OS := $(shell uname)
ifeq ($(OS), Linux)
	SYSTEM = linux_amd64
else ifeq ($(OS), Darwin)
	SYSTEM = macos
else ifeq ($(OS), WindowsNT)
	SYSTEM = windows
else
	SYSTEM = unknown
endif

CC           := clang
RAYLIB_VER   := raylib-6.0_$(SYSTEM)
CFLAGS       := -std=c99 -v -g -I./vendor/$(RAYLIB_VER)/include
LDFLAGS      := ./vendor/$(RAYLIB_VER)/lib/libraylib.a -lm
GAME         := bin/stalag
HEXDUMP      := bin/hexdump
PACKER       := bin/packer
SOURCES      := main.c map.c game.c player.c

ifeq ($(SYSTEM), linux_amd64)
	LDFLAGS += -lX11
endif

ifeq ($(SYSTEM), macos)
	LDFLAGS += -framework CoreVideo -framework IOKit -framework Cocoa -framework GLUT -framework OpenGL
endif

all: info mkdirs $(HEXDUMP) $(PACKER) $(GAME)

.PHONY: info mkdirs clean

info: # Print out information about the build
	$(info CC         : $(CC))
	$(info SYSTEM     : $(SYSTEM))
	$(info RAYLIB_VER : $(RAYLIB_VER))
	$(info CFLAGS     : $(CFLAGS))
	$(info LDFLAGS    : $(LDFLAGS))

$(GAME): $(SOURCES)
	$(CC) $(CFLAGS) $(SOURCES) -o $(GAME) $(LDFLAGS)

$(HEXDUMP): tools/hexdump.c
	$(CC) -std=c99 -o $(HEXDUMP) tools/hexdump.c

$(PACKER): tools/packer.c
	$(CC) -std=c99 -o $(PACKER) tools/packer.c

data: $(PACKER)
	$(PACKER) -p data.pak textures maps fonts

mkdirs:
	mkdir -p bin

clean:
	-rm $(GAME) $(HEXDUMP)