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-rw-r--r--src/object_cmd.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/object_cmd.cpp b/src/object_cmd.cpp
index 556e5af5c..dc517dc5f 100644
--- a/src/object_cmd.cpp
+++ b/src/object_cmd.cpp
@@ -220,6 +220,9 @@ CommandCost CmdBuildObject(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
int size_x = GB(spec->size, HasBit(view, 0) ? 4 : 0, 4);
int size_y = GB(spec->size, HasBit(view, 0) ? 0 : 4, 4);
TileArea ta(tile, size_x, size_y);
+ for (TileIndex t : ta) {
+ if (!IsValidTile(t)) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_EDGE_OF_MAP_SUB); // Might be off the map
+ }
if (type == OBJECT_OWNED_LAND) {
/* Owned land is special as it can be placed on any slope. */