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authoryexo <yexo@openttd.org>2009-02-26 01:53:22 +0000
committeryexo <yexo@openttd.org>2009-02-26 01:53:22 +0000
commita78724e824bff0f77fd11fad5cbb991b40eb31e3 (patch)
tree516d4160e014b690ab85286bcd9758b728332e7e /src
parenta0c4f1156aa5fcd503d976c102db89b5a683b81a (diff)
downloadopenttd-a78724e824bff0f77fd11fad5cbb991b40eb31e3.tar.xz
(svn r15586) -Fix [FS#2687]: Changing vehicle.dynamic_engines when there are already vehicles can cause crashes.
Diffstat (limited to 'src')
-rw-r--r--src/lang/english.txt1
-rw-r--r--src/settings.cpp20
2 files changed, 20 insertions, 1 deletions
diff --git a/src/lang/english.txt b/src/lang/english.txt
index a13539245..810aa6d99 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -947,6 +947,7 @@ STR_CONFIG_SETTING_PLANE_SPEED :{LTBLUE}Plane s
STR_CONFIG_SETTING_STOP_ON_TOWN_ROAD :{LTBLUE}Allow drive-through road stops on town owned roads: {ORANGE}{STRING}
STR_CONFIG_SETTING_ADJACENT_STATIONS :{LTBLUE}Allow building adjacent stations: {ORANGE}{STRING}
STR_CONFIG_SETTING_DYNAMIC_ENGINES :{LTBLUE}Enable multiple NewGRF engine sets: {ORANGE}{STRING}
+STR_CONFIG_SETTING_DYNAMIC_ENGINES_EXISTING_VEHICLES :{WHITE}Changing this setting is not possible when there are vehicles.
STR_CONFIG_SETTING_SMALL_AIRPORTS :{LTBLUE}Always allow small airports: {ORANGE}{STRING1}
diff --git a/src/settings.cpp b/src/settings.cpp
index ecfc3403c..506ba8abf 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -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),