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 );
 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          srinput.state = k_input_state_resume;
 256          menu_close();
 257          ent_miniworld_goback();
 258       }
 259       else if( MDL_CONST_PSTREQ( &menu.model, q, "credits" ) ){
 260          menu.credits_open = 1;
 261       }
 262       else if( MDL_CONST_PSTREQ( &menu.model, q, "workshop" ) ){
 263          workshop_submit_command(0,NULL);
 264       }
 265    }
 266    else if( item->type == k_ent_menuitem_type_page_button ){
 267       menu_open_page( mdl_pstr( &menu.model, item->button.pstr ),
 268                       item->button.stack_behaviour );
 269    }
 270    else if( item->type == k_ent_menuitem_type_toggle ){
 271       if( item->pi32 ){
 272          *item->pi32 = *item->pi32 ^ 0x1;
 273       }
 274    }
 275 }
 276
 277 static f32 menu_slider_snap( f32 value, f32 old, f32 notch ){
 278    f32 const k_epsilon = 0.0125f;
 279
 280    if( fabsf(notch-value) < k_epsilon ){
 281       if( fabsf(notch-old) > k_epsilon ){
 282          audio_lock();
 283          audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
 284          audio_unlock();
 285       }
 286
 287       return notch;
 288    }
 289    else
 290       return value;
 291 }
 292
 293 static void menu_setitem_type( ent_menuitem *item,
 294                                enum ent_menuitem_type type ){
 295    if( !item ) return;
 296    item->type = type;
 297 }
 298
 299 /*
 300  * Run from vg_gui every frame
 301  */
 302 static void menu_update(void){
 303    if( workshop_form.page != k_workshop_form_hidden ){
 304       return;
 305    }
 306
 307    int escape = button_down( k_srbind_mback );
 308    if( menu.credits_open ){
 309       if( escape ){
 310          menu.credits_open = 0;
 311       }
 312       return;
 313    }
 314
 315    if( button_down( k_srbind_mopen ) ){
 316       if( skaterift.activity == k_skaterift_default ){
 317          skaterift.activity = k_skaterift_menu;
 318          menu.page = 0xffffffff;
 319          menu_open_page( "Main Menu", k_ent_menuitem_stack_append );
 320          return;
 321       }
 322    }
 323
 324    if( skaterift.activity != k_skaterift_menu ) return;
 325    enum menu_input_mode prev_mode = menu.input_mode;
 326
 327    /* get buttons inputs
 328     * -------------------------------------------------------------------*/
 329    int ml = button_down( k_srbind_mleft ),
 330        mr = button_down( k_srbind_mright ),
 331        mu = button_down( k_srbind_mup ),
 332        md = button_down( k_srbind_mdown ),
 333        mh = ml-mr,
 334        mv = mu-md,
 335        enter = button_down( k_srbind_maccept );
 336
 337    if( mh||mv||enter ){
 338       menu.input_mode = k_menu_input_mode_keys;
 339    }
 340
 341    /* get mouse inputs
 342     * --------------------------------------------------------------------*/
 343    menu.mouse_dist += v2_length( vg.mouse_delta ); /* TODO: Move to UI */
 344    menu.mouse_track += vg.time_frame_delta;
 345    if( menu.mouse_track > 0.1f ){
 346       menu.mouse_track = fmodf( menu.mouse_track, 0.1f );
 347       if( menu.mouse_dist > 10.0f ){
 348          menu.input_mode = k_menu_input_mode_mouse;
 349          menu.mouse_dist = 0.0f;
 350       }
 351    }
 352
 353    if( ui_clicking(UI_MOUSE_LEFT) || ui_clicking(UI_MOUSE_RIGHT) ){
 354       menu.input_mode = k_menu_input_mode_mouse;
 355    }
 356
 357    if( menu.input_mode == k_menu_input_mode_mouse ){
 358       /*
 359        * handle mouse input
 360        * ------------------------------------------------------------*/
 361       vg_ui.wants_mouse = 1;
 362
 363       /*
 364        * this raycasting is super cumbersome because all the functions were
 365        * designed for other purposes. we dont care though.
 366        */
 367       m4x4f inverse;
 368       m4x4_inv( menu.view.mtx.p, inverse );
 369       v4f coords;
 370       coords[0] = vg_ui.mouse[0];
 371       coords[1] = vg.window_y - vg_ui.mouse[1];
 372       v2_div( coords, (v2f){ vg.window_x, vg.window_y }, coords );
 373       v2_muls( coords, 2.0f, coords );
 374       v2_add( coords, (v2f){-1.0f,-1.0f}, coords );
 375       coords[2] = 1.0f;
 376       coords[3] = 1.0f;
 377       m4x4_mulv( inverse, coords, coords );
 378       v3f ray;
 379       m3x3_mulv( menu.view.transform, coords, ray );
 380       v3_normalize( ray );
 381
 382       if( menu.loc && (menu.loc->type == k_ent_menuitem_type_slider) &&
 383           ui_clicking(UI_MOUSE_LEFT) && menu.loc->pf32 ){
 384
 385          u32 il = mdl_entity_id_id( menu.loc->slider.id_min ),
 386              ir = mdl_entity_id_id( menu.loc->slider.id_max );
 387          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 388                     *mr = mdl_arritm( &menu.markers, ir );
 389
 390          v3f q2;
 391          v3_muladds( menu.view.pos, ray, 100.0f, q2 );
 392
 393          f32 s,t;
 394          v3f c1, c2;
 395          v3f p1, q1, v0;
 396          v3_sub( mr->transform.co, ml->transform.co, v0 );
 397          v3_muladds( ml->transform.co, v0, -1.0f, p1 );
 398          v3_muladds( mr->transform.co, v0,  1.0f, q1 );
 399          closest_segment_segment( p1, q1, menu.view.pos, q2, &s,&t, c1,c2 );
 400
 401          s-=(1.0f/3.0f);
 402          s/=(1.0f/3.0f);
 403
 404          if( ui_click_down(UI_MOUSE_LEFT) ){
 405             menu.slider_offset = *menu.loc->pf32 - s;
 406          }
 407
 408          f32 newvalue = vg_clampf( s+menu.slider_offset, 0.0f, 1.0f );
 409
 410          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.00f );
 411          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 1.00f );
 412          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.25f );
 413          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.50f );
 414          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.75f );
 415
 416          *menu.loc->pf32 = newvalue;
 417          return;
 418       }
 419
 420       ent_menuitem *hit_item = NULL;
 421
 422       for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 423          ent_menuitem *item = mdl_arritm( &menu.items, i );
 424
 425          if( item->type == k_ent_menuitem_type_page ) continue;
 426          if( (item->type == k_ent_menuitem_type_visual) ||
 427              (item->type == k_ent_menuitem_type_visual_nocol) ) continue;
 428          if( item->type == k_ent_menuitem_type_binding ) continue;
 429          if( !(item->groups & (0x1<<menu.page)) ) continue;
 430
 431          ent_menuitem *ray_item = item;
 432
 433          if( item->type == k_ent_menuitem_type_slider ){
 434             u32 subtarget = mdl_entity_id_id( item->slider.id_handle );
 435             ray_item = mdl_arritm( &menu.items, subtarget );
 436          }
 437
 438          v3f local_ray,
 439              local_co;
 440
 441          m4x3f inverse_mtx;
 442          mdl_transform_m4x3( &ray_item->transform, inverse_mtx );
 443          m4x3_invert_full( inverse_mtx, inverse_mtx );
 444
 445          m4x3_mulv( inverse_mtx, menu.view.transform[3], local_co );
 446          m3x3_mulv( inverse_mtx, ray, local_ray );
 447          v3_normalize( local_ray );
 448
 449          local_ray[0] = 1.0f/local_ray[0];
 450          local_ray[1] = 1.0f/local_ray[1];
 451          local_ray[2] = 1.0f/local_ray[2];
 452
 453          for( u32 j=0; j<ray_item->submesh_count; j++ ){
 454             mdl_submesh *sm = mdl_arritm( &menu.model.submeshs,
 455                                            ray_item->submesh_start + j );
 456             if( ray_aabb1( sm->bbx, local_co, local_ray, 1000.0f ) ){
 457                hit_item = item;
 458                break;
 459             }
 460          }
 461       }
 462
 463       if( hit_item != menu.loc ){
 464          menu.loc = hit_item;
 465       }
 466
 467       if( escape ){
 468          menu_back_page();
 469       }
 470       else if( menu.loc ){
 471          if( ui_click_down( UI_MOUSE_LEFT ) ){
 472             menu_trigger_item( menu.loc );
 473          }
 474       }
 475    }
 476    else if( menu.input_mode == k_menu_input_mode_keys ){
 477       /*
 478        * handle button input
 479        * ------------------------------------------------------------*/
 480       if( (prev_mode != k_menu_input_mode_keys) && !menu.loc ){
 481          for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 482             ent_menuitem *item = mdl_arritm( &menu.items, i );
 483
 484             if( (item->type != k_ent_menuitem_type_page) &&
 485                 (item->type != k_ent_menuitem_type_visual) &&
 486                 (item->type != k_ent_menuitem_type_visual_nocol) &&
 487                 (item->groups & (0x1<<menu.page)) ){
 488                menu.loc = item;
 489             }
 490          }
 491       }
 492
 493       if( !menu.loc ) vg_fatal_error( "No location\n" );
 494
 495       if( menu.loc->type == k_ent_menuitem_type_slider && menu.loc->pf32 ){
 496          f32 move = 0.0f;
 497
 498          if( vg_input.display_input_method == k_input_method_controller ){
 499             move += button_press( k_srbind_mright );
 500             move -= button_press( k_srbind_mleft );
 501          }
 502          else{
 503             move += axis_state( k_sraxis_mbrowse_h );
 504          }
 505
 506          move *= vg.time_frame_delta;
 507          *menu.loc->pf32 = vg_clampf( *menu.loc->pf32 + move, 0.0f, 1.0f );
 508
 509          mh = 0;
 510       }
 511
 512       if( escape ){
 513          menu_back_page();
 514       }
 515       else if( enter ){
 516          menu_trigger_item( menu.loc );
 517       }
 518       else if( mh||mv ){
 519          v3f opt;
 520          v3_zero( opt );
 521          f32 best = 0.707f;
 522          ent_menuitem *nextpos = NULL;
 523
 524          opt[0] += mh;
 525          opt[2] += mv;
 526          mdl_transform_vector( &menu.cam->transform, opt, opt );
 527
 528          for( u32 i=0; i<4; i++ ){
 529             u32 id = menu.loc->id_links[i];
 530             if( !id ) continue;
 531             u32 index = mdl_entity_id_id( id );
 532
 533             ent_menuitem *other = mdl_arritm( &menu.items, index );
 534             v3f delta;
 535             v3_sub( menu.loc->transform.co, other->transform.co, delta );
 536             v3_normalize( delta );
 537
 538             f32 score = v3_dot( delta, opt );
 539             if( score > best ){
 540                best = score;
 541                nextpos = other;
 542             }
 543          }
 544
 545          if( nextpos ){
 546             menu.loc = nextpos;
 547          }
 548       }
 549    }
 550
 551    menu_setitem_type( menu.ctr_deck, k_ent_menuitem_type_disabled );
 552    menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_disabled );
 553    menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_disabled );
 554    menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_disabled );
 555    menu_setitem_type( menu.ctr_steam, k_ent_menuitem_type_disabled );
 556
 557    if( vg_input.display_input_method == k_input_method_kbm )
 558       menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_visual_nocol );
 559    else{
 560       if( vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS3 ||
 561           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS4 ||
 562           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS5 ){
 563          menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_visual_nocol );
 564       }
 565       else {
 566          menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_visual_nocol );
 567       }
 568       /* FIXME: Steam/Deck controller detection? */
 569    }
 570 }
 571
 572 static void menu_binding_string( char buf[128], u32 pstr );
 573
 574 /*
 575  * Run from vg_gui when active
 576  */
 577 static void menu_render(void){
 578    glEnable(GL_BLEND);
 579    glDisable(GL_DEPTH_TEST);
 580    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 581    glBlendEquation(GL_FUNC_ADD);
 582
 583    shader_blitcolour_use();
 584    v4f colour;
 585    ui_hex_to_norm( ui_colour( k_ui_bg+3 ), colour );
 586    colour[3] = 0.5f;
 587
 588    shader_blitcolour_uColour( colour );
 589    render_fsquad();
 590
 591    if( (workshop_form.page != k_workshop_form_hidden) ||
 592        (vg_ui.focused_control_type != k_ui_control_none) ){
 593       return;
 594    }
 595
 596    if( menu.credits_open ){
 597       ui_rect panel = { 0,0, 460, 400 },
 598               screen = { 0,0, vg.window_x,vg.window_y };
 599       ui_rect_center( screen, panel );
 600       ui_fill( panel, ui_colour(k_ui_bg) );
 601       ui_outline( panel, 1, ui_colour(k_ui_fg), 0 );
 602       ui_rect_pad( panel, (ui_px[]){8,8} );
 603
 604       ui_rect title;
 605       ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
 606       ui_text( title, "Skate Rift - Credits", 2, k_ui_align_middle_center, 0 );
 607       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 608       ui_text( title, "Mt.Zero Software", 1, k_ui_align_middle_center, 0 );
 609
 610       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 611       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 612       ui_text( title, "A game by Harry Godden", 1,
 613                k_ui_align_middle_center, 0 );
 614
 615       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 616       ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
 617       ui_text( title, "Free Software", 2, k_ui_align_middle_center, 0 );
 618
 619       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 620       ui_text( panel,
 621             "Sam Lantinga       - SDL2 - libsdl.org\n"
 622             "Hunter WB          - Anyascii\n"
 623             "David Herberth     - GLAD\n"
 624             "Dominic Szablewski - QOI - qoiformat.org\n"
 625             "Sean Barrett       - stb_image,stb_vorbis,stb_include\n"
 626             "Khronos Group      - OpenGL\n"
 627             , 1, k_ui_align_left, 0 );
 628       return;
 629    }
 630
 631    glEnable( GL_DEPTH_TEST );
 632    glDisable( GL_BLEND );
 633
 634    f32 rate = vg.time_frame_delta * 12.0f;
 635
 636    if( menu.cam ){
 637       camera target;
 638
 639       target.fov = menu.cam->fov;
 640       v3_copy( menu.cam->transform.co, target.pos );
 641
 642       v3f v0;
 643       mdl_transform_vector( &menu.cam->transform, (v3f){0.0f,-1.0f,0.0f}, v0 );
 644       v3_angles( v0, target.angles );
 645
 646       camera_lerp( &menu.view, &target, rate, &menu.view );
 647
 648       menu.view.farz = 150.0f;
 649       menu.view.nearz = 0.01f;
 650
 651       camera_update_transform( &menu.view );
 652       camera_update_view( &menu.view );
 653       camera_update_projection( &menu.view );
 654       camera_finalize( &menu.view );
 655    }
 656    else return;
 657
 658    shader_model_menu_use();
 659    shader_model_menu_uTexMain( 1 );
 660    glActiveTexture( GL_TEXTURE1 );
 661    glBindTexture( GL_TEXTURE_2D, menu.texture );
 662    shader_model_menu_uPv( menu.view.mtx.pv );
 663    shader_model_menu_uPvmPrev( menu.view.mtx_prev.pv );
 664
 665    mesh_bind( &menu.mesh );
 666
 667    v4f white, blue;
 668
 669    ui_hex_to_norm( ui_colour( k_ui_fg ), white );
 670    ui_hex_to_norm( ui_colour( k_ui_orange+k_ui_brighter ), blue );
 671
 672    ent_menuitem *text_list[ 8 ];
 673    u32 text_count = 0;
 674
 675    for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 676       ent_menuitem *item = mdl_arritm( &menu.items, i );
 677
 678       if(   item->type == k_ent_menuitem_type_disabled ) continue;
 679       if(   item->type == k_ent_menuitem_type_page ) continue;
 680       if( !(item->groups & (0x1 << menu.page)) ) continue;
 681
 682       if(   item->type == k_ent_menuitem_type_binding ){
 683          if( text_count < vg_list_size(text_list) )
 684             text_list[ text_count ++ ] = item;
 685          else
 686             vg_fatal_error( "Text list overflow" );
 687
 688          continue;
 689       }
 690
 691       int selected = 0;
 692
 693       if( menu.loc ){
 694          if( menu.loc->type == k_ent_menuitem_type_slider ){
 695             u32 subid = menu.loc->slider.id_handle;
 696             if( item == mdl_arritm( &menu.items, mdl_entity_id_id(subid) ))
 697                selected = 1;
 698          }
 699          else{
 700             if( item == menu.loc )
 701                selected = 1;
 702          }
 703       }
 704
 705       if( item->type == k_ent_menuitem_type_visual_nocol ){
 706          shader_model_menu_uColour( (v4f){1.0f,1.0f,1.0f,1.0f} );
 707       }
 708       else{
 709          v4f colour;
 710          item->factive = vg_lerpf( item->factive, selected, rate );
 711          v4_lerp( white, blue, item->factive, colour );
 712          shader_model_menu_uColour( colour );
 713       }
 714
 715       f32 scale = 1.0f+item->factive*0.1f;
 716
 717       m4x3f mmdl;
 718       mdl_transform transform = item->transform;
 719       v3_muls( transform.s, scale, transform.s );
 720       mdl_transform_m4x3( &transform, mmdl );
 721
 722       if( item->type == k_ent_menuitem_type_toggle && item->pi32 ){
 723          u32 subid = mdl_entity_id_id( item->checkmark.id_check );
 724          ent_menuitem *subitem = mdl_arritm( &menu.items, subid );
 725
 726          v3_muladds( item->transform.co, item->checkmark.offset, scale,
 727                      subitem->transform.co );
 728
 729          subitem->fvisible = vg_lerpf( subitem->fvisible, *item->pi32, rate );
 730          v3_fill( subitem->transform.s, subitem->fvisible );
 731       }
 732       else if( item->type == k_ent_menuitem_type_slider && item->pf32 ){
 733          u32 il = mdl_entity_id_id( item->slider.id_min ),
 734              ir = mdl_entity_id_id( item->slider.id_max ),
 735              ih = mdl_entity_id_id( item->slider.id_handle );
 736          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 737                     *mr = mdl_arritm( &menu.markers, ir );
 738          ent_menuitem *handle = mdl_arritm( &menu.items, ih );
 739
 740          v3_lerp( ml->transform.co, mr->transform.co, *item->pf32,
 741                   handle->transform.co );
 742       }
 743
 744       shader_model_menu_uMdl( mmdl );
 745
 746       for( u32 j=0; j<item->submesh_count; j++ ){
 747          u32 index = item->submesh_start + j;
 748          mdl_draw_submesh( mdl_arritm( &menu.model.submeshs, index ));
 749       }
 750    }
 751
 752    if( !text_count ) return;
 753
 754    char buf[ 128 ];
 755
 756    m4x3f local;
 757    m4x3_identity( local );
 758
 759    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &menu.view );
 760    for( u32 i=0; i<text_count; i++ ){
 761       ent_menuitem *item = text_list[ i ];
 762       m4x3f transform;
 763       mdl_transform_m4x3( &item->transform, transform );
 764
 765       u32 variant = item->binding.font_variant;
 766       menu_binding_string( buf, item->binding.pstr_bind );
 767       f32 offset = font3d_string_width( variant, buf );
 768
 769       local[3][0] = -0.5f * offset;
 770       m4x3_mul( transform, local, transform );
 771
 772       font3d_simple_draw( variant, buf, &menu.view, transform );
 773    }
 774 }
 775
 776 static void menu_binding_string( char buf[128], u32 pstr ){
 777    vg_str str;
 778    vg_strnull( &str, buf, 128 );
 779
 780    if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_jump" ) ){
 781       vg_input_string( &str, input_button_list[k_srbind_jump], 1 );
 782    }
 783    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick0" ) ){
 784       vg_strcat( &str, "SHUVIT " );
 785       vg_input_string( &str, input_button_list[k_srbind_trick0], 1 );
 786    }
 787    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick1" ) ){
 788       vg_strcat( &str, "KICKFLIP " );
 789       vg_input_string( &str, input_button_list[k_srbind_trick1], 1 );
 790    }
 791    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick2" ) ){
 792       vg_strcat( &str, "TREFLIP " );
 793       vg_input_string( &str, input_button_list[k_srbind_trick2], 1 );
 794    }
 795    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab" ) ){
 796       vg_input_string( &str, input_axis_list[k_sraxis_grab], 1 );
 797    }
 798    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab_mod" ) ){
 799       vg_input_string( &str, input_joy_list[k_srjoystick_grab], 1 );
 800    }
 801    else
 802       vg_strcat( &str, "error" );
 803 }
 804
 805 #endif /* MENU_H */