| 1 | /*! |
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| 2 | * @file entity_manager.h |
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| 3 | * Manages creation and destruction of entities |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef _NETWORK_GAME_MANGER |
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| 7 | #define _NETWORK_GAME_MANAGER |
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| 8 | |
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| 9 | /* include this file, it contains some default definitions */ |
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| 10 | #include "netdefs.h" |
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| 11 | |
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| 12 | /* include base_object.h since all classes are derived from this one */ |
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| 13 | #include "synchronizeable.h" |
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| 14 | |
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| 15 | |
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| 16 | class TiXmlElement; |
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| 17 | |
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| 18 | /** |
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| 19 | * protocol definition |
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| 20 | * |
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| 21 | * CREATE_ENTITY: CLASS_ID, UNIQUE_ID, OWNER |
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| 22 | * REMOVE_ENTITY: UNIQUE_ID |
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| 23 | * |
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| 24 | * CREATE_ENTITY_LIST: NUMBER, [CLASS_ID, UNIQUE_ID, OWNER][0..NUMBER] |
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| 25 | * REMOVE_ENTITY_LIST: NUMBER, [UNIQUE_ID][0..NUMBER] |
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| 26 | * |
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| 27 | * REQUEST_CREATE: CLASS_ID |
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| 28 | * REQUEST_REMOVE: UNIQUE_ID |
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| 29 | * |
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| 30 | * //REQUEST_CREATE_LIST: NUMBER, [CLASS_ID][0..NUMBER] |
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| 31 | * //REQUEST_CREATE_LIST: NUMBER, [UNIQUE_ID][0..NUMBER] |
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| 32 | * |
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| 33 | * REQUEST_ENTITY_LIST: //request the whole world :D |
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| 34 | * REQUEST_SYNC: UNIQUE_ID |
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| 35 | * //REQUEST_SYNC_LIST: NUMBER, [UNIQUE_ID][0..NUMBER] |
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| 36 | * |
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| 37 | * YOU_ARE_ENTITY: UNIQUE_ID |
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| 38 | * |
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| 39 | */ |
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| 40 | |
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| 41 | typedef enum NetworkGameManagerProtocol{ |
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| 42 | CREATE_ENTITY = 0, |
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| 43 | REMOVE_ENTITY, |
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| 44 | CREATE_ENTITY_LIST, |
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| 45 | REMOVE_ENTITY_LIST, |
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| 46 | REQUEST_CREATE, |
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| 47 | REQUEST_REMOVE, |
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| 48 | REQUEST_SYNC, |
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| 49 | YOU_ARE_ENTITY, |
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| 50 | REQUEST_ENTITY_LIST |
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| 51 | }; |
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| 52 | |
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| 53 | struct clientBuffer |
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| 54 | { |
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| 55 | int length; |
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| 56 | int maxLength; |
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| 57 | byte * buffer; |
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| 58 | }; |
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| 59 | |
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| 60 | /*! |
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| 61 | * a class that can create and remove entities |
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| 62 | */ |
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| 63 | class NetworkGameManager: public Synchronizeable |
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| 64 | { |
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| 65 | public: |
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| 66 | ~NetworkGameManager(); |
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| 67 | |
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| 68 | static NetworkGameManager* NetworkGameManager::getInstance() |
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| 69 | { if (!NetworkGameManager::singletonRef) NetworkGameManager::singletonRef = new NetworkGameManager(); return NetworkGameManager::singletonRef; } |
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| 70 | |
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| 71 | virtual int writeBytes(const byte* data, int length, int sender); |
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| 72 | virtual int readBytes(byte* data, int maxLength, int * reciever); |
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| 73 | virtual void writeDebug() const; |
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| 74 | virtual void readDebug() const; |
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| 75 | |
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| 76 | int createEntity( ClassID classID, int owner = 0 ); |
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| 77 | BaseObject* createEntity(const TiXmlElement* element); |
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| 78 | void removeEntity( int uniqueID ); |
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| 79 | void sendYouAre( int uniqueID, int userID ); |
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| 80 | |
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| 81 | void sync(int uniqueID, int owner); |
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| 82 | |
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| 83 | void sendEntityList(int userID); |
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| 84 | |
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| 85 | private: |
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| 86 | NetworkGameManager(); |
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| 87 | |
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| 88 | void requestCreateEntity(ClassID classID); |
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| 89 | int executeCreateEntity(ClassID classID, int uniqueID = 0, int owner = 0); |
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| 90 | |
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| 91 | void requestRemoveEntity(int uniqueID); |
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| 92 | void executeRemoveEntity(int uniqueID); |
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| 93 | |
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| 94 | void executeRequestSync( int uniqueID, int user ); |
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| 95 | |
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| 96 | BaseObject* doCreateEntity(ClassID classID, int uniqueID, int owner); |
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| 97 | void doRemoveEntity(int uniqueID); |
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| 98 | void doRequestSync(int uniqueID, int userID); |
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| 99 | void doYouAre( int uniqueID ); |
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| 100 | |
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| 101 | bool canCreateEntity(ClassID classID); |
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| 102 | |
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| 103 | bool signalNewPlayer(int userId); |
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| 104 | |
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| 105 | void resizeBufferVector(int n); |
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| 106 | |
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| 107 | inline bool writeToClientBuffer( clientBuffer &cb, byte*data, int length ); |
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| 108 | inline bool writeToClientBuffer( clientBuffer &cb, byte b ); |
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| 109 | inline bool writeToClientBuffer( clientBuffer &cb, int i ); |
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| 110 | inline bool readFromClientBuffer( clientBuffer &cb, byte*data, int length ); |
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| 111 | |
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| 112 | //helper functions for writeBytes |
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| 113 | inline bool handleRequestCreate( int& i, const byte* data, int length, int sender ); |
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| 114 | inline bool handleRequestRemove( int& i, const byte* data, int length, int sender ); |
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| 115 | inline bool handleCreateEntity( int& i, const byte* data, int length, int sender ); |
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| 116 | inline bool handleRemoveEntity( int& i, const byte* data, int length, int sender ); |
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| 117 | inline bool handleCreateEntityList( int& i, const byte* data, int length, int sender ); |
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| 118 | inline bool handleRemoveEntityList( int& i, const byte* data, int length, int sender ); |
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| 119 | inline bool handleYouAreEntity( int& i, const byte* data, int length, int sender ); |
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| 120 | inline bool handleRequestSync( int& i, const byte* data, int length, int sender ); |
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| 121 | |
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| 122 | private: |
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| 123 | std::vector<clientBuffer> outBuffer; |
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| 124 | clientBuffer allOutBuffer; |
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| 125 | static NetworkGameManager* singletonRef; |
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| 126 | |
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| 127 | int newUniqueID; |
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| 128 | bool hasRequestedWorld; |
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| 129 | }; |
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| 130 | |
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| 131 | #endif /*_ENTITY_MANGER*/ |
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