created new parser

1 files changed, 92 insertions, 0 deletions

diff --git a/src/map.rs b/src/map.rs
new file mode 100644
index 0000000..2028b50
--- /dev/null
+++ b/src/map.rs
@@ -0,0 +1,92 @@
+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(),
+        }
+    }
+}