125 lines
4.1 KiB
C++
125 lines
4.1 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 movingPartBase.h
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* @author drose
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* @date 1999-02-22
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*/
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#ifndef MOVINGPARTBASE_H
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#define MOVINGPARTBASE_H
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#include "pandabase.h"
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#include "partGroup.h"
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#include "partBundle.h"
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#include "animChannelBase.h"
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/**
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* This is the base class for a single animatable piece that may be bound to
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* one channel (or more, if blending is in effect). It corresponds to, for
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* instance, a single joint or slider of a character.
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*
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* MovingPartBase does not have a particular value type. See the derived
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* template class, MovingPart, for this.
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*/
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class EXPCL_PANDA_CHAN MovingPartBase : public PartGroup {
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protected:
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INLINE MovingPartBase(const MovingPartBase ©);
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public:
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MovingPartBase(PartGroup *parent, const std::string &name);
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PUBLISHED:
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INLINE int get_max_bound() const;
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INLINE AnimChannelBase *get_bound(int n) const;
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public:
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virtual TypeHandle get_value_type() const=0;
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virtual AnimChannelBase *make_default_channel() const=0;
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PUBLISHED:
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virtual bool clear_forced_channel();
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virtual AnimChannelBase *get_forced_channel() const;
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virtual void write(std::ostream &out, int indent_level) const;
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virtual void write_with_value(std::ostream &out, int indent_level) const;
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virtual void output_value(std::ostream &out) const=0;
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public:
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virtual bool do_update(PartBundle *root, const CycleData *root_cdata,
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PartGroup *parent, bool parent_changed,
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bool anim_changed, Thread *current_thread);
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virtual void get_blend_value(const PartBundle *root)=0;
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virtual bool update_internals(PartBundle *root, PartGroup *parent,
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bool self_changed, bool parent_changed,
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Thread *current_thread);
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protected:
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MovingPartBase();
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virtual void pick_channel_index(plist<int> &holes, int &next) const;
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virtual void bind_hierarchy(AnimGroup *anim, int channel_index,
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int &joint_index, bool is_included,
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BitArray &bound_joints,
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const PartSubset &subset);
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virtual void find_bound_joints(int &joint_index, bool is_included,
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BitArray &bound_joints,
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const PartSubset &subset);
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virtual void determine_effective_channels(const CycleData *root_cdata);
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// This is the vector of all channels bound to this part.
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typedef pvector< PT(AnimChannelBase) > Channels;
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Channels _channels;
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// This is the number of channels in the above _channels vector that
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// actually have an effect on this part.
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int _num_effective_channels;
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// This is the single channel that has an effect on this part, as determined
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// by determine_effective_channels(). It is only set if there is exactly
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// one channel that affects this part (i.e. _num_effective_channels is 1).
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// If there are multiple channels, or no channels at all, it is NULL.
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AnimControl *_effective_control;
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PT(AnimChannelBase) _effective_channel;
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// This is the particular channel that's been forced to this part, via
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// set_forced_channel(). It overrides all of the above if set.
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PT(AnimChannelBase) _forced_channel;
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public:
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
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protected:
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void fillin(DatagramIterator &scan, BamReader *manager);
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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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PUBLISHED:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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public:
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static void init_type() {
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PartGroup::init_type();
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register_type(_type_handle, "MovingPartBase",
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PartGroup::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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#include "movingPartBase.I"
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#endif
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