CC = gcc
BIN_DIR = bin
BINARY = main
SDL_BINARY = sdl
OBJS = main.o ktkMap.o ktkStructure.o ktkProgram.o ktk_parse.o
OBJ_DIR = obj
VPATH = src
CFLAGS = -Wall -Isrc/ -g -c
LFLAGS = -Wall

SDL_INCLUDE = -I/usr/include
SDL_OBJS = sdl_main.o ktkMap.o ktkStructure.o ktkProgram.o ktk_parse.o

SYS := $(shell uname)
ifeq ($(OS),Windows_NT)
  CFLAGS += $(SDL_INCLUDE)
  SDL_LFLAGS += -lmingw32 -lSDLmain
  SDL_LFLAGS += -lSDL
  BINARY = main.exe
  SDL_BINARY = sdl.exe
else ifeq ($(SYS),Darwin)
  SDL_OBJS += SDLMain.o
  SDL_LFLAGS += -framework SDL -framework Cocoa
  SDL_CFLAGS += -I/Library/Frameworks/SDL.framework/Headers
else
  SDL_LFLAGS += -lSDL
  LFLAGS += -lm
endif

main:
	$(MAKE) $(BIN_DIR)/$(BINARY)

all:
	$(MAKE) $(BIN_DIR)/$(BINARY)
	$(MAKE) $(BIN_DIR)/$(SDL_BINARY)
	$(MAKE) tools

sdl:
	$(MAKE) $(BIN_DIR)/$(SDL_BINARY)

$(BIN_DIR)/$(BINARY): $(patsubst %,$(OBJ_DIR)/%,$(OBJS))
	mkdir -p $(BIN_DIR)
	$(CC) $(LFLAGS) $^ -o $@

$(BIN_DIR)/$(SDL_BINARY): $(patsubst %,$(OBJ_DIR)/%,$(SDL_OBJS))
	mkdir -p $(BIN_DIR)
	$(CC) -o $@ $^ $(LFLAGS) $(SDL_LFLAGS)

tools: tools/tobmp
	$(MAKE) -C tools

clean:
	rm -f $(OBJ_DIR)/*.o && rm -f $(BIN_DIR)/$(BINARY) && rm -f $(BIN_DIR)/$(SDL_BINARY)
	cd tools && make clean

main.o: main.c ktkMap.c ktkMap.h ktk_parse.h
	$(CC) $(CFLAGS) main.c

$(OBJ_DIR)/%.o: %.c
	mkdir -p $(OBJ_DIR)
	$(CC) $(CFLAGS) $< -o $@

$(OBJ_DIR)/SDLMain.o: SDLMain.m
	$(CC) $(CFLAGS) $(SDL_CFLAGS) $< -o $@