3 files changed, 37 insertions(+), 0 deletions(-)

A compatibilitytool.vdf
A launchmw
A toolmanifest.vdf

@@ 1,23 @@
+"compatibilitytools"
+{
+  "compat_tools"
+  {
+    "openmw-wrapper-compatibility-tool" // Internal name of this tool
+    {
+      // Can register this tool with Steam in two ways:
+      //
+      // - The tool can be placed as a subdirectory in compatibilitytools.d, in which case this
+      //   should be '.'
+      //
+      // - This manifest can be placed directly in compatibilitytools.d, in which case this should
+      //   be the relative or absolute path to the tool's dist directory.
+      "install_path" "."
+
+      // For this template, we're going to substitute the display_name key in here, e.g.:
+      "display_name" "OpenMW Wrapper"
+
+      "from_oslist"  "windows"
+      "to_oslist"    "linux"
+    }
+  }
+}

@@ 1,10 @@
+#!/bin/sh
+
+# Steam will call this script multiple times, with $1 seemingly being
+# the executable it wants to run. The idea of the script is to run
+# `openmw` when Steam requests us to run "Morrowind Launcher.exe".
+
+EXECUTABLE_FILENAME="$(echo $1 | xargs -d'/' -l1 | grep -v "^$" | tail -n1)"
+if [ "$EXECUTABLE_FILENAME" = "Morrowind Launcher.exe"  ]; then
+    openmw
+fi

@@ 1,4 @@
+"manifest"
+{
+  "commandline" "/launchmw"
+}