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game/client/particledraw.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// FIXME: Should we just pass the Particle draw members directly as
+// arguments to IParticleEffect::SimulateAndRender?
+
+// This file defines and implements the ParticleDraw class, which is used
+// by ParticleEffects to render particles. It simply stores render + simulation
+// state
+//
+
+#ifndef PARTICLEDRAW_H
+#define PARTICLEDRAW_H
+
+
+class IMaterial;
+class CMeshBuilder;
+class CParticleSubTexture;
+
+
+class ParticleDraw
+{
+friend class CParticleEffectBinding;
+
+public:
+
+					ParticleDraw();
+
+	void			Init( CMeshBuilder *pMeshBuilder, IMaterial *pMaterial, float fTimeDelta );
+
+	// Time delta..
+	float			GetTimeDelta() const;
+
+	// Get the material being used (mostly useful for getting the tcoord padding).
+	//IMaterial*		GetPMaterial();
+
+	// This can return NULL if the particle system is only being simulated.
+	CMeshBuilder*	GetMeshBuilder();
+
+	CParticleSubTexture	*m_pSubTexture;
+
+private:
+	CMeshBuilder	*m_pMeshBuilder;
+	IMaterial		*m_pMaterial;
+	float			m_fTimeDelta;
+};
+
+
+
+// ------------------------------------------------------------------------- //
+// Inlines
+// ------------------------------------------------------------------------- //
+
+inline ParticleDraw::ParticleDraw()
+{
+	m_pMaterial = 0;
+}
+
+inline void ParticleDraw::Init( CMeshBuilder *pMeshBuilder, IMaterial *pMaterial, float fTimeDelta )
+{
+	m_pMeshBuilder = pMeshBuilder;
+	m_pMaterial = pMaterial;
+	m_fTimeDelta = fTimeDelta;
+}
+
+inline float ParticleDraw::GetTimeDelta() const
+{
+	return m_fTimeDelta;
+}
+
+inline CMeshBuilder* ParticleDraw::GetMeshBuilder()
+{
+	return m_pMeshBuilder;
+}
+
+#endif
+