CXX = clang++
CXXFLAGS = -std=c++20 -O3 -Wall -Wextra -Wpedantic
LDFLAGS = -lsfml-graphics -lsfml-window -lsfml-system

NAME = osu++

INCLUDE = include
CXXFLAGS += -I$(INCLUDE)

SRC = src
BIN = target
PREPROCESSED = preprocessed

_PROG = HitObjectDrawable.cpp main.cpp osuparser.cpp TextureManager.cpp
PROG = $(addprefix $(SRC)/, $(_PROG))

OBJ = $(addprefix $(BIN)/, $(_PROG:.cpp=.o))

.PHONY: all clean test

all: dirs test $(NAME)

dirs:
	mkdir -p $(BIN)
	mkdir -p $(PREPROCESSED)

$(NAME): $(OBJ)
	$(CXX) $^ $(LDFLAGS) -o $(BIN)/$@

$(BIN)/%.o: $(SRC)/%.cpp
	$(CXX) -c $< $(CXXFLAGS) -o $@

clean:
	rm -rf $(addprefix $(BIN)/, $(OBJ))
	rm -rf $(BIN)/$(NAME)
	rm -rf $(BIN)
	rm -rf $(PREPROCESSED)

_PP_HXX = osuparser.hpp config.hpp
_PP_CXX = osuparser.cpp
_PP = $(_PP_HXX) $(_PP_CXX)
PP = $(addprefix $(PREPROCESSED)/, $(_PP))

# PP_DEBUG gets rid of all the macros we don't need
# when debugging the preprocessed output
pp: dirs $(PP)

$(PREPROCESSED)/%.hpp: $(INCLUDE)/%.hpp
	$(CXX) -DPP_DEBUG $(CXXFLAGS) -E $< > $@
	clang-format -i $@

$(PREPROCESSED)/%.cpp: $(SRC)/%.cpp
	$(CXX) -DPP_DEBUG $(CXXFLAGS) -E $< > $@
	clang-format -i $@

test:
	@CXX="$(CXX)" \
	CXXFLAGS="$(CXXFLAGS)" \
	BIN="$(BIN)/test" \
	INCLUDE="$(INCLUDE)" \
	make -f test/Makefile