bool CTilegenState::ParseAction( KeyValues *pKeyValues )
{
ITilegenAction *pNewAction = NULL;
ITilegenExpression< bool > *pCondition = NULL;
if ( CreateActionAndCondition( pKeyValues, &pNewAction, &pCondition ) )
{
AddAction( pNewAction, pCondition );
return true;
}
else
{
return false;
}
}
bool CTilegenAction_NestedActions::LoadFromKeyValues( KeyValues *pKeyValues )
{
for ( KeyValues *pSubKey = pKeyValues->GetFirstSubKey(); pSubKey != NULL; pSubKey = pSubKey->GetNextKey() )
{
if ( Q_stricmp( pSubKey->GetName(), "action" ) == 0 )
{
ITilegenAction *pAction;
ITilegenExpression< bool > *pCondition;
if ( !CreateActionAndCondition( pSubKey, &pAction, &pCondition ) )
{
Log_Warning( LOG_TilegenLayoutSystem, "Error creating nested action/condition pair in CTilegenAction_NestedActions.\n" );
return false;
}
m_NestedActions.AddToTail( ActionConditionPair_t( pAction, pCondition ) );
}
}
// Load up an optional "while" loop condition
return CreateExpressionFromKeyValuesBlock( pKeyValues, "while", GetTypeName(), &m_pWhileCondition, true );
}
CLayoutSystem::CLayoutSystem() :
m_nRandomSeed( 0 ),
m_pGlobalActionState( NULL ),
m_pCurrentState( NULL ),
m_pMapLayout( NULL ),
m_ActionData( DefLessFunc( ITilegenAction *) ),
m_bLayoutError( false ),
m_bGenerating( false ),
m_nIterations( 0 ),
m_nUselessIterations( 0 )
{
m_States.SetLayoutSystem( this );
}
CLayoutSystem::~CLayoutSystem()
{
m_TilegenListeners.PurgeAndDeleteElements();
delete m_pGlobalActionState;
}
bool CLayoutSystem::LoadFromKeyValues( KeyValues *pKeyValues )
{
// Make sure all tilegen class factories have been registered.
RegisterAllTilegenClasses();
for ( KeyValues *pSubKey = pKeyValues->GetFirstSubKey(); pSubKey != NULL; pSubKey = pSubKey->GetNextKey() )
{
if ( Q_stricmp( pSubKey->GetName(), "state" ) == 0 )
{
CTilegenState *pNewState = new CTilegenState( this, NULL );
if ( !pNewState->LoadFromKeyValues( pSubKey ) )
{
delete pNewState;
return false;
}
m_States.AddState( pNewState );
}
else if ( Q_stricmp( pSubKey->GetName(), "action" ) == 0 )
{
// Global actions, executed at the beginning of every state
ITilegenAction *pNewAction = NULL;
ITilegenExpression< bool > *pCondition = NULL;
if ( CreateActionAndCondition( pSubKey, &pNewAction, &pCondition ) )
{
if ( m_pGlobalActionState == NULL )
{
m_pGlobalActionState = new CTilegenState( this, NULL );
}
m_pGlobalActionState->AddAction( pNewAction, pCondition );
}
else
{
return false;
}
}
else if ( Q_stricmp( pSubKey->GetName(), "mission_settings" ) == 0 )
{
m_nRandomSeed = pSubKey->GetInt( "RandomSeed", 0 );
}
}
return true;
}
