--- ray/src/hd/sm.h	1998/10/06 18:16:54	3.4
+++ ray/src/hd/sm.h	1999/01/05 16:52:38	3.7
@@ -10,6 +10,7 @@
 #define _SM_H_
 
 #include "rhd_sample.h"
+#define NEWSETS
 
 
 #ifndef TRUE
@@ -17,16 +18,37 @@
 #define FALSE 0
 #endif
 
-#define S_REPLACE_EPS 0.06
-#define S_REPLACE_SCALE 10.0
 
+#define ON_V 1
+#define ON_P 2
+#define ON_E 3
+#define IN_T 4
+
+#define S_REPLACE_EPS 0.04      /* if (distance on sphere between sample
+				     and a base point) < S_REPLACE_EPS,
+				     replace base: 
+				     */
+#define S_REPLACE_SCALE (5.*5.)   /* if (distance to new point squared) is
+				     > (triangle edge length squared*
+				     S_REPLACE_SCALE):for all edges/triangle
+				     vertices: new point is puncture
+				     point: dont add
+				   */
+#define S_REPLACE_TRI 2e-8		/* .052 radians to the sixth power */
+
 #define SQRT3_2 0.8660254
 
 #define SM_DEFAULT 0
-#define SM_EXTRA_POINTS 8
+#define SM_EXTRA_POINTS 162
+#define SM_BASE_TRIS 320
 #define SM_EXTRA_VERTS  SM_EXTRA_POINTS
 
-#define SM_INC_PERCENT 0.60
+#define SM_INC_PERCENT 0.60            /* If number of new triangles added 
+					  since last full redraw is > 
+					  (SM_INC_PERCENT * total triangles)
+					  do full redraw instead of incremental
+					  */
+
 #define SM_VIEW_FRAC   0.1
 
 
@@ -64,6 +86,7 @@ typedef struct _TRI {
 #define T_WHICH_V(t,i)     \
          (T_NTH_V(t,0)==(i)?0:T_NTH_V(t,1)==(i)?1:T_NTH_V(t,2)==(i)?2:-1)
 #define T_NEXT_FREE(t) ((t)->nbrs[0])
+#define T_NEXT_AVAILABLE(t) ((t)->nbrs[0])
 #define T_VALID_FLAG(t) ((t)->nbrs[1])
 #define T_IS_VALID(t)  (T_VALID_FLAG(t)!=-1)
 #define T_FLAGS 3
@@ -76,6 +99,7 @@ typedef struct _SM {
     int num_tri;          /* Current number of triangles */
     int sample_tris;      /* Current number of non-base triangles*/
     int free_tris;        /* pointer to free_list */
+    int available_tris;   /* pointer to available_list */
     int max_verts;        /* Maximum number of vertices in the mesh */
     TRI *tris;            /* Pointer to list of triangle structs */
     VERT *verts;          /* List of vertices */
@@ -95,6 +119,7 @@ typedef struct _SM {
 #define SM_NUM_TRI(m)                 ((m)->num_tri)
 #define SM_SAMPLE_TRIS(m)                 ((m)->sample_tris)
 #define SM_FREE_TRIS(m)               ((m)->free_tris)
+#define SM_AVAILABLE_TRIS(m)          ((m)->available_tris)
 #define SM_MAX_VERTS(m)               ((m)->max_verts)
 #define SM_TRIS(m)                    ((m)->tris)
 #define SM_VERTS(m)                   ((m)->verts)
@@ -120,15 +145,19 @@ typedef struct _SM {
 
 #define SM_NTH_TRI(m,n)               (&(SM_TRIS(m)[(n)]))
 #define SM_NTH_VERT(m,n)              (SM_VERTS(m)[(n)])
+
+#define SM_T_ID_VALID(s,t_id) T_IS_VALID(SM_NTH_TRI(s,t_id))
  
+
 #define SM_MAX_SAMP(m)                S_MAX_SAMP(SM_SAMP(m))
 #define SM_MAX_POINTS(m)              S_MAX_POINTS(SM_SAMP(m))
 #define SM_SAMP_BASE(m)               S_BASE(SM_SAMP(m))
 #define SM_NTH_WV(m,i)                S_NTH_W_PT(SM_SAMP(m),i)
 #define SM_NTH_W_DIR(m,i)             S_NTH_W_DIR(SM_SAMP(m),i)
-#define SM_DIR_ID(m,i)                (SM_NTH_W_DIR(m,i)==-1)
+#define SM_DIR_ID(m,i)            (!SM_BASE_ID(m,i) && SM_NTH_W_DIR(m,i)==-1)
 #define SM_NTH_RGB(m,i)               S_NTH_RGB(SM_SAMP(m),i)
 #define SM_RGB(m)                    S_RGB(SM_SAMP(m))
+#define SM_WP(m)                    S_W_PT(SM_SAMP(m))
 #define SM_BRT(m)                     S_BRT(SM_SAMP(m))
 #define SM_NTH_BRT(m,i)               S_NTH_BRT(SM_SAMP(m),i)
 #define SM_CHR(m)                     S_CHR(SM_SAMP(m))
@@ -142,7 +171,11 @@ typedef struct _SM {
 i < SM_NUM_TRI(m); i=smNext_tri_flag_set(m,i+1,w,b))
 
 #define SM_FOR_ALL_ACTIVE_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_ACTIVE_FLAG,0)
+#if 0
 #define SM_FOR_ALL_NEW_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_NEW_FLAG,0)
+#else
+#define SM_FOR_ALL_NEW_TRIS(m,i) for(i=0; i < smNew_tri_cnt; i++)
+#endif
 #define SM_FOR_ALL_BASE_TRIS(m,i) SM_FOR_ALL_FLAGGED_TRIS(m,i,T_BASE_FLAG,0)
 #define SM_FOR_ALL_VALID_TRIS(m,i) for(i=smNext_valid_tri(m,0); \
 i < SM_NUM_TRI(m); i=smNext_valid_tri(m,i+1))
@@ -208,6 +241,9 @@ typedef struct _ADD_ARGS {
 
 extern SM *smMesh;
 extern int smNew_tri_cnt;
+extern int smNew_tri_size;
+extern T_DEPTH *smNew_tris;
+
 extern double smDist_sum;
 
 
@@ -217,6 +253,7 @@ extern VIEW Current_View;
 extern int Pick_tri,Picking,Pick_samp;
 extern FVECT Pick_point[500],Pick_origin,Pick_dir;
 extern FVECT Pick_v0[500],Pick_v1[500],Pick_v2[500];
+extern int Pick_q[500];
 extern FVECT P0,P1,P2;
 extern int Pick_cnt;
 extern FVECT FrustumNear[4],FrustumFar[4];
@@ -266,7 +303,6 @@ extern FVECT FrustumNear[4],FrustumFar[4];
  * been output since the last call to smClean().  (The last view drawn will
  * be vp==&odev.v each time.)
  */
-
 #endif