- Xmas special: shiny mirroring bells & whistles!

This is a revision of the old NeoGeo raytracer, dusted off, improved quite
a lot, and nicely integrated in the rest of rendering pipeline.
Enable it with F10-"Ray", and set either a 'ray-shadow' lamp or give the
Material a "RayMirror" value.
It has been added for 2 reasons:
- get feedback on validity... I need artists to play around with it if it's
  actually useful. It still *is* raytracing, meaning complex scenes will
  easily become slow.
- for educational purposes. All raytracing happens in ray.c, which can be
  quite easily adjusted for other effects.

When too many disasters pop up with this, I'll make it a compile #ifdef.
But so far, it seems to do a decent job.

Demo files: http://www.blender.org/docs/ray_test.tgz
An article (tech) about how it works, and about the new octree invention
will be posted soon. :)

Note: it doesn't work with unified render yet.

1 files changed, 4 insertions, 0 deletions

diff --git a/source/blender/makesdna/DNA_lamp_types.h b/source/blender/makesdna/DNA_lamp_types.h
index 90529474d67..1a73c5fb9a2 100644
--- a/source/blender/makesdna/DNA_lamp_types.h
+++ b/source/blender/makesdna/DNA_lamp_types.h
@@ -56,6 +56,9 @@ typedef struct Lamp {
 	float clipsta, clipend, shadspotsize;
 	float bias, soft;
 	
+	short ray_samp, pad;
+	float ray_soft;
+	
 	/* texact is for buttons */
 	short texact, shadhalostep;
 	
@@ -88,6 +91,7 @@ typedef struct Lamp {
 #define LA_DEEP_SHADOW  1024
 #define LA_NO_DIFF		2048
 #define LA_NO_SPEC		4096
+#define LA_SHAD_RAY		8192
 
 /* mapto */
 #define LAMAP_COL		1