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-rw-r--r--viewport.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/viewport.h b/viewport.h
index e2501d2ca..7ebb816f6 100644
--- a/viewport.h
+++ b/viewport.h
@@ -53,6 +53,7 @@ enum {
VPM_RAILDIRS = 3,
VPM_X_AND_Y = 4,
VPM_X_AND_Y_LIMITED = 5,
+ VPM_SIGNALDIRS = 6,
};
void VpSelectTilesWithMethod(int x, int y, int method);