diff options
Diffstat (limited to 'source/blender/render/intern/raytrace/rayobject_hint.h')
-rw-r--r-- | source/blender/render/intern/raytrace/rayobject_hint.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/source/blender/render/intern/raytrace/rayobject_hint.h b/source/blender/render/intern/raytrace/rayobject_hint.h new file mode 100644 index 00000000000..88a32819bd2 --- /dev/null +++ b/source/blender/render/intern/raytrace/rayobject_hint.h @@ -0,0 +1,72 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2009 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): André Pinto. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/render/intern/raytrace/rayobject_hint.h + * \ingroup render + */ + + +#ifndef __RAYOBJECT_HINT_H__ +#define __RAYOBJECT_HINT_H__ + +#define HINT_RECURSE 1 +#define HINT_ACCEPT 0 +#define HINT_DISCARD -1 + +struct HintBB { + float bb[6]; +}; + +inline int hint_test_bb(HintBB *obj, float *Nmin, float *Nmax) +{ + if (bb_fits_inside(Nmin, Nmax, obj->bb, obj->bb + 3) ) + return HINT_RECURSE; + else + return HINT_ACCEPT; +} +#if 0 +struct HintFrustum { + float co[3]; + float no[4][3]; +}; + +inline int hint_test_bb(HintFrustum &obj, float *Nmin, float *Nmax) +{ + //if frustum inside BB + { + return HINT_RECURSE; + } + //if BB outside frustum + { + return HINT_DISCARD; + } + + return HINT_ACCEPT; +} +#endif + +#endif /* __RAYOBJECT_HINT_H__ */ |