114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/**
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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 vertexTransform.h
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* @author drose
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* @date 2005-03-23
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*/
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#ifndef VERTEXTRANSFORM_H
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#define VERTEXTRANSFORM_H
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#include "pandabase.h"
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#include "typedWritableReferenceCount.h"
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#include "updateSeq.h"
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#include "luse.h"
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#include "ordered_vector.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 TransformTable;
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/**
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* This is an abstract base class that holds a pointer to some transform,
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* computed in some arbitrary way, that is to be applied to vertices during
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* rendering. This is used to implement soft-skinned and animated vertices.
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* Derived classes will define how the transform is actually computed.
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*/
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class EXPCL_PANDA_GOBJ VertexTransform : public TypedWritableReferenceCount {
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PUBLISHED:
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VertexTransform();
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virtual ~VertexTransform();
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virtual void get_matrix(LMatrix4 &matrix) const=0;
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virtual void mult_matrix(LMatrix4 &result, const LMatrix4 &previous) const;
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virtual void accumulate_matrix(LMatrix4 &accum, PN_stdfloat weight) const;
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INLINE UpdateSeq get_modified(Thread *current_thread = Thread::get_current_thread()) const;
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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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static UpdateSeq get_next_modified(Thread *current_thread);
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INLINE static UpdateSeq get_global_modified(Thread *current_thread);
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protected:
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void mark_modified(Thread *current_thread);
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private:
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typedef ov_set<TransformTable *> Palettes;
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Palettes _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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VertexTransform::init_type();
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return VertexTransform::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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static PipelineCycler<CData> _global_cycler;
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static UpdateSeq _next_modified;
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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, "VertexTransform",
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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 TransformTable;
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};
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INLINE std::ostream &operator << (std::ostream &out, const VertexTransform &obj);
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#include "vertexTransform.I"
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#endif
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