1 #ifndef COIN_SOSUBENGINE_H
2 #define COIN_SOSUBENGINE_H
28 #include <Inventor/SbName.h>
29 #include <Inventor/SoType.h>
30 #include <Inventor/C/tidbits.h>
31 #include <Inventor/engines/SoEngine.h>
32 #include <Inventor/engines/SoOutputData.h>
33 #include <Inventor/fields/SoFieldData.h>
41 #define PRIVATE_ENGINE_TYPESYSTEM_HEADER( ) \
43 static SoType getClassTypeId(void); \
44 virtual SoType getTypeId(void) const; \
46 static SoType classTypeId
48 #define SO_ENGINE_ABSTRACT_HEADER(_classname_) \
49 PRIVATE_ENGINE_TYPESYSTEM_HEADER(); \
51 static const SoFieldData ** getInputDataPtr(void); \
52 static const SoEngineOutputData ** getOutputDataPtr(void); \
54 virtual const SoFieldData * getFieldData(void) const; \
55 virtual const SoEngineOutputData * getOutputData(void) const; \
57 static unsigned int classinstances; \
58 static SoFieldData * inputdata; \
59 static const SoFieldData ** parentinputdata; \
60 static SoEngineOutputData * outputdata; \
61 static const SoEngineOutputData ** parentoutputdata; \
62 static void atexit_cleanup(void)
64 #define SO_ENGINE_HEADER(_classname_) \
65 SO_ENGINE_ABSTRACT_HEADER(_classname_); \
67 static void * createInstance(void)
71 #define PRIVATE_ENGINE_TYPESYSTEM_SOURCE(_class_) \
72 SoType _class_::getClassTypeId(void) { return _class_::classTypeId; } \
73 SoType _class_::getTypeId(void) const { return _class_::classTypeId; } \
74 SoType _class_::classTypeId STATIC_SOTYPE_INIT
76 #define SO_ENGINE_ABSTRACT_SOURCE(_class_) \
77 PRIVATE_ENGINE_TYPESYSTEM_SOURCE(_class_); \
79 unsigned int _class_::classinstances = 0; \
80 SoFieldData * _class_::inputdata = NULL; \
81 const SoFieldData ** _class_::parentinputdata = NULL; \
82 SoEngineOutputData * _class_::outputdata = NULL; \
83 const SoEngineOutputData ** _class_::parentoutputdata = NULL; \
85 const SoFieldData ** \
86 _class_::getInputDataPtr(void) \
88 return const_cast<const SoFieldData **>(&_class_::inputdata); \
92 _class_::getFieldData(void) const \
94 return _class_::inputdata; \
97 const SoEngineOutputData ** \
98 _class_::getOutputDataPtr(void) \
100 return const_cast<const SoEngineOutputData**>(&_class_::outputdata); \
103 const SoEngineOutputData * \
104 _class_::getOutputData(void) const \
106 return _class_::outputdata; \
110 _class_::atexit_cleanup(void) \
112 delete _class_::inputdata; \
113 delete _class_::outputdata; \
114 _class_::inputdata = NULL; \
115 _class_::outputdata = NULL; \
116 _class_::parentinputdata = NULL; \
117 _class_::parentoutputdata = NULL; \
118 assert(_class_::classTypeId != SoType::badType()); \
119 SoType::removeType(_class_::classTypeId.getName()); \
120 _class_::classTypeId STATIC_SOTYPE_INIT; \
121 _class_::classinstances = 0; \
124 #define SO_ENGINE_SOURCE(_class_) \
125 SO_ENGINE_ABSTRACT_SOURCE(_class_); \
128 _class_::createInstance(void) \
130 return new _class_; \
135 #define SO_ENGINE_IS_FIRST_INSTANCE() \
136 (classinstances == 1)
138 #define SO_ENGINE_CONSTRUCTOR(_class_) \
140 SoBase::staticDataLock(); \
141 _class_::classinstances++; \
143 assert(_class_::classTypeId != SoType::badType()); \
145 if (!_class_::inputdata) { \
146 _class_::inputdata = \
147 new SoFieldData(_class_::parentinputdata ? \
148 *_class_::parentinputdata : NULL); \
149 _class_::outputdata = \
150 new SoEngineOutputData(_class_::parentoutputdata ? \
151 *_class_::parentoutputdata : NULL); \
156 this->isBuiltIn = FALSE; \
157 SoBase::staticDataUnlock(); \
162 #define PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, _classname_, _createfunc_, _parentclass_) \
165 assert(_class_::classTypeId == SoType::badType()); \
167 assert(_parentclass_::getClassTypeId() != SoType::badType()); \
170 _class_::classTypeId = \
171 SoType::createType(_parentclass_::getClassTypeId(), \
176 _class_::parentinputdata = _parentclass_::getInputDataPtr(); \
177 _class_::parentoutputdata = _parentclass_::getOutputDataPtr(); \
178 cc_coin_atexit_static_internal \
179 (reinterpret_cast<coin_atexit_f*>(_class_::atexit_cleanup)); \
183 #define SO_ENGINE_INIT_CLASS(_class_, _parentclass_, _parentname_) \
185 const char * classname = SO__QUOTE(_class_); \
186 PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, classname, &_class_::createInstance, _parentclass_); \
189 #define SO_ENGINE_INIT_ABSTRACT_CLASS(_class_, _parentclass_, _parentname_) \
191 const char * classname = SO__QUOTE(_class_); \
192 PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, classname, NULL, _parentclass_); \
197 #define SO_ENGINE_ADD_INPUT(_input_, _defaultval_) \
199 this->_input_.setValue _defaultval_;\
200 this->_input_.setContainer(this); \
201 inputdata->addField(this, SO__QUOTE(_input_), &this->_input_);\
204 #define SO_ENGINE_ADD_OUTPUT(_output_, _type_) \
206 outputdata->addOutput(this, SO__QUOTE(_output_), \
208 _type_::getClassTypeId()); \
209 this->_output_.setContainer(this); \
214 #define SO_ENGINE_DEFINE_ENUM_VALUE(_enumname_, _enumval_) \
216 inputdata->addEnumValue(SO__QUOTE(_enumname_), \
217 SO__QUOTE(_enumval_), _enumval_); \
220 #define SO_ENGINE_OUTPUT(_engineout_, _fieldtype_, _writeop_) \
222 if (_engineout_.isEnabled()) { \
226 int SO_ENGINE_OUTPUT_numconnections = _engineout_.getNumConnections(); \
231 for (int SO_ENGINE_OUTPUT_i = 0; SO_ENGINE_OUTPUT_i < SO_ENGINE_OUTPUT_numconnections; SO_ENGINE_OUTPUT_i++) { \
232 _fieldtype_ * SO_ENGINE_OUTPUT_field = \
233 static_cast<_fieldtype_*>(_engineout_[SO_ENGINE_OUTPUT_i]); \
234 if (!SO_ENGINE_OUTPUT_field->isReadOnly()) { SO_ENGINE_OUTPUT_field->_writeop_; } \
237 assert(_engineout_.getNumConnections() == SO_ENGINE_OUTPUT_numconnections); \
243 #define SO_COMPOSE__HEADER(_name_) \
244 SO_ENGINE_HEADER(_name_); \
246 virtual void evaluate(); \
251 static void initClass()
255 #endif // !COIN_SOSUBENGINE_H
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