1

game/client/hl2/hud_poisondamageindicator.cpp

@@ -0,0 +1,155 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "hud.h"
+#include "text_message.h"
+#include "hud_macros.h"
+#include "iclientmode.h"
+#include "view.h"
+#include "KeyValues.h"
+#include "vgui_controls/AnimationController.h"
+#include "vgui/ILocalize.h"
+#include "vgui/ISurface.h"
+#include "VGuiMatSurface/IMatSystemSurface.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imesh.h"
+#include "materialsystem/imaterialvar.h"
+#include "IEffects.h"
+#include "hudelement.h"
+
+using namespace vgui;
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: HDU Damage indication
+//-----------------------------------------------------------------------------
+class CHudPoisonDamageIndicator : public CHudElement, public vgui::Panel
+{
+	DECLARE_CLASS_SIMPLE( CHudPoisonDamageIndicator, vgui::Panel );
+
+public:
+	CHudPoisonDamageIndicator( const char *pElementName );
+	void Reset( void );
+	virtual bool ShouldDraw( void );
+
+private:
+	virtual void OnThink();
+	virtual void Paint();
+	virtual void ApplySchemeSettings(vgui::IScheme *pScheme);
+
+private:
+	CPanelAnimationVar( vgui::HFont, m_hTextFont, "TextFont", "Default" );
+	CPanelAnimationVar( Color, m_TextColor, "TextColor", "FgColor" );
+	CPanelAnimationVarAliasType( float, text_xpos, "text_xpos", "8", "proportional_float" );
+	CPanelAnimationVarAliasType( float, text_ypos, "text_ypos", "8", "proportional_float" );
+	CPanelAnimationVarAliasType( float, text_ygap, "text_ygap", "14", "proportional_float" );
+
+	bool m_bDamageIndicatorVisible;
+};
+
+DECLARE_HUDELEMENT( CHudPoisonDamageIndicator );
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CHudPoisonDamageIndicator::CHudPoisonDamageIndicator( const char *pElementName ) : CHudElement( pElementName ), BaseClass(NULL, "HudPoisonDamageIndicator")
+{
+	vgui::Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+	
+	SetHiddenBits( HIDEHUD_HEALTH | HIDEHUD_PLAYERDEAD | HIDEHUD_NEEDSUIT );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudPoisonDamageIndicator::Reset( void )
+{
+	SetAlpha( 0 );
+	m_bDamageIndicatorVisible = false;
+}
+
+//-----------------------------------------------------------------------------
+// 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 CHudPoisonDamageIndicator::ShouldDraw( void )
+{
+	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
+	if ( !pPlayer )
+		return false;
+
+	bool bNeedsDraw = ( ( pPlayer->IsPoisoned() != m_bDamageIndicatorVisible ) || ( GetAlpha() > 0 ) );
+
+	return ( bNeedsDraw && CHudElement::ShouldDraw() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: updates poison damage
+//-----------------------------------------------------------------------------
+void CHudPoisonDamageIndicator::OnThink()
+{
+	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
+	if ( !pPlayer )
+		return;
+
+	// update poison damage indicator
+	bool bShouldIndicatorBeVisible = pPlayer->IsPoisoned();
+	if (bShouldIndicatorBeVisible == m_bDamageIndicatorVisible)
+		return;
+
+	// state change
+	m_bDamageIndicatorVisible = bShouldIndicatorBeVisible;
+
+	if (m_bDamageIndicatorVisible)
+	{
+		SetVisible(true);
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "PoisonDamageTaken" );
+	}
+	else
+	{
+		g_pClientMode->GetViewportAnimationController()->StartAnimationSequence( "PoisonDamageCured" );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Paints the damage display
+//-----------------------------------------------------------------------------
+void CHudPoisonDamageIndicator::Paint()
+{
+	// draw the text
+	surface()->DrawSetTextFont( m_hTextFont );
+	surface()->DrawSetTextColor( m_TextColor );
+	surface()->DrawSetTextPos(text_xpos, text_ypos);
+	int ypos = text_ypos;
+
+	const wchar_t *labelText = g_pVGuiLocalize->Find("Valve_HudPoisonDamage");
+	Assert( labelText );
+	for (const wchar_t *wch = labelText; wch && *wch != 0; wch++)
+	{
+		if (*wch == '\n')
+		{
+			ypos += text_ygap;
+			surface()->DrawSetTextPos(text_xpos, ypos);
+		}
+		else
+		{
+			surface()->DrawUnicodeChar(*wch);
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: hud scheme settings
+//-----------------------------------------------------------------------------
+void CHudPoisonDamageIndicator::ApplySchemeSettings(vgui::IScheme *pScheme)
+{
+	BaseClass::ApplySchemeSettings(pScheme);
+}