# Special Thanks to Job Vranish at Atomic Object for the base Makefile that was modified slightly to work with this project's needs
# https://spin.atomicobject.com/2016/08/26/makefile-c-projects/
TARGET_EXEC ?= BeagleRescue.exe

BUILD_DIR ?= .\build
SRC_DIRS ?= .\src

#SRCS := $(shell find $(SRC_DIRS) -name '*.cpp' -or -name '*.c' -or -name '*.s')
SRCS := $(shell dir .\*.cpp /s /b)
OBJS := $(SRCS:%=$(BUILD_DIR)\%.o)
DEPS := $(OBJS:.o=.d)

#INC_DIRS := $(shell find $(SRC_DIRS) -type d)
INC_DIRS := $(dir .\src /ad /b /s )
INC_FLAGS := $(addprefix -I,$(INC_DIRS))

INCLUDE_PATHS = -IC:\mingw_dev_lib\sdl2\include\SDL2 -IC:\mingw_dev_lib\sdl_image\include\SDL2 -IC:\mingw_dev_lib\sdl_mixer\include\SDL2

LIBRARY_PATHS = -LC:\mingw_dev_lib\sdl2\lib -LC:\mingw_dev_lib\sdl2_image\lib -LC:\mingw_dev_lib\sdl2_mixer\lib

CPPFLAGS ?= $(INC_FLAGS) -Ilibsdl2/include -Ilibtmx-parser/src -Ilibtmx-parser/libs/tinyxml2 -MMD -MP -w 
COMPILER_FLAGS = -w "-Wl,-subsystem,windows" #Quotes used to force Powershell to parse correctly

#LINKER_FLAGS = libsdl2/build/.libs/libSDL2.a libsdl2_image/.libs/libSDL2_image.a libsdl2_mixer/build/.libs/libSDL2_mixer.a libtmx-parser/libtmxparser.a
$(BUILD_DIR)\$(TARGET_EXEC): $(OBJS)

# 	$(CC) $(OBJS) -o $@ $(LDFLAGS)
	$(CXX) $(OBJS) $(LINKER_FLAGS) -o $@

# assembly
$(BUILD_DIR)/%.s.o: %.s
	$(MKDIR_P) $(dir $@)
	$(AS) $(ASFLAGS) -c $< -o $@

# c source
$(BUILD_DIR)/%.c.o: %.c
	$(MKDIR_P) $(dir $@)
	$(CXX) $(CPPFLAGS) $(INCLUDE_PATHS) $(LIBRARY_PATHS)  $(COMPILER_FLAGS) $(CFLAGS) $(LINKER_FLAGS) -c $< -o $@

# c++ source
$(BUILD_DIR)/%.cpp.o: %.cpp
	$(MKDIR_P) $(dir $@)
	$(CXX) $(CPPFLAGS) $(INCLUDE_PATHS) $(LIBRARY_PATHS) $(COMPILER_FLAGS) $(CXXFLAGS) $(LINKER_FLAGS) -c $< -o $@

.PHONY: clean

clean:
	-del -fR $(BUILD_DIR)

-include $(DEPS)

MKDIR_P ?= mkdir -p