#include "fdf.h"

// add "print_keycode(keycode);" at begining to print keycode
int		keypress(int keycode, t_fdf *fdf)
{
	if (keycode == ESCAPE)
		shut_down(fdf);
	else if (keycode == LEFT)
		(fdf->rot_x) += 1;
	else if (keycode == RIGHT)
		(fdf->rot_x) -= 1;
	else if (keycode == UP)
		(fdf->rot_y) += 1;
	else if (keycode == DOWN)
		(fdf->rot_y) -= 1;
	else if (keycode == Q)
		(fdf->mov_x) -= 6;
	else if (keycode == D)
		(fdf->mov_x) += 6;
	else if (keycode == Z)
		(fdf->mov_y) -= 6;
	else if (keycode == S)
		(fdf->mov_y) += 6;
	else if (keycode == A)
		(fdf->zoom) += 6;
	else if (keycode == W)
		(fdf->zoom) -= 6;
	draw_image(fdf);
	return (0);
}

// return an int[3] : int[0] = x, int[1] = y, int[2] = z
int	*new_coordinates(t_fdf *fdf, int i, int j)
{
	int x;
	int y;
	int z;
	int	*point;

	point = ft_calloc(3, sizeof(int));
	// pre zoom
	x = i * (fdf->offset + fdf->zoom);
	y = j * (fdf->offset + fdf->zoom);
	// pre center
	x -= (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
	y -= (fdf->map_size_y + fdf->zoom * fdf->map_height) / 2;
	// rotation
	z = fdf->map[j][i] * fdf->altitude;
	point[0] = x * cos(fdf->rad_x) + y * sin(fdf->rad_x);
	point[1] = y * cos(fdf->rad_x) - x * sin(fdf->rad_x);
	point[1] = point[1] * cos(fdf->rad_y) - -z * sin(fdf->rad_y);
	// deplacements
	point[0] += fdf->margin + fdf->mov_x;
	point[1] += fdf->margin + fdf->mov_y;
	// post zoom
	point[0] -= ((fdf->map_size_x / 2) / fdf->offset) * fdf->zoom;
	point[1] -= ((fdf->map_size_y / 2) / fdf->offset) * fdf->zoom;
	// post center
	point[0] += (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
	point[1] += (fdf->map_size_y + fdf->zoom * fdf->map_height) / 2;

	point[2] = z;
	return (point);
}

int		print_keycode(int keycode)
{
	ft_putnbr(keycode);
	ft_putchar(' ');
	return(0);
}

void	rotation_state(t_fdf *fdf)
{
	char	*position;
	int		x;
	int		y;

	x = fdf->img_size_x - 10;
	y = fdf->img_size_y - 10;
	position = ft_strjoin(ft_itoa(fdf->rot_x), ft_strdup(" | "));
	position = ft_strjoin(position, ft_itoa(fdf->rot_y));
	x -= ft_strlen(position) * 6;
	mlx_string_put(fdf->mlx_ptr, fdf->win_ptr, x, y, 0xffffff, position);
}