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game/client/tf/tf_hud_health.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Implementation of CHudHealth class.
+//
+//=============================================================================//
+#include "cbase.h"
+#include "hud.h"
+#include "hud_macros.h"
+#include "view.h"
+
+#include "iclientmode.h"
+
+#include <KeyValues.h>
+#include <vgui/ISurface.h>
+#include <vgui/ISystem.h>
+#include <vgui_controls/AnimationController.h>
+#include <vgui_controls/Panel.h>
+
+using namespace vgui;
+
+#include "hudelement.h"
+#include "hud_numericdisplay.h"
+#include "ConVar.h"
+#include "c_tf_player.h"
+
+//=============================================================================
+//
+// TF Health Hud
+//
+class CHudHealth : public CHudElement, public CHudNumericDisplay
+{
+	DECLARE_CLASS_SIMPLE( CHudHealth, CHudNumericDisplay );
+
+public:
+
+	CHudHealth( const char *pElementName );
+	virtual void Init( void );
+	virtual void ApplySchemeSettings( IScheme *scheme );
+	virtual void Reset( void );
+
+	virtual void OnThink();
+
+	virtual bool ShouldDraw();	
+	virtual void Paint( void );
+
+private:
+
+	int				m_nHealth;
+
+	CHudTexture		*m_pHealthIcon;
+	float			m_flHealthIconWidth;
+	float			m_flHealthIconHeight;
+
+	CPanelAnimationVar( vgui::HFont, m_hHealthFont, "NumberFont", "HudNumbers" );
+	CPanelAnimationVarAliasType( float, health_xpos, "digit_xpos", "50", "proportional_float" );
+	CPanelAnimationVarAliasType( float, health_ypos, "digit_ypos", "2", "proportional_float" );
+};	
+
+DECLARE_HUDELEMENT( CHudHealth );
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CHudHealth::CHudHealth( const char *pElementName ) : CHudElement( pElementName ), CHudNumericDisplay( NULL, "HudHealth" )
+{
+	m_nHealth = 0;
+
+	m_pHealthIcon = NULL;
+	m_flHealthIconHeight = 0;
+	m_flHealthIconWidth	= 0;
+
+	SetHiddenBits( HIDEHUD_HEALTH | HIDEHUD_PLAYERDEAD );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHealth::Init()
+{
+	C_TFPlayer *pTFPlayer = ToTFPlayer( C_BasePlayer::GetLocalPlayer() );
+	if ( !pTFPlayer )
+		return;
+
+	m_nHealth = pTFPlayer->GetHealth();
+	SetDisplayValue( m_nHealth );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHealth::ApplySchemeSettings( IScheme *scheme )
+{
+	// Fall back to base.
+	BaseClass::ApplySchemeSettings( scheme );
+
+	// Setup the health icon.
+	if( !m_pHealthIcon )
+	{
+		m_pHealthIcon = gHUD.GetIcon( "health_icon" );
+	}	
+
+	if( m_pHealthIcon )
+	{
+		m_flHealthIconHeight = GetTall() - YRES( 2 );
+		float flScale = m_flHealthIconHeight / static_cast<float>( m_pHealthIcon->Height() );
+		m_flHealthIconWidth = flScale * static_cast<float>( m_pHealthIcon->Width() );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: reset health to normal color at round restart
+//-----------------------------------------------------------------------------
+void CHudHealth::Reset()
+{
+	g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HealthRestored" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHealth::OnThink()
+{
+	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
+	if ( !pPlayer )
+		return; 
+
+	// Never below zero.
+	int nHealth = MAX( pPlayer->GetHealth(), 0 );
+
+	// Only update the fade if we've changed health
+	if ( nHealth == m_nHealth )
+		return;
+
+	// We are badly injured.
+	if ( nHealth <= 25 )
+	{
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HealthLow" );
+	}
+	// Got hit.
+	else if( nHealth < m_nHealth )
+	{
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HealthTookDamage" );
+	}
+	// Gained health.
+	else if( nHealth > m_nHealth )
+	{
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "HealthRestored" );
+	}
+
+	m_nHealth = nHealth;
+//	SetDisplayValue( m_nHealth );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CHudHealth::ShouldDraw()
+{
+	C_TFPlayer *pTFPlayer = ToTFPlayer( C_BasePlayer::GetLocalPlayer() );
+	if ( !pTFPlayer )
+		return false;
+
+	return !pTFPlayer->IsObserver();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudHealth::Paint( void )
+{
+	C_TFPlayer *pTFPlayer = ToTFPlayer( C_BasePlayer::GetLocalPlayer() );
+	if ( !pTFPlayer )
+		return;
+
+	// Get the team color.
+	Color teamColor;
+	pTFPlayer->GetTeamColor( teamColor );
+
+	// Draw the health icon.
+	if( m_pHealthIcon )
+	{
+		m_pHealthIcon->DrawSelf( 0, 2, m_flHealthIconWidth, m_flHealthIconHeight, teamColor );
+	}
+
+	// Primary grenade count.
+	vgui::surface()->DrawSetTextColor( teamColor );
+	PaintNumbers( m_hHealthFont, health_xpos, health_ypos, m_nHealth );
+
+	PaintLabel();
+}
+
+//=============================================================================
+//
+// TF Armor Hud
+//
+class CHudArmor : public CHudElement, public CHudNumericDisplay
+{
+public:
+
+	DECLARE_CLASS_SIMPLE( CHudArmor, CHudNumericDisplay );
+
+	CHudArmor( const char *pName );
+	virtual void Init();
+	virtual void ApplySchemeSettings( IScheme *scheme );
+
+	virtual void OnThink();
+
+	virtual bool ShouldDraw();	
+	virtual void Paint();
+
+private:
+
+	int				m_nArmor;
+
+	CHudTexture		*m_pArmorIcon;
+	float			m_flArmorIconWidth;
+	float			m_flArmorIconHeight;
+};
+
+
+DECLARE_HUDELEMENT( CHudArmor );
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor.
+//-----------------------------------------------------------------------------
+CHudArmor::CHudArmor( const char *pName ) : CHudNumericDisplay( NULL, "HudArmor" ), CHudElement( pName )
+{
+	m_nArmor = 0;
+
+	m_pArmorIcon = NULL;
+	m_flArmorIconHeight = 0;
+	m_flArmorIconWidth = 0;
+
+	SetHiddenBits( HIDEHUD_HEALTH | HIDEHUD_PLAYERDEAD );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CHudArmor::Init()
+{
+	C_TFPlayer *pTFPlayer = ToTFPlayer( C_BasePlayer::GetLocalPlayer() );
+	if ( !pTFPlayer )
+		return;
+
+	m_nArmor = pTFPlayer->ArmorValue();
+	SetDisplayValue( m_nArmor );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CHudArmor::ApplySchemeSettings( IScheme *scheme )
+{
+	// Fall back to base.
+	BaseClass::ApplySchemeSettings( scheme );
+
+	// Setup the health icon.
+	if( !m_pArmorIcon )
+	{
+		m_pArmorIcon = gHUD.GetIcon( "shield_bright" );
+	}	
+
+	if( m_pArmorIcon )
+	{
+		m_flArmorIconHeight = GetTall() - YRES( 2 );
+		float flScale = m_flArmorIconHeight / static_cast<float>( m_pArmorIcon->Height() );
+		m_flArmorIconWidth = flScale * static_cast<float>( m_pArmorIcon->Width() );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CHudArmor::OnThink()
+{
+	C_TFPlayer *pTFPlayer = ToTFPlayer( C_BasePlayer::GetLocalPlayer() );
+	if ( !pTFPlayer )
+		return;
+
+	m_nArmor = pTFPlayer->ArmorValue();
+	SetDisplayValue( m_nArmor );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+bool CHudArmor::ShouldDraw()
+{
+	C_TFPlayer *pTFPlayer = ToTFPlayer( C_BasePlayer::GetLocalPlayer() );
+	if ( !pTFPlayer )
+		return false;
+
+	// Running the experiment - no armor!
+	return ( pTFPlayer->ArmorValue() != 0 );
+
+	return !pTFPlayer->IsObserver();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CHudArmor::Paint()
+{
+	// Draw the armor icon.
+	if( m_pArmorIcon )
+	{
+		m_pArmorIcon->DrawSelf( 0, 2, m_flArmorIconWidth, m_flArmorIconHeight, GetFgColor() );
+	}
+
+	// Base class paint.
+	BaseClass::Paint();
+}