From b5ef8003868078b2e9643e4808726f28bc6f725d Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Sat, 16 Oct 2004 02:46:10 +0000
Subject: [PATCH] little hack to allow forcing propagation of commands to
 children that normally aren't

---
 stepmania/src/Actor.cpp      |  2 +-
 stepmania/src/ActorFrame.cpp | 35 +++++++++++++++++++++++++++++++++--
 stepmania/src/ActorFrame.h   |  3 +++
 3 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/stepmania/src/Actor.cpp b/stepmania/src/Actor.cpp
index cce339b473..305b446f8c 100644
--- a/stepmania/src/Actor.cpp
+++ b/stepmania/src/Actor.cpp
@@ -742,7 +742,7 @@ void Actor::HandleCommand( const ParsedCommand &command )
 	 * on these commands. */
 	else if( sName=="customtexturerect" || sName=="texcoordvelocity" || sName=="scaletoclipped" ||
 		 sName=="stretchtexcoords" || sName=="position" || sName=="loop" || sName=="play" ||
-		 sName=="pause" || sName=="rate" )
+		 sName=="pause" || sName=="rate" || sName=="propagate" )
 		return;
 	else
 	{
diff --git a/stepmania/src/ActorFrame.cpp b/stepmania/src/ActorFrame.cpp
index 126f899e52..1670edc4d7 100644
--- a/stepmania/src/ActorFrame.cpp
+++ b/stepmania/src/ActorFrame.cpp
@@ -3,6 +3,11 @@
 #include "arch/Dialog/Dialog.h"
 #include "RageUtil.h"
 
+ActorFrame::ActorFrame()
+{
+	m_bPropagateCommands = false;
+}
+
 void ActorFrame::AddChild( Actor* pActor )
 {
 #if _DEBUG
@@ -68,6 +73,12 @@ void ActorFrame::RunCommandOnChildren( const CString &cmd )
 		m_SubActors[i]->Command( cmd );
 }
 
+void ActorFrame::RunCommandOnChildren( const ParsedCommand &cmd )
+{
+	for( unsigned i=0; i<m_SubActors.size(); i++ )
+		m_SubActors[i]->HandleCommand( cmd );
+}
+
 void ActorFrame::Update( float fDeltaTime )
 {
 //	LOG->Trace( "ActorFrame::Update( %f )", fDeltaTime );
@@ -146,9 +157,29 @@ void ActorFrame::DeleteAllChildren()
 
 void ActorFrame::HandleCommand( const ParsedCommand &command )
 {
-	Actor::HandleCommand( command );
+	HandleParams;
 
-	// don't propograte most commands to children
+	const CString& sName = sParam(0);
+	do
+	{
+		if( sName=="propagate" )
+		{
+			m_bPropagateCommands = bParam(1);
+			RunCommandOnChildren( command );
+		}
+		else
+		{
+			Actor::HandleCommand( command );
+			break;
+		}
+		CheckHandledParams;
+	} while(0);
+
+	/* By default, don't propograte most commands to children; it makes no sense
+	 * to run "x,50" recursively.  If m_bPropagateCommands is set, propagate all
+	 * commands. */
+	if( m_bPropagateCommands && sName!="propagate" )
+		RunCommandOnChildren( command );
 }
 
 void ActorFrame::GainFocus( float fRate, bool bRewindMovie, bool bLoop )
diff --git a/stepmania/src/ActorFrame.h b/stepmania/src/ActorFrame.h
index 78aee909c9..b381a947fa 100644
--- a/stepmania/src/ActorFrame.h
+++ b/stepmania/src/ActorFrame.h
@@ -8,6 +8,7 @@
 class ActorFrame : public Actor
 {
 public:
+	ActorFrame();
 	virtual void AddChild( Actor* pActor );
 	virtual void RemoveChild( Actor* pActor );
 	virtual void MoveToTail( Actor* pActor );
@@ -19,6 +20,7 @@ public:
 	void DeleteAllChildren();
 
 	virtual void RunCommandOnChildren( const CString &cmd ); /* but not on self */
+	virtual void RunCommandOnChildren( const ParsedCommand &cmd ); /* but not on self */
 	virtual void HandleCommand( const ParsedCommand &command );	// derivable
 
 	virtual void Update( float fDeltaTime );
@@ -41,6 +43,7 @@ public:
 
 protected:
 	vector<Actor*>	m_SubActors;
+	bool m_bPropagateCommands;
 };
 
 #endif