First version of the SOurce SDK 2013

game/client/entity_client_tools.cpp

@@ -0,0 +1,793 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+#include "cbase.h"
+#include "toolframework/itoolentity.h"
+#include "tier1/KeyValues.h"
+#include "Sprite.h"
+#include "enginesprite.h"
+#include "toolframework_client.h"
+#include "particles/particles.h"
+#include "particle_parse.h"
+#include "rendertexture.h"
+
+#ifdef PORTAL
+	#include "PortalRender.h"
+#endif
+
+#pragma warning( disable: 4355 )  // warning C4355: 'this' : used in base member initializer list
+
+class CClientTools;
+
+void DrawSpriteModel( IClientEntity *baseentity, CEngineSprite *psprite,
+						const Vector &origin, float fscale, float frame, 
+						int rendermode, int r, int g, int b, int a,
+						const Vector& forward, const Vector& right, const Vector& up, float flHDRColorScale = 1.0f );
+float StandardGlowBlend( const pixelvis_queryparams_t &params, pixelvis_handle_t *queryHandle,
+						int rendermode, int renderfx, int alpha, float *pscale );
+
+
+// Interface from engine to tools for manipulating entities
+class CClientTools : public IClientTools, public IClientEntityListener
+{
+public:
+	CClientTools();
+
+	virtual HTOOLHANDLE		AttachToEntity( EntitySearchResult entityToAttach );
+	virtual void			DetachFromEntity( EntitySearchResult entityToDetach );
+	virtual bool			IsValidHandle( HTOOLHANDLE handle );
+
+	virtual int				GetNumRecordables();
+	virtual HTOOLHANDLE		GetRecordable( int index );
+
+	// Iterates through ALL entities (separate list for client vs. server)
+	virtual EntitySearchResult	NextEntity( EntitySearchResult currentEnt );
+
+	// Use this to turn on/off the presence of an underlying game entity
+	virtual void			SetEnabled( HTOOLHANDLE handle, bool enabled );
+
+	virtual void			SetRecording( HTOOLHANDLE handle, bool recording );
+	virtual bool			ShouldRecord( HTOOLHANDLE handle );
+
+	virtual int				GetModelIndex( HTOOLHANDLE handle );
+	virtual const char*		GetModelName ( HTOOLHANDLE handle );
+	virtual const char*		GetClassname ( HTOOLHANDLE handle );
+
+	virtual HTOOLHANDLE		GetToolHandleForEntityByIndex( int entindex );
+
+	virtual void			AddClientRenderable( IClientRenderable *pRenderable, int renderGroup );
+	virtual void			RemoveClientRenderable( IClientRenderable *pRenderable );
+	virtual void			SetRenderGroup( IClientRenderable *pRenderable, int renderGroup );
+	virtual void			MarkClientRenderableDirty( IClientRenderable *pRenderable );
+
+	virtual bool			DrawSprite( IClientRenderable *pRenderable,
+										float scale, float frame,
+										int rendermode, int renderfx,
+										const Color &color, float flProxyRadius, int *pVisHandle );
+
+	virtual bool			GetLocalPlayerEyePosition( Vector& org, QAngle& ang, float &fov );
+	virtual EntitySearchResult	GetLocalPlayer();
+
+	virtual ClientShadowHandle_t	CreateShadow( CBaseHandle h, int nFlags );
+	virtual void			DestroyShadow( ClientShadowHandle_t h );
+	virtual ClientShadowHandle_t CreateFlashlight( const FlashlightState_t &lightState );
+	virtual void			DestroyFlashlight( ClientShadowHandle_t h );
+	virtual void			UpdateFlashlightState( ClientShadowHandle_t h, const FlashlightState_t &flashlightState );
+	virtual void			AddToDirtyShadowList( ClientShadowHandle_t h, bool force = false );
+	virtual void			MarkRenderToTextureShadowDirty( ClientShadowHandle_t h );
+    virtual void			UpdateProjectedTexture( ClientShadowHandle_t h, bool bForce );
+
+	// Global toggle for recording
+	virtual void			EnableRecordingMode( bool bEnable );
+	virtual bool			IsInRecordingMode() const;
+
+	// Trigger a temp entity
+	virtual void			TriggerTempEntity( KeyValues *pKeyValues );
+
+	// get owning weapon (for viewmodels)
+	virtual int				GetOwningWeaponEntIndex( int entindex );
+	virtual int				GetEntIndex( EntitySearchResult entityToAttach );
+
+	virtual int				FindGlobalFlexcontroller( char const *name );
+	virtual char const		*GetGlobalFlexControllerName( int idx );
+
+	// helper for traversing ownership hierarchy
+	virtual EntitySearchResult	GetOwnerEntity( EntitySearchResult currentEnt );
+
+	// common and useful types to query for hierarchically
+	virtual bool			IsPlayer( EntitySearchResult entityToAttach );
+	virtual bool			IsBaseCombatCharacter( EntitySearchResult entityToAttach );
+	virtual bool			IsNPC( EntitySearchResult entityToAttach );
+
+	virtual Vector			GetAbsOrigin( HTOOLHANDLE handle );
+	virtual QAngle			GetAbsAngles( HTOOLHANDLE handle );
+	virtual void			ReloadParticleDefintions( const char *pFileName, const void *pBufData, int nLen );
+
+	// Sends a mesage from the tool to the client
+	virtual void			PostToolMessage( KeyValues *pKeyValues );
+
+	// Indicates whether the client should render particle systems
+	virtual void			EnableParticleSystems( bool bEnable );
+
+	// Is the game rendering in 3rd person mode?
+	virtual bool			IsRenderingThirdPerson() const;
+
+public:
+	C_BaseEntity			*LookupEntity( HTOOLHANDLE handle );
+
+	// IClientEntityListener methods
+	void OnEntityDeleted( C_BaseEntity *pEntity );
+	void OnEntityCreated( C_BaseEntity *pEntity );
+
+private:
+	struct HToolEntry_t
+	{
+		HToolEntry_t() : m_Handle( 0 ) {}
+		HToolEntry_t( int handle, C_BaseEntity *pEntity = NULL )
+			: m_Handle( handle ), m_hEntity( pEntity )
+		{
+			if ( pEntity )
+			{
+				m_hEntity->SetToolHandle( m_Handle );
+			}
+		}
+
+		int					m_Handle;
+		EHANDLE				m_hEntity;
+	};
+
+	static int				s_nNextHandle;
+
+	static bool HandleLessFunc( const HToolEntry_t& lhs, const HToolEntry_t& rhs )
+	{
+		return lhs.m_Handle < rhs.m_Handle;
+	}
+
+	CUtlRBTree< HToolEntry_t >	m_Handles;
+	CUtlVector< int > m_ActiveHandles;
+	bool m_bInRecordingMode;
+};
+
+
+//-----------------------------------------------------------------------------
+// Statics
+//-----------------------------------------------------------------------------
+int CClientTools::s_nNextHandle = 1;
+
+
+//-----------------------------------------------------------------------------
+// Singleton instance
+//-----------------------------------------------------------------------------
+static CClientTools s_ClientTools;
+IClientTools *clienttools = &s_ClientTools;
+EXPOSE_SINGLE_INTERFACE_GLOBALVAR( CClientTools, IClientTools, VCLIENTTOOLS_INTERFACE_VERSION, s_ClientTools );
+
+
+//-----------------------------------------------------------------------------
+// Constructor
+//-----------------------------------------------------------------------------
+CClientTools::CClientTools() : m_Handles( 0, 0, HandleLessFunc )
+{
+	m_bInRecordingMode = false;
+	cl_entitylist->AddListenerEntity( this );
+}
+
+
+//-----------------------------------------------------------------------------
+// Global toggle for recording
+//-----------------------------------------------------------------------------
+void CClientTools::EnableRecordingMode( bool bEnable )
+{
+	m_bInRecordingMode = bEnable;
+}
+
+bool CClientTools::IsInRecordingMode() const
+{
+	return m_bInRecordingMode;
+}
+
+
+//-----------------------------------------------------------------------------
+// Trigger a temp entity
+//-----------------------------------------------------------------------------
+void CClientTools::TriggerTempEntity( KeyValues *pKeyValues )
+{
+	te->TriggerTempEntity( pKeyValues );
+}
+
+
+//-----------------------------------------------------------------------------
+// get owning weapon (for viewmodels)
+//-----------------------------------------------------------------------------
+int CClientTools::GetOwningWeaponEntIndex( int entindex )
+{
+	C_BaseEntity *pEnt = C_BaseEntity::Instance( entindex );
+	C_BaseViewModel *pViewModel = dynamic_cast< C_BaseViewModel* >( pEnt );
+	if ( pViewModel )
+	{
+		C_BaseCombatWeapon *pWeapon = pViewModel->GetOwningWeapon();
+		if ( pWeapon )
+		{
+			return pWeapon->entindex();
+		}
+	}
+
+	return -1;
+}
+
+int CClientTools::GetEntIndex( EntitySearchResult entityToAttach )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity * >( entityToAttach );
+	return ent ? ent->entindex() : 0;
+}
+
+void CClientTools::AddClientRenderable( IClientRenderable *pRenderable, int renderGroup )
+{
+	Assert( pRenderable );
+
+	cl_entitylist->AddNonNetworkableEntity( pRenderable->GetIClientUnknown() );
+
+	ClientRenderHandle_t handle = pRenderable->RenderHandle();
+	if ( INVALID_CLIENT_RENDER_HANDLE == handle )
+	{
+		// create new renderer handle
+		ClientLeafSystem()->AddRenderable( pRenderable, (RenderGroup_t)renderGroup );
+	}
+	else
+	{
+		// handle already exists, just update group & origin
+		ClientLeafSystem()->SetRenderGroup( pRenderable->RenderHandle(), (RenderGroup_t)renderGroup );
+		ClientLeafSystem()->RenderableChanged( pRenderable->RenderHandle() );
+	}
+
+}
+
+void CClientTools::RemoveClientRenderable( IClientRenderable *pRenderable )
+{
+	ClientRenderHandle_t handle = pRenderable->RenderHandle();
+	if( handle != INVALID_CLIENT_RENDER_HANDLE )
+	{
+		ClientLeafSystem()->RemoveRenderable( handle );
+	}
+	cl_entitylist->RemoveEntity( pRenderable->GetIClientUnknown()->GetRefEHandle() );
+}
+
+void CClientTools::MarkClientRenderableDirty( IClientRenderable *pRenderable )
+{
+	ClientRenderHandle_t handle = pRenderable->RenderHandle();
+	if ( INVALID_CLIENT_RENDER_HANDLE != handle )
+	{
+		// handle already exists, just update group & origin
+		ClientLeafSystem()->RenderableChanged( pRenderable->RenderHandle() );
+	}
+}
+
+void CClientTools::SetRenderGroup( IClientRenderable *pRenderable, int renderGroup )
+{
+	ClientRenderHandle_t handle = pRenderable->RenderHandle();
+	if ( INVALID_CLIENT_RENDER_HANDLE == handle )
+	{
+		// create new renderer handle
+		ClientLeafSystem()->AddRenderable( pRenderable, (RenderGroup_t)renderGroup );
+	}
+	else
+	{
+		// handle already exists, just update group & origin
+		ClientLeafSystem()->SetRenderGroup( pRenderable->RenderHandle(), (RenderGroup_t)renderGroup );
+		ClientLeafSystem()->RenderableChanged( pRenderable->RenderHandle() );
+	}
+}
+
+bool CClientTools::DrawSprite( IClientRenderable *pRenderable, float scale, float frame, int rendermode, int renderfx, const Color &color, float flProxyRadius, int *pVisHandle )
+{
+	Vector origin = pRenderable->GetRenderOrigin();
+	QAngle angles = pRenderable->GetRenderAngles();
+
+	// Get extra data
+	CEngineSprite *psprite = (CEngineSprite *)modelinfo->GetModelExtraData( pRenderable->GetModel() );
+	if ( !psprite )
+		return false;
+
+	// Get orthonormal bases for current view - re-align to current camera (vs. recorded camera)
+	Vector forward, right, up;
+	C_SpriteRenderer::GetSpriteAxes( ( C_SpriteRenderer::SPRITETYPE )psprite->GetOrientation(), origin, angles, forward, right, up );
+
+	int r = color.r();
+	int g = color.g();
+	int b = color.b();
+
+	float oldBlend = render->GetBlend();
+	if ( rendermode != kRenderNormal )
+	{
+		// kRenderGlow and kRenderWorldGlow have a special blending function
+		if (( rendermode == kRenderGlow ) || ( rendermode == kRenderWorldGlow ))
+		{
+			pixelvis_queryparams_t params;
+			if ( flProxyRadius != 0.0f )
+			{
+				params.Init( origin, flProxyRadius );
+				params.bSizeInScreenspace = true;
+			}
+			else
+			{
+				params.Init( origin );
+			}
+			float blend = oldBlend * StandardGlowBlend( params, ( pixelvis_handle_t* )pVisHandle, rendermode, renderfx, color.a(), &scale );
+
+			if ( blend <= 0.0f )
+				return false;
+
+			//Fade out the sprite depending on distance from the view origin.
+			r *= blend;
+			g *= blend;
+			b *= blend;
+
+			render->SetBlend( blend );
+		}
+	}
+
+	DrawSpriteModel( ( IClientEntity* )pRenderable, psprite, origin, scale, frame, rendermode, r, g, b, color.a(), forward, right, up );
+
+	if (( rendermode == kRenderGlow ) || ( rendermode == kRenderWorldGlow ))
+	{
+		render->SetBlend( oldBlend );
+	}
+
+	return true;
+}
+
+HTOOLHANDLE CClientTools::AttachToEntity( EntitySearchResult entityToAttach )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity * >( entityToAttach );
+	Assert( ent );
+	if ( !ent )
+		return (HTOOLHANDLE)0;
+
+	HTOOLHANDLE curHandle = ent->GetToolHandle();
+	if ( curHandle != 0 )
+		return curHandle; // Already attaached
+
+	HToolEntry_t newHandle( s_nNextHandle++, ent );
+
+	m_Handles.Insert( newHandle );
+	m_ActiveHandles.AddToTail( newHandle.m_Handle );
+
+	return (HTOOLHANDLE)newHandle.m_Handle;
+}
+
+void CClientTools::DetachFromEntity( EntitySearchResult entityToDetach )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity * >( entityToDetach );
+	Assert( ent );
+	if ( !ent )
+		return;
+
+	HTOOLHANDLE handle = ent->GetToolHandle();
+	ent->SetToolHandle( (HTOOLHANDLE)0 );
+
+	if ( handle == (HTOOLHANDLE)0 ) 
+	{
+		Assert( 0 );
+		return;
+	}
+
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+	{
+		Assert( 0 );
+		return;
+	}
+
+	m_Handles.RemoveAt( idx );
+	m_ActiveHandles.FindAndRemove( handle );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : handle - 
+// Output : C_BaseEntity
+//-----------------------------------------------------------------------------
+C_BaseEntity *CClientTools::LookupEntity( HTOOLHANDLE handle )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return NULL;
+
+	return m_Handles[ idx ].m_hEntity;
+}
+
+int	CClientTools::GetNumRecordables()
+{
+	return m_ActiveHandles.Count();
+}
+
+HTOOLHANDLE CClientTools::GetRecordable( int index )
+{
+	if ( index < 0 || index >= m_ActiveHandles.Count() )
+	{
+		Assert( 0 );
+		return (HTOOLHANDLE)0;
+	}
+
+	return m_ActiveHandles[ index ];
+}
+
+
+//-----------------------------------------------------------------------------
+// Iterates through ALL entities (separate list for client vs. server)
+//-----------------------------------------------------------------------------
+EntitySearchResult CClientTools::NextEntity( EntitySearchResult currentEnt )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity* >( currentEnt );
+	if ( ent == NULL )
+	{
+		ent = cl_entitylist->FirstBaseEntity();
+	}
+	else
+	{
+		ent = cl_entitylist->NextBaseEntity( ent );
+	}
+	return reinterpret_cast< EntitySearchResult >( ent );
+}
+
+
+//-----------------------------------------------------------------------------
+// Use this to turn on/off the presence of an underlying game entity
+//-----------------------------------------------------------------------------
+void CClientTools::SetEnabled( HTOOLHANDLE handle, bool enabled )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return;
+
+	HToolEntry_t *slot = &m_Handles[ idx ];
+	Assert( slot );
+	if ( slot == NULL )
+		return;
+
+	C_BaseEntity *ent = slot->m_hEntity.Get();
+	if ( ent == NULL ||	ent->entindex() == 0 )
+		return; // Don't disable/enable the "world"
+
+	ent->EnableInToolView( enabled );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CClientTools::SetRecording( HTOOLHANDLE handle, bool recording )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return;
+
+	HToolEntry_t &entry = m_Handles[ idx ];
+	if ( entry.m_hEntity )
+	{
+		entry.m_hEntity->SetToolRecording( recording );
+	}
+}
+
+bool CClientTools::ShouldRecord( HTOOLHANDLE handle )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return false;
+
+	HToolEntry_t &entry = m_Handles[ idx ];
+	return entry.m_hEntity && entry.m_hEntity->ShouldRecordInTools();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+int CClientTools::GetModelIndex( HTOOLHANDLE handle )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return NULL;
+
+	HToolEntry_t &entry = m_Handles[ idx ];
+	if ( entry.m_hEntity )
+	{
+		return entry.m_hEntity->GetModelIndex();
+	}
+	Assert( 0 );
+	return 0;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+const char* CClientTools::GetModelName( HTOOLHANDLE handle )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return NULL;
+
+	HToolEntry_t &entry = m_Handles[ idx ];
+	if ( entry.m_hEntity )
+	{
+		return STRING( entry.m_hEntity->GetModelName() );
+	}
+	Assert( 0 );
+	return NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+const char* CClientTools::GetClassname( HTOOLHANDLE handle )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return NULL;
+
+	HToolEntry_t &entry = m_Handles[ idx ];
+	if ( entry.m_hEntity )
+	{
+		return STRING( entry.m_hEntity->GetClassname() );
+	}
+	Assert( 0 );
+	return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : handle - 
+//-----------------------------------------------------------------------------
+bool CClientTools::IsValidHandle( HTOOLHANDLE handle )
+{
+	return m_Handles.Find( HToolEntry_t( handle ) ) != m_Handles.InvalidIndex();
+}
+
+void CClientTools::OnEntityDeleted( CBaseEntity *pEntity )
+{
+	HTOOLHANDLE handle = pEntity ? pEntity->GetToolHandle() : (HTOOLHANDLE)0;
+	if ( handle == (HTOOLHANDLE)0 )
+		return;
+
+	if ( m_bInRecordingMode )
+	{
+		// Send deletion message to tool interface
+		KeyValues *kv = new KeyValues( "deleted" );
+		ToolFramework_PostToolMessage( handle, kv );
+		kv->deleteThis();
+	}
+
+	DetachFromEntity( pEntity );
+}
+
+void CClientTools::OnEntityCreated( CBaseEntity *pEntity )
+{
+	if ( !m_bInRecordingMode )
+		return;
+
+	HTOOLHANDLE h = AttachToEntity( pEntity );
+
+	// Send deletion message to tool interface
+	KeyValues *kv = new KeyValues( "created" );
+	ToolFramework_PostToolMessage( h, kv );
+	kv->deleteThis();
+}
+
+HTOOLHANDLE CClientTools::GetToolHandleForEntityByIndex( int entindex )
+{
+	C_BaseEntity *ent = C_BaseEntity::Instance(	entindex );
+	if ( !ent )
+		return (HTOOLHANDLE)0;
+
+	return ent->GetToolHandle();
+}
+
+EntitySearchResult CClientTools::GetLocalPlayer()
+{
+	C_BasePlayer *p = C_BasePlayer::GetLocalPlayer();
+	return reinterpret_cast< EntitySearchResult >( p );
+}
+
+bool CClientTools::GetLocalPlayerEyePosition( Vector& org, QAngle& ang, float &fov )
+{
+	C_BasePlayer *pl = C_BasePlayer::GetLocalPlayer();
+	if ( pl == NULL )
+		return false;
+
+	org = pl->EyePosition();
+	ang = pl->EyeAngles();
+	fov = pl->GetFOV();
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Create, destroy shadow
+//-----------------------------------------------------------------------------
+ClientShadowHandle_t CClientTools::CreateShadow( CBaseHandle h, int nFlags )
+{
+	return g_pClientShadowMgr->CreateShadow( h, nFlags );
+}
+
+void CClientTools::DestroyShadow( ClientShadowHandle_t h )
+{
+	g_pClientShadowMgr->DestroyShadow( h );
+}
+
+ClientShadowHandle_t CClientTools::CreateFlashlight( const FlashlightState_t &lightState )
+{
+	return g_pClientShadowMgr->CreateFlashlight( lightState );
+}
+
+void CClientTools::DestroyFlashlight( ClientShadowHandle_t h )
+{
+	g_pClientShadowMgr->DestroyFlashlight( h );
+}
+
+void CClientTools::UpdateFlashlightState( ClientShadowHandle_t h, const FlashlightState_t &lightState )
+{
+	g_pClientShadowMgr->UpdateFlashlightState( h, lightState );
+}
+
+void CClientTools::AddToDirtyShadowList( ClientShadowHandle_t h, bool force )
+{
+	g_pClientShadowMgr->AddToDirtyShadowList( h, force );
+}
+
+void CClientTools::MarkRenderToTextureShadowDirty( ClientShadowHandle_t h )
+{
+	g_pClientShadowMgr->MarkRenderToTextureShadowDirty( h );
+}
+
+void CClientTools::UpdateProjectedTexture( ClientShadowHandle_t h, bool bForce )
+{
+	g_pClientShadowMgr->UpdateProjectedTexture( h, bForce );
+}
+
+int CClientTools::FindGlobalFlexcontroller( char const *name )
+{
+	return C_BaseFlex::AddGlobalFlexController( (char *)name );
+}
+
+char const *CClientTools::GetGlobalFlexControllerName( int idx )
+{
+	return C_BaseFlex::GetGlobalFlexControllerName( idx );
+}
+
+//-----------------------------------------------------------------------------
+// helper for traversing ownership hierarchy
+//-----------------------------------------------------------------------------
+EntitySearchResult CClientTools::GetOwnerEntity( EntitySearchResult currentEnt )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity* >( currentEnt );
+	return ent ? ent->GetOwnerEntity() : NULL;
+}
+//-----------------------------------------------------------------------------
+// common and useful types to query for hierarchically
+//-----------------------------------------------------------------------------
+bool CClientTools::IsPlayer( EntitySearchResult currentEnt )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity* >( currentEnt );
+	return ent ? ent->IsPlayer() : false;
+}
+
+bool CClientTools::IsBaseCombatCharacter( EntitySearchResult currentEnt )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity* >( currentEnt );
+	return ent ? ent->IsBaseCombatCharacter() : false;
+}
+
+bool CClientTools::IsNPC( EntitySearchResult currentEnt )
+{
+	C_BaseEntity *ent = reinterpret_cast< C_BaseEntity* >( currentEnt );
+	return ent ? ent->IsNPC() : false;
+}
+
+Vector CClientTools::GetAbsOrigin( HTOOLHANDLE handle )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return vec3_origin;
+
+	HToolEntry_t &entry = m_Handles[ idx ];
+	if ( entry.m_hEntity )
+	{
+		return entry.m_hEntity->GetAbsOrigin();
+	}
+	Assert( 0 );
+	return vec3_origin;
+}
+
+QAngle CClientTools::GetAbsAngles( HTOOLHANDLE handle )
+{
+	int idx = m_Handles.Find( HToolEntry_t( handle ) );
+	if ( idx == m_Handles.InvalidIndex() )
+		return vec3_angle;
+
+	HToolEntry_t &entry = m_Handles[ idx ];
+	if ( entry.m_hEntity )
+	{
+		return entry.m_hEntity->GetAbsAngles();
+	}
+	Assert( 0 );
+	return vec3_angle;
+}
+
+
+//-----------------------------------------------------------------------------
+// Sends a mesage from the tool to the client
+//-----------------------------------------------------------------------------
+void CClientTools::PostToolMessage( KeyValues *pKeyValues )
+{
+	if ( !Q_stricmp( pKeyValues->GetName(), "QueryParticleManifest" ) )
+	{
+		// NOTE: This cannot be done during particle system init because tools aren't set up at that point
+		CUtlVector<CUtlString> files;
+		GetParticleManifest( files );
+		int nCount = files.Count();
+		for ( int i = 0; i < nCount; ++i )
+		{
+			char pTemp[256];
+			Q_snprintf( pTemp, sizeof(pTemp), "%d", i );
+			KeyValues *pSubKey = pKeyValues->FindKey( pTemp, true );
+			pSubKey->SetString( "file", files[i] );
+		}
+		return;
+	}
+
+	if ( !Q_stricmp( pKeyValues->GetName(), "QueryMonitorTexture" ) )
+	{
+		pKeyValues->SetPtr( "texture", GetCameraTexture() );
+		return;
+	}
+
+#ifdef PORTAL
+	if ( !Q_stricmp( pKeyValues->GetName(), "portals" ) )
+	{
+		g_pPortalRender->HandlePortalPlaybackMessage( pKeyValues );
+		return;
+	}
+	
+	if ( !Q_stricmp( pKeyValues->GetName(), "query CPortalRenderer" ) )
+	{
+		pKeyValues->SetInt( "IsRenderingPortal", g_pPortalRender->IsRenderingPortal() ? 1 : 0 );
+		return;
+	}
+#endif
+}
+
+
+//-----------------------------------------------------------------------------
+// Indicates whether the client should render particle systems
+//-----------------------------------------------------------------------------
+void CClientTools::EnableParticleSystems( bool bEnable )
+{
+	ParticleMgr()->RenderParticleSystems( bEnable );
+}
+
+
+//-----------------------------------------------------------------------------
+// Is the game rendering in 3rd person mode?
+//-----------------------------------------------------------------------------
+bool CClientTools::IsRenderingThirdPerson() const
+{			  
+	return !C_BasePlayer::LocalPlayerInFirstPersonView();
+}
+
+
+//-----------------------------------------------------------------------------
+// Reload particle definitions
+//-----------------------------------------------------------------------------
+void CClientTools::ReloadParticleDefintions( const char *pFileName, const void *pBufData, int nLen )
+{
+	// Remove all new effects, because we are going to free internal structures they point to
+	ParticleMgr()->RemoveAllNewEffects();
+
+	// FIXME: Use file name to determine if we care about this data
+	CUtlBuffer buf( pBufData, nLen, CUtlBuffer::READ_ONLY );
+	g_pParticleSystemMgr->ReadParticleConfigFile( buf, true );
+}