#

# The mercurial repository of both can be found at:

#  http://hg.openttdcoop.org/grfcodec

#  http://hg.openttdcoop.org/nforenum

#

ROOT_DIR = !!ROOT_DIR!!

GRF_DIR  = $(ROOT_DIR)/media/extra_grf

BIN_DIR  = !!BIN_DIR!!/data

OBJS_DIR = !!GRF_OBJS_DIR!!

OS       = !!OS!!

STAGE    = !!STAGE!!

# Check if we want to show what we are doing

ifdef VERBOSE

	Q =

	E = @true

else

	Q = @

	E = @echo

endif

# Some configurational settings for your environment.

GRFCODEC := $(shell grfcodec -s -v >/dev/null 2>/dev/null && echo "grfcodec -s" || echo "grfcodec")

MD5SUM   := $(shell [ "$(OS)" = "OSX" ] && echo "md5 -r" || echo "md5sum")

# Some "should not be changed" settings.

NFO_FILES    := $(GRF_DIR)/*.nfo

PCX_FILES    := $(GRF_DIR)/*.pcx

# Build the GRF.

all: $(BIN_DIR)/openttd.grf

# Make sure the sprites directory exists.

$(OBJS_DIR)/sprites:

	$(Q)-mkdir "$@"

# Generic

$(BIN_DIR)/openttd.grf: $(PCX_FILES) $(NFO_FILES) $(OBJS_DIR)/sprites

	@# Only try; if nforenum isn't available, just retouch the file as they likely didn't need it anyway.

	$(Q) ($(NFORENUM) -? > /dev/null 2>&1 && $(MAKE) $(OBJS_DIR)/openttd.grf && cp $(OBJS_DIR)/openttd.grf $(BIN_DIR)/openttd.grf) || ([ -e $(BIN_DIR)/openttd.grf ] && touch $(BIN_DIR)/openttd.grf && echo "no NFORenum and GRFCodec found, skipping rebuild of openttd.grf...") || (echo "no NFORenum and GRFCodec found, but no openttd.grf either. Install NFORenum and GRFCodec." && exit 1)

# Yeah, we'd like to use -i in the sed, but Mac OS X's sed and GNU sed just can't agree on the usage of -i. In any case either one of them fails.

$(OBJS_DIR)/openttd.grf: $(PCX_FILES) $(NFO_FILES) $(OBJS_DIR)/sprites

	$(E) '$(STAGE) Assembling openttd.nfo'

	$(Q)-cp $(PCX_FILES) $(OBJS_DIR)/sprites 2> /dev/null

	$(Q) gcc -I$(GRF_DIR) -C -E - < "$(GRF_DIR)/openttd.nfo" | sed -e '/^#/d' -e '/^$$/d' > $(OBJS_DIR)/sprites/openttd.nfo

	$(Q) $(NFORENUM) $(OBJS_DIR)/sprites/openttd.nfo