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extern crate pancurses;
use character::Character;
pub struct View {
width : i32,
height : i32,
row : i32,
col : i32,
window : pancurses::Window,
}
impl View {
pub fn new((x,y) : (i32, i32), map_window : &pancurses::Window) -> View {
let window = map_window.derwin(x,y,0,0).expect("Cannot create derwin.");
View {
width : x,
height : y,
row : 0,
col : 0,
window : window,
}
}
pub fn center(&mut self, character : Character, map_window : &pancurses::Window) {
let c = character.location.x - self.width/2;
let r = character.location.y - self.height/2;
let (hh, ww) = map_window.get_max_yx();
if c + self.width >= ww {
let delta = ww - (c + self.width);
self.col = c + delta;
}
else {
self.col = c;
}
if r + self.height >= hh {
let delta = hh - (r + self.height);
self.row = r + delta;
}
else {
self.row = r;
}
if r < 0 {
self.row = 0;
}
if c < 0 {
self.col = 0;
}
self.window.mvderwin(self.col, self.row);
map_window.touch();
self.window.refresh();
}
}
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