#################
# Configuration #
#################

NAME = 'PrBoom'

CC = 'cc'
LDFLAGS = ''
MIXERLIBS = '-framework CoreAudio -framework QuickTime -lSDL_mixer -lmikmod -logg -lvorbis -lvorbisfile'
LIBS = "-framework Foundation `sdl-config --libs` -lSDLmain -lSDL_net #{MIXERLIBS} -flat_namespace"
INCLUDES = '-I. -IMAC `sdl-config --cflags`'
DEFINES = '-DMACOSX -DHAVE_CONFIG_H'
CFLAGS = '-g -Wno-pointer-sign -Wno-packed'
MAKEDEPEND = '/usr/X11R6/bin/makedepend'
DOOMWADDIR = File::expand_path('~/Library/Application Support/PrBoom')
DEUTEX = 'deutex'

#####################
# Support functions #
#####################

def installRule(dir, file)
	target = File::join(dir, File::basename(file))
	file(target => [dir, file]) do |t|
		cp(file, target)
	end
end

def installTask(taskName, dir, files)
	if files.is_a?(String)
		files = [files]
	end

	array = []
	for f in files do
		array << File::join(dir, File::basename(f))
		installRule(dir, f)
	end
	task(taskName => array)
end

def bundleDir(dir)
	file(dir) do |t|
		sh("/Developer/Tools/SetFile -a B #{dir}")
	end
end

####################
# Bundle structure #
####################
directory(BUNDLEDIR = "#{NAME}.app")
directory(CONTENTSDIR = "#{BUNDLEDIR}/Contents")
directory(BINDIR = "#{CONTENTSDIR}/MacOS")
directory(RESOURCEDIR = "#{CONTENTSDIR}/Resources")

bundleDir(BUNDLEDIR)

installTask(:setup, CONTENTSDIR, 'mac/Info.plist')
task(:bundle => :setup)

##############
# App binary #
##############

sources = %w(
SDL/i_axes.c
SDL/i_sound.c
SDL/i_system.c
SDL/i_video.c
MAC/i_system.m
am_map.c
c_cmd.c
c_io.c
c_net.c
c_runcmd.c
d_client.c
d_deh.c
d_items.c
d_main.c
doomdef.c
doomstat.c
dstrings.c
f_finale.c
f_wipe.c
g_bind.c
g_bindaxes.c
g_cmd.c
g_config.c
g_demo.c
g_game.c
gl_dyn.c
gl_main.c
gl_preprocess.c
gl_texture.c
hu_frags.c
hu_over.c
hu_stuff.c
i_main.c
i_udp_sdl.c
info.c
lprintf.c
m_argv.c
m_bbox.c
m_cheat.c
m_fcvt.c
m_misc.c
m_random.c
mmus2mid.c
mn_engin.c
mn_menus.c
mn_misc.c
p_ceilng.c
p_chase.c
p_cmd.c
p_doors.c
p_enemy.c
p_floor.c
p_genlin.c
p_hubs.c
p_info.c
p_inter.c
p_lights.c
p_map.c
p_maputl.c
p_mobj.c
p_plats.c
p_pspr.c
p_saveg.c
p_setup.c
p_sight.c
p_spec.c
p_switch.c
p_telept.c
p_tick.c
p_user.c
psnprntf.c
r_bsp.c
r_data.c
r_draw.c
r_filter.c
r_main.c
r_patch.c
r_plane.c
r_segs.c
r_sky.c
r_things.c
s_sound.c
sounds.c
st_lib.c
st_stuff.c
t_func.c
t_oper.c
t_parse.c
t_prepro.c
t_script.c
t_spec.c
t_vari.c
tables.c
v_misc.c
v_video.c
version.c
w_mmap.c
w_wad.c
wi_stuff.c
z_bmalloc.c
z_zone.c
)

cleanfiles = []
objects = []
for source in sources
	object = "#{File::dirname(source)}/#{File::basename(source, '.*')}.o"
	file(object => source) do |task|
		sh("#{CC} #{CFLAGS} #{INCLUDES} #{DEFINES} -o #{task.name} -c #{task.prerequisites[0]}")
	end
	objects.push(object)
	cleanfiles.push(object)
end

require 'rake/loaders/makefile'
file('depends.mf' => sources) do |task|
	sh("#{MAKEDEPEND} -f- -- #{INCLUDES} #{DEFINES} -- #{task.prerequisites} > #{task.name} 2> /dev/null")
end
import 'depends.mf'
cleanfiles.push('depends.mf')

file("#{BINDIR}/#{NAME}" => [BINDIR, *objects]) do |task|
	sh("#{CC} #{LDFLAGS} -o #{task.name} #{task.prerequisites[1..-1].join(' ')} #{LIBS}")
end

task(:binary => "#{BINDIR}/#{NAME}")
task(:bundle => :binary)

############
# App data #
############

wadfiles = [Dir::glob('../data/graphics/*.ppm'),
            Dir::glob('../data/sprites/*.ppm'),
            Dir::glob('../data/lumps/*.lmp'),
            Dir::glob('../data/Psounds/*.wav')].flatten

file("#{RESOURCEDIR}/prboom.wad" => [RESOURCEDIR, '../data/prboom.txt', *wadfiles]) do |task|
	sh("cd ../data && DOOMWADDIR='#{DOOMWADDIR}' #{DEUTEX} -make prboom.txt ../src/#{task.name}")
end

task(:data => "#{RESOURCEDIR}/prboom.wad")
installTask(:data, RESOURCEDIR, 'MAC/PrBoom.icns')
task(:bundle => :data)

################
# Main targets #
################

task(:default => :bundle)

task(:clean) do |task|
	rm_rf(cleanfiles)
	rm_rf(BUNDLEDIR)
end