From 8fc5480243993114f6ce9198f2c19ccda3472114 Mon Sep 17 00:00:00 2001
From: Niklas Kapelle <niklas@kapelle.org>
Date: Sun, 1 Mar 2026 23:18:59 +0100
Subject: [PATCH] fixed load_order

---
 src/load_order.rs | 78 +++++++++++++++++++++++++++++++++++++
 src/lootorder.rs  | 98 -----------------------------------------------
 2 files changed, 78 insertions(+), 98 deletions(-)
 create mode 100644 src/load_order.rs
 delete mode 100644 src/lootorder.rs

diff --git a/src/load_order.rs b/src/load_order.rs
new file mode 100644
index 0000000..1adb71e
--- /dev/null
+++ b/src/load_order.rs
@@ -0,0 +1,78 @@
+use std::{
+    error::Error,
+    path::{Path, PathBuf},
+};
+
+use libloot::{Game, GameType};
+
+use crate::{
+    basic_types::{ModdedInstance, RootConfig},
+    utils::walk_files_recursive,
+};
+
+pub struct LoadOrder {
+    game: libloot::Game,
+    target: PathBuf,
+}
+
+impl LoadOrder {
+    pub fn new(install_dir: impl AsRef<Path>, game_type: GameType) -> Result<Self, Box<dyn Error>> {
+        Ok(Self {
+            game: Game::with_local_path(
+                game_type,
+                install_dir.as_ref(),
+                &install_dir.as_ref().join("appdata"),
+            )?,
+            target: install_dir.as_ref().to_owned(),
+        })
+    }
+
+    pub fn add_plugins_from_instance(
+        &mut self,
+        root_config: &RootConfig,
+        instance: &ModdedInstance,
+    ) -> Result<(), Box<dyn Error>> {
+        for installed_mod in &instance.mods {
+            let mod_config = root_config.get_mod_by_id(&installed_mod.mod_id()).unwrap();
+            let mod_source_root = root_config.get_mod_location(&mod_config);
+
+            let mod_plugins: Vec<PathBuf> = installed_mod
+                .files()
+                .iter()
+                .filter(|f| Self::is_plugin_file(&f.0))
+                .map(|(from, _)| mod_source_root.join(from))
+                .collect();
+
+            let refs: Vec<_> = mod_plugins.iter().map(|e| e.as_path()).collect();
+            self.game.load_plugins(&refs)?;
+        }
+        Ok(())
+    }
+
+    pub fn add_plugins_from_install(&mut self) -> Result<(), Box<dyn Error>> {
+        let plugins: Vec<_> = walk_files_recursive(self.target.join("Data"))?
+            .filter(|f| Self::is_plugin_file(f.path()))
+            .map(|f| f.path())
+            .collect();
+        let refs: Vec<_> = plugins.iter().map(|e| e.as_path()).collect();
+        dbg!(&refs);
+        self.game.load_plugins(&refs)?;
+        Ok(())
+    }
+
+    fn is_plugin_file(filename: impl AsRef<Path>) -> bool {
+        filename
+            .as_ref()
+            .extension()
+            .is_some_and(|ext| ext == "esp" || ext == "esm" || ext == "esl")
+    }
+
+    pub fn load_order(&self) -> Result<Vec<String>, Box<dyn Error>> {
+        let all_plugins = self.game.loaded_plugins();
+        let plugins_names: Vec<&str> = all_plugins.iter().map(|e| e.name()).collect();
+
+        let sorted = self.game.sort_plugins(&plugins_names)?;
+
+        Ok(sorted)
+    }
+}
diff --git a/src/lootorder.rs b/src/lootorder.rs
deleted file mode 100644
index 9a406aa..0000000
--- a/src/lootorder.rs
+++ /dev/null
@@ -1,98 +0,0 @@
-use std::{
-    fmt::Display,
-    fs,
-    path::{Path, PathBuf},
-};
-
-use libloot::{
-    Game, GameType,
-    error::{GameHandleCreationError, LoadPluginsError, SortPluginsError},
-};
-
-use crate::{Mod, ModFile};
-
-pub struct LootOrder {
-    game: libloot::Game,
-    target: PathBuf,
-}
-
-impl LootOrder {
-    pub fn new(install_dir: &Path, game_type: GameType) -> Result<Self, LootOrderError> {
-        Ok(Self {
-            game: Game::with_local_path(game_type, install_dir, &install_dir.join("appdata"))?,
-            target: install_dir.to_owned(),
-        })
-    }
-
-    pub fn add_plugin(&mut self, file: &ModFile) -> Result<(), LootOrderError> {
-        if !Self::is_plugin_file(file.dest.to_str().unwrap_or_default()) {
-            return Ok(());
-        }
-
-        let rel_path = self.target.join(&file.dest);
-        let absolute_path = fs::canonicalize(rel_path).unwrap();
-
-        self.game.load_plugins(&[&absolute_path])?;
-        Ok(())
-    }
-
-    fn is_plugin_file(filename: &str) -> bool {
-        filename.ends_with(".esp") || filename.ends_with(".esm") || filename.ends_with(".esl")
-    }
-
-    pub fn load_order(&self) -> Result<(), LootOrderError> {
-        let all_plugins = self.game.loaded_plugins();
-        let plugins_names: Vec<&str> = all_plugins.iter().map(|e| e.name()).collect();
-
-        let sorted = self.game.sort_plugins(&plugins_names)?;
-
-        dbg!(sorted);
-
-        todo!()
-    }
-}
-
-#[derive(Debug)]
-pub enum LootOrderError {
-    Create(GameHandleCreationError),
-    Load(LoadPluginsError),
-    Sort(SortPluginsError),
-}
-
-impl std::error::Error for LootOrderError {}
-
-impl Display for LootOrderError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            LootOrderError::Create(game_handle_creation_error) => write!(
-                f,
-                "Failed to create LootOrder: {}",
-                game_handle_creation_error
-            ),
-            LootOrderError::Load(load_plugins_error) => {
-                write!(f, "Failed to load plugin: {}", load_plugins_error)
-            }
-            LootOrderError::Sort(sort_plugins_error) => {
-                write!(f, "Failed to sort: {}", sort_plugins_error)
-            }
-        }
-    }
-}
-
-impl From<GameHandleCreationError> for LootOrderError {
-    fn from(e: GameHandleCreationError) -> Self {
-        Self::Create(e)
-    }
-}
-
-impl From<LoadPluginsError> for LootOrderError {
-    fn from(e: LoadPluginsError) -> Self {
-        Self::Load(e)
-    }
-}
-
-impl From<SortPluginsError> for LootOrderError {
-    fn from(e: SortPluginsError) -> Self {
-        Self::Sort(e)
-    }
-}