1 files changed, 173 insertions, 173 deletions
diff --git a/mp/src/public/mathlib/lightdesc.h b/mp/src/public/mathlib/lightdesc.h
index d03e3e19..1096d623 100644
--- a/mp/src/public/mathlib/lightdesc.h
+++ b/mp/src/public/mathlib/lightdesc.h
@@ -1,173 +1,173 @@
-//========= Copyright Valve Corporation, All rights reserved. ============//
-//
-// Purpose: 
-//
-//===========================================================================//
-
-// light structure definitions.
-#ifndef LIGHTDESC_H
-#define LIGHTDESC_H
-
-#include <mathlib/ssemath.h>
-#include <mathlib/vector.h>
-
-//-----------------------------------------------------------------------------
-// Light structure
-//-----------------------------------------------------------------------------
-
-enum LightType_t
-{
-	MATERIAL_LIGHT_DISABLE = 0,
-	MATERIAL_LIGHT_POINT,
-	MATERIAL_LIGHT_DIRECTIONAL,
-	MATERIAL_LIGHT_SPOT,
-};
-
-enum LightType_OptimizationFlags_t
-{
-	LIGHTTYPE_OPTIMIZATIONFLAGS_HAS_ATTENUATION0 = 1,
-	LIGHTTYPE_OPTIMIZATIONFLAGS_HAS_ATTENUATION1 = 2,
-	LIGHTTYPE_OPTIMIZATIONFLAGS_HAS_ATTENUATION2 = 4,
-	LIGHTTYPE_OPTIMIZATIONFLAGS_DERIVED_VALUES_CALCED = 8,
-};
-
-struct LightDesc_t 
-{
-    LightType_t m_Type;										//< MATERIAL_LIGHT_xxx
-	Vector m_Color;											//< color+intensity 
-    Vector m_Position;										//< light source center position
-    Vector m_Direction;										//< for SPOT, direction it is pointing
-    float  m_Range;											//< distance range for light.0=infinite
-    float m_Falloff;										//< angular falloff exponent for spot lights
-    float m_Attenuation0;									//< constant distance falloff term
-    float m_Attenuation1;									//< linear term of falloff
-    float m_Attenuation2;									//< quadatic term of falloff
-    float m_Theta;											//< inner cone angle. no angular falloff 
-															//< within this cone
-    float m_Phi;											//< outer cone angle
-
-	// the values below are derived from the above settings for optimizations
-	// These aren't used by DX8. . used for software lighting.
-	float m_ThetaDot;
-	float m_PhiDot;
-	unsigned int m_Flags;
-protected:
-	float OneOver_ThetaDot_Minus_PhiDot;
-	float m_RangeSquared;
-public:
-
-	void RecalculateDerivedValues(void);			 // calculate m_xxDot, m_Type for changed parms
-
-	LightDesc_t(void)
-	{
-	}
-
-	// constructors for various useful subtypes
-
-	// a point light with infinite range
-	LightDesc_t( const Vector &pos, const Vector &color )
-	{
-		InitPoint( pos, color );
-	}
-	
-	/// a simple light. cone boundaries in radians. you pass a look_at point and the
-	/// direciton is derived from that.
-	LightDesc_t( const Vector &pos, const Vector &color, const Vector &point_at,
-				float inner_cone_boundary, float outer_cone_boundary )
-	{
-		InitSpot( pos, color, point_at, inner_cone_boundary, outer_cone_boundary );
-	}
-
-	void InitPoint( const Vector &pos, const Vector &color );
-	void InitDirectional( const Vector &dir, const Vector &color );
-	void InitSpot(const Vector &pos, const Vector &color, const Vector &point_at,
-		float inner_cone_boundary, float outer_cone_boundary );
-
-	/// Given 4 points and 4 normals, ADD lighting from this light into "color".
-	void ComputeLightAtPoints( const FourVectors &pos, const FourVectors &normal,
-							   FourVectors &color, bool DoHalfLambert=false ) const;
-	void ComputeNonincidenceLightAtPoints( const FourVectors &pos, FourVectors &color ) const;
-	void ComputeLightAtPointsForDirectional( const FourVectors &pos,
-											 const FourVectors &normal,
-											 FourVectors &color, bool DoHalfLambert=false ) const;
-
-	// warning - modifies color!!! set color first!!
-	void SetupOldStyleAttenuation( float fQuadatricAttn, float fLinearAttn, float fConstantAttn );
-
-	void SetupNewStyleAttenuation( float fFiftyPercentDistance, float fZeroPercentDistance );
-
-
-/// given a direction relative to the light source position, is this ray within the
-	/// light cone (for spotlights..non spots consider all rays to be within their cone)
-	bool IsDirectionWithinLightCone(const Vector &rdir) const
-	{
-		return ((m_Type!=MATERIAL_LIGHT_SPOT) || (rdir.Dot(m_Direction)>=m_PhiDot));
-	}
-
-	float OneOverThetaDotMinusPhiDot() const
-	{
-		return OneOver_ThetaDot_Minus_PhiDot;
-	}
-};
-
-
-//-----------------------------------------------------------------------------
-// a point light with infinite range
-//-----------------------------------------------------------------------------
-inline void LightDesc_t::InitPoint( const Vector &pos, const Vector &color )
-{
-	m_Type=MATERIAL_LIGHT_POINT;
-	m_Color=color;
-	m_Position=pos;
-	m_Range=0.0;									// infinite
-	m_Attenuation0=1.0;
-	m_Attenuation1=0;
-	m_Attenuation2=0;
-	RecalculateDerivedValues();
-}
-
-
-//-----------------------------------------------------------------------------
-// a directional light with infinite range
-//-----------------------------------------------------------------------------
-inline void LightDesc_t::InitDirectional( const Vector &dir, const Vector &color )
-{
-	m_Type=MATERIAL_LIGHT_DIRECTIONAL;
-	m_Color=color;
-	m_Direction=dir;
-	m_Range=0.0;									// infinite
-	m_Attenuation0=1.0;
-	m_Attenuation1=0;
-	m_Attenuation2=0;
-	RecalculateDerivedValues();
-}
-
-
-//-----------------------------------------------------------------------------
-// a simple light. cone boundaries in radians. you pass a look_at point and the
-// direciton is derived from that.
-//-----------------------------------------------------------------------------
-inline void LightDesc_t::InitSpot(const Vector &pos, const Vector &color, const Vector &point_at,
-	float inner_cone_boundary, float outer_cone_boundary)
-{
-	m_Type=MATERIAL_LIGHT_SPOT;
-	m_Color=color;
-	m_Position=pos;
-	m_Direction=point_at;
-	m_Direction-=pos;
-	VectorNormalizeFast(m_Direction);
-	m_Falloff=5.0;										// linear angle falloff
-	m_Theta=inner_cone_boundary;
-	m_Phi=outer_cone_boundary;
-
-	m_Range=0.0;										// infinite
-
-	m_Attenuation0=1.0;
-	m_Attenuation1=0;
-	m_Attenuation2=0;
-	RecalculateDerivedValues();
-}
-
-
-#endif
-
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+// light structure definitions.
+#ifndef LIGHTDESC_H
+#define LIGHTDESC_H
+
+#include <mathlib/ssemath.h>
+#include <mathlib/vector.h>
+
+//-----------------------------------------------------------------------------
+// Light structure
+//-----------------------------------------------------------------------------
+
+enum LightType_t
+{
+	MATERIAL_LIGHT_DISABLE = 0,
+	MATERIAL_LIGHT_POINT,
+	MATERIAL_LIGHT_DIRECTIONAL,
+	MATERIAL_LIGHT_SPOT,
+};
+
+enum LightType_OptimizationFlags_t
+{
+	LIGHTTYPE_OPTIMIZATIONFLAGS_HAS_ATTENUATION0 = 1,
+	LIGHTTYPE_OPTIMIZATIONFLAGS_HAS_ATTENUATION1 = 2,
+	LIGHTTYPE_OPTIMIZATIONFLAGS_HAS_ATTENUATION2 = 4,
+	LIGHTTYPE_OPTIMIZATIONFLAGS_DERIVED_VALUES_CALCED = 8,
+};
+
+struct LightDesc_t 
+{
+    LightType_t m_Type;										//< MATERIAL_LIGHT_xxx
+	Vector m_Color;											//< color+intensity 
+    Vector m_Position;										//< light source center position
+    Vector m_Direction;										//< for SPOT, direction it is pointing
+    float  m_Range;											//< distance range for light.0=infinite
+    float m_Falloff;										//< angular falloff exponent for spot lights
+    float m_Attenuation0;									//< constant distance falloff term
+    float m_Attenuation1;									//< linear term of falloff
+    float m_Attenuation2;									//< quadatic term of falloff
+    float m_Theta;											//< inner cone angle. no angular falloff 
+															//< within this cone
+    float m_Phi;											//< outer cone angle
+
+	// the values below are derived from the above settings for optimizations
+	// These aren't used by DX8. . used for software lighting.
+	float m_ThetaDot;
+	float m_PhiDot;
+	unsigned int m_Flags;
+protected:
+	float OneOver_ThetaDot_Minus_PhiDot;
+	float m_RangeSquared;
+public:
+
+	void RecalculateDerivedValues(void);			 // calculate m_xxDot, m_Type for changed parms
+
+	LightDesc_t(void)
+	{
+	}
+
+	// constructors for various useful subtypes
+
+	// a point light with infinite range
+	LightDesc_t( const Vector &pos, const Vector &color )
+	{
+		InitPoint( pos, color );
+	}
+	
+	/// a simple light. cone boundaries in radians. you pass a look_at point and the
+	/// direciton is derived from that.
+	LightDesc_t( const Vector &pos, const Vector &color, const Vector &point_at,
+				float inner_cone_boundary, float outer_cone_boundary )
+	{
+		InitSpot( pos, color, point_at, inner_cone_boundary, outer_cone_boundary );
+	}
+
+	void InitPoint( const Vector &pos, const Vector &color );
+	void InitDirectional( const Vector &dir, const Vector &color );
+	void InitSpot(const Vector &pos, const Vector &color, const Vector &point_at,
+		float inner_cone_boundary, float outer_cone_boundary );
+
+	/// Given 4 points and 4 normals, ADD lighting from this light into "color".
+	void ComputeLightAtPoints( const FourVectors &pos, const FourVectors &normal,
+							   FourVectors &color, bool DoHalfLambert=false ) const;
+	void ComputeNonincidenceLightAtPoints( const FourVectors &pos, FourVectors &color ) const;
+	void ComputeLightAtPointsForDirectional( const FourVectors &pos,
+											 const FourVectors &normal,
+											 FourVectors &color, bool DoHalfLambert=false ) const;
+
+	// warning - modifies color!!! set color first!!
+	void SetupOldStyleAttenuation( float fQuadatricAttn, float fLinearAttn, float fConstantAttn );
+
+	void SetupNewStyleAttenuation( float fFiftyPercentDistance, float fZeroPercentDistance );
+
+
+/// given a direction relative to the light source position, is this ray within the
+	/// light cone (for spotlights..non spots consider all rays to be within their cone)
+	bool IsDirectionWithinLightCone(const Vector &rdir) const
+	{
+		return ((m_Type!=MATERIAL_LIGHT_SPOT) || (rdir.Dot(m_Direction)>=m_PhiDot));
+	}
+
+	float OneOverThetaDotMinusPhiDot() const
+	{
+		return OneOver_ThetaDot_Minus_PhiDot;
+	}
+};
+
+
+//-----------------------------------------------------------------------------
+// a point light with infinite range
+//-----------------------------------------------------------------------------
+inline void LightDesc_t::InitPoint( const Vector &pos, const Vector &color )
+{
+	m_Type=MATERIAL_LIGHT_POINT;
+	m_Color=color;
+	m_Position=pos;
+	m_Range=0.0;									// infinite
+	m_Attenuation0=1.0;
+	m_Attenuation1=0;
+	m_Attenuation2=0;
+	RecalculateDerivedValues();
+}
+
+
+//-----------------------------------------------------------------------------
+// a directional light with infinite range
+//-----------------------------------------------------------------------------
+inline void LightDesc_t::InitDirectional( const Vector &dir, const Vector &color )
+{
+	m_Type=MATERIAL_LIGHT_DIRECTIONAL;
+	m_Color=color;
+	m_Direction=dir;
+	m_Range=0.0;									// infinite
+	m_Attenuation0=1.0;
+	m_Attenuation1=0;
+	m_Attenuation2=0;
+	RecalculateDerivedValues();
+}
+
+
+//-----------------------------------------------------------------------------
+// a simple light. cone boundaries in radians. you pass a look_at point and the
+// direciton is derived from that.
+//-----------------------------------------------------------------------------
+inline void LightDesc_t::InitSpot(const Vector &pos, const Vector &color, const Vector &point_at,
+	float inner_cone_boundary, float outer_cone_boundary)
+{
+	m_Type=MATERIAL_LIGHT_SPOT;
+	m_Color=color;
+	m_Position=pos;
+	m_Direction=point_at;
+	m_Direction-=pos;
+	VectorNormalizeFast(m_Direction);
+	m_Falloff=5.0;										// linear angle falloff
+	m_Theta=inner_cone_boundary;
+	m_Phi=outer_cone_boundary;
+
+	m_Range=0.0;										// infinite
+
+	m_Attenuation0=1.0;
+	m_Attenuation1=0;
+	m_Attenuation2=0;
+	RecalculateDerivedValues();
+}
+
+
+#endif
+