Prototype feather-definitions

This does a bunch of stuff I'm too tired to explain right now. Will
write about this tomorrow.

Prototype implementation. Not clean. Has bugs. warned

Author: caelunshun

Cargo.lock

@@ -17,6 +17,9 @@ members = [
     "core/network",
     "core/util",
 
+    "definitions",
+    "definitions/generator",
+
     "server",
     "server/template",
     "server/chat",

Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "feather-definitions"
+version = "0.1.0"
+authors = ["caelunshun <caelunshun@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+num-traits = "0.2"
+num-derive = "0.3"
+
+[build-dependencies]
+feather-definitions-generator = { path = "generator" }

definitions/Cargo.toml

@@ -0,0 +1,4 @@
+`feather-definitions` provides a clean
+way to define gameplay information, such
+as block tags, item tags, and block/item associated
+values.

definitions/README.md

@@ -0,0 +1,10 @@
+fn main() {
+    let data_path = concat!(env!("CARGO_MANIFEST_DIR"), "/data");
+    let target_path = concat!(env!("CARGO_MANIFEST_DIR"), "/src/generated");
+
+    if let Err(e) = feather_definitions_generator::load_directory(data_path, target_path) {
+        panic!("{:?}", e);
+    }
+
+    println!("cargo:rerun-if-changed={}", data_path);
+}