Panda3D
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00001 // Filename: eggScalarTablePointer.cxx 00002 // Created by: drose (18Jul03) 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 "eggScalarTablePointer.h" 00016 00017 #include "dcast.h" 00018 00019 TypeHandle EggScalarTablePointer::_type_handle; 00020 00021 //////////////////////////////////////////////////////////////////// 00022 // Function: EggScalarTablePointer::Constructor 00023 // Access: Public 00024 // Description: 00025 //////////////////////////////////////////////////////////////////// 00026 EggScalarTablePointer:: 00027 EggScalarTablePointer(EggObject *object) { 00028 _data = DCAST(EggSAnimData, object); 00029 } 00030 00031 //////////////////////////////////////////////////////////////////// 00032 // Function: EggScalarTablePointer::get_frame_rate 00033 // Access: Public, Virtual 00034 // Description: Returns the stated frame rate of this particular 00035 // joint, or 0.0 if it doesn't state. 00036 //////////////////////////////////////////////////////////////////// 00037 double EggScalarTablePointer:: 00038 get_frame_rate() const { 00039 if (_data == (EggSAnimData *)NULL || !_data->has_fps()) { 00040 return 0.0; 00041 } else { 00042 return _data->get_fps(); 00043 } 00044 } 00045 00046 //////////////////////////////////////////////////////////////////// 00047 // Function: EggScalarTablePointer::get_num_frames 00048 // Access: Public, Virtual 00049 // Description: Returns the number of frames of animation for this 00050 // particular slider. 00051 //////////////////////////////////////////////////////////////////// 00052 int EggScalarTablePointer:: 00053 get_num_frames() const { 00054 if (_data == (EggSAnimData *)NULL) { 00055 return 0; 00056 } else { 00057 return _data->get_num_rows(); 00058 } 00059 } 00060 00061 //////////////////////////////////////////////////////////////////// 00062 // Function: EggScalarTablePointer::extend_to 00063 // Access: Public, Virtual 00064 // Description: Extends the table to the indicated number of frames. 00065 //////////////////////////////////////////////////////////////////// 00066 void EggScalarTablePointer:: 00067 extend_to(int num_frames) { 00068 nassertv(_data != (EggSAnimData *)NULL); 00069 int num_rows = _data->get_num_rows(); 00070 double last_value; 00071 if (num_rows == 0) { 00072 last_value = 0.0; 00073 } else { 00074 last_value = _data->get_value(num_rows - 1); 00075 } 00076 00077 while (num_rows < num_frames) { 00078 _data->add_data(last_value); 00079 num_rows++; 00080 } 00081 } 00082 00083 //////////////////////////////////////////////////////////////////// 00084 // Function: EggScalarTablePointer::get_frame 00085 // Access: Public, Virtual 00086 // Description: Returns the value corresponding to this 00087 // slider position in the nth frame. 00088 //////////////////////////////////////////////////////////////////// 00089 double EggScalarTablePointer:: 00090 get_frame(int n) const { 00091 if (get_num_frames() == 1) { 00092 // If we have exactly one frame, then we have as many frames as we 00093 // want; just repeat the first frame. 00094 n = 0; 00095 } 00096 00097 nassertr(n >= 0 && n < get_num_frames(), 0.0); 00098 return _data->get_value(n); 00099 } 00100 00101 //////////////////////////////////////////////////////////////////// 00102 // Function: EggScalarTablePointer::set_name 00103 // Access: Public, Virtual 00104 // Description: Applies the indicated name change to the egg file. 00105 //////////////////////////////////////////////////////////////////// 00106 void EggScalarTablePointer:: 00107 set_name(const string &name) { 00108 // Actually, let's not rename the slider table (yet), because we 00109 // haven't written the code to rename all of the morph targets. 00110 00111 // _data->set_name(name); 00112 }