1 files changed, 122 insertions, 0 deletions
diff --git a/hammer/maplightcone.h b/hammer/maplightcone.h
new file mode 100644
index 0000000..c8b282d
--- /dev/null
+++ b/hammer/maplightcone.h
@@ -0,0 +1,122 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef MAPLIGHTCONE_H
+#define MAPLIGHTCONE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "MapHelper.h"
+#include "MapFace.h"
+#include "fgdlib/WCKeyValues.h"
+
+
+class CHelperInfo;
+class CRender3D;
+
+
+class CMapLightCone : public CMapHelper
+{
+public:
+
+	DECLARE_MAPCLASS(CMapLightCone,CMapHelper);
+	
+	//
+	// Factory for building from a list of string parameters.
+	//
+	static CMapClass *Create(CHelperInfo *pInfo, CMapEntity *pParent);
+	
+	//
+	// Construction/destruction:
+	//
+	CMapLightCone(void);
+	~CMapLightCone(void);
+
+	void CalcBounds(BOOL bFullUpdate = FALSE);
+
+	virtual CMapClass *Copy(bool bUpdateDependencies);
+	virtual CMapClass *CopyFrom(CMapClass *pFrom, bool bUpdateDependencies);
+
+	void Render3D(CRender3D *pRender);
+
+	int SerializeRMF(std::fstream &File, BOOL bRMF);
+	int SerializeMAP(std::fstream &File, BOOL bRMF);
+
+	virtual void PostloadWorld(CMapWorld *pWorld);
+
+	virtual bool IsVisualElement(void) { return(false); } // Only visible when parent entity is selected.
+	virtual bool IsClutter(void) { return true; }
+	virtual bool IsCulledByCordon(const Vector &vecMins, const Vector &vecMaxs) { return false; } // We don't hide unless our parent hides.
+
+	virtual CMapClass *PrepareSelection(SelectMode_t eSelectMode);
+		
+	const char* GetDescription() { return("Light cone helper"); }
+
+	void OnParentKeyChanged( const char* key, const char* value );
+	bool ShouldRenderLast(void) { return(true); }
+	void GetAngles(QAngle& fAngles);
+
+	float GetInnerConeAngle(void) const
+	{
+		return m_fInnerConeAngle;
+	}
+
+	float GetOuterConeAngle(void) const
+	{
+		return m_fOuterConeAngle;
+	}
+
+	Vector GetColor(void) const
+	{
+		float multiplier=m_fBrightness/256.0;
+		Vector ret;
+		ret.x=GammaToLinear(m_LightColor.x/255.0)*multiplier;
+		ret.y=GammaToLinear(m_LightColor.y/255.0)*multiplier;
+		ret.z=GammaToLinear(m_LightColor.z/255.0)*multiplier;
+		return ret;
+	}
+
+	float m_fQuadraticAttn;
+	float m_fLinearAttn;
+	float m_fConstantAttn;
+
+	float m_fFiftyPercentDistance;							// "_fifty_percent_distance" <0 = not
+															// using this mode
+	float m_fZeroPercentDistance;							// "_zero_percent_distance"
+
+
+protected:
+
+	void BuildCone(void);
+	float GetBrightnessAtDist(float fDistance);
+	float GetLightDist(float fBrightness);
+	bool SolveQuadratic(float &x, float y, float A, float B, float C);
+
+	Vector m_LightColor;
+	float m_fBrightness;
+
+
+	float m_fInnerConeAngle;
+	float m_fOuterConeAngle;
+
+	QAngle m_Angles;
+
+	bool m_bPitchSet;
+	float m_fPitch;
+
+	float m_fFocus;
+
+	CMapFaceList m_Faces;
+
+	char m_szColorKeyName[KEYVALUE_MAX_KEY_LENGTH];
+	char m_szInnerConeKeyName[KEYVALUE_MAX_KEY_LENGTH];
+	char m_szOuterConeKeyName[KEYVALUE_MAX_KEY_LENGTH];
+	float m_flPitchScale;
+};
+
+#endif // MAPLIGHTCONE_H