feat: add doom example, fix import argument order

Signed-off-by: Henry <mail@henrygressmann.de>

1 files changed, 55 insertions, 0 deletions

diff --git a/examples/doom/build.sh b/examples/doom/build.sh
new file mode 100755
index 0000000..a6b6c01
--- /dev/null
+++ b/examples/doom/build.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+upstream_dir="upstream/PureDOOM"
+out_dir="out"
+wrapper_src="guest/tinywasm_puredoom.c"
+output="$out_dir/puredoom.wasm"
+
+if ! command -v git >/dev/null 2>&1; then
+    printf 'missing required tool: git\n' >&2
+    exit 1
+fi
+
+if ! command -v clang >/dev/null 2>&1; then
+    printf 'missing required tool: clang\n' >&2
+    exit 1
+fi
+
+mkdir -p "upstream" "$out_dir"
+
+if [[ ! -d "$upstream_dir/.git" ]]; then
+    git clone --depth 1 https://github.com/Daivuk/PureDOOM.git "$upstream_dir"
+else
+    git -C "$upstream_dir" pull --ff-only
+fi
+
+clang \
+    --target=wasm32-unknown-unknown \
+    -O2 \
+    -nostdlib \
+    -fno-builtin \
+    -w \
+    -Wl,--no-entry \
+    -Wl,--allow-undefined \
+    -Wl,--export=tinywasm_doom_init \
+    -Wl,--export=tinywasm_doom_update \
+    -Wl,--export=tinywasm_doom_framebuffer \
+    -Wl,--export=tinywasm_doom_sound_buffer \
+    -Wl,--export=tinywasm_doom_tick_midi \
+    -Wl,--export=tinywasm_doom_wad_path_buf \
+    -Wl,--export=tinywasm_doom_key_down \
+    -Wl,--export=tinywasm_doom_key_up \
+    -Wl,--export=memory \
+    -Wl,--export=__heap_base \
+    -Wl,--export=__data_end \
+    -Wl,--initial-memory=16777216 \
+    -Wl,--max-memory=268435456 \
+    -Wl,--stack-first \
+    -I"$upstream_dir" \
+    "$wrapper_src" \
+    -o "$output"
+
+printf 'built %s\n' "$output"