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, "reset" ) ){
 250          menu_close();
 251          ent_miniworld_goback();
 252       }
 253
 254       else if( MDL_CONST_PSTREQ( &menu.model, q, "credits" ) ){
 255          menu.credits_open = 1;
 256       }
 257       else if( MDL_CONST_PSTREQ( &menu.model, q, "workshop" ) ){
 258          workshop_submit_command(0,NULL);
 259       }
 260    }
 261    else if( item->type == k_ent_menuitem_type_page_button ){
 262       menu_open_page( mdl_pstr( &menu.model, item->button.pstr ),
 263                       item->button.stack_behaviour );
 264    }
 265    else if( item->type == k_ent_menuitem_type_toggle ){
 266       if( item->pi32 ){
 267          *item->pi32 = *item->pi32 ^ 0x1;
 268       }
 269    }
 270 }
 271
 272 static f32 menu_slider_snap( f32 value, f32 old, f32 notch ){
 273    f32 const k_epsilon = 0.0125f;
 274
 275    if( fabsf(notch-value) < k_epsilon ){
 276       if( fabsf(notch-old) > k_epsilon ){
 277          audio_lock();
 278          audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
 279          audio_unlock();
 280       }
 281
 282       return notch;
 283    }
 284    else
 285       return value;
 286 }
 287
 288 static void menu_setitem_type( ent_menuitem *item,
 289                                enum ent_menuitem_type type ){
 290    if( !item ) return;
 291    item->type = type;
 292 }
 293
 294 /*
 295  * Run from vg_gui every frame
 296  */
 297 static void menu_update(void){
 298    if( workshop_form.page != k_workshop_form_hidden ){
 299       return;
 300    }
 301
 302    int escape = button_down( k_srbind_mback );
 303    if( menu.credits_open ){
 304       if( escape ){
 305          menu.credits_open = 0;
 306       }
 307       return;
 308    }
 309
 310    if( button_down( k_srbind_mopen ) ){
 311       if( skaterift.activity == k_skaterift_default ){
 312          skaterift.activity = k_skaterift_menu;
 313          menu.page = 0xffffffff;
 314          menu_open_page( "Main Menu", k_ent_menuitem_stack_append );
 315          return;
 316       }
 317    }
 318
 319    if( skaterift.activity != k_skaterift_menu ) return;
 320    enum menu_input_mode prev_mode = menu.input_mode;
 321
 322    /* get buttons inputs
 323     * -------------------------------------------------------------------*/
 324    int ml = button_down( k_srbind_mleft ),
 325        mr = button_down( k_srbind_mright ),
 326        mu = button_down( k_srbind_mup ),
 327        md = button_down( k_srbind_mdown ),
 328        mh = ml-mr,
 329        mv = mu-md,
 330        enter = button_down( k_srbind_maccept );
 331
 332    if( mh||mv||enter ){
 333       menu.input_mode = k_menu_input_mode_keys;
 334    }
 335
 336    /* get mouse inputs
 337     * --------------------------------------------------------------------*/
 338    menu.mouse_dist += v2_length( vg.mouse_delta ); /* TODO: Move to UI */
 339    menu.mouse_track += vg.time_frame_delta;
 340    if( menu.mouse_track > 0.1f ){
 341       menu.mouse_track = fmodf( menu.mouse_track, 0.1f );
 342       if( menu.mouse_dist > 10.0f ){
 343          menu.input_mode = k_menu_input_mode_mouse;
 344          menu.mouse_dist = 0.0f;
 345       }
 346    }
 347
 348    if( ui_clicking(UI_MOUSE_LEFT) || ui_clicking(UI_MOUSE_RIGHT) ){
 349       menu.input_mode = k_menu_input_mode_mouse;
 350    }
 351
 352    if( menu.input_mode == k_menu_input_mode_mouse ){
 353       /*
 354        * handle mouse input
 355        * ------------------------------------------------------------*/
 356       vg_ui.wants_mouse = 1;
 357
 358       /*
 359        * this raycasting is super cumbersome because all the functions were
 360        * designed for other purposes. we dont care though.
 361        */
 362       m4x4f inverse;
 363       m4x4_inv( menu.view.mtx.p, inverse );
 364       v4f coords;
 365       coords[0] = vg_ui.mouse[0];
 366       coords[1] = vg.window_y - vg_ui.mouse[1];
 367       v2_div( coords, (v2f){ vg.window_x, vg.window_y }, coords );
 368       v2_muls( coords, 2.0f, coords );
 369       v2_add( coords, (v2f){-1.0f,-1.0f}, coords );
 370       coords[2] = 1.0f;
 371       coords[3] = 1.0f;
 372       m4x4_mulv( inverse, coords, coords );
 373       v3f ray;
 374       m3x3_mulv( menu.view.transform, coords, ray );
 375       v3_normalize( ray );
 376
 377       if( menu.loc && (menu.loc->type == k_ent_menuitem_type_slider) &&
 378           ui_clicking(UI_MOUSE_LEFT) && menu.loc->pf32 ){
 379
 380          u32 il = mdl_entity_id_id( menu.loc->slider.id_min ),
 381              ir = mdl_entity_id_id( menu.loc->slider.id_max );
 382          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 383                     *mr = mdl_arritm( &menu.markers, ir );
 384
 385          v3f q2;
 386          v3_muladds( menu.view.pos, ray, 100.0f, q2 );
 387
 388          f32 s,t;
 389          v3f c1, c2;
 390          v3f p1, q1, v0;
 391          v3_sub( mr->transform.co, ml->transform.co, v0 );
 392          v3_muladds( ml->transform.co, v0, -1.0f, p1 );
 393          v3_muladds( mr->transform.co, v0,  1.0f, q1 );
 394          closest_segment_segment( p1, q1, menu.view.pos, q2, &s,&t, c1,c2 );
 395
 396          s-=(1.0f/3.0f);
 397          s/=(1.0f/3.0f);
 398
 399          if( ui_click_down(UI_MOUSE_LEFT) ){
 400             menu.slider_offset = *menu.loc->pf32 - s;
 401          }
 402
 403          f32 newvalue = vg_clampf( s+menu.slider_offset, 0.0f, 1.0f );
 404
 405          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.00f );
 406          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 1.00f );
 407          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.25f );
 408          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.50f );
 409          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.75f );
 410
 411          *menu.loc->pf32 = newvalue;
 412          return;
 413       }
 414
 415       ent_menuitem *hit_item = NULL;
 416
 417       for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 418          ent_menuitem *item = mdl_arritm( &menu.items, i );
 419
 420          if( item->type == k_ent_menuitem_type_page ) continue;
 421          if( (item->type == k_ent_menuitem_type_visual) ||
 422              (item->type == k_ent_menuitem_type_visual_nocol) ) continue;
 423          if( item->type == k_ent_menuitem_type_binding ) continue;
 424          if( !(item->groups & (0x1<<menu.page)) ) continue;
 425
 426          ent_menuitem *ray_item = item;
 427
 428          if( item->type == k_ent_menuitem_type_slider ){
 429             u32 subtarget = mdl_entity_id_id( item->slider.id_handle );
 430             ray_item = mdl_arritm( &menu.items, subtarget );
 431          }
 432
 433          v3f local_ray,
 434              local_co;
 435
 436          m4x3f inverse_mtx;
 437          mdl_transform_m4x3( &ray_item->transform, inverse_mtx );
 438          m4x3_invert_full( inverse_mtx, inverse_mtx );
 439
 440          m4x3_mulv( inverse_mtx, menu.view.transform[3], local_co );
 441          m3x3_mulv( inverse_mtx, ray, local_ray );
 442          v3_normalize( local_ray );
 443
 444          local_ray[0] = 1.0f/local_ray[0];
 445          local_ray[1] = 1.0f/local_ray[1];
 446          local_ray[2] = 1.0f/local_ray[2];
 447
 448          for( u32 j=0; j<ray_item->submesh_count; j++ ){
 449             mdl_submesh *sm = mdl_arritm( &menu.model.submeshs,
 450                                            ray_item->submesh_start + j );
 451             if( ray_aabb1( sm->bbx, local_co, local_ray, 1000.0f ) ){
 452                hit_item = item;
 453                break;
 454             }
 455          }
 456       }
 457
 458       if( hit_item != menu.loc ){
 459          menu.loc = hit_item;
 460       }
 461
 462       if( escape ){
 463          menu_back_page();
 464       }
 465       else if( menu.loc ){
 466          if( ui_click_down( UI_MOUSE_LEFT ) ){
 467             menu_trigger_item( menu.loc );
 468          }
 469       }
 470    }
 471    else if( menu.input_mode == k_menu_input_mode_keys ){
 472       /*
 473        * handle button input
 474        * ------------------------------------------------------------*/
 475       if( (prev_mode != k_menu_input_mode_keys) && !menu.loc ){
 476          for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 477             ent_menuitem *item = mdl_arritm( &menu.items, i );
 478
 479             if( (item->type != k_ent_menuitem_type_page) &&
 480                 (item->type != k_ent_menuitem_type_visual) &&
 481                 (item->type != k_ent_menuitem_type_visual_nocol) &&
 482                 (item->groups & (0x1<<menu.page)) ){
 483                menu.loc = item;
 484             }
 485          }
 486       }
 487
 488       if( !menu.loc ) vg_fatal_error( "No location\n" );
 489
 490       if( menu.loc->type == k_ent_menuitem_type_slider && menu.loc->pf32 ){
 491          f32 move = 0.0f;
 492
 493          if( vg_input.display_input_method == k_input_method_controller ){
 494             move += button_press( k_srbind_mright );
 495             move -= button_press( k_srbind_mleft );
 496          }
 497          else{
 498             move += axis_state( k_sraxis_mbrowse_h );
 499          }
 500
 501          move *= vg.time_frame_delta;
 502          *menu.loc->pf32 = vg_clampf( *menu.loc->pf32 + move, 0.0f, 1.0f );
 503
 504          mh = 0;
 505       }
 506
 507       if( escape ){
 508          menu_back_page();
 509       }
 510       else if( enter ){
 511          menu_trigger_item( menu.loc );
 512       }
 513       else if( mh||mv ){
 514          v3f opt;
 515          v3_zero( opt );
 516          f32 best = 0.707f;
 517          ent_menuitem *nextpos = NULL;
 518
 519          opt[0] += mh;
 520          opt[2] += mv;
 521          mdl_transform_vector( &menu.cam->transform, opt, opt );
 522
 523          for( u32 i=0; i<4; i++ ){
 524             u32 id = menu.loc->id_links[i];
 525             if( !id ) continue;
 526             u32 index = mdl_entity_id_id( id );
 527
 528             ent_menuitem *other = mdl_arritm( &menu.items, index );
 529             v3f delta;
 530             v3_sub( menu.loc->transform.co, other->transform.co, delta );
 531             v3_normalize( delta );
 532
 533             f32 score = v3_dot( delta, opt );
 534             if( score > best ){
 535                best = score;
 536                nextpos = other;
 537             }
 538          }
 539
 540          if( nextpos ){
 541             menu.loc = nextpos;
 542          }
 543       }
 544    }
 545
 546    menu_setitem_type( menu.ctr_deck, k_ent_menuitem_type_disabled );
 547    menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_disabled );
 548    menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_disabled );
 549    menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_disabled );
 550    menu_setitem_type( menu.ctr_steam, k_ent_menuitem_type_disabled );
 551
 552    if( vg_input.display_input_method == k_input_method_kbm )
 553       menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_visual_nocol );
 554    else{
 555       if( vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS3 ||
 556           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS4 ||
 557           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS5 ){
 558          menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_visual_nocol );
 559       }
 560       else {
 561          menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_visual_nocol );
 562       }
 563       /* FIXME: Steam/Deck controller detection? */
 564    }
 565 }
 566
 567 static void menu_binding_string( char buf[128], u32 pstr );
 568
 569 /*
 570  * Run from vg_gui when active
 571  */
 572 static void menu_render(void){
 573    glEnable(GL_BLEND);
 574    glDisable(GL_DEPTH_TEST);
 575    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 576    glBlendEquation(GL_FUNC_ADD);
 577
 578    shader_blitcolour_use();
 579    v4f colour;
 580    ui_hex_to_norm( ui_colour( k_ui_bg+3 ), colour );
 581    colour[3] = 0.5f;
 582
 583    shader_blitcolour_uColour( colour );
 584    render_fsquad();
 585
 586    if( (workshop_form.page != k_workshop_form_hidden) ||
 587        (vg_ui.focused_control_type != k_ui_control_none) ){
 588       return;
 589    }
 590
 591    if( menu.credits_open ){
 592       ui_rect panel = { 0,0, 460, 400 },
 593               screen = { 0,0, vg.window_x,vg.window_y };
 594       ui_rect_center( screen, panel );
 595       ui_fill( panel, ui_colour(k_ui_bg) );
 596       ui_outline( panel, 1, ui_colour(k_ui_fg), 0 );
 597       ui_rect_pad( panel, (ui_px[]){8,8} );
 598
 599       ui_rect title;
 600       ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
 601       ui_text( title, "Skate Rift - Credits", 2, k_ui_align_middle_center, 0 );
 602       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 603       ui_text( title, "Mt.Zero Software", 1, k_ui_align_middle_center, 0 );
 604
 605       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 606       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 607       ui_text( title, "A game by Harry Godden", 1,
 608                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*2, 0, title, panel );
 612       ui_text( title, "Free Software", 2, k_ui_align_middle_center, 0 );
 613
 614       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 615       ui_text( panel,
 616             "Sam Lantinga       - SDL2 - libsdl.org\n"
 617             "Hunter WB          - Anyascii\n"
 618             "David Herberth     - GLAD\n"
 619             "Dominic Szablewski - QOI - qoiformat.org\n"
 620             "Sean Barrett       - stb_image,stb_vorbis,stb_include\n"
 621             "Khronos Group      - OpenGL\n"
 622             , 1, k_ui_align_left, 0 );
 623       return;
 624    }
 625
 626    glEnable( GL_DEPTH_TEST );
 627    glDisable( GL_BLEND );
 628
 629    f32 rate = vg.time_frame_delta * 12.0f;
 630
 631    if( menu.cam ){
 632       camera target;
 633
 634       target.fov = menu.cam->fov;
 635       v3_copy( menu.cam->transform.co, target.pos );
 636
 637       v3f v0;
 638       mdl_transform_vector( &menu.cam->transform, (v3f){0.0f,-1.0f,0.0f}, v0 );
 639       v3_angles( v0, target.angles );
 640
 641       camera_lerp( &menu.view, &target, rate, &menu.view );
 642
 643       menu.view.farz = 150.0f;
 644       menu.view.nearz = 0.01f;
 645
 646       camera_update_transform( &menu.view );
 647       camera_update_view( &menu.view );
 648       camera_update_projection( &menu.view );
 649       camera_finalize( &menu.view );
 650    }
 651    else return;
 652
 653    shader_model_menu_use();
 654    shader_model_menu_uTexMain( 1 );
 655    glActiveTexture( GL_TEXTURE1 );
 656    glBindTexture( GL_TEXTURE_2D, menu.texture );
 657    shader_model_menu_uPv( menu.view.mtx.pv );
 658    shader_model_menu_uPvmPrev( menu.view.mtx_prev.pv );
 659
 660    mesh_bind( &menu.mesh );
 661
 662    v4f white, blue;
 663
 664    ui_hex_to_norm( ui_colour( k_ui_fg ), white );
 665    ui_hex_to_norm( ui_colour( k_ui_orange+k_ui_brighter ), blue );
 666
 667    ent_menuitem *text_list[ 8 ];
 668    u32 text_count = 0;
 669
 670    for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 671       ent_menuitem *item = mdl_arritm( &menu.items, i );
 672
 673       if(   item->type == k_ent_menuitem_type_disabled ) continue;
 674       if(   item->type == k_ent_menuitem_type_page ) continue;
 675       if( !(item->groups & (0x1 << menu.page)) ) continue;
 676
 677       if(   item->type == k_ent_menuitem_type_binding ){
 678          if( text_count < vg_list_size(text_list) )
 679             text_list[ text_count ++ ] = item;
 680          else
 681             vg_fatal_error( "Text list overflow" );
 682
 683          continue;
 684       }
 685
 686       int selected = 0;
 687
 688       if( menu.loc ){
 689          if( menu.loc->type == k_ent_menuitem_type_slider ){
 690             u32 subid = menu.loc->slider.id_handle;
 691             if( item == mdl_arritm( &menu.items, mdl_entity_id_id(subid) ))
 692                selected = 1;
 693          }
 694          else{
 695             if( item == menu.loc )
 696                selected = 1;
 697          }
 698       }
 699
 700       if( item->type == k_ent_menuitem_type_visual_nocol ){
 701          shader_model_menu_uColour( (v4f){1.0f,1.0f,1.0f,1.0f} );
 702       }
 703       else{
 704          v4f colour;
 705          item->factive = vg_lerpf( item->factive, selected, rate );
 706          v4_lerp( white, blue, item->factive, colour );
 707          shader_model_menu_uColour( colour );
 708       }
 709
 710       f32 scale = 1.0f+item->factive*0.1f;
 711
 712       m4x3f mmdl;
 713       mdl_transform transform = item->transform;
 714       v3_muls( transform.s, scale, transform.s );
 715       mdl_transform_m4x3( &transform, mmdl );
 716
 717       if( item->type == k_ent_menuitem_type_toggle && item->pi32 ){
 718          u32 subid = mdl_entity_id_id( item->checkmark.id_check );
 719          ent_menuitem *subitem = mdl_arritm( &menu.items, subid );
 720
 721          v3_muladds( item->transform.co, item->checkmark.offset, scale,
 722                      subitem->transform.co );
 723
 724          subitem->fvisible = vg_lerpf( subitem->fvisible, *item->pi32, rate );
 725          v3_fill( subitem->transform.s, subitem->fvisible );
 726       }
 727       else if( item->type == k_ent_menuitem_type_slider && item->pf32 ){
 728          u32 il = mdl_entity_id_id( item->slider.id_min ),
 729              ir = mdl_entity_id_id( item->slider.id_max ),
 730              ih = mdl_entity_id_id( item->slider.id_handle );
 731          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 732                     *mr = mdl_arritm( &menu.markers, ir );
 733          ent_menuitem *handle = mdl_arritm( &menu.items, ih );
 734
 735          v3_lerp( ml->transform.co, mr->transform.co, *item->pf32,
 736                   handle->transform.co );
 737       }
 738
 739       shader_model_menu_uMdl( mmdl );
 740
 741       for( u32 j=0; j<item->submesh_count; j++ ){
 742          u32 index = item->submesh_start + j;
 743          mdl_draw_submesh( mdl_arritm( &menu.model.submeshs, index ));
 744       }
 745    }
 746
 747    if( !text_count ) return;
 748
 749    char buf[ 128 ];
 750
 751    m4x3f local;
 752    m4x3_identity( local );
 753
 754    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &menu.view );
 755    for( u32 i=0; i<text_count; i++ ){
 756       ent_menuitem *item = text_list[ i ];
 757       m4x3f transform;
 758       mdl_transform_m4x3( &item->transform, transform );
 759
 760       u32 variant = item->binding.font_variant;
 761       menu_binding_string( buf, item->binding.pstr_bind );
 762       f32 offset = font3d_string_width( variant, buf );
 763
 764       local[3][0] = -0.5f * offset;
 765       m4x3_mul( transform, local, transform );
 766
 767       font3d_simple_draw( variant, buf, &menu.view, transform );
 768    }
 769 }
 770
 771 static void menu_binding_string( char buf[128], u32 pstr ){
 772    vg_str str;
 773    vg_strnull( &str, buf, 128 );
 774
 775    if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_jump" ) ){
 776       vg_input_string( &str, input_button_list[k_srbind_jump], 1 );
 777    }
 778    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick0" ) ){
 779       vg_strcat( &str, "SHUVIT " );
 780       vg_input_string( &str, input_button_list[k_srbind_trick0], 1 );
 781    }
 782    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick1" ) ){
 783       vg_strcat( &str, "KICKFLIP " );
 784       vg_input_string( &str, input_button_list[k_srbind_trick1], 1 );
 785    }
 786    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick2" ) ){
 787       vg_strcat( &str, "TREFLIP " );
 788       vg_input_string( &str, input_button_list[k_srbind_trick2], 1 );
 789    }
 790    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab" ) ){
 791       vg_input_string( &str, input_axis_list[k_sraxis_grab], 1 );
 792    }
 793    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab_mod" ) ){
 794       vg_input_string( &str, input_joy_list[k_srjoystick_grab], 1 );
 795    }
 796    else
 797       vg_strcat( &str, "error" );
 798 }
 799
 800 #endif /* MENU_H */