.PHONY: all build-gui build-game run

CXX = g++

LDFLAGS = -L./external/raylib/lib \
		  -L./external/box2d/build/src \
		  -L./external/asset_packer/bin \

LIBS = -lraylib -lwinmm -lgdi32 -lbox2d -lassetpacker

CXXFLAGS = -std=c++20 -O2 \
			-MMD -MP

DEBUGFLAGS = -std=c++20 -g -Og

INCLUDES = -I./external/raylib/include \
		   -I./external/entt/single_include \
		   -I./src/include \
		   -I./external/imgui \
		   -I./external/rlImGui \
		   -I./external/box2d/include \
		   -I./external/nhlohmann_json_3.12.0/ \
		   -I./external/asset_packer/bin/include \

IMGUI_SRCS =	./external/imgui/imgui.cpp \
				./external/imgui/imgui_demo.cpp \
				./external/imgui/imgui_draw.cpp \
				./external/imgui/imgui_tables.cpp \
				./external/imgui/imgui_widgets.cpp \

IMGUI_BACKEND = ./external/rlImGui/rlImGui.cpp



SRC_FILES = ./src/main.cpp \
			./src/asset.cpp \
			./src/movement.cpp \
			./src/player.cpp \
			./src/render.cpp \
			./src/scenes/scene.cpp \
			./src/scenes/game_play_scene.cpp \
			./src/scenes/menu_scene.cpp

IMGUI_OBJS =			$(patsubst ./external/imgui/%.cpp,./bin/%.o,$(IMGUI_SRCS))
IMGUI_BACKEND_OBJS =	$(patsubst ./external/rlImGui/%.cpp,./bin/%.o,$(IMGUI_BACKEND))
OBJS_FILES = 			$(patsubst ./src/%.cpp,./bin/%.o,$(SRC_FILES))

DEP_FILES = $(patsubst ./bin/%.o,./bin/%.d,$(OBJS_FILES))


all: build-game run

./bin/%.o: ./external/imgui/%.cpp
	@mkdir -p bin
	$(CXX) $(CXXFLAGS) $(INCLUDES) -c $< -o $@

./bin/%.o: ./external/rlImGui/%.cpp
	@mkdir -p bin
	$(CXX) $(CXXFLAGS) $(INCLUDES) -c $< -o $@

./bin/%.o: ./src/%.cpp
	@mkdir -p bin
	@mkdir -p $(dir $@)
	$(CXX) $(CXXFLAGS) $(INCLUDES) -c $< -o $@

compile_commands.json: clean
	@echo "Generating compile_commands.json..."
	bear -- $(MAKE)

-include $(DEP_FILES)

build-gui: $(IMGUI_OBJS)

build-gui-backend: $(IMGUI_BACKEND_OBJS)

build-core: $(OBJS_FILES)

build-game: $(OBJS_FILES) $(IMGUI_OBJS) $(IMGUI_BACKEND_OBJS) 
	@mkdir -p bin
	$(CXX) $(CXXFLAGS) $(OBJS_FILES) $(IMGUI_OBJS) $(IMGUI_BACKEND_OBJS) $(LDFLAGS) $(LIBS) -o ./bin/main.exe
	cp ./assets ./bin -rf

build-debug:
	@mkdir -p debug
	$(CXX) $(DEBUGFLAGS) $(INCLUDES) $(SRC_FILES) $(IMGUI_SRCS) $(IMGUI_BACKEND) $(LDFLAGS) $(LIBS) -o ./debug/d.exe
	cp ./assets ./debug -rf



clean: 
	@rm -r -f ./bin
	@rm -f compile_commands.json

clean-debug: 
	@rm -r -f ./debug

clean-all: clean clean-debug

run:
	./bin/main.exe

run-debug:
	./debug/d.exe