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#ifndef VIEW_H |
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#define VIEW_H |
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|
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#include <set> |
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#include <map> |
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#include <utility> |
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|
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using namespace std; |
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|
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#include "util.h" |
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#include "event.h" |
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|
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struct visibility_state { |
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unsigned int generation; |
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enum { UNKNOWN, OCCLUDED, PARTIAL, FULL } visibility; |
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double last; |
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|
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visibility_state () : generation(0), last(0.), visibility(UNKNOWN) { }; |
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}; |
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|
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struct occ_query { |
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struct view &v; |
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GLuint id; |
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GLuint r; |
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|
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occ_query (view &v, GLuint id, GLuint r) : v(v), id(id), r(r) { }; |
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}; |
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|
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typedef event_receiver<void, occ_query> recv_occ_query; |
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|
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struct view { |
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sector orig; |
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point p; |
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vec3 d, u; |
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GLfloat fov; |
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GLfloat near, far; |
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int w, h; |
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|
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GLfloat gamma; |
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|
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// only to be used by friends: TODO |
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|
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GLfloat nextfar; |
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GLfloat diagfact; // bounding box border to depth factor |
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|
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matrix projection; |
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|
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struct { |
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plane l, r, t, b, n, f; |
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} frustum; |
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|
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enum mode { DEPTH, LIGHTED } mode; |
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light *l; |
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set<const entity *> drawn; |
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|
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unsigned int generation; |
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map<octant *, visibility_state> vismap; |
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|
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vector<octant *> vislist; // octants partially or fully visible in frustum |
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vector<octant *> farlist; // octants possibly visible |
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|
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typedef pair<recv_occ_query *, GLint> oq_data; |
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vector<oq_data> occ_queries; |
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void begin_occ_query (recv_occ_query &recv); |
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void end_occ_query (); |
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|
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void reset_projection (); |
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|
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// public |
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|
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void begin (); |
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void pass (enum mode m); |
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void end (); |
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|
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bool may_draw (const entity *e); |
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|
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view (); |
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~view (); |
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}; |
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#endif |
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