Add GroupList.

(Group list from the group select screen, with no limit on song count.)

stepmania/src/GroupList.cpp

@@ -0,0 +1,175 @@
+#include "stdafx.h"
+#include "GroupList.h"
+#include "ThemeManager.h"
+#include "SongManager.h"
+
+#define BUTTON_X			THEME->GetMetricF("SelectGroup","ButtonX")
+#define BUTTON_START_Y		THEME->GetMetricF("SelectGroup","ButtonStartY")
+#define BUTTON_SPACING_Y	THEME->GetMetricF("SelectGroup","ButtonSpacingY")
+#define BUTTON_SELECTED_X	THEME->GetMetricF("SelectGroup","ButtonSelectedX")
+
+GroupList::GroupList()
+{
+	m_iSelection = m_iTop = 0;
+}
+
+void GroupList::DoneAddingGroups()
+{
+	int i;
+
+	for( i=0; i<min(m_textLabels.GetSize(), MAX_GROUPS_ONSCREEN); i++ )
+	{
+		m_sprButton[i].Load( THEME->GetPathTo("Graphics","select group button") );
+		m_sprButton[i].SetXY( BUTTON_X, BUTTON_START_Y + i*BUTTON_SPACING_Y );
+		this->AddSubActor( &m_sprButton[i] );
+		this->AddSubActor( &m_screenLabels[i] );
+	}
+
+	for( i=0; i<min(m_textLabels.GetSize(), MAX_GROUPS_ONSCREEN); i++ )
+	{
+		m_screenLabels[i].LoadFromFont( THEME->GetPathTo("Fonts","normal") );
+		m_screenLabels[i].SetXY( BUTTON_X, BUTTON_START_Y + i*BUTTON_SPACING_Y );
+		m_screenLabels[i].SetZoom( 0.8f );
+		m_screenLabels[i].SetShadowLength( 2 );
+
+		CString sGroupName = m_textLabels[i];
+	}
+
+	SetLabels();
+	AfterChange();
+}
+
+void GroupList::SetLabels()
+{
+	for( int i=0; i<min(m_textLabels.GetSize(), MAX_GROUPS_ONSCREEN); i++ )
+	{
+		CString &label = m_textLabels[m_iTop+i];
+		m_screenLabels[i].SetText( SONGMAN->ShortenGroupName( label ) );
+		
+		if( m_iTop+i == 0 )	m_screenLabels[i].TurnRainbowOn();
+		else {
+			m_screenLabels[i].TurnRainbowOff();
+			m_screenLabels[i].SetDiffuseColor( SONGMAN->GetGroupColor(label) );
+		}
+	}
+}
+
+void GroupList::BeforeChange()
+{
+	int iSel = m_iSelection-m_iTop;
+
+	m_sprButton[iSel].BeginTweening( 0.2f );
+	m_sprButton[iSel].SetTweenX( BUTTON_X );
+	m_sprButton[iSel].SetEffectNone();
+
+	m_screenLabels[iSel].BeginTweening( 0.2f );
+	m_screenLabels[iSel].SetTweenX( BUTTON_X );
+	m_screenLabels[iSel].SetEffectNone();
+}
+
+
+void GroupList::AfterChange()
+{
+	int iSel = m_iSelection-m_iTop;
+
+	m_sprButton[iSel].BeginTweening( 0.2f );
+	m_sprButton[iSel].SetTweenX( BUTTON_SELECTED_X );
+	m_sprButton[iSel].SetEffectGlowing();
+
+	m_screenLabels[iSel].BeginTweening( 0.2f );
+	m_screenLabels[iSel].SetTweenX( BUTTON_SELECTED_X );
+	m_screenLabels[iSel].SetEffectGlowing();
+}
+
+void GroupList::Up()
+{
+	BeforeChange();
+
+	if( m_iSelection == 0 )
+		SetSelection(m_textLabels.GetSize()-1);
+	else
+		SetSelection(m_iSelection-1);
+
+	AfterChange();
+}
+
+void GroupList::Down()
+{
+	BeforeChange();
+
+	SetSelection((m_iSelection+1) % m_textLabels.GetSize());
+	
+	AfterChange();
+}
+
+void GroupList::AddGroup(CString name)
+{
+	m_textLabels.Add(name);
+}
+
+void GroupList::SetSelection( int sel )
+{
+	BeforeChange();
+
+	if( sel == m_iSelection ) ;
+	else if( sel == m_iSelection+1 ) {
+		if( m_iSelection >= MAX_GROUPS_ONSCREEN/2 ) 
+			m_iTop++;
+	} else if( sel == m_iSelection-1 ) {
+		if(m_iSelection < m_textLabels.GetSize() - MAX_GROUPS_ONSCREEN/2)
+			m_iTop--;
+	} else {
+		/* We're jumping somewhere else; just put the top somewhere
+		 * reasonable. */
+		m_iTop = sel - MAX_GROUPS_ONSCREEN/2;
+	}
+
+	m_iSelection=sel;
+	m_iTop = clamp( m_iTop, 0, m_textLabels.GetSize()-MAX_GROUPS_ONSCREEN );
+
+	/* The current selection must always be visible. */
+	ASSERT( m_iTop <= m_iSelection );
+	ASSERT( m_iTop+MAX_GROUPS_ONSCREEN > m_iSelection );
+
+	SetLabels();
+	AfterChange();
+}
+
+
+void GroupList::TweenOnScreen()
+{
+	for( int i=0; i<min(m_textLabels.GetSize(), MAX_GROUPS_ONSCREEN); i++ )
+	{
+		m_sprButton[i].SetX( BUTTON_X+400 );
+		m_sprButton[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_END );
+		m_sprButton[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_END );
+		m_sprButton[i].SetTweenX( BUTTON_X );
+
+		m_screenLabels[i].SetX( BUTTON_X+400 );
+		m_screenLabels[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_END );
+		m_screenLabels[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_END );
+		m_screenLabels[i].SetTweenX( BUTTON_X );
+	}
+}
+
+void GroupList::TweenOffScreen()
+{
+	for( int i=0; i<min(m_textLabels.GetSize(), MAX_GROUPS_ONSCREEN); i++ )
+	{
+		if( i == m_iSelection )
+			m_sprButton[i].BeginTweeningQueued( 1.0f, TWEEN_BOUNCE_BEGIN );
+		else
+			m_sprButton[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_BEGIN );
+		m_sprButton[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_BEGIN );
+		m_sprButton[i].SetTweenX( BUTTON_X+400 );
+
+		if( i == m_iSelection )
+			m_screenLabels[i].BeginTweeningQueued( 1.0f, TWEEN_BOUNCE_BEGIN );
+		else
+			m_screenLabels[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_BEGIN );
+		m_screenLabels[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_BEGIN );
+		m_screenLabels[i].SetTweenX( BUTTON_X+400 );
+	}
+
+}
+

stepmania/src/GroupList.h

@@ -0,0 +1,38 @@
+#ifndef GROUPLIST_H
+#define GROUPLIST_H
+
+#include "ActorFrame.h"
+#include "Sprite.h"
+#include "BitmapText.h"
+
+const int MAX_GROUPS_ONSCREEN = 8;
+
+class GroupList: public ActorFrame {
+	Sprite			m_sprButton[MAX_GROUPS_ONSCREEN];
+	BitmapText		m_screenLabels[MAX_GROUPS_ONSCREEN];
+	CArray<CString,CString> m_textLabels;
+
+	/* Currently selected label. */
+	int m_iSelection;
+	/* Label that's currently at the top of the screen. */
+	int m_iTop;
+
+	void BeforeChange();
+	void AfterChange();
+	void SetLabels();
+
+public:
+	GroupList();
+
+	void SetSelection(int sel);
+	int GetSelection() const { return m_iSelection; }
+	CString GetSelectionName() const { return m_textLabels[m_iSelection]; }
+	void Up();
+	void Down();
+	void AddGroup(CString name);
+	void DoneAddingGroups();
+	void TweenOffScreen();
+	void TweenOnScreen();
+};
+
+#endif

stepmania/src/ScreenSelectGroup.cpp

@@ -34,10 +34,6 @@
 #define NUMBER_Y			THEME->GetMetricF("SelectGroup","NumberY")
 #define EXPLANATION_X		THEME->GetMetricF("SelectGroup","ExplanationX")
 #define EXPLANATION_Y		THEME->GetMetricF("SelectGroup","ExplanationY")
-#define BUTTON_X			THEME->GetMetricF("SelectGroup","ButtonX")
-#define BUTTON_SELECTED_X	THEME->GetMetricF("SelectGroup","ButtonSelectedX")
-#define BUTTON_START_Y		THEME->GetMetricF("SelectGroup","ButtonStartY")
-#define BUTTON_SPACING_Y	THEME->GetMetricF("SelectGroup","ButtonSpacingY")
 #define CONTENTS_X			THEME->GetMetricF("SelectGroup","ContentsX")
 #define CONTENTS_Y			THEME->GetMetricF("SelectGroup","ContentsY")
 
@@ -89,27 +85,27 @@ ScreenSelectGroup::ScreenSelectGroup()
 	for( i=0; i<aAllSongs.GetSize(); i++ )		// foreach Song
 		mapGroupToNothing[ aAllSongs[i]->m_sGroupName ] = "";			
 
-	// Read group names back out into an m_asGroupNames
+	CStringArray asGroupNames;
-	m_asGroupNames.Add( "ALL MUSIC" );
+	
+	// Read group names back out into asGroupNames
 	for( POSITION pos = mapGroupToNothing.GetStartPosition(); pos != NULL; )
 	{
 		CString sGroupName, sValue;
 		mapGroupToNothing.GetNextAssoc( pos, sGroupName, sValue );
-		m_asGroupNames.Add( sGroupName );
+		asGroupNames.Add( sGroupName );
-
-		if( m_asGroupNames.GetSize() == MAX_GROUPS-1 )
-			break;	// stop adding
 	}
-	SortCStringArray( m_asGroupNames, true );
+	SortCStringArray( asGroupNames, true );
+	asGroupNames.InsertAt(0, "ALL MUSIC" );
 
 	// Add songs to the MusicList.
-	for( int j=0; j<min(m_asGroupNames.GetSize(), MAX_GROUPS); j++ ) /* for each group */
+	for( int j=0; j < asGroupNames.GetSize(); j++ ) /* for each group */
 	{
 		CArray<Song*,Song*> aSongsInGroup;
 		/* find all songs */
 		for( i=0; i<aAllSongs.GetSize(); i++ )		// foreach Song
 		{
-			if( j != 0 && aAllSongs[i]->m_sGroupName != m_asGroupNames[j] )
+			/* group 0 gets all songs */
+			if( j != 0 && aAllSongs[i]->m_sGroupName != asGroupNames[j] )
 				continue;
 
 			aSongsInGroup.Add( aAllSongs[i] );
@@ -121,7 +117,6 @@ ScreenSelectGroup::ScreenSelectGroup()
 		m_MusicList.AddSongsToGroup(aSongsInGroup);
 	}
 
-	m_iSelection = 0;
 	m_bChosen = false;
 
 	m_Menu.Load(
@@ -157,25 +152,11 @@ ScreenSelectGroup::ScreenSelectGroup()
 
 	this->AddSubActor( &m_MusicList );
 	
-	for( i=0; i<min(m_asGroupNames.GetSize(), MAX_GROUPS); i++ )
+	for( i=0; i < asGroupNames.GetSize(); ++i )
-	{
+		m_GroupList.AddGroup( asGroupNames[i] );
-		CString sGroupName = m_asGroupNames[i];
+	m_GroupList.DoneAddingGroups();
+	this->AddSubActor( &m_GroupList );
 
-		m_sprButton[i].Load( THEME->GetPathTo("Graphics","select group button") );
-		m_sprButton[i].SetXY( BUTTON_X, BUTTON_START_Y + i*BUTTON_SPACING_Y );
-		this->AddSubActor( &m_sprButton[i] );
-
-		m_textLabel[i].LoadFromFont( THEME->GetPathTo("Fonts","normal") );
-		m_textLabel[i].SetXY( BUTTON_X, BUTTON_START_Y + i*BUTTON_SPACING_Y );
-		m_textLabel[i].SetText( SONGMAN->ShortenGroupName( sGroupName ) );
-		m_textLabel[i].SetZoom( 0.8f );
-		m_textLabel[i].SetShadowLength( 2 );
-
-		if( i == 0 )	m_textLabel[i].TurnRainbowOn();
-		else			m_textLabel[i].SetDiffuseColor( SONGMAN->GetGroupColor(sGroupName) );
-
-		this->AddSubActor( &m_textLabel[i] );
-	}
 
 	m_soundChange.Load( THEME->GetPathTo("Sounds","select group change") );
 	m_soundSelect.Load( THEME->GetPathTo("Sounds","menu start") );
@@ -192,6 +173,7 @@ ScreenSelectGroup::ScreenSelectGroup()
 	m_Menu.TweenOnScreenFromMenu( SM_None );
 	TweenOnScreen();
 	AfterChange();
+	m_GroupList.SetSelection(0);
 }
 
 
@@ -238,34 +220,12 @@ void ScreenSelectGroup::HandleScreenMessage( const ScreenMessage SM )
 	}
 }
 
-void ScreenSelectGroup::BeforeChange()
-{
-	int iSel = m_iSelection;
-
-	m_sprButton[iSel].BeginTweening( 0.2f );
-	m_sprButton[iSel].SetTweenX( BUTTON_X );
-	m_sprButton[iSel].SetEffectNone();
-
-	m_textLabel[iSel].BeginTweening( 0.2f );
-	m_textLabel[iSel].SetTweenX( BUTTON_X );
-	m_textLabel[iSel].SetEffectNone();
-}
-
 void ScreenSelectGroup::AfterChange()
 {
-	int iSel = m_iSelection;
+	int sel = m_GroupList.GetSelection();
+	m_MusicList.SetGroupNo(sel);
 
-	m_sprButton[iSel].BeginTweening( 0.2f );
+	CString sSelectedGroupName = m_GroupList.GetSelectionName();
-	m_sprButton[iSel].SetTweenX( BUTTON_SELECTED_X );
-	m_sprButton[iSel].SetEffectGlowing();
-
-	m_textLabel[iSel].BeginTweening( 0.2f );
-	m_textLabel[iSel].SetTweenX( BUTTON_SELECTED_X );
-	m_textLabel[iSel].SetEffectGlowing();
-
-	m_MusicList.SetGroupNo(m_iSelection);
-
-	CString sSelectedGroupName = m_asGroupNames[m_iSelection];
 
 	CString sGroupBannerPath;
 	if( 0 == stricmp(sSelectedGroupName, "ALL MUSIC") )
@@ -297,11 +257,7 @@ void ScreenSelectGroup::MenuUp( const PlayerNumber p )
 	if( m_bChosen )
 		return;
 
-	BeforeChange();
+	m_GroupList.Up();
-
-	m_iSelection = m_iSelection-1 % m_asGroupNames.GetSize();
-	if( m_iSelection < 0 )
-		m_iSelection += min( m_asGroupNames.GetSize(), MAX_GROUPS );
 
 	AfterChange();
 
@@ -314,9 +270,7 @@ void ScreenSelectGroup::MenuDown( const PlayerNumber p )
 	if( m_bChosen )
 		return;
 
-	BeforeChange();
+	m_GroupList.Down();
-
-	m_iSelection = (m_iSelection+1) % min( m_asGroupNames.GetSize(), MAX_GROUPS );
 	
 	AfterChange();
 
@@ -329,7 +283,7 @@ void ScreenSelectGroup::MenuStart( const PlayerNumber p )
 	m_bChosen = true;
 
 	GAMESTATE->m_pCurSong = NULL;
-	GAMESTATE->m_sPreferredGroup = m_asGroupNames[m_iSelection];
+	GAMESTATE->m_sPreferredGroup = m_GroupList.GetSelectionName();
 
 	if( 0 == stricmp(GAMESTATE->m_sPreferredGroup, "All Music") )
         SOUND->PlayOnceStreamedFromDir( ANNOUNCER->GetPathTo(ANNOUNCER_SELECT_GROUP_COMMENT_ALL_MUSIC) );
@@ -367,25 +321,8 @@ void ScreenSelectGroup::TweenOffScreen()
 	m_sprContents.BeginTweeningQueued( 0.5f, TWEEN_BIAS_END );
 	m_sprContents.SetTweenY( CONTENTS_Y+400 );
 	
-	
 	m_MusicList.TweenOffScreen();
-
+	m_GroupList.TweenOffScreen();
-	for( i=0; i<min(m_asGroupNames.GetSize(), MAX_GROUPS); i++ )
-	{
-		if( i == m_iSelection )
-			m_sprButton[i].BeginTweeningQueued( 1.0f, TWEEN_BOUNCE_BEGIN );
-		else
-			m_sprButton[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_BEGIN );
-		m_sprButton[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_BEGIN );
-		m_sprButton[i].SetTweenX( BUTTON_X+400 );
-
-		if( i == m_iSelection )
-			m_textLabel[i].BeginTweeningQueued( 1.0f, TWEEN_BOUNCE_BEGIN );
-		else
-			m_textLabel[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_BEGIN );
-		m_textLabel[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_BEGIN );
-		m_textLabel[i].SetTweenX( BUTTON_X+400 );
-	}
 }
 
 void ScreenSelectGroup::TweenOnScreen() 
@@ -410,17 +347,5 @@ void ScreenSelectGroup::TweenOnScreen()
 	m_sprContents.SetTweenY( CONTENTS_Y );
 
 	m_MusicList.TweenOnScreen();
-
+	m_GroupList.TweenOnScreen();
-	for( i=0; i<min(m_asGroupNames.GetSize(), MAX_GROUPS); i++ )
-	{
-		m_sprButton[i].SetX( BUTTON_X+400 );
-		m_sprButton[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_END );
-		m_sprButton[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_END );
-		m_sprButton[i].SetTweenX( BUTTON_X );
-
-		m_textLabel[i].SetX( BUTTON_X+400 );
-		m_textLabel[i].BeginTweeningQueued( 0.1f*i, TWEEN_BOUNCE_END );
-		m_textLabel[i].BeginTweeningQueued( 0.2f, TWEEN_BOUNCE_END );
-		m_textLabel[i].SetTweenX( BUTTON_X );
-	}
 }

stepmania/src/ScreenSelectGroup.h

@@ -12,15 +12,12 @@
 #include "Screen.h"
 #include "Sprite.h"
 #include "RandomSample.h"
-#include "Screen.h"
-#include "Quad.h"
 #include "MenuElements.h"
 #include "FadingBanner.h"
 #include "MusicList.h"
+#include "GroupList.h"
 
 
-const int MAX_GROUPS = 15;
-
 class ScreenSelectGroup : public Screen
 {
 public:
@@ -31,7 +28,6 @@ public:
 	virtual void Input( const DeviceInput& DeviceI, const InputEventType type, const GameInput &GameI, const MenuInput &MenuI, const StyleInput &StyleI );
 	virtual void HandleScreenMessage( const ScreenMessage SM );
 
-	void BeforeChange();
 	void AfterChange();
 
 	void MenuLeft( const PlayerNumber p );
@@ -52,16 +48,14 @@ private:
 	Sprite			m_sprFrame;
 	FadingBanner	m_Banner;
 	BitmapText		m_textNumber;
-	Sprite			m_sprButton[MAX_GROUPS];
-	BitmapText		m_textLabel[MAX_GROUPS];
 	Sprite			m_sprContents;
+	
 	MusicList		m_MusicList;
+	GroupList		m_GroupList;
 
 	RandomSample m_soundChange;
 	RandomSample m_soundSelect;
 
-	CStringArray m_asGroupNames;
-	int m_iSelection;
 	bool m_bChosen;
 };
 

stepmania/src/StepMania.dsp

@@ -636,6 +636,14 @@ SOURCE=.\GroupInfoFrame.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\GroupList.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\GroupList.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\MenuElements.cpp
 # End Source File
 # Begin Source File

stepmania/src/StepMania.vcproj

@@ -628,6 +628,12 @@
 			<File
 				RelativePath="GrooveRadar.h">
 			</File>
+			<File
+				RelativePath="GroupList.cpp">
+			</File>
+			<File
+				RelativePath="GroupList.h">
+			</File>
 			<File
 				RelativePath="GroupInfoFrame.cpp">
 			</File>