection( vg.pv, gpipeline.fov,
 219             (float)vg.window_x / (float)vg.window_y,
 220             0.05f, 60.0f );
 221       m4x4_mul( vg.pv, world_4x4, vg.pv );
 222       draw_player( camera_mtx );
 223    }
 224
 225    /* Draw back in the background
 226     *
 227     * TODO: need to disable alpha write in the terrain shader so this works
 228     *       again.
 229     */
 230    glEnable(GL_BLEND);
 231    glDisable(GL_DEPTH_TEST);
 232    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 233    glBlendEquation(GL_FUNC_ADD);
 234
 235    shader_blit_use();
 236    shader_blit_uTexMain( 0 );
 237    glActiveTexture(GL_TEXTURE0);
 238    glBindTexture( GL_TEXTURE_2D, gpipeline.rgb_background );
 239
 240    render_fsquad();
 241 }
 242
 243 VG_STATIC void vg_render(void)
 244 {
 245    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 246    glViewport( 0,0, vg.window_x, vg.window_y );
 247    glDisable( GL_DEPTH_TEST );
 248
 249    glClearColor( 0.11f, 0.35f, 0.37f, 1.0f );
 250    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 251
 252    render_main_game();
 253
 254
 255    /* Other shite */
 256    glDisable(GL_BLEND);
 257    glDisable( GL_DEPTH_TEST );
 258    vg_lines_drawall( (float *)vg.pv );
 259    glViewport( 0,0, vg.window_x, vg.window_y );
 260 }
 261
 262 VG_STATIC void vg_ui(void)
 263 {
 264    menu_crap_ui();
 265
 266 #if 0
 267    if( lightedit )
 268    {
 269       ui_global_ctx.cursor[0] = 10;
 270       ui_global_ctx.cursor[1] = 10;
 271       ui_global_ctx.cursor[2] = 200;
 272       ui_global_ctx.cursor[3] = 20;
 273
 274       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 275       struct ui_slider_vector
 276          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 277
 278       struct ui_slider
 279          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 280          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 281
 282       for( int i=0; i<3; i++ )
 283          run_light_widget( &gpipeline.widgets[i] );
 284
 285       gui_text( ui_global_ctx.cursor, "Ambient", 1, 0 );
 286       ui_global_ctx.cursor[1] += 16;
 287       ui_slider_vector( &ui_global_ctx, &s5 );
 288
 289       gui_text( ui_global_ctx.cursor, "Shadows", 1, 0 );
 290       ui_global_ctx.cursor[1] += 16;
 291       ui_slider( &ui_global_ctx, &s8 );
 292       ui_slider( &ui_global_ctx, &s9 );
 293
 294       gui_text( ui_global_ctx.cursor, "Misc", 1, 0 );
 295       ui_global_ctx.cursor[1] += 16;
 296       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 297       ui_checkbox( &ui_global_ctx, &c1 );
 298
 299       render_update_lighting_ub();
 300    }
 301 #endif
 302
 303    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 304    if( cl_ui )
 305    {
 306       render_world_routes_ui();
 307    }
 308    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 309
 310    audio_debug_soundscapes();
 311 }
 312
 313 #if 0
 314 VG_STATIC void run_light_widget( struct light_widget *lw )
 315 {
 316    struct ui_checkbox c1 = { .data=&lw->enabled };
 317
 318    ui_checkbox( &ui_global_ctx, &c1 );
 319
 320    if( lw->enabled )
 321    {
 322       struct ui_slider_vector
 323          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 324          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 325
 326       ui_slider_vector( &ui_global_ctx, &colour );
 327       ui_global_ctx.cursor[1] += 4;
 328       ui_slider_vector( &ui_global_ctx, &dir );
 329    }
 330 }
 331 #endif
 332
 333 VG_STATIC void run_debug_info(void)
 334 {
 335    char buf[40];
 336
 337    snprintf( buf, 40, "%.2fm/s", v3_length( player.phys.rb.v ) );
 338    ui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 339
 340    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 341          player.phys.a[0], player.phys.a[1], player.phys.a[2] );
 342    ui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 343
 344    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 345          player.phys.rb.co[0], player.phys.rb.co[1], player.phys.rb.co[2] );
 346    ui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 347
 348    if( vg_input.controller_handle )
 349    {
 350       for( int i=0; i<vg_list_size(vg_input.controller_axises); i++ )
 351       {
 352          snprintf( buf, 40, "%.2f", vg_input.controller_axises[i] );
 353          ui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 354       }
 355    }
 356    else
 357    {
 358       ui_text( (ui_px [2]){ 0, 60 },
 359             "Gamepad not ready", 1, k_text_align_left );
 360    }
 361 }