CC = clang

CFLAGS = -std=c99 -Wall -Wextra -Werror -pedantic
LDFLAGS = $(shell pkg-config --libs glfw3)
LIBS = $(shell pkg-config --cflags glfw3) -I./glad/include

.PHONY: run clean

all: baselayout dist engine

baselayout:
	mkdir -p bin
	mkdir -p obj

dist: present.glsl

present.glsl: shaders/present.frg.glsl shaders/present.vrt.glsl
	cp shaders/present.vrt.glsl bin/present.vs
	cp shaders/present.frg.glsl bin/present.fs

glad.o: glad/src/gl.c
	$(CC) -I./glad/include -c glad/src/gl.c -o obj/glad.o

main.o: main.c render.o canvas.o
	$(CC) $(CFLAGS) $(LIBS) -c main.c -o obj/main.o

render.o: render.c
	$(CC) $(CFLAGS) $(LIBS) -c render.c -o obj/render.o

canvas.o: canvas.c color.o
	$(CC) $(CFLAGS) $(LIBS) -c canvas.c -o obj/canvas.o

color.o: color.c
	$(CC) $(CFLAGS) $(LIBS) -c color.c -o obj/color.o

engine: main.o glad.o
	$(CC) $(CFLAGS) \
		$(LDFLAGS) \
		obj/main.o \
		obj/glad.o \
		obj/render.o \
		obj/canvas.o \
		obj/color.o \
		-o bin/engine

run: engine
	cd bin; \
		./engine

clean:
	rm -r obj bin