#include "GameEngine.h"

GameEngine::GameEngine()
{

}

GameEngine::~GameEngine()
{

}



void GameEngine::Init(bool isDebug)
{
	mDebug = isDebug;

	if (isDebug)
		pspDebugScreenInit();	// do this so that we can use pspDebugScreenPrintf

	sceCtrlSetSamplingCycle(0);
	sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);

	mpGraphicCore = GraphicCore::GetInstance();

	//GraphicCore::Init();
	mpSoundCore = SoundCore::GetInstance();
	//mSoundCore->Init();
	//SoundCore::GetInstance()->Init();

	mDone = false;


	Create();

	mTickFrequency = sceRtcGetTickResolution();
	sceRtcGetCurrentTick(&mLastTime);
}


void GameEngine::End()
{
	mDone = true;
}



int GameEngine::Timer_GetTime(void)
{
	u64 curr;
	sceRtcGetCurrentTick(&curr);
	return (int)(curr / mTickFrequency);
}


float GameEngine::Timer_GetDelta()
{
	return mDelta;
}


float GameEngine::Timer_GetFPS()
{
	return 1000.0f / mDelta;
}


void GameEngine::Run()
{

	u64 curr;
	while (!mDone)
	{
		sceRtcGetCurrentTick(&curr);

		mDelta = (curr-mLastTime) / (float)mTickFrequency * 1000.0f;
		mLastTime = curr;


		sceCtrlPeekBufferPositive(&mCtrlPad, 1);	// using sceCtrlPeekBufferPositive is faster than sceCtrlReadBufferPositive
													// because sceCtrlReadBufferPositive waits for vsync internally

		Update();

		mpGraphicCore->BeginRender();
		Render();
		mpGraphicCore->EndRender();

		mOldButtons = mCtrlPad.Buttons;


		if(GetButtonState(PSP_CTRL_LTRIGGER))
		{

			mDebug = !mDebug;
		}

	}

//	GraphicCore::Destroy();

//	SoundCore::GetInstance()->Destroy();
}