From 49b07a29ab42b2d550becfd0de8da4231341b706 Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Sun, 16 Jun 2019 10:33:29 -0500
Subject: layers now supported

---
 src/map.rs | 75 ++++++++++++++++++--------------------------------------------
 1 file changed, 22 insertions(+), 53 deletions(-)

(limited to 'src/map.rs')

diff --git a/src/map.rs b/src/map.rs
index 2028b50..db79deb 100644
--- a/src/map.rs
+++ b/src/map.rs
@@ -1,19 +1,36 @@
 use ggez::filesystem::File;
-use ggez::graphics::Rect;
 use std::io::BufReader;
 use xml::reader::{EventReader, XmlEvent};
 
+pub struct Layer {
+    pub id: usize,
+    pub data: Vec<usize>,
+}
+
+impl Layer {
+    pub fn new(text: String, id: usize) -> Layer {
+        Layer {
+            id,
+            data: text
+                .replace("\n", "")
+                .split(',')
+                .map(|s| s.parse().unwrap())
+                .collect(),
+        }
+    }
+}
+
 pub struct Map {
     pub width: usize,
     pub height: usize,
-    pub data: Vec<usize>,
+    pub layers: Vec<Layer>,
 }
 
 impl Map {
     pub fn new(file: File) -> Map {
         let mut width = None;
         let mut height = None;
-        let mut data: Option<Vec<usize>> = None;
+        let mut layers = Vec::new();
 
         for e in EventReader::new(BufReader::new(file)) {
             if let Ok(XmlEvent::StartElement {
@@ -30,63 +47,15 @@ impl Map {
                     }
                 }
             } else if let Ok(XmlEvent::Characters(text)) = e {
-                data = Some(
-                    text.replace("\n", "")
-                        .split(',')
-                        .map(|s| s.parse().unwrap())
-                        .collect(),
-                );
+                layers.push(Layer::new(text, layers.len() + 1));
             }
         }
 
         Map {
-            data: data.unwrap(),
+            layers,
             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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