enginecontext.h

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/*
        Skyscraper 2.0 - Engine Context
        Copyright (C)2004-2024 Ryan Thoryk
        https://www.skyscrapersim.net
        https://sourceforge.net/projects/skyscraper/
        Contact - ryan@skyscrapersim.net
 
        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU General Public License
        as published by the Free Software Foundation; either version 2
        of the License, or (at your option) any later version.
 
        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.
 
        You should have received a copy of the GNU General Public License
        along with this program; if not, write to the Free Software
        Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
 
#ifndef ENGINECONTEXT_H
#define ENGINECONTEXT_H
 
#include "vm.h"
 
namespace Skyscraper {
 
class ScriptProcessor;
 
class VMIMPEXP EngineContext
{
public:
 
        bool Reload;
        bool Moved; //true if engine has been moved on startup
        bool started;
        bool NewEngine; //true if this is a new engine
        unsigned long current_time, time_stat;
        bool Paused;
 
        EngineContext(EngineContext *parent, VM *vm, Ogre::SceneManager* mSceneManager, FMOD::System *fmodsystem, const Vector3 &position = Vector3::ZERO, Real rotation = 0.0, const Vector3 &area_min = Vector3::ZERO, const Vector3 &area_max = Vector3::ZERO);
        EngineContext(EngineContext *parent, VM *vm, Ogre::SceneManager* mSceneManager, const Vector3 &position = Vector3::ZERO, Real rotation = 0.0, const Vector3 &area_min = Vector3::ZERO, const Vector3 &area_max = Vector3::ZERO);
        ~EngineContext();
        void Init(EngineContext *parent, VM *vm, Ogre::SceneManager* mSceneManager, const Vector3 &position, Real rotation, const Vector3 &area_min, const Vector3 &area_max);
        ScriptProcessor* GetScriptProcessor();
        ::SBS::SBS *GetSystem() { return Simcore; }
        bool IsCameraActive();
        bool Run();
        void Shutdown();
        bool GetShutdownState() { return shutdown; }
        bool Load(std::string filename);
        bool IsLoading() { return loading; }
        bool IsRunning() { return running; }
        bool IsReloading() { return reloading; }
        void DoReload();
        std::string GetFilename();
        bool Start(std::vector<Ogre::Camera*> &cameras);
        void Report(const std::string &message);
        bool ReportError(const std::string &message);
        bool ReportFatalError(const std::string &message);
        bool IsLoadingFinished();
        bool UpdateProgress(int percent);
        int GetProgress() { return progress; }
        int GetNumber() { return instance; }
        ::SBS::CameraState GetCameraState();
        void SetCameraState(const ::SBS::CameraState &state, bool set_floor = true);
        bool IsInside();
        bool IsInside(const Vector3 &position);
        void DetachCamera(bool reset_building = false);
        void AttachCamera(std::vector<Ogre::Camera*> &cameras, bool init_state = true);
        void RefreshCamera();
        void ResetCamera();
        void RevertMovement();
        Vector3 GetCameraPosition();
        void OnEnter();
        void OnExit();
        void CutForEngine(EngineContext *engine);
        void AddChild(EngineContext *engine);
        void RemoveChild(EngineContext *engine);
        void RemoveParent() { parent = 0; }
        void Move(Vector3 &position, bool move_children = false);
        EngineContext* GetParent() { return parent; }
        bool IsParent(EngineContext *engine, bool recursive = false);
        VM* GetVM();
        bool InRunloop();
        bool IsRoot();
        bool InitSim();
        bool LoadDefault();
        void Boot();
        void GatherReset();
        void Gather();
        void ResetPrepare();
 
private:
 
        void StartSim();
        void UnloadSim();
        void Init();
 
        ScriptProcessor* processor; //script processor
        ::SBS::SBS *Simcore; //sim engine instance
        int instance; //instance number
        EngineContext *parent; //parent engine
        unsigned long finish_time;
        bool shutdown;
        bool loading;
        bool running;
        bool reloading;
        bool raised;
        int progress;
        bool inside;
        std::string InstancePrompt;
        bool prepared;
 
        //override information
        ::SBS::CameraState *reload_state;
 
        Ogre::SceneManager* mSceneManager;
        FMOD::System *fmodsystem;
        Vector3 position;
        Vector3 area_min;
        Vector3 area_max;
        Real rotation;
 
        //child engines
        std::vector<EngineContext*> children;
 
        //VM instance
        VM *vm;
};
 
}
 
#endif