# Bitmap tiles
-BTILE_DIRS=wall floor
+BTILE_DIRS=wall floor tunnel underground
BTILE_SRC=$(shell find $(patsubst %, $(VPATH)/bitmap/%, $(BTILE_DIRS)) -name "*.png")
-BTILE_PNGS=$(patsubst $(VPATH)/bitmap/%, %, $(BTILE_SRC))
+BTILE_PNGS=$(patsubst $(VPATH)/bitmap/%, bunker/%, $(BTILE_SRC))
# Vector images to rasterize without resizing
-SIMPLE_DIRS=roach_management
+SIMPLE_DIRS=roach_management vehicles
SIMPLE_SVGS=$(shell find $(patsubst %, $(VPATH)/vector/%, $(SIMPLE_DIRS)) -name "*.svg")
SIMPLE_PNGS=$(patsubst $(VPATH)/vector/%.svg, %.png, $(SIMPLE_SVGS))
# Bitmap tile rule
define btile
-$(1)/%.png: bitmap/$(1)/%.png
+bunker/$(1)/%.png: bitmap/$(1)/%.png
@mkdir -p `dirname $$@`
@convert $$< -resize 64x64 $$@
endef