1 files changed, 83 insertions, 0 deletions
diff --git a/game/server/hl2/ai_spotlight.h b/game/server/hl2/ai_spotlight.h
new file mode 100644
index 0000000..c8a2937
--- /dev/null
+++ b/game/server/hl2/ai_spotlight.h
@@ -0,0 +1,83 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef AI_SPOTLIGHT_H
+#define AI_SPOTLIGHT_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "ai_component.h"
+
+class CBeam;
+class CSprite;
+class SmokeTrail;
+class CSpotlightEnd;
+
+
+//-----------------------------------------------------------------------------
+// Parameters for how the scanner relates to citizens.
+//-----------------------------------------------------------------------------
+enum
+{
+	AI_SPOTLIGHT_NO_DLIGHTS = 0x1,
+};
+
+
+class CAI_Spotlight : public CAI_Component
+{
+	DECLARE_SIMPLE_DATADESC();
+	DECLARE_CLASS_NOBASE( CAI_Spotlight );
+
+public:
+	CAI_Spotlight();
+	~CAI_Spotlight();
+
+	void Init( CAI_BaseNPC *pOuter, int nFlags, float flConstraintAngle, float flMaxLength );
+
+	// Create, destroy the spotlight
+	void SpotlightCreate( int nAttachment, const Vector &vecInitialDir );
+	void SpotlightDestroy(void);
+
+	// Controls the spotlight target position + direction
+	void SetSpotlightTargetPos( const Vector &vSpotlightTargetPos );
+	void SetSpotlightTargetDirection( const Vector &vSpotlightTargetDir );
+
+	// Updates the spotlight. Call every frame!
+	void Update(void);
+
+private:
+	void Precache(void);
+	void CreateSpotlightEntities( void );
+	void UpdateSpotlightDirection( void );
+	void UpdateSpotlightEndpoint( void );
+
+	// Constrain to cone, returns true if it was constrained
+	bool ConstrainToCone( Vector *pDirection );
+
+	// Computes the spotlight endpoint
+	void ComputeEndpoint( const Vector &vecStartPoint, Vector *pEndPoint );
+
+private:
+	CHandle<CBeam>	m_hSpotlight;
+	CHandle<CSpotlightEnd>	m_hSpotlightTarget;
+
+	Vector			m_vSpotlightTargetPos;
+	Vector			m_vSpotlightDir;
+	float			m_flSpotlightCurLength;
+	float			m_flSpotlightMaxLength;
+	float			m_flConstraintAngle;
+	int				m_nHaloSprite;
+	int				m_nSpotlightAttachment;
+	int				m_nFlags;
+	Quaternion		m_vAngularVelocity;
+};
+
+
+#endif // AI_SPOTLIGHT_H
+
+