#------------------------------------------------------------------------------

BUILD := $(shell head -n1 BUILD 2> /dev/null || echo release)

ifeq ($(BUILD),release)
    VERSION := 1.5.5
else
    VERSION := $(shell sh scripts/version.sh)
    ifeq ($(VERSION),unknown)
        VERSION := 1.5.5-dev
    endif
endif

$(info Will make a "$(BUILD)" build of Neverball $(VERSION).)

#------------------------------------------------------------------------------
# Provide a target system hint for the Makefile.
# Recognized PLATFORM values: darwin, mingw, maemo.

ifeq ($(shell uname), Darwin)
    PLATFORM := darwin
endif

ifdef _SBOX_DIR
    PLATFORM := maemo
endif

#------------------------------------------------------------------------------
# Paths (packagers might want to set DATADIR and LOCALEDIR)

USERDIR   := .neverball
DATADIR   := ./data
LOCALEDIR := ./locale

ifeq ($(PLATFORM),mingw)
    USERDIR := Neverball
endif

ifneq ($(BUILD),release)
    USERDIR := $(USERDIR)-dev
endif

#------------------------------------------------------------------------------
# Optional flags (CFLAGS, CPPFLAGS, ...)

ifeq ($(DEBUG),1)
    CFLAGS   := -g
    CPPFLAGS :=
else
    CFLAGS   := -O2
    CPPFLAGS := -DNDEBUG
endif

#------------------------------------------------------------------------------
# Mandatory flags

# Compiler...

ifeq ($(ENABLE_TILT),wii)
    # -std=c99 because we need isnormal and -fms-extensions because
    # libwiimote headers make heavy use of the "unnamed fields" GCC
    # extension.

    ALL_CFLAGS := -Wall -std=c99 -pedantic -fms-extensions $(CFLAGS)
else
    ALL_CFLAGS := -Wall -ansi -pedantic $(CFLAGS)
endif

# Preprocessor...

SDL_CPPFLAGS := $(shell sdl-config --cflags) -U_GNU_SOURCE
PNG_CPPFLAGS := $(shell libpng-config --cflags)

ALL_CPPFLAGS := $(SDL_CPPFLAGS) $(PNG_CPPFLAGS) -Ishare \
    -DVERSION=\"$(VERSION)\"

ALL_CPPFLAGS += \
    -DCONFIG_USER=\"$(USERDIR)\" \
    -DCONFIG_DATA=\"$(DATADIR)\" \
    -DCONFIG_LOCALE=\"$(LOCALEDIR)\"

ifeq ($(ENABLE_NLS),0)
    ALL_CPPFLAGS += -DENABLE_NLS=0
else
    ALL_CPPFLAGS += -DENABLE_NLS=1
endif

ifeq ($(PLATFORM),darwin)
    ALL_CPPFLAGS += -I/opt/local/include
endif

ifeq ($(PLATFORM),maemo)
    ALL_CPPFLAGS += -D__MAEMO__ $(shell pkg-config --cflags libosso)
endif

ALL_CPPFLAGS += $(CPPFLAGS)

#------------------------------------------------------------------------------
# Libraries

SDL_LIBS := $(shell sdl-config --libs)
PNG_LIBS := $(shell libpng-config --libs)

ifeq ($(ENABLE_FS),stdio)
FS_LIBS :=
else
FS_LIBS := -lphysfs
endif

# The  non-conditionalised values  below  are specific  to the  native
# system. The native system of this Makefile is Linux (or GNU+Linux if
# you prefer). Please be sure to  override ALL of them for each target
# system in the conditional parts below.

INTL_LIBS :=

ifeq ($(ENABLE_TILT),wii)
    TILT_LIBS := -lcwiimote -lbluetooth
else
ifeq ($(ENABLE_TILT),loop)
    TILT_LIBS := -lusb-1.0 -lfreespace
endif
endif

OGL_LIBS := -lGL -lm

ifeq ($(PLATFORM),mingw)
    ifneq ($(ENABLE_NLS),0)
        INTL_LIBS := -lintl
    endif

    TILT_LIBS :=
    OGL_LIBS  := -lopengl32 -lm
endif

ifeq ($(PLATFORM),darwin)
    ifneq ($(ENABLE_NLS),0)
        INTL_LIBS := -lintl
    endif

    TILT_LIBS :=
    OGL_LIBS  := -framework OpenGL
endif

ifeq ($(PLATFORM),maemo)
    OGL_LIBS := -lm -lSDL_gles -lEGL -lGLES_CM
endif

BASE_LIBS := -ljpeg $(PNG_LIBS) $(FS_LIBS)

ifeq ($(PLATFORM),darwin)
    BASE_LIBS += -L/opt/local/lib
endif

ifeq ($(PLATFORM),maemo)
    BASE_LIBS += $(shell pkg-config --libs libosso)
endif

ALL_LIBS := $(SDL_LIBS) $(BASE_LIBS) $(TILT_LIBS) $(INTL_LIBS) -lSDL_ttf \
    -lvorbisfile $(OGL_LIBS)

#------------------------------------------------------------------------------

ifeq ($(PLATFORM),mingw)
    EXT := .exe
endif

MAPC_TARG := mapc$(EXT)
BALL_TARG := neverball$(EXT)
PUTT_TARG := neverputt$(EXT)

ifeq ($(PLATFORM),mingw)
    MAPC := $(WINE) ./$(MAPC_TARG)
else
    MAPC := ./$(MAPC_TARG)
endif


#------------------------------------------------------------------------------

MAPC_OBJS := \
	share/vec3.o        \
	share/base_image.o  \
	share/solid_base.o  \
	share/binary.o      \
	share/base_config.o \
	share/common.o      \
	share/fs_common.o   \
	share/fs_png.o      \
	share/fs_jpg.o      \
	share/dir.o         \
	share/array.o       \
	share/list.o        \
	share/mapc.o
BALL_OBJS := \
	share/lang.o        \
	share/st_resol.o    \
	share/vec3.o        \
	share/base_image.o  \
	share/image.o       \
	share/solid_base.o  \
	share/solid_vary.o  \
	share/solid_draw.o  \
	share/solid_cmd.o   \
	share/solid_all.o   \
	share/part.o        \
	share/geom.o        \
	share/item.o        \
	share/ball.o        \
	share/gui.o         \
	share/base_config.o \
	share/config.o      \
	share/video.o       \
	share/glext.o       \
	share/binary.o      \
	share/state.o       \
	share/audio.o       \
	share/text.o        \
	share/common.o      \
	share/keynames.o    \
	share/syswm.o       \
	share/list.o        \
	share/queue.o       \
	share/cmd.o         \
	share/array.o       \
	share/dir.o         \
	share/fs_common.o   \
	share/fs_png.o      \
	share/fs_jpg.o      \
	share/fs_rwops.o    \
	share/fs_ov.o       \
	share/sync.o        \
	ball/hud.o          \
	ball/game_common.o  \
	ball/game_client.o  \
	ball/game_server.o  \
	ball/game_proxy.o   \
	ball/game_draw.o    \
	ball/score.o        \
	ball/level.o        \
	ball/progress.o     \
	ball/set.o          \
	ball/demo.o         \
	ball/demo_dir.o     \
	ball/util.o         \
	ball/speed.o        \
	ball/st_conf.o      \
	ball/st_demo.o      \
	ball/st_save.o      \
	ball/st_goal.o      \
	ball/st_fail.o      \
	ball/st_done.o      \
	ball/st_level.o     \
	ball/st_over.o      \
	ball/st_play.o      \
	ball/st_set.o       \
	ball/st_start.o     \
	ball/st_title.o     \
	ball/st_help.o      \
	ball/st_name.o      \
	ball/st_shared.o    \
	ball/st_pause.o     \
	ball/st_ball.o      \
	ball/main.o
PUTT_OBJS := \
	share/lang.o        \
	share/st_resol.o    \
	share/vec3.o        \
	share/base_image.o  \
	share/image.o       \
	share/solid_base.o  \
	share/solid_vary.o  \
	share/solid_draw.o  \
	share/solid_cmd.o   \
	share/solid_all.o   \
	share/part.o        \
	share/geom.o        \
	share/ball.o        \
	share/base_config.o \
	share/config.o      \
	share/video.o       \
	share/glext.o       \
	share/binary.o      \
	share/audio.o       \
	share/state.o       \
	share/gui.o         \
	share/text.o        \
	share/common.o      \
	share/syswm.o       \
	share/list.o        \
	share/fs_common.o   \
	share/fs_png.o      \
	share/fs_jpg.o      \
	share/fs_rwops.o    \
	share/fs_ov.o       \
	share/dir.o         \
	share/array.o       \
	share/sync.o        \
	putt/hud.o          \
	putt/game.o         \
	putt/hole.o         \
	putt/course.o       \
	putt/st_all.o       \
	putt/st_conf.o      \
	putt/main.o

BALL_OBJS += share/solid_sim_sol.o
PUTT_OBJS += share/solid_sim_sol.o

ifeq ($(ENABLE_FS),stdio)
BALL_OBJS += share/fs_stdio.o
PUTT_OBJS += share/fs_stdio.o
MAPC_OBJS += share/fs_stdio.o
else
BALL_OBJS += share/fs_physfs.o
PUTT_OBJS += share/fs_physfs.o
MAPC_OBJS += share/fs_physfs.o
endif

ifeq ($(ENABLE_TILT),wii)
BALL_OBJS += share/tilt_wii.o
else
ifeq ($(ENABLE_TILT),loop)
BALL_OBJS += share/tilt_loop.o
else
ifeq ($(PLATFORM),maemo)
BALL_OBJS += share/tilt_maemo.o
BALL_OBJS += share/maemo.o
else
BALL_OBJS += share/tilt_null.o
endif
endif
endif

ifeq ($(PLATFORM),mingw)
BALL_OBJS += neverball.ico.o
PUTT_OBJS += neverputt.ico.o
endif

BALL_DEPS := $(BALL_OBJS:.o=.d)
PUTT_DEPS := $(PUTT_OBJS:.o=.d)
MAPC_DEPS := $(MAPC_OBJS:.o=.d)

MAPS := $(shell find data -name "*.map" \! -name "*.autosave.map")
SOLS := $(MAPS:%.map=%.sol)

DESKTOPS := $(basename $(wildcard dist/*.desktop.in))

#------------------------------------------------------------------------------

%.o : %.c
	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) -MM -MP -MF $*.d -MT "$@" $<
	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) -o $@ -c $<

%.sol : %.map $(MAPC_TARG)
	$(MAPC) $< data

%.desktop : %.desktop.in
	sh scripts/translate-desktop.sh < $< > $@

%.ico.o: dist/ico/%.ico
	echo "1 ICON \"$<\"" | $(WINDRES) -o $@

#------------------------------------------------------------------------------

all : $(BALL_TARG) $(PUTT_TARG) $(MAPC_TARG) sols locales desktops

$(BALL_TARG) : $(BALL_OBJS)
	$(CC) $(ALL_CFLAGS) -o $(BALL_TARG) $(BALL_OBJS) $(LDFLAGS) $(ALL_LIBS)

$(PUTT_TARG) : $(PUTT_OBJS)
	$(CC) $(ALL_CFLAGS) -o $(PUTT_TARG) $(PUTT_OBJS) $(LDFLAGS) $(ALL_LIBS)

$(MAPC_TARG) : $(MAPC_OBJS)
	$(CC) $(ALL_CFLAGS) -o $(MAPC_TARG) $(MAPC_OBJS) $(LDFLAGS) $(BASE_LIBS)

# Work around some extremely helpful sdl-config scripts.

ifeq ($(PLATFORM),mingw)
$(MAPC_TARG) : ALL_CPPFLAGS := $(ALL_CPPFLAGS) -Umain
endif

sols : $(SOLS)

locales :
ifneq ($(ENABLE_NLS),0)
	$(MAKE) -C po
endif

desktops : $(DESKTOPS)

clean-src :
	$(RM) $(BALL_TARG) $(BALL_OBJS) $(BALL_DEPS)
	$(RM) $(PUTT_TARG) $(PUTT_OBJS) $(PUTT_DEPS)
	$(RM) $(MAPC_TARG) $(MAPC_OBJS) $(MAPC_DEPS)

clean : clean-src
	$(RM) $(SOLS)
	$(RM) $(DESKTOPS)
	$(MAKE) -C po clean

test : all
	./neverball

TAGS :
	$(RM) $@
	find . -name '*.[ch]' | xargs etags -a

#------------------------------------------------------------------------------

.PHONY : all sols locales clean-src clean test TAGS

-include $(BALL_DEPS) $(PUTT_DEPS) $(MAPC_DEPS)

#------------------------------------------------------------------------------

ifeq ($(PLATFORM),mingw)

#------------------------------------------------------------------------------

INSTALLER := ../neverball-$(VERSION)-setup.exe

MAKENSIS := makensis
MAKENSIS_FLAGS := -DVERSION=$(VERSION) -DOUTFILE=$(INSTALLER)

TODOS   := todos
FROMDOS := fromdos

CP := cp

TEXT_DOCS := \
	doc/AUTHORS \
	doc/MANUAL  \
	CHANGES     \
	COPYING     \
	README

TXT_DOCS := $(TEXT_DOCS:%=%.txt)

#------------------------------------------------------------------------------

.PHONY: setup
setup: $(INSTALLER)

$(INSTALLER): install-dlls convert-text-files all contrib
	$(MAKENSIS) $(MAKENSIS_FLAGS) -nocd scripts/neverball.nsi

$(INSTALLER): LDFLAGS := -s $(LDFLAGS)

.PHONY: clean-setup
clean-setup: clean
	$(RM) install-dlls.sh *.dll $(TXT_DOCS)
	find data -name "*.txt" -exec $(FROMDOS) {} \;
	$(MAKE) -C contrib EXT=$(EXT) clean

#------------------------------------------------------------------------------

.PHONY: install-dlls
install-dlls: install-dlls.sh
	sh $<

install-dlls.sh: $(MAPC_TARG) $(BALL_TARG) $(PUTT_TARG)
	mingw-list-dlls --format=shell $^ > $@

#------------------------------------------------------------------------------

.PHONY: convert-text-files
convert-text-files: $(TXT_DOCS)
	find data -name "*.txt" -exec $(TODOS) {} \;

%.txt: %
	$(CP) $< $@
	$(TODOS) $@

#------------------------------------------------------------------------------

.PHONY: contrib
contrib:
	$(MAKE) -C contrib EXT=$(EXT)

#------------------------------------------------------------------------------

endif

#------------------------------------------------------------------------------