152 lines
5.3 KiB
C++
152 lines
5.3 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 transformBlend.h
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* @author drose
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* @date 2005-03-24
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*/
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#ifndef TRANSFORMBLEND_H
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#define TRANSFORMBLEND_H
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#include "pandabase.h"
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#include "vertexTransform.h"
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#include "pointerTo.h"
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#include "pvector.h"
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#include "ordered_vector.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 "pipelineCycler.h"
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/**
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* This defines a single entry in a TransformBlendTable. It represents a
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* unique combination of VertexTransform pointers and blend amounts.
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*/
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class EXPCL_PANDA_GOBJ TransformBlend {
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PUBLISHED:
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INLINE TransformBlend();
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INLINE TransformBlend(const VertexTransform *transform0, PN_stdfloat weight0);
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INLINE TransformBlend(const VertexTransform *transform0, PN_stdfloat weight0,
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const VertexTransform *transform1, PN_stdfloat weight1);
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INLINE TransformBlend(const VertexTransform *transform0, PN_stdfloat weight0,
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const VertexTransform *transform1, PN_stdfloat weight1,
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const VertexTransform *transform2, PN_stdfloat weight2);
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INLINE TransformBlend(const VertexTransform *transform0, PN_stdfloat weight0,
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const VertexTransform *transform1, PN_stdfloat weight1,
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const VertexTransform *transform2, PN_stdfloat weight2,
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const VertexTransform *transform3, PN_stdfloat weight3);
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INLINE TransformBlend(const TransformBlend ©);
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INLINE void operator = (const TransformBlend ©);
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INLINE ~TransformBlend();
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int compare_to(const TransformBlend &other) const;
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INLINE bool operator < (const TransformBlend &other) const;
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INLINE bool operator == (const TransformBlend &other) const;
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INLINE bool operator != (const TransformBlend &other) const;
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void add_transform(const VertexTransform *transform, PN_stdfloat weight);
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void remove_transform(const VertexTransform *transform);
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void limit_transforms(int max_transforms);
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void normalize_weights();
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bool has_transform(const VertexTransform *transform) const;
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PN_stdfloat get_weight(const VertexTransform *transform) const;
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INLINE size_t get_num_transforms() const;
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INLINE const VertexTransform *get_transform(size_t n) const;
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MAKE_SEQ(get_transforms, get_num_transforms, get_transform);
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INLINE PN_stdfloat get_weight(size_t n) const;
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INLINE void remove_transform(size_t n);
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INLINE void set_transform(size_t n, const VertexTransform *transform);
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INLINE void set_weight(size_t n, PN_stdfloat weight);
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MAKE_SEQ_PROPERTY(transforms, get_num_transforms, get_transform,
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set_transform, remove_transform);
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MAKE_MAP_PROPERTY(weights, has_transform, get_weight);
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MAKE_MAP_KEYS_SEQ(weights, get_num_transforms, get_transform);
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INLINE void update_blend(Thread *current_thread) const;
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INLINE void get_blend(LMatrix4 &result, Thread *current_thread) const;
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INLINE void transform_point(LPoint4f &point, Thread *current_thread) const;
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INLINE void transform_point(LPoint3f &point, Thread *current_thread) const;
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INLINE void transform_vector(LVector3f &point, Thread *current_thread) const;
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INLINE void transform_point(LPoint4d &point, Thread *current_thread) const;
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INLINE void transform_point(LPoint3d &point, Thread *current_thread) const;
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INLINE void transform_vector(LVector3d &point, Thread *current_thread) 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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void output(std::ostream &out) const;
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void write(std::ostream &out, int indent_level) const;
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private:
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class CData;
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void recompute_result(CData *cdata, Thread *current_thread);
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void clear_result(Thread *current_thread);
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class TransformEntry {
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public:
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INLINE bool operator < (const TransformEntry &other) const;
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CPT(VertexTransform) _transform;
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PN_stdfloat _weight;
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};
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typedef ov_set<TransformEntry> Entries;
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Entries _entries;
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// This is the data that must be cycled between pipeline stages; it is just
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// a local cache.
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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 TypeHandle get_parent_type() const {
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return TransformBlend::get_class_type();
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}
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LMatrix4 _result;
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UpdateSeq _modified;
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UpdateSeq _global_modified;
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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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public:
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void write_datagram(BamWriter *manager, Datagram &dg) const;
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int complete_pointers(TypedWritable **plist, BamReader *manager);
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void fillin(DatagramIterator &scan, BamReader *manager);
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friend class VertexTransform;
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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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register_type(_type_handle, "TransformBlend");
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}
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private:
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static TypeHandle _type_handle;
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};
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INLINE std::ostream &operator << (std::ostream &out, const TransformBlend &obj);
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#include "transformBlend.I"
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#endif
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