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(svn r15586) -Fix [FS#2687]: Changing vehicle.dynamic_engines when there are already vehicles can cause crashes.

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This commit is contained in:
yexo
2009-02-26 01:53:22 +00:00
parent a0c4f1156a
commit a78724e824
2 changed files with 20 additions and 1 deletions
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20
src/settings.cpp
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@@ -1136,6 +1136,24 @@ static bool CheckFreeformEdges(int32 p1)
return true;
}
/**
* Changing the setting "allow multiple NewGRF sets" is not allowed
* if there are vehicles.
*/
static bool ChangeDynamicEngines(int32 p1)
{
if (_game_mode == GM_MENU) return true;
const Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (IsCompanyBuildableVehicleType(v)) {
ShowErrorMessage(INVALID_STRING_ID, STR_CONFIG_SETTING_DYNAMIC_ENGINES_EXISTING_VEHICLES, 0, 0);
return false;
}
}
return true;
}
#ifdef ENABLE_NETWORK
static bool UpdateMinActiveClients(int32 p1)
@@ -1348,7 +1366,7 @@ const SettingDesc _settings[] = {
SDT_CONDVAR(GameSettings, vehicle.freight_trains, SLE_UINT8, 39, SL_MAX_VERSION, 0,NN, 1, 1, 255, 1, STR_CONFIG_SETTING_FREIGHT_TRAINS, NULL),
SDT_CONDBOOL(GameSettings, order.timetabling, 67, SL_MAX_VERSION, 0, 0, true, STR_CONFIG_SETTING_TIMETABLE_ALLOW, NULL),
SDT_CONDVAR(GameSettings, vehicle.plane_speed, SLE_UINT8, 90, SL_MAX_VERSION, 0, 0, 4, 1, 4, 0, STR_CONFIG_SETTING_PLANE_SPEED, NULL),
SDT_CONDBOOL(GameSettings, vehicle.dynamic_engines, 95, SL_MAX_VERSION, 0,NN, false, STR_CONFIG_SETTING_DYNAMIC_ENGINES, NULL),
SDT_CONDBOOL(GameSettings, vehicle.dynamic_engines, 95, SL_MAX_VERSION, 0,NN, false, STR_CONFIG_SETTING_DYNAMIC_ENGINES, ChangeDynamicEngines),
SDT_BOOL(GameSettings, station.join_stations, 0, 0, true, STR_CONFIG_SETTING_JOINSTATIONS, NULL),
SDTC_CONDBOOL( gui.sg_full_load_any, 22, 92, 0, 0, true, STR_NULL, NULL),