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+    "-96,-72,0": "building-office-small",
+    "-72,-72,0": "road-corner-low",
+    "-72,-64,0": "road-crossing-low",
+    "-80,-56,0": "grass",
+    "-64,-64,0": "road-straight-low",
+    "-56,-64,0": "road-straight-low",
+    "-48,-64,0": "road-straight-low",
+    "-72,-56,0": "road-straight-low-rot",
+    "-72,-48,0": "road-straight-low-rot",
+    "-80,-48,0": "grass",
+    "-64,-56,0": "grass",
+    "-64,-48,0": "grass",
+    "-56,-56,0": "grass",
+    "-56,-48,0": "grass",
+    "-48,-56,0": "grass",
+    "-48,-48,0": "grass",
+    "-64,-72,0": "grass",
+    "-48,-72,0": "grass",
+    "-88,-56,0": "road-straight-low-rot",
+    "-88,-48,0": "road-straight-low-rot",
+    "-96,-64,0": "road-straight-low",
+    "-56,-72,0": "building-office-small",
+    "-96,-56,0": "grass",
+    "-96,-48,0": "grass",
+    "-104,-64,0": "road-end-low",
+    "-80,-72,0": "road-straight-low",
+    "-104,-56,0": "grass",
+    "-104,-48,0": "grass",
+    "-104,-72,0": "grass"
+}

src/main.rs

@@ -0,0 +1,74 @@
+#[macro_use]
+extern crate serde_derive;
+extern crate serde;
+extern crate serde_json;
+use std::io::BufWriter;
+use std::io::BufReader;
+use std::fs::File;
+
+use std::collections::HashMap;
+use nalgebra::Vector3;
+
+#[derive(Clone, Debug, Default)]
+struct Voxel {
+    id: &'static str,
+    adjacency: HashMap<&'static str, u16>,
+}
+
+
+
+
+// #[derive(Clone, Debug, Default)]
+// struct Adjacency {
+//     p_x: HashMap<&'static str, u16>,
+//     n_x: HashMap<&'static str, u16>,
+    
+//     p_y: HashMap<&'static str, u16>,
+//     n_y: HashMap<&'static str, u16>,
+    
+//     p_z: HashMap<&'static str, u16>,
+//     n_z: HashMap<&'static str, u16>,
+// }
+
+fn load_export(path: &'static str) -> HashMap<Vector3<i32>, String> {
+    let reader = BufReader::new(File::open(path).unwrap());
+    let loaded_tiles: HashMap<String, String> = serde_json::from_reader(reader).unwrap();
+    // let vec_tiles: HashMap<Vector3<i32>, String> = 
+    loaded_tiles
+        .iter()
+        .map(|(k,v)| {
+            let p: Vec<i32> = k.split(",").map(|x| x.parse().unwrap_or(0)).collect();
+            (Vector3::new(p[0],p[1],p[2]), v.clone())
+        })
+        .collect()
+
+    // dbg!(&loaded_tiles);
+
+}
+
+
+// fn get_adjacent(volume: HashMap<Vector3<i32>, Voxel>, Vector3<i32>) {
+
+
+// }
+
+
+fn main() {
+
+    let mut vol: HashMap<Vector3<i32>, Voxel> = HashMap::new();
+    vol.insert(Vector3::new(1,0,0), Voxel {id: "border_left", ..Default::default()});
+    vol.insert(Vector3::new(1,0,1), Voxel {id: "straight", ..Default::default()});
+
+
+    let exp = load_export("out.json");
+
+    // let mut adj_map: HashMap<String, Adjacency> = HashMap::new();
+
+
+}
+
+
+#[test]
+fn create_vol() {
+
+}