1HEADmaster

1 files changed, 790 insertions, 0 deletions

diff --git a/game/client/hud_hintdisplay.cpp b/game/client/hud_hintdisplay.cpp
new file mode 100644
index 0000000..040ce5b
--- /dev/null
+++ b/game/client/hud_hintdisplay.cpp
@@ -0,0 +1,790 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "hud.h"
+#include "hudelement.h"
+#include "hud_macros.h"
+#include "iclientmode.h"
+#include "vgui_controls/AnimationController.h"
+#include "vgui_controls/Label.h"
+#include "vgui/ILocalize.h"
+#include "vgui/ISurface.h"
+#include "text_message.h"
+#include "c_baseplayer.h"
+#include "IGameUIFuncs.h"
+#include "inputsystem/iinputsystem.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Displays hints across the center of the screen
+//-----------------------------------------------------------------------------
+class CHudHintDisplay : public vgui::Panel, public CHudElement
+{
+	DECLARE_CLASS_SIMPLE( CHudHintDisplay, vgui::Panel );
+
+public:
+	CHudHintDisplay( const char *pElementName );
+
+	void Init();
+	void Reset();
+	void MsgFunc_HintText( bf_read &msg );
+	void FireGameEvent( IGameEvent * event);
+
+	bool SetHintText( wchar_t *text );
+	void LocalizeAndDisplay( const char *pszHudTxtMsg, const char *szRawString );
+
+	virtual void PerformLayout();
+
+protected:
+	virtual void ApplySchemeSettings( vgui::IScheme *pScheme );
+	virtual void OnThink();
+
+protected:
+	vgui::HFont m_hFont;
+	Color		m_bgColor;
+	vgui::Label *m_pLabel;
+	CUtlVector<vgui::Label *> m_Labels;
+	CPanelAnimationVarAliasType( int, m_iTextX, "text_xpos", "8", "proportional_int" );
+	CPanelAnimationVarAliasType( int, m_iTextY, "text_ypos", "8", "proportional_int" );
+	CPanelAnimationVarAliasType( int, m_iCenterX, "center_x", "0", "proportional_int" );
+	CPanelAnimationVarAliasType( int, m_iCenterY, "center_y", "0", "proportional_int" );
+
+	bool		m_bLastLabelUpdateHack;
+	CPanelAnimationVar( float, m_flLabelSizePercentage, "HintSize", "0" );
+};
+
+DECLARE_HUDELEMENT( CHudHintDisplay );
+DECLARE_HUD_MESSAGE( CHudHintDisplay, HintText );
+
+#define MAX_HINT_STRINGS 5
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CHudHintDisplay::CHudHintDisplay( const char *pElementName ) : BaseClass(NULL, "HudHintDisplay"), CHudElement( pElementName )
+{
+	vgui::Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+	SetVisible( false );
+	m_pLabel = new vgui::Label( this, "HudHintDisplayLabel", "" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::Init()
+{
+	HOOK_HUD_MESSAGE( CHudHintDisplay, HintText );
+
+	// listen for client side events
+	ListenForGameEvent( "player_hintmessage" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::Reset()
+{
+	SetHintText( NULL );
+	g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HintMessageHide" ); 
+	m_bLastLabelUpdateHack = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::ApplySchemeSettings( vgui::IScheme *pScheme )
+{
+	BaseClass::ApplySchemeSettings( pScheme );
+
+	SetFgColor( GetSchemeColor("HintMessageFg", pScheme) );
+	m_hFont = pScheme->GetFont( "HudHintText", true );
+	m_pLabel->SetBgColor( GetSchemeColor("HintMessageBg", pScheme) );
+	m_pLabel->SetPaintBackgroundType( 2 );
+	m_pLabel->SetSize( 0, GetTall() );		// Start tiny, it'll grow.
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets the hint text, replacing variables as necessary
+//-----------------------------------------------------------------------------
+bool CHudHintDisplay::SetHintText( wchar_t *text )
+{
+	if ( text == NULL || text[0] == L'\0' )
+	{
+		return false;
+	}
+
+	// clear the existing text
+	for (int i = 0; i < m_Labels.Count(); i++)
+	{
+		m_Labels[i]->MarkForDeletion();
+	}
+	m_Labels.RemoveAll();
+
+	wchar_t *p = text;
+
+	while ( p )
+	{
+		wchar_t *line = p;
+		wchar_t *end = wcschr( p, L'\n' );
+		int linelengthbytes = 0;
+		if ( end )
+		{
+			//*end = 0;	//eek
+			p = end+1;
+			linelengthbytes = ( end - line ) * 2;
+		}
+		else
+		{
+			p = NULL;
+		}		
+
+		// replace any key references with bound keys
+		wchar_t buf[512];
+		UTIL_ReplaceKeyBindings( line, linelengthbytes, buf, sizeof( buf ) );
+
+		// put it in a label
+		vgui::Label *label = vgui::SETUP_PANEL(new vgui::Label(this, NULL, buf));
+		label->SetFont( m_hFont );
+		label->SetPaintBackgroundEnabled( false );
+		label->SetPaintBorderEnabled( false );
+		label->SizeToContents();
+		label->SetContentAlignment( vgui::Label::a_west );
+		label->SetFgColor( GetFgColor() );
+		m_Labels.AddToTail( vgui::SETUP_PANEL(label) );
+	}
+
+	InvalidateLayout( true );
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Resizes the label
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::PerformLayout()
+{
+	BaseClass::PerformLayout();
+	int i;
+
+	int wide, tall;
+	GetSize( wide, tall );
+
+	// find the widest line
+	int iDesiredLabelWide = 0;
+	for ( i=0; i < m_Labels.Count(); ++i )
+	{
+		iDesiredLabelWide = MAX( iDesiredLabelWide, m_Labels[i]->GetWide() );
+	}
+
+	// find the total height
+	int fontTall = vgui::surface()->GetFontTall( m_hFont );
+	int labelTall = fontTall * m_Labels.Count();
+
+	iDesiredLabelWide += m_iTextX*2;
+	labelTall += m_iTextY*2;
+
+	// Now clamp it to our animation size
+	iDesiredLabelWide = (iDesiredLabelWide * m_flLabelSizePercentage);
+
+	int x, y;
+	if ( m_iCenterX < 0 )
+	{
+		x = 0;
+	}
+	else if ( m_iCenterX > 0 )
+	{
+		x = wide - iDesiredLabelWide;
+	}
+	else
+	{
+		x = (wide - iDesiredLabelWide) / 2;
+	}
+
+	if ( m_iCenterY > 0 )
+	{
+		y = 0;
+	}
+	else if ( m_iCenterY < 0 )
+	{
+		y = tall - labelTall;
+	}
+	else
+	{
+		y = (tall - labelTall) / 2;
+	}
+
+	x = MAX(x,0);
+	y = MAX(y,0);
+
+	iDesiredLabelWide = MIN(iDesiredLabelWide,wide);
+	m_pLabel->SetBounds( x, y, iDesiredLabelWide, labelTall );
+
+	// now lay out the sub-labels
+	for ( i=0; i<m_Labels.Count(); ++i )
+	{
+		int xOffset = (wide - m_Labels[i]->GetWide()) * 0.5;
+		m_Labels[i]->SetPos( xOffset, y + m_iTextY + i*fontTall );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Updates the label color each frame
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::OnThink()
+{
+	m_pLabel->SetFgColor(GetFgColor());
+	for (int i = 0; i < m_Labels.Count(); i++)
+	{
+		m_Labels[i]->SetFgColor(GetFgColor());
+	}
+
+	// If our label size isn't at the extreme's, we're sliding open / closed
+	// This is a hack to get around InvalideLayout() not getting called when
+	// m_flLabelSizePercentage is changed via a HudAnimation.
+	if ( ( m_flLabelSizePercentage != 0.0 && m_flLabelSizePercentage != 1.0 ) || m_bLastLabelUpdateHack )
+	{
+		m_bLastLabelUpdateHack = (m_flLabelSizePercentage != 0.0 && m_flLabelSizePercentage != 1.0);
+		InvalidateLayout();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Activates the hint display
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::MsgFunc_HintText( bf_read &msg )
+{
+	// Read the string(s)
+	char szString[255];
+	msg.ReadString( szString, sizeof(szString) );
+
+	char *tmpStr = hudtextmessage->LookupString( szString, NULL );
+	LocalizeAndDisplay( tmpStr, szString );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Activates the hint display upon receiving a hint
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::FireGameEvent( IGameEvent * event)
+{
+	const char *hintmessage = event->GetString( "hintmessage" );
+	char *tmpStr = hudtextmessage->LookupString( hintmessage, NULL );
+	LocalizeAndDisplay( tmpStr, hintmessage );
+}
+
+extern ConVar sv_hudhint_sound;
+ConVar cl_hudhint_sound( "cl_hudhint_sound", "1", FCVAR_CLIENTDLL | FCVAR_ARCHIVE, "Disable hudhint sounds." );
+
+//-----------------------------------------------------------------------------
+// Purpose: Localize, display, and animate the hud element
+//-----------------------------------------------------------------------------
+void CHudHintDisplay::LocalizeAndDisplay( const char *pszHudTxtMsg, const char *szRawString )
+{
+	static wchar_t szBuf[128];
+	wchar_t *pszBuf;
+
+	// init buffers & pointers
+	szBuf[0] = 0;
+	pszBuf = szBuf;
+
+	// try to localize
+	if ( pszHudTxtMsg )
+	{
+		pszBuf = g_pVGuiLocalize->Find( pszHudTxtMsg );
+	}
+	else
+	{
+		pszBuf = g_pVGuiLocalize->Find( szRawString );
+	}
+
+	if ( !pszBuf )
+	{
+		// use plain ASCII string 
+		g_pVGuiLocalize->ConvertANSIToUnicode( szRawString, szBuf, sizeof(szBuf) );
+		pszBuf = szBuf;
+	}
+
+	// make it visible
+	if ( SetHintText( pszBuf ) )
+	{
+		SetVisible( true );
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HintMessageShow" ); 
+
+		C_BasePlayer *pLocalPlayer = C_BasePlayer::GetLocalPlayer();
+		if ( pLocalPlayer )
+		{
+#ifndef HL2MP
+			if ( sv_hudhint_sound.GetBool() && cl_hudhint_sound.GetBool() )
+			{
+				pLocalPlayer->EmitSound( "Hud.Hint" );
+			}
+#endif // HL2MP
+
+			if ( pLocalPlayer->Hints() )
+			{
+				pLocalPlayer->Hints()->PlayedAHint();
+			}
+		}
+	}
+	else
+	{
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HintMessageHide" ); 
+	}
+}
+
+
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Displays small key-centric hints on the right hand side of the screen
+//-----------------------------------------------------------------------------
+class CHudHintKeyDisplay : public vgui::Panel, public CHudElement
+{
+	DECLARE_CLASS_SIMPLE( CHudHintKeyDisplay, vgui::Panel );
+
+public:
+	CHudHintKeyDisplay( const char *pElementName );
+	void Init();
+	void Reset();
+	void MsgFunc_KeyHintText( bf_read &msg );
+	bool ShouldDraw();
+
+	bool SetHintText( const char *text );
+
+protected:
+	virtual void ApplySchemeSettings( vgui::IScheme *pScheme );
+	virtual void OnThink();
+
+private:
+	CUtlVector<vgui::Label *> m_Labels;
+	vgui::HFont m_hSmallFont, m_hLargeFont;
+	int		m_iBaseY;
+
+	CPanelAnimationVarAliasType( float, m_iTextX, "text_xpos", "8", "proportional_float" );
+	CPanelAnimationVarAliasType( float, m_iTextY, "text_ypos", "8", "proportional_float" );
+	CPanelAnimationVarAliasType( float, m_iTextGapX, "text_xgap", "8", "proportional_float" );
+	CPanelAnimationVarAliasType( float, m_iTextGapY, "text_ygap", "8", "proportional_float" );
+	CPanelAnimationVarAliasType( float, m_iYOffset, "YOffset", "0", "proportional_float" );
+};
+
+DECLARE_HUDELEMENT( CHudHintKeyDisplay );
+DECLARE_HUD_MESSAGE( CHudHintKeyDisplay, KeyHintText );
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CHudHintKeyDisplay::CHudHintKeyDisplay( const char *pElementName ) : BaseClass(NULL, "HudHintKeyDisplay"), CHudElement( pElementName )
+{
+	vgui::Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+	SetVisible( false );
+	SetAlpha( 0 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHintKeyDisplay::Init()
+{
+	HOOK_HUD_MESSAGE( CHudHintKeyDisplay, KeyHintText );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHintKeyDisplay::Reset()
+{
+	SetHintText( NULL );
+	SetAlpha( 0 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHintKeyDisplay::ApplySchemeSettings( vgui::IScheme *pScheme )
+{
+	m_hSmallFont = pScheme->GetFont( "HudHintTextSmall", true );
+	m_hLargeFont = pScheme->GetFont( "HudHintTextLarge", true );
+
+	BaseClass::ApplySchemeSettings( pScheme );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Save CPU cycles by letting the HUD system early cull
+// costly traversal.  Called per frame, return true if thinking and 
+// painting need to occur.
+//-----------------------------------------------------------------------------
+bool CHudHintKeyDisplay::ShouldDraw( void )
+{
+	return ( ( GetAlpha() > 0 ) && CHudElement::ShouldDraw() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Updates the label color each frame
+//-----------------------------------------------------------------------------
+void CHudHintKeyDisplay::OnThink()
+{
+	for (int i = 0; i < m_Labels.Count(); i++)
+	{
+		if ( IsX360() && ( i & 1 ) == 0 )
+		{
+			// Don't change the fg color for buttons (even numbered labels)
+			m_Labels[i]->SetAlpha( GetFgColor().a() );
+		}
+		else
+		{
+			m_Labels[i]->SetFgColor(GetFgColor());
+		}
+	}
+
+	int ox, oy;
+	GetPos(ox, oy);
+	SetPos( ox, m_iBaseY + m_iYOffset );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets the hint text, replacing variables as necessary
+//-----------------------------------------------------------------------------
+bool CHudHintKeyDisplay::SetHintText( const char *text )
+{
+	if ( text == NULL || text[0] == L'\0' )
+		return false;
+
+	// clear the existing text
+	for (int i = 0; i < m_Labels.Count(); i++)
+	{
+		m_Labels[i]->MarkForDeletion();
+	}
+	m_Labels.RemoveAll();
+
+	// look up the text string
+	wchar_t *ws = g_pVGuiLocalize->Find( text );
+
+	wchar_t wszBuf[256];
+	if ( !ws || wcslen(ws) <= 0)
+	{
+		if (text[0] == '#')
+		{
+			// We don't want to display a localization placeholder, do we?
+			return false;
+		}
+		// use plain ASCII string 
+		g_pVGuiLocalize->ConvertANSIToUnicode(text, wszBuf, sizeof(wszBuf));
+		ws = wszBuf;
+	}
+
+	// parse out the text into a label set
+	while ( *ws )
+	{
+		wchar_t token[256];
+		bool isVar = false;
+
+		// check for variables
+		if ( *ws == '%' )
+		{
+			isVar = true;
+			++ws;
+		}
+
+		// parse out the string
+		wchar_t *end = wcschr( ws, '%' );
+		if ( end )
+		{
+			wcsncpy( token, ws, MIN( end - ws, ARRAYSIZE(token)) );
+			token[end - ws] = L'\0';	// force null termination
+		}
+		else
+		{
+			wcsncpy( token, ws, ARRAYSIZE(token) );
+			token[ ARRAYSIZE(token) - 1 ] = L'\0';	// force null termination
+		}
+
+		ws += wcslen( token );
+		if ( isVar )
+		{
+			// move over the end of the variable
+			++ws; 
+		}
+
+		// put it in a label
+		vgui::Label *label = vgui::SETUP_PANEL(new vgui::Label(this, NULL, token));
+
+		bool bIsBitmap = false;
+
+		// modify the label if necessary
+		if ( isVar )
+		{
+			label->SetFont( m_hLargeFont );
+
+			// lookup key names
+			char binding[64];
+			g_pVGuiLocalize->ConvertUnicodeToANSI( token, binding, sizeof(binding) );
+
+			//!! change some key names into better names
+			char friendlyName[64];
+
+			if ( IsX360() )
+			{
+				int iNumBinds = 0;
+
+				char szBuff[ 512 ];
+				wchar_t szWideBuff[ 64 ];
+
+				for ( int iCode = 0; iCode < BUTTON_CODE_LAST; ++iCode )
+				{
+					ButtonCode_t code = static_cast<ButtonCode_t>( iCode );
+
+					bool bUseThisKey = false;
+
+					// Only check against bind name if we haven't already forced this binding to be used
+					const char *pBinding = gameuifuncs->GetBindingForButtonCode( code );
+
+					if ( !pBinding )
+						continue;
+
+					bUseThisKey = ( Q_stricmp( pBinding, binding ) == 0 );
+
+					if ( !bUseThisKey && 
+						( Q_stricmp( pBinding, "+duck" ) == 0 || Q_stricmp( pBinding, "toggle_duck" ) == 0 ) && 
+						( Q_stricmp( binding, "+duck" ) == 0 || Q_stricmp( binding, "toggle_duck" ) == 0 ) )
+					{
+						// +duck and toggle_duck are interchangable
+						bUseThisKey = true;
+					}
+
+					if ( !bUseThisKey && 
+						( Q_stricmp( pBinding, "+zoom" ) == 0 || Q_stricmp( pBinding, "toggle_zoom" ) == 0 ) && 
+						( Q_stricmp( binding, "+zoom" ) == 0 || Q_stricmp( binding, "toggle_zoom" ) == 0 ) )
+					{
+						// +zoom and toggle_zoom are interchangable
+						bUseThisKey = true;
+					}
+
+					// Don't use this bind in out list
+					if ( !bUseThisKey )
+						continue;
+
+					// Turn localized string into icon character
+					Q_snprintf( szBuff, sizeof( szBuff ), "#GameUI_Icons_%s", g_pInputSystem->ButtonCodeToString( static_cast<ButtonCode_t>( iCode ) ) );
+					g_pVGuiLocalize->ConstructString_safe( szWideBuff, g_pVGuiLocalize->Find( szBuff ), 0 );
+					g_pVGuiLocalize->ConvertUnicodeToANSI( szWideBuff, szBuff, sizeof( szBuff ) );
+
+					// Add this icon to our list of keys to display
+					friendlyName[ iNumBinds ] = szBuff[ 0 ];
+					++iNumBinds;
+				}
+
+				friendlyName[ iNumBinds ] = '\0';
+
+				if ( iNumBinds == 0 )
+				{
+					friendlyName[ 0 ] = '\0';
+					label->SetFont( m_hSmallFont );
+					label->SetText( "#GameUI_Icons_NONE" );
+				}
+				else
+				{
+					// 360 always uses bitmaps
+					bIsBitmap = true;
+					label->SetText( friendlyName );
+				}
+			}
+			else
+			{
+				const char *key = engine->Key_LookupBinding( *binding == '+' ? binding + 1 : binding );
+				if ( !key )
+				{
+					key = "< not bound >";
+				}
+
+				Q_snprintf( friendlyName, sizeof(friendlyName), "#%s", key );
+				Q_strupr( friendlyName );
+
+				// set the variable text - key may need to be localized (button images for example)
+				wchar_t *locName = g_pVGuiLocalize->Find( friendlyName );
+				if ( !locName || wcslen(locName) <= 0)
+				{
+					label->SetText( friendlyName + 1 );
+				}
+				else
+				{
+					// Assuming localized vars must be using a bitmap image. *May* not be the case, but since
+					// keyboard bindings have never been localized in the past, they probably won't in the future either.
+					bIsBitmap = true;
+					label->SetText( locName );
+				}
+			}
+		}
+		else
+		{
+			label->SetFont( m_hSmallFont );
+		}
+
+		label->SetPaintBackgroundEnabled( false );
+		label->SetPaintBorderEnabled( false );
+		label->SizeToContents();
+		label->SetContentAlignment( vgui::Label::a_west );
+		if ( bIsBitmap && isVar )
+		{
+			// Don't change the color of the button art
+			label->SetFgColor( Color(255,255,255,255) );
+		}
+		else
+		{
+			label->SetFgColor( GetFgColor() );
+		}
+		m_Labels.AddToTail( vgui::SETUP_PANEL(label) );
+	}
+
+// Enable this small block of code to test formatting and layout of hint messages
+// with varying numbers of lines
+#define TEST_KEYHINT_DISPLAY 0
+#if TEST_KEYHINT_DISPLAY
+
+	// clear the existing text
+	for (int i = 0; i < m_Labels.Count(); i++)
+	{
+		m_Labels[i]->MarkForDeletion();
+	}
+	m_Labels.RemoveAll();
+
+	const char* sampleText[] = 
+	{
+		"This is a test",
+		"of the hint system\nwith a multi-line hint",
+		"that\ngoes\non\nfor",
+		"several",
+		"lines"
+	};
+
+	for ( int i = 0; i < ARRAYSIZE(sampleText); ++i)
+	{
+		// put it in a label
+		vgui::Label *label = vgui::SETUP_PANEL(new vgui::Label(this, NULL, sampleText[i]));
+
+		label->SetFont( m_hSmallFont );
+		label->SetPaintBackgroundEnabled( false );
+		label->SetPaintBorderEnabled( false );
+		label->SizeToContents();
+		label->SetContentAlignment( vgui::Label::a_west );
+		label->SetFgColor( GetFgColor() );
+		m_Labels.AddToTail( vgui::SETUP_PANEL(label) );
+	}
+#endif
+
+	// find the bounds we need to show
+	int widest1 = 0, widest2 = 0;
+	for (int i = 0; i < m_Labels.Count(); i++)
+	{
+		vgui::Label *label = m_Labels[i];
+
+		if (i & 1)
+		{
+			// help text
+			if (label->GetWide() > widest2)
+			{
+				widest2 = label->GetWide();
+			}
+		}
+		else
+		{
+			// variable
+			if (label->GetWide() > widest1)
+			{
+				widest1 = label->GetWide();
+			}
+		}
+	}
+
+	// position the labels
+	int col1_x = m_iTextX;
+	int col2_x = m_iTextX + widest1 + m_iTextGapX;
+	int col_y = m_iTextY;
+
+	for (int i = 0; i < m_Labels.Count(); i += 2)
+	{
+		int rowHeight = 0;
+		vgui::Label *label0 = m_Labels[i];
+		int tall0 = label0->GetTall();
+		rowHeight = tall0;
+
+		if (i + 1 < m_Labels.Count())
+		{
+			vgui::Label *label1 = m_Labels[i + 1];
+			int tall1 = label1->GetTall();
+			rowHeight = MAX(tall0, tall1);
+			label1->SetPos( col2_x, col_y + (rowHeight - tall1) / 2 );
+		}
+
+		label0->SetPos( col1_x, col_y + (rowHeight - tall0) / 2 );
+
+		col_y += rowHeight + m_iTextGapY;
+	}
+
+	// move ourselves relative to our start position
+	int newWide = m_iTextX + col2_x + widest2;
+	int newTall = col_y;
+	int ox, oy;
+	GetPos(ox, oy);
+
+	if (IsRightAligned())
+	{
+		int oldWide = GetWide();
+		int diff = newWide - oldWide;
+		ox -= diff;
+	}
+
+	if (IsBottomAligned())
+	{
+		int oldTall = GetTall();
+		int diff = newTall - oldTall;
+		oy -= diff;
+	}
+
+	// set the size of the hint panel to fit
+ 	SetPos( ox, oy );
+ 	SetSize( newWide, newTall );
+
+	m_iBaseY = oy;
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Activates the hint display
+//-----------------------------------------------------------------------------
+void CHudHintKeyDisplay::MsgFunc_KeyHintText( bf_read &msg )
+{
+	// how many strings do we receive ?
+	int count = msg.ReadByte();
+
+	// here we expect only one string
+	if ( count != 1 )
+	{
+		DevMsg("CHudHintKeyDisplay::MsgFunc_KeyHintText: string count != 1.\n");
+		return;
+	}
+
+	// read the string
+	char szString[2048];
+	msg.ReadString( szString, sizeof(szString) );
+
+	// make it visible
+	if ( SetHintText( szString ) )
+	{
+		SetVisible( true );
+ 		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "KeyHintMessageShow" ); 
+	}
+	else
+	{
+		// it's being cleared, hide the panel
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "KeyHintMessageHide" ); 
+	}
+}