DESTDIR  ?=
prefix   ?= /usr/local
bindir   ?= $(prefix)/games
libdir   ?= $(prefix)/lib/games/ironseed
sharedir ?= $(prefix)/share/games/ironseed
docdir   ?= $(prefix)/share/doc/ironseed
deskdir  ?= $(prefix)/share/applications
icondir  ?= $(prefix)/share/icons/hicolor/128x128/apps

CC	 ?= gcc
p_compiler:= fpc
d_compiler = gdc -g -funittest -fall-instantiations -o $@

# try to fall back to ldc if gdc is not installed
HAVE_GDC := $(shell command -v gdc 2> /dev/null)
ifndef HAVE_GDC
d_compiler = ldc2 -g -check-printf-calls -of=$@
endif

PFLAGS:= -Mtp -g -gl -gv
#-Aas -ap
fpc_debug:= -C3 -Ci -Co -CO  -O1 -gw -godwarfsets  -gt -vewnhiq   -Sa -Sy  -vm4049 -k--build-id
# enable fatal warnings/notes when developing
#fpc_debug += -Sewnh
# -O- -Cr -CR -Ct   -gh  -gc -dDEBUG  -dTrace
libgcc_dir := $(shell find /usr/ -name libgcc_s.so -printf "-Fl%h " 2>/dev/null)
PFLAGS += -k-lSDL2_mixer -k-lSDL2 -k-lm $(libgcc_dir)

c_includes:=`sdl2-config --cflags` -I /usr/X11R6/include
CFLAGS += -g -Wall -W -pedantic -Wno-unused-parameter -Wconversion $(c_includes)

# PIE etc. hardening wanted by Debian - see https://wiki.debian.org/Hardening
PFLAGS += -fPIC
CFLAGS += -fpic -D_FORTIFY_SOURCE=2
# automatically extract from: LDFLAGS=-Wl,-z,relro -Wl,-z,now
wlz=-Wl,-z,
ifneq (,$(findstring $(wlz)relro,$(LDFLAGS)))
PFLAGS += -k'-z relro'
endif
ifneq (,$(findstring $(wlz)now,$(LDFLAGS)))
PFLAGS += -k'-z now'
endif
ifneq (,$(findstring -pie,$(LDFLAGS)))
PFLAGS += -k-pie
endif


rebuild: clean all cleantmp
# default target to build, best is debug_sdl (NOT "release_sdl" AKA "no-checks" versions!)
all: clearpaths debug_sdl1

cleanbuild: clean build cleantmp

# SDL no-checks version
release_sdl: CFLAGS += -O -DNDEBUG
release_sdl: cleanbuild

# SDL debug version
debug_sdl1 demo_sdl1 data_build Data_Generators/makedata/iconmake Data_Generators/makedata/makeani Data_Generators/makedata/shp2make: CFLAGS += -O1 -Werror

debug_sdl:   clean debug_sdl1 cleantmp
debug_sdl1:  PFLAGS += $(fpc_debug)
debug_sdl1:  build

# DEMO SDL debug version
demo_sdl:    clean demo_sdl1 cleantmp
demo_sdl1:   PFLAGS += $(fpc_debug) -dDEMO
demo_sdl1:   build

PROG_FILES = is crewgen intro main
DATA_TOOLS_D = Data_Generators/makedata/convmake Data_Generators/makedata/logmake
DATA_TOOLS_P = Data_Generators/makedata/aliemake Data_Generators/makedata/artimake Data_Generators/makedata/cargmake Data_Generators/makedata/creamake Data_Generators/makedata/crewmake Data_Generators/makedata/elemmake Data_Generators/makedata/eventmak Data_Generators/makedata/itemmake Data_Generators/makedata/makename Data_Generators/makedata/scanmake Data_Generators/makedata/shipmake Data_Generators/makedata/sysmake Data_Generators/makedata/weapmake  Data_Generators/makedata/iconmake Data_Generators/makedata/namemake Data_Generators/makedata/makeani Data_Generators/makedata/shp2make Data_Generators/misc/scr2cpr Data_Generators/misc/cpr2scr Data_Generators/misc/cpr2tga Data_Generators/misc/tga2cpr

CREWCONVS := data/conv0001.dta data/conv0002.dta data/conv0003.dta data/conv0004.dta data/conv0005.dta data/conv0006.dta
RACECONVS := data/conv1001.dta data/conv1002.dta data/conv1003.dta data/conv1004.dta data/conv1005.dta data/conv1006.dta data/conv1007.dta data/conv1008.dta data/conv1009.dta data/conv1010.dta data/conv1011.dta
SPECCONVS := data/conv1100.dta data/conv1101.dta data/conv1102.dta data/conv1103.dta data/conv1000.dta
CPR_CREW0 := data/image01.cpr data/image02.cpr data/image03.cpr data/image04.cpr data/image05.cpr data/image06.cpr data/image07.cpr data/image08.cpr data/image09.cpr data/image10.cpr data/image11.cpr data/image12.cpr data/image13.cpr data/image14.cpr data/image15.cpr data/image16.cpr data/image17.cpr data/image18.cpr data/image19.cpr data/image20.cpr data/image21.cpr data/image22.cpr data/image23.cpr data/image24.cpr data/image25.cpr data/image26.cpr data/image27.cpr data/image28.cpr data/image29.cpr data/image30.cpr data/image31.cpr data/image32.cpr
CPR_MISC0 := data/trade.cpr data/end6.cpr data/waricon.cpr data/cloud.cpr Data_Generators/makedata/charani.cpr Data_Generators/makedata/shippart.cpr
CPR_SELFPAL1 := data/main.cpr data/main3.cpr data/end1.cpr data/end2.cpr data/end3.cpr data/end4.cpr data/end5.cpr data/alien.cpr data/alien1.cpr data/alien2.cpr data/alien3.cpr data/alien4.cpr data/alien5.cpr data/alien6.cpr data/alien7.cpr data/alien8.cpr data/alien9.cpr data/alien10.cpr data/demoscr2.cpr data/demoscr3.cpr data/demoscr4.cpr data/demoscrn.cpr data/cargo.cpr data/channel7.cpr data/fight.cpr data/intro2.cpr data/intro3.cpr data/intro5.cpr data/intro6.cpr data/battle1.cpr data/charcom.cpr data/saver.cpr data/ship1.cpr data/world.cpr data/char.cpr data/tech1.cpr data/sector.cpr data/landform.cpr data/psyche.cpr data/char2.cpr data/com.cpr data/log.cpr  data/back1.cpr data/back2.cpr data/back3.cpr data/back4.cpr data/back5.cpr data/back6.cpr data/back7.cpr data/back8.cpr data/back9.cpr data/back10.cpr data/back11.cpr Data_Generators/makedata/planicon.cpr
IMG_FILES := data/main.pal $(CPR_SELFPAL1) $(CPR_CREW0) $(CPR_MISC0)
DATA_FILES := data/log.dta  data/titles.dta $(CREWCONVS) $(RACECONVS) $(SPECCONVS) $(IMG_FILES) data/iteminfo.dta  data/cargo.dta data/creation.dta data/scan.dta data/sysname.dta data/contact0.dta data/crew.dta data/artifact.dta data/elements.dta data/event.dta data/weapon.dta data/weapicon.dta data/planicon.dta data/ships.dta data/planname.txt data/icons.vga data/charani.dta data/shippix.dta data/plan1.dta data/sysset.dta

build:  $(PROG_FILES) $(DATA_FILES)

c_utils.o: Makefile c_utils.c
	$(CC) $(CFLAGS) -c c_utils.c

$(PROG_FILES): Makefile c_utils.o _paths_.pas *.pas
	$(p_compiler) $(PFLAGS) $@.pas

test/test_0_c: clean Makefile c_utils.c test/test_0_c.c
	$(CC) $(CFLAGS) -O1 -Werror test/test_0_c.c `sdl2-config --libs` -lSDL_mixer -lm -lGL -lGLU  -o test/test_0_c

test/test_0_pas: CFLAGS += -O1 -Werror
test/test_0_pas: PFLAGS += $(fpc_debug) -k-lGL -k-lGLU
test/test_0_pas: clean Makefile c_utils.o test/test_0_pas.pas
	$(p_compiler) $(PFLAGS) test/test_0_pas.pas

# needed because fpc does not have gcc-like -dVAR=VALUE syntax :(
_paths_.pas: Makefile
	echo "{ Autogenerated by Makefile, do not modify directly! }" > $@
	echo "Unit _paths_;" >> $@
	echo "INTERFACE" >> $@
	echo "function prog_libdir:string;" >> $@
	echo "function prog_sharedir:string;" >> $@
	echo "IMPLEMENTATION" >> $@
	echo "function prog_libdir:string; begin; prog_libdir:='$(libdir)'; end;" >> $@
	echo "function prog_sharedir:string; begin; prog_sharedir:='$(sharedir)'; end;" >> $@
	echo "begin end." >> $@

clearpaths:
	rm -f _paths_.pas

cleantmp: clearpaths
	find . -iname "*.ppu" -print0 | xargs -0r rm -f
	find . -iname "*.s" -print0 | xargs -0r rm -f

clean: cleantmp
	rm -f $(PROG_FILES)
	rm -f link.res
	find . -iname "*.o" -print0 | xargs -0r rm -f

cleanbak:
	find . -iname "*~" -print0 | xargs -0r rm -f
	find . -iname "*.bak" -print0 | xargs -0r rm -f

distclean: clean cleanbak
	rm -f $(DATA_TOOLS_D) $(DATA_TOOLS_P) tags
	rm -f test/test_0_c test/test_0_pas test/testdiv0 test/testkey1 test/testsize test/test_write test/filename
	rm -f LPT1 TEMP/* Data_Generators/misc/tga_head.bin
	touch TEMP/keep.c

reallyclean: distclean data_destroy
	-dh clean

mrproper: reallyclean
	rm -rf data/savegame.dir save?

tags: *.c *.pas
	ctags $^


Data_Generators/makedata/convmake: Data_Generators/makedata/convmake.d Data_Generators/makedata/data.d
Data_Generators/makedata/logmake: Data_Generators/makedata/logmake.d Data_Generators/makedata/data.d
$(DATA_TOOLS_D):
	$(d_compiler) $^

Data_Generators/makedata/aliemake: Data_Generators/makedata/aliemake.pas
Data_Generators/makedata/artimake: Data_Generators/makedata/artimake.pas
Data_Generators/makedata/cargmake: Data_Generators/makedata/cargmake.pas
Data_Generators/makedata/creamake: Data_Generators/makedata/creamake.pas
Data_Generators/makedata/crewmake: Data_Generators/makedata/crewmake.pas
Data_Generators/makedata/elemmake: Data_Generators/makedata/elemmake.pas
Data_Generators/makedata/eventmak: Data_Generators/makedata/eventmak.pas
Data_Generators/makedata/itemmake: Data_Generators/makedata/itemmake.pas
Data_Generators/makedata/makename: Data_Generators/makedata/makename.pas
Data_Generators/makedata/scanmake: Data_Generators/makedata/scanmake.pas
Data_Generators/makedata/shipmake: Data_Generators/makedata/shipmake.pas
Data_Generators/makedata/sysmake: Data_Generators/makedata/sysmake.pas
Data_Generators/makedata/weapmake: Data_Generators/makedata/weapmake.pas
Data_Generators/makedata/iconmake: Data_Generators/makedata/iconmake.pas c_utils.o data.pas utils_.pas _paths_.pas
Data_Generators/makedata/namemake: Data_Generators/makedata/namemake.pas
Data_Generators/makedata/makeani: Data_Generators/makedata/makeani.pas   c_utils.o data.pas utils_.pas _paths_.pas
Data_Generators/makedata/shp2make: Data_Generators/makedata/shp2make.pas c_utils.o data.pas utils_.pas _paths_.pas

Data_Generators/misc/scr2cpr: Data_Generators/misc/scr2cpr.pas Data_Generators/misc/data2.pas
Data_Generators/misc/cpr2scr: Data_Generators/misc/cpr2scr.pas Data_Generators/misc/data2.pas
Data_Generators/misc/cpr2tga: Data_Generators/misc/cpr2tga.pas Data_Generators/misc/data2.pas
Data_Generators/misc/tga2cpr: Data_Generators/misc/tga2cpr.pas Data_Generators/misc/data2.pas

$(DATA_TOOLS_P):
	$(p_compiler) $(PFLAGS)  $<

data/log.dta  data/titles.dta: Data_Generators/makedata/logmake Data_Generators/makedata/logs.txt
	Data_Generators/makedata/logmake Data_Generators/makedata/logs.txt data/titles.dta data/log.dta


data/conv%.dta:
	Data_Generators/makedata/convmake $< $(subst .dta,,$@)

data/conv1000.dta:
	touch data/conv1000.dta data/conv1000.ind

data/conv0001.dta: Data_Generators/makedata/crewcon1.txt Data_Generators/makedata/convmake
data/conv0002.dta: Data_Generators/makedata/crewcon2.txt Data_Generators/makedata/convmake
data/conv0003.dta: Data_Generators/makedata/crewcon3.txt Data_Generators/makedata/convmake
data/conv0004.dta: Data_Generators/makedata/crewcon4.txt Data_Generators/makedata/convmake
data/conv0005.dta: Data_Generators/makedata/crewcon5.txt Data_Generators/makedata/convmake
data/conv0006.dta: Data_Generators/makedata/crewcon6.txt Data_Generators/makedata/convmake

data/conv1001.dta: Data_Generators/makedata/sengcon1.txt Data_Generators/makedata/convmake
data/conv1002.dta: Data_Generators/makedata/dpahcon1.txt Data_Generators/makedata/convmake
data/conv1003.dta: Data_Generators/makedata/aardcon1.txt Data_Generators/makedata/convmake
data/conv1004.dta: Data_Generators/makedata/ermicon1.txt Data_Generators/makedata/convmake
data/conv1005.dta: Data_Generators/makedata/titecon1.txt Data_Generators/makedata/convmake
data/conv1006.dta: Data_Generators/makedata/quacon1.txt  Data_Generators/makedata/convmake
data/conv1007.dta: Data_Generators/makedata/scavcon1.txt Data_Generators/makedata/convmake
data/conv1008.dta: Data_Generators/makedata/iconcon1.txt Data_Generators/makedata/convmake
data/conv1009.dta: Data_Generators/makedata/guilcon1.txt Data_Generators/makedata/convmake
data/conv1010.dta: Data_Generators/makedata/mochcon1.txt Data_Generators/makedata/convmake
data/conv1011.dta: Data_Generators/makedata/voidcon1.txt Data_Generators/makedata/convmake

data/conv1100.dta: Data_Generators/makedata/tek2con1.txt Data_Generators/makedata/convmake
data/conv1101.dta: Data_Generators/makedata/tek3con1.txt Data_Generators/makedata/convmake
data/conv1102.dta: Data_Generators/makedata/tek4con1.txt Data_Generators/makedata/convmake
data/conv1103.dta: Data_Generators/makedata/tek5con1.txt Data_Generators/makedata/convmake

data/charani.dta:     Data_Generators/makedata/makeani data/char.cpr Data_Generators/makedata/charani.cpr
	Data_Generators/makedata/makeani
data/shippix.dta:     Data_Generators/makedata/shp2make Data_Generators/makedata/shippart.cpr
	Data_Generators/makedata/shp2make
data/iteminfo.dta: Data_Generators/makedata/itemmake Data_Generators/makedata/iteminfo.txt
	Data_Generators/makedata/itemmake > /dev/null
data/creation.dta: Data_Generators/makedata/creamake Data_Generators/makedata/creation.txt  data/cargo.dta
	Data_Generators/makedata/creamake > /dev/null
data/cargo.dta:    Data_Generators/makedata/cargmake Data_Generators/makedata/cargo.txt
	Data_Generators/makedata/cargmake > /dev/null
data/scan.dta:     Data_Generators/makedata/scanmake Data_Generators/makedata/scandata.txt
	Data_Generators/makedata/scanmake
data/sysname.dta data/sysset.dta Data_Generators/other/sysdata.txt:  Data_Generators/makedata/sysmake  Data_Generators/makedata/names.txt Data_Generators/makedata/sysset.txt
	Data_Generators/makedata/sysmake > /dev/null
data/contact0.dta: Data_Generators/makedata/aliemake Data_Generators/makedata/contact.txt
	Data_Generators/makedata/aliemake > /dev/null
data/crew.dta:     Data_Generators/makedata/crewmake Data_Generators/makedata/crew.txt
	Data_Generators/makedata/crewmake > /dev/null
data/artifact.dta: Data_Generators/makedata/artimake Data_Generators/makedata/anom.txt
	Data_Generators/makedata/artimake > /dev/null
data/elements.dta: Data_Generators/makedata/elemmake Data_Generators/makedata/element.txt
	Data_Generators/makedata/elemmake > /dev/null
data/event.dta:    Data_Generators/makedata/eventmak Data_Generators/makedata/event.txt
	Data_Generators/makedata/eventmak > /dev/null
data/weapon.dta:   Data_Generators/makedata/weapmake Data_Generators/makedata/weapon.txt
	Data_Generators/makedata/weapmake > /dev/null
data/ships.dta:    Data_Generators/makedata/shipmake Data_Generators/makedata/alienshp.txt
	Data_Generators/makedata/shipmake > /dev/null
data/weapicon.dta data/planicon.dta: Data_Generators/makedata/iconmake Data_Generators/makedata/planicon.cpr
	Data_Generators/makedata/iconmake > /dev/null
data/planname.txt: Data_Generators/makedata/namemake Data_Generators/makedata/newnames.txt
	Data_Generators/makedata/namemake > /dev/null
data/icons.vga: Graphics_Assets/icons.png Data_Generators/misc/ppm2icons.pl data/main.pal
	convert $< ppm:- | Data_Generators/misc/ppm2icons.pl  data/main.pal > $@

data/main.pal: data/main.cpr Data_Generators/misc/cpr_extract_pal Data_Generators/misc/cpr2scr
	Data_Generators/misc/cpr_extract_pal $<
	mv -f TEMP/main.pal $@

# canned command sequence -- PNG with embedded PAL=CPR with embedded PAL
define build-cpr1-via-self
Data_Generators/misc/png_to_cpr $< $@
endef
dep-build-cpr1-via-self := Makefile Data_Generators/misc/tga2cpr Data_Generators/misc/png_to_cpr

# canned command sequence -- PNG+PAL(from CPR w/PAL)=CPR without embedded PAL
define build-cpr0-via-cpr1
Data_Generators/misc/png_to_cprnopal $(word 2,$^) $< $@
endef
dep-build-cpr0-via-cpr1 := Makefile Data_Generators/misc/ppmpal2scr.pl Data_Generators/misc/scr2cpr Data_Generators/misc/cpr2scr Data_Generators/misc/cpr_extract_pal Data_Generators/misc/pngpal_to_cpr Data_Generators/misc/png_to_cprnopal

data/plan1.dta:		Graphics_Assets/plan1.png			$(dep-build-cpr1-via-self) Data_Generators/misc/cpr2scr
	Data_Generators/misc/png_to_cpr $< TEMP/_plan1.cpr
	Data_Generators/misc/cpr2scr TEMP/_plan1
	dd bs=240 count=120 if=TEMP/_plan1.scr of=$@
	rm -f TEMP/_plan1.*

data/image%.cpr:	data/char.cpr Graphics_Assets/image%.png	$(dep-build-cpr0-via-cpr1)
	WIDTH=70 HEIGHT=70 $(build-cpr0-via-cpr1)

data/trade.cpr:		data/com.cpr Graphics_Assets/trade.png		$(dep-build-cpr0-via-cpr1)
	$(build-cpr0-via-cpr1)

data/end6.cpr:		data/end5.cpr Graphics_Assets/end6.png		$(dep-build-cpr0-via-cpr1)
	$(build-cpr0-via-cpr1)

data/waricon.cpr:	data/fight.cpr Graphics_Assets/waricon.png	$(dep-build-cpr0-via-cpr1)
	$(build-cpr0-via-cpr1)

# NB - maybe should use main.cpr instead of fight.cpr for PAL temple for cloud? it is used elsewhere, but first colors are the same...
data/cloud.cpr:		data/fight.cpr Graphics_Assets/cloud.png	$(dep-build-cpr0-via-cpr1)
	$(build-cpr0-via-cpr1)

Data_Generators/makedata/charani.cpr:	data/char.cpr Graphics_Assets/charani.png	$(dep-build-cpr0-via-cpr1)
	$(build-cpr0-via-cpr1)

Data_Generators/makedata/shippart.cpr:	data/char.cpr Graphics_Assets/shippart.png	$(dep-build-cpr0-via-cpr1)
	$(build-cpr0-via-cpr1)

Data_Generators/makedata/planicon.cpr:	Graphics_Assets/planicon.png	$(dep-build-cpr1-via-self)
	$(build-cpr1-via-self)

# if none of the above rules for .cpr match, use this one (CPR with it's own independent palette)
data/%.cpr:	Graphics_Assets/%.png					$(dep-build-cpr1-via-self)
	$(build-cpr1-via-self)

data_destroy:
	rm -f $(DATA_TOOLS_D) $(DATA_TOOLS_P) $(DATA_FILES) data/conv*.ind

data_build:   $(DATA_TOOLS_D) $(DATA_TOOLS_P) $(DATA_FILES)

data_rebuild: data_destroy data_build

install: cleanbak
	test -d $(DESTDIR)$(libdir) || mkdir -p $(DESTDIR)$(libdir)
	install $(PROG_FILES) $(DESTDIR)$(libdir)
	test -d $(DESTDIR)$(bindir) || mkdir -p $(DESTDIR)$(bindir)
	mv -f $(DESTDIR)$(libdir)/is $(DESTDIR)$(bindir)
	ln -s is $(DESTDIR)$(bindir)/ironseed
	test -d $(DESTDIR)$(sharedir)/data || mkdir -p $(DESTDIR)$(sharedir)/data
	install -m 0644 data/* $(DESTDIR)$(sharedir)/data
	rm -f $(DESTDIR)$(sharedir)/data/savegame.dir
	test -d $(DESTDIR)$(sharedir)/sound || mkdir -p $(DESTDIR)$(sharedir)/sound
	install -m 0644 sound/*.SAM sound/*.MOD $(DESTDIR)$(sharedir)/sound
	test -d $(DESTDIR)$(docdir) || mkdir -p $(DESTDIR)$(docdir)
	install -m 0644 README.md Documents/* $(DESTDIR)$(docdir)
	test -d $(DESTDIR)$(deskdir) || mkdir -p $(DESTDIR)$(deskdir)
	install -m 0644 ironseed.desktop $(DESTDIR)$(deskdir)
	test -d $(DESTDIR)$(icondir) || mkdir -p $(DESTDIR)$(icondir)
	install -m 0644 ironseed.png $(DESTDIR)$(icondir)

uninstall:
	cd $(DESTDIR)$(bindir) && rm -f is ironseed
	cd $(DESTDIR)$(libdir) && rm -f $(PROG_FILES)
	rmdir $(DESTDIR)$(libdir)
	cd $(DESTDIR)$(sharedir) && rm -f README.md $(wildcard data/* sound/*)
	rmdir $(DESTDIR)$(sharedir)/data $(DESTDIR)$(sharedir)/sound $(DESTDIR)$(sharedir)
	cd $(DESTDIR)$(docdir) && rm -f README.md $(notdir $(wildcard Documents/*))
	rmdir $(DESTDIR)$(docdir)
	cd $(DESTDIR)$(deskdir) && rm -f ironseed.desktop
	rmdir $(DESTDIR)$(deskdir)
	cd $(DESTDIR)$(icondir) && rm -f ironseed.png
	rmdir $(DESTDIR)$(icondir)

deb:
	debuild
	lintian --check --fail-on-warnings --info
	dh clean

.PHONY: all build cleanbuild cleantmp clean reallyclean release_sdl debug_sdl debug_sdl1  demo_sdl demo_sdl1 data_destroy data_build data_rebuild cleanbak mrproper distclean rebuild install uninstall clearpaths deb

# fpc does not really work nicely with parallel builds, as for example `fpc main` and `fpc intro` can try to produce 'data.ppu' etc. simultaneously
.NOTPARALLEL: