create gltf output folder, fixes #4

CHANGELOG.md

@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Fixed an issue where some Xenoblade 3 models used incorrect vertex skinning weights.
 * Fixed an issue where Xenoblade 1 DE and Xenoblade 2 models did not load the high resolution base mip level.
 * Fixed an issue where some Xenoblade 3 DLC maps failed to load due to prop instance indexing issues.
+* Fixed an issue where gltf export would fail if the destination folder did not exist.
 
 ## 0.2.0 - 2023-11-22
 ### Added

xc3_gltf/src/main.rs

@@ -1,3 +1,5 @@
+use std::path::Path;
+
 use clap::Parser;
 use xc3_model::{gltf::GltfFile, load_model, shader_database::ShaderDatabase};
 
@@ -37,6 +39,10 @@ fn main() {
         .to_string_lossy()
         .to_string();
 
+    if let Some(parent) = Path::new(&cli.output).parent() {
+        std::fs::create_dir_all(parent).unwrap();
+    }
+
     let file = GltfFile::new(&name, &roots);
     file.save(&cli.output);