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work on allowing parameters to messages: pass a Message

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struct, not just a string
This commit is contained in:
Glenn Maynard
2006-11-13 23:07:02 +00:00
parent ec061bebc3
commit c219f56a3b
2 changed files with 41 additions and 45 deletions
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stepmania/src/MessageManager.cpp
+22 -41
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@@ -141,6 +141,27 @@ static RageMutex g_Mutex( "MessageManager" );
typedef set<IMessageSubscriber*> SubscribersSet;
static map<RString,SubscribersSet> g_MessageToSubscribers;
Message::Message( const RString &s )
{
m_sName = s;
m_pParams = new LuaTable;
}
Message::~Message()
{
delete m_pParams;
}
void Message::PushParamTable( lua_State *L )
{
m_pParams->PushSelf( L );
}
void Message::PushParam( lua_State *L, RString sName )
{
}
MessageManager::MessageManager()
{
// Register with Lua.
@@ -204,7 +225,7 @@ void MessageManager::Broadcast( const RString& sMessage ) const
FOREACHS_CONST( IMessageSubscriber*, iter->second, p )
{
IMessageSubscriber *pSub = *p;
pSub->HandleMessageInternal( sMessage );
pSub->HandleMessage( Message(sMessage) );
}
}
@@ -215,50 +236,10 @@ void MessageManager::Broadcast( MessageID m ) const
void IMessageSubscriber::ClearMessages( const RString sMessage )
{
LockMut(g_Mutex);
if( sMessage.empty() )
{
m_aMessages.clear();
return;
}
RemoveIfEqual( m_aMessages, sMessage );
}
void IMessageSubscriber::HandleMessageInternal( const RString& sMessage )
{
g_Mutex.Lock();
m_aMessages.push_back( sMessage );
g_Mutex.Unlock();
}
void IMessageSubscriber::ProcessMessages( float fDeltaTime )
{
/* Important optimization for the vast majority of cases: don't lock the
* mutex if we have no messages. */
if( m_aMessages.empty() )
return;
g_Mutex.Lock();
for( unsigned i = 0; i < m_aMessages.size(); ++i )
{
/* Remove the message from the list. */
const RString sMessage = m_aMessages[i];
m_aMessages.erase( m_aMessages.begin()+i );
--i;
unsigned iSize = m_aMessages.size();
g_Mutex.Unlock();
HandleMessage( sMessage );
g_Mutex.Lock();
/* If the size changed, start over. */
if( iSize != m_aMessages.size() )
i = 0;
}
g_Mutex.Unlock();
}
MessageSubscriber::MessageSubscriber( const MessageSubscriber &cpy ):