initial import

Dockerfile

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+FROM debian:bookworm-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV LANG=C.UTF-8
+ENV OPENTTD_JGR_VERSION=0.65.3
+
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    cmake \
+    git \
+    libsdl2-dev \
+    libsdl2-mixer-dev \
+    libfontconfig-dev \
+    libicu-dev \
+    libpng-dev \
+    liblzma-dev \
+    liblzo2-dev \
+    libzstd-dev \
+    pkg-config \
+    wget \
+    unzip \
+    && apt-get clean
+
+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"]

docker-compose.yml

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+services:
+  openttd-jgr:
+    image: forgejo.venusian.stream/skkeeper/openttd-jgr:latest
+    container_name: openttd-jgr
+    volumes:
+      - ./save:/root/.openttd/save
+      # - ./content:/root/.openttd/content
+      # - ./config:/root/.openttd
+    ports:
+      - "3979:3979/udp"
+      - "3979:3979/tcp"
+    restart: unless-stopped

start.sh

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+#!/bin/bash
+SAVE_FILE="/root/.openttd/save/autosave/latest.sav"
+
+if [ -f "$SAVE_FILE" ]; then
+    echo "Loading savegame: $SAVE_FILE"
+    exec /openttd/source/build/openttd -D -g autosave/latest.sav
+else
+    echo "No savegame found. Starting new game."
+    exec /openttd/source/build/openttd -D
+fi