98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file occluderEffect.h
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* @author drose
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* @date 2011-03-17
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*/
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#ifndef OCCLUDEREFFECT_H
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#define OCCLUDEREFFECT_H
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#include "pandabase.h"
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#include "occluderNode.h"
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#include "renderEffect.h"
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#include "nodePath.h"
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#include "ordered_vector.h"
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#include "pmap.h"
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/**
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* This functions similarly to a LightAttrib or ClipPlaneAttrib. It indicates
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* the set of occluders that modify the geometry at this level and below.
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* Unlike a ClipPlaneAttrib, an OccluderEffect takes effect immediately when
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* it is encountered during traversal, and thus can only add occluders; it may
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* not remove them.
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*/
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class EXPCL_PANDA_PGRAPH OccluderEffect : public RenderEffect {
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private:
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INLINE OccluderEffect();
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INLINE OccluderEffect(const OccluderEffect ©);
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PUBLISHED:
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static CPT(RenderEffect) make();
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INLINE int get_num_on_occluders() const;
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INLINE NodePath get_on_occluder(int n) const;
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MAKE_SEQ(get_on_occluders, get_num_on_occluders, get_on_occluder);
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INLINE bool has_on_occluder(const NodePath &occluder) const;
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INLINE bool is_identity() const;
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CPT(RenderEffect) add_on_occluder(const NodePath &occluder) const;
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CPT(RenderEffect) remove_on_occluder(const NodePath &occluder) const;
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public:
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virtual void output(std::ostream &out) const;
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protected:
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virtual int compare_to_impl(const RenderEffect *other) const;
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private:
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void sort_on_occluders();
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private:
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typedef ov_set<NodePath> Occluders;
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Occluders _on_occluders;
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UpdateSeq _sort_seq;
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static CPT(RenderEffect) _empty_effect;
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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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virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
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virtual bool require_fully_complete() const;
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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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RenderEffect::init_type();
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register_type(_type_handle, "OccluderEffect",
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RenderEffect::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 "occluderEffect.I"
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#endif
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