49 lines
1.5 KiB
Bash
Executable File
49 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Builds the WebAssembly ("web") build of DESI Explorer with Odin
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# (js_wasm32) + emscripten. Output: build/web/index.html (+ index.wasm, odin.js).
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#
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# Requires:
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# - `odin` on PATH with the js_wasm32 target
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# - emcc / emscripten active in PATH
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# Optional:
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# - ODIN_ROOT (defaults to `odin root`)
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# - OUT_DIR (defaults to build/web)
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set -euo pipefail
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OUT_DIR="${OUT_DIR:-build/web}"
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ODIN_ROOT="${ODIN_ROOT:-$(odin root)}"
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mkdir -p lib/local
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mkdir -p "$OUT_DIR"
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# The Odin compiler emits a wasm object; raylib's C code is linked later by
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# emcc. `-define:RAYLIB_WASM_LIB=env.o` stops the compiler from trying to
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# link the raylib lib itself (emcc does that; it ends up in the final module).
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odin build src \
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-target:js_wasm32 \
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-build-mode:obj \
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-define:RAYLIB_WASM_LIB=env.o \
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-o:speed \
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-collection:lib=lib/local \
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-out:"${OUT_DIR}/game"
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# Odin's JS runtime glue; the generated module imports functions from it.
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cp "${ODIN_ROOT}/core/sys/wasm/js/odin.js" "${OUT_DIR}/odin.js"
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# Link with emscripten against raylib's prebuilt web library. Flags mirror the
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# known-good karl-zylinski/odin-raylib-web template.
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emcc \
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-o "${OUT_DIR}/index.html" \
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"${OUT_DIR}/game.obj" \
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"${ODIN_ROOT}/vendor/raylib/wasm/libraylib.web.a" \
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--shell-file scripts/web/index_template.html \
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-sEXPORTED_RUNTIME_METHODS="['HEAPF32']" \
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-sUSE_GLFW=3 \
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-sWASM_BIGINT \
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-sWARN_ON_UNDEFINED_SYMBOLS=0 \
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-sASSERTIONS
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rm -f "${OUT_DIR}/game.obj"
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echo "Web build created in ${OUT_DIR}"
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