Update DiscordRPC to v4 (#460)

Requires plugins v2.

.github/workflows/build.yml

@@ -10,6 +10,9 @@ on:
         required: true
         default: 'build-thunderstore-package'
 
+permissions:
+  contents: write # Needed to write to GitHub draft release
+
 env:
   NORTHSTAR_VERSION: ${{ github.ref_name }}
 
@@ -17,12 +20,6 @@ jobs:
   build-launcher:
     runs-on: windows-2022
     steps:
-      - name: Setup bundled plugins
-        uses: actions/checkout@v3
-        with:
-          repository: R2Northstar/NorthstarDiscordRPC
-          ref: 'v1'
-          path: discord-plugin
       - name: Checkout launcher repository
         uses: actions/checkout@v3
         with:
@@ -38,12 +35,10 @@ jobs:
           sed -i 's/DEV/${{ env.NORTHSTAR_VERSION }}/g' NorthstarLauncher/resources.rc
           FILEVERSION=$(echo ${{ env.NORTHSTAR_VERSION }} | tr '.' ',' | sed -E 's/-rc[0-9]+//' | tr -d '[:alpha:]')
           sed -i "s/0,0,0,1/${FILEVERSION}/g" NorthstarDLL/ns_version.h
-      - name: Build
+      - name: Build Launcher
         working-directory: northstar-launcher
         run: |
-          cp -r ../discord-plugin/*Discord* .
           msbuild /p:Configuration=Release R2Northstar.sln
-          msbuild /p:Configuration=Release NorthstarDiscordRPC.sln
       - name: Upload launcher build as artifact
         uses: actions/upload-artifact@v3
         with:
@@ -52,8 +47,6 @@ jobs:
             northstar-launcher/x64/Release/Northstar.dll
             northstar-launcher/x64/Release/wsock32.dll
             northstar-launcher/x64/Release/NorthstarLauncher.exe
-            northstar-launcher/x64/Release/discord_game_sdk.dll
-            northstar-launcher/x64/Release/DiscordRPC.dll
             northstar-launcher/x64/Release/*.txt
       - name: Upload debug build artifact
         uses: actions/upload-artifact@v3
@@ -67,10 +60,13 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Download compiled launcher
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: northstar-launcher
           path: northstar-launcher
+      - name: Download DiscordRPC plugin
+        run:
+          wget "https://github.com/R2Northstar/NorthstarDiscordRPC/releases/download/v4/northstar-discord-rpc.zip"
       - name: Download compiled stubs
         run:
           wget "https://github.com/R2Northstar/NorthstarStubs/releases/download/v1/NorthstarStubs.zip"
@@ -103,8 +99,9 @@ jobs:
           mkdir -p northstar/R2Northstar/plugins
           mkdir -p northstar/bin/x64_retail
 
-          mv -v northstar-launcher/DiscordRPC.dll northstar/R2Northstar/plugins
-          mv -v northstar-launcher/discord_game_sdk.dll northstar
+          unzip northstar-discord-rpc.zip
+          mv -v DiscordRPC.dll northstar/R2Northstar/plugins
+
           mv -v northstar-launcher/wsock32.dll northstar/bin/x64_retail
           unzip NorthstarStubs.zip -d northstar/bin/x64_dedi
 
@@ -130,6 +127,17 @@ jobs:
         with:
           name: Northstar.release.${{ env.NORTHSTAR_VERSION }}
           path: northstar
+      - name: Create zip to upload
+        run: |
+          cd northstar/
+          zip --recurse-paths --quiet Northstar.release.${{ env.NORTHSTAR_VERSION }}.zip .
+          mv Northstar.release.${{ env.NORTHSTAR_VERSION }}.zip ../
+      - name: Upload zip to release draft
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/v') && !contains(env.NORTHSTAR_VERSION, '-rc')
+        with:
+          draft: true
+          files: Northstar.release.${{ env.NORTHSTAR_VERSION }}.zip
 
   build-thunderstore-package:
     needs: build-northstar # comment out when running locally
@@ -162,7 +170,7 @@ jobs:
 
       - name: Download Northstar package
         if: ${{ !env.ACT }} # Download artifacts from previous jobs when running on GitHub's infrastructure
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: Northstar.release.${{ env.NORTHSTAR_VERSION }}
           path: northstar