working on lesson mode

stepmania/src/ScreenGameplayLesson.cpp

@@ -0,0 +1,161 @@
+#include "global.h"
+#include "ScreenGameplayLesson.h"
+#include "RageLog.h"
+#include "GameState.h"
+#include "PrefsManager.h"
+
+REGISTER_SCREEN_CLASS( ScreenGameplayLesson );
+ScreenGameplayLesson::ScreenGameplayLesson( CString sName ) : ScreenGameplayNormal( sName )
+{
+	LOG->Trace( "ScreenGameplayLesson::ScreenGameplayLesson()" );
+
+	m_iCurrentLessonPageIndex = 0;
+}
+
+void ScreenGameplayLesson::Init()
+{
+	ASSERT( GAMESTATE->m_pCurStyle );
+	ASSERT( GAMESTATE->m_pCurSong );
+
+	/* Now that we've set up, init the base class. */
+	ScreenGameplay::Init();
+
+	ClearMessageQueue();	// remove all of the messages set in ScreenGameplay that animate "ready", "here we go", etc.
+
+	GAMESTATE->m_bPastHereWeGo = true;
+
+	m_DancingState = STATE_DANCING;
+
+
+	// Load lessons
+	Song *pSong = GAMESTATE->m_pCurSong;
+	CString sDir = pSong->GetSongDir();
+	vector<CString> vs;
+	GetDirListing( sDir+"Page*", vs, true, true );
+	m_vLessonPages.resize( vs.size() );
+	FOREACH( CString, vs, s )
+	{
+		int i = s - vs.begin();
+		AutoActor &aa = m_vLessonPages[i];
+
+
+		LUA->SetGlobal( "PageIndex", i );
+		LUA->SetGlobal( "NumPages", (int)vs.size() );
+		aa.Load( *s );
+		LUA->UnsetGlobal( "PageIndex" );
+		LUA->UnsetGlobal( "NumPages" );
+
+
+		aa->SetDrawOrder( DRAW_ORDER_OVERLAY );
+		this->AddChild( aa );
+	}
+
+	this->SortByDrawOrder();
+
+	// Show the first lesson page
+	if( !m_vLessonPages.empty() )
+	{
+		AutoActor &aa = m_vLessonPages[0];
+		aa->PlayCommand( "Show" );
+	}
+
+	FOREACH( AutoActor, m_vLessonPages, aa )
+		(*aa)->PlayCommand( "On" );
+}
+
+void ScreenGameplayLesson::Input( const InputEventPlus &input )
+{
+	//LOG->Trace( "ScreenGameplayLesson::Input()" );
+
+	if( m_iCurrentLessonPageIndex != -1 )
+	{
+		// show a lesson page
+		Screen::Input( input );
+	}
+	else
+	{
+		// in the "your turn" section"
+		ScreenGameplay::Input( input );
+	}
+}
+
+void ScreenGameplayLesson::HandleScreenMessage( const ScreenMessage SM )
+{
+	if( SM == SM_NotesEnded )
+	{
+		bool bShowingAPage = m_iCurrentLessonPageIndex != -1;
+
+		if( bShowingAPage )
+		{
+			// reload and loop
+		}
+		else
+		{
+			// show finish message if passed, loop if failed
+		}
+	}
+
+	ScreenGameplay::HandleScreenMessage( SM );
+}
+
+void ScreenGameplayLesson::MenuStart( PlayerNumber pn )
+{
+	if( m_iCurrentLessonPageIndex == -1 )
+		return;
+	ChangeLessonPage( +1 );
+}
+
+void ScreenGameplayLesson::MenuBack( PlayerNumber pn )
+{
+	if( m_iCurrentLessonPageIndex == -1 )
+		return;
+	ChangeLessonPage( -1 );
+}
+
+void ScreenGameplayLesson::ChangeLessonPage( int iDir )
+{
+	if( m_iCurrentLessonPageIndex + iDir < 0 )
+	{
+		// don't change
+		return;
+	}
+	else if( m_iCurrentLessonPageIndex + iDir >= m_vLessonPages.size() )
+	{
+		// dismissed the last page.  Proceed to the "your turn" portion.
+		FOREACH( AutoActor, m_vLessonPages, aa )
+			(*aa)->PlayCommand( "Off" );
+
+		m_iCurrentLessonPageIndex = -1;
+	}
+	else
+	{
+		m_vLessonPages[m_iCurrentLessonPageIndex]->PlayCommand( "Hide" );
+		m_iCurrentLessonPageIndex += iDir;
+		m_vLessonPages[m_iCurrentLessonPageIndex]->PlayCommand( "Show" );
+	}
+}
+
+/*
+ * (c) 2003-2004 Chris Danford
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */