103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
// Filename: drawMaskAttrib.h
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// Created by: drose (28Sep05)
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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 DRAWMASKATTRIB_H
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#define DRAWMASKATTRIB_H
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#include "pandabase.h"
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#include "renderAttrib.h"
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#include "drawMask.h"
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class FactoryParams;
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////////////////////////////////////////////////////////////////////
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// Class : DrawMaskAttrib
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// Description : This attrib can be used to control the visibility of
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// certain Geoms from certain cameras. It is similar in
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// principle to the PandaNode::set_draw_mask()
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// interface, except it does not cause an early prune in
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// the cull traversal; thus, it can be used to show a
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// node even though its parent has been hidden (if the
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// parent was hidden using the same interface).
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//
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// It is mainly useful for unusual circumstances in
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// which the visibility of a node is not easy to
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// determine from examining the static hierarchy of the
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// graph.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_PGRAPH DrawMaskAttrib : public RenderAttrib {
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protected:
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INLINE DrawMaskAttrib(DrawMask new_mask, DrawMask bits_to_change);
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INLINE DrawMaskAttrib(const DrawMaskAttrib ©);
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PUBLISHED:
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INLINE static CPT(RenderAttrib) make_hide(DrawMask draw_mask = DrawMask::all_on());
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INLINE static CPT(RenderAttrib) make_show(DrawMask draw_mask = DrawMask::all_on());
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static CPT(RenderAttrib) make(DrawMask new_mask, DrawMask bits_to_change);
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INLINE DrawMask get_new_mask() const;
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INLINE DrawMask get_bits_to_change() 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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virtual bool has_cull_callback() const;
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virtual bool cull_callback(CullTraverser *trav, const CullTraverserData &data) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
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virtual RenderAttrib *make_default_impl() const;
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private:
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DrawMask _new_mask;
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DrawMask _bits_to_change;
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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, "DrawMaskAttrib",
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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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#include "drawMaskAttrib.I"
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#endif
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