start project with header, struct, mlx functionnal, and basic key event action

srcs/hook/keyhook.c

@@ -0,0 +1,38 @@
+#include "cube3d.h"
+
+// temp, to map all the keys on linux and mac
+	static int		print_keycode(int keycode)
+	{
+		ft_putnbrendl(keycode);
+		return(0);
+	}
+// temp end
+
+static void	keypress_action(int keycode, t_game *game)
+{
+	// escape
+	if (keycode == 65307)
+		shut_down(game);
+	// left
+	if (keycode == 65361)
+		(game->plr_x) -= 5;
+	// right
+	if (keycode == 65363)
+		(game->plr_x) += 5;
+	// up
+	if (keycode == 65362)
+		(game->plr_y) -= 5;
+	// down
+	if (keycode == 65364)
+		(game->plr_y) += 5;
+	mlx_pixel_put(game->mlx_ptr, game->win_ptr, game->plr_x, game->plr_y, 0x74db74);
+}
+
+int		keypress(int keycode, t_game *game)
+{
+	// temp
+	print_keycode(keycode);
+
+	keypress_action(keycode, game);
+	return (0);
+}