FROM alpine:latest

ENV OPENTTD_JGR_VERSION=0.65.3

RUN apk add --no-cache \
    git \
    build-base \
    cmake \
    sdl2-dev \
    sdl2_mixer-dev \
    fontconfig-dev \
    icu-dev \
    libpng-dev \
    xz-dev \
    lzo-dev \
    zstd-dev \
    wget \
    unzip \
    bash \
    curl \
    pkgconfig \
    freetype-dev \
    bzip2-dev

WORKDIR /openttd

RUN git clone --depth 1 --branch jgrpp-$OPENTTD_JGR_VERSION https://github.com/JGRennison/OpenTTD-patches.git source

# Build the source
WORKDIR /openttd/source
RUN mkdir build && cd build && \
    cmake .. -DCMAKE_BUILD_TYPE=Release && \
    make -j$(nproc)

WORKDIR /openttd
RUN mkdir -p /root/.openttd/baseset && \
    wget -q https://cdn.openttd.org/opengfx-releases/7.1/opengfx-7.1-all.zip && \
    unzip opengfx-7.1-all.zip -d /root/.openttd/baseset && \
    rm opengfx-7.1-all.zip

COPY start.sh /start.sh
RUN chmod +x /start.sh
CMD ["/start.sh"]