| … | |
… | |
| 238 | return m; |
238 | return m; |
| 239 | } |
239 | } |
| 240 | |
240 | |
| 241 | ///////////////////////////////////////////////////////////////////////////// |
241 | ///////////////////////////////////////////////////////////////////////////// |
| 242 | |
242 | |
| 243 | void draw_bbox (vertex_buffer_object &vb, const sector &a, const sector &b) |
243 | void draw_bbox (const sector &a, const sector &b) |
| 244 | { |
244 | { |
| 245 | static GLint verts[] = { |
245 | static vertex_buffer_object vb; |
| 246 | 0x8000, 0x8004, 0x8006, 0x8002, // -x |
246 | static index_buffer_object ib; |
| 247 | 0x8001, 0x8003, 0x8007, 0x8005, // +x |
247 | |
| 248 | 0x8000, 0x8001, 0x8005, 0x8004, // -y |
248 | point pa(a), pb(b); |
| 249 | 0x8007, 0x8003, 0x8002, 0x8006, // +y |
249 | |
| 250 | 0x8000, 0x8002, 0x8003, 0x8001, // -z |
250 | vertex_v3f vd[] = { |
| 251 | 0x8004, 0x8005, 0x8007, 0x8006, // +z |
251 | point (a.x, a.y, a.z), |
| 252 | 0 |
252 | point (b.x, a.y, a.z), |
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|
253 | point (a.x, b.y, a.z), |
|
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254 | point (b.x, b.y, a.z), |
|
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255 | point (a.x, a.y, b.z), |
|
|
256 | point (b.x, a.y, b.z), |
|
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257 | point (a.x, b.y, b.z), |
|
|
258 | point (b.x, b.y, b.z), |
| 253 | }; |
259 | }; |
| 254 | |
260 | |
| 255 | point pa(a), pb(b); |
261 | if (!ib) |
| 256 | |
|
|
| 257 | vector<vertex_v3f> vd; |
|
|
| 258 | |
|
|
| 259 | for (GLint *v = verts; *v; v++) |
|
|
| 260 | { |
262 | { |
| 261 | GLint mask = *v; |
263 | static index_ushort verts[4*6] = { |
| 262 | |
264 | 0, 4, 6, 2, // -x |
| 263 | vd.push_back (point ( |
265 | 1, 3, 7, 5, // +x |
| 264 | mask & 1 ? pb.x : pa.x, |
266 | 0, 1, 5, 4, // -y |
| 265 | mask & 2 ? pb.y : pa.y, |
267 | 7, 3, 2, 6, // +y |
| 266 | mask & 4 ? pb.z : pa.z |
268 | 0, 2, 3, 1, // -z |
|
|
269 | 4, 5, 7, 6, // +z |
| 267 | )); |
270 | }; |
|
|
271 | |
|
|
272 | ib.set (verts, 4*6, GL_STATIC_DRAW_ARB); |
| 268 | } |
273 | } |
| 269 | |
274 | |
| 270 | vb.set (vd, GL_STATIC_DRAW_ARB); |
275 | vb.set (vd, 8, GL_STREAM_DRAW_ARB); |
|
|
276 | vb.bind (); |
| 271 | vb.draw (GL_QUADS, 0, 6*4); |
277 | ib.draw (GL_QUADS, 0, 6*4); |
| 272 | } |
278 | } |
| 273 | |
279 | |
| 274 | int nesting; |
280 | int nesting; |
| 275 | |
281 | |
| 276 | void errchk (const char *name, const char *args, const char *file, int line) |
282 | void errchk (const char *name, const char *args, const char *file, int line) |
