Support tree; Do not enforce LBA source for Overlays

src/Tools/psxcdgen_ex/Cargo.toml

@@ -8,9 +8,9 @@ panic = "abort"
 
 [dependencies]
 cdtypes          = {path = "../cdtypes"}
-clap             = {version = "*", features = ["derive"]}
-colored          = "*"
-no-comment       = "*"
-paste            = "*"
-roxmltree        = "*"
+clap             = {version = "4.4.11", features = ["derive"]}
+colored          = "2.1.0"
+no-comment       = "0.0.3"
+paste            = "1.0.14"
+roxmltree        = "0.19.0"
 tool_helper      = {path = "../tool_helper"}

src/Tools/psxcdgen_ex/src/types/overlay/mod.rs

@@ -120,7 +120,13 @@ fn load_lba_names(lba_source: PathBuf) -> Result<LBANameVec, Error> {
         Ok(file[start..end].to_owned())
     }
 
-    let     file      = read_file_to_string(&lba_source)?.chars().without_comments(languages::c()).collect::<String>();
+    let file_content = {
+        match read_file_to_string(&lba_source) {
+            Ok(data) => data,
+            Err(_)   => return Ok(LBANameVec::new())
+        }
+    };
+    let     file      = file_content.chars().without_comments(languages::c()).collect::<String>();
     let     file      = get_part_of_interest(file, &lba_source)?;
     let mut lba_names = Vec::new();