/* Raw bitmap sprite loader written by Mohammed Khoory

 	- reads three files: header file, palette file, and raw bitmap files

 	- can convert data from those files to sprites and set the DOS palette , etc.

 	based a LOT on bmpload's structure lol

 */

 #ifndef SPR_LOAD

 #define SPR_LOAD

 #include <iostream>

 #include <fstream>

 #include <new>

 #include <string>

 #include <exception>

 #include "graphics.h"

 using namespace std;

 class SpriteLoader

 {

 protected:

 	// filestreams

 	ifstream rawBitmapFile;

 	ifstream paletteFile;

 	// header

 	unsigned long int width;

 	unsigned long int height;

 	unsigned long int size;

 	void resetHeader();

 public:

 	SpriteLoader();

 	~SpriteLoader();

 	// opens all bitmap and palette and reads the header (filenames are passed in without extension)

 	void loadFile(const string& filename) throw(int, ios_base::failure);

 	void unloadFile();

 	// get methods (allocates memory!)

 	// returns the entire bitmap as a char array

 	unsigned char * getBitmap() throw(int, bad_alloc, ios_base::failure);

 	// creates a sprite from the file and returns it

 	struct sprite * getSprite(int x1 = -1, int y1 = -1, int x2 = -1, int y2 = -1)

 		throw (int, bad_alloc, ios_base::failure);

 	// palette setter

 	void setPalette(GraphicsDevice& graphics) throw (int, bad_alloc, ios_base::failure);

 	unsigned long int getWidth() throw(int);

 	unsigned long int getHeight() throw(int);

 	unsigned long int getSize() throw(int);

 	bool isLoaded();

 	// exceptions

 	static const int FileNotLoadedException = 1; // when trying to run a function but the file isn't loaded

 	static const int BadFileNameException = 2; // when the filename isn't valid

 	static const int BadFileException = 3; // when the file makes no sense (EOF)

 	static const int CannotReadException = 4; // When it encounters an unsupported file (no palette, etc.)

 };

 #endif