Add Reactor.Assets to the repo

Reactor.Assets/build.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+UNITY_VERSION=2020.3.22f1
+
+if [[ ! -v UNITY_PATH ]]; then
+    if command -v unityhub &>/dev/null; then
+        echo "Trying to get unity path from unityhub..."
+
+        UNITYHUB_INSTALL_PATH=$(unityhub --headless install-path)
+        UNITY_PATH="$UNITYHUB_INSTALL_PATH/$UNITY_VERSION/Editor/Unity"
+
+        if [[ ! -f $UNITY_PATH ]]; then
+            echo "Unity $UNITY_VERSION is not installed"
+            exit 1
+        fi
+    else
+        echo "UNITY_PATH is not set"
+        exit 1
+    fi
+fi
+
+echo "UNITY_PATH = $UNITY_PATH"
+
+rm Library -rf # TODO figure out why having Library cached makes invalid bundles in batchmode
+$UNITY_PATH -batchmode -nographics -quit -logFile "-" -projectPath $pwd -executeMethod Build.BuildAssetBundles