[4597] | 1 | /* |
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[4250] | 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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| 12 | main-programmer: Christian Meyer |
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| 13 | co-programmer: Benjamin Grauer |
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| 14 | */ |
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| 15 | |
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[4597] | 16 | /*! |
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[4250] | 17 | \file factory.h |
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[4487] | 18 | \brief A loadable object handler |
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[3940] | 19 | */ |
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| 20 | |
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[4250] | 21 | |
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[3940] | 22 | #ifndef _FACTORY_H |
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| 23 | #define _FACTORY_H |
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| 24 | |
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| 25 | class BaseObject; |
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| 26 | |
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[4239] | 27 | #include "tinyxml.h" |
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[4240] | 28 | #include "load_param.h" |
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[4597] | 29 | #include "base_object.h" |
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[4171] | 30 | #include "debug.h" |
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[3940] | 31 | |
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[4597] | 32 | /** |
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[4004] | 33 | Creates a factory to a Loadable Class. |
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| 34 | this should be used at the beginning of all the Classes that should be loadable (in the cc-file) |
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[4597] | 35 | \todo make factoryName a BaseObject-parameter. (else it would be redundant) |
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[4004] | 36 | */ |
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[4597] | 37 | #define CREATE_FACTORY(CLASS_NAME) tFactory<CLASS_NAME>* global_##CLASS_NAME##Factory = new tFactory<CLASS_NAME>(#CLASS_NAME) |
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[4487] | 38 | |
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| 39 | //! The Factory is a loadable object handler |
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[4597] | 40 | class Factory : public BaseObject { |
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[3940] | 41 | |
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| 42 | public: |
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[4487] | 43 | Factory (const char* factoryName = NULL); |
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[3940] | 44 | ~Factory (); |
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| 45 | |
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[4597] | 46 | |
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[4253] | 47 | virtual BaseObject* fabricate(const TiXmlElement* root); |
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[4003] | 48 | void initialize(); |
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| 49 | void registerFactory( Factory* factory); |
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[4487] | 50 | void setFactoryName(const char* factoryName); |
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| 51 | /** \returns the name of the factory */ |
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| 52 | const char* getFactoryName() { return this->factoryName; }; |
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| 53 | /** \brief sets the Next factory in the list \param nextFactory the next factory */ |
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| 54 | inline void setNext( Factory* nextFactory) { this->next = nextFactory; }; |
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| 55 | /** \returns the next factory */ |
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| 56 | Factory* getNext(void) const { return this->next; }; |
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[4597] | 57 | |
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[4487] | 58 | protected: |
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| 59 | char* factoryName; //!< the name of the factory |
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[3940] | 60 | private: |
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[4487] | 61 | Factory* next; //!< pointer to the next factory. |
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[3940] | 62 | }; |
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| 63 | |
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[4487] | 64 | /** |
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| 65 | \brief a factory that is able to load any kind of Object |
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| 66 | (this is a Functor) |
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| 67 | */ |
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[4004] | 68 | template<class T> class tFactory : public Factory |
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| 69 | { |
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| 70 | public: |
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[4487] | 71 | tFactory(const char* factoryName); |
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[4004] | 72 | virtual ~tFactory(); |
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[4597] | 73 | |
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[4004] | 74 | private: |
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[4253] | 75 | BaseObject* fabricate(const TiXmlElement* root); |
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[4004] | 76 | }; |
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| 77 | |
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[4487] | 78 | /** |
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| 79 | \brief construnts a factory with |
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| 80 | \param factoryName the name of the factory |
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| 81 | */ |
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[4004] | 82 | template<class T> |
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[4487] | 83 | tFactory<T>::tFactory(const char* factoryName) : Factory(factoryName) |
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[4004] | 84 | { |
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[4487] | 85 | PRINTF(5)("fileName: %s loadable\n", this->factoryName); |
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[4004] | 86 | } |
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| 87 | |
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[4597] | 88 | |
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[4004] | 89 | template<class T> |
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| 90 | tFactory<T>::~tFactory() |
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| 91 | {} |
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| 92 | |
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| 93 | template<class T> |
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[4597] | 94 | BaseObject* tFactory<T>::fabricate(const TiXmlElement* root) |
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| 95 | { |
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[4020] | 96 | if(!strcmp(root->Value(), getFactoryName())) |
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[4004] | 97 | return new T ( root); |
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[4597] | 98 | else if( getNext() != NULL) |
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[4004] | 99 | return getNext()->fabricate( root); |
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[4597] | 100 | else |
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[4004] | 101 | return NULL; |
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| 102 | } |
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| 103 | |
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[3940] | 104 | #endif /* _FACTORY_H */ |
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| 105 | |
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