allow single-word strings in defs.txt without double quotes

src/defs.txt

@@ -1,29 +1,29 @@
-actor 300000 0 500000 "jupiter"
+actor 300000 0 500000 jupiter
     scale 80000
     rotationy -1.40
     angularmomentum 0 0.0001 0
 
-actor 2000 0 0 "asteroid1"
+actor 2000 0 0 asteroid1
     scale 200
 
-actor -2300 10 0 "pizzeria"
+actor -2300 10 0 pizzeria
     scale 30
     rotationy -1
     angularmomentum 0 0.0001 0
 
-actor -50 0 0 "suit"
-    name "Icarus"
+actor -50 0 0 suit
+    name Icarus
     chatid "hi_icarus"
-    alive "yes"
-    pronoun "it"
+    alive yes
+    pronoun it
 
-actor -2265 10 0 "suit"
+actor -2265 10 0 suit
     name "Space Pizza™"
-    chatid "pizzeria"
-    alive "yes"
-    pronoun "it"
+    chatid pizzeria
+    alive yes
+    pronoun it
 
-actor 0 0 0 "error"
+actor 0 0 0 error
 
 chat "error"
     name "ERROR"

src/world.rs

@@ -362,10 +362,12 @@ pub fn load_defs(
     asset_server: Res<AssetServer>,
 ) {
     let re1 = Regex::new(r"^\s*([a-z]+)\s+(.*)$").unwrap();
-    let re2 = Regex::new("\"([^\"]*)\"|(-?[0-9]+(?:\\.[0-9]+)?)").unwrap();
+    let re2 = Regex::new("\"([^\"]*)\"|(-?[0-9]+(?:\\.[0-9]+)?)|([a-zA-Z][a-zA-Z0-9]*)").unwrap();
     let defs_string = include_str!("defs.txt");
     let mut lines = defs_string.lines();
     let mut state = ParserState::default();
+    let mut command;
+    let mut parameters;
 
     let mut line_nr = -1;
     while let Some(line) = lines.next() {
@@ -377,17 +379,27 @@ pub fn load_defs(
             }
             continue;
         }
-        let command = caps.unwrap().get(1).unwrap().as_str();
+        if let Some(caps) = caps {
+            command = caps.get(1).unwrap().as_str();
+            parameters = caps.get(2).unwrap().as_str();
+        }
+        else {
+            error!("Failed to read regex captures in line {}: `{}`", line_nr, line);
+            continue;
+        }
 
         let mut parts: Vec<&str> = Vec::new();
         parts.push(command);
-        for caps in re2.captures_iter(line) {
+        for caps in re2.captures_iter(parameters) {
             if let Some(part) = caps.get(1) {
                 parts.push(&part.as_str());
             }
             if let Some(part) = caps.get(2) {
                 parts.push(&part.as_str());
             }
+            if let Some(part) = caps.get(3) {
+                parts.push(&part.as_str());
+            }
         }
 
         match parts.as_slice() {