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movingPart.I
00001 // Filename: movingPart.I
00002 // Created by:  drose (22Feb99)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #include "animChannelFixed.h"
00016 #include "datagram.h"
00017 #include "datagramIterator.h"
00018 #include "bamReader.h"
00019 #include "bamWriter.h"
00020 
00021 template<class SwitchType>
00022 TypeHandle MovingPart<SwitchType>::_type_handle;
00023 
00024 // We don't need to explicitly call MovingPart::init_type(), because
00025 // it is an abstract class and therefore must have derived objects.
00026 // Its derived objects will call init_type() for us.
00027 
00028 
00029 
00030 ////////////////////////////////////////////////////////////////////
00031 //     Function: MovingPart::Copy Constructor
00032 //       Access: Protected
00033 //  Description: Normally, you'd use make_copy() or copy_subgraph() to
00034 //               make a copy of this.
00035 ////////////////////////////////////////////////////////////////////
00036 template<class SwitchType>
00037 INLINE MovingPart<SwitchType>::
00038 MovingPart(const MovingPart<SwitchType> &copy) :
00039   MovingPartBase(copy),
00040   _value(copy._value),
00041   _default_value(copy._default_value)
00042 {
00043 }
00044 
00045 ////////////////////////////////////////////////////////////////////
00046 //     Function: MovingPart::Constructor
00047 //       Access: Public
00048 //  Description:
00049 ////////////////////////////////////////////////////////////////////
00050 template<class SwitchType>
00051 INLINE MovingPart<SwitchType>::
00052 MovingPart(PartGroup *parent, const string &name,
00053            const ValueType &default_value) :
00054   MovingPartBase(parent, name),
00055   _value(default_value),
00056   _default_value(default_value)
00057 {
00058 }
00059 
00060 ////////////////////////////////////////////////////////////////////
00061 //     Function: MovingPart::Constructor
00062 //       Access: Protected
00063 //  Description:
00064 ////////////////////////////////////////////////////////////////////
00065 template<class SwitchType>
00066 INLINE MovingPart<SwitchType>::
00067 MovingPart() {
00068 }
00069 
00070 ////////////////////////////////////////////////////////////////////
00071 //     Function: MovingPart::get_value_type
00072 //       Access: Public, Virtual
00073 //  Description: Returns the TypeHandle associated with the ValueType
00074 //               we are concerned with.  This is provided to allow a
00075 //               bit of run-time checking that joints and channels are
00076 //               matching properly in type.
00077 ////////////////////////////////////////////////////////////////////
00078 template<class SwitchType>
00079 TypeHandle MovingPart<SwitchType>::
00080 get_value_type() const {
00081   return get_type_handle(ValueType);
00082 }
00083 
00084 
00085 
00086 ////////////////////////////////////////////////////////////////////
00087 //     Function: MovingPart::make_default_channel
00088 //       Access: Public, Virtual
00089 //  Description: Creates and returns a new AnimChannel that is not
00090 //               part of any hierarchy, but that returns the default
00091 //               value associated with this part.
00092 ////////////////////////////////////////////////////////////////////
00093 template<class SwitchType>
00094 AnimChannelBase *MovingPart<SwitchType>::
00095 make_default_channel() const {
00096   return new AnimChannelFixed<SwitchType>(get_name(), _default_value);
00097 }
00098 
00099 ////////////////////////////////////////////////////////////////////
00100 //     Function: MovingPart::output_value
00101 //       Access: Public, Virtual
00102 //  Description: Outputs a very brief description of the channel's
00103 //               current value.
00104 ////////////////////////////////////////////////////////////////////
00105 template<class SwitchType>
00106 void MovingPart<SwitchType>::
00107 output_value(ostream &out) const {
00108   SwitchType::output_value(out, _value);
00109 }
00110 
00111 ////////////////////////////////////////////////////////////////////
00112 //     Function: MovingPart::write_datagram
00113 //       Access: Public
00114 //  Description: Function to write the important information in
00115 //               the particular object to a Datagram
00116 ////////////////////////////////////////////////////////////////////
00117 template<class SwitchType>
00118 void MovingPart<SwitchType>::
00119 write_datagram(BamWriter *manager, Datagram &me) {
00120   MovingPartBase::write_datagram(manager, me);
00121   SwitchType::write_datagram(me, _value);
00122   SwitchType::write_datagram(me, _default_value);
00123 }
00124 
00125 ////////////////////////////////////////////////////////////////////
00126 //     Function: MovingPart::fillin
00127 //       Access: Protected
00128 //  Description: Function that reads out of the datagram (or asks
00129 //               manager to read) all of the data that is needed to
00130 //               re-create this object and stores it in the appropiate
00131 //               place
00132 ////////////////////////////////////////////////////////////////////
00133 template<class SwitchType>
00134 void MovingPart<SwitchType>::
00135 fillin(DatagramIterator &scan, BamReader *manager) {
00136   MovingPartBase::fillin(scan, manager);
00137   SwitchType::read_datagram(scan, _value);
00138   SwitchType::read_datagram(scan, _default_value);
00139 }
00140 
00141 
00142 
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