From 91eb3eab5c60908e7a8657f0fdf3f2f1f1f24b52 Mon Sep 17 00:00:00 2001
From: magic_rb <magic_rb@redalder.org>
Date: Fri, 12 Apr 2024 18:22:33 +0200
Subject: [PATCH] Make arma3 module functional

Signed-off-by: magic_rb <magic_rb@redalder.org>
---
 nixos/systems/omen/arma3.nix | 100 ++++++++++++++++++++++++++---------
 1 file changed, 75 insertions(+), 25 deletions(-)

diff --git a/nixos/systems/omen/arma3.nix b/nixos/systems/omen/arma3.nix
index 007092c..617bc8d 100644
--- a/nixos/systems/omen/arma3.nix
+++ b/nixos/systems/omen/arma3.nix
@@ -1,8 +1,47 @@
 {
   inputs',
   pkgs,
+  lib,
   ...
-}: {
+}: let
+  mods = [
+    {
+      id = "463939057";
+      name = "ACE";
+    }
+    {
+      id = "2867537125";
+      name = "Antistasi";
+    }
+    {
+      id = "450814997";
+      name = "CBA_A3";
+    }
+    {
+      id = "843425103";
+      name = "RHSAFRF";
+    }
+    {
+      id = "843593391";
+      name = "RHSGREF";
+    }
+    {
+      id = "843632231";
+      name = "RHSSAF";
+    }
+    {
+      id = "843577117";
+      name = "RHSUSAF";
+    }
+  ];
+
+  inherit
+    (lib)
+    getExe
+    getExe'
+    concatMapStringsSep
+    ;
+in {
   ucontainers."arma3" = {
     network = [
       {
@@ -16,9 +55,9 @@
       ephemeral = true;
       bind = [
         "/etc/resolv.conf"
-        "/var/lib/arma3/steam:/home/steam/Steam"
-        "/var/lib/arma3/Steam:/home/steam/.local/share/Steam"
-        "/var/lib/arma3/steamapps:/var/lib/steam"
+        "/var/lib/arma3/steam_library:/home/steam/Steam"
+        "/var/lib/arma3/steam:/home/steam/.local/share/Steam"
+        "/var/lib/arma3/game:/var/lib/game"
         "/tmp/arma-secret/:/secret"
       ];
     };
@@ -28,13 +67,7 @@
         inherit (inputs') nixpkgs;
         name = "arma3";
 
-        config = let
-          inherit
-            (pkgs.lib)
-            getExe
-            getExe'
-            ;
-        in {
+        config = {
           dumb-init = {
             enable = true;
             type.services = {};
@@ -66,18 +99,39 @@
             gid = 1001;
           };
 
+          ## Steam doesn't allow me to download the mods as that account doesn't own Arma 3...
+          # ${concatMapStringsSep "\n" (mod: ''
+          #     HOME=/home/steam USER=steam chpst -U steam:steam -u steam:steam ${getExe' pkgs.steamcmd "steamcmd"} \
+          #       +login "$(cat /secret/user | tr -d '\n ')" "$(cat /secret/password | tr -d '\n ')" \
+          #       +"workshop_download_item 107410 ${mod.id}" validate \
+          #       +quit
+
+          #     ln -sf /home/steam/Steam/steamapps/workshop/content/107410/${mod.id} /var/lib/game/mods/@${mod.name}
+          #   '')
+          #   mods}
+
           init.services.steam-login = {
             enabled = true;
             script = pkgs.writeShellScript "steam-login-start" ''
+              set -e -o pipefail
+
               mkdir -p /home/steam
               chown steam:steam -R /home/steam
-              chown steam:steam -R /var/lib/steam
-              HOME=/home/steam USER=steam chpst -U steam:steam -u steam:steam ${getExe pkgs.steamcmd} \
-                +force_install_dir /var/lib/steam \
-                +login "$(cat /secret/user)" "$(cat /secret/password)" \
+              chown steam:steam -R /var/lib/game
+              HOME=/home/steam USER=steam chpst -U steam:steam -u steam:steam ${getExe' pkgs.steamcmd "steamcmd"} \
+                +force_install_dir /var/lib/game \
+                +login "$(cat /secret/user | tr -d '\n ')" "$(cat /secret/password | tr -d '\n ')" \
                 +app_update 233780 validate \
                 +quit
 
+              ${concatMapStringsSep "\n" (
+                  mod: ''
+                    ln -sf /var/lib/game/mods/${mod.id} /var/lib/game/mods/@${mod.name}
+                  ''
+                )
+                mods}
+
+              sv start arma3
               exec sleep infinity
             '';
           };
@@ -86,21 +140,17 @@
             dependencies = [
               "steam-login"
             ];
-            enabled = true;
+            enabled = false;
             script = pkgs.writeShellScript "arma3-start" ''
-              sleep 15
-              cd /var/lib/steam
+              cd /var/lib/game
               PATH=${pkgs.coreutils}/bin:$PATH LD_LIBRARY_PATH=${pkgs.stdenv.cc.cc.lib}/lib:$PWD exec \
                 chpst -u steam:steam \
                 ${getExe' pkgs.glibc "ld.so"} ./arma3server_x64 \
                   -config=./server.cfg \
-                  -mod=./mods/@ACE \
-                  -mod=./mods/@Antistasi \
-                  -mod=./mods/@CBA_A3 \
-                  -mod=./mods/@RHSAFRF \
-                  -mod=./mods/@RHSGREF \
-                  -mod=./mods/@RHSSAF \
-                  -mod=./mods/@RHSUSAF
+                ${concatMapStringsSep " \\\n" (
+                  mod: "-mod=./mods/${mod.id}"
+                )
+                mods}
             '';
           };
         };