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-rw-r--r--water_cmd.c12
-rw-r--r--water_map.h22
2 files changed, 26 insertions, 8 deletions
diff --git a/water_cmd.c b/water_cmd.c
index a7e07e0a5..8953f9ec5 100644
--- a/water_cmd.c
+++ b/water_cmd.c
@@ -148,7 +148,7 @@ static int32 DoBuildShiplift(TileIndex tile, DiagDirection dir, uint32 flags)
}
if (flags & DC_EXEC) {
- MakeLock(tile, dir);
+ MakeLock(tile, _current_player, dir);
MarkTileDirtyByTile(tile);
MarkTileDirtyByTile(tile - delta);
MarkTileDirtyByTile(tile + delta);
@@ -161,6 +161,8 @@ static int32 RemoveShiplift(TileIndex tile, uint32 flags)
{
TileIndexDiff delta = TileOffsByDir(GetLockDirection(tile));
+ if (!CheckTileOwnership(tile)) return CMD_ERROR;
+
// make sure no vehicle is on the tile.
if (!EnsureNoVehicle(tile) || !EnsureNoVehicle(tile + delta) || !EnsureNoVehicle(tile - delta))
return CMD_ERROR;
@@ -249,7 +251,11 @@ int32 CmdBuildCanal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
cost += ret;
if (flags & DC_EXEC) {
- MakeWater(tile);
+ if (TileHeight(tile) == 0) {
+ MakeWater(tile);
+ } else {
+ MakeCanal(tile, _current_player);
+ }
MarkTileDirtyByTile(tile);
MarkTilesAroundDirty(tile);
}
@@ -279,6 +285,8 @@ static int32 ClearTile_Water(TileIndex tile, byte flags)
return_cmd_error(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP);
}
+ if (GetTileOwner(tile) != OWNER_WATER && !CheckTileOwnership(tile)) return CMD_ERROR;
+
if (flags & DC_EXEC) DoClearSquare(tile);
return _price.clear_water;
diff --git a/water_map.h b/water_map.h
index b9a8ea76d..ff8ec21a4 100644
--- a/water_map.h
+++ b/water_map.h
@@ -95,6 +95,16 @@ static inline void MakeShore(TileIndex t)
_m[t].m5 = 1;
}
+static inline void MakeCanal(TileIndex t, Owner o)
+{
+ SetTileType(t, MP_WATER);
+ SetTileOwner(t, o);
+ _m[t].m2 = 0;
+ _m[t].m3 = 0;
+ _m[t].m4 = 0;
+ _m[t].m5 = 0;
+}
+
static inline void MakeShipDepot(TileIndex t, Owner o, DepotPart base, Axis a)
{
SetTileType(t, MP_WATER);
@@ -105,23 +115,23 @@ static inline void MakeShipDepot(TileIndex t, Owner o, DepotPart base, Axis a)
_m[t].m5 = base + a * 2;
}
-static inline void MakeLockTile(TileIndex t, byte section)
+static inline void MakeLockTile(TileIndex t, Owner o, byte section)
{
SetTileType(t, MP_WATER);
- SetTileOwner(t, OWNER_WATER);
+ SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = section;
}
-static inline void MakeLock(TileIndex t, DiagDirection d)
+static inline void MakeLock(TileIndex t, Owner o, DiagDirection d)
{
TileIndexDiff delta = TileOffsByDir(d);
- MakeLockTile(t, LOCK_MIDDLE + d);
- MakeLockTile(t - delta, LOCK_LOWER + d);
- MakeLockTile(t + delta, LOCK_UPPER + d);
+ MakeLockTile(t, o, LOCK_MIDDLE + d);
+ MakeLockTile(t - delta, o, LOCK_LOWER + d);
+ MakeLockTile(t + delta, o, LOCK_UPPER + d);
}
#endif