initial Docker support (#1308)

docker/Dockerfile

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+FROM debian:latest
+
+# Gather dependencies
+RUN dpkg --add-architecture i386
+RUN apt-get update -y
+RUN apt-get install git wine wine64 wine32 wget unzip -y
+
+# Silence debug warnings in wine (creates noise during compile)
+RUN export WINEDEBUG=-all
+
+# Set up the wineprefix
+RUN wine wineboot
+
+# Set up MSVC 4.20 and CMake for Windows
+RUN git clone https://github.com/itsmattkc/MSVC420 ~/.wine/drive_c/msvc
+RUN wget https://github.com/Kitware/CMake/releases/download/v3.26.6/cmake-3.26.6-windows-i386.zip
+RUN unzip cmake-3.26.6-windows-i386.zip -d ~/.wine/drive_c
+RUN mv ~/.wine/drive_c/cmake-3.26.6-windows-i386 ~/.wine/drive_c/cmake
+RUN rm cmake-3.26.6-windows-i386.zip
+
+# Set up entrypoint script to perform the build
+COPY entrypoint.sh entrypoint.sh
+RUN chmod +x entrypoint.sh
+ENTRYPOINT [ "./entrypoint.sh" ]

docker/entrypoint.sh

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+#!/usr/bin/env bash
+
+# Populate the Windows path inside of the wineprefix
+# TODO: This is in here because writing to the registry seems
+# to fail when performed in the Dockerfile itself; investigate
+wine reg ADD 'HKCU\Environment' /v PATH /d 'C:\msvc\bin;C:\msvc\bin\winnt;C:\cmake\bin;C:\windows\system32' /f
+wine reg ADD 'HKCU\Environment' /v INCLUDE /d 'C:\msvc\include;C:\msvc\mfc\include' /f
+wine reg ADD 'HKCU\Environment' /v LIB /d 'C:\msvc\lib;C:\msvc\mfc\lib' /f
+wine reg ADD 'HKCU\Environment' /v TMP /d 'Z:\build' /f
+wine reg ADD 'HKCU\Environment' /v TEMP /d 'Z:\build' /f
+
+# Configure build with CMake
+wine cmake -B build isle -G "NMake Makefiles" $CMAKE_FLAGS
+
+# Start compiling LEGO Island
+wine cmake --build build
+
+# Unlock directories
+chmod -R 777 isle build