# This file is used by Makefile and declares common build rules,
# a list of common object files etc.
#

######################################################################
# The default build target: just build the scummvm executable
######################################################################

all: $(EXECUTABLE) plugins

ifdef SPLIT_DWARF
all: $(EXECUTABLE).dwp
endif

ifdef USE_PANDOC
all: PANDOC_CONVERT
endif

######################################################################
# Module settings
######################################################################

PLUGINS :=
MODULES := test devtools base $(MODULES)

-include engines/engines.mk

# After the game specific modules follow the shared modules
MODULES += \
	engines \
	gui \
	backends \
	video \
	image \
	graphics \
	audio \
	math \
	common \
	po \
	doc

ifdef USE_MT32EMU
MODULES += audio/softsynth/mt32
endif

######################################################################
# The build rules follow - normally you should have no need to
# touch whatever comes after here.
######################################################################

# Concat DEFINES and INCLUDES to form the CPPFLAGS
CPPFLAGS := $(DEFINES) $(INCLUDES)

# Include the build instructions for all modules
-include $(addprefix $(srcdir)/, $(addsuffix /module.mk,$(MODULES)))

# Store original info
MODULES_ORIG:= $(MODULES)
MODULE_DIRS_ORIG := $(MODULE_DIRS)
KYRARPG_COMMON_OBJ_ORIG := $(KYRARPG_COMMON_OBJ)

# Skip rules for these files, by resetting the LOAD_RULES_MK
LOAD_RULES_MK :=

ifdef DETECTION_FULL
# Reset detection objects, which uptill now are filled with only
# enabled engines.
DETECT_OBJS :=

# Include all engine's module files, which populate DETECT_OBJS
-include $(srcdir)/engines/*/module.mk
endif

# Reset stuff
MODULES := $(MODULES_ORIG)
MODULE :=
MODULE_OBJS :=
MODULE_DIRS := $(MODULE_DIRS_ORIG)
PLUGIN :=
KYRARPG_COMMON_OBJ := $(KYRARPG_COMMON_OBJ_ORIG)

# Enable-rules again
LOAD_RULES_MK := 1

ifneq ($(DETECTION_STATIC), 1)
-include $(srcdir)/base/detection/module.mk
else
MODULE_DIRS += $(sort $(dir $(DETECT_OBJS)))
endif

# Depdir information
DEPDIRS = $(addsuffix $(DEPDIR),$(MODULE_DIRS))
DEPFILES =

# Make base/version.o depend on all other object files. This way if anything is
# changed, it causes version.cpp to be recompiled. This in turn ensures that
# the build date in gScummVMBuildDate is correct.
base/version.o: $(filter-out base/libbase.a,$(OBJS))

ifdef USE_ELF_LOADER
backends/plugins/elf/version.o: $(filter-out base/libbase.a,$(filter-out backends/libbackends.a,$(OBJS)))
endif

# Replace regular output with quiet messages
ifneq ($(findstring $(MAKEFLAGS),s),s)
ifneq ($(VERBOSE_BUILD),1)
ifneq ($(VERBOSE_BUILD),yes)
QUIET_CC      = @echo '   ' C '      ' $@;
QUIET_CXX     = @echo '   ' C++ '    ' $@;
QUIET_AS      = @echo '   ' AS '     ' $@;
QUIET_NASM    = @echo '   ' NASM '   ' $@;
QUIET_PANDOC  = @echo '   ' PANDOC ' ' $@;
QUIET_AR      = @echo '   ' AR '     ' $@;
QUIET_RANLIB  = @echo '   ' RANLIB ' ' $@;
QUIET_PLUGIN  = @echo '   ' PLUGIN ' ' $@;
QUIET_LINK    = @echo '   ' LINK '   ' $@;
QUIET_DWP     = @echo '   ' DWP '    ' $@;
QUIET_WINDRES = @echo '   ' WINDRES '' $@;
QUIET         = @
endif
endif
endif

# The build rule for the ScummVM executable
$(EXECUTABLE): $(DETECT_OBJS) $(OBJS)
	+$(QUIET_LINK)$(LD) $(LDFLAGS) $(PRE_OBJS_FLAGS) $+ $(POST_OBJS_FLAGS) $(LIBS) -o $@

ifdef SPLIT_DWARF
$(EXECUTABLE).dwp: $(EXECUTABLE)
	$(QUIET_DWP)$(DWP) -e $(EXECUTABLE)
endif

distclean: clean clean-devtools
	$(RM) config.h config.mk config.log engines/engines.mk engines/plugins_table.h

clean: clean-toplevel
clean-toplevel:
	$(RM_REC) $(DEPDIRS)
	$(RM) $(OBJS) $(DETECT_OBJS) $(EXECUTABLE)
ifdef SPLIT_DWARF
	$(RM) $(OBJS:.o=.dwo) $(DETECT_OBJS:.o=.dwo)
	$(RM) $(EXECUTABLE).dwp
endif


#
# The build rules for object files.
#

base/plugins.o: config.mk

ifdef CXX_UPDATE_DEP_FLAG

# Build rule for C++ files. Makes use of CXX_UPDATE_DEP_FLAG for advanced
# dependency tracking.
%.o: %.c
	$(QUIET)$(MKDIR) $(*D)/$(DEPDIR)
	$(QUIET_CC)$(CC) $(CXX_UPDATE_DEP_FLAG) $(CFLAGS) $(CPPFLAGS) -c $(<) -o $@
%.o: %.cpp
	$(QUIET)$(MKDIR) $(*D)/$(DEPDIR)
	$(QUIET_CXX)$(CXX) $(CXX_UPDATE_DEP_FLAG) $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $@


# Build rules for Objective-C and Objective-C++ files. Strictly speaking, this is for OS X only.
%.o: %.mm
	$(QUIET)$(MKDIR) $(*D)/$(DEPDIR)
	$(QUIET_CXX)$(CXX) $(CXX_UPDATE_DEP_FLAG) $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $@

%.o: %.m
	$(QUIET)$(MKDIR) $(*D)/$(DEPDIR)
	$(QUIET_CXX)$(CXX) $(CXX_UPDATE_DEP_FLAG) $(CPPFLAGS) $(OBJCFLAGS) -c $(<) -o $@

# Build rule for assembler files with preprocessing
%.o: %.S
	$(QUIET)$(MKDIR) $(*D)/$(DEPDIR)
	$(QUIET_AS)$(CXX) $(CXX_UPDATE_DEP_FLAG) $(ASFLAGS) -c $(<) -o $@

base/version.o: base/version.cpp
	$(QUIET)$(MKDIR) $(*D)/$(DEPDIR)
	$(QUIET_CXX)$(CXX) $(CXX_UPDATE_DEP_FLAG) $(CXXFLAGS) $(VERFLAGS) $(CPPFLAGS) -c $(<) -o $@

else

# Dumb compile rule, for C++ compilers that don't allow dependency tracking or
# where it is broken (such as GCC 2.95).
%.o: %.cpp
	$(QUIET)$(MKDIR) $(*D)
	$(QUIET_CXX)$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $@

# Build rule for assembler files with preprocessing
%.o: %.S
	$(QUIET)$(MKDIR) $(*D)
	$(QUIET_AS)$(CXX) $(ASFLAGS) -c $(<) -o $@

base/version.o: base/version.cpp
	$(QUIET)$(MKDIR) $(*D)
	$(QUIET_CXX)$(CXX) $(CXXFLAGS) $(VERFLAGS) $(CPPFLAGS) -c $(<) -o $@
endif

# Build rule for assembler files
%.o: %.s
	$(QUIET)$(MKDIR) $(*D)
	$(QUIET_AS)$(AS) $(ASFLAGS) $(<) -o $@

# Build rule for Windows resource files
# TODO: Support dependency tracking
%.o: %.rc
	$(QUIET)$(MKDIR) $(*D)
	$(QUIET_WINDRES)$(WINDRES) $(WINDRESFLAGS) $(CPPFLAGS) $(<) -o $@

ifdef USE_NASM
# Build rule for NASM assembler files
%.o: %.asm
	$(QUIET)$(MKDIR) $(*D)
	$(QUIET_NASM)$(NASM) $(NASMFLAGS) -o $@ $(<)
endif

# Include the dependency tracking files.
-include $(wildcard $(addsuffix /*.d,$(DEPDIRS)))

# Mark *.d files and most *.mk files as PHONY. This stops make from trying to
# recreate them (which it can't), and in particular from looking for potential
# source files. This can save quite a bit of disk access time.
.PHONY: $(wildcard $(addsuffix /*.d,$(DEPDIRS))) $(addprefix $(srcdir)/, $(addsuffix /module.mk,$(MODULES))) \
	$(srcdir)/$(port_mk) $(srcdir)/rules.mk

######################################################################
# Get the current version information
######################################################################

# AmigaOS grep command has a problem with "./" in pathnames, so use cat piped into grep instead.
VERSION = $(shell cat "${srcdir}/base/internal_version.h" | grep SCUMMVM_VERSION | cut -d\" -f2)
VER_MAJOR = $(shell echo $(VERSION) | cut -d. -f 1)
VER_MINOR = $(shell echo $(VERSION) | cut -d. -f 2)
VER_PATCH = $(shell echo $(VERSION) | cut -d. -f 3 | cut -c1)
VER_EXTRA = $(shell echo $(VERSION) | cut -d. -f 3 | cut -c2-)

ifdef AMIGAOS
# AmigaOS needs the date in a specific format for the version cookie.
AMIGA_DATE = $(shell gdate '+%d.%m.%Y')
VERFLAGS += -DAMIGA_DATE=\"$(AMIGA_DATE)\"
endif
ifdef MORPHOS
# MorphOS needs the date in a specific format for the version cookie.
AMIGA_DATE = $(shell date +"%-d.%-m.%Y")
VERFLAGS += -DAMIGA_DATE=\"$(AMIGA_DATE)\"
endif

######################################################################
# Get git's working copy information
######################################################################

ifneq ($(shell cd $(srcdir); git rev-parse --verify HEAD 1>/dev/null 2>&1 || echo "error"),error)
GITROOT := $(srcdir)
ifeq ($(origin VER_REV), undefined)
GIT_VER_MAJOR = $(shell git --version | sed 's/^git version //' | cut -d. -f 1)
# Are there uncommitted changes? (describe --dirty is only available since 1.6.6)
ifeq ($(GIT_VER_MAJOR),1)
VER_DIRTY := $(shell cd $(srcdir); git update-index --refresh --unmerged 1>/dev/null 2>&1; git diff-index --quiet HEAD || echo "-dirty")
else
GIT_DIRTY_FLAG = --dirty
endif
# Get the working copy base revision
VER_REV := $(shell cd $(srcdir); git describe $(GIT_DIRTY_FLAG) --long --match desc/\* | cut -d '-' -f 2-)$(VER_DIRTY)
endif
else
GITROOT := git://github.com/scummvm/scummvm.git
endif

# Define the Subversion revision if available, either autodetected or
# specified by the user, but only for base/version.cpp.
ifneq ($(origin VER_REV), undefined)
VERFLAGS += -DSCUMMVM_REVISION=\"$(VER_REV)\"
endif

######################################################################
# Distribution settings
######################################################################

ifeq ($(VER_EXTRA),git)
ifeq ($(origin VER_REV), undefined)
DISTVERSION = $(shell date '+%Y-%m-%d')
else
DISTVERSION = git$(VER_REV)
endif
else
DISTVERSION = $(VERSION)
endif

DISTNAME := scummvm-$(DISTVERSION)
DISTDIR := dist
VERFILE := $(DISTDIR)/$(DISTNAME)/base/internal_version.h

ifdef USE_PANDOC
# Convert README.md and NEWS.md to plain text for any platform that might require it
PANDOC_CONVERT: README$(PANDOCEXT) CONTRIBUTING$(PANDOCEXT) NEWS$(PANDOCEXT) doc/de/NEUES$(PANDOCEXT)
	@sed -i'' -e "s/NEWS.md/NEWS$(PANDOCEXT)/g" README$(PANDOCEXT)
	@sed -i'' -e "s/CONTRIBUTING.md/CONTRIBUTING$(PANDOCEXT)/g" README$(PANDOCEXT)

%$(PANDOCEXT): %.md
	$(QUIET)$(MKDIR) $(*D)
	$(QUIET_PANDOC)$(PANDOC) -f gfm -t $(PANDOCFORMAT) --metadata pagetitle=$(basename $(notdir $@)) -s -o $@ $<
endif

# TODO git via $(GITROOT)
$(VERFILE): $(srcdir)/base/internal_version.h
	@$(RM_REC) $(DISTDIR)
	@$(MKDIR) $(DISTDIR)
	svn export $(SVNROOT) $(DISTDIR)/$(DISTNAME)
ifneq ($(origin VER_REV), undefined)
	@# Use the current SVN revision as a default for the snapshot sources
	@svn cat $(SVNROOT)/base/internal_version.h | sed -e \
		"s/^#define SCUMMVM_REVISION$$/#define SCUMMVM_REVISION \"$(VER_REV)\"/g" \
		> $(VERFILE)
endif

$(DISTDIR)/$(DISTNAME).tar.gz: $(VERFILE)
	cd $(DISTDIR); tar zcf $(DISTNAME).tar.gz $(DISTNAME)

$(DISTDIR)/$(DISTNAME).tar.bz2: $(VERFILE)
	cd $(DISTDIR); tar jcf $(DISTNAME).tar.bz2 $(DISTNAME)

$(DISTDIR)/$(DISTNAME).zip: $(VERFILE)
	cd $(DISTDIR); zip -qr9 $(DISTNAME).zip $(DISTNAME)

dist-src: \
	$(DISTDIR)/$(DISTNAME).tar.gz \
	$(DISTDIR)/$(DISTNAME).tar.bz2 \
	$(DISTDIR)/$(DISTNAME).zip
	@#RPM-src?
	@#DEB-src?

# Common files
DIST_FILES_DOCS:=$(addprefix $(srcdir)/,AUTHORS COPYING COPYING.BSD COPYING.LGPL COPYING.FREEFONT COPYING.OFL COPYING.ISC COPYING.LUA COPYING.MIT COPYING.TINYGL COPYRIGHT NEWS.md README.md CONTRIBUTING.md)
ifdef USE_PANDOC
DIST_FILES_DOCS+=README$(PANDOCEXT) NEWS$(PANDOCEXT) CONTRIBUTING$(PANDOCEXT)
endif

DIST_FILES_DOCS_languages=cz da de es fr it no-nb se
DIST_FILES_DOCS_cz:=$(addprefix $(srcdir)/doc/cz/,PrectiMe)
DIST_FILES_DOCS_da:=$(addprefix $(srcdir)/doc/da/,HurtigStart)
DIST_FILES_DOCS_de:=$(addprefix $(srcdir)/doc/de/,LIESMICH NEUES.md Schnellstart)
ifdef USE_PANDOC
DIST_FILES_DOCS_de+=doc/de/NEUES$(PANDOCEXT)
endif
DIST_FILES_DOCS_es:=$(addprefix $(srcdir)/doc/es/,InicioRapido)
DIST_FILES_DOCS_fr:=$(addprefix $(srcdir)/doc/fr/,DemarrageRapide)
DIST_FILES_DOCS_it:=$(addprefix $(srcdir)/doc/it/,GuidaRapida)
DIST_FILES_DOCS_no-nb:=$(addprefix $(srcdir)/doc/no-nb/,HurtigStart)
DIST_FILES_DOCS_se:=$(addprefix $(srcdir)/doc/se/,LasMig Snabbstart)

# Themes files
DIST_FILES_THEMES=scummmodern.zip scummclassic.zip scummremastered.zip residualvm.zip
ifdef USE_TRANSLATION
DIST_FILES_THEMES+=translations.dat
endif
DIST_FILES_THEMES:=$(addprefix $(srcdir)/gui/themes/,$(DIST_FILES_THEMES))

# Networking files
DIST_FILES_NETWORKING=
ifdef USE_SDL_NET
DIST_FILES_NETWORKING:=$(addprefix $(srcdir)/dists/networking/,wwwroot.zip)
endif

# Virtual keyboard files
DIST_FILES_VKEYBD=
ifdef ENABLE_VKEYBD
DIST_FILES_VKEYBD:=$(addprefix $(srcdir)/backends/vkeybd/packs/,vkeybd_default.zip vkeybd_small.zip)
endif

# Engine data files
DIST_FILES_ENGINEDATA=
ifdef ENABLE_ACCESS
DIST_FILES_ENGINEDATA+=access.dat
endif
ifdef ENABLE_CRYO
DIST_FILES_ENGINEDATA+=cryo.dat
endif
ifdef ENABLE_CRYOMNI3D
DIST_FILES_ENGINEDATA+=cryomni3d.dat
endif
ifdef ENABLE_DRASCULA
DIST_FILES_ENGINEDATA+=drascula.dat
endif
ifdef ENABLE_HADESCH
DIST_FILES_ENGINEDATA+=hadesch_translations.dat
endif
ifdef ENABLE_HUGO
DIST_FILES_ENGINEDATA+=hugo.dat
endif
ifdef ENABLE_KYRA
DIST_FILES_ENGINEDATA+=kyra.dat
endif
ifdef ENABLE_LURE
DIST_FILES_ENGINEDATA+=lure.dat
endif
ifdef ENABLE_MACVENTURE
DIST_FILES_ENGINEDATA+=macventure.dat
endif
ifdef ENABLE_MORTEVIELLE
DIST_FILES_ENGINEDATA+=mort.dat
endif
ifdef ENABLE_NEVERHOOD
DIST_FILES_ENGINEDATA+=neverhood.dat
endif
ifdef ENABLE_QUEEN
DIST_FILES_ENGINEDATA+=queen.tbl
endif
ifdef ENABLE_SKY
DIST_FILES_ENGINEDATA+=sky.cpt
endif
ifdef ENABLE_SUPERNOVA
DIST_FILES_ENGINEDATA+=supernova.dat
endif
ifdef ENABLE_TEENAGENT
DIST_FILES_ENGINEDATA+=teenagent.dat
endif
ifdef ENABLE_TITANIC
DIST_FILES_ENGINEDATA+=titanic.dat
endif
ifdef ENABLE_TONY
DIST_FILES_ENGINEDATA+=tony.dat
endif
ifdef ENABLE_TOON
DIST_FILES_ENGINEDATA+=toon.dat
endif
ifdef ENABLE_ULTIMA
DIST_FILES_ENGINEDATA+=ultima.dat
endif
ifdef ENABLE_WINTERMUTE
DIST_FILES_ENGINEDATA+=wintermute.zip
endif
ifdef ENABLE_XEEN
DIST_FILES_ENGINEDATA+=xeen.ccs
endif
ifdef USE_FREETYPE2
DIST_FILES_ENGINEDATA+=fonts.dat
endif
DIST_FILES_ENGINEDATA+=macgui.dat
ifdef ENABLE_GRIM
DIST_FILES_ENGINEDATA+=grim-patch.lab
endif
ifdef ENABLE_MONKEY4
DIST_FILES_ENGINEDATA+=monkey4-patch.m4b
endif
ifdef ENABLE_MYST3
DIST_FILES_ENGINEDATA+=myst3.dat
endif
DIST_FILES_ENGINEDATA+=encoding.dat
DIST_FILES_ENGINEDATA:=$(addprefix $(srcdir)/dists/engine-data/,$(DIST_FILES_ENGINEDATA))

# pred.dic is currently only used for the AGI engine
ifdef ENABLE_AGI
DIST_FILES_ENGINEDATA+=$(srcdir)/dists/pred.dic
endif

# Shaders: install if USE_OPENGL_SHADERS or USE_GLES2 defined
DIST_FILES_SHADERS=
ifneq ($(USE_OPENGL_SHADERS)$(USE_GLES2),)
ifdef ENABLE_GRIM
DIST_FILES_SHADERS+=$(wildcard $(srcdir)/engines/grim/shaders/*)
endif
ifdef ENABLE_MYST3
DIST_FILES_SHADERS+=$(wildcard $(srcdir)/engines/myst3/shaders/*)
endif
ifdef ENABLE_STARK
DIST_FILES_SHADERS+=$(wildcard $(srcdir)/engines/stark/shaders/*)
endif
ifdef ENABLE_WINTERMUTE
DIST_FILES_SHADERS+=$(wildcard $(srcdir)/engines/wintermute/base/gfx/opengl/shaders/*)
endif
endif

.PHONY: all clean distclean plugins dist-src clean-toplevel