Ted Percival
143 lines
4.2 KiB
C++
143 lines
4.2 KiB
C++
/* MessageManager - Control lights. */
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#ifndef MessageManager_H
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#define MessageManager_H
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#include <set>
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#include <map>
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class IMessageSubscriber
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{
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public:
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virtual void HandleMessage( const CString& sMessage ) = 0;
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};
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struct lua_State;
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enum Message
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{
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MESSAGE_CURRENT_SONG_CHANGED,
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MESSAGE_CURRENT_STEPS_P1_CHANGED,
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MESSAGE_CURRENT_STEPS_P2_CHANGED,
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MESSAGE_EDIT_STEPS_TYPE_CHANGED,
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MESSAGE_EDIT_SOURCE_STEPS_CHANGED,
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MESSAGE_EDIT_SOURCE_STEPS_TYPE_CHANGED,
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MESSAGE_EDIT_PREFERRED_DIFFICULTY_P1_CHANGED,
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MESSAGE_EDIT_PREFERRED_DIFFICULTY_P2_CHANGED,
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MESSAGE_EDIT_PREFERRED_COURSE_DIFFICULTY_P1_CHANGED,
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MESSAGE_EDIT_PREFERRED_COURSE_DIFFICULTY_P2_CHANGED,
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NUM_MESSAGES,
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MESSAGE_INVALID
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};
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const CString& MessageToString( Message m );
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class MessageManager
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{
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public:
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MessageManager();
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~MessageManager();
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void Subscribe( IMessageSubscriber* pSubscriber, const CString& sMessage );
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void Subscribe( IMessageSubscriber* pSubscriber, Message m );
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void Unsubscribe( IMessageSubscriber* pSubscriber, const CString& sMessage );
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void Unsubscribe( IMessageSubscriber* pSubscriber, Message m );
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void Broadcast( const CString& sMessage ) const;
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void Broadcast( Message m ) const;
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// Lua
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void PushSelf( lua_State *L );
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private:
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typedef set<IMessageSubscriber*> SubscribersSet;
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map<CString,SubscribersSet> m_MessageToSubscribers;
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};
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extern MessageManager* MESSAGEMAN; // global and accessable from anywhere in our program
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template<class T>
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class BroadcastOnChange
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{
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private:
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Message mSendWhenChanged;
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T val;
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public:
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BroadcastOnChange( Message m ) { mSendWhenChanged = m; }
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const T Get() const { return val; }
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void Set( T t ) { val = t; MESSAGEMAN->Broadcast( MessageToString(mSendWhenChanged) ); }
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operator T () const { return val; }
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};
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template<class T, int N>
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class BroadcastOnChange1D
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{
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private:
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typedef BroadcastOnChange<T> MyType;
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vector<MyType> val;
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public:
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BroadcastOnChange1D( Message m )
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{
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for( unsigned i=0; i<N; i++ )
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val.push_back( BroadcastOnChange<T>((Message)(m+i)) );
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}
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const BroadcastOnChange<T>& operator[]( unsigned i ) const { return val[i]; }
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BroadcastOnChange<T>& operator[]( unsigned i ) { return val[i]; }
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};
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template<class T>
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class BroadcastOnChangePtr
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{
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private:
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Message mSendWhenChanged;
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T *val;
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public:
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BroadcastOnChangePtr( Message m ) { mSendWhenChanged = m; }
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const T* Get() const { return val; }
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void Set( T* t ) { val = t; MESSAGEMAN->Broadcast( MessageToString(mSendWhenChanged) ); }
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operator T* () const { return val; }
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T* operator->() const { return val; }
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};
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template<class T, int N>
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class BroadcastOnChangePtr1D
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{
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private:
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typedef BroadcastOnChangePtr<T> MyType;
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vector<MyType> val;
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public:
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BroadcastOnChangePtr1D( Message m )
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{
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for( unsigned i=0; i<N; i++ )
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val.push_back( BroadcastOnChangePtr<T>((Message)(m+i)) );
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}
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const BroadcastOnChangePtr<T>& operator[]( unsigned i ) const { return val[i]; }
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BroadcastOnChangePtr<T>& operator[]( unsigned i ) { return val[i]; }
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};
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#endif
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/*
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* (c) 2003-2004 Chris Danford
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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