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Allow optional parameters, for rarely-used params.

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Glenn Maynard
2005-10-13 23:12:16 +00:00
parent fce721238e
commit 9d756b8ba4
1 changed files with 4 additions and 1 deletions
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stepmania/src/Actor.cpp
+4 -1
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@@ -205,12 +205,15 @@ void Actor::LoadFromNode( const CString& sDir, const XNode* pNode )
if( !pChild->GetAttrValue( "Name", sName ) )
RageException::Throw( ssprintf("Input node in '%s' is missing the attribute 'Name'", sDir.c_str()) );
bool bOptional = false;
pChild->GetAttrValue( "Optional", bOptional );
Lua *L = LUA->Get();
this->PushSelf( L );
LuaHelpers::Push( sName, L );
lua_getglobal( L, sName );
if( lua_isnil(L, -1) )
if( lua_isnil(L, -1) && !bOptional )
RageException::Throw( "Actor in \"%s\" requires parameter \"%s\" that is not set", sDir.c_str(), sName.c_str() );
lua_settable( L, -3 );