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-rw-r--r--includes/powder.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/includes/powder.h b/includes/powder.h
index b274149..72bf9ed 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -768,6 +768,8 @@ extern int pfree;
extern unsigned pmap[YRES][XRES];
unsigned cb_pmap[YRES][XRES];
+unsigned photons[YRES][XRES];
+
int try_move(int i, int x, int y, int nx, int ny);
int eval_move(int pt, int nx, int ny, unsigned *rr);