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          srinput.state = k_input_state_resume;
 251          menu_close();
 252          ent_miniworld_goback();
 253       }
 254
 255       else if( MDL_CONST_PSTREQ( &menu.model, q, "credits" ) ){
 256          menu.credits_open = 1;
 257       }
 258       else if( MDL_CONST_PSTREQ( &menu.model, q, "workshop" ) ){
 259          workshop_submit_command(0,NULL);
 260       }
 261    }
 262    else if( item->type == k_ent_menuitem_type_page_button ){
 263       menu_open_page( mdl_pstr( &menu.model, item->button.pstr ),
 264                       item->button.stack_behaviour );
 265    }
 266    else if( item->type == k_ent_menuitem_type_toggle ){
 267       if( item->pi32 ){
 268          *item->pi32 = *item->pi32 ^ 0x1;
 269       }
 270    }
 271 }
 272
 273 static f32 menu_slider_snap( f32 value, f32 old, f32 notch ){
 274    f32 const k_epsilon = 0.0125f;
 275
 276    if( fabsf(notch-value) < k_epsilon ){
 277       if( fabsf(notch-old) > k_epsilon ){
 278          audio_lock();
 279          audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
 280          audio_unlock();
 281       }
 282
 283       return notch;
 284    }
 285    else
 286       return value;
 287 }
 288
 289 static void menu_setitem_type( ent_menuitem *item,
 290                                enum ent_menuitem_type type ){
 291    if( !item ) return;
 292    item->type = type;
 293 }
 294
 295 /*
 296  * Run from vg_gui every frame
 297  */
 298 static void menu_update(void){
 299    if( workshop_form.page != k_workshop_form_hidden ){
 300       return;
 301    }
 302
 303    int escape = button_down( k_srbind_mback );
 304    if( menu.credits_open ){
 305       if( escape ){
 306          menu.credits_open = 0;
 307       }
 308       return;
 309    }
 310
 311    if( button_down( k_srbind_mopen ) ){
 312       if( skaterift.activity == k_skaterift_default ){
 313          skaterift.activity = k_skaterift_menu;
 314          menu.page = 0xffffffff;
 315          menu_open_page( "Main Menu", k_ent_menuitem_stack_append );
 316          return;
 317       }
 318    }
 319
 320    if( skaterift.activity != k_skaterift_menu ) return;
 321    enum menu_input_mode prev_mode = menu.input_mode;
 322
 323    /* get buttons inputs
 324     * -------------------------------------------------------------------*/
 325    int ml = button_down( k_srbind_mleft ),
 326        mr = button_down( k_srbind_mright ),
 327        mu = button_down( k_srbind_mup ),
 328        md = button_down( k_srbind_mdown ),
 329        mh = ml-mr,
 330        mv = mu-md,
 331        enter = button_down( k_srbind_maccept );
 332
 333    if( mh||mv||enter ){
 334       menu.input_mode = k_menu_input_mode_keys;
 335    }
 336
 337    /* get mouse inputs
 338     * --------------------------------------------------------------------*/
 339    menu.mouse_dist += v2_length( vg.mouse_delta ); /* TODO: Move to UI */
 340    menu.mouse_track += vg.time_frame_delta;
 341    if( menu.mouse_track > 0.1f ){
 342       menu.mouse_track = fmodf( menu.mouse_track, 0.1f );
 343       if( menu.mouse_dist > 10.0f ){
 344          menu.input_mode = k_menu_input_mode_mouse;
 345          menu.mouse_dist = 0.0f;
 346       }
 347    }
 348
 349    if( ui_clicking(UI_MOUSE_LEFT) || ui_clicking(UI_MOUSE_RIGHT) ){
 350       menu.input_mode = k_menu_input_mode_mouse;
 351    }
 352
 353    if( menu.input_mode == k_menu_input_mode_mouse ){
 354       /*
 355        * handle mouse input
 356        * ------------------------------------------------------------*/
 357       vg_ui.wants_mouse = 1;
 358
 359       /*
 360        * this raycasting is super cumbersome because all the functions were
 361        * designed for other purposes. we dont care though.
 362        */
 363       m4x4f inverse;
 364       m4x4_inv( menu.view.mtx.p, inverse );
 365       v4f coords;
 366       coords[0] = vg_ui.mouse[0];
 367       coords[1] = vg.window_y - vg_ui.mouse[1];
 368       v2_div( coords, (v2f){ vg.window_x, vg.window_y }, coords );
 369       v2_muls( coords, 2.0f, coords );
 370       v2_add( coords, (v2f){-1.0f,-1.0f}, coords );
 371       coords[2] = 1.0f;
 372       coords[3] = 1.0f;
 373       m4x4_mulv( inverse, coords, coords );
 374       v3f ray;
 375       m3x3_mulv( menu.view.transform, coords, ray );
 376       v3_normalize( ray );
 377
 378       if( menu.loc && (menu.loc->type == k_ent_menuitem_type_slider) &&
 379           ui_clicking(UI_MOUSE_LEFT) && menu.loc->pf32 ){
 380
 381          u32 il = mdl_entity_id_id( menu.loc->slider.id_min ),
 382              ir = mdl_entity_id_id( menu.loc->slider.id_max );
 383          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 384                     *mr = mdl_arritm( &menu.markers, ir );
 385
 386          v3f q2;
 387          v3_muladds( menu.view.pos, ray, 100.0f, q2 );
 388
 389          f32 s,t;
 390          v3f c1, c2;
 391          v3f p1, q1, v0;
 392          v3_sub( mr->transform.co, ml->transform.co, v0 );
 393          v3_muladds( ml->transform.co, v0, -1.0f, p1 );
 394          v3_muladds( mr->transform.co, v0,  1.0f, q1 );
 395          closest_segment_segment( p1, q1, menu.view.pos, q2, &s,&t, c1,c2 );
 396
 397          s-=(1.0f/3.0f);
 398          s/=(1.0f/3.0f);
 399
 400          if( ui_click_down(UI_MOUSE_LEFT) ){
 401             menu.slider_offset = *menu.loc->pf32 - s;
 402          }
 403
 404          f32 newvalue = vg_clampf( s+menu.slider_offset, 0.0f, 1.0f );
 405
 406          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.00f );
 407          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 1.00f );
 408          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.25f );
 409          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.50f );
 410          newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.75f );
 411
 412          *menu.loc->pf32 = newvalue;
 413          return;
 414       }
 415
 416       ent_menuitem *hit_item = NULL;
 417
 418       for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 419          ent_menuitem *item = mdl_arritm( &menu.items, i );
 420
 421          if( item->type == k_ent_menuitem_type_page ) continue;
 422          if( (item->type == k_ent_menuitem_type_visual) ||
 423              (item->type == k_ent_menuitem_type_visual_nocol) ) continue;
 424          if( item->type == k_ent_menuitem_type_binding ) continue;
 425          if( !(item->groups & (0x1<<menu.page)) ) continue;
 426
 427          ent_menuitem *ray_item = item;
 428
 429          if( item->type == k_ent_menuitem_type_slider ){
 430             u32 subtarget = mdl_entity_id_id( item->slider.id_handle );
 431             ray_item = mdl_arritm( &menu.items, subtarget );
 432          }
 433
 434          v3f local_ray,
 435              local_co;
 436
 437          m4x3f inverse_mtx;
 438          mdl_transform_m4x3( &ray_item->transform, inverse_mtx );
 439          m4x3_invert_full( inverse_mtx, inverse_mtx );
 440
 441          m4x3_mulv( inverse_mtx, menu.view.transform[3], local_co );
 442          m3x3_mulv( inverse_mtx, ray, local_ray );
 443          v3_normalize( local_ray );
 444
 445          local_ray[0] = 1.0f/local_ray[0];
 446          local_ray[1] = 1.0f/local_ray[1];
 447          local_ray[2] = 1.0f/local_ray[2];
 448
 449          for( u32 j=0; j<ray_item->submesh_count; j++ ){
 450             mdl_submesh *sm = mdl_arritm( &menu.model.submeshs,
 451                                            ray_item->submesh_start + j );
 452             if( ray_aabb1( sm->bbx, local_co, local_ray, 1000.0f ) ){
 453                hit_item = item;
 454                break;
 455             }
 456          }
 457       }
 458
 459       if( hit_item != menu.loc ){
 460          menu.loc = hit_item;
 461       }
 462
 463       if( escape ){
 464          menu_back_page();
 465       }
 466       else if( menu.loc ){
 467          if( ui_click_down( UI_MOUSE_LEFT ) ){
 468             menu_trigger_item( menu.loc );
 469          }
 470       }
 471    }
 472    else if( menu.input_mode == k_menu_input_mode_keys ){
 473       /*
 474        * handle button input
 475        * ------------------------------------------------------------*/
 476       if( (prev_mode != k_menu_input_mode_keys) && !menu.loc ){
 477          for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 478             ent_menuitem *item = mdl_arritm( &menu.items, i );
 479
 480             if( (item->type != k_ent_menuitem_type_page) &&
 481                 (item->type != k_ent_menuitem_type_visual) &&
 482                 (item->type != k_ent_menuitem_type_visual_nocol) &&
 483                 (item->groups & (0x1<<menu.page)) ){
 484                menu.loc = item;
 485             }
 486          }
 487       }
 488
 489       if( !menu.loc ) vg_fatal_error( "No location\n" );
 490
 491       if( menu.loc->type == k_ent_menuitem_type_slider && menu.loc->pf32 ){
 492          f32 move = 0.0f;
 493
 494          if( vg_input.display_input_method == k_input_method_controller ){
 495             move += button_press( k_srbind_mright );
 496             move -= button_press( k_srbind_mleft );
 497          }
 498          else{
 499             move += axis_state( k_sraxis_mbrowse_h );
 500          }
 501
 502          move *= vg.time_frame_delta;
 503          *menu.loc->pf32 = vg_clampf( *menu.loc->pf32 + move, 0.0f, 1.0f );
 504
 505          mh = 0;
 506       }
 507
 508       if( escape ){
 509          menu_back_page();
 510       }
 511       else if( enter ){
 512          menu_trigger_item( menu.loc );
 513       }
 514       else if( mh||mv ){
 515          v3f opt;
 516          v3_zero( opt );
 517          f32 best = 0.707f;
 518          ent_menuitem *nextpos = NULL;
 519
 520          opt[0] += mh;
 521          opt[2] += mv;
 522          mdl_transform_vector( &menu.cam->transform, opt, opt );
 523
 524          for( u32 i=0; i<4; i++ ){
 525             u32 id = menu.loc->id_links[i];
 526             if( !id ) continue;
 527             u32 index = mdl_entity_id_id( id );
 528
 529             ent_menuitem *other = mdl_arritm( &menu.items, index );
 530             v3f delta;
 531             v3_sub( menu.loc->transform.co, other->transform.co, delta );
 532             v3_normalize( delta );
 533
 534             f32 score = v3_dot( delta, opt );
 535             if( score > best ){
 536                best = score;
 537                nextpos = other;
 538             }
 539          }
 540
 541          if( nextpos ){
 542             menu.loc = nextpos;
 543          }
 544       }
 545    }
 546
 547    menu_setitem_type( menu.ctr_deck, k_ent_menuitem_type_disabled );
 548    menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_disabled );
 549    menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_disabled );
 550    menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_disabled );
 551    menu_setitem_type( menu.ctr_steam, k_ent_menuitem_type_disabled );
 552
 553    if( vg_input.display_input_method == k_input_method_kbm )
 554       menu_setitem_type( menu.ctr_kbm, k_ent_menuitem_type_visual_nocol );
 555    else{
 556       if( vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS3 ||
 557           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS4 ||
 558           vg_input.display_input_type == SDL_CONTROLLER_TYPE_PS5 ){
 559          menu_setitem_type( menu.ctr_ps, k_ent_menuitem_type_visual_nocol );
 560       }
 561       else {
 562          menu_setitem_type( menu.ctr_xbox, k_ent_menuitem_type_visual_nocol );
 563       }
 564       /* FIXME: Steam/Deck controller detection? */
 565    }
 566 }
 567
 568 static void menu_binding_string( char buf[128], u32 pstr );
 569
 570 /*
 571  * Run from vg_gui when active
 572  */
 573 static void menu_render(void){
 574    glEnable(GL_BLEND);
 575    glDisable(GL_DEPTH_TEST);
 576    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 577    glBlendEquation(GL_FUNC_ADD);
 578
 579    shader_blitcolour_use();
 580    v4f colour;
 581    ui_hex_to_norm( ui_colour( k_ui_bg+3 ), colour );
 582    colour[3] = 0.5f;
 583
 584    shader_blitcolour_uColour( colour );
 585    render_fsquad();
 586
 587    if( (workshop_form.page != k_workshop_form_hidden) ||
 588        (vg_ui.focused_control_type != k_ui_control_none) ){
 589       return;
 590    }
 591
 592    if( menu.credits_open ){
 593       ui_rect panel = { 0,0, 460, 400 },
 594               screen = { 0,0, vg.window_x,vg.window_y };
 595       ui_rect_center( screen, panel );
 596       ui_fill( panel, ui_colour(k_ui_bg) );
 597       ui_outline( panel, 1, ui_colour(k_ui_fg), 0 );
 598       ui_rect_pad( panel, (ui_px[]){8,8} );
 599
 600       ui_rect title;
 601       ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
 602       ui_text( title, "Skate Rift - Credits", 2, k_ui_align_middle_center, 0 );
 603       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 604       ui_text( title, "Mt.Zero Software", 1, k_ui_align_middle_center, 0 );
 605
 606       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 607       ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
 608       ui_text( title, "A game by Harry Godden", 1,
 609                k_ui_align_middle_center, 0 );
 610
 611       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 612       ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
 613       ui_text( title, "Free Software", 2, k_ui_align_middle_center, 0 );
 614
 615       ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
 616       ui_text( panel,
 617             "Sam Lantinga       - SDL2 - libsdl.org\n"
 618             "Hunter WB          - Anyascii\n"
 619             "David Herberth     - GLAD\n"
 620             "Dominic Szablewski - QOI - qoiformat.org\n"
 621             "Sean Barrett       - stb_image,stb_vorbis,stb_include\n"
 622             "Khronos Group      - OpenGL\n"
 623             , 1, k_ui_align_left, 0 );
 624       return;
 625    }
 626
 627    glEnable( GL_DEPTH_TEST );
 628    glDisable( GL_BLEND );
 629
 630    f32 rate = vg.time_frame_delta * 12.0f;
 631
 632    if( menu.cam ){
 633       camera target;
 634
 635       target.fov = menu.cam->fov;
 636       v3_copy( menu.cam->transform.co, target.pos );
 637
 638       v3f v0;
 639       mdl_transform_vector( &menu.cam->transform, (v3f){0.0f,-1.0f,0.0f}, v0 );
 640       v3_angles( v0, target.angles );
 641
 642       camera_lerp( &menu.view, &target, rate, &menu.view );
 643
 644       menu.view.farz = 150.0f;
 645       menu.view.nearz = 0.01f;
 646
 647       camera_update_transform( &menu.view );
 648       camera_update_view( &menu.view );
 649       camera_update_projection( &menu.view );
 650       camera_finalize( &menu.view );
 651    }
 652    else return;
 653
 654    shader_model_menu_use();
 655    shader_model_menu_uTexMain( 1 );
 656    glActiveTexture( GL_TEXTURE1 );
 657    glBindTexture( GL_TEXTURE_2D, menu.texture );
 658    shader_model_menu_uPv( menu.view.mtx.pv );
 659    shader_model_menu_uPvmPrev( menu.view.mtx_prev.pv );
 660
 661    mesh_bind( &menu.mesh );
 662
 663    v4f white, blue;
 664
 665    ui_hex_to_norm( ui_colour( k_ui_fg ), white );
 666    ui_hex_to_norm( ui_colour( k_ui_orange+k_ui_brighter ), blue );
 667
 668    ent_menuitem *text_list[ 8 ];
 669    u32 text_count = 0;
 670
 671    for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
 672       ent_menuitem *item = mdl_arritm( &menu.items, i );
 673
 674       if(   item->type == k_ent_menuitem_type_disabled ) continue;
 675       if(   item->type == k_ent_menuitem_type_page ) continue;
 676       if( !(item->groups & (0x1 << menu.page)) ) continue;
 677
 678       if(   item->type == k_ent_menuitem_type_binding ){
 679          if( text_count < vg_list_size(text_list) )
 680             text_list[ text_count ++ ] = item;
 681          else
 682             vg_fatal_error( "Text list overflow" );
 683
 684          continue;
 685       }
 686
 687       int selected = 0;
 688
 689       if( menu.loc ){
 690          if( menu.loc->type == k_ent_menuitem_type_slider ){
 691             u32 subid = menu.loc->slider.id_handle;
 692             if( item == mdl_arritm( &menu.items, mdl_entity_id_id(subid) ))
 693                selected = 1;
 694          }
 695          else{
 696             if( item == menu.loc )
 697                selected = 1;
 698          }
 699       }
 700
 701       if( item->type == k_ent_menuitem_type_visual_nocol ){
 702          shader_model_menu_uColour( (v4f){1.0f,1.0f,1.0f,1.0f} );
 703       }
 704       else{
 705          v4f colour;
 706          item->factive = vg_lerpf( item->factive, selected, rate );
 707          v4_lerp( white, blue, item->factive, colour );
 708          shader_model_menu_uColour( colour );
 709       }
 710
 711       f32 scale = 1.0f+item->factive*0.1f;
 712
 713       m4x3f mmdl;
 714       mdl_transform transform = item->transform;
 715       v3_muls( transform.s, scale, transform.s );
 716       mdl_transform_m4x3( &transform, mmdl );
 717
 718       if( item->type == k_ent_menuitem_type_toggle && item->pi32 ){
 719          u32 subid = mdl_entity_id_id( item->checkmark.id_check );
 720          ent_menuitem *subitem = mdl_arritm( &menu.items, subid );
 721
 722          v3_muladds( item->transform.co, item->checkmark.offset, scale,
 723                      subitem->transform.co );
 724
 725          subitem->fvisible = vg_lerpf( subitem->fvisible, *item->pi32, rate );
 726          v3_fill( subitem->transform.s, subitem->fvisible );
 727       }
 728       else if( item->type == k_ent_menuitem_type_slider && item->pf32 ){
 729          u32 il = mdl_entity_id_id( item->slider.id_min ),
 730              ir = mdl_entity_id_id( item->slider.id_max ),
 731              ih = mdl_entity_id_id( item->slider.id_handle );
 732          ent_marker *ml = mdl_arritm( &menu.markers, il ),
 733                     *mr = mdl_arritm( &menu.markers, ir );
 734          ent_menuitem *handle = mdl_arritm( &menu.items, ih );
 735
 736          v3_lerp( ml->transform.co, mr->transform.co, *item->pf32,
 737                   handle->transform.co );
 738       }
 739
 740       shader_model_menu_uMdl( mmdl );
 741
 742       for( u32 j=0; j<item->submesh_count; j++ ){
 743          u32 index = item->submesh_start + j;
 744          mdl_draw_submesh( mdl_arritm( &menu.model.submeshs, index ));
 745       }
 746    }
 747
 748    if( !text_count ) return;
 749
 750    char buf[ 128 ];
 751
 752    m4x3f local;
 753    m4x3_identity( local );
 754
 755    font3d_bind( &gui.font, k_font_shader_default, 0, NULL, &menu.view );
 756    for( u32 i=0; i<text_count; i++ ){
 757       ent_menuitem *item = text_list[ i ];
 758       m4x3f transform;
 759       mdl_transform_m4x3( &item->transform, transform );
 760
 761       u32 variant = item->binding.font_variant;
 762       menu_binding_string( buf, item->binding.pstr_bind );
 763       f32 offset = font3d_string_width( variant, buf );
 764
 765       local[3][0] = -0.5f * offset;
 766       m4x3_mul( transform, local, transform );
 767
 768       font3d_simple_draw( variant, buf, &menu.view, transform );
 769    }
 770 }
 771
 772 static void menu_binding_string( char buf[128], u32 pstr ){
 773    vg_str str;
 774    vg_strnull( &str, buf, 128 );
 775
 776    if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_jump" ) ){
 777       vg_input_string( &str, input_button_list[k_srbind_jump], 1 );
 778    }
 779    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick0" ) ){
 780       vg_strcat( &str, "SHUVIT " );
 781       vg_input_string( &str, input_button_list[k_srbind_trick0], 1 );
 782    }
 783    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick1" ) ){
 784       vg_strcat( &str, "KICKFLIP " );
 785       vg_input_string( &str, input_button_list[k_srbind_trick1], 1 );
 786    }
 787    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_trick2" ) ){
 788       vg_strcat( &str, "TREFLIP " );
 789       vg_input_string( &str, input_button_list[k_srbind_trick2], 1 );
 790    }
 791    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab" ) ){
 792       vg_input_string( &str, input_axis_list[k_sraxis_grab], 1 );
 793    }
 794    else if( MDL_CONST_PSTREQ( &menu.model, pstr, "bind_grab_mod" ) ){
 795       vg_input_string( &str, input_joy_list[k_srjoystick_grab], 1 );
 796    }
 797    else
 798       vg_strcat( &str, "error" );
 799 }
 800
 801 #endif /* MENU_H */