Makefile

EXE := build/ray-tracer
IMG := render/render.ppm
CONFIG_FILE := apps/config.json

.PHONY: all init build start test clean full-clean $(SUPPORTED_EXTENTIONS)

SUPPORTED_EXTENTIONS := png jpg jpeg
BUILD := $(dir $(EXE))

# launch project from scratch
all: build start png

# init project for use
init: full-clean build

# start project and create image from already compiled version
start: $(EXE)
	@mkdir -p $(dir $(IMG))
	@echo "* Rendering"
	$(EXE) $(CONFIG_FILE)

# launch project in dev mode (rebuild)
# dev: build start

# build project
build: 
	@mkdir -p $(BUILD)
	@echo "* Building app..." 
	@cd $(BUILD) &&  cmake .. && $(MAKE) --no-print-directory

# convert image to specified format
$(SUPPORTED_EXTENTIONS): $(IMG)
	@echo "* Convert to $@"
	@convert $< $(basename $<).$@

$(EXE):
	@$(MAKE) build --no-print-directory

# clean img folder
clean:
	@echo "clean render folder..."
	@rm -rf $(dir $(IMG))

# clean all folders
full-clean: clean
	@echo "clean build folder..."
	@rm -rf $(BUILD)