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hammer/ToolCamera.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CAMERA3D_H
+#define CAMERA3D_H
+#pragma once
+
+
+#include "Tool3D.h"
+#include "ToolInterface.h"
+#include "utlvector.h"
+#pragma warning(push, 1)
+#pragma warning(disable:4701 4702 4530)
+#include <fstream>
+#pragma warning(pop)
+
+
+
+class CChunkFile;
+class CSaveInfo;
+
+
+enum ChunkFileResult_t;
+
+
+//
+// Defines a camera position/look pair.
+//
+struct CAMSTRUCT
+{
+	// index 0 = camera origin, 1 = pos look to
+	Vector position[2];
+};
+
+
+class Camera3D : public Tool3D
+{
+public:
+
+	Camera3D(void);
+
+	enum SNCTYPE
+	{
+		sncNext = -1,
+		sncFirst = 0,
+		sncPrev = 1
+	};
+
+	int GetActiveCamera(void) { return m_iActiveCamera; }
+	void GetCameraPos(Vector &vViewPos, Vector &vLookAt);
+	void UpdateActiveCamera(Vector &vViewPos, Vector &vLookAt);
+
+	//
+	// Serialization.
+	//
+	const char *GetVMFChunkName() { return "cameras"; }
+	ChunkFileResult_t LoadVMF(CChunkFile *pFile);
+	ChunkFileResult_t SaveVMF(CChunkFile *pFile, CSaveInfo *pSaveInfo);
+	void SerializeRMF(std::fstream &file, BOOL fIsStoring);
+
+	//
+	// Tool3D implementation.
+	//
+	virtual bool IsEmpty(void);
+	virtual void SetEmpty(void);
+	virtual unsigned int GetConstraints(unsigned int nKeyFlags);
+
+	//
+	// CBaseTool implementation.
+	//
+	virtual ToolID_t GetToolID(void) { return TOOL_CAMERA; }
+
+	virtual bool OnKeyDown2D(CMapView2D *pView, UINT nChar, UINT nRepCnt, UINT nFlags);
+	virtual bool OnLMouseDown2D(CMapView2D *pView, UINT nFlags, const Vector2D &vPoint);
+	virtual bool OnLMouseUp2D(CMapView2D *pView, UINT nFlags, const Vector2D &vPoint);
+	virtual bool OnMouseMove2D(CMapView2D *pView, UINT nFlags, const Vector2D &vPoint);
+
+	virtual bool OnLMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
+	virtual bool OnLMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
+	virtual bool OnRMouseDown3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
+	virtual bool OnRMouseUp3D(CMapView3D *pView, UINT nFlags, const Vector2D &vPoint);
+	virtual bool OnKeyDown3D(CMapView3D *pView, UINT nChar, UINT nRepCnt, UINT nFlags);
+
+	virtual void RenderTool2D(CRender2D *pRender);
+
+protected:
+
+	//
+	// Tool3D implementation.
+	//
+	virtual int  HitTest(CMapView *pView, const Vector2D &vPoint, bool bTestHandles = false);
+	virtual bool UpdateTranslation(const Vector &vUpdate, UINT flags = 0);
+	virtual void FinishTranslation(bool bSave);
+	
+private:
+
+	int GetCameraCount() { return Cameras.Count(); }
+	void AddCamera(CAMSTRUCT &pCamPos);
+	
+	void SetNextCamera(SNCTYPE next);
+	void DeleteActiveCamera(void);
+
+	void OnEscape(void);
+	void EnsureMaxCameras();
+
+	static ChunkFileResult_t LoadCameraKeyCallback(const char *szKey, const char *szValue, CAMSTRUCT *pCam);
+	static ChunkFileResult_t LoadCamerasKeyCallback(const char *szKey, const char *szValue, Camera3D *pCameras);
+	static ChunkFileResult_t LoadCameraCallback(CChunkFile *pFile, Camera3D *pCameras);
+
+	
+
+	CUtlVector<CAMSTRUCT> Cameras;		// The cameras that have been created.
+	CAMSTRUCT m_MoveCamera;
+
+	enum
+	{
+		MovePos = 0,
+		MoveLook = 1,
+	};
+
+	int m_iActiveCamera;
+	int m_nMovePositionIndex;
+	Vector m_vOrgPos;
+};
+
+
+#endif // CAMERA3D_H
+