solstice-solver

commit c0fe180e4d62acf58512881058ba1c91c6afdb6e
parent 4451f9be1b62ce1d7791dd5f197a8393896fba86
Author: Christophe Coustet <christophe.coustet@meso-star.com>
Date:   Tue, 13 Sep 2016 15:33:39 +0200

BugFix: dont' record on receivers when testing for sun visibility

(from a starting points)

Diffstat:
M
src/ssol_scene.c
 | 
3
++-
M
src/ssol_solver.c
 | 
2
++
M
src/ssol_solver_c.h
 | 
1
+

3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/ssol_scene.c b/src/ssol_scene.c
@@ -350,7 +350,8 @@ hit_filter_function
   }
 
   /* Check if the hit surface is a receiver that registers hit data */
-  if (!str_is_empty(receiver_name)) {
+  /* sun segments must not be registered */
+  if (!seg->sun_segment && !str_is_empty(receiver_name)) {
     fprintf(rs->data.out_stream,
       "Receiver '%s': %u %u %g %g (%g:%g:%g) (%g:%g:%g) (%g:%g)\n",
       str_cget(receiver_name),
diff --git a/src/ssol_solver.c b/src/ssol_solver.c
@@ -237,6 +237,7 @@ setup_next_segment(struct realisation* rs)
   reset_segment(seg);
   seg->self_instance = prev->hit_instance;
   seg->self_front = prev->hit_front;
+  seg->sun_segment = 0;
   d3_set(seg->org, prev->hit_pos);
   
   res = material_shade(prev->hit_material, &data->fragment, rs->freq, data->brdfs);
@@ -495,6 +496,7 @@ receive_sunlight(struct realisation* rs)
   d3_set(seg->org, start->pos);
   seg->self_instance = start->instance;
   seg->self_front = start->front_exposed;
+  seg->sun_segment = 1;
 
   /* search for occlusions from starting point */
   ASSERT(rs->s_idx == 0); /* sun segment */
diff --git a/src/ssol_solver_c.h b/src/ssol_solver_c.h
@@ -69,6 +69,7 @@ struct segment {
   char hit_front; /* is the ending point of the segment on the front face? */
   char self_front; /* was the starting point of the segment on the front face? */
   char on_punched; /* is the hit on a punched shape? */
+  char sun_segment;
 };
 
 struct starting_point {