.PHONY: all clean

IMAGES = $(foreach name, apple wall, public/assets/$(name)32.png)
TILESETS = $(foreach name, hole, public/assets/$(name)-ts.png)
JSON = $(foreach name, snake levelList config, public/assets/$(name).json)
ICON = public/assets/icon32.png public/assets/icon256.png public/favicon.ico
CSS = public/css/snek.css
JS = public/js/snek.js

OUTPUT = $(IMAGES) $(TILESETS) $(JSON) $(ICON) $(CSS) $(JS)

all: images tilesets json icon css js

images: $(IMAGES)
tilesets: $(TILESETS)
json: $(JSON)
icon: $(ICON)
css: $(CSS)
js: $(JS)

public/favicon.ico: assets/icon.jpg
	convert $^ -resize 32x $@

public/assets/%32.png: assets/%.png
	convert $^ -resize 32x $@
public/assets/%256.png: assets/%.png
	convert $^ -resize 256x $@

public/assets/%32.png: assets/%.jpg
	convert $^ -resize 32x $@
public/assets/%256.png: assets/%.jpg
	convert $^ -resize 256x $@

public/assets/%-ts.png: assets/%.png
	convert $^ -scale 32x $@

public/assets/%.json: assets/%.json
	cp $^ $@

public/css/snek.css: src/less/snek.less $(wildcard src/less/*.less)
	lessc $< $@

public/js/snek.js: $(wildcard src/js/*.js)
	node mergejs.js $^ > $@

clean:
	rm -f $(OUTPUT)