#define TETROMINO_WIDTH  4
#define TETROMINO_HEIGHT 4
#define TETROMINO_AREA   (TETROMINO_HEIGHT*TETROMINO_WIDTH)

struct piece {
	struct colour *colour;
	char (*bitmap)[4][4];
	int type;
	int rotation;
};

char tetromino_I[4][4][4] = {
	{
		{0,0,0,0},
		{1,1,1,1},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,0,1,0},
		{0,0,1,0},
		{0,0,1,0},
		{0,0,1,0}
	},{
		{0,0,0,0},
		{0,0,0,0},
		{1,1,1,1},
		{0,0,0,0}
	},{
		{0,1,0,0},
		{0,1,0,0},
		{0,1,0,0},
		{0,1,0,0}
	}
};

char tetromino_J[4][4][4] = {
	{
		{1,0,0,0},
		{1,1,1,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,1,1,0},
		{0,1,0,0},
		{0,1,0,0},
		{0,0,0,0}
	},{
		{0,0,0,0},
		{1,1,1,0},
		{0,0,1,0},
		{0,0,0,0}
	},{
		{0,1,0,0},
		{0,1,0,0},
		{1,1,0,0},
		{0,0,0,0}
	}
};

char tetromino_L[4][4][4] = {
	{
		{0,0,1,0},
		{1,1,1,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,1,0,0},
		{0,1,0,0},
		{0,1,1,0},
		{0,0,0,0}
	},{
		{0,0,0,0},
		{1,1,1,0},
		{1,0,0,0},
		{0,0,0,0}
	},{
		{1,1,0,0},
		{0,1,0,0},
		{0,1,0,0},
		{0,0,0,0}
	}
};

char tetromino_O[4][4][4]= {
	{
		{0,1,1,0},
		{0,1,1,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,1,1,0},
		{0,1,1,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,1,1,0},
		{0,1,1,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,1,1,0},
		{0,1,1,0},
		{0,0,0,0},
		{0,0,0,0}
	}
};

char tetromino_S[4][4][4] = {
	{
		{0,1,1,0},
		{1,1,0,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,1,0,0},
		{0,1,1,0},
		{0,0,1,0},
		{0,0,0,0}
	},{
		{0,0,0,0},
		{0,1,1,0},
		{1,1,0,0},
		{0,0,0,0}
	},{
		{1,0,0,0},
		{1,1,0,0},
		{0,1,0,0},
		{0,0,0,0}
	}
};


char tetromino_T[4][4][4] = {
	{
		{1,1,1,0},
		{0,1,0,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,0,1,0},
		{0,1,1,0},
		{0,0,1,0},
		{0,0,0,0}
	},{
		{0,0,0,0},
		{0,1,0,0},
		{1,1,1,0},
		{0,0,0,0}
	},{
		{1,0,0,0},
		{1,1,0,0},
		{1,0,0,0},
		{0,0,0,0}
	}
};

char tetromino_Z[4][4][4] = {
	{
		{1,1,0,0},
		{0,1,1,0},
		{0,0,0,0},
		{0,0,0,0}
	},{
		{0,0,1,0},
		{0,1,1,0},
		{0,1,0,0},
		{0,0,0,0}
	},{
		{0,0,0,0},
		{1,1,0,0},
		{0,1,1,0},
		{0,0,0,0}
	},{
		{0,1,0,0},
		{1,1,0,0},
		{1,0,0,0},
		{0,0,0,0}
	}
};

char (*tetrominoes[])[4][4][4] = {
	&tetromino_I,
	&tetromino_J,
	&tetromino_L,
	&tetromino_O,
	&tetromino_S,
	&tetromino_T,
	&tetromino_Z
};