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game/client/cstrike/cs_hud_health.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+//
+// Health.cpp
+//
+// implementation of CHudHealth class
+//
+#include "cbase.h"
+#include "hud.h"
+#include "hud_macros.h"
+#include "view.h"
+
+#include "iclientmode.h"
+
+#define PAIN_NAME "sprites/%d_pain.vmt"
+
+#include <KeyValues.h>
+#include <vgui/ISurface.h>
+#include <vgui/ISystem.h>
+#include <vgui_controls/AnimationController.h>
+
+using namespace vgui;
+
+#include "hudelement.h"
+#include "hud_numericdisplay.h"
+#include "cs_gamerules.h"
+
+#include "convar.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Health panel
+//-----------------------------------------------------------------------------
+class CHudHealth : public CHudElement, public CHudNumericDisplay
+{
+	DECLARE_CLASS_SIMPLE( CHudHealth, CHudNumericDisplay );
+
+public:
+	CHudHealth( const char *pElementName );
+	virtual void Init( void );
+	virtual void VidInit( void );
+	virtual void Reset( void );
+	virtual void OnThink();
+
+	virtual void Paint( void );
+	virtual void ApplySchemeSettings( IScheme *scheme );
+
+private:
+	// old variables
+	int		m_iHealth;
+
+	int		m_bitsDamage;
+
+	CHudTexture *m_pHealthIcon;
+
+	CPanelAnimationVarAliasType( float, icon_xpos, "icon_xpos", "0", "proportional_float" );
+	CPanelAnimationVarAliasType( float, icon_ypos, "icon_ypos", "0", "proportional_float" );
+
+//	CPanelAnimationVar( Color, m_LowHealthColor, "LowHealthColor", "255 0 0 255" );
+
+	float icon_tall;
+	float icon_wide;
+
+};
+
+DECLARE_HUDELEMENT( CHudHealth );
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CHudHealth::CHudHealth( const char *pElementName ) : CHudElement( pElementName ), CHudNumericDisplay(NULL, "HudHealth")
+{
+	SetHiddenBits( HIDEHUD_HEALTH | HIDEHUD_PLAYERDEAD );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CHudHealth::Init()
+{
+	m_iHealth		= 100;
+	m_bitsDamage	= 0;
+	icon_tall		= 0;
+	icon_wide		= 0;
+	SetIndent(true);
+	SetDisplayValue(m_iHealth);
+}
+
+void CHudHealth::ApplySchemeSettings( IScheme *scheme )
+{
+	BaseClass::ApplySchemeSettings( scheme );
+
+	if( !m_pHealthIcon )
+	{
+		m_pHealthIcon = gHUD.GetIcon( "health_icon" );
+	}
+
+	if( m_pHealthIcon )
+	{
+
+		icon_tall = GetTall() - YRES(2);
+		float scale = icon_tall / (float)m_pHealthIcon->Height();
+		icon_wide = ( scale ) * (float)m_pHealthIcon->Width();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: reset health to normal color at round restart
+//-----------------------------------------------------------------------------
+void CHudHealth::Reset()
+{
+	g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("HealthRestored");
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CHudHealth::VidInit()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CHudHealth::OnThink()
+{
+	int realHealth = 0;
+	C_BasePlayer *local = C_BasePlayer::GetLocalPlayer();
+	if ( local )
+	{
+		// Never below zero
+		realHealth = MAX( local->GetHealth(), 0 );
+	}
+
+	// Only update the fade if we've changed health
+	if ( realHealth == m_iHealth )
+	{
+		return;
+	}
+
+	if( realHealth > m_iHealth)
+	{
+		// round restarted, we have 100 again
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("HealthRestored");
+	}
+	else if ( realHealth <= 25 )
+	{
+		// we are badly injured
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("HealthLow");
+	}
+	else if( realHealth < m_iHealth )
+	{
+		// took a hit
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence("HealthTookDamage");
+	}
+
+	m_iHealth = realHealth;
+
+	SetDisplayValue(m_iHealth);
+}
+
+void CHudHealth::Paint( void )
+{
+	if( m_pHealthIcon )
+	{
+		m_pHealthIcon->DrawSelf( icon_xpos, icon_ypos, icon_wide, icon_tall, GetFgColor() );
+	}
+
+	//draw the health icon
+	BaseClass::Paint();
+}