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#include "DarkGDK.h"

//Function Prototypes
void MovePlayer();
void Jump();
void Gravity();
void Shoot(int sX, int sY, int sZ, int dX, int dY, int dZ);



//Global Vars
int PlayerSpeed = 12;

bool CanJump = true;
bool CanJumpB = true;
bool CanShoot = true;
bool ApplyGravity = true;
int GravityStr = 20;
float Sensitivity=0.5;

int PlayerJumpVelocity = 0;
float playerAngleY = 0;
float playerAngleX = 0;
float playerAngleZ = 0;




void DarkGDK(void)
{
	dbSyncOn();
	dbSyncRate(60);
	dbSetDisplayMode(800, 600, 32);
	dbSetWindowOff();

	dbLoadImage("MetalTexture.bmp", 1);
	if(dbImageExist(1))
	{
		//Loads map
		dbLoadObject("Map3.dbo", 1);
	//	dbScaleObject(1, 300, 300, 300);
	//	dbPositionObject(1, 500, 0, 0);
		dbSetObjectCollisionToPolygons(1);

		//Load Player
		dbLoadObject("HandGun.x", 3);
		dbSetObjectCollisionOff(3);
		

		//Load player collision Box
		dbMakeObjectCube(2, 40);
		dbPositionObject(2, 0, 750, 0);
		dbSetObjectCollisionToBoxes(2);
		dbHideObject(2);

		//Head Hit box
		dbMakeObjectSphere(4, 35, 5, 5);
		dbPositionObject(4, 0, 700, 0);
		dbHideObject(4);


		//Initialize cameras
		dbMakeCamera(1);
		dbSetCurrentCamera(1);
		dbPositionCamera(1, 0, 1050, -50);
		dbSetCameraRange(1, 5, 15000);

		dbSetAmbientLight(200);
		dbHideMouse();

		int fps=0;
		char* tFPS=new char[15];
		while(LoopGDK())
		{
			fps = dbScreenFPS();
			tFPS= dbStr(fps);
			dbText(0,0, tFPS);
			delete[] tFPS;

			dbPositionMouse(20,20);
		
			MovePlayer();
			Jump();
			Gravity();

			//Rotates and positions  the camera
			playerAngleX += dbMouseMoveY()*Sensitivity;
			playerAngleY += dbMouseMoveX()*Sensitivity;
			dbRotateCamera(1, playerAngleX, playerAngleY, 0);
			dbPositionCamera(dbObjectPositionX(2), dbObjectPositionY(2)+130,dbObjectPositionZ(2));

			//Orients the objects to where the player is looking
			dbRotateObject(2, 0, dbCameraAngleY(1), 0);
			dbRotateObject(3, 0, dbCameraAngleY(1), 0);

			//Moves hit box
			dbPositionObject(4, dbCameraPositionX(1) , dbCameraPositionY(1) , dbCameraPositionZ(1));

			//Move Gun
			dbPositionObject(3, dbCameraPositionX(1) , dbCameraPositionY(1) , dbCameraPositionZ(1));
			dbRotateObject(3, dbCameraAngleX(1), dbCameraAngleY(1), dbCameraAngleZ(1));
			dbSync ( );
		}

		dbDeleteObject(1);
		dbDeleteObject(2);
		dbDeleteObject(3);
		dbDeleteObject(4);

		dbDeleteImage(1);
		dbDeleteImage(2);
		dbDeleteCamera(1);
		dbShowMouse();
	}
	else
	{
		dbPrint("Texture not loaded");
		dbWaitKey();
	}

	return;
}
void MovePlayer()
{
	dbRotateObject(2, 0, playerAngleY, 0);
	CanShoot = true;
	if(dbKeyState(17))
	{
		dbMoveObject(2, PlayerSpeed);
		if(dbObjectCollision(2, 1))
		{
			dbMoveObject(2, -PlayerSpeed);
		}

	}
	if(dbKeyState(31))
	{
		dbMoveObject(2, -PlayerSpeed);
		if(dbObjectCollision(2, 1))
		{
			dbMoveObject(2, PlayerSpeed);
		}
	}
	if(dbKeyState(30))
	{
		dbMoveObjectLeft(2, PlayerSpeed);
		if(dbObjectCollision(2, 1))
		{
			dbMoveObjectLeft(2, -PlayerSpeed);
		}
	}
	if(dbKeyState(32))
	{
		dbMoveObjectRight(2, PlayerSpeed);
		if(dbObjectCollision(2, 1))
		{
			dbMoveObjectRight(2, -PlayerSpeed);
		}
	}
}
void Gravity()
{
	dbRotateObject(2, 0, playerAngleY, 0);

	if(PlayerJumpVelocity>0)
		PlayerJumpVelocity--;

	dbMoveObjectDown(2, GravityStr-PlayerJumpVelocity);
	if(dbObjectCollision(2, 1))
	{
		CanJump = true;
		dbMoveObjectDown(2, -(GravityStr-PlayerJumpVelocity));
	}
	if(dbObjectCollision(4, 1))
	{
		PlayerJumpVelocity=0;
		dbMoveObjectDown(2, GravityStr-PlayerJumpVelocity);
	}
}
void Jump()
{
	if(dbSpaceKey())
	{
		if(CanJump&&CanJumpB)
		{
			CanJump=false;
			CanJumpB=false;
			PlayerJumpVelocity=40;
		}
	}
	else
		CanJumpB=true;

}

//You need these before the void DarkGDK(){ }
float g_fSpeed = 0.1f;
float g_fTurn = 0.03f;
float OldCamAngleY;
float OldCamAngleX;
float CameraAngleY;
float CameraAngleX;

//***********************************

//Call this in your loop.
void userInput ( void )
{
	dbControlCameraUsingArrowKeys ( 0, g_fSpeed, g_fTurn );

	OldCamAngleY = CameraAngleY;
	OldCamAngleX = CameraAngleX;

	CameraAngleY = dbWrapValue ( CameraAngleY + dbMouseMoveX ( ) * 0.4f );
	CameraAngleX = dbWrapValue ( CameraAngleX + dbMouseMoveY ( ) * 0.4f );

	dbYRotateCamera ( dbCurveAngle ( CameraAngleY, OldCamAngleY, 24 ) );
	dbXRotateCamera ( dbCurveAngle ( CameraAngleX, OldCamAngleX, 24 ) );

	char* szKey = dbInKey ( );

	if ( strcmp ( szKey, "+" ) == 0 )
	{
		if ( g_fSpeed < 1000 )
			g_fSpeed = g_fSpeed + 0.01f;
	}

	if ( strcmp ( szKey, "-" ) == 0 )
	{
		if ( g_fSpeed > 0.02f )
			g_fSpeed = g_fSpeed - 0.01f;
	}
}