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-rw-r--r--src/lang/english.txt1
-rw-r--r--src/town_cmd.cpp170
2 files changed, 97 insertions, 74 deletions
diff --git a/src/lang/english.txt b/src/lang/english.txt
index bc1f08567..3858f06ea 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -3448,6 +3448,7 @@ STR_ERROR_NO_SPACE_FOR_TOWN :{WHITE}... ther
STR_ERROR_TOWN_EXPAND_WARN_NO_ROADS :{WHITE}The town will not build roads. You can enable building of roads via Advanced Settings->Economy->Towns.
STR_ERROR_ROAD_WORKS_IN_PROGRESS :{WHITE}Road works in progress
STR_ERROR_TOWN_CAN_T_DELETE :{WHITE}Can't delete this town...{}A station or depot is referring to the town or a town owned tile can't be removed
+STR_ERROR_STATUE_NO_SUITABLE_PLACE :{WHITE}... there is no suitable place for a statue in the center of this town
# Industry related errors
STR_ERROR_TOO_MANY_INDUSTRIES :{WHITE}... too many industries
diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp
index b2c81b153..68ac64628 100644
--- a/src/town_cmd.cpp
+++ b/src/town_cmd.cpp
@@ -2341,37 +2341,55 @@ const byte _town_action_costs[TACT_COUNT] = {
2, 4, 9, 35, 48, 53, 117, 175
};
-static void TownActionAdvertiseSmall(Town *t)
+static CommandCost TownActionAdvertiseSmall(Town *t, DoCommandFlag flags)
{
- ModifyStationRatingAround(t->xy, _current_company, 0x40, 10);
+ if (flags & DC_EXEC) {
+ ModifyStationRatingAround(t->xy, _current_company, 0x40, 10);
+ }
+ return CommandCost();
}
-static void TownActionAdvertiseMedium(Town *t)
+static CommandCost TownActionAdvertiseMedium(Town *t, DoCommandFlag flags)
{
- ModifyStationRatingAround(t->xy, _current_company, 0x70, 15);
+ if (flags & DC_EXEC) {
+ ModifyStationRatingAround(t->xy, _current_company, 0x70, 15);
+ }
+ return CommandCost();
}
-static void TownActionAdvertiseLarge(Town *t)
+static CommandCost TownActionAdvertiseLarge(Town *t, DoCommandFlag flags)
{
- ModifyStationRatingAround(t->xy, _current_company, 0xA0, 20);
+ if (flags & DC_EXEC) {
+ ModifyStationRatingAround(t->xy, _current_company, 0xA0, 20);
+ }
+ return CommandCost();
}
-static void TownActionRoadRebuild(Town *t)
+static CommandCost TownActionRoadRebuild(Town *t, DoCommandFlag flags)
{
- t->road_build_months = 6;
+ if (flags & DC_EXEC) {
+ t->road_build_months = 6;
- char company_name[MAX_LENGTH_COMPANY_NAME_BYTES];
- SetDParam(0, _current_company);
- GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
+ char company_name[MAX_LENGTH_COMPANY_NAME_BYTES];
+ SetDParam(0, _current_company);
+ GetString(company_name, STR_COMPANY_NAME, lastof(company_name));
- char *cn = strdup(company_name);
- SetDParam(0, t->index);
- SetDParamStr(1, cn);
+ char *cn = strdup(company_name);
+ SetDParam(0, t->index);
+ SetDParamStr(1, cn);
- AddNewsItem(STR_NEWS_ROAD_REBUILDING, NS_GENERAL, NR_TOWN, t->index, NR_NONE, UINT32_MAX, cn);
+ AddNewsItem(STR_NEWS_ROAD_REBUILDING, NS_GENERAL, NR_TOWN, t->index, NR_NONE, UINT32_MAX, cn);
+ }
+ return CommandCost();
}
-static bool DoBuildStatueOfCompany(TileIndex tile, TownID town_id)
+/**
+ * Search callback function for TownActionBuildStatue.
+ * @param tile Tile on which to perform the search.
+ * @param user_data Unused.
+ * @return Result of the test.
+ */
+static bool SearchTileForStatue(TileIndex tile, void *user_data)
{
/* Statues can be build on slopes, just like houses. Only the steep slopes is a no go. */
if (IsSteepSlope(GetTileSlope(tile, NULL))) return false;
@@ -2385,96 +2403,98 @@ static bool DoBuildStatueOfCompany(TileIndex tile, TownID town_id)
}
Backup<CompanyByte> cur_company(_current_company, OWNER_NONE, FILE_LINE);
- CommandCost r = DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
+ CommandCost r = DoCommand(tile, 0, 0, DC_NONE, CMD_LANDSCAPE_CLEAR);
cur_company.Restore();
if (r.Failed()) return false;
- MakeStatue(tile, _current_company, town_id);
- MarkTileDirtyByTile(tile);
-
return true;
}
/**
- * Search callback function for TownActionBuildStatue
- * @param tile on which to perform the search
- * @param user_data The town_id for which we want a statue
- * @return the result of the test
- */
-static bool SearchTileForStatue(TileIndex tile, void *user_data)
-{
- TownID *town_id = (TownID *)user_data;
- return DoBuildStatueOfCompany(tile, *town_id);
-}
-
-/**
* Perform a 9x9 tiles circular search from the center of the town
* in order to find a free tile to place a statue
* @param t town to search in
+ * @param flags Used to check if the statue must be built or not.
+ * @return Empty cost or an error.
*/
-static void TownActionBuildStatue(Town *t)
+static CommandCost TownActionBuildStatue(Town *t, DoCommandFlag flags)
{
TileIndex tile = t->xy;
-
- if (CircularTileSearch(&tile, 9, SearchTileForStatue, &t->index)) {
- SetBit(t->statues, _current_company); // Once found and built, "inform" the Town
+ if (CircularTileSearch(&tile, 9, SearchTileForStatue, NULL)) {
+ if (flags & DC_EXEC) {
+ DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
+ MakeStatue(tile, _current_company, t->index);
+ SetBit(t->statues, _current_company); // Once found and built, "inform" the Town.
+ MarkTileDirtyByTile(tile);
+ }
+ return CommandCost();
}
+ return_cmd_error(STR_ERROR_STATUE_NO_SUITABLE_PLACE);
}
-static void TownActionFundBuildings(Town *t)
+static CommandCost TownActionFundBuildings(Town *t, DoCommandFlag flags)
{
- /* Build next tick */
- t->grow_counter = 1;
- /* If we were not already growing */
- SetBit(t->flags, TOWN_IS_FUNDED);
- /* And grow for 3 months */
- t->fund_buildings_months = 3;
+ if (flags & DC_EXEC) {
+ /* Build next tick */
+ t->grow_counter = 1;
+ /* If we were not already growing */
+ SetBit(t->flags, TOWN_IS_FUNDED);
+ /* And grow for 3 months */
+ t->fund_buildings_months = 3;
+ }
+ return CommandCost();
}
-static void TownActionBuyRights(Town *t)
+static CommandCost TownActionBuyRights(Town *t, DoCommandFlag flags)
{
/* Check if it's allowed to by the rights */
- if (!_settings_game.economy.exclusive_rights) return;
+ if (!_settings_game.economy.exclusive_rights) return CMD_ERROR;
- t->exclusive_counter = 12;
- t->exclusivity = _current_company;
+ if (flags & DC_EXEC) {
+ t->exclusive_counter = 12;
+ t->exclusivity = _current_company;
- ModifyStationRatingAround(t->xy, _current_company, 130, 17);
+ ModifyStationRatingAround(t->xy, _current_company, 130, 17);
+ }
+ return CommandCost();
}
-static void TownActionBribe(Town *t)
+static CommandCost TownActionBribe(Town *t, DoCommandFlag flags)
{
- if (Chance16(1, 14)) {
- /* set as unwanted for 6 months */
- t->unwanted[_current_company] = 6;
-
- /* set all close by station ratings to 0 */
- Station *st;
- FOR_ALL_STATIONS(st) {
- if (st->town == t && st->owner == _current_company) {
- for (CargoID i = 0; i < NUM_CARGO; i++) st->goods[i].rating = 0;
+ if (flags & DC_EXEC) {
+ if (Chance16(1, 14)) {
+ /* set as unwanted for 6 months */
+ t->unwanted[_current_company] = 6;
+
+ /* set all close by station ratings to 0 */
+ Station *st;
+ FOR_ALL_STATIONS(st) {
+ if (st->town == t && st->owner == _current_company) {
+ for (CargoID i = 0; i < NUM_CARGO; i++) st->goods[i].rating = 0;
+ }
}
- }
- /* only show errormessage to the executing player. All errors are handled command.c
- * but this is special, because it can only 'fail' on a DC_EXEC */
- if (IsLocalCompany()) ShowErrorMessage(STR_ERROR_BRIBE_FAILED, STR_ERROR_BRIBE_FAILED_2, WL_INFO);
-
- /* decrease by a lot!
- * ChangeTownRating is only for stuff in demolishing. Bribe failure should
- * be independent of any cheat settings
- */
- if (t->ratings[_current_company] > RATING_BRIBE_DOWN_TO) {
- t->ratings[_current_company] = RATING_BRIBE_DOWN_TO;
- SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
+ /* only show errormessage to the executing player. All errors are handled command.c
+ * but this is special, because it can only 'fail' on a DC_EXEC */
+ if (IsLocalCompany()) ShowErrorMessage(STR_ERROR_BRIBE_FAILED, STR_ERROR_BRIBE_FAILED_2, WL_INFO);
+
+ /* decrease by a lot!
+ * ChangeTownRating is only for stuff in demolishing. Bribe failure should
+ * be independent of any cheat settings
+ */
+ if (t->ratings[_current_company] > RATING_BRIBE_DOWN_TO) {
+ t->ratings[_current_company] = RATING_BRIBE_DOWN_TO;
+ SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
+ }
+ } else {
+ ChangeTownRating(t, RATING_BRIBE_UP_STEP, RATING_BRIBE_MAXIMUM, DC_EXEC);
}
- } else {
- ChangeTownRating(t, RATING_BRIBE_UP_STEP, RATING_BRIBE_MAXIMUM, DC_EXEC);
}
+ return CommandCost();
}
-typedef void TownActionProc(Town *t);
+typedef CommandCost TownActionProc(Town *t, DoCommandFlag flags);
static TownActionProc * const _town_action_proc[] = {
TownActionAdvertiseSmall,
TownActionAdvertiseMedium,
@@ -2547,8 +2567,10 @@ CommandCost CmdDoTownAction(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
CommandCost cost(EXPENSES_OTHER, _price[PR_TOWN_ACTION] * _town_action_costs[p2] >> 8);
+ CommandCost ret = _town_action_proc[p2](t, flags);
+ if (ret.Failed()) return ret;
+
if (flags & DC_EXEC) {
- _town_action_proc[p2](t);
SetWindowDirty(WC_TOWN_AUTHORITY, p1);
}