| … | |
… | |
| 531 | } |
531 | } |
| 532 | }; |
532 | }; |
| 533 | |
533 | |
| 534 | void draw_bbox (const sector &a, const sector &b); |
534 | void draw_bbox (const sector &a, const sector &b); |
| 535 | |
535 | |
| 536 | } |
|
|
| 537 | |
|
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| 538 | GLuint SDL_GL_LoadTexture (SDL_Surface *surface, GLfloat *texcoord); |
536 | GLuint load_texture (SDL_Surface *surface, GLfloat *texcoord); |
|
|
537 | } |
|
|
538 | |
|
|
539 | template<typename value> |
|
|
540 | struct idmappable |
|
|
541 | { |
|
|
542 | struct idptr |
|
|
543 | { |
|
|
544 | value *p; |
|
|
545 | unsigned int gen; |
|
|
546 | |
|
|
547 | idptr () : p(0) { }; |
|
|
548 | }; |
|
|
549 | |
|
|
550 | vector<idptr> idmap; |
|
|
551 | }; |
|
|
552 | |
|
|
553 | struct idmap_context |
|
|
554 | { |
|
|
555 | struct id |
|
|
556 | { |
|
|
557 | unsigned int idx; |
|
|
558 | unsigned int gen; |
|
|
559 | }; |
|
|
560 | |
|
|
561 | vector<id> freeid; |
|
|
562 | |
|
|
563 | unsigned int next; |
|
|
564 | |
|
|
565 | idmap_context (); |
|
|
566 | id get (); |
|
|
567 | void put (id &i); |
|
|
568 | }; |
|
|
569 | |
|
|
570 | template<class value> |
|
|
571 | struct idmap |
|
|
572 | { |
|
|
573 | typedef idmappable<value> base; |
|
|
574 | typedef typename idmappable<value>::idptr idptr; |
|
|
575 | |
|
|
576 | idmap_context &ctx; |
|
|
577 | idmap_context::id id; |
|
|
578 | |
|
|
579 | idmap (idmap_context &ctx) |
|
|
580 | : ctx (ctx) |
|
|
581 | , id (ctx.get ()) |
|
|
582 | { |
|
|
583 | } |
|
|
584 | |
|
|
585 | ~idmap () |
|
|
586 | { |
|
|
587 | ctx.put (id); |
|
|
588 | } |
|
|
589 | |
|
|
590 | value *&operator [](const base &k) |
|
|
591 | { |
|
|
592 | if (k.idmap.size () <= id.idx) |
|
|
593 | k.idmap.resize (id.idx + 1); |
|
|
594 | |
|
|
595 | idptr &p = k.idmap [id.idx]; |
|
|
596 | |
|
|
597 | if (p.gen != id.gen) |
|
|
598 | { |
|
|
599 | delete p.p; |
|
|
600 | p.p = 0; |
|
|
601 | p.gen = id.gen; |
|
|
602 | } |
|
|
603 | |
|
|
604 | return p.p; |
|
|
605 | } |
|
|
606 | }; |
| 539 | |
607 | |
| 540 | #endif |
608 | #endif |
| 541 | |
609 | |
