# Variables definitions
SHELL=/bin/bash

# Get Configuration informations from global or local config file
LOCAL_CONFIG = $(wildcard local-config.mk)
CONFIG_FILES = global-config.mk $(LOCAL_CONFIG)
include $(CONFIG_FILES)

# sbsar files generation part

export SBSFILES = $(wildcard $(SBS_DIR)/*.sbs) 
export SBSARDESTINATION = $(subst $(SBS_DIR)/, $(SBSAR_DIR)/, $(SBSFILES))
export SBSARFILES = $(SBSARDESTINATION:.sbs=.sbsar)

# existing texturesets list
export TEXTURES := $(wildcard $(TEXTURESET_FOLDER)/*)

### RECIPE PART ###

all : del_obsolete export

previews: $(SBSARFILES) | subformats
	$(MAKE) -f Makefile_previews all

subformats: $(SBSARFILES)
	$(MAKE) -f Makefile_subformats all

del_obsolete: $(SBS_DIR) | previews
	@ for material in $$(ls $(SBSAR_DIR)); do \
	rootname=$$(echo $$material | sed -r 's|(.*)\.sbsar|\1|');\
	sbs_name=$(SBS_DIR)/$$rootname.sbs ;\
	if [ ! -f $$sbs_name ] ;\
	then echo "CLEANUP : The corresponding $$sbs_name doesn’t exist any more, deleting the corresponding obsolete files :" ;\
	rm -Rf $(SBSAR_DIR)/$$rootname.sbsar ;\
	echo " -"$(SBSAR_DIR)/$$rootname.sbsar ;\
	rm -Rf $(PNG1024_DIR)/$$(basename $$material)* ;\
	echo " -"$(PNG1024_DIR)/$$(basename $$material)* ;\
	rm -Rf $(PNG512_DIR)/$$(basename $$material)* ;\
	echo " -"$(PNG512_DIR)/$$(basename $$material)* ;\
	rm -Rf $(PNG256_DIR)/$$(basename $$material)* ;\
	echo " -"$(PNG256_DIR)/$$(basename $$material)* ;\
	rm -Rf $(TEXTURESET_FOLDER)/$$(basename $$material) ;\
	echo " -"$(TEXTURESET_FOLDER)/$$(basename $$material) ;\
	rm -Rf $(PREVIEW_FOLDER)/$$(basename $$material)* ;\
	echo " -"$(PREVIEW_FOLDER)/$$(basename $$material)* ;\
	fi ;\
	done

export: $(SBSARFILES) | subformats
	$(MAKE) -f Makefile_export all

# Recipe to make sbsar, its main PNG files and its preset textureset file
$(SBSAR_DIR)/%.sbsar: $(SBS_DIR)/%.sbs
	@ echo "Processing" $< "->" $@
	@ mkdir -p $(SBSAR_DIR)
	@ $(MAKESBSAR) --output-path $(SBSAR_DIR) $<
# Then build png imageset from sbsar
# There is a png imageset for each preset of a base texture
# All png are stored in a png_1024 folder
	@ mkdir -p $(PNG1024_DIR)
# Get all presets for the graph
	@ $(eval PRESETLIST=`$(GETPRESET) --input $< | grep PRESET | sed -r 's/PRESET "(.*)"/\1/g'`)
# Get graph outputs list
	@ declare -i graphcount=0 ;\
	output_list="" ;\
	for line in $$($(GETOUTPUT) $<) ; do \
	if [ "$$line" = "GRAPH-URL" ] ;\
	then ((graphcount++)) ;\
	fi ;\
	if [ $$graphcount -le 1 ] ;\
	then if [ "$$line" != "OUTPUT" ] && [ "$$line" != "GRAPH-URL" ] && [ "$${line:0:4}" != "pkg:" ] ;\
	then output_list+=" $${line}" ;\
	fi ;\
	else : ;\
	fi ;\
	done;\
	echo " - Graph output_list :"$$output_list;\
	echo "Building 1024 png imageset(s) from presets of" $@ ;\
	pngfiles="";\
	for preset in $(PRESETLIST) ; do \
	echo "- Preset" $$preset; \
	material=$$(basename -s .sbsar $@);\
	echo "material :"$$material;\
	obsolete="$${material}_$${preset}" ;\
	echo "Cleaning old entries from the material : $$obsolete" ;\
	rm -Rf $(PNG1024_DIR)/$$obsolete* ;\
	rm -Rf $(PNG512_DIR)/$$obsolete* ;\
	rm -Rf $(PNG256_DIR)/$$obsolete* ;\
	listitem="";\
	for item in $$output_list;\
	do itemfull="$(PNG1024_DIR)/$${material}_$${preset}_$${item}.png";\
	listitem="$$listitem $$itemfull";\
	done;\
	echo "listitem :"$$listitem;\
	mkdir --parents $(TEXTURESET_FOLDER);\
	echo $$listitem > $(TEXTURESET_FOLDER)/$$(basename -s .sbsar $@)_$$preset;\
	rendersize=$$(cat $(MATERIALLIST) | jq -r --arg folder "$${material}_$${preset}" '.[] | select(.name==$$folder) | .format') ;\
	$(SBSRENDER) render $@ --use-preset $$preset --output-name {inputGraphUrl}\_$$preset\_{outputNodeName} --set-value \$$outputsize@$$rendersize# --output-path $(PNG1024_DIR); \
	done;\