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authorsmatz <smatz@openttd.org>2009-03-08 01:20:11 +0000
committersmatz <smatz@openttd.org>2009-03-08 01:20:11 +0000
commitf5b24edc1e33a43c6bd725482b9150f22414f2f2 (patch)
treeb5902de710ecffe04af17e8f76703457edc2aeba /src
parentc71898461845992cf05f3e17e8ab871b2cc7f463 (diff)
downloadopenttd-f5b24edc1e33a43c6bd725482b9150f22414f2f2.tar.xz
(svn r15642) -Codechange: use a default parameter value in CalcClosestTownFromTile
Diffstat (limited to 'src')
-rw-r--r--src/road_cmd.cpp6
-rw-r--r--src/saveload/afterload.cpp8
-rw-r--r--src/town.h2
-rw-r--r--src/town_cmd.cpp2
4 files changed, 9 insertions, 9 deletions
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index 511ca8169..d80e2d9d1 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -290,7 +290,7 @@ static CommandCost RemoveRoad(TileIndex tile, DoCommandFlag flags, RoadBits piec
} else {
if (rt == ROADTYPE_ROAD && IsRoadOwner(tile, ROADTYPE_ROAD, OWNER_TOWN)) {
/* Update nearest-town index */
- const Town *town = CalcClosestTownFromTile(tile, UINT_MAX);
+ const Town *town = CalcClosestTownFromTile(tile);
SetTownIndex(tile, town == NULL ? (TownID)INVALID_TOWN : town->index);
}
SetRoadBits(tile, ROAD_NONE, rt);
@@ -457,7 +457,7 @@ CommandCost CmdBuildRoad(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
* if a non-company is building the road */
if ((IsValidCompanyID(_current_company) && p2 != 0) || (_current_company == OWNER_TOWN && !IsValidTownID(p2))) return CMD_ERROR;
if (_current_company != OWNER_TOWN) {
- const Town *town = CalcClosestTownFromTile(tile, UINT_MAX);
+ const Town *town = CalcClosestTownFromTile(tile);
p2 = (town != NULL) ? town->index : (TownID)INVALID_TOWN;
}
@@ -1254,7 +1254,7 @@ void UpdateNearestTownForRoadTiles(bool invalidate)
if (IsTileType(t, MP_ROAD) && !HasTownOwnedRoad(t)) {
TownID tid = (TownID)INVALID_TOWN;
if (!invalidate) {
- const Town *town = CalcClosestTownFromTile(t, UINT_MAX);
+ const Town *town = CalcClosestTownFromTile(t);
if (town != NULL) tid = town->index;
}
SetTownIndex(t, tid);
diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index de48d461a..eca68c5fd 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -624,13 +624,13 @@ bool AfterLoadGame()
switch (GetTileType(t)) {
case MP_HOUSE:
_m[t].m4 = _m[t].m2;
- SetTownIndex(t, CalcClosestTownFromTile(t, UINT_MAX)->index);
+ SetTownIndex(t, CalcClosestTownFromTile(t)->index);
break;
case MP_ROAD:
_m[t].m4 |= (_m[t].m2 << 4);
if ((GB(_m[t].m5, 4, 2) == ROAD_TILE_CROSSING ? (Owner)_m[t].m3 : GetTileOwner(t)) == OWNER_TOWN) {
- SetTownIndex(t, CalcClosestTownFromTile(t, UINT_MAX)->index);
+ SetTownIndex(t, CalcClosestTownFromTile(t)->index);
} else {
SetTownIndex(t, 0);
}
@@ -775,7 +775,7 @@ bool AfterLoadGame()
break;
}
if (!HasTownOwnedRoad(t)) {
- const Town *town = CalcClosestTownFromTile(t, (uint)-1);
+ const Town *town = CalcClosestTownFromTile(t);
if (town != NULL) SetTownIndex(t, town->index);
}
_m[t].m4 = 0;
@@ -1273,7 +1273,7 @@ bool AfterLoadGame()
if (CheckSavegameVersion(52)) {
for (TileIndex t = 0; t < map_size; t++) {
if (IsStatueTile(t)) {
- _m[t].m2 = CalcClosestTownFromTile(t, UINT_MAX)->index;
+ _m[t].m2 = CalcClosestTownFromTile(t)->index;
}
}
}
diff --git a/src/town.h b/src/town.h
index 169161505..3588de76a 100644
--- a/src/town.h
+++ b/src/town.h
@@ -340,7 +340,7 @@ static inline Town *GetRandomTown()
return GetTown(index);
}
-Town *CalcClosestTownFromTile(TileIndex tile, uint threshold);
+Town *CalcClosestTownFromTile(TileIndex tile, uint threshold = UINT_MAX);
#define FOR_ALL_TOWNS_FROM(t, start) for (t = GetTown(start); t != NULL; t = (t->index + 1U < GetTownPoolSize()) ? GetTown(t->index + 1U) : NULL) if (t->IsValid())
#define FOR_ALL_TOWNS(t) FOR_ALL_TOWNS_FROM(t, 0)
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index 4432f17a3..a73af923c 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -2590,7 +2590,7 @@ Town *ClosestTownFromTile(TileIndex tile, uint threshold)
Town *town = GetTown(tid);
assert(town->IsValid());
- assert(town == CalcClosestTownFromTile(tile, UINT_MAX));
+ assert(town == CalcClosestTownFromTile(tile));
if (DistanceManhattan(tile, town->xy) >= threshold) town = NULL;