// Ive written must of this while I was half a sleep, probably explains
// any wierdness within the code. Saying that Im always half asleep ???


#include <stdio.h>
#include <libps.h>
#include "pad.h"
#include "addrs.h"
//#include "3dgraph.h"
#include "height.h"

// DEFINES
//---------

#define TITLE 	   (0)
#define GAME  	   (1)

#define QUIT	   (9)


//world constants
#define GRAVITY (0)
#define FRICTION (0)

// STRUCTS / UNION
//-----------------




// PROTOTYPES
//------------

void UpdateWorldTitle();
void RenderWorldTitle();
u_long ProcessUserInputTitle();

void UpdateWorldGame();
void RenderWorldGame();
u_long ProcessUserInputGame();


// GLOBALS
//---------


// We need a viewing system for 3D graphics
GsRVIEW2        ViewPoint;
u_long PADstatus=0;

u_long VerticalSync=0;

//////////////////////////////////////////////////////////////////////

// FUNCTIONS
//-----------

// ** TITLE SCREEN FUNCTIONS **

//
void RenderWorldTitle()
{

   RenderPrepare();


   FntPrint(" Title Screen\n\n ");
   FntPrint(" X = starts\n ");
   FntPrint(" select and start = Quits ");
   FntFlush(-1);

   RenderFinish();
}

//
void UpdateWorldTitle()
{
};

//
u_long ProcessUserInputTitle()
{
	// create PAD variable to hold states of both joypads
	u_long	PAD = PadRead();

	// standard check. Quit if pad1 has start + select pressed
	if ((PAD& PADstart) && (PAD& PADselect)) return(QUIT);
	if (PAD& PADcross) return (GAME);

	//if (PAD& PADLup)  ;
	//if (PAD& PADLdown);

	return(TITLE);
}

///////////////////////////////////////////////////////////////////////
// ** GAME FUNCTIONS **

// This function deals with double buffering and drawing of 3D objects
void RenderWorldGame()
{
    RenderPrepare();

    DrawMap();

    VerticalSync = VSync(0);
    //print your message
    FntPrint("Game\n");
    FntPrint(" \n%d/320\n ",VerticalSync);
    FntPrint("X =%d\n", ViewPoint.vpx);
    FntPrint("Y =%d\n", ViewPoint.vpy);


    // force text output to the PSX screen
    FntFlush(-1);

    RenderFinish();
}


//
void UpdateWorldGame()
{
     // UpdateMap();
    //RotateModelMatrix(&test.Object_Coord,10,10,10);

    //Update scores and titles etc
};

//
u_long ProcessUserInputGame()
{
	// create PAD variable to hold states of both joypads
	u_long	PAD = PadRead();
	// standard check. Quit if pad1 has start pressed



	if (PAD& PADstart) return(TITLE);

	if (PAD& PADLleft) MoveModel(&tileModel[0].Object_Coord,0,0,100);
	if (PAD& PADLright)MoveModel(&tileModel[0].Object_Coord,0,0,-100);

	if (PAD& PADLdown) MoveModel(&tileModel[0].Object_Coord,0,100,0);
	if (PAD& PADLup)   MoveModel(&tileModel[0].Object_Coord,0,-100,0);

	if (PAD& PADcross) RotateMap(0,0,30);
	if (PAD& PADtriangle) RotateMap(0,0,-30);
	if (PAD& PADsquare) RotateMap(0,30,0);
	if(PAD& PADcircle) RotateMap(0,-30,0);

	if(PAD& PADselect)
	{
		tileModel[0].Object_Coord.coord = GsIDMATRIX;


	}

	return(GAME);
}



////////////////////////////////////////////////////////////////////////

int main()
{
	u_long GameRunning = TRUE; // FLAG Has game been exited
	u_long GameState   = TITLE;// FLAG Which part of game are we in. (e.g title)


	// set up print-to-screen font, the parameters are where the font is
	// loaded into the frame buffer
	FntLoad(960, 256);
	//specify where to write on the PSX screen
	FntOpen(-150, -110, 300, 220, 0, 512);
	// initialise the joypad
	PadInit();
	// initialise graphics
	Initialise3DGraphics();
	// Setup view to view the car from the side
	InitialiseView(&ViewPoint,250, 0, 0, -1000, 0, 0, 0, 0 );
	InitialiseLights();

	SetupMap();

	while(GameRunning == TRUE)
	{
		while(GameState == TITLE)
		{
			GameState = ProcessUserInputTitle();
			UpdateWorldTitle();
			RenderWorldTitle();
		}

		while(GameState == GAME)
		{
			GameState = ProcessUserInputGame();
			UpdateWorldGame();
			RenderWorldGame();
		}

		if(GameState == QUIT)
		{
			GameRunning = FALSE;
		}
	}

	// clean up
	ResetGraph(3);
	return 0;
}