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DependentExtensions/Ogre3DInterpDemo/AppInterface.h

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+/*
+ *  Copyright (c) 2014, Oculus VR, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  RakNet License.txt file in the licenses directory of this source tree. An additional grant 
+ *  of patent rights can be found in the RakNet Patents.txt file in the same directory.
+ *
+ *  Modified work: Copyright (c) 2017, SLikeSoft UG (haftungsbeschr<68>nkt)
+ *
+ *  This source code was modified by SLikeSoft. Modifications are licensed under the MIT-style
+ *  license found in the license.txt file in the root directory of this source tree.
+ */
+
+#ifndef __APP_INTERFACE_H
+#define __APP_INTERFACE_H
+
+#include "AppTypes.h"
+
+
+class FSM;
+class RunnableState;
+class AppInterface
+{
+public:
+	AppInterface();
+	virtual ~AppInterface();
+	// Called first to initialize memory
+	virtual void PreConfigure(void);
+	// Called after LoadDefaultResources.  Return false to quit.
+	virtual bool Configure(void)=0;
+	// Called to do startup required after Configuration
+	virtual void PostConfigure(const char *defaultResourceConfigurationPath);
+	virtual void Update(AppTime curTimeMS,AppTime elapsedTimeMS);
+	virtual void OnAppShutdown(void);
+
+	// Logging, lifetime may be ignored
+	virtual void DebugOut(unsigned int lifetimeMS, const char *format, ...);
+
+	// Like focus in windows - start and stop rendering but don't necessarily stop running.
+	bool HasFocus(void) const;
+	virtual void SetFocus(bool focus);
+
+	// Built-in state machine
+	void AllocateStates(int numStates);
+	virtual void SetState(int stateType, RunnableState* state);
+	RunnableState* GetState(int stateType) const;
+	RunnableState* GetCurrentState(void) const;
+	void PushState(RunnableState* state);
+	void PushState(int stateType);
+	void PopState(int popCount=1);
+	int GetStateHistorySize(void) const;
+
+	// Just setting a flag
+	virtual bool ShouldQuit(void) const;
+	void Quit(void);
+	AppTime GetLastCurrentTime(void) const;
+	AppTime GetLastElapsedTime(void) const;
+
+protected:
+	// Allocated in PostConfigure
+	FSM *primaryFSM;
+	// Up to the derived class to allocate this using allocateStates
+	RunnableState **primaryStates;
+	AppTime lastElapsedTimeMS, lastCurTimeMS;
+	int primaryStatesLength;
+	bool hasFocus;
+	bool quit;
+};
+
+#endif