Make patch materials more flexible

src/material/mod.rs

@@ -196,9 +196,9 @@ impl Material {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct PatchMaterial {
     #[serde(deserialize_with = "deserialize_path")]
-    include: String,
+    pub include: String,
     #[serde(default)]
-    replace: Table,
+    pub replace: Table,
 }
 
 impl PatchMaterial {
@@ -209,7 +209,14 @@ impl PatchMaterial {
         E: From<VdfError>,
     {
         let base = loader(&self.include)?.to_ascii_lowercase();
-        let mut material = Table::load_from_str(&base)?;
+        Ok(self.apply(&base)?)
+    }
+
+    /// Parse the base material and apply the patch
+    ///
+    /// The base material needs to be lowercase.
+    pub fn apply(&self, base: &str) -> Result<Material, VdfError> {
+        let mut material = Table::load_from_str(base)?;
 
         let material_values = match material.iter_mut().next() {
             Some((_, Entry::Table(table))) => table,
@@ -224,7 +231,7 @@ impl PatchMaterial {
             material_values.insert(key.clone(), value.clone());
         }
 
-        Ok(from_entry(Entry::Table(material))?)
+        from_entry(Entry::Table(material))
     }
 }
 

src/material/modulate.rs

@@ -16,6 +16,7 @@ pub struct ModulateMaterial {
 
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
 #[serde(rename_all = "snake_case")]
+#[allow(unused)]
 pub enum SpriteOrientation {
     ParallelUpright,
     #[default]