CXX ?= g++
CFLAGS ?= -O2 -Wall -Wextra -std=c++14
PREFIX ?= /usr/local/bin
LDFLAGS ?= -lSDL2 -lSDL2_image -lSDL2_gfx -lSDL2_ttf -pthread

ifeq ($(OS),Windows_NT)
UNAME_S := Windows
else
UNAME_S := $(shell uname -s)
endif

TETRIS_OBJECTS = tetris.o scenes.o config.o functions.o global_vars.o

ifeq ($(UNAME_S),Linux)
TETRIS_OBJECTS += libsdlpp.so
SDLLIB = libsdlpp
endif
ifeq ($(UNAME_S),Darwin)
TETRIS_OBJECTS += libsdlpp.dylib
SDLLIB = sdlpp
endif

.PHONY: default
default: tetris

tetris: ${TETRIS_OBJECTS}
	$(CXX) $(CFLAGS) -o $@ $^ ${LDFLAGS} -L $(shell pwd) -l${SDLLIB}

tetris.o: tetris.cpp ../sdlpp/sdlpp.hpp config.hpp custom_classes.hpp scenes.hpp global_vars.hpp functions.hpp
	$(CXX) $(CFLAGS) -c -o $@ $<
scenes.o: scenes.cpp ../sdlpp/sdlpp.hpp config.hpp scenes.hpp functions.hpp global_vars.hpp
	$(CXX) $(CFLAGS) -c -o $@ $<
config.o: config.cpp config.hpp
	$(CXX) $(CFLAGS) -c -o $@ $<
functions.o: functions.cpp config.hpp functions.hpp global_vars.hpp scenes.hpp
	$(CXX) $(CFLAGS) -c -o $@ $<
global_vars.o: global_vars.cpp config.hpp global_vars.hpp functions.hpp
	$(CXX) $(CFLAGS) -c -o $@ $<
libsdlpp.so: ../sdlpp
	$(MAKE) -C ../sdlpp
	cp ../sdlpp/libsdlpp.so .
	ln -sf libsdlpp.so libsdlpp.so.1
libsdlpp.dylib: ../sdlpp
	$(MAKE) -C ../sdlpp
	cp ../sdlpp/libsdlpp.dylib .

start:
	LD_LIBRARY_PATH=$$(pwd) ./tetris

clean:
	rm -Rf *.o tetris