125 lines
3.8 KiB
C++
125 lines
3.8 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 animChannel.h
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* @author drose
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* @date 1999-02-22
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*/
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#ifndef ANIMCHANNEL_H
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#define ANIMCHANNEL_H
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#include "pandabase.h"
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#include "animChannelBase.h"
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#include "luse.h"
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/**
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* This template class is the parent class for all kinds of AnimChannels that
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* return different values.
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*/
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template<class SwitchType>
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class AnimChannel : public AnimChannelBase {
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protected:
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// The default constructor is protected: don't try to create an AnimChannel
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// without a parent. To create an AnimChannel hierarchy, you must first
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// create an AnimBundle, and use that to create any subsequent children.
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INLINE AnimChannel(const std::string &name = "");
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INLINE AnimChannel(AnimGroup *parent, const AnimChannel ©);
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public:
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typedef typename SwitchType::ValueType ValueType;
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INLINE AnimChannel(AnimGroup *parent, const std::string &name);
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INLINE ~AnimChannel();
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PUBLISHED:
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virtual void get_value(int frame, ValueType &value)=0;
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// These transform-component methods only have meaning for matrix types.
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virtual void get_value_no_scale_shear(int frame, ValueType &value);
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virtual void get_scale(int frame, LVecBase3 &scale);
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virtual void get_hpr(int frame, LVecBase3 &hpr);
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virtual void get_quat(int frame, LQuaternion &quat);
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virtual void get_pos(int frame, LVecBase3 &pos);
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virtual void get_shear(int frame, LVecBase3 &shear);
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virtual TypeHandle get_value_type() const;
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// This class has no ReadWrite functions as it is abstract and defines no
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// new data
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public:
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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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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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AnimChannelBase::init_type();
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register_type(_type_handle, SwitchType::get_channel_type_name(),
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AnimChannelBase::get_class_type());
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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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// And now we instantiate a few useful types.
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class EXPCL_PANDA_CHAN ACMatrixSwitchType {
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public:
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typedef LMatrix4 ValueType;
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static const char *get_channel_type_name() { return "AnimChannelMatrix"; }
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static const char *get_fixed_channel_type_name() { return "AnimChannelFixed<LMatrix4>"; }
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static const char *get_part_type_name() { return "MovingPart<LMatrix4>"; }
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static void output_value(std::ostream &out, const ValueType &value);
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static void write_datagram(Datagram &dest, ValueType& me)
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{
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me.write_datagram(dest);
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}
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static void read_datagram(DatagramIterator &source, ValueType& me)
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{
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me.read_datagram(source);
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}
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};
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EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_CHAN, EXPTP_PANDA_CHAN, AnimChannel<ACMatrixSwitchType>);
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typedef AnimChannel<ACMatrixSwitchType> AnimChannelMatrix;
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class EXPCL_PANDA_CHAN ACScalarSwitchType {
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public:
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typedef PN_stdfloat ValueType;
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static const char *get_channel_type_name() { return "AnimChannelScalar"; }
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static const char *get_fixed_channel_type_name() { return "AnimChannelScalarFixed"; }
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static const char *get_part_type_name() { return "MovingPart<PN_stdfloat>"; }
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static void output_value(std::ostream &out, ValueType value) {
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out << value;
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}
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static void write_datagram(Datagram &dest, ValueType& me)
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{
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dest.add_stdfloat(me);
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}
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static void read_datagram(DatagramIterator &source, ValueType& me)
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{
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me = source.get_stdfloat();
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}
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};
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EXPORT_TEMPLATE_CLASS(EXPCL_PANDA_CHAN, EXPTP_PANDA_CHAN, AnimChannel<ACScalarSwitchType>);
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typedef AnimChannel<ACScalarSwitchType> AnimChannelScalar;
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#include "animChannel.I"
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#endif
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