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
   9 #include "shaders/menu.h"
  10
  11 static mdl_header *menu_model;
  12 static glmesh      menu_glmesh;
  13 static m4x3f       menu_mdl_mtx;
  14 static float       menu_opacity = 0.0f;
  15 static float       menu_input_cooldown = 0.0f;
  16 static float       menu_fov_target = 97.0f;
  17 static v2f         menu_extra_angles;
  18
  19 static int         menu_loc = 1,
  20                    menu_loc_last = 1;
  21 static u32         menu_page     = 0;
  22
  23 static int         cl_menu         = 0,
  24                    cl_menu_go_away = 0;
  25 static int         cl_playermdl_id = 0;
  26
  27 static const char *playermodels[] = { "ch_new", "ch_jordan", "ch_outlaw" };
  28
  29 static void menu_btn_paused( int event );
  30 static void menu_btn_quit( int event );
  31 static void menu_btn_skater( int event );
  32 static void menu_btn_map( int event );
  33 static void menu_btn_map_a( int event );
  34 static void menu_btn_map_b( int event );
  35 static void menu_btn_map_c( int event );
  36 static void menu_btn_fuckoff( int event );
  37
  38 struct menu_button
  39 {
  40    const char *name;
  41    u32 areas;
  42
  43    void (*fn_press)(int event);
  44    int links[4];
  45    mdl_node *pnode;
  46
  47    float falpha, fsize;
  48 }
  49 static menu_buttons[] =
  50 {
  51 /*0*/{"text_paused",     1, menu_btn_paused },
  52 /*1*/{"text_quit",       9, menu_btn_quit,    {3,-1,4,2}},
  53 /*2*/{"text_skater",     3, menu_btn_skater,  {3,1,4,-1}},
  54 /*3*/{"text_map",        5, menu_btn_map, {-1,-1,2,-1}},
  55 /*4*/{"text_about_game", 1, NULL, {2,-1,-1,-1}},
  56 /*5*/{"skater_left",     2, NULL, {-1,-1,-1,-1}},
  57 /*6*/{"skater_right",    2, NULL, {-1,-1,-1,-1}},
  58 /*7*/{"map_a",           4, menu_btn_map_a,{8, -1, 9, 9 }},
  59 /*8*/{"map_b",           4, menu_btn_map_b,{-1,7,7,-1}},
  60 /*9*/{"map_c",           4, menu_btn_map_c,{7,7,-1,8}},
  61 /*a*/{"g_map",           5, NULL },
  62 /*b*/{"g_controls",      1, NULL },
  63 /*c*/{"text_quitty",     8, NULL },
  64 /*d*/{"text_yes",        8, menu_btn_fuckoff },
  65 };
  66
  67 static void menu_btn_map_a( int event ){}
  68 static void menu_btn_map_b( int event ){}
  69 static void menu_btn_map_c( int event ){}
  70
  71 static void menu_btn_paused( int event )
  72 {
  73
  74 }
  75
  76 static void menu_btn_fuckoff( int event )
  77 {
  78    glfwSetWindowShouldClose( vg.window, 1 );
  79 }
  80
  81 static void menu_btn_quit( int event )
  82 {
  83    menu_page = 0x8;
  84    menu_loc = 0xd;
  85 }
  86
  87 static void menu_btn_map( int event )
  88 {
  89    menu_page = 0x4;
  90    menu_loc = 7;
  91 }
  92
  93 static void menu_btn_skater( int event )
  94 {
  95    menu_page = 0x2;
  96 }
  97
  98 static void menu_init(void)
  99 {
 100    menu_model = mdl_load( "models/rs_menu.mdl" );
 101
 102    if( !menu_model )
 103       vg_fatal_exit_loop( "No menu model" );
 104
 105    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 106    {
 107       struct menu_button *btn = &menu_buttons[i];
 108       btn->pnode = mdl_node_from_name( menu_model, btn->name );
 109
 110       if( !btn->pnode )
 111          vg_fatal_exit_loop( "Menu programming error" );
 112    }
 113
 114    vg_convar_push( (struct vg_convar){
 115       .name = "cl_playermdl_id",
 116       .data = &cl_playermdl_id,
 117       .data_type = k_convar_dtype_i32,
 118       .opt_i32 = { .min=0, .max=2, .clamp=1 },
 119       .persistent = 1
 120    });
 121
 122    vg_acquire_thread_sync();
 123    mdl_unpack_glmesh( menu_model, &menu_glmesh );
 124    vg_release_thread_sync();
 125
 126    shader_menu_register();
 127 }
 128
 129 static void menu_run_directional(void)
 130 {
 131    struct menu_button *btn = &menu_buttons[ menu_loc ];
 132
 133    if( vg_get_button_down( "jump" ) )
 134    {
 135       if( btn->fn_press )
 136       {
 137          btn->fn_press( 1 );
 138          return;
 139       }
 140    }
 141
 142    if( menu_input_cooldown <= 0.0f )
 143    {
 144       v2f dir = { vg_get_axis( "lookh" ), vg_get_axis( "lookv" ) };
 145
 146       if( v2_length2( dir ) > 0.8f*0.8f )
 147       {
 148          int idir = 0;
 149
 150          if( fabsf(dir[0]) > fabsf(dir[1]) )
 151          {
 152             if( dir[0] > 0.0f ) idir = 2;
 153             else idir = 0;
 154          }
 155          else
 156          {
 157             if( dir[1] > 0.0f ) idir = 3;
 158             else idir = 1;
 159          }
 160
 161          int link = btn->links[idir];
 162
 163          if( link != -1 )
 164          {
 165             menu_loc_last = menu_loc;
 166             menu_loc = link;
 167             menu_input_cooldown = 0.25f;
 168          }
 169       }
 170    }
 171 }
 172
 173 static int menu_page_should_backout(void)
 174 {
 175    return vg_get_button_down( "break" );
 176 }
 177
 178 static void menu_close(void)
 179 {
 180    cl_menu_go_away = 1;
 181    menu_page = 0;
 182 }
 183
 184 static void menu_page_main(void)
 185 {
 186    if( menu_page_should_backout() )
 187    {
 188       menu_close();
 189       return;
 190    }
 191
 192    menu_fov_target = 112.0f;
 193    menu_run_directional();
 194 }
 195
 196 static void menu_page_map(void)
 197 {
 198    if( menu_page_should_backout() )
 199    {
 200       menu_page = 1;
 201       menu_loc = 3;
 202    }
 203
 204    menu_fov_target = 80.0f;
 205    menu_run_directional();
 206 }
 207
 208 static void menu_page_quit(void)
 209 {
 210    if( menu_page_should_backout() )
 211    {
 212       menu_page = 1;
 213       menu_loc = 1;
 214    }
 215
 216    menu_fov_target = 90.0f;
 217    menu_run_directional();
 218 }
 219
 220 static void menu_page_skater(void)
 221 {
 222    float h = vg_get_axis( "lookh" );
 223    menu_fov_target = 97.0f;
 224
 225    if( menu_page_should_backout() )
 226    {
 227       menu_page = 1;
 228       menu_loc = 2;
 229       return;
 230    }
 231
 232    if( (fabsf(h) > 0.7f) && (menu_input_cooldown <= 0.0f) )
 233    {
 234       if( h < 0.0f )
 235       {
 236          cl_playermdl_id --;
 237          if( cl_playermdl_id < 0 )
 238             cl_playermdl_id = 2;
 239
 240          menu_buttons[5].fsize = 0.4f;
 241          menu_buttons[5].falpha = 1.0f;
 242
 243          menu_input_cooldown = 0.25f;
 244          player_load_model( playermodels[ cl_playermdl_id ], 1 );
 245       }
 246       else
 247       {
 248          cl_playermdl_id ++;
 249          if( cl_playermdl_id > 2 )
 250             cl_playermdl_id = 0;
 251
 252          menu_buttons[6].fsize = 0.4f;
 253          menu_buttons[6].falpha = 1.0f;
 254
 255          menu_input_cooldown = 0.25f;
 256          player_load_model( playermodels[ cl_playermdl_id ], 1 );
 257       }
 258    }
 259 }
 260
 261 static void menu_update(void)
 262 {
 263    if( vg_get_button_down( "menu" ) )
 264    {
 265       if( cl_menu )
 266       {
 267          cl_menu_go_away = 1;
 268          menu_page = 0;
 269       }
 270       else
 271       {
 272          cl_menu = 1;
 273          menu_page = 1;
 274       }
 275    }
 276
 277    if( menu_page == 1 )
 278       menu_page_main();
 279    else if( menu_page == 2 )
 280       menu_page_skater();
 281    else if( menu_page == 4 )
 282       menu_page_map();
 283    else if( menu_page == 8 )
 284       menu_page_quit();
 285
 286    struct menu_button *btn = &menu_buttons[ menu_loc ];
 287
 288    v3f pos;
 289    v2f angles;
 290
 291    /* Base */
 292    {
 293       v3f lookdir;
 294       v3f *mtx = player.mdl.sk.final_mtx[player.mdl.id_head];
 295       m3x3_mulv( mtx, (v3f){-1.0f,0.0f,0.0f}, lookdir );
 296
 297       lookdir[1] = 0.0f;
 298       v3_normalize( lookdir );
 299
 300       v3f center_rough;
 301
 302       if( player.is_dead )
 303       {
 304          v3_copy(player.mdl.ragdoll[ player.mdl.id_hip-1 ].rb.co, center_rough);
 305       }
 306       else
 307       {
 308          v3_add( player.camera_pos, player.visual_transform[3], center_rough );
 309          v3_muls( center_rough, 0.5f, center_rough );
 310       }
 311
 312       v3_muladds( center_rough, lookdir, 1.5f, pos );
 313       v3_add( (v3f){ 0.0f,0.8f,0.0f}, pos, pos );
 314
 315       angles[1] = 0.0f;
 316       angles[0] = -atan2f( lookdir[0], lookdir[2] );
 317
 318       /* setup model matrix */
 319       v4f qmenu_mdl;
 320       q_axis_angle( qmenu_mdl, (v3f){0.0f,1.0f,0.0f}, -angles[0] );
 321
 322       q_m3x3( qmenu_mdl, menu_mdl_mtx );
 323       v3_copy( center_rough, menu_mdl_mtx[3] );
 324    }
 325
 326    /* Extra */
 327    {
 328       v3f delta;
 329       v3_sub( btn->pnode->co, (v3f){ 0.0f,1.5f,-1.5f }, delta );
 330       v3_normalize( delta );
 331
 332       float y = atan2f( delta[0], delta[2] ),
 333             p = -sinf(delta[1]),
 334             dt = vg.frame_delta;
 335
 336       menu_extra_angles[0] = vg_lerpf( menu_extra_angles[0], y, dt );
 337       menu_extra_angles[1] = vg_lerpf( menu_extra_angles[1], p, dt );
 338
 339       v2_muladds( angles, menu_extra_angles, 0.8f, angles );
 340       angles[0] = fmodf( angles[0], VG_TAUf );
 341    }
 342
 343    /* Update camera */
 344    {
 345       camera_angles[0] = vg_alerpf( camera_angles[0], angles[0], menu_opacity );
 346       camera_angles[1] = vg_lerpf ( camera_angles[1], angles[1], menu_opacity );
 347       v3_lerp( camera_pos, pos, menu_opacity, camera_pos );
 348       camera_update();
 349    }
 350
 351    float dt = vg.frame_delta * 6.0f;
 352    menu_opacity = vg_lerpf( menu_opacity, cl_menu&&!cl_menu_go_away, dt );
 353
 354    if( menu_opacity <= 0.01f )
 355    {
 356       cl_menu = 0;
 357       cl_menu_go_away = 0;
 358    }
 359
 360    vg.time_rate = 1.0-(double)menu_opacity;
 361
 362    if( cl_menu )
 363    {
 364       menu_input_cooldown -= vg.frame_delta;
 365    }
 366 }
 367
 368 /* https://iquilezles.org/articles/functions/ */
 369 float expSustainedImpulse( float x, float f, float k )
 370 {
 371     float s = fmaxf(x-f,0.0f);
 372     return fminf( x*x/(f*f), 1.0f+(2.0f/f)*s*expf(-k*s));
 373 }
 374
 375 static void menu_render( m4x4f projection )
 376 {
 377    glEnable(GL_BLEND);
 378    glDisable(GL_DEPTH_TEST);
 379    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 380    glBlendEquation(GL_FUNC_ADD);
 381
 382    shader_fscolour_use();
 383    shader_fscolour_uColour( (v4f){ 0.1f, 0.1f, 0.3f, menu_opacity*0.5f } );
 384    render_fsquad();
 385
 386    glEnable( GL_DEPTH_TEST );
 387    glDisable( GL_BLEND );
 388
 389    m4x3f mtx;
 390
 391    shader_menu_use();
 392    shader_menu_uColour( (v4f){ 1.0f,1.0f,1.0f,1.0f} );
 393    shader_menu_uTexMain( 1 );
 394    vg_tex2d_bind( &tex_graffiti, 1 );
 395
 396    shader_menu_uPv( projection );
 397    mesh_bind( &menu_glmesh );
 398
 399    for( int i=0; i<vg_list_size(menu_buttons); i++ )
 400    {
 401       struct menu_button *btn = &menu_buttons[i];
 402       float talpha = i==menu_loc? 1.0f: 0.0f,
 403             tsize0 = btn->areas & menu_page? 1.0f: 0.0f,
 404             tsize1 = i==menu_loc? 0.07f: 0.0f,
 405             tsize  = tsize0+tsize1;
 406
 407       btn->falpha = vg_lerpf( btn->falpha, talpha, vg.frame_delta * 14.0f );
 408       btn->fsize  = vg_lerpf( btn->fsize,  tsize,  vg.frame_delta * 3.0f  );
 409
 410       /* Colour */
 411       v4f vselected = {0.95f*1.3f,0.45f*1.3f,0.095f*1.3f, 1.0f},
 412           vnormal   = {1.0f,1.0f,1.0f, 1.0f},
 413           vcurrent;
 414
 415       v4_lerp( vnormal, vselected, btn->falpha, vcurrent );
 416       shader_menu_uColour( vcurrent );
 417
 418       /* Create matrix */
 419       m4x3f mtx_size;
 420       mdl_node_transform( btn->pnode, mtx );
 421       m4x3_mul( menu_mdl_mtx, mtx, mtx );
 422       m4x3_identity( mtx_size );
 423       m4x3_scale( mtx_size, expSustainedImpulse( btn->fsize, 0.5f, 8.7f) );
 424       m4x3_mul( mtx, mtx_size, mtx );
 425       shader_menu_uMdl( mtx );
 426
 427       for( int j=0; j<btn->pnode->submesh_count; j++ )
 428       {
 429          mdl_submesh *sm =
 430             mdl_submesh_from_id( menu_model, btn->pnode->submesh_start+j );
 431          mdl_draw_submesh( sm );
 432       }
 433    }
 434
 435    /*
 436    for( int i=0; i<menu_model->node_count; i++ )
 437    {
 438       mdl_node *pnode = mdl_node_from_id( menu_model, i );
 439
 440       for( int j=0; j<pnode->submesh_count; j++ )
 441       {
 442          mdl_submesh *sm =
 443             mdl_submesh_from_id( menu_model, pnode->submesh_start+j );
 444
 445          mdl_node_transform( pnode, mtx );
 446          m4x3_mul( menu_mdl_mtx, mtx, mtx );
 447          shader_menu_uMdl( mtx );
 448
 449          mdl_draw_submesh( sm );
 450       }
 451    }
 452    */
 453 }
 454
 455 static void menu_free(void *_)
 456 {
 457    mesh_free( &menu_glmesh );
 458 }
 459
 460 #endif /* MENU_H */