104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// Filename: rescaleNormalAttrib.h
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// Created by: drose (30Dec04)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef RESCALENORMALATTRIB_H
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#define RESCALENORMALATTRIB_H
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#include "pandabase.h"
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#include "renderAttrib.h"
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class FactoryParams;
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////////////////////////////////////////////////////////////////////
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// Class : RescaleNormalAttrib
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// Description : Specifies how polygons are to be drawn.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_PGRAPH RescaleNormalAttrib : public RenderAttrib {
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PUBLISHED:
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enum Mode {
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// No adjustments are made to normals.
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M_none,
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// Normals are counterscaled by the transform's uniform scale, if
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// supported by the graphics API.
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M_rescale,
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// Normals are scaled to unit length; potentially expensive.
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M_normalize,
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// Normals are counterscaled in the presence of a uniform scale
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// transform, or normalized in the presence of a non-uniform scale
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// transform.
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M_auto,
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};
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private:
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INLINE RescaleNormalAttrib(Mode mode);
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PUBLISHED:
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static CPT(RenderAttrib) make(Mode mode);
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static CPT(RenderAttrib) make_default();
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INLINE Mode get_mode() const;
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public:
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virtual void output(ostream &out) const;
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virtual void store_into_slot(AttribSlots *slots) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual RenderAttrib *make_default_impl() const;
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private:
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Mode _mode;
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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RenderAttrib::init_type();
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register_type(_type_handle, "RescaleNormalAttrib",
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RenderAttrib::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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EXPCL_PANDA_PGRAPH ostream &operator << (ostream &out, RescaleNormalAttrib::Mode mode);
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EXPCL_PANDA_PGRAPH istream &operator >> (istream &in, RescaleNormalAttrib::Mode &mode);
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#include "rescaleNormalAttrib.I"
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#endif
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