ml
9d0a0d5798
build / build (push) Successful in 2m52s
- engine-debug-tools/: a debug dump hotkey + dump2png to inspect decoded critter frames independent of the renderer (see root README.md's "Debugging" section). - engine-patches/04,05: fix critter sprite scale and an OpenGL texture cache collision, found using that tooling. - mdlp: fix encodeFrames RLE-diffing upscaled frames against a previous-frame reference the real RSD8 decoder never implements (verified against Night Dive's original Mac source down to the 68K assembly) - was rendering as scattered static in-game. - Upscale pipeline: better color quantization (dithering, pure-ramp exclusion) and per-resource model selection.
103 lines
4.4 KiB
Bash
Executable File
103 lines
4.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Compiles engine/ (the vendored Shockolate snapshot) against the
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# dependencies prebuilt into this image at /opt/prebuilt - no network
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# access needed. Must be run with the repo root as the working directory
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# - either via ../run-image.sh (which docker-runs this image with the
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# repo bind-mounted at /workspace and WORKDIR set there), or directly
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# when already inside this image (e.g. a CI job using this image as its
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# container - see the Makefile's `engine` target, which picks whichever
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# of these applies).
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#
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# Builds from a scratch copy of engine/, patched with engine-patches/
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# (see that directory and README.md section 4.4) - same reasoning as
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# build-engine-win.sh's own scratch copy: engine/ itself is never modified in
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# place (README.md section 1).
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#
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# Output lands in engine/.build-output/: the systemshock binary, the
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# shared libraries it needs at runtime (lib/), and a default MIDI
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# soundfont - everything the root Makefile needs to assemble dist/.
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set -euo pipefail
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REPO_ROOT="$(pwd)"
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SCRATCH_ENGINE="$REPO_ROOT/build/linux-engine"
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OUT_DIR="$REPO_ROOT/engine/.build-output"
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echo "== Preparing a scratch copy of engine/, patched with engine-patches/ =="
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rm -rf "$SCRATCH_ENGINE"
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mkdir -p "$(dirname "$SCRATCH_ENGINE")"
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cp -a "$REPO_ROOT/engine" "$SCRATCH_ENGINE"
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# A checkout built in place by an older version of this script (before it
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# staged a scratch copy) can still have build_ext/CMakeCache.txt etc.
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# sitting in the real engine/ - copied along above, they'd make CMake
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# refuse to configure this copy ("directory is different than the
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# directory where CMakeCache.txt was created"). Same cleanup
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# build-engine-win.sh's own scratch copy does.
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rm -rf "$SCRATCH_ENGINE"/build_ext "$SCRATCH_ENGINE"/CMakeCache.txt \
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"$SCRATCH_ENGINE"/CMakeFiles "$SCRATCH_ENGINE"/cmake_install.cmake \
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"$SCRATCH_ENGINE"/Makefile "$SCRATCH_ENGINE"/systemshock \
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"$SCRATCH_ENGINE"/src/Libraries/CMakeFiles
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for p in "$REPO_ROOT"/engine-patches/*.patch; do
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patch -p1 -d "$SCRATCH_ENGINE" < "$p"
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done
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# ENGINE_DEBUG_TOOLS=1 (set by the Makefile's dist_debug target) additionally
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# applies engine-debug-tools/engine-patches/ - debug-only instrumentation
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# (see root README.md's "Debugging" section) that stays out of every normal
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# build.
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if [ -n "${ENGINE_DEBUG_TOOLS:-}" ]; then
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echo "== ENGINE_DEBUG_TOOLS set - also applying engine-debug-tools/engine-patches/ =="
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for p in "$REPO_ROOT"/engine-debug-tools/engine-patches/*.patch; do
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patch -p1 -d "$SCRATCH_ENGINE" < "$p"
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done
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fi
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cd "$SCRATCH_ENGINE"
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echo "== Wiring up prebuilt SDL2/SDL2_mixer/fluidsynth-lite from the image =="
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rm -rf build_ext
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mkdir -p build_ext
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# Some filesystems the repo might be checked out on (e.g. a VirtualBox
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# vboxsf shared folder) refuse to create symlinks at all ("Operation not
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# permitted"), which plain `cp -a` needs for SDL2/SDL2_mixer's
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# libFoo.so -> libFoo.so.N -> libFoo.so.N.M dev-symlink chain. Detect
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# that up front, once, and copy real file content instead of recreating
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# links if so, rather than failing partway through. `-a` implies
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# --preserve=all (which includes hard-link relationships between files,
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# not just symlinks - SDL2's install hard-links the two most-specific
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# version files together), so --no-preserve=links is needed alongside
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# --dereference to avoid that too.
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CP_FLAGS=(-a)
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if ! ln -s test-target build_ext/.symlink-test 2>/dev/null; then
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echo "(destination filesystem doesn't support symlinks - copying real file content instead)"
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CP_FLAGS=(-a --dereference --no-preserve=links)
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else
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rm -f build_ext/.symlink-test
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fi
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cp "${CP_FLAGS[@]}" /opt/prebuilt/built_sdl build_ext/
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cp "${CP_FLAGS[@]}" /opt/prebuilt/built_sdl_mixer build_ext/
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cp "${CP_FLAGS[@]}" /opt/prebuilt/fluidsynth-lite build_ext/
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echo "== Configuring (CMake, BUNDLED SDL2/SDL2_mixer/FluidSynth) =="
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rm -f CMakeCache.txt
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cmake -DENABLE_SDL2=BUNDLED -DENABLE_SOUND=BUNDLED -DENABLE_FLUIDSYNTH=BUNDLED .
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echo "== Compiling =="
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make -j"$(nproc)" systemshock
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echo "== Assembling engine/.build-output =="
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rm -rf "$OUT_DIR"
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mkdir -p "$OUT_DIR/lib"
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cp systemshock "$OUT_DIR/"
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find build_ext/built_sdl/lib build_ext/built_sdl_mixer/lib build_ext/fluidsynth-lite/src \
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-name '*.so*' -not -name '*.la' -exec cp "${CP_FLAGS[@]}" {} "$OUT_DIR/lib/" \;
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cp /opt/prebuilt/soundfont/default.sf2 "$OUT_DIR/soundfont.sf2"
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echo "== Done =="
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echo "Binary: $OUT_DIR/systemshock"
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echo "Libraries: $OUT_DIR/lib/"
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echo "Soundfont: $OUT_DIR/soundfont.sf2"
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