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game/client/hl2/c_waterbullet.cpp

@@ -0,0 +1,121 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "particles_simple.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+class C_WaterBullet : public C_BaseAnimating
+{
+public:
+
+	DECLARE_CLIENTCLASS();
+	DECLARE_CLASS( C_WaterBullet, C_BaseAnimating );
+
+	C_WaterBullet( void ) {};
+	~C_WaterBullet( void ) {};
+
+	void OnDataChanged( DataUpdateType_t updateType )
+	{
+		BaseClass::OnDataChanged( updateType );
+
+		if ( updateType == DATA_UPDATE_CREATED )
+		{
+			m_pEmitter = CSimpleEmitter::Create( "FX_Bubble" );
+			m_pEmitter->SetSortOrigin( GetAbsOrigin() );
+
+			m_vecLastOrigin = GetAbsOrigin();
+		}
+	}
+
+#define	BUBBLES_PER_INCH	0.2
+
+	void AddEntity( void )
+	{
+		Vector	direction = GetAbsOrigin() - m_vecLastOrigin;
+		float	flDist = VectorNormalize( direction );
+
+		int	numBubbles = (int) ( flDist * BUBBLES_PER_INCH );
+
+		if ( numBubbles < 1 )
+			numBubbles = 1;
+
+		// Make bubbles
+		SimpleParticle *sParticle;
+
+		Vector	offset;
+
+		for ( int i = 0; i < numBubbles; i++ )
+		{
+			offset = m_vecLastOrigin + ( direction * ( flDist / numBubbles ) * i ) + RandomVector( -2.5f, 2.5f );
+
+			sParticle = (SimpleParticle *) m_pEmitter->AddParticle( sizeof(SimpleParticle), m_pEmitter->GetPMaterial( "effects/bubble" ), offset );
+
+			if ( sParticle )
+			{
+				sParticle->m_flLifetime		= 0.0f;
+				sParticle->m_flDieTime		= random->RandomFloat( 0.75f, 1.25f );
+
+				sParticle->m_flRoll			= 0;
+				sParticle->m_flRollDelta	= 0;
+
+				unsigned char color = random->RandomInt( 128, 255 );
+
+				sParticle->m_uchColor[0]	= color;
+				sParticle->m_uchColor[1]	= color;
+				sParticle->m_uchColor[2]	= color;
+				sParticle->m_uchStartAlpha	= 255;
+				sParticle->m_uchEndAlpha	= 0;
+				sParticle->m_uchStartSize	= random->RandomInt( 1, 2 );
+				sParticle->m_uchEndSize		= sParticle->m_uchStartSize;
+				
+				sParticle->m_vecVelocity	= ( direction * 64.0f ) + Vector( 0, 0, 32 );
+			}
+			
+			sParticle = (SimpleParticle *) m_pEmitter->AddParticle( sizeof(SimpleParticle), m_pEmitter->GetPMaterial( "effects/splash2" ), offset );
+
+			if ( sParticle )
+			{
+				sParticle->m_flLifetime		= 0.0f;
+				sParticle->m_flDieTime		= 0.2f;
+
+				sParticle->m_flRoll			= random->RandomInt( 0, 360 );
+				sParticle->m_flRollDelta	= random->RandomInt( -4, 4 );
+
+				unsigned char color = random->RandomInt( 200, 255 );
+
+				sParticle->m_uchColor[0]	= color;
+				sParticle->m_uchColor[1]	= color;
+				sParticle->m_uchColor[2]	= color;
+				sParticle->m_uchStartAlpha	= 128;
+				sParticle->m_uchEndAlpha	= 0;
+				sParticle->m_uchStartSize	= 2;
+				sParticle->m_uchEndSize		= sParticle->m_uchStartSize * 4;
+				
+				sParticle->m_vecVelocity	= ( direction * 64.0f ) + Vector( 0, 0, 32 );
+			}
+		}
+
+		// Save our last position
+		m_vecLastOrigin = GetAbsOrigin();
+
+		BaseClass::AddEntity();
+	}
+
+	bool ShouldDraw( void ) { return true; }
+
+private:
+	C_WaterBullet( const C_WaterBullet & );
+
+	CSmartPtr<CSimpleEmitter> m_pEmitter;
+
+	Vector		m_vecLastOrigin;
+};
+
+IMPLEMENT_CLIENTCLASS_DT( C_WaterBullet, DT_WaterBullet, CWaterBullet )
+END_RECV_TABLE()