CPPFLAGS=-Wall -Wno-misleading-indentation -Werror --std=c++1z
LDFLAGS=
INCLUDES=-Iinclude -Ipge/include
ifeq ($(OS),Windows_NT)
	LIBRARIES=-luser32 -lgdi32 -lopengl32 -lgdiplus -lwinmm
	EXECUTABLE=debuggers.exe
	PACKER=packer/packer.exe
ifneq ($(DEBUG),1)
	LDFLAGS+=--machine=windows
endif
	CPP=i686-w64-mingw32-g++
	CC=i686-w64-mingw32-gcc
	MAKE=mingw32-make
else
	LIBRARIES=-lX11 -lGL -lpthread -lpng -lasound
	EXECUTABLE=debuggers
	PACKER=packer/packer
	CC=gcc
	CPP=g++
endif
ifeq ($(DEBUG),1)
	CPPFLAGS+=-g -O0 -D_DEBUG
else
	CPPFLAGS+=-flto -O3
endif
SOURCES=$(wildcard src/*.cpp) $(wildcard src/**/*.cpp) $(wildcard pge/src/*.cpp)
IMAGES=$(wildcard res/*.png)

OBJECTS=$(SOURCES:.cpp=.o)
SPRITES=$(IMAGES:.png=.pgs)
RESOURCES=$(SPRITES) $(wildcard res/*.wav) src/programmer.cpp

PACK=debuggers.pgp

all: $(SOURCES) $(PACK) $(EXECUTABLE)

clean: 
	$(RM) $(OBJECTS) $(SPRITES) $(PACK) $(EXECUTABLE)
	
$(EXECUTABLE): $(OBJECTS)
	$(CPP) $(LDFLAGS) $(OBJECTS) -o $@ $(LIBRARIES)
ifneq ($(DEBUG),1)
	strip $@
endif

.cpp.o:
	$(CPP) $(INCLUDES) -c $(CPPFLAGS) $< -o $@

%.pgs: %.png $(PACKER)
	$(PACKER) --convert $< $@

$(PACK): $(RESOURCES) $(PACKER)
	$(PACKER) --add $(PACK) $(RESOURCES)

run: $(PACK) $(EXECUTABLE)
	./$(EXECUTABLE)

$(PACKER):
	$(MAKE) -C packer