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Disallow deleting towns which are referenced by a waypoint

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See: #614
This commit is contained in:
Jonathan G Rennison
2023-11-28 21:59:00 +00:00
parent 977758b9ca
commit 944b2901dd
1 changed files with 6 additions and 0 deletions
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6
src/town_cmd.cpp
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@@ -21,6 +21,7 @@
#include "command_func.h" #include "command_func.h"
#include "industry.h" #include "industry.h"
#include "station_base.h" #include "station_base.h"
#include "waypoint_base.h"
#include "station_kdtree.h" #include "station_kdtree.h"
#include "company_base.h" #include "company_base.h"
#include "news_func.h" #include "news_func.h"
@@ -3463,6 +3464,11 @@ CommandCost CmdDeleteTown(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
} }
} }
/* Waypoints refer to towns. */
for (const Waypoint *wp : Waypoint::Iterate()) {
if (wp->town == t) return CMD_ERROR;
}
/* Depots refer to towns. */ /* Depots refer to towns. */
for (const Depot *d : Depot::Iterate()) { for (const Depot *d : Depot::Iterate()) {
if (d->town == t) return CMD_ERROR; if (d->town == t) return CMD_ERROR;