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game/client/tf2/c_maker_bughole.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "hud.h"
+#include "c_ai_basenpc.h"
+#include "IEffects.h"
+#include "particles_simple.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Client side entity for the NPC Bug hole
+//-----------------------------------------------------------------------------
+class C_Maker_Bughole : public C_BaseEntity
+{
+	DECLARE_CLASS( C_Maker_Bughole, C_BaseEntity );
+public:
+	DECLARE_CLIENTCLASS();
+
+	C_Maker_Bughole();
+
+	virtual void	OnDataChanged( DataUpdateType_t updateType );
+	virtual void	ClientThink( void );
+	void			SpawnEffect( void );
+
+public:
+	C_Maker_Bughole( const C_Maker_Bughole & );
+
+	float		m_flNextEffectTime;
+};
+
+IMPLEMENT_CLIENTCLASS_DT(C_Maker_Bughole, DT_Maker_Bughole, CMaker_Bughole)
+END_RECV_TABLE()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+C_Maker_Bughole::C_Maker_Bughole( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void C_Maker_Bughole::OnDataChanged( DataUpdateType_t updateType )
+{
+	BaseClass::OnDataChanged( updateType );
+
+	if ( updateType == DATA_UPDATE_CREATED )
+	{
+		SetNextClientThink( CLIENT_THINK_ALWAYS );
+		m_flNextEffectTime = gpGlobals->curtime;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Spawn effects if I'm sapping
+//-----------------------------------------------------------------------------
+void C_Maker_Bughole::ClientThink( void )
+{
+	if ( m_flNextEffectTime < gpGlobals->curtime )
+	{
+		SpawnEffect();
+		m_flNextEffectTime = gpGlobals->curtime + random->RandomFloat( 0.5, 1.0 );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Particle effects created when we spawn a chunk
+//-----------------------------------------------------------------------------
+void C_Maker_Bughole::SpawnEffect( void )
+{
+	Vector normal = Vector(0,0,-1);
+	Vector offset = GetAbsOrigin() + (normal * 16);
+	Vector dir;
+
+	// Create a couple of big, floating smoke clouds
+	CSmartPtr<CSimpleEmitter> pSmokeEmitter = CSimpleEmitter::Create( "C_Maker_Bughole::SpawnEffect" );
+	pSmokeEmitter->SetSortOrigin( offset );
+	int iSmokeClouds = random->RandomInt(2,5);
+	for ( int i = 0; i < iSmokeClouds; i++ )
+	{
+		SimpleParticle *pParticle = (SimpleParticle *) pSmokeEmitter->AddParticle( sizeof(SimpleParticle), g_Mat_DustPuff[1], offset );
+		if ( pParticle == NULL )
+			return;
+
+		pParticle->m_flLifetime	= 0.0f;
+		pParticle->m_flDieTime	= random->RandomFloat( 2.0f, 3.0f );
+
+		pParticle->m_uchStartSize	= 8;
+		pParticle->m_uchEndSize		= 48;
+
+		dir[0] = normal[0] + random->RandomFloat( -0.4f, 0.4f );
+		dir[1] = normal[1] + random->RandomFloat( -0.4f, 0.4f );
+		dir[2] = normal[2] + random->RandomFloat( 0, 0.6f );
+		pParticle->m_vecVelocity = dir * random->RandomFloat( 8.0f, 20.0f )*(i+1);
+		pParticle->m_uchStartAlpha	= 255;
+		pParticle->m_uchEndAlpha	= 0;
+		pParticle->m_flRoll			= random->RandomFloat( 180, 360 );
+		pParticle->m_flRollDelta	= random->RandomFloat( -1, 1 );
+
+		float flColor = random->RandomFloat( 0,64 );
+		pParticle->m_uchColor[0] = 100 + flColor;
+		pParticle->m_uchColor[1] = 50 + flColor;
+		pParticle->m_uchColor[2] = flColor;
+	}
+}