allow Lua expressions in ActorCommand parameters

stepmania/src/Actor.cpp

@@ -624,7 +624,7 @@ void Actor::Command( CString sCommands )
 	sCommands.MakeLower();
 
 	vector<ParsedCommand> vCommands;
-	ParseCommands( sCommands, vCommands );
+ 	ParseCommands( sCommands, vCommands );
 
 	for( unsigned i=0; i<vCommands.size(); i++ )
 		this->HandleCommand( vCommands[i] );

stepmania/src/ActorCommands.cpp

@@ -3,6 +3,8 @@
 #include "RageUtil.h"
 #include "RageLog.h"
 #include "arch/Dialog/Dialog.h"
+#include "LuaHelpers.h"
+
 
 void IncorrectActorParametersWarning( const ParsedCommand &command, int iMaxIndexAccessed )
 {
@@ -12,13 +14,11 @@ void IncorrectActorParametersWarning( const ParsedCommand &command, int iMaxInde
 	Dialog::OK( sError );
 }
 
-void ParsedCommandToken::Set( const CString &sToken )
+void ParsedCommandToken::Set( const CString &sParam )
 {
-	s = sToken;
-	f = strtof( sToken, NULL );
-	i = atoi( sToken );
-	b = i != 0;
-	bColorIsValid = c.FromString( sToken );
+	s = sParam;
+	f = Lua::RunExpressionF( sParam );
+	bColorIsValid = c.FromString( sParam );
 }
 
 void ParsedCommand::Set( const CString &sCommand )

stepmania/src/ActorCommands.h

@@ -7,19 +7,19 @@
 
 struct ParsedCommandToken
 {
-	void Set( const CString &sToken );	// fill in all the different types
+	void Set( const CString &sParam );	// fill in all the different types
 
 	CString s;
 	float f;
-	int i;
-	bool b;
 	RageColor c;	// HTML-type color which is packed into one parameter
-	bool bColorIsValid;	// true if c is a valid HTML-type color
+	// true if c is a valid HTML-type color.  Otherwise, this value is the red component
+	// and the next 3 params are the other components.
+	bool bColorIsValid;
 
 	operator const CString () const		{ return s; };
 	operator const float () const		{ return f; };
-	operator const int () const			{ return i; };
-	operator const bool () const		{ return b; };
+	operator const int () const			{ return (int)f; };
+	operator const bool () const		{ return ((int)f)!=0; };
 	operator const RageColor () const	{ return c; };
 };
 

stepmania/src/ScreenManager.cpp

@@ -135,7 +135,7 @@ void ScreenSystemLayer::ReloadCreditsText()
 	m_textMessage.SetName( "Message" );
 	SET_XY_AND_ON_COMMAND( m_textMessage ); 
 
-	m_textStats.LoadFromFont( THEME->GetPathToF("ScreenSystemLayer stats") );
+ 	m_textStats.LoadFromFont( THEME->GetPathToF("ScreenSystemLayer stats") );
 	m_textStats.SetName( "Stats" );
 	SET_XY_AND_ON_COMMAND( m_textStats );