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Diffstat (limited to 'intern/bsp/intern/BSP_FragTree.h')
-rwxr-xr-x | intern/bsp/intern/BSP_FragTree.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/intern/bsp/intern/BSP_FragTree.h b/intern/bsp/intern/BSP_FragTree.h new file mode 100755 index 00000000000..7965a055c92 --- /dev/null +++ b/intern/bsp/intern/BSP_FragTree.h @@ -0,0 +1,146 @@ +/** + * $Id$ + * ***** BEGIN GPL/BL DUAL 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + */ + +#ifndef BSP_FragTree_h + +#define BSP_FragTree_h + +class BSP_FragNode; + +#include "MEM_SmartPtr.h" +#include "MEM_NonCopyable.h" +#include "BSP_MeshPrimitives.h" + +class BSP_CSGMesh; +class BSP_MeshFragment; +class BSP_CSGISplitter; + +class BSP_FragTree : public MEM_NonCopyable +{ +public : + + /** + * Create a new BSP_FragTree allocated + * on the heap for mesh. Note mesh will + * be divided up by this operation. If you + * want to retain the original mesh make a copy + * of it first. + */ + + static + MEM_SmartPtr<BSP_FragTree> + New( + BSP_CSGMesh *mesh, + BSP_CSGISplitter & splitter + ); + + + /** + * Push a mesh fragment down the tree, + * splitting the mesh as it goes. + * upon reaching leaves it puts polygons from fragments + * of type keep into the output fragment. + */ + + void + Push( + BSP_MeshFragment *in_frag, + BSP_MeshFragment *output, + const BSP_Classification keep, + const BSP_Classification current, + const bool dominant, + BSP_CSGISplitter & splitter + ); + + void + Classify( + BSP_CSGMesh *mesh, + BSP_MeshFragment *in_frag, + BSP_MeshFragment *out_frag, + BSP_MeshFragment *on_frag, + BSP_CSGISplitter & splitter + ); + + + ~BSP_FragTree( + ); + +private : + + friend class BSP_FragNode; + + BSP_FragTree( + ); + + BSP_FragTree( + BSP_CSGMesh *mesh + ); + + void + Build( + BSP_MeshFragment * frag, + BSP_CSGISplitter & splitter + ); + + + void + Classify( + BSP_MeshFragment * frag, + BSP_MeshFragment *in_frag, + BSP_MeshFragment *out_frag, + BSP_MeshFragment *on_frag, + const BSP_Classification current, + BSP_CSGISplitter & splitter + ); + +private : + + /** + * pointer to the mesh for this tree. + * Tree is only valid whilst mesh is around. + */ + + BSP_CSGMesh *m_mesh; + + /** + * The node owned by this tree. + */ + + MEM_SmartPtr<BSP_FragNode> m_node; + +}; + + +#endif + + + + |