split gfx make rules into separate file for finer-grained dependencies.

[vor.git] / gfx.mk

diff --git a/gfx.mk b/gfx.mk
new file mode 100644 (file)
index 0000000..2543dfa
--- /dev/null
+++ b/gfx.mk
@@ -0,0 +1,14 @@
+
+
+data/sprites/ship.png: ship.pov pnmoutline gfx.mk
+       povray -GA -D +A +UA +W32 +H32 $< 2>/dev/null
+       pngtopnm ship.png >ship.pnm
+       ./pnmoutline <ship.pnm >data/sprites/ship.pnm
+       pnmtopng -transparent =white data/sprites/ship.pnm >$@
+       rm ship.png ship.pnm data/sprites/ship.pnm
+
+data/sprites/rock%.png: rocks.pov gfx.mk
+       povray -Irocks.pov -D +H52 +W52 +K`echo "$@" | grep -o '[0-9][0-9]'` +Fp -O$@.pnm 2>/dev/null
+       pnmcrop < $@.pnm > $@-c.pnm
+       pnmtopng -transparent black < $@-c.pnm > $@
+       rm $@.pnm $@-c.pnm