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hammer/mapfrustum.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef MAPFRUSTUM_H
+#define MAPFRUSTUM_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "MapHelper.h"
+#include "MapFace.h"
+#include "fgdlib/WCKeyValues.h"
+
+
+class CHelperInfo;
+class CRender3D;
+
+
+class CMapFrustum : public CMapHelper
+{
+public:
+
+	DECLARE_MAPCLASS(CMapFrustum,CMapHelper);
+	
+	//
+	// Factory for building from a list of string parameters.
+	//
+	static CMapClass *Create(CHelperInfo *pInfo, CMapEntity *pParent);
+	
+	//
+	// Construction/destruction:
+	//
+	CMapFrustum(void);
+	~CMapFrustum(void);
+
+	void BuildFrustumFaces();
+	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.
+
+	const char* GetDescription() { return("Frustum helper"); }
+
+	void OnParentKeyChanged( const char* key, const char* value );
+	bool ShouldRenderLast(void) { return(true); }
+	void GetAngles(QAngle& fAngles);
+
+
+private:
+
+	CMapFace* CreateMapFace( const Vector &v1, const Vector &v2, const Vector &v3, const Vector &v4, float flAlpha );
+
+
+protected:
+
+	CMapFaceList m_Faces;
+
+	float m_flFOV;
+	float m_flNearPlane;
+	float m_flFarPlane;
+	float m_flPitchScale;
+	float m_fBrightness;
+
+	QAngle m_Angles;	
+	char m_szFOVKeyName[KEYVALUE_MAX_KEY_LENGTH];
+	char m_szColorKeyName[KEYVALUE_MAX_KEY_LENGTH];
+	char m_szNearPlaneKeyName[KEYVALUE_MAX_KEY_LENGTH];
+	char m_szFarPlaneKeyName[KEYVALUE_MAX_KEY_LENGTH];
+};
+
+#endif // MAPFRUSTUM_H