Fix workflow, add web port to documentation

.github/workflows/ci.yml

@@ -161,7 +161,8 @@ jobs:
   web-emscripten:
     name: Build (Emscripten)
     needs: prepare
-    runs-on: emscripten/emsdk
+    runs-on: ubuntu-latest
+    container: emscripten/emsdk
     steps:
       - name: Install dependencies
         run: |
@@ -174,17 +175,19 @@ jobs:
 
       - name: Build OpenJazz
         run: |
-          emcmake cmake --workflow --preset release -DDATAPATH=/data -DNETWORK=OFF
-          touch build-release/data.js # dummy data
-          ls -l build-release
+          emcmake cmake -B build-web . -G Ninja -DCMAKE_BUILD_TYPE=Release \
+            -DDATAPATH=/data -DNETWORK=OFF
+          cmake --build build-web
+          touch build-web/data.{js,data} # dummy data
+          ls -l build-web/OpenJazz*
 
       - name: Prepare artifact
         env:
           OJ_VERSION: ${{ needs.prepare.outputs.oj_version }}
         run: |
           mkdir OJ-${OJ_VERSION}
           builds/ci/adoc2txt ${OJ_VERSION} < res/unix/OpenJazz.6.adoc > OJ-${OJ_VERSION}/Manual.txt
-          cp build-release/*.{wasm,js,html,data} README.md COPYING licenses.txt OJ-${OJ_VERSION}/
+          cp build-web/*.{wasm,js,html,data} README.md COPYING licenses.txt OJ-${OJ_VERSION}/
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
@@ -327,6 +330,7 @@ jobs:
       - dist
       - linux-clang
       - windows-mingw-gcc
+      - web-emscripten
       - nintendo-devkitpro
       - riscos-gccsdk
       - psp-pspdev
@@ -392,6 +396,7 @@ jobs:
       - dist
       - linux-clang
       - windows-mingw-gcc
+      - web-emscripten
       - nintendo-devkitpro
       - riscos-gccsdk
       - psp-pspdev

README.md

@@ -8,7 +8,7 @@
 OpenJazz can be compiled on a wide range of operating systems, including
 Windows, macOS, GNU/Linux and BSD flavors. Also ports are available for some
 homebrew platforms, consoles and handhelds. See [Platforms](PLATFORMS.md) for
-details.
+details. You can even play it [inside your web browser][web port].
 
 To play, you will need the files from one of the original games.
 
@@ -53,7 +53,7 @@ software.
 
 ## [Building](BUILDING.md)
 
-## Running
+## Running [![Play in Browser][web badge]][web port]
 
 Execute `OpenJazz`. Depending on the platform and compile time options, the
 data files are expected to be under different paths (alongside the executable
@@ -71,3 +71,5 @@ Original author: Alister Thomson (alister_j_t at yahoo dot com)
 http://alister.eu/jazz/oj/
 
 [logo]: res/unix/OpenJazz.png
+[web badge]: https://img.shields.io/badge/Play_in-Browser-blue?style=plastic
+[web port]: https://openjazz.github.io

res/unix/OpenJazz.6.adoc

@@ -146,3 +146,4 @@ Ricerind:: Mac OS X port
 Slaanesh:: GP32 port
 GPF:: Dreamcast port
 Cameron Cawley (ccawley2011):: RISC OS, SDL2 port
+midzer:: Web port