114 lines
3.1 KiB
C
114 lines
3.1 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 vertexSlider.h
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* @author drose
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* @date 2005-03-28
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*/
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#ifndef VERTEXSLIDER_H
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#define VERTEXSLIDER_H
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#include "pandabase.h"
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#include "typedWritableReferenceCount.h"
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#include "internalName.h"
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#include "updateSeq.h"
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#include "pset.h"
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#include "cycleData.h"
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#include "cycleDataReader.h"
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#include "cycleDataWriter.h"
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#include "pipelineCycler.h"
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class SliderTable;
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/**
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* This is an abstract base class that retains some slider value, which is a
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* linear value that typically ranges from 0.0 to 1.0, and is used to control
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* the animation of morphs (blend shapes).
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*
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* It is similar to VertexTransform, which keeps a full 4x4 transform matrix,
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* but the VertexSlider only keeps a single float value.
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*/
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class EXPCL_PANDA_GOBJ VertexSlider : public TypedWritableReferenceCount {
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PUBLISHED:
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explicit VertexSlider(const InternalName *name);
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virtual ~VertexSlider();
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INLINE const InternalName *get_name() const;
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MAKE_PROPERTY(name, get_name);
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virtual PN_stdfloat get_slider() const=0;
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INLINE UpdateSeq get_modified(Thread *current_thread = Thread::get_current_thread()) const;
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MAKE_PROPERTY(slider, get_slider);
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MAKE_PROPERTY(modified, get_modified);
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virtual void output(std::ostream &out) const;
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virtual void write(std::ostream &out, int indent_level) const;
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protected:
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void mark_modified(Thread *current_thread);
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protected:
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CPT(InternalName) _name;
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private:
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typedef pset<SliderTable *> Tables;
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Tables _tables;
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// This is the data that must be cycled between pipeline stages.
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class EXPCL_PANDA_GOBJ 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 int complete_pointers(TypedWritable **plist, BamReader *manager);
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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 VertexSlider::get_class_type();
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}
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UpdateSeq _modified;
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};
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PipelineCycler<CData> _cycler;
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typedef CycleDataReader<CData> CDReader;
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typedef CycleDataWriter<CData> CDWriter;
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public:
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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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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TypedWritableReferenceCount::init_type();
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register_type(_type_handle, "VertexSlider",
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TypedWritableReferenceCount::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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friend class SliderTable;
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};
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INLINE std::ostream &operator << (std::ostream &out, const VertexSlider &obj);
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#include "vertexSlider.I"
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#endif
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