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root/radiance/ray/src/hd/sm.h
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Comparing ray/src/hd/sm.h (file contents):
Revision 3.4 by gwlarson, Tue Oct 6 18:16:54 1998 UTC vs.
Revision 3.9 by gwlarson, Fri Mar 5 16:33:17 1999 UTC

# Line 10 | Line 10
10   #define _SM_H_
11  
12   #include "rhd_sample.h"
13 + #define NEWSETS
14  
15  
16   #ifndef TRUE
# Line 17 | Line 18
18   #define FALSE 0
19   #endif
20  
20 – #define S_REPLACE_EPS 0.06
21 – #define S_REPLACE_SCALE 10.0
21  
22 + #define ON_V 1
23 + #define ON_P 2
24 + #define ON_E 3
25 + #define IN_T 4
26 +
27 + #define S_REPLACE_EPS 0.04      /* if (distance on sphere between sample
28 +                                     and a base point) < S_REPLACE_EPS,
29 +                                     replace base:
30 +                                     */
31 + #define S_REPLACE_SCALE (5.*5.)   /* if (distance to new point squared) is
32 +                                     > (triangle edge length squared*
33 +                                     S_REPLACE_SCALE):for all edges/triangle
34 +                                     vertices: new point is puncture
35 +                                     point: dont add
36 +                                   */
37 + #define S_REPLACE_TRI 2e-8              /* .052 radians to the sixth power */
38 +
39   #define SQRT3_2 0.8660254
40  
41   #define SM_DEFAULT 0
42 < #define SM_EXTRA_POINTS 8
42 > #define SM_EXTRA_POINTS 162
43 > #define SM_BASE_TRIS 320
44   #define SM_EXTRA_VERTS  SM_EXTRA_POINTS
45  
46 < #define SM_INC_PERCENT 0.60
46 > #define SM_INC_PERCENT 0.60            /* If number of new triangles added
47 >                                          since last full redraw is >
48 >                                          (SM_INC_PERCENT * total triangles)
49 >                                          do full redraw instead of incremental
50 >                                          */
51 >
52   #define SM_VIEW_FRAC   0.1
53  
54 + #define  SM_ALL_LEVELS -1
55  
56 +
57   typedef int VERT;  /* One triangle that vertex belongs to- the rest
58                        are derived by traversing neighbors */
59  
# Line 64 | Line 88 | typedef struct _TRI {
88   #define T_WHICH_V(t,i)     \
89           (T_NTH_V(t,0)==(i)?0:T_NTH_V(t,1)==(i)?1:T_NTH_V(t,2)==(i)?2:-1)
90   #define T_NEXT_FREE(t) ((t)->nbrs[0])
91 + #define T_NEXT_AVAILABLE(t) ((t)->nbrs[0])
92   #define T_VALID_FLAG(t) ((t)->nbrs[1])
93   #define T_IS_VALID(t)  (T_VALID_FLAG(t)!=-1)
94 < #define T_FLAGS 3
94 > #define T_FLAGS 4
95  
96   typedef struct _SM {
97      FVECT view_center;    /* Canonical view center defining unit sphere */
# Line 76 | Line 101 | typedef struct _SM {
101      int num_tri;          /* Current number of triangles */
102      int sample_tris;      /* Current number of non-base triangles*/
103      int free_tris;        /* pointer to free_list */
104 +    int available_tris;   /* pointer to available_list */
105      int max_verts;        /* Maximum number of vertices in the mesh */
106      TRI *tris;            /* Pointer to list of triangle structs */
107      VERT *verts;          /* List of vertices */
# Line 87 | Line 113 | typedef struct _SM {
113   #define T_ACTIVE_FLAG   0
114   #define T_NEW_FLAG      1
115   #define T_BASE_FLAG     2
116 + #define T_BG_FLAG       3
117  
118   #define SM_VIEW_CENTER(m)             ((m)->view_center)
119   #define SM_SAMP(m)                    ((m)->samples)
# Line 95 | Line 122 | typedef struct _SM {
122   #define SM_NUM_TRI(m)                 ((m)->num_tri)
123   #define SM_SAMPLE_TRIS(m)                 ((m)->sample_tris)
124   #define SM_FREE_TRIS(m)               ((m)->free_tris)
125 + #define SM_AVAILABLE_TRIS(m)          ((m)->available_tris)
126   #define SM_MAX_VERTS(m)               ((m)->max_verts)
127   #define SM_TRIS(m)                    ((m)->tris)
128   #define SM_VERTS(m)                   ((m)->verts)
# Line 109 | Line 137 | typedef struct _SM {
137   #define SM_IS_NTH_T_ACTIVE(sm,n)     SM_IS_NTH_T_FLAG(sm,n,T_ACTIVE_FLAG)
138   #define SM_IS_NTH_T_BASE(sm,n)       SM_IS_NTH_T_FLAG(sm,n,T_BASE_FLAG)
139   #define SM_IS_NTH_T_NEW(sm,n)        SM_IS_NTH_T_FLAG(sm,n,T_NEW_FLAG)
140 + #define SM_IS_NTH_T_BG(sm,n)        SM_IS_NTH_T_FLAG(sm,n,T_BG_FLAG)
141  
142   #define SM_SET_NTH_T_ACTIVE(sm,n)    SM_SET_NTH_T_FLAG(sm,n,T_ACTIVE_FLAG)
143   #define SM_SET_NTH_T_BASE(sm,n)      SM_SET_NTH_T_FLAG(sm,n,T_BASE_FLAG)
144   #define SM_SET_NTH_T_NEW(sm,n)       SM_SET_NTH_T_FLAG(sm,n,T_NEW_FLAG)
145 + #define SM_SET_NTH_T_BG(sm,n)        SM_SET_NTH_T_FLAG(sm,n,T_BG_FLAG)
146  
147   #define SM_CLR_NTH_T_ACTIVE(sm,n)   SM_CLR_NTH_T_FLAG(sm,n,T_ACTIVE_FLAG)
148   #define SM_CLR_NTH_T_BASE(sm,n)     SM_CLR_NTH_T_FLAG(sm,n,T_BASE_FLAG)
149   #define SM_CLR_NTH_T_NEW(sm,n)      SM_CLR_NTH_T_FLAG(sm,n,T_NEW_FLAG)
150 + #define SM_CLR_NTH_T_BG(sm,n)       SM_CLR_NTH_T_FLAG(sm,n,T_BG_FLAG)
151  
152   #define SM_NTH_TRI(m,n)               (&(SM_TRIS(m)[(n)]))
153   #define SM_NTH_VERT(m,n)              (SM_VERTS(m)[(n)])
154 +
155 + #define SM_T_ID_VALID(s,t_id) T_IS_VALID(SM_NTH_TRI(s,t_id))
156  
157 +
158   #define SM_MAX_SAMP(m)                S_MAX_SAMP(SM_SAMP(m))
159   #define SM_MAX_POINTS(m)              S_MAX_POINTS(SM_SAMP(m))
160   #define SM_SAMP_BASE(m)               S_BASE(SM_SAMP(m))
161   #define SM_NTH_WV(m,i)                S_NTH_W_PT(SM_SAMP(m),i)
162   #define SM_NTH_W_DIR(m,i)             S_NTH_W_DIR(SM_SAMP(m),i)
163 < #define SM_DIR_ID(m,i)                (SM_NTH_W_DIR(m,i)==-1)
163 > #define SM_DIR_ID(m,i)            (!SM_BASE_ID(m,i) && SM_NTH_W_DIR(m,i)==-1)
164   #define SM_NTH_RGB(m,i)               S_NTH_RGB(SM_SAMP(m),i)
165   #define SM_RGB(m)                    S_RGB(SM_SAMP(m))
166 + #define SM_WP(m)                    S_W_PT(SM_SAMP(m))
167   #define SM_BRT(m)                     S_BRT(SM_SAMP(m))
168   #define SM_NTH_BRT(m,i)               S_NTH_BRT(SM_SAMP(m),i)
169   #define SM_CHR(m)                     S_CHR(SM_SAMP(m))
# Line 138 | Line 173 | typedef struct _SM {
173  
174   #define SM_ALLOWED_VIEW_CHANGE(m) (SM_NUM_SAMP(m)/smDist_sum*SM_VIEW_FRAC)
175  
141 – #define SM_FOR_ALL_FLAGGED_TRIS(m,i,w,b) for(i=smNext_tri_flag_set(m,0,w,b); \
142 – i < SM_NUM_TRI(m); i=smNext_tri_flag_set(m,i+1,w,b))
143 –
144 – #define SM_FOR_ALL_ACTIVE_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_ACTIVE_FLAG,0)
145 – #define SM_FOR_ALL_NEW_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_NEW_FLAG,0)
146 – #define SM_FOR_ALL_BASE_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_BASE_FLAG,0)
147 – #define SM_FOR_ALL_VALID_TRIS(m,i) for(i=smNext_valid_tri(m,0); \
148 – i < SM_NUM_TRI(m); i=smNext_valid_tri(m,i+1))
149 –
150 – #define SM_FOR_ALL_ACTIVE_FG_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_ACTIVE_FLAG,1)
151 –
152 – #define SM_FOR_ALL_ACTIVE_BG_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_ACTIVE_FLAG,2)
153 –
154 –
176   #define SM_FOR_ALL_ADJACENT_TRIS(sm,id,t) for(t=smTri_next_ccw_nbr(sm,t,id); \
177   t!=SM_NTH_TRI(sm,SM_NTH_VERT(sm,id)); t=smTri_next_ccw_nbr(sm,t,id))
178  
# Line 187 | Line 208 | t!=SM_NTH_TRI(sm,SM_NTH_VERT(sm,id)); t=smTri_next_ccw
208  
209   #define smClear_vert(sm,id)    (SM_NTH_VERT(sm,id) = INVALID)
210  
190 – #define SQRT3_INV 0.5773502692
191 –
192 – typedef struct _T_DEPTH {
193 –  int tri;
194 –  double depth;
195 – }T_DEPTH;
196 –
211   typedef struct _RT_ARGS_{
212    FVECT orig,dir;
213    int t_id;
# Line 217 | Line 231 | extern VIEW Current_View;
231   extern int Pick_tri,Picking,Pick_samp;
232   extern FVECT Pick_point[500],Pick_origin,Pick_dir;
233   extern FVECT Pick_v0[500],Pick_v1[500],Pick_v2[500];
234 + extern int Pick_q[500];
235   extern FVECT P0,P1,P2;
236   extern int Pick_cnt;
237   extern FVECT FrustumNear[4],FrustumFar[4];
# Line 266 | Line 281 | extern FVECT FrustumNear[4],FrustumFar[4];
281   * been output since the last call to smClean().  (The last view drawn will
282   * be vp==&odev.v each time.)
283   */
269 –
284   #endif
285  
286  

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