menu.h

   1 #ifndef MENU_H
   2 #define MENU_H
   3
   4 #include "common.h"
   5 #include "model.h"
   6 #include "world_render.h"
   7 #include "player.h"
   8 #include "shaders/model_menu.h"
   9 #include "audio.h"
  10 #include "input.h"
  11 #include "workshop.h"
  12 #include "respawn.h"
  13 #include "gui.h"
  14 #include "ent_miniworld.h"
  15
  16 #define MENU_STACK_SIZE 8
  17
  18 struct {
  19    int credits_open;
  20    int disable_open;
  21
  22    u32 page, /* current page index */
  23        page_depth,
  24        controls_page_id;
  25
  26    ent_menuitem *ctr_kbm,
  27                 *ctr_deck,
  28                 *ctr_ps,
  29                 *ctr_steam,
  30                 *ctr_xbox;
  31
  32    enum menu_input_mode{
  33       k_menu_input_mode_keys,
  34       k_menu_input_mode_mouse
  35    }
  36    input_mode;
  37    f32 mouse_track, mouse_dist;  /* used for waking up mouse */
  38    f32 slider_offset;
  39
  40    struct page_stack_frame {
  41       u32 page;
  42       ent_menuitem *loc;
  43       ent_camera *cam;
  44    }
  45    page_stack[ MENU_STACK_SIZE ];
  46
  47    ent_menuitem *loc;
  48    ent_camera   *cam;
  49    camera        view;
  50
  51    mdl_context model;
  52    GLuint texture;
  53    glmesh mesh;
  54
  55    mdl_array_ptr items, markers, cameras;
  56 }
  57 static menu;
  58
  59 /*
  60  * Attaches memory locations to the various items in the menu
  61  */
  62 static void menu_link(void){
  63    /* link data locations */
  64    for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
  65       ent_menuitem *item = mdl_arritm( &menu.items, i );
  66
  67       if( item->type == k_ent_menuitem_type_toggle ||
  68           item->type == k_ent_menuitem_type_slider ){
  69
  70          const char *name;
  71
  72          if( item->type == k_ent_menuitem_type_slider )
  73             name = mdl_pstr( &menu.model, item->slider.pstr_data );
  74          else
  75             name = mdl_pstr( &menu.model, item->checkmark.pstr_data );
  76          vg_var *var = vg_console_match_var( name );
  77
  78          if( var ){
  79             if( ( item->type == k_ent_menuitem_type_slider &&
  80                   var->data_type != k_var_dtype_f32
  81                 ) ||
  82                 ( item->type == k_ent_menuitem_type_toggle &&!
  83                   ( var->data_type == k_var_dtype_i32 ||
  84                     var->data_type == k_var_dtype_u32
  85                   )
  86                )
  87             ){
  88                vg_error( "Cannot hook to data %s(%p), because it is type %d.\n",
  89                            name, var, var->data_type );
  90                item->pvoid = NULL;
  91             }
  92             else{
  93                item->pvoid = var->data;
  94             }
  95          }
  96          else{
  97             vg_error( "No data named %s\n", name );
  98             item->pvoid = NULL;
  99          }
 100       }
 101       else{
 102          item->pvoid = NULL;
 103       }
 104    }
 105
 106    /* link controllers */
 107    menu.ctr_deck = NULL;
 108    menu.ctr_kbm = NULL;
 109    menu.ctr_ps = NULL;
 110    menu.ctr_steam = NULL;
 111    menu.ctr_xbox = NULL;
 112
 113    for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 114       ent_menuitem *item = mdl_arritm( &menu.items, i );
 115
 116       if( MDL_CONST_PSTREQ( &menu.model, item->visual.pstr_name, "deck" ) )
 117          menu.ctr_deck = item;
 118       if( MDL_CONST_PSTREQ( &menu.model, item->visual.pstr_name, "kbm" ) )
 119          menu.ctr_kbm = item;
 120       if( MDL_CONST_PSTREQ( &menu.model, item->visual.pstr_name, "ps" ) )
 121          menu.ctr_ps = item;
 122       if( MDL_CONST_PSTREQ( &menu.model, item->visual.pstr_name, "steam" ) )
 123          menu.ctr_steam = item;
 124       if( MDL_CONST_PSTREQ( &menu.model, item->visual.pstr_name, "xbox" ) )
 125          menu.ctr_xbox = item;
 126    }
 127 }
 128
 129 static void menu_close(void){
 130    skaterift.activity = k_skaterift_default;
 131    menu.page_depth = 0;
 132    menu.page = 0xffffffff;
 133    srinput.state = k_input_state_resume;
 134 }
 135
 136 static void menu_init(void){
 137    void *alloc = vg_mem.rtmemory;
 138
 139    mdl_open( &menu.model, "models/rs_menu.mdl", alloc );
 140    mdl_load_metadata_block( &menu.model, alloc );
 141
 142    vg_linear_clear( vg_mem.scratch );
 143
 144    MDL_LOAD_ARRAY( &menu.model, &menu.items,   ent_menuitem, alloc );
 145    MDL_LOAD_ARRAY( &menu.model, &menu.markers, ent_marker, alloc );
 146    MDL_LOAD_ARRAY( &menu.model, &menu.cameras, ent_camera, alloc );
 147
 148    vg_linear_clear( vg_mem.scratch );
 149
 150    if( !mdl_arrcount( &menu.model.textures ) )
 151       vg_fatal_error( "No texture in menu file" );
 152
 153    mdl_texture *tex0 = mdl_arritm( &menu.model.textures, 0 );
 154    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
 155    mdl_fread_pack_file( &menu.model, &tex0->file, data );
 156
 157    mdl_async_load_glmesh( &menu.model, &menu.mesh, NULL );
 158    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
 159                             VG_TEX2D_LINEAR|VG_TEX2D_CLAMP,
 160                             &menu.texture );
 161
 162    mdl_close( &menu.model );
 163    shader_model_menu_register();
 164 }
 165
 166 /*
 167  * Drop back a page until we're at the bottom which then we jus quit
 168  */
 169 static void menu_back_page(void){
 170    menu.page_depth --;
 171    if( menu.page_depth == 0 ){
 172       menu_close();
 173    }
 174    else{
 175       menu.page = menu.page_stack[ menu.page_depth ].page;
 176       menu.cam = menu.page_stack[ menu.page_depth ].cam;
 177
 178       if( menu.input_mode == k_menu_input_mode_keys )
 179          menu.loc = menu.page_stack[ menu.page_depth ].loc;
 180       else menu.loc = NULL;
 181    }
 182 }
 183
 184 /*
 185  * Open page to the string identifier
 186  */
 187 static void menu_open_page( const char *name,
 188                             enum ent_menuitem_stack_behaviour stackmode ){
 189    if( stackmode == k_ent_menuitem_stack_append ){
 190       if( menu.page_depth >= MENU_STACK_SIZE )
 191          vg_fatal_error( "Stack overflow\n" );
 192    }
 193    else{
 194       if( menu.page_depth == 0 )
 195          vg_fatal_error( "Stack underflow\n" );
 196    }
 197
 198    u32 hash = vg_strdjb2( name );
 199    for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 200       ent_menuitem *item = mdl_arritm( &menu.items, i );
 201
 202       if( item->type == k_ent_menuitem_type_page ){
 203          if( mdl_pstreq( &menu.model, item->page.pstr_name, name, hash ) ){
 204             u32 new_page = __builtin_ctz( item->groups );
 205
 206             if( new_page == menu.page ){
 207                if( stackmode != k_ent_menuitem_stack_replace )
 208                   menu_back_page();
 209             }
 210             else{
 211                menu.page_stack[ menu.page_depth ].page = menu.page;
 212                menu.page_stack[ menu.page_depth ].cam = menu.cam;
 213                menu.page_stack[ menu.page_depth ].loc = menu.loc;
 214
 215                if( stackmode == k_ent_menuitem_stack_append )
 216                   menu.page_depth ++;
 217
 218                menu.page = __builtin_ctz( item->groups );
 219
 220                if( menu.input_mode == k_menu_input_mode_keys ){
 221                   if( item->page.id_entrypoint ){
 222                      u32 id = mdl_entity_id_id( item->page.id_entrypoint );
 223                      menu.loc = mdl_arritm( &menu.items, id );
 224                   }
 225                }
 226
 227                if( item->page.id_viewpoint ){
 228                   u32 id = mdl_entity_id_id( item->page.id_viewpoint );
 229                   menu.cam = mdl_arritm( &menu.cameras, id );
 230                }
 231             }
 232             return;
 233          }
 234       }
 235    }
 236 }
 237
 238 /*
 239  * activate a pressable type
 240  */
 241 static void menu_trigger_item( ent_menuitem *item ){
 242    if     ( item->type == k_ent_menuitem_type_event_button ){
 243       u32 q = item->button.pstr;
 244
 245       if( MDL_CONST_PSTREQ( &menu.model, q, "quit" ) ){
 246          vg.window_should_close = 1;
 247       }
 248
 249       else if( MDL_CONST_PSTREQ( &menu.model, q, "map" ) ){
 250
 251          menu_close();
 252          respawn_begin_chooser();
 253       }
 254       else if( MDL_CONST_PSTREQ( &menu.model, q, "hub" ) ){
 255          if( world_static.active_instance == k_world_purpose_client ){
 256             srinput.state = k_input_state_resume;
 257             menu_close();
 258             ent_miniworld_goback();
 259          }
 260       }
 261       else if( MDL_CONST_PSTREQ( &menu.model, q, "credits" ) ){
 262          menu.credits_open = 1;
 263       }
 264       else if( MDL_CONST_PSTREQ( &menu.model, q, "workshop" ) ){
 265          workshop_submit_command(0,NULL);
 266       }
 267    }
 268    else if( item->type == k_ent_menuitem_type_page_button ){
 269       menu_open_page( mdl_pstr( &menu.model, item->button.pstr ),
 270                       item->button.stack_behaviour );
 271    }
 272    else if( item->type == k_ent_menuitem_type_toggle ){
 273       if( item->pi32 ){
 274          *item->pi32 = *item->pi32 ^ 0x1;
 275       }
 276    }
 277 }
 278
 279 static f32 menu_slider_snap( f32 value, f32 old, f32 notch ){
 280    f32 const k_epsilon = 0.0125f;
 281
 282    if( fabsf(notch-value) < k_epsilon ){
 283       if( fabsf(notch-old) > k_epsilon ){
 284          audio_lock();
 285          audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
 286          audio_unlock();
 287       }
 288
 289       return notch;
 290    }
 291    else
 292       return value;
 293 }
 294
 295 static void menu_setitem_type( ent_menuitem *item,
 296                                enum ent_menuitem_type type ){
 297    if( !item ) return;
 298    item->type = type;
 299 }
 300
 301 /*
 302  * Run from vg_gui every frame
 303  */
 304 static void menu_update(void){
 305    if( workshop_form.page != k_workshop_form_hidden ){
 306       return;
 307    }
 308
 309    int escape = button_down( k_srbind_mback );
 310    if( menu.credits_open ){
 311       if( escape ){
 312          menu.credits_open = 0;
 313       }
 314       return;
 315    }
 316
 317    if( button_down( k_srbind_mopen ) ){
 318       if( skaterift.activity == k_skaterift_default ){
 319          skaterift.activity = k_skaterift_menu;
 320          menu.page = 0xffffffff;
 321          menu_open_page( "Main Menu", k_ent_menuitem_stack_append );
 322          return;
 323       }
 324    }
 325
 326    if( skaterift.activity != k_skaterift_menu ) return;
 327    enum menu_input_mode prev_mode = menu.input_mode;
 328
 329    /* get buttons inputs
 330     * -------------------------------------------------------------------*/
 331    int ml = button_down( k_srbind_mleft ),
 332        mr = button_down( k_srbind_mright ),
 333        mu = button_down( k_srbind_mup ),
 334        md = button_down( k_srbind_mdown ),
 335        mh = ml-mr,
 336        mv = mu-md,
 337        enter = button_down( k_srbind_maccept );
 338
 339    if( mh||mv||enter ){
 340       menu.input_mode = k_menu_input_mode_keys;
 341    }
 342
 343    /* get mouse inputs
 344     * --------------------------------------------------------------------*/
 345    menu.mouse_dist += v2_length( vg.mouse_delta ); /* TODO: Move to UI */
 346    menu.mouse_track += vg.time_frame_delta;
 347    if( menu.mouse_track > 0.1f ){
 348       menu.mouse_track = fmodf( menu.mouse_track, 0.1f );
 349       if( menu.mouse_dist > 10.0f ){
 350          menu.input_mode = k_menu_input_mode_mouse;
 351          menu.mouse_dist = 0.0f;
 352       }
 353    }
 354
 355    if( ui_clicking(UI_MOUSE_LEFT) || ui_clicking(UI_MOUSE_RIGHT) ){
 356       menu.input_mode = k_menu_input_mode_mouse;
 357    }
 358
 359    if( menu.input_mode == k_menu_input_mode_mouse ){
 360       /*
 361        * handle mouse input
 362        * ------------------------------------------------------------*/
 363       vg_ui.wants_mouse = 1;
 364
 365       /*
 366        * this raycasting is super cumbersome because all the functions were
 367        * designed for other purposes. we dont care though.
 368        */
 369       m4x4f inverse;
 370       m4x4_inv( menu.view.mtx.p, inverse );
 371       v4f coords;
 372       coords[0] = vg_ui.mouse[0];
 373       coords[1] = vg.window_y - vg_ui.mouse[1];
 374       v2_div( coords, (v2f){ vg.window_x, vg.window_y }, coords );
 375       v2_muls( coords, 2.0f, coords );
 376       v2_add( coords, (v2f){-1.0f,-1.0f}, coords );
 377       coords[2] = 1.0f;
 378       coords[3] = 1.0f;
 379       m4x4_mulv( inverse, coords, coords );
 380       v3f ray;
 381       m3x3_mulv( menu.view.transform, coords, ray );
 382       v3_normalize( ray );
 383
 384       if( menu.loc && (menu.loc->type == k_ent_menuitem_type_slider) &&
 385           ui_clicking(UI_MOUSE_LEFT) && menu.loc->pf32 ){
 386
 387          u32 il = mdl_entity_id_id( menu.loc->slider.id_min ),
 388              ir = mdl_entity_id_id( menu.loc->slider.id_max );
 389          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 390                     *mr = mdl_arritm( &menu.markers, ir );
 391
 392          v3f q2;
 393          v3_muladds( menu.view.pos, ray, 100.0f, q2 );
 394
 395          f32 s,t;
 396          v3f c1, c2;
 397          v3f p1, q1, v0;
 398          v3_sub( mr->transform.co, ml->transform.co, v0 );
 399          v3_muladds( ml->transform.co, v0, -1.0f, p1 );
 400          v3_muladds( mr->transform.co, v0,  1.0f, q1 );
 401          closest_segment_segment( p1, q1, menu.view.pos, q2, &s,&t, c1,c2 );
 402
 403          s-=(1.0f/3.0f);
 404          s/=(1.0f/3.0f);
 405
 406          if( ui_click_down(UI_MOUSE_LEFT) ){
 407             menu.slider_offset = *menu.loc->pf32 - s;
 408          }
 409
 410          f32 newvalue = vg_clampf( s+menu.slider_offset, 0.0f, 1.0f );
 411
 412          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.00f );
 413          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 1.00f );
 414          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.25f );
 415          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.50f );
 416          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.75f );
 417
 418          *menu.loc->pf32 = newvalue;
 419          return;
 420       }
 421
 422       ent_menuitem *hit_item = NULL;
 423
 424       for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 425          ent_menuitem *item = mdl_arritm( &menu.items, i );
 426
 427          if( item->type == k_ent_menuitem_type_page ) continue;
 428          if( (item->type == k_ent_menuitem_type_visual) ||
 429              (item->type == k_ent_menuitem_type_visual_nocol) ) continue;
 430          if( item->type == k_ent_menuitem_type_binding ) continue;
 431          if( !(item->groups & (0x1<<menu.page)) ) continue;
 432
 433          ent_menuitem *ray_item = item;
 434
 435          if( item->type == k_ent_menuitem_type_slider ){
 436             u32 subtarget = mdl_entity_id_id( item->slider.id_handle );
 437             ray_item = mdl_arritm( &menu.items, subtarget );
 438          }
 439
 440          v3f local_ray,
 441              local_co;
 442
 443          m4x3f inverse_mtx;
 444          mdl_transform_m4x3( &ray_item->transform, inverse_mtx );
 445          m4x3_invert_full( inverse_mtx, inverse_mtx );
 446
 447          m4x3_mulv( inverse_mtx, menu.view.transform[3], local_co );
 448          m3x3_mulv( inverse_mtx, ray, local_ray );
 449          v3_normalize( local_ray );
 450
 451          local_ray[0] = 1.0f/local_ray[0];
 452          local_ray[1] = 1.0f/local_ray[1];
 453          local_ray[2] = 1.0f/local_ray[2];
 454
 455          for( u32 j=0; j<ray_item->submesh_count; j++ ){
 456             mdl_submesh *sm = mdl_arritm( &menu.model.submeshs,
 457                                            ray_item->submesh_start + j );
 458             if( ray_aabb1( sm->bbx, local_co, local_ray, 1000.0f ) ){
 459                hit_item = item;
 460                break;
 461             }
 462          }
 463       }
 464
 465       if( hit_item != menu.loc ){
 466          menu.loc = hit_item;
 467       }
 468
 469       if( escape ){
 470          menu_back_page();
 471       }
 472       else if( menu.loc ){
 473          if( ui_click_down( UI_MOUSE_LEFT ) ){
 474             menu_trigger_item( menu.loc );
 475          }
 476       }
 477    }
 478    else if( menu.input_mode == k_menu_input_mode_keys ){
 479       /*
 480        * handle button input
 481        * ------------------------------------------------------------*/
 482       if( (prev_mode != k_menu_input_mode_keys) && !menu.loc ){
 483          for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 484             ent_menuitem *item = mdl_arritm( &menu.items, i );
 485
 486             if( (item->type != k_ent_menuitem_type_page) &&
 487                 (item->type != k_ent_menuitem_type_visual) &&
 488                 (item->type != k_ent_menuitem_type_visual_nocol) &&
 489                 (item->groups & (0x1<<menu.page)) ){
 490                menu.loc = item;
 491             }
 492          }
 493       }
 494
 495       if( !menu.loc ) vg_fatal_error( "No location\n" );
 496
 497       if( menu.loc->type == k_ent_menuitem_type_slider && menu.loc->pf32 ){
 498          f32 move = 0.0f;
 499
 500          if( vg_input.display_input_method == k_input_method_controller ){
 501             move += button_press( k_srbind_mright );
 502             move -= button_press( k_srbind_mleft );
 503          }
 504          else{
 505             move += axis_state( k_sraxis_mbrowse_h );
 506          }
 507
 508          move *= vg.time_frame_delta;
 509          *menu.loc->pf32 = vg_clampf( *menu.loc->pf32 + move, 0.0f, 1.0f );
 510
 511          mh = 0;
 512       }
 513
 514       if( escape ){
 515          menu_back_page();
 516       }
 517       else if( enter ){
 518          menu_trigger_item( menu.loc );
 519       }
 520       else if( mh||mv ){
 521          v3f opt;
 522          v3_zero( opt );
 523          f32 best = 0.707f;
 524          ent_menuitem *nextpos = NULL;
 525
 526          opt[0] += mh;
 527          opt[2] += mv;
 528          mdl_transform_vector( &menu.cam->transform, opt, opt );
 529
 530          for( u32 i=0; i<4; i++ ){
 531             u32 id = menu.loc->id_links[i];
 532             if( !id ) continue;
 533             u32 index = mdl_entity_id_id( id );
 534
 535             ent_menuitem *other = mdl_arritm( &menu.items, index );
 536             v3f delta;
 537             v3_sub( menu.loc->transform.co, other->transform.co, delta );
 538             v3_normalize( delta );
 539
 540             f32 score = v3_dot( delta, opt );
 541             if( score > best ){
 542                best = score;
 543                nextpos = other;
 544             }
 545          }
 546
 547          if( nextpos ){
 548             menu.loc = nextpos;
 549          }
 550       }
 551    }
 552
 553    menu_setitem_type( menu.ctr_deck, k_ent_menuitem_type_disabled );
 554    menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_disabled );
 555    menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_disabled );
 556    menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_disabled );
 557    menu_setitem_type( menu.ctr_steam, k_ent_menuitem_type_disabled );
 558
 559    if( vg_input.display_input_method == k_input_method_kbm )
 560       menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_visual_nocol );
 561    else{
 562       if( vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS3 ||
 563           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS4 ||
 564           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS5 ){
 565          menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_visual_nocol );
 566       }
 567       else {
 568          menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_visual_nocol );
 569       }
 570       /* FIXME: Steam/Deck controller detection? */
 571    }
 572 }
 573
 574 static void menu_binding_string( char buf[128], u32 pstr );
 575
 576 /*
 577  * Run from vg_gui when active
 578  */
 579 static void menu_render(void){
 580    glEnable(GL_BLEND);
 581    glDisable(GL_DEPTH_TEST);
 582    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 583    glBlendEquation(GL_FUNC_ADD);
 584
 585    shader_blitcolour_use();
 586    v4f colour;
 587    ui_hex_to_norm( ui_colour( k_ui_bg+3 ), colour );
 588    colour[3] = 0.5f;
 589
 590    shader_blitcolour_uColour( colour );
 591    render_fsquad();
 592
 593    if( (workshop_form.page != k_workshop_form_hidden) ||
 594        (vg_ui.focused_control_type != k_ui_control_none) ){
 595       return;
 596    }
 597
 598    if( menu.credits_open ){
 599       ui_rect panel = { 0,0, 460, 400 },
 600               screen = { 0,0, vg.window_x,vg.window_y };
 601       ui_rect_center( screen, panel );
 602       ui_fill( panel, ui_colour(k_ui_bg) );
 603       ui_outline( panel, 1, ui_colour(k_ui_fg), 0 );
 604       ui_rect_pad( panel, (ui_px[]){8,8} );
 605
 606       ui_rect title;
 607       ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
 608       ui_text( title, "Skate Rift - Credits", 2, k_ui_align_middle_center, 0 );
 609       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 610       ui_text( title, "Mt.Zero Software", 1, k_ui_align_middle_center, 0 );
 611
 612       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 613       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 614       ui_text( title, "A game by Harry Godden", 1,
 615                k_ui_align_middle_center, 0 );
 616
 617       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 618       ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
 619       ui_text( title, "Free Software", 2, k_ui_align_middle_center, 0 );
 620
 621       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 622       ui_text( panel,
 623             "Sam Lantinga       - SDL2 - libsdl.org\n"
 624             "Hunter WB          - Anyascii\n"
 625             "David Herberth     - GLAD\n"
 626             "Dominic Szablewski - QOI - qoiformat.org\n"
 627             "Sean Barrett       - stb_image,stb_vorbis,stb_include\n"
 628             "Khronos Group      - OpenGL\n"
 629             , 1, k_ui_align_left, 0 );
 630       return;
 631    }
 632
 633    glEnable( GL_DEPTH_TEST );
 634    glDisable( GL_BLEND );
 635
 636    f32 rate = vg.time_frame_delta * 12.0f;
 637
 638    if( menu.cam ){
 639       camera target;
 640
 641       target.fov = menu.cam->fov;
 642       v3_copy( menu.cam->transform.co, target.pos );
 643
 644       v3f v0;
 645       mdl_transform_vector( &menu.cam->transform, (v3f){0.0f,-1.0f,0.0f}, v0 );
 646       v3_angles( v0, target.angles );
 647
 648       camera_lerp( &menu.view, &target, rate, &menu.view );
 649
 650       menu.view.farz = 150.0f;
 651       menu.view.nearz = 0.01f;
 652
 653       camera_update_transform( &menu.view );
 654       camera_update_view( &menu.view );
 655       camera_update_projection( &menu.view );
 656       camera_finalize( &menu.view );
 657    }
 658    else return;
 659
 660    shader_model_menu_use();
 661    shader_model_menu_uTexMain( 1 );
 662    glActiveTexture( GL_TEXTURE1 );
 663    glBindTexture( GL_TEXTURE_2D, menu.texture );
 664    shader_model_menu_uPv( menu.view.mtx.pv );
 665    shader_model_menu_uPvmPrev( menu.view.mtx_prev.pv );
 666
 667    mesh_bind( &menu.mesh );
 668
 669    v4f white, blue;
 670
 671    ui_hex_to_norm( ui_colour( k_ui_fg ), white );
 672    ui_hex_to_norm( ui_colour( k_ui_orange+k_ui_brighter ), blue );
 673
 674    ent_menuitem *text_list[ 8 ];
 675    u32 text_count = 0;
 676
 677    for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 678       ent_menuitem *item = mdl_arritm( &menu.items, i );
 679
 680       if(   item->type == k_ent_menuitem_type_disabled ) continue;
 681       if(   item->type == k_ent_menuitem_type_page ) continue;
 682       if( !(item->groups & (0x1 << menu.page)) ) continue;
 683
 684       if(   item->type == k_ent_menuitem_type_binding ){
 685          if( text_count < vg_list_size(text_list) )
 686             text_list[ text_count ++ ] = item;
 687          else
 688             vg_fatal_error( "Text list overflow" );
 689
 690          continue;
 691       }
 692
 693       int selected = 0;
 694
 695       if( menu.loc ){
 696          if( menu.loc->type == k_ent_menuitem_type_slider ){
 697             u32 subid = menu.loc->slider.id_handle;
 698             if( item == mdl_arritm( &menu.items, mdl_entity_id_id(subid) ))
 699                selected = 1;
 700          }
 701          else{
 702             if( item == menu.loc )
 703                selected = 1;
 704          }
 705       }
 706
 707       if( item->type == k_ent_menuitem_type_visual_nocol ){
 708          shader_model_menu_uColour( (v4f){1.0f,1.0f,1.0f,1.0f} );
 709       }
 710       else{
 711          v4f colour;
 712          item->factive = vg_lerpf( item->factive, selected, rate );
 713          v4_lerp( white, blue, item->factive, colour );
 714          shader_model_menu_uColour( colour );
 715       }
 716
 717       f32 scale = 1.0f+item->factive*0.1f;
 718
 719       m4x3f mmdl;
 720       mdl_transform transform = item->transform;
 721       v3_muls( transform.s, scale, transform.s );
 722       mdl_transform_m4x3( &transform, mmdl );
 723
 724       if( item->type == k_ent_menuitem_type_toggle && item->pi32 ){
 725          u32 subid = mdl_entity_id_id( item->checkmark.id_check );
 726          ent_menuitem *subitem = mdl_arritm( &menu.items, subid );
 727
 728          v3_muladds( item->transform.co, item->checkmark.offset, scale,
 729                      subitem->transform.co );
 730
 731          subitem->fvisible = vg_lerpf( subitem->fvisible, *item->pi32, rate );
 732          v3_fill( subitem->transform.s, subitem->fvisible );
 733       }
 734       else if( item->type == k_ent_menuitem_type_slider && item->pf32 ){
 735          u32 il = mdl_entity_id_id( item->slider.id_min ),
 736              ir = mdl_entity_id_id( item->slider.id_max ),
 737              ih = mdl_entity_id_id( item->slider.id_handle );
 738          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 739                     *mr = mdl_arritm( &menu.markers, ir );
 740          ent_menuitem *handle = mdl_arritm( &menu.items, ih );
 741
 742          v3_lerp( ml->transform.co, mr->transform.co, *item->pf32,
 743                   handle->transform.co );
 744       }
 745
 746       shader_model_menu_uMdl( mmdl );
 747
 748       for( u32 j=0; j<item->submesh_count; j++ ){
 749          u32 index = item->submesh_start + j;
 750          mdl_draw_submesh( mdl_arritm( &menu.model.submeshs, index ));
 751       }
 752    }
 753
 754    if( !text_count ) return;
 755
 756    char buf[ 128 ];
 757
 758    m4x3f local;
 759    m4x3_identity( local );
 760
 761    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &menu.view );
 762    for( u32 i=0; i<text_count; i++ ){
 763       ent_menuitem *item = text_list[ i ];
 764       m4x3f transform;
 765       mdl_transform_m4x3( &item->transform, transform );
 766
 767       u32 variant = item->binding.font_variant;
 768       menu_binding_string( buf, item->binding.pstr_bind );
 769       f32 offset = font3d_string_width( variant, buf );
 770
 771       local[3][0] = -0.5f * offset;
 772       m4x3_mul( transform, local, transform );
 773
 774       font3d_simple_draw( variant, buf, &menu.view, transform );
 775    }
 776 }
 777
 778 static void menu_binding_string( char buf[128], u32 pstr ){
 779    vg_str str;
 780    vg_strnull( &str, buf, 128 );
 781
 782    if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_jump" ) ){
 783       vg_input_string( &str, input_button_list[k_srbind_jump], 1 );
 784    }
 785    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick0" ) ){
 786       vg_strcat( &str, "SHUVIT " );
 787       vg_input_string( &str, input_button_list[k_srbind_trick0], 1 );
 788    }
 789    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick1" ) ){
 790       vg_strcat( &str, "KICKFLIP " );
 791       vg_input_string( &str, input_button_list[k_srbind_trick1], 1 );
 792    }
 793    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick2" ) ){
 794       vg_strcat( &str, "TREFLIP " );
 795       vg_input_string( &str, input_button_list[k_srbind_trick2], 1 );
 796    }
 797    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab" ) ){
 798       vg_input_string( &str, input_axis_list[k_sraxis_grab], 1 );
 799    }
 800    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab_mod" ) ){
 801       vg_input_string( &str, input_joy_list[k_srjoystick_grab], 1 );
 802    }
 803    else
 804       vg_strcat( &str, "error" );
 805 }
 806
 807 #endif /* MENU_H */