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-rw-r--r--npf.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/npf.c b/npf.c
index d1262efeb..3fa0ccb91 100644
--- a/npf.c
+++ b/npf.c
@@ -14,6 +14,7 @@
#include "tile.h"
#include "depot.h"
#include "tunnel_map.h"
+#include "network.h"
static AyStar _npf_aystar;
@@ -205,13 +206,16 @@ static uint NPFSlopeCost(AyStarNode* current)
* there is only one level of steepness... */
}
-/* Mark tiles by mowing the grass when npf debug level >= 1 */
+/**
+ * Mark tiles by mowing the grass when npf debug level >= 1.
+ * Will not work for multiplayer games, since it can (will) cause desyncs.
+ */
static void NPFMarkTile(TileIndex tile)
{
#ifdef NO_DEBUG_MESSAGES
return;
#else
- if (_debug_npf_level < 1) return;
+ if (_debug_npf_level < 1 || _networking) return;
switch (GetTileType(tile)) {
case MP_RAILWAY:
/* DEBUG: mark visited tiles by mowing the grass under them ;-) */