1 | #ifndef ENTITY_H |
1 | #ifndef ENTITY_H |
2 | #define ENTITY_H |
2 | #define ENTITY_H |
3 | |
3 | |
4 | #include <GL/gl.h> |
|
|
5 | |
|
|
6 | #include <vector> |
4 | #include <vector> |
7 | |
5 | |
|
|
6 | #include <iostream> |
|
|
7 | #include "opengl.h" |
|
|
8 | |
|
|
9 | #include "util.h" |
8 | #include "oct.h" |
10 | #include "oct.h" |
|
|
11 | #include "view.h" |
|
|
12 | #include "material.h" |
9 | |
13 | |
10 | using namespace std; |
14 | using namespace std; |
|
|
15 | using namespace gl; |
11 | |
16 | |
12 | typedef unsigned int soffs; // 32 bit |
17 | struct geometry |
13 | const soffs soffs_max = 1UL << 31; |
18 | { |
|
|
19 | geometry *parent; |
|
|
20 | box bbox; |
14 | |
21 | |
15 | #define GLFLOAT_MAX 1e30 |
22 | virtual void update () |
16 | #define GLFLOAT_MIN -1e30 |
23 | { |
|
|
24 | if (parent) |
|
|
25 | parent->update (); |
|
|
26 | } |
17 | |
27 | |
18 | struct sector { |
28 | virtual void draw (view &ctx) = 0; |
19 | soffs x, y, z; |
29 | geometry (geometry *parent = 0) : parent(parent) { }; |
|
|
30 | virtual ~geometry (); |
20 | }; |
31 | }; |
21 | |
32 | |
22 | struct point { |
33 | struct geometry_opengl : geometry |
|
|
34 | { |
|
|
35 | GLuint list; // TODO: dynamic caching |
|
|
36 | |
|
|
37 | geometry_opengl (); |
|
|
38 | ~geometry_opengl (); |
|
|
39 | }; |
|
|
40 | |
|
|
41 | template<GLenum type> |
|
|
42 | struct geometry_opengl1d : geometry_opengl, vector<vertex_v3f> |
|
|
43 | { |
|
|
44 | void set (const vector<vertex_v3f> &v); |
|
|
45 | void draw (view &ctx); |
|
|
46 | }; |
|
|
47 | |
|
|
48 | template<GLenum type> |
|
|
49 | struct geometry_opengl2d : geometry_opengl |
|
|
50 | { |
|
|
51 | material *m; |
|
|
52 | |
|
|
53 | geometry_opengl2d () : m(0) { }; |
|
|
54 | |
|
|
55 | void set (const vector<vertex_t2f_n3f_v3f> &v); |
|
|
56 | void draw (view &ctx); |
|
|
57 | }; |
|
|
58 | |
|
|
59 | typedef geometry_opengl1d<GL_POINTS> geometry_points; |
|
|
60 | typedef geometry_opengl1d<GL_LINES> geometry_lines; |
|
|
61 | typedef geometry_opengl1d<GL_LINE_STRIP> geometry_line_strip; |
|
|
62 | typedef geometry_opengl1d<GL_LINE_LOOP> geometry_line_loop; |
|
|
63 | typedef geometry_opengl2d<GL_TRIANGLES> geometry_triangles; |
|
|
64 | typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip; |
|
|
65 | typedef geometry_opengl2d<GL_TRIANGLE_FAN> geometry_triangle_fan; |
|
|
66 | typedef geometry_opengl2d<GL_QUADS> geometry_quads; |
|
|
67 | typedef geometry_opengl2d<GL_QUAD_STRIP> geometry_quad_strip; |
|
|
68 | typedef geometry_opengl2d<GL_POLYGON> geometry_polygon; |
|
|
69 | |
|
|
70 | struct geometry_nurbs : geometry, vector<vertex_t2f_n3f_v3f> |
|
|
71 | { |
|
|
72 | GLUnurbsObj *nurb; |
|
|
73 | GLUtesselator *tess; |
|
|
74 | GLfloat ctlpoints[4][4][3]; |
|
|
75 | |
|
|
76 | geometry_nurbs() : tess(0), nurb(0) { } |
|
|
77 | virtual void draw (view &ctx); |
|
|
78 | void set (); |
|
|
79 | }; |
|
|
80 | |
|
|
81 | struct geometry_sphere : geometry |
|
|
82 | { |
|
|
83 | material *m; |
|
|
84 | GLfloat radius; |
|
|
85 | |
|
|
86 | void update (); |
|
|
87 | void draw (view &ctx); |
|
|
88 | geometry_sphere (material *m, GLfloat radius) : m(m), radius(radius) { update (); }; |
|
|
89 | }; |
|
|
90 | |
|
|
91 | struct geometry_indexed_2d : geometry |
|
|
92 | { |
|
|
93 | material *m; |
|
|
94 | |
|
|
95 | GLenum type; |
|
|
96 | |
|
|
97 | vertex_buffer vb; |
|
|
98 | index_buffer ib; |
|
|
99 | |
|
|
100 | void draw (view &ctx); |
|
|
101 | |
|
|
102 | template <typename vertex, typename index> |
|
|
103 | geometry_indexed_2d (material *m, GLenum type, const vector<vertex> &v, const vector<index> &i) |
|
|
104 | : m(m), type(type) |
|
|
105 | { |
|
|
106 | vb.set (v); |
|
|
107 | ib.set (i); |
|
|
108 | |
|
|
109 | bbox.reset (); |
|
|
110 | for (typename vector<vertex>::const_iterator i = v.begin () ; i != v.end (); ++i) |
|
|
111 | bbox.add (i->v); |
|
|
112 | } |
|
|
113 | |
|
|
114 | }; |
|
|
115 | |
|
|
116 | ///////////////////////////////////////////////////////////////////////////// |
|
|
117 | |
|
|
118 | struct geometry_filter : geometry |
|
|
119 | { |
|
|
120 | protected: |
|
|
121 | geometry *g; |
|
|
122 | public: |
|
|
123 | |
|
|
124 | void set (geometry *g); |
|
|
125 | |
|
|
126 | geometry *content () { return g; }; |
|
|
127 | |
|
|
128 | void update (); |
|
|
129 | void show (); |
|
|
130 | void draw (view &ctx); |
|
|
131 | geometry_filter (geometry *g = 0) { set (g); } |
|
|
132 | ~geometry_filter (); |
|
|
133 | }; |
|
|
134 | |
|
|
135 | struct geometry_transform : geometry_filter |
|
|
136 | { |
|
|
137 | protected: |
|
|
138 | matrix m; |
|
|
139 | public: |
|
|
140 | void update (); |
|
|
141 | |
|
|
142 | void show (); |
|
|
143 | void draw (view &ctx); |
|
|
144 | void set_matrix (const matrix &xfrm); |
|
|
145 | void update (const matrix &xfrm); |
|
|
146 | |
|
|
147 | geometry_transform (geometry *g) : geometry_filter(g), m(1) { }; |
|
|
148 | geometry_transform () : geometry_filter(0), m(1) { }; |
|
|
149 | }; |
|
|
150 | |
|
|
151 | struct geometry_anim : geometry_transform |
|
|
152 | { |
23 | GLfloat x, y, z; |
153 | GLfloat vx, vy, vz; |
|
|
154 | void draw (view &ctx); |
24 | }; |
155 | }; |
25 | |
156 | |
26 | struct colour { |
157 | struct geometry_container : geometry, protected vector<geometry *> |
27 | GLfloat r, g, b; |
158 | { |
28 | }; |
159 | void update (); |
29 | |
160 | |
30 | struct vect { |
161 | void add (geometry *g); |
31 | GLfloat x, y, z; |
162 | void draw (view &ctx); |
|
|
163 | ~geometry_container (); |
32 | }; |
164 | }; |
33 | |
165 | |
34 | struct texc { |
166 | ///////////////////////////////////////////////////////////////////////////// |
35 | GLfloat u, v; |
|
|
36 | }; |
|
|
37 | |
167 | |
38 | struct box { |
168 | struct entity_visibility : visibility_base { |
|
|
169 | entity *e; |
|
|
170 | double next; // time of next check |
|
|
171 | int occ_res; |
|
|
172 | |
|
|
173 | void clear () |
|
|
174 | { |
|
|
175 | next = 0.; |
|
|
176 | occ_res = -1; |
|
|
177 | } |
|
|
178 | |
|
|
179 | entity_visibility (entity &e) |
|
|
180 | : e(&e) |
|
|
181 | { |
|
|
182 | clear (); |
|
|
183 | } |
|
|
184 | }; |
|
|
185 | |
|
|
186 | struct entity : geometry_filter, visible |
|
|
187 | { |
|
|
188 | sector orig; |
39 | point a, b; |
189 | point p; |
|
|
190 | sector a, b; // bounding box corners |
40 | |
191 | |
41 | void reset () |
|
|
42 | { |
|
|
43 | a.x = a.y = a.z = GLFLOAT_MAX; |
|
|
44 | b.x = b.y = b.z = GLFLOAT_MIN; |
|
|
45 | } |
|
|
46 | |
|
|
47 | void add (const box &o); |
|
|
48 | }; |
|
|
49 | |
|
|
50 | struct entity_base { |
|
|
51 | struct entity_base *parent; |
|
|
52 | vector<octant *> o; |
192 | vector<octant *> o; |
53 | box bbox; |
|
|
54 | |
193 | |
55 | virtual void update_bbox (); |
|
|
56 | virtual void show (const sector &sec) { }; |
|
|
57 | void hide (); |
|
|
58 | virtual void draw () = 0; |
|
|
59 | virtual ~entity_base () |
|
|
60 | { |
|
|
61 | hide (); |
|
|
62 | }; |
|
|
63 | }; |
|
|
64 | |
|
|
65 | struct entity_container : entity_base, protected vector<entity_base *> { |
|
|
66 | void update_bbox (); |
194 | void update (); |
67 | void show (const sector &sec); |
|
|
68 | void draw (); |
195 | void draw (view &ctx); |
69 | ~entity_container (); |
|
|
70 | }; |
|
|
71 | |
196 | |
|
|
197 | void move (const vec3 &v); |
|
|
198 | |
|
|
199 | virtual void show (); |
|
|
200 | virtual void hide (); |
|
|
201 | |
|
|
202 | visibility_base *new_visibility (); |
|
|
203 | void clear_visibility (visibility_base *vs); |
|
|
204 | |
|
|
205 | entity (geometry *g = 0); |
|
|
206 | ~entity (); |
|
|
207 | }; |
|
|
208 | |
|
|
209 | struct entity_moveable : entity |
|
|
210 | { |
|
|
211 | vec3 v; |
|
|
212 | entity_moveable (geometry *g = 0) : entity (g) { } |
|
|
213 | |
|
|
214 | void perform_step (double t); |
|
|
215 | }; |
|
|
216 | |
72 | struct entity_filter : entity_base { |
217 | struct entity_light : entity |
73 | protected: |
218 | { |
74 | entity_base *e; |
219 | light *lview; |
75 | public: |
220 | }; |
76 | |
221 | |
77 | void set (entity_base *e) |
222 | ///////////////////////////////////////////////////////////////////////////// |
78 | { |
223 | // not the final API(!) |
79 | this->e = e; |
|
|
80 | e->parent = this; |
|
|
81 | } |
|
|
82 | |
224 | |
83 | void remove () |
225 | struct skybox |
84 | { |
226 | { |
85 | this->e->parent = 0; |
227 | texture *tex[6]; |
86 | this->e = 0; |
|
|
87 | } |
|
|
88 | |
228 | |
89 | entity_base *content () { return e; }; |
229 | skybox ( |
|
|
230 | const char *left, |
|
|
231 | const char *front, |
|
|
232 | const char *right, |
|
|
233 | const char *back, |
|
|
234 | const char *top, |
|
|
235 | const char *bottom |
|
|
236 | ); |
90 | |
237 | |
|
|
238 | ~skybox (); |
|
|
239 | |
|
|
240 | void draw (view &ctx); |
|
|
241 | }; |
|
|
242 | |
|
|
243 | ///////////////////////////////////////////////////////////////////////////// |
|
|
244 | // |
|
|
245 | // VERY EXPERIMENTAL HEIGHTMAP |
|
|
246 | |
|
|
247 | struct geometry_heightfield : geometry |
|
|
248 | { |
|
|
249 | struct node; |
|
|
250 | |
|
|
251 | node *tree; |
|
|
252 | |
|
|
253 | GLfloat sx, sy, sm; |
|
|
254 | |
91 | void update_bbox (); |
255 | void update (); |
92 | void show (const sector &sec); |
|
|
93 | void draw (); |
256 | void draw (view &ctx); |
94 | ~entity_filter (); |
257 | geometry_heightfield (GLfloat sx, GLfloat sy); |
95 | }; |
258 | }; |
96 | |
|
|
97 | struct entity : entity_filter { |
|
|
98 | sector sec; |
|
|
99 | |
|
|
100 | void show (const sector &sec); |
|
|
101 | void draw (); |
|
|
102 | }; |
|
|
103 | |
|
|
104 | struct entity_affine : entity_filter { |
|
|
105 | //matrix m; |
|
|
106 | }; |
|
|
107 | |
|
|
108 | struct vertex1d { |
|
|
109 | point v; // vertex |
|
|
110 | colour c; // colour |
|
|
111 | }; |
|
|
112 | |
|
|
113 | struct vertex2d { |
|
|
114 | point v; // vertex |
|
|
115 | colour c; // colour |
|
|
116 | vect n; // normal |
|
|
117 | texc t; // texture |
|
|
118 | }; |
|
|
119 | |
|
|
120 | template<GLenum type> |
|
|
121 | struct entity_opengl1d : entity_base, vector<vertex1d> { |
|
|
122 | void update_bbox (); |
|
|
123 | void show (const sector &sec); |
|
|
124 | void draw (); |
|
|
125 | }; |
|
|
126 | |
|
|
127 | template<GLenum type> |
|
|
128 | struct entity_opengl2d : entity_base, vector<vertex2d> { |
|
|
129 | void update_bbox (); |
|
|
130 | void show (const sector &sec); |
|
|
131 | void draw (); |
|
|
132 | }; |
|
|
133 | |
|
|
134 | typedef entity_opengl1d<GL_POINTS> entity_points; |
|
|
135 | typedef entity_opengl1d<GL_LINES> entity_lines; |
|
|
136 | typedef entity_opengl1d<GL_LINE_STRIP> entity_linestrip; |
|
|
137 | typedef entity_opengl1d<GL_LINE_LOOP> entity_lineloop; |
|
|
138 | typedef entity_opengl2d<GL_TRIANGLES> entity_triangles; |
|
|
139 | typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_trianglestrip; |
|
|
140 | typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_trianglefan; |
|
|
141 | typedef entity_opengl2d<GL_QUADS> entity_quads; |
|
|
142 | typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip; |
|
|
143 | typedef entity_opengl2d<GL_POLYGON> entity_polygon; |
|
|
144 | |
259 | |
145 | #endif |
260 | #endif |
146 | |
261 | |
147 | |
262 | |
148 | |
263 | |