Added most recent version of unmodified HL2 SDK for Episode 1 engine

cl_dll/clientsideeffects.cpp

@@ -0,0 +1,234 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "clientsideeffects.h"
+#include "tier0/vprof.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+bool g_FXCreationAllowed = false;
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : state - 
+//-----------------------------------------------------------------------------
+void SetFXCreationAllowed( bool state )
+{
+	g_FXCreationAllowed = state;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool FXCreationAllowed( void )
+{
+	return g_FXCreationAllowed;
+}
+
+// TODO:  Sort effects and their children back to front from view positon?  At least with buckets or something.
+
+//
+//-----------------------------------------------------------------------------
+// Purpose: Construct and activate effect
+// Input  : *name - 
+//-----------------------------------------------------------------------------
+CClientSideEffect::CClientSideEffect( const char *name )
+{
+	m_pszName = name;
+	Assert( name );
+
+	m_bActive = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destroy effect
+//-----------------------------------------------------------------------------
+CClientSideEffect::~CClientSideEffect( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get name of effect
+// Output : const char
+//-----------------------------------------------------------------------------
+const char *CClientSideEffect::GetName( void )
+{
+	return m_pszName;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Is effect still active?
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool CClientSideEffect::IsActive( void )
+{
+	return m_bActive;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Mark effect for destruction
+//-----------------------------------------------------------------------------
+void CClientSideEffect::Destroy( void )
+{
+	m_bActive = false;
+}
+
+#define MAX_EFFECTS 256
+
+//-----------------------------------------------------------------------------
+// Purpose: Implements effects list interface
+//-----------------------------------------------------------------------------
+class CEffectsList : public IEffectsList
+{
+public:
+					CEffectsList( void );
+	virtual			~CEffectsList( void );
+
+	//	Add an effect to the effects list
+	void			AddEffect( CClientSideEffect *effect );
+	// Remove the specified effect
+	// Draw/update all effects in the current list
+	void			DrawEffects( double frametime );
+	// Flush out all effects from the list
+	void			Flush( void );
+private:
+	void			RemoveEffect( int effectIndex );
+	// Current number of effects
+	int				m_nEffects;
+	// Pointers to current effects
+	CClientSideEffect *m_rgEffects[ MAX_EFFECTS ];
+};
+
+// Implements effects list and exposes interface
+static CEffectsList g_EffectsList;
+// Public interface
+IEffectsList *clienteffects = ( IEffectsList * )&g_EffectsList;
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CEffectsList::CEffectsList( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CEffectsList::~CEffectsList( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Add effect to effects list
+// Input  : *effect - 
+//-----------------------------------------------------------------------------
+void CEffectsList::AddEffect( CClientSideEffect *effect )
+{
+#if 0
+	if ( FXCreationAllowed() == false )
+	{
+		//NOTENOTE: If you've hit this, you may not add a client effect where you have attempted to.
+		//			Most often this means that you have added it in an entity's DrawModel function.
+		//			Move this to the ClientThink function instead!
+
+		Assert(0);
+		return;
+	}
+#endif
+
+	if ( effect == NULL )
+		return;
+
+	if ( m_nEffects >= MAX_EFFECTS )
+	{
+		DevWarning( 1, "No room for effect %s\n", effect->GetName() );
+		return;
+	}
+
+	m_rgEffects[ m_nEffects++ ] = effect;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Remove specified effect by index
+// Input  : effectIndex - 
+//-----------------------------------------------------------------------------
+void CEffectsList::RemoveEffect( int effectIndex )
+{
+	if ( effectIndex >= m_nEffects || effectIndex < 0 )
+		return;
+
+	CClientSideEffect *pEffect = m_rgEffects[effectIndex];
+	m_nEffects--;
+
+	if ( m_nEffects > 0 && effectIndex != m_nEffects )
+	{
+		// move the last one down to fill the empty slot
+		m_rgEffects[effectIndex] = m_rgEffects[m_nEffects];
+	}
+
+	pEffect->Destroy();
+
+	delete pEffect;	//FIXME: Yes, no?
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Iterate through list and simulate/draw stuff
+// Input  : frametime - 
+//-----------------------------------------------------------------------------
+void CEffectsList::DrawEffects( double frametime )
+{
+	VPROF_BUDGET( "CEffectsList::DrawEffects", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
+	int i;
+	CClientSideEffect *effect;
+
+	// Go backwards so deleting effects doesn't screw up
+	for ( i = m_nEffects - 1 ; i >= 0; i-- )
+	{
+		effect = m_rgEffects[ i ];
+		if ( !effect )
+			continue;
+
+		// Simulate
+		effect->Draw( frametime );
+
+		// Remove it if needed
+		if ( !effect->IsActive() )
+		{
+			RemoveEffect( i );
+		}
+	}
+}
+
+//==================================================
+// Purpose: 
+// Input: 
+//==================================================
+
+void CEffectsList::Flush( void )
+{
+	int i;
+	CClientSideEffect *effect;
+
+	// Go backwards so deleting effects doesn't screw up
+	for ( i = m_nEffects - 1 ; i >= 0; i-- )
+	{
+		effect = m_rgEffects[ i ];
+		
+		if ( effect == NULL )
+			continue;
+
+		RemoveEffect( i );
+	}
+}