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#include "DarkGDK.h"
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>

using namespace std;

// File Numbers
int groundTile = 1;
int maskTile = 2;
int itemTile = 3;
int playerSprite = 4;
int fringeTile = 5;


// Variables
bool debugEnabled = true;
byte playerSpeed = 2;
byte walkAnimationSpeed = 150;
int playerX = 0;
int playerY = 0;
byte currentDirection = 0;
bool newMap = true;

void playerMovement(int *playerX, int *playerY)
{

	// Standard Movement
	if(dbLeftKey() && dbDownKey() == 0 && dbUpKey() == 0)
	{
		if( currentDirection != 1) { dbSetSpriteFrame(playerSprite,5); }
		currentDirection = 1;
		dbPlaySprite(playerSprite,5,8,walkAnimationSpeed);
		(*playerX) -= playerSpeed;
	}

	if(dbRightKey() && dbDownKey() == 0 && dbUpKey() == 0)
	{
		if( currentDirection != 2) { dbSetSpriteFrame(playerSprite,9); }
		currentDirection = 2;
		dbPlaySprite(playerSprite,9,12,walkAnimationSpeed);
		(*playerX) += playerSpeed;
	}

	if(dbUpKey() && dbLeftKey() == 0 && dbRightKey() == 0)
	{
		if( currentDirection != 3) { dbSetSpriteFrame(playerSprite,13); }
		currentDirection = 3;
		dbPlaySprite(playerSprite,13,16,walkAnimationSpeed);
		(*playerY) -= playerSpeed;
	}

	if(dbDownKey() && dbLeftKey() == 0 && dbRightKey() == 0)
	{
		if( currentDirection != 4) { dbSetSpriteFrame(playerSprite,1); }
		currentDirection = 4;
		dbPlaySprite(playerSprite,1,4,walkAnimationSpeed);
		(*playerY) += playerSpeed;
	}

	// Diagonal Movement
	if(dbLeftKey() && dbUpKey())
	{
		if( currentDirection != 5) { dbSetSpriteFrame(playerSprite,5); }
		currentDirection = 5;
		dbPlaySprite(playerSprite,5,8,walkAnimationSpeed);
		(*playerX) -= playerSpeed;
		(*playerY) -= playerSpeed;
	}

	if(dbRightKey() && dbUpKey())
	{
		if( currentDirection != 6) { dbSetSpriteFrame(playerSprite,9); }
		currentDirection = 6;
		dbPlaySprite(playerSprite,9,12,walkAnimationSpeed);
		(*playerX) += playerSpeed;
		(*playerY) -= playerSpeed;
	}

	if(dbLeftKey() && dbDownKey())
	{
		if( currentDirection != 7) { dbSetSpriteFrame(playerSprite,5); }
		currentDirection = 7;
		dbPlaySprite(playerSprite,5,8,walkAnimationSpeed);
		(*playerX) -= playerSpeed;
		(*playerY) += playerSpeed;
	}

	if(dbRightKey() && dbDownKey())
	{
		if( currentDirection != 8) { dbSetSpriteFrame(playerSprite,9); }
		currentDirection = 8;
		dbPlaySprite(playerSprite,9,12,walkAnimationSpeed);
		(*playerX) += playerSpeed;
		(*playerY) += playerSpeed;
	}

	
		// Check to prevent players leaving screen

		if ((*playerX) > 768)
		{
			dbPasteSprite(playerSprite,768,(*playerY));
			(*playerX) = 768;
		}

		if ((*playerX) < 0)
		{
			dbPasteSprite(playerSprite,0,(*playerY));
			(*playerX) = 0;
		}

		if ((*playerY) < 0)
		{
			dbPasteSprite(playerSprite,(*playerX),0);
			(*playerY) = 0;
		}

		if ((*playerY) > 554)
		{
			dbPasteSprite(playerSprite,(*playerX),554);
			(*playerY) = 554;
		}

		// Teleport helps to debug
		if(dbShiftKey() && dbMouseClick() == 1 && debugEnabled == true)
		{
			(*playerX) = dbMouseX();
			(*playerY) = dbMouseY();
		}

	// Update screen position.
	dbPasteSprite(playerSprite,*playerX,*playerY);
}


void loadFiles(int *groundTile, int *maskTile, int *fringeTile, int *itemTile)
{
	// Set Transparency
	dbSetImageColorKey ( 0, 0, 0 );

	// Load Player Sprite
	dbCreateAnimatedSprite(playerSprite,"Player.png",4,4,playerSprite);
	dbSprite(playerSprite,playerX,playerY,playerSprite);

	// Get Tile size.


	// Load Tilesets
	dbCreateAnimatedSprite((*groundTile),"Tiles.bmp",8,568,(*groundTile)); // Ground
	dbCreateAnimatedSprite((*maskTile),"Tiles.bmp",8,568,(*maskTile)); // Mask
	dbCreateAnimatedSprite((*itemTile),"Items.bmp",6,467,(*itemTile)); // Items
	dbCreateAnimatedSprite((*fringeTile),"Tiles.bmp",8,568,(*fringeTile)); // Fringe


	// Using DbPasteSprite so hide original Sprite
	dbHideSprite((*groundTile));
	dbHideSprite((*maskTile));
	dbHideSprite((*itemTile));
	dbHideSprite(playerSprite);
	dbHideSprite((*fringeTile));

}

void loadMap()
{
	// Variables
	int a = 0; int b = 0;
	string FileContents[500];
	int MapData[1500];
	int  value = 0;
	char comma;
	int XTile = 0;
	int YTile = 0;
	byte mapLayer = 1;

	// Read File
	 string line;
	 ifstream myfile ("Maps/Map1.map");
	 if (myfile.is_open())
	 {
		  while ( myfile.good() )
		 {
			  ++a;
			  getline (myfile,line);
			  FileContents[a] = line;

			  // Split By Commas
	  			stringstream ss(FileContents[a]);

				while (ss >> value)
				{
					++b;
					MapData[b] = value;
					ss >> comma;
				}
		}

		myfile.close();
		a = 0;
		b = 0;
	}

  else
  {
	  MessageBox(NULL,"Map File Missing","Error",NULL);
  }

	
	 while(mapLayer <= 5)
	 {
		 while(YTile < 600)
		 {
			 a++;
			if (MapData[a] > 0)
			{
	 			dbSetSpriteFrame(mapLayer,MapData[a]);
				dbPasteSprite(mapLayer,XTile,YTile);
			}
			XTile = XTile + 32;


			if (XTile == 800)
			{
				YTile = YTile + 32;
				XTile = 0;
			}
		 }

		 mapLayer++;

		 if (mapLayer == playerSprite)
		 {
			mapLayer = fringeTile;
			// Control player movement. Do it here to be behind fringe.
			playerMovement(&playerX,&playerY);
		 }

		// Reset Values
		YTile = 0;
		XTile = 0;
	 }




}
void debug()
{
	if (debugEnabled == true)
	{
		// Debug Display
		dbInk(dbRGB(255,0,0),1);

		dbText(770,0,dbStr(dbScreenFPS()));
		dbText(770,15,dbStr(dbScanCode()));
		dbText(770,30,dbStr(playerX));
		dbText(770,45,dbStr(playerY));
		dbText(770,60,dbStr(dbMouseX()));
		dbText(770,75,dbStr(dbMouseY()));
	}

}

void DarkGDK ( void )
{

	dbSyncOn   ( );
	dbSyncRate ( 604 );

	dbDisableEscapeKey ( );
	dbRandomize ( dbTimer ( ) );

	// Set up Game Screen
	dbSetDisplayMode(800,600,32);
	dbSetWindowTitle("7 Sins");

	// Load the Sprites
	loadFiles(&groundTile, &maskTile, &fringeTile, &itemTile);

	while ( LoopGDK ( ) )
	{	

		// Load Map
		loadMap();
		// Debug
		debug();

		



		if ( dbEscapeKey ( ) )
			break;
		// Sync Screen
		dbSync ( );
	}



	return;
}