.POSIX:

target = c2
data_dir = data
shaders = \
	$(data_dir)/triangle.csh \
	$(data_dir)/ui.csh \
	$(data_dir)/surface.csh \
	$(data_dir)/surface_depthonly.csh \
	$(data_dir)/sky.csh
textures = \
	$(data_dir)/22.tex \
	$(data_dir)/kita.tex \
	$(data_dir)/brick_albedo.tex \
	$(data_dir)/brick_ao.tex \
	$(data_dir)/brick_normal.tex \
	$(data_dir)/sky.tex
models = $(data_dir)/monkey.mdl
materials = $(data_dir)/bricks.mat $(data_dir)/plastic.mat
packed_files = $(shaders) $(textures) $(models) $(materials)
tools = qstd cfg sc
objects = app.o c2.o video.o pipeline.o asset.o ui.o maths.o model.o
includes = -Iqstd
defines = -Dplat_x86 -Dplat_posix -Dplat_x11 -Dallocation_default_alignment=8
cflags = -MMD -MF $(basename $@).d $(includes) $(defines) $(DEBUG_COMPILE_FLAG)
libs = -lX11 -lm
lflags = $(libs) $(DEBUG_LINK_FLAG)

.PHONY: all clean $(tools)
all: $(target) $(shaders) $(tools) $(objects) pack

qstd:
	$(MAKE) -C qstd

cfg: qstd
	$(MAKE) -C cfg

sc: qstd cfg
	$(MAKE) -C sc

packer: packer.c | qstd
	$(CC) $(cflags) packer.c $(lflags) -Lqstd -lqstd -o packer

convtexture: convtexture.c | qstd
	$(CC) $(cflags) convtexture.c $(lflags) -Lqstd -lqstd -o convtexture

convmodel: convmodel.c | qstd
	$(CC) $(cflags) convmodel.c $(lflags) -Lqstd -lqstd -o convmodel

convmaterial: convmaterial.c | qstd cfg
	$(CC) $(cflags) convmaterial.c $(lflags) -Lqstd -lqstd -Lcfg -lcfg -o convmaterial

pack: $(packed_files) packer
	./packer pack $(data_dir) $(notdir $(packed_files))

data/triangle.csh: intermediate/triangle.glsl | $(data_dir) sc
	./sc/sc intermediate/triangle.glsl $(data_dir)/triangle.csh

data/ui.csh: intermediate/ui.glsl | $(data_dir) sc
	./sc/sc intermediate/ui.glsl $(data_dir)/ui.csh

data/surface.csh: intermediate/surface.glsl | $(data_dir) sc
	./sc/sc intermediate/surface.glsl $(data_dir)/surface.csh

data/surface_depthonly.csh: intermediate/surface_depthonly.glsl | $(data_dir) sc
	./sc/sc intermediate/surface_depthonly.glsl $(data_dir)/surface_depthonly.csh

data/sky.csh: intermediate/sky.glsl | $(data_dir) sc
	./sc/sc intermediate/sky.glsl $(data_dir)/sky.csh

data/22.tex: intermediate/22.bmp | $(data_dir) convtexture
	./convtexture intermediate/22.bmp $(data_dir)/22.tex bc1

data/kita.tex: intermediate/kita.bmp | $(data_dir) convtexture
	./convtexture intermediate/kita.bmp $(data_dir)/kita.tex bc1

data/brick_albedo.tex: intermediate/brick_albedo.bmp | $(data_dir) convtexture
	./convtexture intermediate/brick_albedo.bmp $(data_dir)/brick_albedo.tex bc1

data/brick_ao.tex: intermediate/brick_ao.bmp | $(data_dir) convtexture
	./convtexture intermediate/brick_ao.bmp $(data_dir)/brick_ao.tex bc4

data/brick_normal.tex: intermediate/brick_normal.bmp | $(data_dir) convtexture
	./convtexture intermediate/brick_normal.bmp $(data_dir)/brick_normal.tex bc5

data/sky.tex: intermediate/sky.hdr | $(data_dir) convtexture
	./convtexture intermediate/sky.hdr $(data_dir)/sky.tex rgb16f

data/monkey.mdl: intermediate/monkey.glb $(shaders) | $(data_dir) convmodel
	./convmodel $(data_dir) intermediate/monkey.glb $(data_dir)/monkey.mdl

data/bricks.mat: intermediate/bricks.mat | $(data_dir) convmaterial
	./convmaterial intermediate/bricks.mat $(data_dir)/bricks.mat

data/plastic.mat: intermediate/plastic.mat | $(data_dir) convmaterial
	./convmaterial intermediate/plastic.mat $(data_dir)/plastic.mat

app.o:
	$(CXX) -c $(cflags) app.cpp -o app.o

video.o:
	$(CXX) -c $(cflags) video.cpp -o video.o

pipeline.o:
	$(CXX) -c $(cflags) pipeline.cpp -o pipeline.o

asset.o:
	$(CXX) -c $(cflags) asset.cpp -o asset.o

ui.o:
	$(CXX) -c $(cflags) ui.cpp -o ui.o

maths.o:
	$(CXX) -c $(cflags) maths.cpp -o maths.o

model.o:
	$(CXX) -c $(cflags) model.cpp -o model.o

c2.o:
	$(CXX) -c $(cflags) c2.cpp -o c2.o

$(target): $(objects) qstd/libqstd.a
	$(CXX) $(objects) $(lflags) -o $(target) -Lqstd -lqstd

qstd/libqstd.a:
	$(MAKE) -C qstd

$(data_dir):
	mkdir -p $(data_dir)

clean:
	rm -rf $(data_dir)
	rm -f $(objects)
	rm -f $(objects:%.o=%.d)
	rm packer.d
	rm -f $(targets)
	rm -f convtexture
	rm -f convmodel
	rm -f packer
	make -C qstd clean
	make -C cfg clean
	make -C sc clean

-include $(objects:%.o=%.d)
-include packer.d