| 1 | #ifndef VIEW_H |
1 | #ifndef VIEW_H |
| 2 | #define VIEW_H |
2 | #define VIEW_H |
| 3 | |
3 | |
| 4 | #include <set> |
4 | #include <set> |
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5 | #include <map> |
| 5 | |
6 | |
| 6 | using namespace std; |
7 | using namespace std; |
| 7 | |
8 | |
| 8 | #include "util.h" |
9 | #include "util.h" |
| 9 | |
10 | |
| 10 | struct draw_context { |
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| 11 | enum { DEPTH, LIGHTED } mode; |
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| 12 | light *l; |
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| 13 | set<entity_base *> drawn; |
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| 14 | |
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| 15 | bool may_draw (entity_base *e); |
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| 16 | |
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| 17 | draw_context (); |
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| 18 | ~draw_context (); |
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| 19 | }; |
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| 20 | |
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| 21 | struct view { |
11 | struct view { |
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12 | sector orig; |
| 22 | point p; |
13 | point p; |
| 23 | vec3 d, u; |
14 | vec3 d, u; |
| 24 | float fov; |
15 | float fov; |
| 25 | int w, h; |
16 | int w, h; |
| 26 | |
17 | |
| 27 | void draw (draw_context &ctx); |
18 | void draw (draw_context &ctx); |
| 28 | }; |
19 | }; |
| 29 | |
20 | |
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21 | struct visibility_state { |
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22 | unsigned int generation; |
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23 | enum { UNKNOWN, OCCLUDED, PARTIAL, FULL } visibility; |
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24 | |
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25 | visibility_state () : generation(0), visibility(UNKNOWN) { }; |
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26 | }; |
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27 | |
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28 | struct draw_context { |
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29 | view &v; |
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30 | |
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31 | gl_matrix projection; |
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32 | struct { |
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33 | plane l, r, t, b, n, f; |
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34 | } frustum; |
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35 | enum { DEPTH, LIGHTED } mode; |
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36 | light *l; |
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37 | set<entity_base *> drawn; |
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38 | |
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39 | unsigned int generation; |
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40 | map<octant *, visibility_state> vismap; |
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41 | vector<octant *> vislist; // octants partially or fully visible |
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42 | vector<octant *> checklist; // octants possibly visible |
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43 | |
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44 | bool may_draw (entity_base *e); |
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45 | |
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46 | draw_context (view &v); |
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47 | ~draw_context (); |
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48 | }; |
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49 | |
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50 | inline void update_matrix (const draw_context &ctx) |
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51 | { |
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52 | gl_matrix m1 = ctx.projection; |
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53 | gl_matrix m2; |
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54 | |
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55 | glGetFloatv (GL_MODELVIEW_MATRIX, (GLfloat *)&m2); |
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56 | |
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57 | m1 = m1 * m2; |
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58 | |
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59 | for (int i = 0; i < 4; i++) |
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60 | for (int j = 0; j < 4 ; j++) |
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61 | mvp[i][j] = m1(i,j); |
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62 | } |
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63 | |
| 30 | #endif |
64 | #endif |
| 31 | |
65 | |
