# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
#               2010, 2011, 2013, 2014
# Contributors to the Freedoom project.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#  * Neither the name of the freedoom project nor the names of its
#    contributors may be used to endorse or promote products derived from
#    this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

VERSION!=git describe
WADS=wads
CPP=scripts/simplecpp
DEUTEX=deutex
DEUTEX_BASIC_ARGS=-v0 -fullsnd -rate accept -rgb 0 255 255
DEUTEX_ARGS=$(DEUTEX_BASIC_ARGS) -doom2 bootstrap/

FREEDOOM1=$(WADS)/doom.wad
FREEDOOM2=$(WADS)/doom2.wad
FREEDM=$(WADS)/freedm.wad

OBJS=$(FREEDM) $(FREEDOOM1) $(FREEDOOM2)

all: $(OBJS)

subdirs:
	make -C graphics/text
	make -C graphics/titlepic
	make -C lumps

# this is a useless dependency to force builds

force:

# build texture1.txt for different builds

textures/doom2/texture1.txt: textures/combined.txt
	@mkdir -p textures/doom2
	$(CPP) -DDOOM1 -DDOOM2 < $< > $@
textures/doom/texture1.txt: textures/combined.txt
	@mkdir -p textures/doom
	$(CPP) -DDOOM1 -DULTDOOM < $< > $@
textures/freedm/texture1.txt: textures/combined.txt
	@mkdir -p textures/freedm
	$(CPP) -DFREEDM < $< > $@

textures/doom/pnames.txt: textures/doom/texture1.txt
	scripts/extract-pnames.py -a > $@
textures/doom2/pnames.txt: textures/doom2/texture1.txt
	scripts/extract-pnames.py -a > $@
textures/freedm/pnames.txt: textures/freedm/texture1.txt
	scripts/extract-pnames.py -a > $@

# update wadinfo.txt

wadinfo.txt: buildcfg.txt force textures/doom2/pnames.txt
	$(CPP) -P -DDOOM2 < $< | scripts/wadinfo-builder.py > $@
wadinfo_iwad.txt: buildcfg.txt force textures/doom2/pnames.txt
	$(CPP) -P -DDOOM2 < $< | scripts/wadinfo-builder.py -dummy > $@
wadinfo_ult.txt: buildcfg.txt force textures/doom/pnames.txt
	$(CPP) -P -DDOOM1 -DULTDOOM < $< | scripts/wadinfo-builder.py -dummy > $@
wadinfo_freedm.txt : buildcfg.txt force textures/freedm/pnames.txt
	$(CPP) -P -DFREEDM < $< | scripts/wadinfo-builder.py -dummy > $@

%.wad.gz: %.wad
	gzip < $< > $@
	chmod o-r $<
	md5sum $<.gz > $<.md5sum
	rm -f $<

# deutex doesnt allow redirects for the filenames in the texture
# entries, so we have to change the texture1 symlink to point
# to whichever wad we are working on

#---------------------------------------------------------
# freedm iwad

$(FREEDM): wadinfo_freedm.txt subdirs force
	@mkdir -p $(WADS)
	ln -sf freedm/texture1.txt textures/texture1.txt
	rm -f $@
	$(DEUTEX) $(DEUTEX_ARGS) -iwad -build wadinfo_freedm.txt $@

#---------------------------------------------------------
# doom2 iwad

$(FREEDOOM2): wadinfo_iwad.txt subdirs force
	@mkdir -p $(WADS)
	ln -sf doom2/texture1.txt textures/texture1.txt
	rm -f $@
	$(DEUTEX) $(DEUTEX_ARGS) -iwad -textures -lumps -patch -flats -sounds -musics -graphics -sprites -levels -build wadinfo_iwad.txt $@

#---------------------------------------------------------
# udoom iwad

$(FREEDOOM1): wadinfo_ult.txt subdirs force
	@mkdir -p $(WADS)
	ln -sf doom/texture1.txt textures/texture1.txt
	rm -f $@
	$(DEUTEX) $(DEUTEX_ARGS) -iwad -textures -lumps -patch -flats -sounds -musics -graphics -sprites -levels -build wadinfo_ult.txt $@

doc: BUILD-SYSTEM.asc README.asc
	asciidoc BUILD-SYSTEM.asc
	asciidoc README.asc

DISTDOCS=COPYING CREDITS README.html

# Due to convoluted reasons, the WADs must directly proceed the game name.
dist: $(OBJS) doc
	VERSION=$(VERSION) scripts/makepkgs freedm $(FREEDM) $(DISTDOCS)
	VERSION=$(VERSION) scripts/makepkgs freedoom $(FREEDOOM1) $(FREEDOOM2) $(DISTDOCS)

clean:
	rm -f	*.html deutex.log $(OBJS) \
		./wadinfo.txt ./wadinfo_sw.txt \
		./wadinfo_freedm.txt ./wadinfo_iwad.txt \
		./wadinfo_ult.txt \
		./lumps/freedoom.lmp \
		./lumps/freedm.lmp \
		./textures/doom/pnames.txt \
		./textures/doom/texture1.txt \
		./textures/doom2/pnames.txt \
		./textures/doom2/texture1.txt \
		./textures/freedm/pnames.txt \
		./textures/freedm/texture1.txt \
		./textures/texture1.txt
	-rmdir $(WADS) textures/doom textures/doom2 textures/freedm

	make -C lumps clean
	make -C graphics/text clean
	make -C graphics/titlepic clean