16 |
|
#include <GL/glu.h> |
17 |
|
#include <glut.h> |
18 |
|
#endif |
19 |
< |
#include "object.h" |
19 |
> |
#include "sm_flag.h" |
20 |
|
#include "sm_list.h" |
21 |
|
#include "sm_geom.h" |
22 |
+ |
#include "sm_qtree.h" |
23 |
+ |
#include "sm_stree.h" |
24 |
|
#include "sm.h" |
25 |
|
|
26 |
|
#ifdef TEST_DRIVER |
43 |
|
QTRAVG av; /* node average */ |
44 |
|
} QT_LUENT; /* lookup table entry */ |
45 |
|
|
46 |
< |
static QT_LUENT *qt_htbl = NULL; /* quadtree hash table */ |
47 |
< |
static int qt_hsiz = 0; /* quadtree hash table size */ |
46 |
> |
static QT_LUENT *qt_htbl = NULL; /* quadtree cache */ |
47 |
> |
static int qt_hsiz = 0; /* quadtree cache size */ |
48 |
|
|
49 |
|
|
50 |
< |
int |
51 |
< |
mark_active_tris(qtptr,arg) |
52 |
< |
QUADTREE *qtptr; |
53 |
< |
char *arg; |
54 |
< |
{ |
55 |
< |
QUADTREE qt = *qtptr; |
54 |
< |
OBJECT os[QT_MAX_SET+1],*optr; |
55 |
< |
register int i,t_id; |
56 |
< |
|
57 |
< |
if (!QT_IS_LEAF(qt)) |
58 |
< |
return(TRUE); |
59 |
< |
/* For each triangle in the set, set the which flag*/ |
60 |
< |
qtgetset(os,qt); |
61 |
< |
|
62 |
< |
for (i = QT_SET_CNT(os), optr = QT_SET_PTR(os); i > 0; i--) |
63 |
< |
{ |
64 |
< |
t_id = QT_SET_NEXT_ELEM(optr); |
65 |
< |
/* Set the render flag */ |
66 |
< |
if(SM_IS_NTH_T_BASE(smMesh,t_id)) |
67 |
< |
continue; |
68 |
< |
SM_SET_NTH_T_ACTIVE(smMesh,t_id); |
69 |
< |
/* FOR NOW:Also set the LRU clock bit: MAY WANT TO CHANGE: */ |
70 |
< |
SM_SET_NTH_T_LRU(smMesh,t_id); |
71 |
< |
} |
72 |
< |
return(TRUE); |
73 |
< |
} |
74 |
< |
|
75 |
< |
mark_tris_in_frustum(view) |
76 |
< |
VIEW *view; |
77 |
< |
{ |
78 |
< |
FVECT nr[4],far[4]; |
79 |
< |
|
80 |
< |
/* Mark triangles in approx. view frustum as being active:set |
81 |
< |
LRU counter: for use in discarding samples when out |
82 |
< |
of space |
83 |
< |
Radiance often has no far clipping plane: but driver will set |
84 |
< |
dev_zmin,dev_zmax to satisfy OGL |
85 |
< |
*/ |
86 |
< |
|
87 |
< |
/* First clear all the quadtree node and triangle active flags */ |
88 |
< |
qtClearAllFlags(); |
89 |
< |
smClear_flags(smMesh,T_ACTIVE_FLAG); |
90 |
< |
|
91 |
< |
/* calculate the world space coordinates of the view frustum */ |
92 |
< |
calculate_view_frustum(view->vp,view->hvec,view->vvec,view->horiz, |
93 |
< |
view->vert, dev_zmin,dev_zmax,nr,far); |
94 |
< |
|
95 |
< |
/* Project the view frustum onto the spherical quadtree */ |
96 |
< |
/* For every cell intersected by the projection of the faces |
97 |
< |
of the frustum: mark all triangles in the cell as ACTIVE- |
98 |
< |
Also set the triangles LRU clock counter |
99 |
< |
*/ |
100 |
< |
/* Near face triangles */ |
101 |
< |
smLocator_apply_func(smMesh,nr[0],nr[2],nr[3],mark_active_tris,NULL); |
102 |
< |
smLocator_apply_func(smMesh,nr[2],nr[0],nr[1],mark_active_tris,NULL); |
103 |
< |
/* Right face triangles */ |
104 |
< |
smLocator_apply_func(smMesh,nr[0],far[3],far[0],mark_active_tris,NULL); |
105 |
< |
smLocator_apply_func(smMesh,far[3],nr[0],nr[3],mark_active_tris,NULL); |
106 |
< |
/* Left face triangles */ |
107 |
< |
smLocator_apply_func(smMesh,nr[1],far[2],nr[2],mark_active_tris,NULL); |
108 |
< |
smLocator_apply_func(smMesh,far[2],nr[1],far[1],mark_active_tris,NULL); |
109 |
< |
/* Top face triangles */ |
110 |
< |
smLocator_apply_func(smMesh,nr[0],far[0],nr[1],mark_active_tris,NULL); |
111 |
< |
smLocator_apply_func(smMesh,nr[1],far[0],far[1],mark_active_tris,NULL); |
112 |
< |
/* Bottom face triangles */ |
113 |
< |
smLocator_apply_func(smMesh,nr[3],nr[2],far[3],mark_active_tris,NULL); |
114 |
< |
smLocator_apply_func(smMesh,nr[2],far[2],far[3],mark_active_tris,NULL); |
115 |
< |
/* Far face triangles */ |
116 |
< |
smLocator_apply_func(smMesh,far[0],far[2],far[1],mark_active_tris,NULL); |
117 |
< |
smLocator_apply_func(smMesh,far[2],far[0],far[3],mark_active_tris,NULL); |
118 |
< |
|
119 |
< |
#ifdef TEST_DRIVER |
120 |
< |
VCOPY(FrustumFar[0],far[0]); |
121 |
< |
VCOPY(FrustumFar[1],far[1]); |
122 |
< |
VCOPY(FrustumFar[2],far[2]); |
123 |
< |
VCOPY(FrustumFar[3],far[3]); |
124 |
< |
VCOPY(FrustumNear[0],nr[0]); |
125 |
< |
VCOPY(FrustumNear[1],nr[1]); |
126 |
< |
VCOPY(FrustumNear[2],nr[2]); |
127 |
< |
VCOPY(FrustumNear[3],nr[3]); |
128 |
< |
#endif |
129 |
< |
} |
130 |
< |
|
131 |
< |
/* |
132 |
< |
* smClean() : display has been wiped clean |
133 |
< |
* |
134 |
< |
* Called after display has been effectively cleared, meaning that all |
135 |
< |
* geometry must be resent down the pipeline in the next call to smUpdate(). |
136 |
< |
*/ |
50 |
> |
/* |
51 |
> |
* smClean() : display has been wiped clean |
52 |
> |
* |
53 |
> |
* Called after display has been effectively cleared, meaning that all |
54 |
> |
* geometry must be resent down the pipeline in the next call to smUpdate(). |
55 |
> |
*/ |
56 |
|
smClean() |
57 |
|
{ |
58 |
|
smClean_notify = TRUE; |
59 |
|
} |
60 |
|
|
61 |
|
int |
62 |
< |
qtHash_init(nel) /* initialize for at least nel elements */ |
62 |
> |
qtCache_init(nel) /* initialize for at least nel elements */ |
63 |
|
int nel; |
64 |
|
{ |
65 |
|
static int hsiztab[] = { |
90 |
|
} |
91 |
|
|
92 |
|
QT_LUENT * |
93 |
< |
qtHash_find(qt) /* find a quadtree table entry */ |
93 |
> |
qtCache_find(qt) /* find a quadtree table entry */ |
94 |
|
QUADTREE qt; |
95 |
|
{ |
96 |
|
int i, n; |
97 |
|
register int ndx; |
98 |
|
register QT_LUENT *le; |
99 |
|
|
100 |
< |
if (qt_hsiz == 0) |
101 |
< |
qtHash_init(1); |
100 |
> |
if (qt_hsiz == 0 && !qtCache_init(1)) |
101 |
> |
return(NULL); |
102 |
|
tryagain: /* hash table lookup */ |
103 |
|
ndx = (unsigned long)qt % qt_hsiz; |
104 |
|
for (i = 0, n = 1; i < qt_hsiz; i++, n += 2) { |
111 |
|
/* table is full, reallocate */ |
112 |
|
le = qt_htbl; |
113 |
|
ndx = qt_hsiz; |
114 |
< |
if (!qtHash_init(ndx+1)) { /* no more memory! */ |
114 |
> |
if (!qtCache_init(ndx+1)) { /* no more memory! */ |
115 |
|
qt_htbl = le; |
116 |
|
qt_hsiz = ndx; |
117 |
|
return(NULL); |
118 |
|
} |
119 |
< |
if (!ndx) |
201 |
< |
goto tryagain; |
202 |
< |
/* copy old table to new */ |
119 |
> |
/* copy old table to new and free */ |
120 |
|
while (ndx--) |
121 |
|
if (!QT_IS_EMPTY(le[ndx].qt)) |
122 |
< |
copystruct(qtHash_find(le[ndx].qt), &le[ndx]); |
122 |
> |
copystruct(qtCache_find(le[ndx].qt), &le[ndx]); |
123 |
|
free((char *)le); |
124 |
|
goto tryagain; /* should happen only once! */ |
125 |
|
} |
139 |
|
stCount_level_leaves(lcnt+1, QT_NTH_CHILD(qt,3)); |
140 |
|
} |
141 |
|
else |
142 |
< |
lcnt[0]++; |
142 |
> |
if(QT_LEAF_IS_FLAG(qt)) |
143 |
> |
lcnt[0]++; |
144 |
|
} |
145 |
|
|
146 |
|
|
154 |
|
FVECT a,b,c; |
155 |
|
register QT_LUENT *le; |
156 |
|
QTRAVG *rc[4]; |
157 |
+ |
TRI *tri; |
158 |
|
|
159 |
|
if (QT_IS_EMPTY(qt)) /* empty leaf node */ |
160 |
|
return(NULL); |
161 |
|
if (QT_IS_TREE(qt) && !QT_IS_FLAG(qt)) /* not in our frustum */ |
162 |
|
return(NULL); |
163 |
+ |
if(QT_IS_LEAF(qt) && !QT_LEAF_IS_FLAG(qt)) /* not in our frustum */ |
164 |
+ |
return(NULL); |
165 |
|
/* else look up node */ |
166 |
< |
if ((le = qtHash_find(qt)) == NULL) |
166 |
> |
if ((le = qtCache_find(qt)) == NULL) |
167 |
|
error(SYSTEM, "out of memory in qtRender_level"); |
168 |
|
if (QT_IS_TREE(qt) && (QT_IS_EMPTY(le->qt) || lvl > 0)) |
169 |
|
{ /* compute children */ |
170 |
|
qtSubdivide_tri(v0,v1,v2,a,b,c); |
171 |
< |
rc[0] = qtRender_level(QT_NTH_CHILD(qt,0),v0,a,c,sm,lvl-1); |
172 |
< |
rc[1] = qtRender_level(QT_NTH_CHILD(qt,1),a,v1,b,sm,lvl-1); |
173 |
< |
rc[2] = qtRender_level(QT_NTH_CHILD(qt,2),c,b,v2,sm,lvl-1); |
174 |
< |
rc[3] = qtRender_level(QT_NTH_CHILD(qt,3),b,c,a,sm,lvl-1); |
171 |
> |
rc[0] = qtRender_level(QT_NTH_CHILD(qt,0),v0,c,b,sm,lvl-1); |
172 |
> |
rc[1] = qtRender_level(QT_NTH_CHILD(qt,1),c,v1,a,sm,lvl-1); |
173 |
> |
rc[2] = qtRender_level(QT_NTH_CHILD(qt,2),b,a,v2,sm,lvl-1); |
174 |
> |
rc[3] = qtRender_level(QT_NTH_CHILD(qt,3),a,b,c,sm,lvl-1); |
175 |
|
} |
176 |
|
if (QT_IS_EMPTY(le->qt)) |
177 |
|
{ /* let's make some data! */ |
192 |
|
} |
193 |
|
else |
194 |
|
{ /* from triangle set */ |
195 |
< |
OBJECT os[QT_MAX_SET+1]; |
195 |
> |
OBJECT *os; |
196 |
|
int s0, s1, s2; |
197 |
< |
|
198 |
< |
qtgetset(os,qt); |
199 |
< |
for (n = os[0]; n; n--) |
197 |
> |
|
198 |
> |
os = qtqueryset(qt); |
199 |
> |
for (i = os[0]; i; i--) |
200 |
|
{ |
201 |
< |
qtTri_from_id(os[n],a,b,c,NULL,NULL,NULL,&s0,&s1,&s2); |
201 |
> |
if(SM_IS_NTH_T_BASE(sm,os[i])) |
202 |
> |
continue; |
203 |
> |
tri = SM_NTH_TRI(sm,os[i]); |
204 |
> |
if(!T_IS_VALID(tri)) |
205 |
> |
continue; |
206 |
> |
n++; |
207 |
> |
s0 = T_NTH_V(tri,0); |
208 |
> |
s1 = T_NTH_V(tri,1); |
209 |
> |
s2 = T_NTH_V(tri,2); |
210 |
> |
VCOPY(a,SM_NTH_WV(sm,s0)); |
211 |
> |
VCOPY(b,SM_NTH_WV(sm,s1)); |
212 |
> |
VCOPY(c,SM_NTH_WV(sm,s2)); |
213 |
|
distsum += SM_BG_SAMPLE(sm,s0) ? dev_zmax |
214 |
|
: sqrt(dist2(a,SM_VIEW_CENTER(sm))); |
215 |
|
distsum += SM_BG_SAMPLE(sm,s1) ? dev_zmax |
223 |
|
rgbs[2] += SM_NTH_RGB(sm,s0)[2] + SM_NTH_RGB(sm,s1)[2] |
224 |
|
+ SM_NTH_RGB(sm,s2)[2]; |
225 |
|
} |
226 |
< |
n = 3*os[0]; |
226 |
> |
n *= 3; |
227 |
|
} |
228 |
|
if (!n) |
229 |
|
return(NULL); |
241 |
|
VSUM(c,SM_VIEW_CENTER(sm),c,le->av.dist); |
242 |
|
/* draw triangle */ |
243 |
|
glColor3ub(le->av.rgb[0],le->av.rgb[1],le->av.rgb[2]); |
312 |
– |
/* NOTE: Triangle vertex order may change */ |
313 |
– |
glVertex3d(c[0],c[1],c[2]); |
314 |
– |
glVertex3d(b[0],b[1],b[2]); |
244 |
|
glVertex3d(a[0],a[1],a[2]); |
245 |
+ |
glVertex3d(b[0],b[1],b[2]); |
246 |
+ |
glVertex3d(c[0],c[1],c[2]); |
247 |
+ |
|
248 |
|
} |
249 |
|
return(&le->av); |
250 |
|
} |
254 |
|
SM *sm; |
255 |
|
int lvl; |
256 |
|
{ |
257 |
< |
QUADTREE root; |
257 |
> |
QUADTREE qt; |
258 |
|
int i; |
259 |
|
FVECT t0,t1,t2; |
260 |
+ |
STREE *st; |
261 |
|
|
262 |
< |
if (lvl < 1) |
262 |
> |
|
263 |
> |
if (lvl < 0) |
264 |
|
return; |
265 |
+ |
st = SM_LOCATOR(sm); |
266 |
|
glPushAttrib(GL_LIGHTING_BIT); |
267 |
|
glShadeModel(GL_FLAT); |
268 |
|
glBegin(GL_TRIANGLES); |
269 |
< |
for(i=0; i < 4; i++) |
269 |
> |
for(i=0; i < ST_NUM_ROOT_NODES; i++) |
270 |
|
{ |
271 |
< |
root = ST_NTH_ROOT(SM_LOCATOR(sm),i); |
272 |
< |
stNth_base_verts(SM_LOCATOR(sm),i,t0,t1,t2); |
273 |
< |
qtRender_level(root,t0,t1,t2,sm,lvl-1); |
271 |
> |
qt = ST_ROOT_QT(st,i); |
272 |
> |
qtRender_level(qt,ST_NTH_V(st,i,0),ST_NTH_V(st,i,1),ST_NTH_V(st,i,2), |
273 |
> |
sm,lvl); |
274 |
|
} |
275 |
|
glEnd(); |
276 |
|
glPopAttrib(); |
283 |
|
{ |
284 |
|
int i, ntarget; |
285 |
|
int lvlcnt[QT_MAX_LEVELS]; |
286 |
+ |
STREE *st; |
287 |
|
|
288 |
|
if (qual <= 0) |
289 |
|
return; |
296 |
|
return; |
297 |
|
for (i = QT_MAX_LEVELS; i--; ) |
298 |
|
lvlcnt[i] = 0; |
299 |
< |
stCount_level_leaves(lvlcnt, SM_LOCATOR(sm)->root); |
299 |
> |
|
300 |
> |
st = SM_LOCATOR(sm); |
301 |
> |
for(i=0; i < ST_NUM_ROOT_NODES;i++) |
302 |
> |
stCount_level_leaves(lvlcnt, ST_ROOT_QT(st,i)); |
303 |
> |
|
304 |
|
for (ntarget -= lvlcnt[i=0]; i < QT_MAX_LEVELS-1; ntarget -= lvlcnt[++i]) |
305 |
|
if (ntarget < lvlcnt[i+1]) |
306 |
|
break; |
309 |
|
} |
310 |
|
|
311 |
|
|
372 |
– |
smRender_tri(sm,i,vp,clr) |
373 |
– |
SM *sm; |
374 |
– |
int i; |
375 |
– |
FVECT vp; |
376 |
– |
int clr; |
377 |
– |
{ |
378 |
– |
TRI *tri; |
379 |
– |
double ptr[3]; |
380 |
– |
int j; |
312 |
|
|
313 |
< |
tri = SM_NTH_TRI(sm,i); |
314 |
< |
if (clr) SM_CLEAR_NTH_T_NEW(sm,i); |
313 |
> |
#define render_tri(v0,v1,v2,rgb0,rgb1,rgb2) \ |
314 |
> |
{glColor3ub(rgb0[0],rgb0[1],rgb0[2]); glVertex3fv(v0); \ |
315 |
> |
glColor3ub(rgb1[0],rgb1[1],rgb1[2]); glVertex3fv(v1); \ |
316 |
> |
glColor3ub(rgb2[0],rgb2[1],rgb2[2]); glVertex3fv(v2);} \ |
317 |
|
|
318 |
< |
/* NOTE:Triangles are defined clockwise:historical relative to spherical |
319 |
< |
tris: could change |
320 |
< |
*/ |
321 |
< |
for(j=2; j>= 0; j--) |
322 |
< |
{ |
390 |
< |
#ifdef DEBUG |
391 |
< |
if(SM_BG_SAMPLE(sm,T_NTH_V(tri,j))) |
392 |
< |
eputs("SmRenderTri(): shouldnt have bg samples\n"); |
393 |
< |
#endif |
394 |
< |
glColor3ub(SM_NTH_RGB(sm,T_NTH_V(tri,j))[0], |
395 |
< |
SM_NTH_RGB(sm,T_NTH_V(tri,j))[1], |
396 |
< |
SM_NTH_RGB(sm,T_NTH_V(tri,j))[2]); |
397 |
< |
VCOPY(ptr,SM_T_NTH_WV(sm,tri,j)); |
398 |
< |
glVertex3d(ptr[0],ptr[1],ptr[2]); |
399 |
< |
} |
400 |
< |
} |
401 |
< |
|
402 |
< |
smRender_mixed_tri(sm,i,vp,clr) |
403 |
< |
SM *sm; |
404 |
< |
int i; |
405 |
< |
FVECT vp; |
406 |
< |
int clr; |
318 |
> |
render_mixed_tri(v0,v1,v2,rgb0,rgb1,rgb2,bg0,bg1,bg2,vp,vc) |
319 |
> |
float v0[3],v1[3],v2[3]; |
320 |
> |
BYTE rgb0[3],rgb1[3],rgb2[3]; |
321 |
> |
int bg0,bg1,bg2; |
322 |
> |
FVECT vp,vc; |
323 |
|
{ |
408 |
– |
TRI *tri; |
324 |
|
double p[3],d; |
325 |
|
int j,ids[3],cnt; |
326 |
|
int rgb[3]; |
327 |
|
|
413 |
– |
tri = SM_NTH_TRI(sm,i); |
414 |
– |
if (clr) SM_CLEAR_NTH_T_NEW(sm,i); |
415 |
– |
|
328 |
|
/* NOTE:Triangles are defined clockwise:historical relative to spherical |
329 |
|
tris: could change |
330 |
|
*/ |
331 |
|
cnt = 0; |
332 |
|
d = 0.0; |
333 |
|
rgb[0] = rgb[1] = rgb[2] = 0; |
334 |
< |
for(j=0;j < 3;j++) |
334 |
> |
|
335 |
> |
if(bg0 && bg1 && bg2) |
336 |
> |
return; |
337 |
> |
|
338 |
> |
if(!bg0) |
339 |
|
{ |
340 |
< |
ids[j] = T_NTH_V(tri,j); |
341 |
< |
if(!SM_BG_SAMPLE(sm,ids[j])) |
342 |
< |
{ |
343 |
< |
rgb[0] += SM_NTH_RGB(sm,ids[j])[0]; |
344 |
< |
rgb[1] += SM_NTH_RGB(sm,ids[j])[1]; |
429 |
< |
rgb[2] += SM_NTH_RGB(sm,ids[j])[2]; |
430 |
< |
cnt++; |
431 |
< |
d += DIST(vp,SM_NTH_WV(sm,ids[j])); |
432 |
< |
} |
340 |
> |
rgb[0] += rgb0[0]; |
341 |
> |
rgb[1] += rgb0[1]; |
342 |
> |
rgb[2] += rgb0[2]; |
343 |
> |
cnt++; |
344 |
> |
d += DIST(vp,v0); |
345 |
|
} |
346 |
+ |
if(!bg1) |
347 |
+ |
{ |
348 |
+ |
rgb[0] += rgb1[0]; |
349 |
+ |
rgb[1] += rgb1[1]; |
350 |
+ |
rgb[2] += rgb1[2]; |
351 |
+ |
cnt++; |
352 |
+ |
d += DIST(vp,v1); |
353 |
+ |
} |
354 |
+ |
if(!bg2) |
355 |
+ |
{ |
356 |
+ |
rgb[0] += rgb2[0]; |
357 |
+ |
rgb[1] += rgb2[1]; |
358 |
+ |
rgb[2] += rgb2[2]; |
359 |
+ |
cnt++; |
360 |
+ |
d += DIST(vp,v2); |
361 |
+ |
} |
362 |
|
if(cnt > 1) |
363 |
|
{ |
364 |
|
rgb[0]/=cnt; rgb[1]/=cnt; rgb[2]/=cnt; |
365 |
|
d /= (double)cnt; |
366 |
|
} |
367 |
< |
for(j=2; j>= 0; j--) |
367 |
> |
if(bg0) |
368 |
|
{ |
369 |
< |
if(SM_BG_SAMPLE(sm,ids[j])) |
370 |
< |
{ |
371 |
< |
glColor3ub(rgb[0],rgb[1],rgb[2]); |
372 |
< |
VSUB(p,SM_NTH_WV(sm,ids[j]),SM_VIEW_CENTER(sm)); |
373 |
< |
p[0] *= d; |
374 |
< |
p[1] *= d; |
375 |
< |
p[2] *= d; |
376 |
< |
VADD(p,p,SM_VIEW_CENTER(sm)); |
377 |
< |
} |
378 |
< |
else |
379 |
< |
{ |
380 |
< |
glColor3ub(SM_NTH_RGB(sm,ids[j])[0],SM_NTH_RGB(sm,ids[j])[1], |
453 |
< |
SM_NTH_RGB(sm,ids[j])[2]); |
454 |
< |
VCOPY(p,SM_NTH_WV(sm,ids[j])); |
455 |
< |
} |
456 |
< |
glVertex3d(p[0],p[1],p[2]); |
369 |
> |
glColor3ub(rgb[0],rgb[1],rgb[2]); |
370 |
> |
VSUB(p,v0,vc); |
371 |
> |
p[0] *= d; |
372 |
> |
p[1] *= d; |
373 |
> |
p[2] *= d; |
374 |
> |
VADD(p,p,vc); |
375 |
> |
glVertex3dv(p); |
376 |
> |
} |
377 |
> |
else |
378 |
> |
{ |
379 |
> |
glColor3ub(rgb0[0],rgb0[1],rgb0[2]); |
380 |
> |
glVertex3fv(v0); |
381 |
|
} |
382 |
+ |
if(bg1) |
383 |
+ |
{ |
384 |
+ |
glColor3ub(rgb[0],rgb[1],rgb[2]); |
385 |
+ |
VSUB(p,v1,vc); |
386 |
+ |
p[0] *= d; |
387 |
+ |
p[1] *= d; |
388 |
+ |
p[2] *= d; |
389 |
+ |
VADD(p,p,vc); |
390 |
+ |
glVertex3dv(p); |
391 |
+ |
} |
392 |
+ |
else |
393 |
+ |
{ |
394 |
+ |
glColor3ub(rgb1[0],rgb1[1],rgb1[2]); |
395 |
+ |
glVertex3fv(v1); |
396 |
+ |
} |
397 |
+ |
if(bg2) |
398 |
+ |
{ |
399 |
+ |
glColor3ub(rgb[0],rgb[1],rgb[2]); |
400 |
+ |
VSUB(p,v2,vc); |
401 |
+ |
p[0] *= d; |
402 |
+ |
p[1] *= d; |
403 |
+ |
p[2] *= d; |
404 |
+ |
VADD(p,p,vc); |
405 |
+ |
glVertex3dv(p); |
406 |
+ |
} |
407 |
+ |
else |
408 |
+ |
{ |
409 |
+ |
glColor3ub(rgb2[0],rgb2[1],rgb2[2]); |
410 |
+ |
glVertex3fv(v2); |
411 |
+ |
} |
412 |
+ |
|
413 |
|
} |
414 |
|
|
415 |
< |
smRender_bg_tri(sm,i,vp,d,clr) |
416 |
< |
SM *sm; |
417 |
< |
int i; |
418 |
< |
FVECT vp; |
415 |
> |
render_bg_tri(v0,v1,v2,rgb0,rgb1,rgb2,vp,vc,d) |
416 |
> |
float v0[3],v1[3],v2[3]; |
417 |
> |
BYTE rgb0[3],rgb1[3],rgb2[3]; |
418 |
> |
FVECT vp,vc; |
419 |
|
double d; |
465 |
– |
int clr; |
420 |
|
{ |
421 |
|
double p[3]; |
468 |
– |
int j,id; |
469 |
– |
TRI *tri; |
422 |
|
|
423 |
< |
tri = SM_NTH_TRI(sm,i); |
424 |
< |
if (clr) SM_CLEAR_NTH_T_NEW(sm,i); |
423 |
> |
glColor3ub(rgb0[0],rgb0[1],rgb0[2]); |
424 |
> |
VSUB(p,v0,vc); |
425 |
> |
if(dev_zmin >= 0.99) |
426 |
> |
{ |
427 |
> |
p[0] *= d; |
428 |
> |
p[1] *= d; |
429 |
> |
p[2] *= d; |
430 |
> |
} |
431 |
> |
VADD(p,p,vp); |
432 |
> |
glVertex3dv(p); |
433 |
|
|
434 |
< |
/* NOTE:Triangles are defined clockwise:historical relative to spherical |
435 |
< |
tris: could change |
436 |
< |
*/ |
477 |
< |
for(j=2; j>= 0; j--) |
434 |
> |
glColor3ub(rgb1[0],rgb1[1],rgb1[2]); |
435 |
> |
VSUB(p,v1,vc); |
436 |
> |
if(dev_zmin >= 0.99) |
437 |
|
{ |
438 |
< |
id = T_NTH_V(tri,j); |
439 |
< |
glColor3ub(SM_NTH_RGB(sm,id)[0],SM_NTH_RGB(sm,id)[1], |
440 |
< |
SM_NTH_RGB(sm,id)[2]); |
482 |
< |
VSUB(p,SM_NTH_WV(sm,id),SM_VIEW_CENTER(sm)); |
483 |
< |
if(dev_zmin >= 0.99) |
484 |
< |
{ |
485 |
< |
p[0] *= d; |
486 |
< |
p[1] *= d; |
487 |
< |
p[2] *= d; |
488 |
< |
} |
489 |
< |
VADD(p,p,vp); |
490 |
< |
glVertex3d(p[0],p[1],p[2]); |
438 |
> |
p[0] *= d; |
439 |
> |
p[1] *= d; |
440 |
> |
p[2] *= d; |
441 |
|
} |
442 |
+ |
VADD(p,p,vp); |
443 |
+ |
glVertex3dv(p); |
444 |
+ |
|
445 |
+ |
|
446 |
+ |
glColor3ub(rgb2[0],rgb2[1],rgb2[2]); |
447 |
+ |
VSUB(p,v2,vc); |
448 |
+ |
if(dev_zmin >= 0.99) |
449 |
+ |
{ |
450 |
+ |
p[0] *= d; |
451 |
+ |
p[1] *= d; |
452 |
+ |
p[2] *= d; |
453 |
+ |
} |
454 |
+ |
VADD(p,p,vp); |
455 |
+ |
glVertex3dv(p); |
456 |
+ |
|
457 |
|
} |
458 |
|
|
459 |
|
smRender_mesh(sm,vp,clr) |
461 |
|
FVECT vp; |
462 |
|
int clr; |
463 |
|
{ |
464 |
< |
int i; |
464 |
> |
int i,bg0,bg1,bg2; |
465 |
> |
double d; |
466 |
> |
int v0_id,v1_id,v2_id; |
467 |
|
TRI *tri; |
468 |
< |
double ptr[3],d; |
469 |
< |
int j; |
468 |
> |
float (*wp)[3]; |
469 |
> |
BYTE (*rgb)[3]; |
470 |
|
|
471 |
+ |
wp = SM_WP(sm); |
472 |
+ |
rgb =SM_RGB(sm); |
473 |
|
d = (dev_zmin+dev_zmax)/2.0; |
474 |
|
glPushAttrib(GL_DEPTH_BUFFER_BIT); |
475 |
|
|
476 |
|
/* First draw background polygons */ |
508 |
– |
|
477 |
|
glDisable(GL_DEPTH_TEST); |
478 |
|
glBegin(GL_TRIANGLES); |
479 |
+ |
/* Maintain a list? */ |
480 |
|
SM_FOR_ALL_ACTIVE_BG_TRIS(sm,i) |
481 |
< |
smRender_bg_tri(sm,i,vp,d,clr); |
481 |
> |
{ |
482 |
> |
if (clr) |
483 |
> |
SM_CLR_NTH_T_NEW(sm,i); |
484 |
> |
tri = SM_NTH_TRI(sm,i); |
485 |
> |
v0_id = T_NTH_V(tri,0); |
486 |
> |
v1_id = T_NTH_V(tri,1); |
487 |
> |
v2_id = T_NTH_V(tri,2); |
488 |
> |
render_bg_tri(wp[v0_id],wp[v1_id],wp[v2_id],rgb[v0_id],rgb[v1_id], |
489 |
> |
rgb[v2_id],vp,SM_VIEW_CENTER(sm),d); |
490 |
> |
} |
491 |
|
glEnd(); |
514 |
– |
|
492 |
|
glEnable(GL_DEPTH_TEST); |
493 |
|
glBegin(GL_TRIANGLES); |
494 |
|
SM_FOR_ALL_ACTIVE_FG_TRIS(sm,i) |
495 |
|
{ |
496 |
< |
if(!SM_MIXED_TRI(sm,i)) |
497 |
< |
smRender_tri(sm,i,vp,clr); |
498 |
< |
else |
499 |
< |
smRender_mixed_tri(sm,i,vp,clr); |
496 |
> |
if (clr) |
497 |
> |
SM_CLR_NTH_T_NEW(sm,i); |
498 |
> |
tri = SM_NTH_TRI(sm,i); |
499 |
> |
v0_id = T_NTH_V(tri,0); |
500 |
> |
v1_id = T_NTH_V(tri,1); |
501 |
> |
v2_id = T_NTH_V(tri,2); |
502 |
> |
bg0 = SM_DIR_ID(sm,v0_id) || SM_BASE_ID(sm,v0_id); |
503 |
> |
bg1 = SM_DIR_ID(sm,v1_id) || SM_BASE_ID(sm,v1_id); |
504 |
> |
bg2 = SM_DIR_ID(sm,v2_id) || SM_BASE_ID(sm,v2_id); |
505 |
> |
if(!(bg0 || bg1 || bg2)) |
506 |
> |
render_tri(wp[v0_id],wp[v1_id],wp[v2_id],rgb[v0_id],rgb[v1_id], |
507 |
> |
rgb[v2_id]) |
508 |
> |
else |
509 |
> |
render_mixed_tri(wp[v0_id],wp[v1_id],wp[v2_id],rgb[v0_id],rgb[v1_id], |
510 |
> |
rgb[v2_id],bg0,bg1,bg2,vp,SM_VIEW_CENTER(sm)); |
511 |
|
} |
512 |
|
glEnd(); |
513 |
|
|
514 |
|
glPopAttrib(); |
515 |
|
} |
516 |
|
|
517 |
< |
smRender_tri_edges(sm,i) |
518 |
< |
SM *sm; |
531 |
< |
int i; |
517 |
> |
int |
518 |
> |
compare_tri_depths(T_DEPTH *td1,T_DEPTH *td2) |
519 |
|
{ |
520 |
< |
TRI *tri; |
534 |
< |
int j; |
535 |
< |
double ptr[3]; |
520 |
> |
double d; |
521 |
|
|
522 |
+ |
if(td1->tri==-1) |
523 |
+ |
{ |
524 |
+ |
if(td2->tri==-1) |
525 |
+ |
return(0); |
526 |
+ |
else |
527 |
+ |
return(-1); |
528 |
+ |
} |
529 |
+ |
if(td2->tri==-1) |
530 |
+ |
return(1); |
531 |
|
|
532 |
< |
tri = SM_NTH_TRI(sm,i); |
533 |
< |
|
534 |
< |
/* Triangles are defined clockwise:historical relative to spherical |
535 |
< |
tris: could change |
536 |
< |
*/ |
537 |
< |
for(j=2; j >=0; j--) |
538 |
< |
{ |
539 |
< |
VCOPY(ptr,SM_NTH_WV(sm,T_NTH_V(tri,j))); |
546 |
< |
glVertex3d(ptr[0],ptr[1],ptr[2]); |
547 |
< |
VCOPY(ptr,SM_NTH_WV(sm,T_NTH_V(tri,(j+1)%3))); |
548 |
< |
glVertex3d(ptr[0],ptr[1],ptr[2]); |
549 |
< |
} |
532 |
> |
d = td2->depth-td1->depth; |
533 |
> |
|
534 |
> |
if(d > 0.0) |
535 |
> |
return(1); |
536 |
> |
if(d < 0.0) |
537 |
> |
return(-1); |
538 |
> |
|
539 |
> |
return(0); |
540 |
|
} |
541 |
|
|
542 |
|
int |
543 |
< |
compare_tri_depths(T_DEPTH *td1,T_DEPTH *td2) |
543 |
> |
compare_tri_depths_old(T_DEPTH *td1,T_DEPTH *td2) |
544 |
|
{ |
545 |
|
double d; |
546 |
|
|
564 |
|
TRI *tri; |
565 |
|
double d,min_d; |
566 |
|
LIST *tlist=NULL; |
567 |
+ |
FVECT diff; |
568 |
|
|
569 |
|
i = 0; |
570 |
|
SM_FOR_ALL_NEW_TRIS(sm,t_id) |
582 |
|
v = T_NTH_V(tri,j); |
583 |
|
if(!SM_BG_SAMPLE(sm,v)) |
584 |
|
{ |
585 |
< |
d = DIST(vp,SM_NTH_WV(sm,v)); |
585 |
> |
VSUB(diff,SM_NTH_WV(sm,v),vp); |
586 |
> |
d = DOT(diff,diff); |
587 |
|
if(min_d == -1 || d < min_d) |
588 |
|
min_d = d; |
589 |
|
} |
598 |
|
} |
599 |
|
|
600 |
|
|
601 |
+ |
|
602 |
+ |
LIST |
603 |
+ |
*smOrder_new_tris(sm,vp,td,sort) |
604 |
+ |
SM *sm; |
605 |
+ |
FVECT vp; |
606 |
+ |
T_DEPTH *td; |
607 |
+ |
int sort; |
608 |
+ |
{ |
609 |
+ |
int i,j,t_id,v; |
610 |
+ |
TRI *tri; |
611 |
+ |
double d,min_d; |
612 |
+ |
LIST *tlist=NULL; |
613 |
+ |
FVECT diff; |
614 |
+ |
|
615 |
+ |
i = 0; |
616 |
+ |
for(i=0; i < smNew_tri_cnt;i++) |
617 |
+ |
{ |
618 |
+ |
t_id = smNew_tris[i].tri; |
619 |
+ |
|
620 |
+ |
tri = SM_NTH_TRI(sm,t_id); |
621 |
+ |
if(!T_IS_VALID(tri)) |
622 |
+ |
{ |
623 |
+ |
smNew_tris[i].tri = -1; |
624 |
+ |
continue; |
625 |
+ |
} |
626 |
+ |
if(SM_BG_TRI(sm,t_id)) |
627 |
+ |
{ |
628 |
+ |
tlist = push_data(tlist,t_id); |
629 |
+ |
smNew_tris[i].tri = -1; |
630 |
+ |
continue; |
631 |
+ |
} |
632 |
+ |
if(!sort) |
633 |
+ |
continue; |
634 |
+ |
min_d = -1; |
635 |
+ |
for(j=0;j < 3;j++) |
636 |
+ |
{ |
637 |
+ |
v = T_NTH_V(tri,j); |
638 |
+ |
if(!SM_BG_SAMPLE(sm,v)) |
639 |
+ |
{ |
640 |
+ |
VSUB(diff,SM_NTH_WV(sm,v),vp); |
641 |
+ |
d = DOT(diff,diff); |
642 |
+ |
if(min_d == -1 || d < min_d) |
643 |
+ |
min_d = d; |
644 |
+ |
} |
645 |
+ |
} |
646 |
+ |
td[i].depth = min_d; |
647 |
+ |
} |
648 |
+ |
if(!sort) |
649 |
+ |
return(tlist); |
650 |
+ |
qsort((void *)td,smNew_tri_cnt,sizeof(T_DEPTH),compare_tri_depths); |
651 |
+ |
return(tlist); |
652 |
+ |
} |
653 |
+ |
|
654 |
+ |
|
655 |
|
smUpdate_Rendered_mesh(sm,vp,clr) |
656 |
|
SM *sm; |
657 |
|
FVECT vp; |
659 |
|
{ |
660 |
|
static T_DEPTH *td= NULL; |
661 |
|
static int tsize = 0; |
662 |
< |
int i; |
662 |
> |
int i,v0_id,v1_id,v2_id,bg0,bg1,bg2; |
663 |
|
GLint depth_test; |
664 |
|
double d; |
665 |
|
LIST *bglist; |
666 |
+ |
TRI *tri; |
667 |
+ |
float (*wp)[3]; |
668 |
+ |
BYTE (*rgb)[3]; |
669 |
+ |
|
670 |
|
/* For all of the NEW triangles (since last update): assume |
671 |
|
ACTIVE. Go through and sort on depth value (from vp). Turn |
672 |
|
Depth Buffer test off and render back-front |
673 |
|
*/ |
674 |
|
/* NOTE: could malloc each time or hard code */ |
675 |
+ |
#if 0 |
676 |
|
if(smNew_tri_cnt > tsize) |
677 |
|
{ |
678 |
|
if(td) |
685 |
|
error(SYSTEM,"smUpdate_Rendered_mesh:Cannot allocate memory\n"); |
686 |
|
} |
687 |
|
bglist = smDepth_sort_tris(sm,vp,td); |
688 |
< |
|
688 |
> |
#else |
689 |
> |
td = smNew_tris; |
690 |
> |
if(!EQUAL_VEC3(SM_VIEW_CENTER(sm),vp)) |
691 |
> |
bglist = smOrder_new_tris(sm,vp,td,1); |
692 |
> |
else |
693 |
> |
bglist = smOrder_new_tris(sm,vp,td,0); |
694 |
> |
#endif |
695 |
> |
wp = SM_WP(sm); |
696 |
> |
rgb =SM_RGB(sm); |
697 |
|
/* Turn Depth Test off -- using Painter's algorithm */ |
698 |
|
glPushAttrib(GL_DEPTH_BUFFER_BIT); |
699 |
< |
glDisable(GL_DEPTH_TEST); |
699 |
> |
glDepthFunc(GL_ALWAYS); |
700 |
|
d = (dev_zmin+dev_zmax)/2.0; |
701 |
|
/* Now render back-to front */ |
702 |
|
/* First render bg triangles */ |
703 |
|
glBegin(GL_TRIANGLES); |
704 |
|
while(bglist) |
705 |
< |
smRender_bg_tri(sm,pop_list(&bglist),vp,d,clr); |
705 |
> |
{ |
706 |
> |
i = pop_list(&bglist); |
707 |
> |
if (clr) |
708 |
> |
SM_CLR_NTH_T_NEW(sm,i); |
709 |
> |
tri = SM_NTH_TRI(sm,i); |
710 |
> |
v0_id = T_NTH_V(tri,0); |
711 |
> |
v1_id = T_NTH_V(tri,1); |
712 |
> |
v2_id = T_NTH_V(tri,2); |
713 |
> |
render_bg_tri(wp[v0_id],wp[v1_id],wp[v2_id],rgb[v0_id],rgb[v1_id], |
714 |
> |
rgb[v2_id],vp,SM_VIEW_CENTER(sm),d); |
715 |
> |
} |
716 |
|
glEnd(); |
717 |
|
|
718 |
< |
glEnable(GL_DEPTH_TEST); |
718 |
> |
|
719 |
|
glBegin(GL_TRIANGLES); |
720 |
|
i=0; |
721 |
< |
while(td[i].tri != -1) |
722 |
< |
if(!SM_MIXED_TRI(sm,td[i].tri)) |
723 |
< |
smRender_tri(sm,td[i++].tri,vp,clr); |
724 |
< |
else |
725 |
< |
smRender_mixed_tri(sm,td[i++].tri,vp,clr); |
721 |
> |
while(i != smNew_tri_cnt) |
722 |
> |
{ |
723 |
> |
if(td[i].tri == -1) |
724 |
> |
{ |
725 |
> |
i++; |
726 |
> |
continue; |
727 |
> |
} |
728 |
> |
if (clr) |
729 |
> |
SM_CLR_NTH_T_NEW(sm,td[i].tri); |
730 |
> |
tri = SM_NTH_TRI(sm,td[i].tri); |
731 |
> |
v0_id = T_NTH_V(tri,0); |
732 |
> |
v1_id = T_NTH_V(tri,1); |
733 |
> |
v2_id = T_NTH_V(tri,2); |
734 |
> |
bg0 = SM_DIR_ID(sm,v0_id) || SM_BASE_ID(sm,v0_id); |
735 |
> |
bg1 = SM_DIR_ID(sm,v1_id) || SM_BASE_ID(sm,v1_id); |
736 |
> |
bg2 = SM_DIR_ID(sm,v2_id) || SM_BASE_ID(sm,v2_id); |
737 |
> |
if(!(bg0 || bg1 || bg2)) |
738 |
> |
render_tri(wp[v0_id],wp[v1_id],wp[v2_id],rgb[v0_id],rgb[v1_id], |
739 |
> |
rgb[v2_id]) |
740 |
> |
else |
741 |
> |
render_mixed_tri(wp[v0_id],wp[v1_id],wp[v2_id],rgb[v0_id],rgb[v1_id], |
742 |
> |
rgb[v2_id],bg0,bg1,bg2,vp,SM_VIEW_CENTER(sm)); |
743 |
> |
i++; |
744 |
> |
} |
745 |
|
glEnd(); |
746 |
|
|
747 |
|
/* Restore Depth Test */ |
772 |
|
epsilon is calculated as running avg of distance of sample points |
773 |
|
from canonical view: m = 1/(AVG(1/r)): some fraction of this |
774 |
|
*/ |
775 |
+ |
|
776 |
+ |
if(!smMesh) |
777 |
+ |
return; |
778 |
+ |
|
779 |
|
d = DIST(view->vp,SM_VIEW_CENTER(smMesh)); |
780 |
|
if(qual >= 100 && d > SM_ALLOWED_VIEW_CHANGE(smMesh)) |
781 |
|
{ |
782 |
|
/* Re-build the mesh */ |
783 |
|
#ifdef TEST_DRIVER |
784 |
|
odev.v = *view; |
785 |
< |
#endif |
786 |
< |
smRebuild_mesh(smMesh,view->vp); |
785 |
> |
#endif |
786 |
> |
mark_tris_in_frustum(view); |
787 |
> |
smRebuild_mesh(smMesh,view); |
788 |
> |
smClean_notify = TRUE; |
789 |
|
} |
790 |
|
/* This is our final update iff qual==100 and view==&odev.v */ |
791 |
|
last_update = qual>=100 && view==&(odev.v); |
792 |
|
/* Check if we should draw ALL triangles in current frustum */ |
793 |
< |
if(smClean_notify || smNew_tri_cnt > SM_NUM_TRIS(smMesh)*SM_INC_PERCENT) |
793 |
> |
if(smClean_notify || smNew_tri_cnt > SM_SAMPLE_TRIS(smMesh)*SM_INC_PERCENT) |
794 |
|
{ |
795 |
|
#ifdef TEST_DRIVER |
796 |
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
797 |
|
#else |
798 |
< |
if (SM_TONE_MAP(smMesh) < SM_NUM_SAMP(smMesh)) |
798 |
> |
if ( SM_TONE_MAP(smMesh) < SM_NUM_SAMP(smMesh)) |
799 |
|
{ |
800 |
|
tmClearHisto(); |
801 |
|
tmAddHisto(SM_BRT(smMesh),SM_NUM_SAMP(smMesh),1); |
802 |
< |
if(tmComputeMapping(0.,0.,0.) != TM_E_OK || |
803 |
< |
tmMapPixels(SM_RGB(smMesh),SM_BRT(smMesh),SM_CHR(smMesh), |
804 |
< |
SM_NUM_SAMP(smMesh)) != TM_E_OK) |
711 |
< |
return; |
802 |
> |
tmComputeMapping(0.,0.,0.); |
803 |
> |
tmMapPixels(SM_RGB(smMesh),SM_BRT(smMesh),SM_CHR(smMesh), |
804 |
> |
SM_NUM_SAMP(smMesh)); |
805 |
|
} |
806 |
|
#endif |
807 |
|
mark_tris_in_frustum(view); |
816 |
|
} |
817 |
|
/* Do an incremental update instead */ |
818 |
|
else |
819 |
< |
{ |
820 |
< |
if(!smNew_tri_cnt) |
819 |
> |
{ |
820 |
> |
if(!smNew_tri_cnt) |
821 |
|
return; |
822 |
|
#ifdef TEST_DRIVER |
823 |
|
glDrawBuffer(GL_FRONT); |
830 |
|
if(tmComputeMapping(0.,0.,0.) != TM_E_OK) |
831 |
|
return; |
832 |
|
} |
833 |
< |
if(tmMapPixels(SM_NTH_RGB(smMesh,t),&SM_NTH_BRT(smMesh,t), |
834 |
< |
SM_NTH_CHR(smMesh,t), SM_NUM_SAMP(smMesh)-t) != TM_E_OK) |
835 |
< |
return; |
833 |
> |
tmMapPixels(SM_NTH_RGB(smMesh,t),&SM_NTH_BRT(smMesh,t), |
834 |
> |
SM_NTH_CHR(smMesh,t), SM_NUM_SAMP(smMesh)-t); |
835 |
> |
|
836 |
|
#endif |
837 |
|
smUpdate_Rendered_mesh(smMesh,view->vp,last_update); |
838 |
|
|
840 |
|
glDrawBuffer(GL_BACK); |
841 |
|
#endif |
842 |
|
} |
843 |
+ |
|
844 |
|
SM_TONE_MAP(smMesh) = SM_NUM_SAMP(smMesh); |
845 |
+ |
|
846 |
|
if (last_update) |
847 |
|
{ |
848 |
|
smClean_notify = FALSE; |
849 |
|
smNew_tri_cnt = 0; |
850 |
< |
qtHash_init(0); |
850 |
> |
#if 0 |
851 |
> |
smClear_flags(smMesh,T_NEW_FLAG); |
852 |
> |
#endif |
853 |
> |
qtCache_init(0); |
854 |
|
} |
855 |
|
|
856 |
|
} |