add unity packaging

Author: Andrew Longhorn

Allow2.sln

@@ -6,6 +6,8 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{AF0C5566-7FFC-4BDE-A78C-55694F732A0F}"
 	ProjectSection(SolutionItems) = preProject
 		LICENSE = LICENSE
+		package.json = package.json
+		package.sh = package.sh
 	EndProjectSection
 EndProject
 Global

Allow2/package.json package.jsonAllow2/package.json renamed to package.json

@@ -0,0 +1,62 @@
+#!/bin/sh -eu
+
+Configuration="Release"
+if [ $# -lt 1 ]; then
+    echo "Need path to Unity"
+    exit 1
+fi
+
+if [ $# -gt 1 ]; then
+    case x"$2" in
+        xdebug | xDebug)
+            Configuration="Debug"
+            ;;
+    esac
+fi
+
+pushd unity/PackageProject/Assets
+git clean -xdf
+popd
+
+pushd src
+git clean -xdf
+popd
+
+OS="Mac"
+if [ -e "c:\\" ]; then
+    OS="Windows"
+fi
+
+if [ x"$OS" == x"Windows" ]; then
+    if [ -f "$1/Editor/Unity.exe" ]; then
+        Unity="$1/Editor/Unity.exe"
+    else
+        echo "Can't find Unity in $1"
+        exit 1
+    fi
+else
+    if [ -f "$1/Unity.app/Contents/MacOS/Unity" ]; then
+        Unity="$1/Unity.app/Contents/MacOS/Unity"
+    elif [ -f "$1/Unity" ]; then
+        Unity="$1/Unity"
+    else
+        echo "Can't find Unity in $1"
+        exit 1
+    fi
+fi
+
+if [ x"$OS" == x"Windows" ]; then
+    common/nuget restore Allow2.sln
+else
+    nuget restore Allow2.sln
+fi
+
+xbuild Allow2.sln /property:Configuration=$Configuration
+
+Version=`sed -En 's,.*Version = "(.*)".*,\1,p' common/SolutionInfo.cs`
+commitcount=`git rev-list  --count HEAD`
+commit=`git log -n1 --pretty=format:%h`
+Version="${Version}.${commitcount}-${commit}"
+Version=$Version
+export ALLOW22_DISABLE=1
+"$Unity" -batchmode -projectPath "`pwd`/unity/PackageProject" -exportPackage Assets/Plugins/Allow2 allow2-for-unity-$Version.unitypackage -force-free -quit