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game/client/vgui_debugoverlaypanel.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "idebugoverlaypanel.h"
+#include "overlaytext.h"
+#include <vgui/IVGui.h>
+#include "engine/ivdebugoverlay.h"
+#include "VGuiMatSurface/IMatSystemSurface.h"
+#include <vgui_controls/Panel.h>
+#include <vgui_controls/Controls.h>
+#include <vgui/IScheme.h>
+#include "ienginevgui.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+class CDebugOverlay : public vgui::Panel
+{
+	typedef vgui::Panel BaseClass;
+
+public:
+	CDebugOverlay( vgui::VPANEL parent );
+	virtual ~CDebugOverlay( void );
+
+	virtual void ApplySchemeSettings(vgui::IScheme *pScheme);
+	virtual void Paint();
+	virtual void OnTick( void );
+
+	virtual bool ShouldDraw( void );
+
+private:
+	vgui::HFont			m_hFont;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Instances the overlay object
+// Input  : *parent - 
+//-----------------------------------------------------------------------------
+CDebugOverlay::CDebugOverlay( vgui::VPANEL parent ) :
+	BaseClass( NULL, "CDebugOverlay" )
+{
+	int w, h;
+	vgui::surface()->GetScreenSize( w, h );
+	SetParent( parent );
+	SetSize( w, h );
+	SetPos( 0, 0 );
+	SetVisible( false );
+	SetCursor( null );
+
+	m_hFont = 0;
+	SetFgColor( Color( 0, 0, 0, 0 ) );
+	SetPaintBackgroundEnabled( false );
+
+	// set the scheme before any child control is created
+	vgui::HScheme scheme = vgui::scheme()->LoadSchemeFromFileEx( enginevgui->GetPanel( PANEL_CLIENTDLL_TOOLS ), "resource/ClientScheme.res", "Client");
+	SetScheme( scheme );
+	
+	vgui::ivgui()->AddTickSignal( GetVPanel(), 250 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CDebugOverlay::~CDebugOverlay( void )
+{
+}
+
+void CDebugOverlay::ApplySchemeSettings(vgui::IScheme *pScheme)
+{
+	BaseClass::ApplySchemeSettings(pScheme);
+
+	// Use a large font
+//	m_hFont = pScheme->GetFont( "Default" );
+	m_hFont = pScheme->GetFont( "DebugOverlay" );
+	assert( m_hFont );
+
+	int w, h;
+	vgui::surface()->GetScreenSize( w, h );
+	SetSize( w, h );
+	SetPos( 0, 0 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CDebugOverlay::OnTick( void )
+{
+	bool bVisible = ShouldDraw();
+	if ( IsVisible() != bVisible )
+	{
+		SetVisible( bVisible );
+	}
+}
+
+bool CDebugOverlay::ShouldDraw( void )
+{
+	if ( debugoverlay && debugoverlay->GetFirst() )
+		return true;
+	return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Paints the 2D overlay items to the screen
+//-----------------------------------------------------------------------------
+void CDebugOverlay::Paint()
+{
+	if (!debugoverlay)
+		return;
+
+	OverlayText_t* pCurrText = debugoverlay->GetFirst();
+	while (pCurrText) 
+	{
+		if ( pCurrText->text != NULL ) 
+		{
+			// --------------
+			// Draw the text
+			// --------------
+			int r = pCurrText->r;
+			int g = pCurrText->g;
+			int b = pCurrText->b;
+			int a = pCurrText->a;
+			Vector screenPos;
+
+			if (pCurrText->bUseOrigin)
+			{
+				if (!debugoverlay->ScreenPosition( pCurrText->origin, screenPos )) 
+				{
+					float xPos		= screenPos[0];
+					float yPos		= screenPos[1]+ (pCurrText->lineOffset*13); // Line spacing;
+					g_pMatSystemSurface->DrawColoredText( m_hFont, xPos, yPos, r, g, b, a, "%s", pCurrText->text );
+				}
+			}
+			else
+			{
+				if (!debugoverlay->ScreenPosition( pCurrText->flXPos,pCurrText->flYPos, screenPos )) 
+				{	
+					float xPos		= screenPos[0];
+					float yPos		= screenPos[1]+ (pCurrText->lineOffset*13); // Line spacing;
+					g_pMatSystemSurface->DrawColoredText( m_hFont, xPos, yPos, r, g, b, a, "%s", pCurrText->text );
+				}
+			}
+		}
+		pCurrText = debugoverlay->GetNext( pCurrText );
+	}
+
+	debugoverlay->ClearDeadOverlays();
+}
+
+class CDebugOverlayPanel : public IDebugOverlayPanel
+{
+private:
+	CDebugOverlay *debugOverlayPanel;
+public:
+	CDebugOverlayPanel( void )
+	{
+		debugOverlayPanel = NULL;
+	}
+	void Create( vgui::VPANEL parent )
+	{
+		debugOverlayPanel = new CDebugOverlay( parent );
+	}
+	void Destroy( void )
+	{
+		if ( debugOverlayPanel )
+		{
+			debugOverlayPanel->SetParent( (vgui::Panel *)NULL );
+			debugOverlayPanel->MarkForDeletion();
+			debugOverlayPanel = NULL;
+		}
+	}
+};
+
+static CDebugOverlayPanel g_DebugOverlay;
+IDebugOverlayPanel *debugoverlaypanel =  ( IDebugOverlayPanel * )&g_DebugOverlay;
+
+
+void DebugDrawLine( const Vector& vecAbsStart, const Vector& vecAbsEnd, int r, int g, int b, bool test, float duration )
+{
+	if ( debugoverlay )
+	{
+		debugoverlay->AddLineOverlay( vecAbsStart + Vector( 0,0,0.1), vecAbsEnd + Vector( 0,0,0.1), r,g,b, test, duration );
+	}
+}