basic replayable replays
[carveJwlIkooP6JGAAIwe30JlM.git] / 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
13 #define MENU_STACK_SIZE 8
14
15 struct {
16 int active, credits_open;
17 int disable_open;
18
19 u32 page, /* current page index */
20 page_depth;
21
22 enum menu_input_mode{
23 k_menu_input_mode_keys,
24 k_menu_input_mode_mouse
25 }
26 input_mode;
27 f32 mouse_track, mouse_dist; /* used for waking up mouse */
28 f32 slider_offset;
29
30 struct page_stack_frame {
31 u32 page;
32 ent_menuitem *loc;
33 ent_camera *cam;
34 }
35 page_stack[ MENU_STACK_SIZE ];
36
37 ent_menuitem *loc;
38 ent_camera *cam;
39 camera view;
40
41 mdl_context model;
42 GLuint texture;
43 glmesh mesh;
44
45 mdl_array_ptr items, markers, cameras;
46 }
47 static menu;
48
49 /*
50 * Attaches memory locations to the various items in the menu
51 */
52 static void menu_link(void)
53 {
54 /* link data locations */
55 for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
56 ent_menuitem *item = mdl_arritm( &menu.items, i );
57
58 if( item->type == k_ent_menuitem_type_toggle ||
59 item->type == k_ent_menuitem_type_slider ){
60
61 const char *name;
62
63 if( item->type == k_ent_menuitem_type_slider )
64 name = mdl_pstr( &menu.model, item->slider.pstr_data );
65 else
66 name = mdl_pstr( &menu.model, item->checkmark.pstr_data );
67 vg_var *var = vg_console_match_var( name );
68
69 if( var ){
70 if( ( item->type == k_ent_menuitem_type_slider &&
71 var->data_type != k_var_dtype_f32
72 ) ||
73 ( item->type == k_ent_menuitem_type_toggle &&!
74 ( var->data_type == k_var_dtype_i32 ||
75 var->data_type == k_var_dtype_u32
76 )
77 )
78 ){
79 vg_error( "Cannot hook to data %s(%p), because it is type %d.\n",
80 name, var, var->data_type );
81 item->pvoid = NULL;
82 }
83 else{
84 item->pvoid = var->data;
85 }
86 }
87 else{
88 vg_error( "No data named %s\n", name );
89 item->pvoid = NULL;
90 }
91 }
92 else{
93 item->pvoid = NULL;
94 }
95 }
96 }
97
98 static void menu_init(void)
99 {
100 void *alloc = vg_mem.rtmemory;
101
102 mdl_open( &menu.model, "models/rs_menu.mdl", alloc );
103 mdl_load_metadata_block( &menu.model, alloc );
104
105 vg_linear_clear( vg_mem.scratch );
106
107 mdl_load_array( &menu.model, &menu.items, "ent_menuitem", alloc );
108 mdl_load_array( &menu.model, &menu.markers, "ent_marker", alloc );
109 mdl_load_array( &menu.model, &menu.cameras, "ent_camera", alloc );
110
111 vg_linear_clear( vg_mem.scratch );
112
113 if( !mdl_arrcount( &menu.model.textures ) )
114 vg_fatal_error( "No texture in menu file" );
115
116 mdl_texture *tex0 = mdl_arritm( &menu.model.textures, 0 );
117 void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
118 mdl_fread_pack_file( &menu.model, &tex0->file, data );
119
120 mdl_async_load_glmesh( &menu.model, &menu.mesh );
121 vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
122 VG_TEX2D_LINEAR|VG_TEX2D_CLAMP,
123 &menu.texture );
124
125 mdl_close( &menu.model );
126 shader_model_menu_register();
127 }
128
129 /*
130 * Drop back a page until we're at the bottom which then we jus quit
131 */
132 static void menu_back_page(void)
133 {
134 vg_info( "menu_back_page()\n" );
135 menu.page_depth --;
136 if( menu.page_depth == 0 ){
137 menu.active = 0;
138 menu.page = 0xffffffff;
139 }
140 else{
141 menu.page = menu.page_stack[ menu.page_depth ].page;
142 menu.cam = menu.page_stack[ menu.page_depth ].cam;
143
144 if( menu.input_mode == k_menu_input_mode_keys )
145 menu.loc = menu.page_stack[ menu.page_depth ].loc;
146 else menu.loc = NULL;
147 }
148 }
149
150 /*
151 * Open page to the string identifier
152 */
153 static void menu_open_page( const char *name )
154 {
155 if( menu.page_depth >= MENU_STACK_SIZE )
156 vg_fatal_error( "Stack overflow\n" );
157
158 vg_info( "Try to open %s\n", name );
159
160 u32 hash = vg_strdjb2( name );
161 for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
162 ent_menuitem *item = mdl_arritm( &menu.items, i );
163
164 if( item->type == k_ent_menuitem_type_page ){
165 if( mdl_pstreq( &menu.model, item->page.pstr_name, name, hash ) ){
166 u32 new_page = __builtin_ctz( item->groups );
167
168 if( new_page == menu.page ){
169 menu_back_page();
170 }
171 else{
172 menu.page_stack[ menu.page_depth ].page = menu.page;
173 menu.page_stack[ menu.page_depth ].cam = menu.cam;
174 menu.page_stack[ menu.page_depth ++ ].loc = menu.loc;
175 menu.page = __builtin_ctz( item->groups );
176
177 if( menu.input_mode == k_menu_input_mode_keys ){
178 if( item->page.id_entrypoint ){
179 u32 id = mdl_entity_id_id( item->page.id_entrypoint );
180 menu.loc = mdl_arritm( &menu.items, id );
181 }
182 }
183
184 if( item->page.id_viewpoint ){
185 u32 id = mdl_entity_id_id( item->page.id_viewpoint );
186 menu.cam = mdl_arritm( &menu.cameras, id );
187 }
188 vg_info( "menu page: %u (%p,%p)\n",
189 menu.page, menu.loc, menu.cam );
190 }
191 return;
192 }
193 }
194 }
195 }
196
197 /*
198 * activate a pressable type
199 */
200 static void menu_trigger_item( ent_menuitem *item )
201 {
202 if ( item->type == k_ent_menuitem_type_event_button ){
203 u32 q = item->button.pstr;
204
205 if( MDL_CONST_PSTREQ( &menu.model, q, "quit" ) ){
206 vg.window_should_close = 1;
207 }
208 else if( MDL_CONST_PSTREQ( &menu.model, q, "reset_nearest" ) ){
209 localplayer_cmd_respawn( 0, NULL );
210
211 menu.page_depth = 0;
212 menu.active = 0;
213 menu.page = 0xffffffff;
214 }
215 else if( MDL_CONST_PSTREQ( &menu.model, q, "reset_home" ) ){
216 world_static.active_world = 0;
217 world_static.active_trigger_volume_count = 0;
218 localplayer.viewable_world = world_current_instance();
219 localplayer_cmd_respawn( 1, (const char *[]){"start"} );
220
221 menu.page_depth = 0;
222 menu.active = 0;
223 menu.page = 0xffffffff;
224 }
225 else if( MDL_CONST_PSTREQ( &menu.model, q, "credits" ) ){
226 menu.credits_open = 1;
227 }
228 else if( MDL_CONST_PSTREQ( &menu.model, q, "workshop" ) ){
229 workshop_submit_command(0,NULL);
230 }
231 }
232 else if( item->type == k_ent_menuitem_type_page_button ){
233 menu_open_page( mdl_pstr( &menu.model, item->button.pstr ) );
234 }
235 else if( item->type == k_ent_menuitem_type_toggle ){
236 if( item->pi32 ){
237 *item->pi32 = *item->pi32 ^ 0x1;
238 }
239 }
240 }
241
242 static f32 menu_slider_snap( f32 value, f32 old, f32 notch )
243 {
244 f32 const k_epsilon = 0.0125f;
245
246 if( fabsf(notch-value) < k_epsilon ){
247 if( fabsf(notch-old) > k_epsilon ){
248 audio_lock();
249 audio_oneshot( &audio_ui[0], 1.0f, 0.0f );
250 audio_unlock();
251 }
252
253 return notch;
254 }
255 else
256 return value;
257 }
258
259 /*
260 * Run from vg_gui every frame
261 */
262 static void menu_update(void)
263 {
264 if( workshop_form.page != k_workshop_form_hidden ){
265 return;
266 }
267
268 int escape = button_down( k_srbind_mback );
269 if( menu.credits_open ){
270 if( escape ){
271 menu.credits_open = 0;
272 }
273 return;
274 }
275
276 if( button_down( k_srbind_mopen ) ){
277 if( !menu.active && !menu.disable_open ){
278 menu.active = 1;
279 menu.page = 0xffffffff;
280 menu_open_page( "Main Menu" );
281 return;
282 }
283 }
284
285 if( !menu.active ) return;
286
287 enum menu_input_mode prev_mode = menu.input_mode;
288
289 /* get buttons inputs
290 * -------------------------------------------------------------------*/
291 int ml = button_down( k_srbind_mleft ),
292 mr = button_down( k_srbind_mright ),
293 mu = button_down( k_srbind_mup ),
294 md = button_down( k_srbind_mdown ),
295 mh = ml-mr,
296 mv = mu-md,
297 enter = button_down( k_srbind_maccept );
298
299 if( mh||mv||enter ){
300 menu.input_mode = k_menu_input_mode_keys;
301 }
302
303 /* get mouse inputs
304 * --------------------------------------------------------------------*/
305 menu.mouse_dist += v2_length( vg.mouse_delta ); /* TODO: Move to UI */
306 menu.mouse_track += vg.time_frame_delta;
307 if( menu.mouse_track > 0.1f ){
308 menu.mouse_track = fmodf( menu.mouse_track, 0.1f );
309 if( menu.mouse_dist > 10.0f ){
310 menu.input_mode = k_menu_input_mode_mouse;
311 menu.mouse_dist = 0.0f;
312 }
313 }
314
315 if( ui_clicking(UI_MOUSE_LEFT) || ui_clicking(UI_MOUSE_RIGHT) ){
316 menu.input_mode = k_menu_input_mode_mouse;
317 }
318
319 if( menu.input_mode == k_menu_input_mode_mouse ){
320 /*
321 * handle mouse input
322 * ------------------------------------------------------------*/
323 vg_ui.wants_mouse = 1;
324
325 /*
326 * this raycasting is super cumbersome because all the functions were
327 * designed for other purposes. we dont care though.
328 */
329 m4x4f inverse;
330 m4x4_inv( menu.view.mtx.p, inverse );
331 v4f coords;
332 coords[0] = vg_ui.mouse[0];
333 coords[1] = vg.window_y - vg_ui.mouse[1];
334 v2_div( coords, (v2f){ vg.window_x, vg.window_y }, coords );
335 v2_muls( coords, 2.0f, coords );
336 v2_add( coords, (v2f){-1.0f,-1.0f}, coords );
337 coords[2] = 1.0f;
338 coords[3] = 1.0f;
339 m4x4_mulv( inverse, coords, coords );
340 v3f ray;
341 m3x3_mulv( menu.view.transform, coords, ray );
342 v3_normalize( ray );
343
344 if( menu.loc && (menu.loc->type == k_ent_menuitem_type_slider) &&
345 ui_clicking(UI_MOUSE_LEFT) && menu.loc->pf32 ){
346
347 u32 il = mdl_entity_id_id( menu.loc->slider.id_min ),
348 ir = mdl_entity_id_id( menu.loc->slider.id_max );
349 ent_marker *ml = mdl_arritm( &menu.markers, il ),
350 *mr = mdl_arritm( &menu.markers, ir );
351
352 v3f q2;
353 v3_muladds( menu.view.pos, ray, 100.0f, q2 );
354
355 f32 s,t;
356 v3f c1, c2;
357 v3f p1, q1, v0;
358 v3_sub( mr->transform.co, ml->transform.co, v0 );
359 v3_muladds( ml->transform.co, v0, -1.0f, p1 );
360 v3_muladds( mr->transform.co, v0, 1.0f, q1 );
361 closest_segment_segment( p1, q1, menu.view.pos, q2, &s,&t, c1,c2 );
362
363 s-=(1.0f/3.0f);
364 s/=(1.0f/3.0f);
365
366 if( ui_click_down(UI_MOUSE_LEFT) ){
367 menu.slider_offset = *menu.loc->pf32 - s;
368 }
369
370 f32 newvalue = vg_clampf( s+menu.slider_offset, 0.0f, 1.0f );
371
372 newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.00f );
373 newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 1.00f );
374 newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.25f );
375 newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.50f );
376 newvalue = menu_slider_snap( newvalue, *menu.loc->pf32, 0.75f );
377
378 *menu.loc->pf32 = newvalue;
379 return;
380 }
381
382 ent_menuitem *hit_item = NULL;
383
384 for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
385 ent_menuitem *item = mdl_arritm( &menu.items, i );
386
387 if( item->type == k_ent_menuitem_type_page ) continue;
388 if( item->type == k_ent_menuitem_type_visual ) continue;
389 if( !(item->groups & (0x1<<menu.page)) ) continue;
390
391 ent_menuitem *ray_item = item;
392
393 if( item->type == k_ent_menuitem_type_slider ){
394 u32 subtarget = mdl_entity_id_id( item->slider.id_handle );
395 ray_item = mdl_arritm( &menu.items, subtarget );
396 }
397
398 v3f local_ray,
399 local_co;
400
401 m4x3f inverse_mtx;
402 mdl_transform_m4x3( &ray_item->transform, inverse_mtx );
403 m4x3_invert_full( inverse_mtx, inverse_mtx );
404
405 m4x3_mulv( inverse_mtx, menu.view.transform[3], local_co );
406 m3x3_mulv( inverse_mtx, ray, local_ray );
407 v3_normalize( local_ray );
408
409 local_ray[0] = 1.0f/local_ray[0];
410 local_ray[1] = 1.0f/local_ray[1];
411 local_ray[2] = 1.0f/local_ray[2];
412
413 for( u32 j=0; j<ray_item->submesh_count; j++ ){
414 mdl_submesh *sm = mdl_arritm( &menu.model.submeshs,
415 ray_item->submesh_start + j );
416 if( ray_aabb1( sm->bbx, local_co, local_ray, 1000.0f ) ){
417 hit_item = item;
418 break;
419 }
420 }
421 }
422
423 if( hit_item != menu.loc ){
424 menu.loc = hit_item;
425 }
426
427 if( escape ){
428 menu_back_page();
429 }
430 else if( menu.loc ){
431 if( ui_click_down( UI_MOUSE_LEFT ) ){
432 menu_trigger_item( menu.loc );
433 }
434 }
435 }
436 else if( menu.input_mode == k_menu_input_mode_keys ){
437 /*
438 * handle button input
439 * ------------------------------------------------------------*/
440 if( (prev_mode != k_menu_input_mode_keys) && !menu.loc ){
441 for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
442 ent_menuitem *item = mdl_arritm( &menu.items, i );
443
444 if( (item->type != k_ent_menuitem_type_page) &&
445 (item->type != k_ent_menuitem_type_visual) &&
446 (item->groups & (0x1<<menu.page)) ){
447 menu.loc = item;
448 }
449 }
450 }
451
452 if( !menu.loc ) vg_fatal_error( "No location\n" );
453
454 if( menu.loc->type == k_ent_menuitem_type_slider && menu.loc->pf32 ){
455 f32 move = 0.0f;
456
457 if( vg_input.display_input_method == k_input_method_controller ){
458 move += button_press( k_srbind_mright );
459 move -= button_press( k_srbind_mleft );
460 }
461 else{
462 move += axis_state( k_sraxis_mbrowse_h );
463 }
464
465 move *= vg.time_frame_delta;
466 *menu.loc->pf32 = vg_clampf( *menu.loc->pf32 + move, 0.0f, 1.0f );
467
468 mh = 0;
469 }
470
471 if( escape ){
472 menu_back_page();
473 }
474 else if( enter ){
475 menu_trigger_item( menu.loc );
476 }
477 else if( mh||mv ){
478 v3f opt;
479 v3_zero( opt );
480 f32 best = 0.707f;
481 ent_menuitem *nextpos = NULL;
482
483 opt[0] += mh;
484 opt[2] += mv;
485 mdl_transform_vector( &menu.cam->transform, opt, opt );
486
487 for( u32 i=0; i<4; i++ ){
488 u32 id = menu.loc->id_links[i];
489 if( !id ) continue;
490 u32 index = mdl_entity_id_id( id );
491
492 ent_menuitem *other = mdl_arritm( &menu.items, index );
493 v3f delta;
494 v3_sub( menu.loc->transform.co, other->transform.co, delta );
495 v3_normalize( delta );
496
497 f32 score = v3_dot( delta, opt );
498 if( score > best ){
499 best = score;
500 nextpos = other;
501 }
502 }
503
504 if( nextpos ){
505 menu.loc = nextpos;
506 }
507 }
508 }
509 }
510
511 /*
512 * Run from vg_gui when active
513 */
514 VG_STATIC void menu_render(void)
515 {
516 glEnable(GL_BLEND);
517 glDisable(GL_DEPTH_TEST);
518 glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
519 glBlendEquation(GL_FUNC_ADD);
520
521 shader_blitcolour_use();
522 v4f colour;
523 ui_hex_to_norm( ui_colour( k_ui_bg+3 ), colour );
524 colour[3] = 0.5f;
525
526 shader_blitcolour_uColour( colour );
527 render_fsquad();
528
529 if( (workshop_form.page != k_workshop_form_hidden) ||
530 (vg_ui.focused_control_type != k_ui_control_none) ){
531 return;
532 }
533
534 if( menu.credits_open ){
535 ui_rect panel = { 0,0, 460, 400 },
536 screen = { 0,0, vg.window_x,vg.window_y };
537 ui_rect_center( screen, panel );
538 ui_fill( panel, ui_colour(k_ui_bg) );
539 ui_outline( panel, 1, ui_colour(k_ui_fg) );
540 ui_rect_pad( panel, (ui_px[]){8,8} );
541
542 ui_rect title;
543 ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
544 ui_text( title, "Skate Rift - Credits", 2, k_ui_align_middle_center, 0 );
545 ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
546 ui_text( title, "Mt.Zero Software", 1, k_ui_align_middle_center, 0 );
547
548 ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
549 ui_split( panel, k_ui_axis_h, 28, 0, title, panel );
550 ui_text( title, "A game by Harry Godden", 1,
551 k_ui_align_middle_center, 0 );
552
553 ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
554 ui_split( panel, k_ui_axis_h, 28*2, 0, title, panel );
555 ui_text( title, "Free Software", 2, k_ui_align_middle_center, 0 );
556
557 ui_split( panel, k_ui_axis_h, 8, 0, title, panel );
558 ui_text( panel,
559 "Sam Lantinga - SDL2 - libsdl.org\n"
560 "Hunter WB - Anyascii\n"
561 "David Herberth - GLAD\n"
562 "Dominic Szablewski - QOI - qoiformat.org\n"
563 "Sean Barrett - stb_image,stb_vorbis,stb_include\n"
564 "Khronos Group - OpenGL\n"
565 , 1, k_ui_align_left, 0 );
566 return;
567 }
568
569 glEnable( GL_DEPTH_TEST );
570 glDisable( GL_BLEND );
571
572 f32 rate = vg.time_frame_delta * 12.0f;
573
574 if( menu.cam ){
575 camera target;
576
577 target.fov = menu.cam->fov;
578 v3_copy( menu.cam->transform.co, target.pos );
579
580 v3f v0;
581 mdl_transform_vector( &menu.cam->transform, (v3f){0.0f,-1.0f,0.0f}, v0 );
582 player_vector_angles( target.angles, v0, 1.0f, 0.0f );
583
584 camera_lerp( &menu.view, &target, rate, &menu.view );
585
586 menu.view.farz = 150.0f;
587 menu.view.nearz = 0.01f;
588
589 camera_update_transform( &menu.view );
590 camera_update_view( &menu.view );
591 camera_update_projection( &menu.view );
592 camera_finalize( &menu.view );
593 }
594 else return;
595
596 shader_model_menu_use();
597 shader_model_menu_uTexMain( 1 );
598 glActiveTexture( GL_TEXTURE1 );
599 glBindTexture( GL_TEXTURE_2D, menu.texture );
600 shader_model_menu_uPv( menu.view.mtx.pv );
601 shader_model_menu_uPvmPrev( menu.view.mtx_prev.pv );
602
603 mesh_bind( &menu.mesh );
604
605 v4f white, blue;
606
607 ui_hex_to_norm( ui_colour( k_ui_fg ), white );
608 ui_hex_to_norm( ui_colour( k_ui_orange+k_ui_brighter ), blue );
609
610 for( u32 i=0; i<mdl_arrcount(&menu.items); i++ ){
611 ent_menuitem *item = mdl_arritm( &menu.items, i );
612
613 if( item->type == k_ent_menuitem_type_page ) continue;
614 if( !(item->groups & (0x1 << menu.page)) ) continue;
615
616 int selected = 0;
617
618 if( menu.loc ){
619 if( menu.loc->type == k_ent_menuitem_type_slider ){
620 u32 subid = menu.loc->slider.id_handle;
621 if( item == mdl_arritm( &menu.items, mdl_entity_id_id(subid) ))
622 selected = 1;
623 }
624 else{
625 if( item == menu.loc )
626 selected = 1;
627 }
628 }
629
630 item->factive = vg_lerpf( item->factive, selected, rate );
631 v4f colour;
632 v4_lerp( white, blue, item->factive, colour );
633 shader_model_menu_uColour( colour );
634
635 f32 scale = 1.0f+item->factive*0.1f;
636
637 m4x3f mmdl;
638 mdl_transform transform = item->transform;
639 v3_muls( transform.s, scale, transform.s );
640 mdl_transform_m4x3( &transform, mmdl );
641
642 if( item->type == k_ent_menuitem_type_toggle && item->pi32 ){
643 u32 subid = mdl_entity_id_id( item->checkmark.id_check );
644 ent_menuitem *subitem = mdl_arritm( &menu.items, subid );
645
646 v3_muladds( item->transform.co, item->checkmark.offset, scale,
647 subitem->transform.co );
648
649 subitem->fvisible = vg_lerpf( subitem->fvisible, *item->pi32, rate );
650 v3_fill( subitem->transform.s, subitem->fvisible );
651 }
652 else if( item->type == k_ent_menuitem_type_slider && item->pf32 ){
653 u32 il = mdl_entity_id_id( item->slider.id_min ),
654 ir = mdl_entity_id_id( item->slider.id_max ),
655 ih = mdl_entity_id_id( item->slider.id_handle );
656 ent_marker *ml = mdl_arritm( &menu.markers, il ),
657 *mr = mdl_arritm( &menu.markers, ir );
658 ent_menuitem *handle = mdl_arritm( &menu.items, ih );
659
660 v3_lerp( ml->transform.co, mr->transform.co, *item->pf32,
661 handle->transform.co );
662 }
663
664 shader_model_menu_uMdl( mmdl );
665
666 for( u32 j=0; j<item->submesh_count; j++ ){
667 u32 index = item->submesh_start + j;
668 mdl_draw_submesh( mdl_arritm( &menu.model.submeshs, index ));
669 }
670 }
671 }
672
673 #endif /* MENU_H */