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game/client/geiger.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+//
+// Geiger.cpp
+//
+// implementation of CHudAmmo class
+//
+#include "cbase.h"
+#include "hudelement.h"
+#include "hud_macros.h"
+#include "engine/IEngineSound.h"
+#include "SoundEmitterSystem/isoundemittersystembase.h"
+#include "iclientmode.h"
+#include <vgui_controls/Controls.h>
+#include <vgui_controls/Panel.h>
+#include <vgui/ISurface.h>
+
+using namespace vgui;
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class CHudGeiger: public CHudElement, public vgui::Panel
+{
+	DECLARE_CLASS_SIMPLE( CHudGeiger, vgui::Panel );
+public:
+	CHudGeiger( const char *pElementName );
+	void Init( void );
+	void VidInit( void );
+	bool ShouldDraw( void );
+	virtual void	ApplySchemeSettings( vgui::IScheme *scheme );
+	virtual void	Paint( void );
+	void MsgFunc_Geiger(bf_read &msg);
+	
+private:
+	int m_iGeigerRange;
+	float m_flLastSoundTestTime;
+};
+
+DECLARE_HUDELEMENT( CHudGeiger );
+DECLARE_HUD_MESSAGE( CHudGeiger, Geiger );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CHudGeiger::CHudGeiger( const char *pElementName ) :
+	CHudElement( pElementName ), BaseClass( NULL, "HudGeiger" )
+{
+	vgui::Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+	m_flLastSoundTestTime = -9999;
+
+	SetHiddenBits( HIDEHUD_HEALTH );
+}
+
+void CHudGeiger::ApplySchemeSettings( IScheme *scheme )
+{
+	BaseClass::ApplySchemeSettings( scheme );
+
+	SetPaintBackgroundEnabled( false );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudGeiger::Init(void)
+{
+	HOOK_HUD_MESSAGE( CHudGeiger, Geiger );
+
+	m_iGeigerRange = 0;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudGeiger::VidInit(void)
+{
+	m_iGeigerRange = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudGeiger::MsgFunc_Geiger( bf_read &msg )
+{
+	// update geiger data
+	m_iGeigerRange = msg.ReadByte();
+	m_iGeigerRange = m_iGeigerRange << 2;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CHudGeiger::ShouldDraw( void )
+{
+	return ( ( m_iGeigerRange > 0 && m_iGeigerRange < 1000 ) && CHudElement::ShouldDraw() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudGeiger::Paint()
+{
+	int pct;
+	float flvol=0;
+	bool highsound = false;
+	
+	if ( gpGlobals->curtime - m_flLastSoundTestTime < 0.06 )
+	{
+		return;
+	}
+
+	m_flLastSoundTestTime = gpGlobals->curtime;
+
+	// piecewise linear is better than continuous formula for this
+	if (m_iGeigerRange > 800)
+	{
+		pct = 0;			//Msg ( "range > 800\n");
+	}
+	else if (m_iGeigerRange > 600)
+	{
+		pct = 2;
+		flvol = 0.2;		//Msg ( "range > 600\n");
+	}
+	else if (m_iGeigerRange > 500)
+	{
+		pct = 4;
+		flvol = 0.25;		//Msg ( "range > 500\n");
+	}
+	else if (m_iGeigerRange > 400)
+	{
+		pct = 8;
+		flvol = 0.3;		//Msg ( "range > 400\n");
+		highsound = true;
+	}
+	else if (m_iGeigerRange > 300)
+	{
+		pct = 8;
+		flvol = 0.35;		//Msg ( "range > 300\n");
+		highsound = true;
+	}
+	else if (m_iGeigerRange > 200)
+	{
+		pct = 28;
+		flvol = 0.39;		//Msg ( "range > 200\n");
+		highsound = true;
+	}
+	else if (m_iGeigerRange > 150)
+	{
+		pct = 40;
+		flvol = 0.40;		//Msg ( "range > 150\n");
+		highsound = true;
+	}
+	else if (m_iGeigerRange > 100)
+	{
+		pct = 60;
+		flvol = 0.425;		//Msg ( "range > 100\n");
+		highsound = true;
+	}
+	else if (m_iGeigerRange > 75)
+	{
+		pct = 80;
+		flvol = 0.45;		//Msg ( "range > 75\n");
+		//gflGeigerDelay = cl.time + GEIGERDELAY * 0.75;
+		highsound = true;
+	}
+	else if (m_iGeigerRange > 50)
+	{
+		pct = 90;
+		flvol = 0.475;		//Msg ( "range > 50\n");
+	}
+	else
+	{
+		pct = 95;
+		flvol = 0.5;		//Msg ( "range < 50\n");
+	}
+
+	flvol = (flvol * (random->RandomInt(0,127)) / 255) + 0.25;
+
+	if ( random->RandomInt(0,127) < pct )
+	{
+		char sz[256];
+		if ( highsound )
+		{
+			Q_strncpy( sz, "Geiger.BeepHigh", sizeof( sz ) );
+		}
+		else
+		{
+			Q_strncpy( sz, "Geiger.BeepLow", sizeof( sz ) );
+		}
+
+		CSoundParameters params;
+
+		if ( C_BaseEntity::GetParametersForSound( sz, params, NULL ) )
+		{
+			CLocalPlayerFilter filter;
+
+			EmitSound_t ep;
+			ep.m_nChannel = params.channel;
+			ep.m_pSoundName =  params.soundname;
+			ep.m_flVolume = flvol;
+			ep.m_SoundLevel = params.soundlevel;
+			ep.m_nPitch = params.pitch;
+
+			C_BaseEntity::EmitSound( filter, SOUND_FROM_LOCAL_PLAYER, ep ); 
+		}
+	}
+}