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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _CAMERA_HANDLER_H
#define _CAMERA_HANDLER_H
#include <vector>
#include <map>
#include <string>
#include <stack>
#include "Console.h"
#include "Camera/CameraController.h"
class CCameraHandler : public CommandReceiver
{
public:
typedef CCameraController::StateMap ViewData;
public:
CCameraHandler();
~CCameraHandler();
void UpdateCam();
void SetCameraMode(unsigned int mode);
void SetCameraMode(const std::string& mode);
void PushMode();
void PopMode();
void CameraTransition(float time);
void ToggleState();
void ToggleOverviewCamera();
void SaveView(const std::string& name);
bool LoadView(const std::string& name);
int GetModeIndex(const std::string& modeName) const;
/**
* @brief write current camera settings in a vector
*/
void GetState(CCameraController::StateMap& sm) const;
/**
* @brief restore a camera state
* @param sm the state to set
* @return false when vector has wrong size or garbage data, true when aplied without errors
*/
bool SetState(const CCameraController::StateMap& sm);
CCameraController& GetCurrentController() { return *currCamCtrl; }
int GetCurrentControllerNum() const { return currCamCtrlNum; }
const std::string GetCurrentControllerName() const;
const std::vector<CCameraController*>& GetAvailableControllers() const { return camControllers; }
virtual void PushAction(const Action&);
enum {
CAMERA_MODE_FIRSTPERSON = 0,
CAMERA_MODE_OVERHEAD = 1,
CAMERA_MODE_TOTALWAR = 2,
CAMERA_MODE_ROTOVERHEAD = 3,
CAMERA_MODE_FREE = 4,
CAMERA_MODE_SMOOTH = 5,
CAMERA_MODE_ORBIT = 6,
CAMERA_MODE_OVERVIEW = 7,
CAMERA_MODE_LAST = 8,
};
private:
std::vector<CCameraController*> camControllers;
std::stack<unsigned int> controllerStack;
CCameraController* currCamCtrl;
unsigned int currCamCtrlNum;
float cameraTime;
float cameraTimeLeft;
float cameraTimeFactor;
float cameraTimeExponent;
bool LoadViewData(const ViewData& vd);
std::map<std::string, ViewData> views;
std::map<std::string, unsigned int> nameMap;
};
extern CCameraHandler* camHandler;
#endif // _CAMERA_HANDLER_H
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