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use ggez::filesystem::File;
use ggez::graphics::Rect;
use std::io::BufReader;
use xml::reader::{EventReader, XmlEvent};
pub struct Map {
pub width: usize,
pub height: usize,
pub data: Vec<usize>,
}
impl Map {
pub fn new(file: File) -> Map {
let mut width = None;
let mut height = None;
let mut data: Option<Vec<usize>> = None;
for e in EventReader::new(BufReader::new(file)) {
if let Ok(XmlEvent::StartElement {
name, attributes, ..
}) = e
{
if name.local_name == "map" {
for attribute in attributes {
match attribute.name.local_name.as_str() {
"width" => width = Some(attribute.value.parse::<usize>().unwrap()),
"height" => height = Some(attribute.value.parse::<usize>().unwrap()),
_ => (),
}
}
}
} else if let Ok(XmlEvent::Characters(text)) = e {
data = Some(
text.replace("\n", "")
.split(',')
.map(|s| s.parse().unwrap())
.collect(),
);
}
}
Map {
data: data.unwrap(),
width: width.unwrap(),
height: height.unwrap(),
}
}
}
pub struct Tileset {
pub tiles: Vec<Rect>,
pub tile_width: f32,
pub tile_height: f32,
}
impl Tileset {
pub fn new(file: File) -> Tileset {
let mut tile_width = None;
let mut tile_height = None;
let mut columns = None;
for e in EventReader::new(BufReader::new(file)) {
if let Ok(XmlEvent::StartElement { attributes, .. }) = e {
for attribute in attributes {
match attribute.name.local_name.as_str() {
"columns" => columns = Some(attribute.value.parse::<usize>().unwrap()),
"tilewidth" => tile_width = Some(attribute.value.parse::<f32>().unwrap()),
"tileheight" => tile_height = Some(attribute.value.parse::<f32>().unwrap()),
_ => (),
}
}
}
}
let columns = columns.unwrap();
let mut tiles = Vec::new();
tiles.push(Rect::zero());
for c in 0..columns {
let x = c as f32 / columns as f32;
let w = (c as f32 + 1.0) / columns as f32;
tiles.push(Rect::new(x, 0.0, w, 1.0));
}
Tileset {
tiles,
tile_height: tile_height.unwrap(),
tile_width: tile_width.unwrap(),
}
}
}
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