Add NoteFieldPositioning. This handles translating from the origin

of a note field to the position of each track.  (No new functionality yet.)

stepmania/src/Makefile.am

@@ -48,7 +48,7 @@ NotesWriterDWI.cpp NotesWriterDWI.h NotesWriterSM.cpp NotesWriterSM.h NoteTypes.
 PlayerOptions.cpp PlayerOptions.h RandomSample.cpp RandomSample.h Song.cpp song.h SongCacheIndex.cpp SongCacheIndex.h \
 SongOptions.cpp SongOptions.h StageStats.cpp StageStats.h StyleDef.cpp StyleDef.h StyleInput.h \
 TitleSubstitution.cpp TitleSubstitution.h Inventory.cpp Inventory.h PlayerNumber.cpp PlayerNumber.h \
-LyricsLoader.cpp LyricsLoader.h
+LyricsLoader.cpp LyricsLoader.h NoteFieldPositioning.cpp NoteFieldPositioning.h
 
 FileTypes = IniFile.cpp IniFile.h MsdFile.cpp MsdFile.h
 

stepmania/src/NoteFieldPositioning.cpp

@@ -0,0 +1,94 @@
+#include "global.h"
+#include "NoteFieldPositioning.h"
+#include "Actor.h"
+#include "RageDisplay.h"
+#include "RageUtil.h"
+#include "RageMath.h"
+#include "RageLog.h"
+
+
+NoteFieldPositioning::NoteFieldPositioning()
+{
+	/* Note: while Actor class is usually the base class of something that
+	 * renders something to screen, all Actor itself does is store location and
+	 * effect state and handle tweening between them.  These actors do this
+	 * without actually rendering anything; we only use them for their render
+	 * state. */
+	for( int t=0; t<MAX_NOTE_TRACKS; t++ )
+	{
+		m_Position[t] = new Actor;
+		m_bPerspective[t] = false;
+		m_PerspPosition[t] = new Actor;
+	}
+
+	Init();
+}
+
+NoteFieldPositioning::~NoteFieldPositioning()
+{
+	for( int t=0; t<MAX_NOTE_TRACKS; t++ )
+	{
+		delete m_Position[t];
+		delete m_PerspPosition[t];
+	}
+}
+
+void NoteFieldPositioning::Init()
+{
+	for( int t=0; t<MAX_NOTE_TRACKS; t++ )
+	{
+		m_Position[t]->Reset();
+	}
+}
+/*
+void NoteFieldPositioning::LoadFromFile(CString fn)
+{
+	Init();
+
+}
+*/
+void NoteFieldPositioning::LoadFromStyleDef(const StyleDef *s, PlayerNumber pn)
+{
+	Init();
+
+	for( int t=0; t<MAX_NOTE_TRACKS; t++ )
+	{
+		/* Set up the normal position of each track. */
+		const float fPixelXOffsetFromCenter = s->m_ColumnInfo[pn][t].fXOffset;
+		m_Position[t]->SetX(fPixelXOffsetFromCenter);
+	}
+}
+
+void NoteFieldPositioning::Update(float fDeltaTime)
+{
+	for( int t=0; t<MAX_NOTE_TRACKS; t++ )
+	{
+		m_Position[t]->Update(fDeltaTime);
+		m_PerspPosition[t]->Update(fDeltaTime);
+	}
+}
+
+void NoteFieldPositioning::BeginDrawTrack(int tn)
+{
+	m_Position[tn]->BeginDraw();
+
+	if(m_bPerspective[tn])
+	{
+		DISPLAY->EnterPerspective(45);
+	}
+	
+//	m_PerspPosition[tn]->BeginDraw();
+}
+
+void NoteFieldPositioning::EndDrawTrack(int tn)
+{
+	m_PerspPosition[tn]->EndDraw();
+
+	if(m_bPerspective[tn])
+	{
+		DISPLAY->ExitPerspective();
+	}
+
+//	m_Position[tn]->EndDraw();
+}
+

stepmania/src/NoteFieldPositioning.h

@@ -0,0 +1,31 @@
+#ifndef NOTEFIELD_POSITIONING_H
+#define NOTEFIELD_POSITIONING_H
+
+#include "NoteTypes.h"
+#include "PlayerNumber.h"
+#include "StyleDef.h"
+#include "PlayerNumber.h"
+
+class Actor;
+
+class NoteFieldPositioning
+{
+	Actor *m_Position[MAX_NOTE_TRACKS];
+	bool m_bPerspective[MAX_NOTE_TRACKS];
+//	float 
+	Actor *m_PerspPosition[MAX_NOTE_TRACKS];
+
+public:
+	NoteFieldPositioning();
+	~NoteFieldPositioning();
+	void Init();
+	void Update(float fDeltaTime);
+
+	void LoadFromFile(CString fn);
+	void LoadFromStyleDef(const StyleDef *s, PlayerNumber pn);
+
+	void BeginDrawTrack(int tn);
+	void EndDrawTrack(int tn);
+};
+
+#endif

stepmania/src/StepMania.dsp

@@ -553,6 +553,14 @@ SOURCE=.\TitleSubstitution.cpp
 
 SOURCE=.\TitleSubstitution.h
 # End Source File
+# Begin Source File
+
+SOURCE=.\NoteFieldPositioning.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\NoteFieldPositioning.h
+# End Source File
 # End Group
 # Begin Group "File Types"
 

stepmania/src/StepMania.vcproj

@@ -590,6 +590,12 @@ cl /Zl /nologo /c verstub.cpp /Fo$(IntDir)\
 			<File
 				RelativePath="NoteDataWithScoring.h">
 			</File>
+			<File
+				RelativePath="NoteFieldPositioning.cpp">
+			</File>
+			<File
+				RelativePath="NoteFieldPositioning.h">
+			</File>
 			<File
 				RelativePath="NoteTypes.cpp">
 			</File>