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