build/main: src/all.c build/images.c build/music.c src/types.c src/levels.c src/tick.c
	mkdir -p build
	gcc -Wall -Wextra -Wpedantic -DSDL $$(pkg-config --libs sdl3) -o build/main src/all.c

build/main.wasm: src/all.c src/types.c src/levels.c src/tick.c
	mkdir -p build
	clang --target=wasm32 -nostdlib -DWASM -Wall -Wextra -Wpedantic \
		-Wl,--no-entry -fno-builtin -o build/main.wasm src/all.c

build/music.mp3.b64: res/music.mp3
	mkdir -p build
	(printf '"data:audio/mpeg;base64,'; base64 < res/music.mp3 | tr -d '\n'; printf '"') > build/music.mp3.b64

build/%.png.b64: res/%.png
	mkdir -p build
	(printf '"data:image/png;base64,'; base64 < $< | tr -d '\n'; printf '"') > $@

build/main.wasm.b64: build/main.wasm
	mkdir -p build
	(printf '"'; base64 < build/main.wasm | tr -d '\n'; printf '"') > build/main.wasm.b64

build/index.html: src/index.html.in build/main.wasm.b64 build/music.mp3.b64 \
		build/continue.png.b64 build/exit.png.b64 build/pause.png.b64 build/play.png.b64 build/restart.png.b64 \
		build/nelson.png.b64 build/nelson_left.png.b64 build/nelson_up.png.b64 \
		build/nelson_right.png.b64 build/nelson_down.png.b64
	mkdir -p build
	clang -E -P -undef -nostdinc -x c -o build/index.html src/index.html.in

build/img: src/img.c
	mkdir -p build
	gcc -Wall -Wextra -Wpedantic -o build/img src/img.c

build/%.qoi: res/%.png
	mkdir -p build
	magick $< $@

build/music.pcm: res/music.mp3
	ffmpeg -i res/music.mp3 -acodec pcm_s16le -f s16le build/music.pcm

build/music.c: build/music.pcm
	( \
		echo 'unsigned char musicBytes[] = {' && \
		xxd -i < build/music.pcm && \
		echo '};' \
	) > build/music.c

build/images.c: \
		build/continue.qoi build/exit.qoi build/pause.qoi build/play.qoi build/restart.qoi \
		build/nelson.qoi build/nelson_up.qoi build/nelson_down.qoi build/nelson_left.qoi build/nelson_right.qoi \
		build/img
	mkdir -p build
	(\
		build/img pixels build/continue.qoi 1 && \
		build/img pixels build/exit.qoi 2 && \
		build/img pixels build/pause.qoi 3 && \
		build/img pixels build/play.qoi 4 && \
		build/img pixels build/restart.qoi 5 && \
		build/img pixels build/nelson.qoi 6 && \
		build/img pixels build/nelson_left.qoi 7 && \
		build/img pixels build/nelson_up.qoi 8 && \
		build/img pixels build/nelson_right.qoi 9 && \
		build/img pixels build/nelson_down.qoi 10 && \
		echo 'Image images[] = {{0},' && \
		build/img image build/continue.qoi 1 && \
		build/img image build/exit.qoi 2 && \
		build/img image build/pause.qoi 3 && \
		build/img image build/play.qoi 4 && \
		build/img image build/restart.qoi 5 && \
		build/img image build/nelson.qoi 6 && \
		build/img image build/nelson_left.qoi 7 && \
		build/img image build/nelson_up.qoi 8 && \
		build/img image build/nelson_right.qoi 9 && \
		build/img image build/nelson_down.qoi 10 && \
		echo '};' \
	) > build/images.c

clean:
	rm -r build