JAVAC=javac -O
JAR=jar
TARGET=Islet.zip
DATA=$(addsuffix .gif,food land robotx roboty wall water)

.PHONY: all jre app clean

all: $(TARGET)

Islet.jar: Islet.java $(DATA)
	$(RM) $(basename $<)*.class
	$(JAVAC) $<
	$(JAR) -cf $@ $(basename $<)*.class $(DATA)
	$(RM) $(basename $<)*.class

Islet.zip: Islet.html Islet.jar Islet.java Makefile $(DATA)
	rm -f $@
	zip -9 $@ $^

jre: Islet.jar
	jre -cp $< $(basename $<)

app: Islet.jar
	appletviewer $(basename $<).html

clean:
	$(RM) *.class Islet.jar Islet.zip