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authorterkhen <terkhen@openttd.org>2010-07-10 20:15:35 +0000
committerterkhen <terkhen@openttd.org>2010-07-10 20:15:35 +0000
commit191389fa8d78b17a8133112649165284aa418c0e (patch)
treece5519793d61f3d30c15fe4001cbf5e26bea0c33 /src
parent40e58f78ba2b03e6de6f0d8781d47c1cd3acb6d4 (diff)
downloadopenttd-191389fa8d78b17a8133112649165284aa418c0e.tar.xz
(svn r20114) -Add: Show an specific error message when trying to remove rail or build/convert/remove signals over nonexistant railways.
Diffstat (limited to 'src')
-rw-r--r--src/lang/english.txt1
-rw-r--r--src/rail_cmd.cpp22
2 files changed, 12 insertions, 11 deletions
diff --git a/src/lang/english.txt b/src/lang/english.txt
index 6f3dd8bf8..60e294312 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -3549,6 +3549,7 @@ STR_ERROR_CAN_T_BUILD_RAILROAD_TRACK :{WHITE}Can't bu
STR_ERROR_CAN_T_REMOVE_RAILROAD_TRACK :{WHITE}Can't remove railway track from here...
STR_ERROR_CAN_T_REMOVE_SIGNALS_FROM :{WHITE}Can't remove signals from here...
STR_ERROR_SIGNAL_CAN_T_CONVERT_SIGNALS_HERE :{WHITE}Can't convert signals here...
+STR_ERROR_THERE_IS_NO_RAILROAD_TRACK :{WHITE}...there is no railway track
STR_ERROR_CAN_T_CONVERT_RAIL :{WHITE}Can't convert railtype here...
diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
index b84f23397..68f39c73f 100644
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -517,7 +517,7 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, DoCommandFlag flags, uint32 p1,
switch (GetTileType(tile)) {
case MP_ROAD: {
- if (!IsLevelCrossing(tile) || GetCrossingRailBits(tile) != trackbit) return CMD_ERROR;
+ if (!IsLevelCrossing(tile) || GetCrossingRailBits(tile) != trackbit) return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
if (_current_company != OWNER_WATER) {
CommandCost ret = CheckTileOwnership(tile);
@@ -545,8 +545,8 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, DoCommandFlag flags, uint32 p1,
case MP_RAILWAY: {
TrackBits present;
-
- if (!IsPlainRail(tile)) return CMD_ERROR;
+ /* There are no rails present at depots. */
+ if (!IsPlainRail(tile)) return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
if (_current_company != OWNER_WATER) {
CommandCost ret = CheckTileOwnership(tile);
@@ -557,7 +557,7 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, DoCommandFlag flags, uint32 p1,
if (ret.Failed()) return ret;
present = GetTrackBits(tile);
- if ((present & trackbit) == 0) return CMD_ERROR;
+ if ((present & trackbit) == 0) return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
if (present == (TRACK_BIT_X | TRACK_BIT_Y)) crossing = true;
cost.AddCost(RailClearCost(GetRailType(tile)));
@@ -590,7 +590,7 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, DoCommandFlag flags, uint32 p1,
break;
}
- default: return CMD_ERROR;
+ default: return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
}
if (flags & DC_EXEC) {
@@ -923,7 +923,7 @@ CommandCost CmdBuildSingleSignal(TileIndex tile, DoCommandFlag flags, uint32 p1,
/* You can only build signals on plain rail tiles, and the selected track must exist */
if (!ValParamTrackOrientation(track) || !IsPlainRailTile(tile) ||
!HasTrack(tile, track)) {
- return CMD_ERROR;
+ return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
}
CommandCost ret = EnsureNoTrainOnTrack(tile, track);
if (ret.Failed()) return ret;
@@ -1149,7 +1149,7 @@ static CommandCost CmdSignalTrackHelper(TileIndex tile, DoCommandFlag flags, uin
TileIndex end_tile = p1;
if (signal_density == 0 || signal_density > 20) return CMD_ERROR;
- if (!IsPlainRailTile(tile)) return CMD_ERROR;
+ if (!IsPlainRailTile(tile)) return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
/* for vertical/horizontal tracks, double the given signals density
* since the original amount will be too dense (shorter tracks) */
@@ -1284,10 +1284,10 @@ CommandCost CmdRemoveSingleSignal(TileIndex tile, DoCommandFlag flags, uint32 p1
{
Track track = Extract<Track, 0, 3>(p1);
- if (!ValParamTrackOrientation(track) ||
- !IsPlainRailTile(tile) ||
- !HasTrack(tile, track) ||
- !HasSignalOnTrack(tile, track)) {
+ if (!ValParamTrackOrientation(track) || !IsPlainRailTile(tile) || !HasTrack(tile, track)) {
+ return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
+ }
+ if (!HasSignalOnTrack(tile, track)) {
return CMD_ERROR;
}
CommandCost ret = EnsureNoTrainOnTrack(tile, track);