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Location: cpp/openttd-patchpack/source/os/emscripten/README.md - annotation
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Add: calendar date for Survey results
This means no heuristics is possible on around which date people
play the game.
This means no heuristics is possible on around which date people
play the game.
r24439:3207de2680bf r24439:3207de2680bf r26702:11311910aaaa r26702:11311910aaaa r26702:11311910aaaa r26702:11311910aaaa r27370:8498857641a9 r24439:3207de2680bf r26702:11311910aaaa r24439:3207de2680bf r27370:8498857641a9 r24439:3207de2680bf r24439:3207de2680bf r26702:11311910aaaa r26702:11311910aaaa r26702:11311910aaaa r24439:3207de2680bf r24439:3207de2680bf r27370:8498857641a9 r27370:8498857641a9 r24439:3207de2680bf r24439:3207de2680bf r26702:11311910aaaa r24439:3207de2680bf r24439:3207de2680bf r27370:8498857641a9 r27370:8498857641a9 r24439:3207de2680bf r24439:3207de2680bf r26702:11311910aaaa r24439:3207de2680bf r26702:11311910aaaa r24439:3207de2680bf r24439:3207de2680bf r24439:3207de2680bf r24439:3207de2680bf r24439:3207de2680bf r24439:3207de2680bf r26702:11311910aaaa | ## How to build with Emscripten
Please use docker with the supplied `Dockerfile` to build for emscripten.
It takes care of a few things:
- Use a version of emscripten we know works
- Patch in LibLZMA support (as this is not supported by upstream)
- Patch in nlohmann-json support (as this is not supported by upstream)
First, build the docker image by navigating in the folder this `README.md` is in, and executing:
```
docker build -t emsdk-openttd .
```
Next, navigate back to the root folder of this project.
Now we build the host tools first:
```
mkdir build-host
docker run -it --rm -v $(pwd):$(pwd) -u $(id -u):$(id -g) --workdir $(pwd)/build-host emsdk-openttd cmake .. -DOPTION_TOOLS_ONLY=ON
docker run -it --rm -v $(pwd):$(pwd) -u $(id -u):$(id -g) --workdir $(pwd)/build-host emsdk-openttd make -j$(nproc) tools
```
Finally, we build the actual game:
```
mkdir build
docker run -it --rm -v $(pwd):$(pwd) -u $(id -u):$(id -g) --workdir $(pwd)/build emsdk-openttd emcmake cmake .. -DHOST_BINARY_DIR=../build-host -DCMAKE_BUILD_TYPE=Release -DOPTION_USE_ASSERTS=OFF
docker run -it --rm -v $(pwd):$(pwd) -u $(id -u):$(id -g) --workdir $(pwd)/build emsdk-openttd emmake make -j$(nproc)
```
In the `build` folder you will now see `openttd.html`.
To run it locally, you would have to start a local webserver; something like:
```
cd build
python3 -m http.server
````
You can now play the game via http://127.0.0.1:8000/openttd.html .
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