138 lines
3.9 KiB
C
138 lines
3.9 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 planeNode.h
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* @author drose
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* @date 2002-07-11
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*/
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#ifndef PLANENODE_H
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#define PLANENODE_H
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#include "pandabase.h"
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#include "plane.h"
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#include "pandaNode.h"
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#include "updateSeq.h"
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#include "geom.h"
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#include "cycleData.h"
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#include "cycleDataLockedReader.h"
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#include "cycleDataReader.h"
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#include "cycleDataWriter.h"
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#include "cycleDataStageReader.h"
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#include "cycleDataStageWriter.h"
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#include "pipelineCycler.h"
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/**
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* A node that contains a plane. This is most often used as a clipping plane,
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* but it can serve other purposes as well; whenever a plane is needed to be
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* defined in some coordinate space in the world.
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*/
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class EXPCL_PANDA_PGRAPH PlaneNode : public PandaNode {
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PUBLISHED:
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explicit PlaneNode(const std::string &name, const LPlane &plane = LPlane());
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protected:
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PlaneNode(const PlaneNode ©);
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public:
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virtual void output(std::ostream &out) const;
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virtual PandaNode *make_copy() const;
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virtual void xform(const LMatrix4 &mat);
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virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
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virtual bool is_renderable() const;
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PUBLISHED:
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INLINE void set_plane(const LPlane &plane);
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INLINE const LPlane &get_plane() const;
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INLINE void set_viz_scale(PN_stdfloat viz_scale);
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INLINE PN_stdfloat get_viz_scale() const;
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INLINE void set_priority(int priority);
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INLINE int get_priority() const;
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enum ClipEffect {
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CE_visible = 0x0001,
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CE_collision = 0x0002,
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};
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INLINE void set_clip_effect(int clip_effect);
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INLINE int get_clip_effect() const;
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public:
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INLINE static UpdateSeq get_sort_seq();
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protected:
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virtual void compute_internal_bounds(CPT(BoundingVolume) &internal_bounds,
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int &internal_vertices,
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int pipeline_stage,
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Thread *current_thread) const;
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PT(Geom) get_viz(CullTraverser *trav, CullTraverserData &data);
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private:
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// The priority is not cycled, because there's no real reason to do so, and
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// cycling it makes it difficult to synchronize with the ClipPlaneAttribs.
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int _priority;
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int _clip_effect;
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static UpdateSeq _sort_seq;
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// This is the data that must be cycled between pipeline stages.
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class EXPCL_PANDA_PGRAPH CData : public CycleData {
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public:
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INLINE CData();
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INLINE CData(const CData ©);
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virtual CycleData *make_copy() const;
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virtual void write_datagram(BamWriter *manager, Datagram &dg) const;
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virtual void fillin(DatagramIterator &scan, BamReader *manager);
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virtual TypeHandle get_parent_type() const {
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return PlaneNode::get_class_type();
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}
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LPlane _plane;
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PT(Geom) _front_viz, _back_viz;
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PN_stdfloat _viz_scale;
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};
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PipelineCycler<CData> _cycler;
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typedef CycleDataLockedReader<CData> CDLockedReader;
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typedef CycleDataReader<CData> CDReader;
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typedef CycleDataWriter<CData> CDWriter;
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typedef CycleDataStageReader<CData> CDStageReader;
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typedef CycleDataStageWriter<CData> CDStageWriter;
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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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PandaNode::init_type();
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register_type(_type_handle, "PlaneNode",
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PandaNode::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 "planeNode.I"
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#endif
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