Launch: support for presets (#594)

bin/Cargo.toml

@@ -29,6 +29,7 @@ git2 = { workspace = true }
 glob = "0.3.1"
 num_cpus = "1.16.0"
 rayon = "1.8.0"
+regex = "1.10.2"
 reqwest = { version = "0.11.22", features = ["blocking", "json"] }
 rhai = "1.16.3"
 rust-embed = "8.0.0"

bin/src/commands/launch.rs

@@ -5,6 +5,7 @@ use std::{
 
 use clap::{ArgMatches, Command};
 use hemtt_common::project::{hemtt::LaunchOptions, ProjectConfig};
+use regex::Regex;
 use steamlocate::SteamDir;
 
 use crate::{error::Error, link::create_link};
@@ -77,6 +78,38 @@ pub fn execute(matches: &ArgMatches) -> Result<(), Error> {
         path.display().to_string()
     });
 
+    let mut meta = None;
+    let meta_path = std::env::current_dir()?.join("meta.cpp");
+    if meta_path.exists() {
+        let content = std::fs::read_to_string(meta_path)?;
+        let regex = Regex::new(r"publishedid\s*=\s*(\d+);").unwrap();
+        if let Some(id) = regex.captures(&content).map(|c| c[1].to_string()) {
+            meta = Some(id);
+        }
+    }
+
+    let mut workshop = launch.workshop().to_vec();
+
+    for preset in launch.presets() {
+        let html = std::env::current_dir()?
+            .join(".hemtt/presets")
+            .join(preset)
+            .with_extension("html");
+        if !html.exists() {
+            return Err(Error::PresetNotFound(preset.to_string()));
+        }
+        let html = std::fs::read_to_string(html)?;
+        let regex = Regex::new(
+            r#"(?m)href="https:\/\/steamcommunity\.com\/sharedfiles\/filedetails\/\?id=(\d+)""#,
+        )
+        .unwrap();
+        for id in regex.captures_iter(&html).map(|c| c[1].to_string()) {
+            if !workshop.contains(&id) {
+                workshop.push(id);
+            }
+        }
+    }
+
     // climb to the workshop folder
     if !launch.workshop().is_empty() {
         let Some(common) = arma3dir.path.parent() else {
@@ -89,19 +122,24 @@ pub fn execute(matches: &ArgMatches) -> Result<(), Error> {
         if !workshop_folder.exists() {
             return Err(Error::WorkshopNotFound);
         };
-        for load_mod in launch.workshop() {
-            let mod_path = workshop_folder.join(load_mod);
+        for load_mod in workshop {
+            if Some(load_mod.clone()) == meta {
+                warn!(
+                    "Skipping mod {} as it is the same as the project's meta.cpp id",
+                    load_mod
+                );
+                continue;
+            }
+            let mod_path = workshop_folder.join(&load_mod);
             if !mod_path.exists() {
-                return Err(Error::WorkshopModNotFound(load_mod.to_string()));
+                return Err(Error::WorkshopModNotFound(load_mod));
             };
             mods.push(mod_path.display().to_string());
         }
     }
 
-    if !launch.dlc().is_empty() {
-        for dlc in launch.dlc() {
-            mods.push(dlc.to_mod().to_string());
-        }
+    for dlc in launch.dlc() {
+        mods.push(dlc.to_mod().to_string());
     }
 
     let ctx = super::dev::execute(matches, launch.optionals())?;

bin/src/error.rs

@@ -40,6 +40,9 @@ pub enum Error {
     WorkshopNotFound,
     #[error("Workshop mod not found: {0}")]
     WorkshopModNotFound(String),
+    #[error("Preset not found: {0}")]
+    PresetNotFound(String),
+
     #[error("Main prefix not found: {0}")]
     MainPrefixNotFound(String),
 

book/commands/launch.md

@@ -51,6 +51,9 @@ mainprefix = "z"
 workshop = [
     "450814997", # CBA_A3's Workshop ID
 ]
+presets = [
+    "main", # .html presets from .hemtt/presets/
+]
 dlc = [
     "Western Sahara",
 ]
@@ -81,6 +84,10 @@ dlc = [
 
 A list of workshop IDs to launch with your mod. These are not subscribed to, and will need to be manually subscribed to in Steam.
 
+### presets
+
+A list of `.html` presets to launch with your mod. Exported from the Arma 3 Launcher, and kept in `.hemtt/presets/`.
+
 ### dlc
 
 A list of DLCs to launch with your mod. The fullname or short-code can be used.
@@ -110,7 +117,7 @@ The name of the Arma 3 executable to launch. This is usually `arma3` or `arma3_x
 
 ## Options
 
-### -e, --executable <executable>
+### -e, --executable &lt;executable&gt;
 
 The Arma 3 executable to launch. Overrides the `executable` option in the configuration file.
 

libs/common/src/project/hemtt.rs

@@ -73,6 +73,10 @@ pub struct LaunchOptions {
     /// DLCs that should be launched with the mod
     dlc: Vec<DLC>,
 
+    #[serde(default)]
+    /// HTML presets that should be launched with the mod
+    presets: Vec<String>,
+
     #[serde(default)]
     /// Optional addons that should be built into the mod
     optionals: Vec<String>,
@@ -99,6 +103,12 @@ impl LaunchOptions {
         &self.dlc
     }
 
+    #[must_use]
+    /// HTML presets that should be launched with the mod
+    pub fn presets(&self) -> &[String] {
+        &self.presets
+    }
+
     #[must_use]
     /// Optional addons that should be built into the mod
     pub fn optionals(&self) -> &[String] {