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game/client/tf/c_playerrelativemodel.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A clientside, visual only model that's positioned relative to players
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "c_playerrelativemodel.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+C_PlayerRelativeModel *C_PlayerRelativeModel::Create( const char *pszModelName, C_BaseEntity *pParent, Vector vecOffset, QAngle angleOffset, float flAnimSpeed, float flLifetime, int iFlags )
+{
+	C_PlayerRelativeModel *pFlash = new C_PlayerRelativeModel;
+	if ( !pFlash )
+		return NULL;
+
+	if ( !pFlash->Initialize( pszModelName, pParent, vecOffset, angleOffset, flAnimSpeed, flLifetime, iFlags ) )
+		return NULL;
+
+	return pFlash;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool C_PlayerRelativeModel::Initialize( const char *pszModelName, C_BaseEntity *pParent, Vector vecOffset, QAngle angleOffset, float flAnimSpeed, float flLifetime, int iFlags )
+{
+	AddEffects( EF_NORECEIVESHADOW | EF_NOSHADOW );
+	if ( InitializeAsClientEntity( pszModelName, RENDER_GROUP_OPAQUE_ENTITY ) == false )
+	{
+		Release();
+		return false;
+	}
+
+	m_vecOffsetPos = vecOffset;
+	m_angleOffset = angleOffset;
+
+	SetParent( pParent, 0 ); 
+	SetLocalOrigin( vec3_origin );
+	SetLocalAngles( vec3_angle );
+
+	AddSolidFlags( FSOLID_NOT_SOLID );
+
+	SetLifetime( flLifetime );
+	SetNextClientThink( CLIENT_THINK_ALWAYS );
+
+	SetCycle( 0 );
+
+	m_qOffsetRotation = vec3_angle;
+	m_flAnimSpeed = flAnimSpeed;
+	
+	m_iFlags = iFlags;
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void C_PlayerRelativeModel::SetLifetime( float flLifetime )
+{
+	if ( flLifetime == PRM_PERMANENT )
+	{
+		m_flExpiresAt = PRM_PERMANENT;
+	}
+	else
+	{
+		// Expire when the lifetime is up
+		m_flExpiresAt = gpGlobals->curtime + flLifetime;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void C_PlayerRelativeModel::ClientThink( void )
+{
+	if ( !GetMoveParent() || (m_flExpiresAt != PRM_PERMANENT && gpGlobals->curtime > m_flExpiresAt) )
+	{
+		Release();
+		return;
+	}
+
+	// Animate 
+	C_BaseEntity *pParent = GetMoveParent();
+
+	Vector out(0, 0, 0);
+	if ( m_iFlags & PRM_SPIN_Z )
+	{
+		m_qOffsetRotation += QAngle(0, gpGlobals->frametime * m_flAnimSpeed, 0);
+		VectorRotate( m_vecOffsetPos, m_qOffsetRotation, out );
+	}
+
+	SetAbsOrigin( pParent->GetAbsOrigin() + out );
+	SetAbsAngles( m_qOffsetRotation + m_angleOffset );
+}
+
+//-----------------------------------------------------------------------------
+// C_MerasmusBombEffect
+//-----------------------------------------------------------------------------
+C_MerasmusBombEffect *C_MerasmusBombEffect::Create( const char *pszModelName, C_TFPlayer *pParent, Vector vecOffset, QAngle angleOffset, float flAnimSpeed, float flLifetime, int iFlags )
+{
+	C_MerasmusBombEffect *pFlash = new C_MerasmusBombEffect;
+	if ( !pFlash )
+		return NULL;
+
+	if ( !pFlash->Initialize( pszModelName, pParent, vecOffset, angleOffset, flAnimSpeed, flLifetime, iFlags ) )
+		return NULL;
+
+	return pFlash;
+}
+
+//-----------------------------------------------------------------------------
+bool C_MerasmusBombEffect::Initialize( const char *pszModelName, C_TFPlayer *pParent, Vector vecOffset, QAngle angleOffset, float flAnimSpeed, float flLifetime, int iFlags )
+{
+	if ( !BaseClass::Initialize(pszModelName, pParent, vecOffset, angleOffset, flAnimSpeed, flLifetime, iFlags ) )
+		return false;
+
+	// Create a particle effect 
+	const char *pszEffectName = "bombonomicon_spell_trail";
+
+	if ( m_pBombonomiconBeam )
+	{
+		m_pBombonomiconBeam->StopEmission();
+		m_pBombonomiconBeam = NULL;
+	}
+
+	if ( m_pBombonomiconEffect )
+	{
+		m_pBombonomiconEffect->StopEmission();
+		m_pBombonomiconEffect = NULL;
+	}
+
+	m_pBombonomiconBeam = ParticleProp()->Create( pszEffectName, PATTACH_ABSORIGIN_FOLLOW, INVALID_PARTICLE_ATTACHMENT, Vector(0,0,-10) );
+	if ( m_pBombonomiconBeam )
+	{
+		ParticleProp()->AddControlPoint( m_pBombonomiconBeam, 1, pParent, PATTACH_POINT_FOLLOW, "head", Vector(0,0,0) );
+	}
+
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+void C_MerasmusBombEffect::ClientThink( void )
+{
+	if ( !GetMoveParent() || (m_flExpiresAt != PRM_PERMANENT && gpGlobals->curtime > m_flExpiresAt) )
+	{
+		if ( m_pBombonomiconBeam )
+		{
+			m_pBombonomiconBeam->StopEmission();
+			m_pBombonomiconBeam = NULL;
+		}
+
+		if ( m_pBombonomiconEffect )
+		{
+			m_pBombonomiconEffect->StopEmission();
+			m_pBombonomiconEffect = NULL;
+		}
+	}
+
+	BaseClass::ClientThink();
+}