Added original SDK code for Alien Swarm.

game/client/hud_bitmapnumericdisplay.cpp

@@ -0,0 +1,168 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "hud_bitmapnumericdisplay.h"
+#include "iclientmode.h"
+
+#include <Color.h>
+#include <KeyValues.h>
+#include <vgui/ISurface.h>
+#include <vgui/ISystem.h>
+#include <vgui/IVGui.h>
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+using namespace vgui;
+
+//-----------------------------------------------------------------------------
+// Purpose: constructor
+//-----------------------------------------------------------------------------
+CHudBitmapNumericDisplay::CHudBitmapNumericDisplay(vgui::Panel *parent, const char *name) : vgui::Panel(parent, name)
+{
+	vgui::Panel *pParent = GetClientMode()->GetViewport();
+	SetParent( pParent );
+
+	m_iValue = 0;
+	m_bDisplayValue = true;
+	memset( m_pNumbers, 0, 10*sizeof(CHudTexture *) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: data accessor
+//-----------------------------------------------------------------------------
+void CHudBitmapNumericDisplay::SetDisplayValue(int value)
+{
+	m_iValue = value;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: renders the vgui panel
+//-----------------------------------------------------------------------------
+void CHudBitmapNumericDisplay::Paint()
+{
+	float alpha = m_flAlphaOverride / 255;
+	Color fgColor = GetFgColor();
+	fgColor[3] *= alpha;
+	SetFgColor( fgColor );
+
+	if (m_bDisplayValue)
+	{
+		// draw our numbers
+	//	surface()->DrawSetTextColor(GetFgColor());
+		PaintNumbers(digit_xpos, digit_ypos, m_iValue, GetFgColor());
+
+		// draw the overbright blur
+		for (float fl = m_flBlur; fl > 0.0f; fl -= 1.0f)
+		{
+			if (fl >= 1.0f)
+			{
+				PaintNumbers(digit_xpos, digit_ypos, m_iValue, GetFgColor());
+			}
+			else
+			{
+				// draw a percentage of the last one
+				Color col = GetFgColor();
+				col[3] *= fl;
+				PaintNumbers(digit_xpos, digit_ypos, m_iValue, col);
+			}
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: data accessor
+//-----------------------------------------------------------------------------
+void CHudBitmapNumericDisplay::SetShouldDisplayValue(bool state)
+{
+	m_bDisplayValue = state;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudBitmapNumericDisplay::PaintBackground( void )
+{
+	int alpha = m_flAlphaOverride / 255;
+	Color bgColor = GetBgColor();
+	bgColor[3] *= alpha;
+	SetBgColor( bgColor );
+
+	BaseClass::PaintBackground();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudBitmapNumericDisplay::PaintNumbers(int xpos, int ypos, int value, Color col, int numSigDigits )
+{
+	if( !m_pNumbers[0] )
+	{
+		int i;
+		char a[16];
+
+		for( i=0;i<10;i++ )
+		{
+			sprintf( a, "number_%d", i );
+
+			m_pNumbers[i] = HudIcons().GetIcon( a );
+		}
+
+		if( !m_pNumbers[0] )
+			return;
+	}
+
+	if( value > 100000 )
+	{
+		value = 99999;
+	}
+
+	int pos = 10000;
+
+	float scale = ( digit_height / (float)m_pNumbers[0]->Height());
+
+	int digit;
+	Color color = GetFgColor();
+	int width = m_pNumbers[0]->Width() * scale;
+	int height = m_pNumbers[0]->Height() * scale;
+	bool bStart = false;
+
+	//right align to xpos
+
+	int numdigits = 1;
+
+	int x = pos;
+	while( x >= 10 )
+	{
+		if( value >= x )
+			numdigits++;
+
+		x /= 10;
+	}
+
+	if( numdigits < numSigDigits )
+		numdigits = numSigDigits;
+
+	xpos -= numdigits * width;
+
+	//draw the digits
+	while( pos >= 1 )
+	{
+		digit = value / pos;
+		value = value % pos;
+		
+		if( bStart || digit > 0 || pos <= pow(10.0f,numSigDigits-1) )
+		{
+			bStart = true;
+			m_pNumbers[digit]->DrawSelf( xpos, ypos, width, height, col );
+			xpos += width;
+		}		
+
+		pos /= 10;
+	}
+}