diff options
author | rubidium <rubidium@openttd.org> | 2007-06-18 19:53:50 +0000 |
---|---|---|
committer | rubidium <rubidium@openttd.org> | 2007-06-18 19:53:50 +0000 |
commit | 773a7c9cb64856bd2bca11f9c38eea049b353e4e (patch) | |
tree | 62843984493ffedb69f91d7b85cb631ecb61ff3e | |
parent | bcdb89906b06a64c368e89d2f267cd617b2210c1 (diff) | |
download | openttd-773a7c9cb64856bd2bca11f9c38eea049b353e4e.tar.xz |
(svn r10205) -Codechange: refactor returning of cost, so it can be more easily modified.
37 files changed, 504 insertions, 408 deletions
diff --git a/src/ai/ai.cpp b/src/ai/ai.cpp index ec8837f2c..8086ef29a 100644 --- a/src/ai/ai.cpp +++ b/src/ai/ai.cpp @@ -84,7 +84,7 @@ static void AI_PutCommandInQueue(PlayerID player, TileIndex tile, uint32 p1, uin CommandCost AI_DoCommandCc(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc, CommandCallback* callback) { PlayerID old_lp; - CommandCost res = 0; + CommandCost res; const char* tmp_cmdtext; /* If you enable DC_EXEC with DC_QUERY_COST you are a really strange diff --git a/src/ai/default/default.cpp b/src/ai/default/default.cpp index d5d3922c8..a5bc10514 100644 --- a/src/ai/default/default.cpp +++ b/src/ai/default/default.cpp @@ -152,7 +152,7 @@ static EngineID AiChooseTrainToBuild(RailType railtype, int32 money, byte flag, } ret = DoCommand(tile, i, 0, 0, CMD_BUILD_RAIL_VEHICLE); - if (CmdSucceeded(ret) && ret <= money && rvi->ai_rank >= best_veh_score) { + if (CmdSucceeded(ret) && ret.GetCost() <= money && rvi->ai_rank >= best_veh_score) { best_veh_score = rvi->ai_rank; best_veh_index = i; } @@ -189,8 +189,8 @@ static EngineID AiChooseRoadVehToBuild(CargoID cargo, int32 money, TileIndex til if (CmdFailed(ret)) continue; /* Add the cost of refitting */ - if (rvi->cargo_type != cargo) ret += GetRefitCost(i); - if (ret > money) continue; + if (rvi->cargo_type != cargo) ret.AddCost(GetRefitCost(i)); + if (ret.GetCost() > money) continue; best_veh_rating = rating; best_veh_index = i; @@ -216,8 +216,8 @@ static EngineID AiChooseAircraftToBuild(int32 money, byte flag) if ((AircraftVehInfo(i)->subtype & AIR_CTOL) != flag) continue; ret = DoCommand(0, i, 0, DC_QUERY_COST, CMD_BUILD_AIRCRAFT); - if (CmdSucceeded(ret) && ret <= money && ret >= best_veh_cost) { - best_veh_cost = ret; + if (CmdSucceeded(ret) && ret.GetCost() <= money && ret.GetCost() >= best_veh_cost) { + best_veh_cost = ret.GetCost(); best_veh_index = i; } } @@ -1641,7 +1641,7 @@ static bool AiCheckTrackResources(TileIndex tile, const AiDefaultBlockData *p, b static CommandCost AiDoBuildDefaultRailTrack(TileIndex tile, const AiDefaultBlockData* p, RailType railtype, byte flag) { CommandCost ret; - CommandCost total_cost = 0; + CommandCost total_cost; Town *t = NULL; int rating = 0; int i, j, k; @@ -1662,7 +1662,7 @@ static CommandCost AiDoBuildDefaultRailTrack(TileIndex tile, const AiDefaultBloc } if (CmdFailed(ret)) return CMD_ERROR; - total_cost += ret; + total_cost.AddCost(ret); clear_town_stuff:; if (_cleared_town != NULL) { @@ -1684,7 +1684,7 @@ clear_town_stuff:; k = i; ret = DoCommand(c, railtype, i, flag | DC_AUTO | DC_NO_WATER, CMD_BUILD_SINGLE_RAIL); if (CmdFailed(ret)) return CMD_ERROR; - total_cost += ret; + total_cost.AddCost(ret); } } @@ -1699,17 +1699,18 @@ clear_town_stuff:; ret = DoCommand(c, k, 0, flag, CMD_BUILD_SIGNALS); } while (--j); } else { - ret = _price.build_signals; + ret.AddCost(_price.build_signals); } if (CmdFailed(ret)) return CMD_ERROR; - total_cost += ret; + total_cost.AddCost(ret); } } else if (p->mode == 3) { //Clear stuff and then build single rail. if (GetTileSlope(c, NULL) != SLOPE_FLAT) return CMD_ERROR; ret = DoCommand(c, 0, 0, flag | DC_AUTO | DC_NO_WATER | DC_AI_BUILDING, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return CMD_ERROR; - total_cost += ret + _price.build_rail; + total_cost.AddCost(ret); + total_cost.AddCost(_price.build_rail); if (flag & DC_EXEC) { DoCommand(c, railtype, p->attr & 1, flag | DC_AUTO | DC_NO_WATER | DC_AI_BUILDING, CMD_BUILD_SINGLE_RAIL); @@ -2069,7 +2070,7 @@ static inline void AiCheckBuildRailTunnelHere(AiRailFinder *arf, TileIndex tile, if (GetTileSlope(tile, &z) == _dir_table_2[p[0] & 3] && z != 0) { CommandCost cost = DoCommand(tile, arf->player->ai.railtype_to_use, 0, DC_AUTO, CMD_BUILD_TUNNEL); - if (CmdSucceeded(cost) && cost <= (arf->player->player_money >> 4)) { + if (CmdSucceeded(cost) && cost.GetCost() <= (arf->player->player_money >> 4)) { AiBuildRailRecursive(arf, _build_tunnel_endtile, p[0] & 3); if (arf->depth == 1) AiCheckRailPathBetter(arf, p); } @@ -2210,8 +2211,8 @@ static void AiBuildRailConstruct(Player *p) */ for (i = MAX_BRIDGES - 1; i != 0; i--) { if (CheckBridge_Stuff(i, bridge_len)) { - int32 cost = DoCommand(arf.bridge_end_tile, p->ai.cur_tile_a, i | (p->ai.railtype_to_use << 8), DC_AUTO, CMD_BUILD_BRIDGE); - if (CmdSucceeded(cost) && cost < (p->player_money >> 5)) break; + CommandCost cost = DoCommand(arf.bridge_end_tile, p->ai.cur_tile_a, i | (p->ai.railtype_to_use << 8), DC_AUTO, CMD_BUILD_BRIDGE); + if (CmdSucceeded(cost) && cost.GetCost() < (p->player_money >> 5)) break; } } @@ -2629,7 +2630,7 @@ static int AiFindBestDefaultRoadBlock(TileIndex tile, byte direction, byte cargo static CommandCost AiDoBuildDefaultRoadBlock(TileIndex tile, const AiDefaultBlockData *p, byte flag) { CommandCost ret; - CommandCost total_cost = 0; + CommandCost total_cost; Town *t = NULL; int rating = 0; int roadflag = 0; @@ -2651,7 +2652,7 @@ static CommandCost AiDoBuildDefaultRoadBlock(TileIndex tile, const AiDefaultBloc ret = DoCommand(c, p->attr, 0, flag | DC_AUTO | DC_NO_WATER, CMD_BUILD_ROAD); if (CmdFailed(ret)) return CMD_ERROR; - total_cost += ret; + total_cost.AddCost(ret); continue; } @@ -2671,7 +2672,7 @@ static CommandCost AiDoBuildDefaultRoadBlock(TileIndex tile, const AiDefaultBloc clear_town_stuff:; if (CmdFailed(ret)) return CMD_ERROR; - total_cost += ret; + total_cost.AddCost(ret); if (_cleared_town != NULL) { if (t != NULL && t != _cleared_town) return CMD_ERROR; @@ -2969,7 +2970,7 @@ static inline void AiCheckBuildRoadTunnelHere(AiRoadFinder *arf, TileIndex tile, if (GetTileSlope(tile, &z) == _dir_table_2[p[0] & 3] && z != 0) { CommandCost cost = DoCommand(tile, 0x200, 0, DC_AUTO, CMD_BUILD_TUNNEL); - if (CmdSucceeded(cost) && cost <= (arf->player->player_money >> 4)) { + if (CmdSucceeded(cost) && cost.GetCost() <= (arf->player->player_money >> 4)) { AiBuildRoadRecursive(arf, _build_tunnel_endtile, p[0] & 3); if (arf->depth == 1) AiCheckRoadPathBetter(arf, p); } @@ -3102,7 +3103,7 @@ do_some_terraform: for (i = 10; i != 0; i--) { if (CheckBridge_Stuff(i, bridge_len)) { CommandCost cost = DoCommand(tile, p->ai.cur_tile_a, i + ((0x80 | ROADTYPES_ROAD) << 8), DC_AUTO, CMD_BUILD_BRIDGE); - if (CmdSucceeded(cost) && cost < (p->player_money >> 5)) break; + if (CmdSucceeded(cost) && cost.GetCost() < (p->player_money >> 5)) break; } } @@ -3390,13 +3391,13 @@ static void AiStateAirportStuff(Player *p) static CommandCost AiDoBuildDefaultAirportBlock(TileIndex tile, const AiDefaultBlockData *p, byte flag) { uint32 avail_airports = GetValidAirports(); - CommandCost total_cost = 0, ret; + CommandCost total_cost, ret; for (; p->mode == 0; p++) { if (!HASBIT(avail_airports, p->attr)) return CMD_ERROR; ret = DoCommand(TILE_MASK(tile + ToTileIndexDiff(p->tileoffs)), p->attr, 0, flag | DC_AUTO | DC_NO_WATER, CMD_BUILD_AIRPORT); if (CmdFailed(ret)) return CMD_ERROR; - total_cost += ret; + total_cost.AddCost(ret); } return total_cost; diff --git a/src/ai/trolly/build.cpp b/src/ai/trolly/build.cpp index 25b7ebd8d..41c80529c 100644 --- a/src/ai/trolly/build.cpp +++ b/src/ai/trolly/build.cpp @@ -97,7 +97,7 @@ CommandCost AiNew_Build_RoutePart(Player *p, Ai_PathFinderInfo *PathFinderInfo, TileIndex *route = PathFinderInfo->route; int dir; int old_dir = -1; - CommandCost cost = 0; + CommandCost cost; CommandCost res; // We need to calculate the direction with the parent of the parent.. so we skip // the first pieces and the last piece @@ -105,30 +105,30 @@ CommandCost AiNew_Build_RoutePart(Player *p, Ai_PathFinderInfo *PathFinderInfo, // When we are done, stop it if (part >= PathFinderInfo->route_length - 1) { PathFinderInfo->position = -2; - return 0; + return CommandCost(); } if (PathFinderInfo->rail_or_road) { // Tunnel code if ((AI_PATHFINDER_FLAG_TUNNEL & route_extra[part]) != 0) { - cost += AI_DoCommand(route[part], 0, 0, flag, CMD_BUILD_TUNNEL); + cost.AddCost(AI_DoCommand(route[part], 0, 0, flag, CMD_BUILD_TUNNEL)); PathFinderInfo->position++; // TODO: problems! if (CmdFailed(cost)) { DEBUG(ai, 0, "[BuildPath] tunnel could not be built (0x%X)", route[part]); - return 0; + return CommandCost(); } return cost; } // Bridge code if ((AI_PATHFINDER_FLAG_BRIDGE & route_extra[part]) != 0) { - cost += AiNew_Build_Bridge(p, route[part], route[part - 1], flag); + cost.AddCost(AiNew_Build_Bridge(p, route[part], route[part - 1], flag)); PathFinderInfo->position++; // TODO: problems! if (CmdFailed(cost)) { DEBUG(ai, 0, "[BuildPath] bridge could not be built (0x%X, 0x%X)", route[part], route[part - 1]); - return 0; + return CommandCost(); } return cost; } @@ -147,9 +147,9 @@ CommandCost AiNew_Build_RoutePart(Player *p, Ai_PathFinderInfo *PathFinderInfo, if (CmdFailed(res)) { // Problem.. let's just abort it all! p->ainew.state = AI_STATE_NOTHING; - return 0; + return CommandCost(); } - cost += res; + cost.AddCost(res); // Go to the next tile part++; // Check if it is still in range.. @@ -162,23 +162,23 @@ CommandCost AiNew_Build_RoutePart(Player *p, Ai_PathFinderInfo *PathFinderInfo, } else { // Tunnel code if ((AI_PATHFINDER_FLAG_TUNNEL & route_extra[part]) != 0) { - cost += AI_DoCommand(route[part], 0x200 | ROADTYPES_ROAD, 0, flag, CMD_BUILD_TUNNEL); + cost.AddCost(AI_DoCommand(route[part], 0x200 | ROADTYPES_ROAD, 0, flag, CMD_BUILD_TUNNEL)); PathFinderInfo->position++; // TODO: problems! if (CmdFailed(cost)) { DEBUG(ai, 0, "[BuildPath] tunnel could not be built (0x%X)", route[part]); - return 0; + return CommandCost(); } return cost; } // Bridge code if ((AI_PATHFINDER_FLAG_BRIDGE & route_extra[part]) != 0) { - cost += AiNew_Build_Bridge(p, route[part], route[part + 1], flag); + cost.AddCost(AiNew_Build_Bridge(p, route[part], route[part + 1], flag)); PathFinderInfo->position++; // TODO: problems! if (CmdFailed(cost)) { DEBUG(ai, 0, "[BuildPath] bridge could not be built (0x%X, 0x%X)", route[part], route[part + 1]); - return 0; + return CommandCost(); } return cost; } @@ -203,10 +203,10 @@ CommandCost AiNew_Build_RoutePart(Player *p, Ai_PathFinderInfo *PathFinderInfo, // Problem.. let's just abort it all! DEBUG(ai, 0, "[BuidPath] route building failed at tile 0x%X, aborting", route[part]); p->ainew.state = AI_STATE_NOTHING; - return 0; + return CommandCost(); } - if (CmdSucceeded(res)) cost += res; + if (CmdSucceeded(res)) cost.AddCost(res); } // Go to the next tile part++; @@ -314,11 +314,12 @@ CommandCost AiNew_Build_Depot(Player* p, TileIndex tile, DiagDirection direction return AI_DoCommand(tile, 0, direction, flag | DC_AUTO | DC_NO_WATER, CMD_BUILD_TRAIN_DEPOT); } else { ret = AI_DoCommand(tile, direction, 0, flag | DC_AUTO | DC_NO_WATER, CMD_BUILD_ROAD_DEPOT); - if (CmdFailed(ret)) return ret; + if (CmdFailed(ret2)) return ret; // Try to build the road from the depot ret2 = AI_DoCommand(tile + TileOffsByDiagDir(direction), DiagDirToRoadBits(ReverseDiagDir(direction)), 0, flag | DC_AUTO | DC_NO_WATER, CMD_BUILD_ROAD); // If it fails, ignore it.. if (CmdFailed(ret2)) return ret; - return ret + ret2; + ret.AddCost(ret2); + return ret; } } diff --git a/src/ai/trolly/trolly.cpp b/src/ai/trolly/trolly.cpp index f0e3e2500..fb0263d41 100644 --- a/src/ai/trolly/trolly.cpp +++ b/src/ai/trolly/trolly.cpp @@ -691,7 +691,7 @@ static void AiNew_State_FindStation(Player *p) // See how much it is going to cost us... r = AiNew_Build_Station(p, p->ainew.tbt, new_tile, 0, 0, 0, DC_QUERY_COST); - p->ainew.new_cost += r; + p->ainew.new_cost += r.GetCost(); direction = AI_PATHFINDER_NO_DIRECTION; } else if (new_tile == 0 && p->ainew.tbt == AI_TRUCK) { @@ -850,7 +850,7 @@ static void AiNew_State_FindDepot(Player *p) r = AiNew_Build_Depot(p, t, ReverseDiagDir(j), 0); if (CmdFailed(r)) continue; // Found a spot! - p->ainew.new_cost += r; + p->ainew.new_cost += r.GetCost(); p->ainew.depot_tile = t; p->ainew.depot_direction = ReverseDiagDir(j); // Reverse direction p->ainew.state = AI_STATE_VERIFY_ROUTE; @@ -935,7 +935,7 @@ static void AiNew_State_VerifyRoute(Player *p) do { p->ainew.path_info.position++; - p->ainew.new_cost += AiNew_Build_RoutePart(p, &p->ainew.path_info, DC_QUERY_COST); + p->ainew.new_cost += AiNew_Build_RoutePart(p, &p->ainew.path_info, DC_QUERY_COST).GetCost(); } while (p->ainew.path_info.position != -2); // Now we know the price of build station + path. Now check how many vehicles @@ -951,7 +951,7 @@ static void AiNew_State_VerifyRoute(Player *p) // Check how much it it going to cost us.. for (i=0;i<res;i++) { - p->ainew.new_cost += AiNew_Build_Vehicle(p, 0, DC_QUERY_COST); + p->ainew.new_cost += AiNew_Build_Vehicle(p, 0, DC_QUERY_COST).GetCost(); } // Now we know how much the route is going to cost us @@ -985,7 +985,7 @@ static void AiNew_State_VerifyRoute(Player *p) // Build the stations static void AiNew_State_BuildStation(Player *p) { - CommandCost res = 0; + CommandCost res; assert(p->ainew.state == AI_STATE_BUILD_STATION); if (p->ainew.temp == 0) { if (!IsTileType(p->ainew.from_tile, MP_STATION)) @@ -1103,7 +1103,7 @@ static void AiNew_State_BuildPath(Player *p) // Builds the depot static void AiNew_State_BuildDepot(Player *p) { - CommandCost res = 0; + CommandCost res; assert(p->ainew.state == AI_STATE_BUILD_DEPOT); if (IsTileType(p->ainew.depot_tile, MP_STREET) && GetRoadTileType(p->ainew.depot_tile) == ROAD_TILE_DEPOT) { @@ -1278,7 +1278,7 @@ static void AiNew_CheckVehicle(Player *p, Vehicle *v) if (!AiNew_SetSpecialVehicleFlag(p, v, AI_VEHICLEFLAG_SELL)) return; { - CommandCost ret = 0; + CommandCost ret; if (v->type == VEH_ROAD) ret = AI_DoCommand(0, v->index, 0, DC_EXEC, CMD_SEND_ROADVEH_TO_DEPOT); // This means we can not find a depot :s diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp index de5c27ea1..5215b4a0e 100644 --- a/src/aircraft_cmd.cpp +++ b/src/aircraft_cmd.cpp @@ -229,7 +229,7 @@ void GetAircraftSpriteSize(EngineID engine, uint &width, uint &height) static CommandCost EstimateAircraftCost(EngineID engine, const AircraftVehicleInfo *avi) { - return GetEngineProperty(engine, 0x0B, avi->base_cost) * (_price.aircraft_base >> 3) >> 5; + return CommandCost(GetEngineProperty(engine, 0x0B, avi->base_cost) * (_price.aircraft_base >> 3) >> 5); } @@ -346,7 +346,7 @@ CommandCost CmdBuildAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) v->subtype = (avi->subtype & AIR_CTOL ? AIR_AIRCRAFT : AIR_HELICOPTER); v->UpdateDeltaXY(INVALID_DIR); - v->value = value; + v->value = (uint32)value.GetCost(); u->subtype = AIR_SHADOW; u->UpdateDeltaXY(INVALID_DIR); @@ -493,7 +493,7 @@ CommandCost CmdSellAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DoDeleteAircraft(v); } - return -(int32)v->value; + return CommandCost(-(int32)v->value); } /** Start/Stop an aircraft. @@ -534,7 +534,7 @@ CommandCost CmdStartStopAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 InvalidateWindowClasses(WC_AIRCRAFT_LIST); } - return 0; + return CommandCost(); } /** Send an aircraft to the hangar. @@ -569,7 +569,7 @@ CommandCost CmdSendAircraftToHangar(TileIndex tile, uint32 flags, uint32 p1, uin TOGGLEBIT(v->current_order.flags, OFB_HALT_IN_DEPOT); InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } if (p2 & DEPOT_DONT_CANCEL) return CMD_ERROR; // Requested no cancelation of hangar orders @@ -609,7 +609,7 @@ CommandCost CmdSendAircraftToHangar(TileIndex tile, uint32 flags, uint32 p1, uin } } - return 0; + return CommandCost(); } @@ -668,7 +668,7 @@ CommandCost CmdRefitAircraft(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } _returned_refit_capacity = pass; - CommandCost cost = 0; + CommandCost cost; if (IsHumanPlayer(v->owner) && new_cid != v->cargo_type) { cost = GetRefitCost(v->engine_type); } @@ -744,9 +744,9 @@ void OnNewDay_Aircraft(Vehicle *v) if (v->vehstatus & VS_STOPPED) return; - CommandCost cost = GetVehicleProperty(v, 0x0E, AircraftVehInfo(v->engine_type)->running_cost) * _price.aircraft_running / 364; + CommandCost cost = CommandCost(GetVehicleProperty(v, 0x0E, AircraftVehInfo(v->engine_type)->running_cost) * _price.aircraft_running / 364); - v->profit_this_year -= cost >> 8; + v->profit_this_year -= cost.GetCost() >> 8; SET_EXPENSES_TYPE(EXPENSES_AIRCRAFT_RUN); SubtractMoneyFromPlayerFract(v->owner, cost); diff --git a/src/autoreplace_cmd.cpp b/src/autoreplace_cmd.cpp index 4a69e17fa..0a2fd313c 100644 --- a/src/autoreplace_cmd.cpp +++ b/src/autoreplace_cmd.cpp @@ -154,7 +154,7 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, int32 total_cost) replacement_cargo_type = GetNewCargoTypeForReplace(old_v, new_engine_type); /* check if we can't refit to the needed type, so no replace takes place to prevent the vehicle from altering cargo type */ - if (replacement_cargo_type == CT_INVALID) return 0; + if (replacement_cargo_type == CT_INVALID) return CommandCost(); sell_value = DoCommand(0, old_v->index, 0, DC_QUERY_COST, GetCmdSellVeh(old_v)); @@ -167,15 +167,17 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, int32 total_cost) cost = DoCommand(old_v->tile, new_engine_type, 3, flags, GetCmdBuildVeh(old_v)); if (CmdFailed(cost)) { SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES); - SubtractMoneyFromPlayer(-sell_value); // Take back the money we just gave the player + /* Take back the money we just gave the player */ + sell_value.MultiplyCost(-1); + SubtractMoneyFromPlayer(sell_value); return cost; } if (replacement_cargo_type != CT_NO_REFIT) { /* add refit cost */ CommandCost refit_cost = GetRefitCost(new_engine_type); - if (old_v->type == VEH_TRAIN && IsMultiheaded(old_v)) refit_cost += refit_cost; // pay for both ends - cost += refit_cost; + if (old_v->type == VEH_TRAIN && IsMultiheaded(old_v)) refit_cost.AddCost(refit_cost); // pay for both ends + cost.AddCost(refit_cost); } if (flags & DC_EXEC) { @@ -246,7 +248,7 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, int32 total_cost) GetName(vehicle_name, old_v->string_id & 0x7FF, lastof(vehicle_name)); } } else { // flags & DC_EXEC not set - CommandCost tmp_move = 0; + CommandCost tmp_move; if (old_v->type == VEH_TRAIN && IsFrontEngine(old_v) && old_v->next != NULL) { /* Verify that the wagons can be placed on the engine in question. * This is done by building an engine, test if the wagons can be added and then sell the test engine. */ @@ -258,9 +260,11 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, int32 total_cost) /* Ensure that the player will not end up having negative money while autoreplacing * This is needed because the only other check is done after the income from selling the old vehicle is substracted from the cost */ - if (CmdFailed(tmp_move) || p->money64 < (cost + total_cost)) { + if (CmdFailed(tmp_move) || p->money64 < (cost.GetCost() + total_cost)) { SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES); - SubtractMoneyFromPlayer(-sell_value); // Pay back the loan + /* Pay back the loan */ + sell_value.MultiplyCost(-1); + SubtractMoneyFromPlayer(sell_value); return CMD_ERROR; } } @@ -268,10 +272,11 @@ static CommandCost ReplaceVehicle(Vehicle **w, byte flags, int32 total_cost) /* Take back the money we just gave the player just before building the vehicle * The player will get the same amount now that the sale actually takes place */ SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES); - SubtractMoneyFromPlayer(-sell_value); + sell_value.MultiplyCost(-1); + SubtractMoneyFromPlayer(sell_value); /* sell the engine/ find out how much you get for the old engine (income is returned as negative cost) */ - cost += DoCommand(0, old_v->index, 0, flags, GetCmdSellVeh(old_v)); + cost.AddCost(DoCommand(0, old_v->index, 0, flags, GetCmdSellVeh(old_v))); if (new_front) { /* now we assign the old unitnumber to the new vehicle */ @@ -300,7 +305,7 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, bool check, bool display_costs) Vehicle *w; const Player *p = GetPlayer(v->owner); byte flags = 0; - CommandCost cost, temp_cost = 0; + CommandCost cost, temp_cost; bool stopped; /* Remember the length in case we need to trim train later on @@ -326,7 +331,7 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, bool check, bool display_costs) v->leave_depot_instantly = false; for (;;) { - cost = 0; + cost = CommandCost(); w = v; do { if (w->type == VEH_TRAIN && IsMultiheaded(w) && !IsTrainEngine(w)) { @@ -352,7 +357,7 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, bool check, bool display_costs) } /* Now replace the vehicle */ - temp_cost = ReplaceVehicle(&w, flags, cost); + temp_cost = ReplaceVehicle(&w, flags, cost.GetCost()); if (CmdFailed(temp_cost)) break; // replace failed for some reason. Leave the vehicle alone @@ -364,11 +369,11 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, bool check, bool display_costs) */ v = w; } - cost += temp_cost; + cost.AddCost(temp_cost); } while (w->type == VEH_TRAIN && (w = GetNextVehicle(w)) != NULL); - if (!(flags & DC_EXEC) && (p->money64 < (int32)(cost + p->engine_renew_money) || cost == 0)) { - if (!check && p->money64 < (int32)(cost + p->engine_renew_money) && ( _local_player == v->owner ) && cost != 0) { + if (!(flags & DC_EXEC) && (p->money64 < (int32)(cost.GetCost() + p->engine_renew_money) || cost.GetCost() == 0)) { + if (!check && p->money64 < (int32)(cost.GetCost() + p->engine_renew_money) && ( _local_player == v->owner ) && cost.GetCost() != 0) { StringID message; SetDParam(0, v->unitnumber); switch (v->type) { @@ -418,13 +423,13 @@ CommandCost MaybeReplaceVehicle(Vehicle *v, bool check, bool display_costs) w = GetNextVehicle(w); DoCommand(0, (INVALID_VEHICLE << 16) | temp->index, 0, DC_EXEC, CMD_MOVE_RAIL_VEHICLE); MoveVehicleCargo(v, temp); - cost += DoCommand(0, temp->index, 0, DC_EXEC, CMD_SELL_RAIL_WAGON); + cost.AddCost(DoCommand(0, temp->index, 0, DC_EXEC, CMD_SELL_RAIL_WAGON)); } } if (stopped) v->vehstatus &= ~VS_STOPPED; if (display_costs) { - if (IsLocalPlayer()) ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, cost); + if (IsLocalPlayer()) ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, cost.GetCost()); _current_player = OWNER_NONE; } return cost; diff --git a/src/bridge_gui.cpp b/src/bridge_gui.cpp index b78f4ddd8..da0cd4a88 100644 --- a/src/bridge_gui.cpp +++ b/src/bridge_gui.cpp @@ -145,7 +145,7 @@ void ShowBuildBridgeWindow(TileIndex start, TileIndex end, byte bridge_type) const Bridge *b = &_bridge[bridge_type]; // bridge is accepted, add to list // add to terraforming & bulldozing costs the cost of the bridge itself (not computed with DC_QUERY_COST) - _bridgedata.costs[j] = ret + (((int64)tot_bridgedata_len * _price.build_bridge * b->price) >> 8); + _bridgedata.costs[j] = ret.GetCost() + (((int64)tot_bridgedata_len * _price.build_bridge * b->price) >> 8); _bridgedata.indexes[j] = bridge_type; j++; } diff --git a/src/clear_cmd.cpp b/src/clear_cmd.cpp index d7a077c8a..a1a632d61 100644 --- a/src/clear_cmd.cpp +++ b/src/clear_cmd.cpp @@ -148,7 +148,7 @@ static int TerraformProc(TerraformerState *ts, TileIndex tile, int mode) return -1; } - ts->cost += ret; + ts->cost.AddCost(ret.GetCost()); if (ts->tile_table_count >= 625) return -1; ts->tile_table[ts->tile_table_count++] = tile; @@ -198,7 +198,7 @@ static bool TerraformTileHeight(TerraformerState *ts, TileIndex tile, int height mod->tile = tile; mod->height = (byte)height; - ts->cost += _price.terraform; + ts->cost.AddCost(_price.terraform); { int direction = ts->direction, r; @@ -248,7 +248,7 @@ CommandCost CmdTerraformLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) ts.direction = direction = p2 ? 1 : -1; ts.flags = flags; ts.modheight_count = ts.tile_table_count = 0; - ts.cost = 0; + ts.cost = CommandCost(); ts.modheight = modheight_data; ts.tile_table = tile_table_data; @@ -364,7 +364,7 @@ CommandCost CmdLevelLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) int ey; int sx, sy; uint h, curh; - int32 money; + CommandCost money; CommandCost ret; CommandCost cost; @@ -387,29 +387,29 @@ CommandCost CmdLevelLand(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) size_x = ex - sx + 1; size_y = ey - sy + 1; - money = GetAvailableMoneyForCommand(); - cost = 0; + money.AddCost(GetAvailableMoneyForCommand()); BEGIN_TILE_LOOP(tile2, size_x, size_y, tile) { curh = TileHeight(tile2); while (curh != h) { ret = DoCommand(tile2, 8, (curh > h) ? 0 : 1, flags & ~DC_EXEC, CMD_TERRAFORM_LAND); if (CmdFailed(ret)) break; - cost += ret; if (flags & DC_EXEC) { - if ((money -= ret) < 0) { - _additional_cash_required = ret; - return cost - ret; + money.AddCost(-ret.GetCost()); + if (money.GetCost() < 0) { + _additional_cash_required = ret.GetCost(); + return cost; } DoCommand(tile2, 8, (curh > h) ? 0 : 1, flags, CMD_TERRAFORM_LAND); } + cost.AddCost(ret); curh += (curh > h) ? -1 : 1; } } END_TILE_LOOP(tile2, size_x, size_y, tile) - return (cost == 0) ? CMD_ERROR : cost; + return (cost.GetCost() == 0) ? CMD_ERROR : cost; } /** Purchase a land area. Actually you only purchase one tile, so @@ -440,7 +440,7 @@ CommandCost CmdPurchaseLandArea(TileIndex tile, uint32 flags, uint32 p1, uint32 MarkTileDirtyByTile(tile); } - return cost + _price.purchase_land * 10; + return cost.AddCost(_price.purchase_land * 10); } @@ -457,10 +457,8 @@ static CommandCost ClearTile_Clear(TileIndex tile, byte flags) }; CommandCost price; - if (IsClearGround(tile, CLEAR_GRASS) && GetClearDensity(tile) == 0) { - price = 0; - } else { - price = *clear_price_table[GetClearGround(tile)]; + if (!IsClearGround(tile, CLEAR_GRASS) || GetClearDensity(tile) != 0) { + price.AddCost(*clear_price_table[GetClearGround(tile)]); } if (flags & DC_EXEC) DoClearSquare(tile); @@ -488,7 +486,7 @@ CommandCost CmdSellLandArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (flags & DC_EXEC) DoClearSquare(tile); - return - _price.purchase_land * 2; + return CommandCost(- _price.purchase_land * 2); } diff --git a/src/command.cpp b/src/command.cpp index 210aaadf6..c55846679 100644 --- a/src/command.cpp +++ b/src/command.cpp @@ -372,13 +372,13 @@ CommandCost DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint p if (_docommand_recursive == 1 || !(flags & DC_EXEC) || (flags & DC_FORCETEST) ) { res = proc(tile, flags & ~DC_EXEC, p1, p2); if (CmdFailed(res)) { - if (res & 0xFFFF) _error_message = res & 0xFFFF; + res.SetGlobalErrorMessage(); goto error; } if (_docommand_recursive == 1 && !(flags & DC_QUERY_COST) && - res != 0 && + res.GetCost() != 0 && !CheckPlayerHasMoney(res)) { goto error; } @@ -394,7 +394,7 @@ CommandCost DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint p * themselves with "SET_EXPENSES_TYPE(...);" at the beginning of the function */ res = proc(tile, flags, p1, p2); if (CmdFailed(res)) { - if (res & 0xFFFF) _error_message = res & 0xFFFF; + res.SetGlobalErrorMessage(); error: _docommand_recursive--; _cmd_text = NULL; @@ -425,7 +425,7 @@ int32 GetAvailableMoneyForCommand() * the callback is called when the command succeeded or failed. */ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd) { - CommandCost res = 0, res2; + CommandCost res, res2; CommandProc *proc; uint32 flags; bool notest; @@ -497,10 +497,10 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, /* estimate the cost. */ res = proc(tile, flags, p1, p2); if (CmdFailed(res)) { - if (res & 0xFFFF) _error_message = res & 0xFFFF; + res.SetGlobalErrorMessage(); ShowErrorMessage(_error_message, error_part1, x, y); } else { - ShowEstimatedCostOrIncome(res, x, y); + ShowEstimatedCostOrIncome(res.GetCost(), x, y); } _docommand_recursive = 0; @@ -513,11 +513,11 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, /* first test if the command can be executed. */ res = proc(tile, flags, p1, p2); if (CmdFailed(res)) { - if (res & 0xFFFF) _error_message = res & 0xFFFF; + res.SetGlobalErrorMessage(); goto show_error; } /* no money? Only check if notest is off */ - if (!notest && res != 0 && !CheckPlayerHasMoney(res)) goto show_error; + if (!notest && res.GetCost() != 0 && !CheckPlayerHasMoney(res)) goto show_error; } #ifdef ENABLE_NETWORK @@ -552,10 +552,10 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, /* If notest is on, it means the result of the test can be different than * the real command.. so ignore the test */ if (!notest && !((cmd & CMD_NO_TEST_IF_IN_NETWORK) && _networking)) { - assert(res == res2); // sanity check + assert(res.GetCost() == res2.GetCost() && CmdFailed(res) == CmdFailed(res2)); // sanity check } else { if (CmdFailed(res2)) { - if (res2 & 0xFFFF) _error_message = res2 & 0xFFFF; + res.SetGlobalErrorMessage(); goto show_error; } } @@ -563,11 +563,11 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, SubtractMoneyFromPlayer(res2); if (IsLocalPlayer() && _game_mode != GM_EDITOR) { - if (res2 != 0) ShowCostOrIncomeAnimation(x, y, GetSlopeZ(x, y), res2); + if (res2.GetCost() != 0) ShowCostOrIncomeAnimation(x, y, GetSlopeZ(x, y), res2.GetCost()); if (_additional_cash_required) { SetDParam(0, _additional_cash_required); ShowErrorMessage(STR_0003_NOT_ENOUGH_CASH_REQUIRES, error_part1, x, y); - if (res2 == 0) goto callb_err; + if (res2.GetCost() == 0) goto callb_err; } } @@ -590,3 +590,47 @@ callb_err: _cmd_text = NULL; return false; } + + +CommandCost CommandCost::AddCost(CommandCost ret) +{ + this->cost += ret.cost; + if (this->success && !ret.success) { + this->message = ret.message; + this->success = false; + } + return *this; +} + +CommandCost CommandCost::AddCost(int32 cost) +{ + this->cost += cost; + return *this; +} + +CommandCost CommandCost::MultiplyCost(int factor) +{ + this->cost *= factor; + return *this; +} + +int32 CommandCost::GetCost() const +{ + return this->cost; +} + +void CommandCost::SetGlobalErrorMessage() const +{ + extern StringID _error_message; + if (this->message != INVALID_STRING_ID) _error_message = this->message; +} + +bool CommandCost::Succeeded() const +{ + return this->success; +} + +bool CommandCost::Failed() const +{ + return !this->success; +} diff --git a/src/command.h b/src/command.h index 177663e0b..c269ed43d 100644 --- a/src/command.h +++ b/src/command.h @@ -164,8 +164,6 @@ enum { DC_AI_BUILDING = 0x20, ///< special building rules for AI DC_NO_TOWN_RATING = 0x40, ///< town rating does not disallow you from building DC_FORCETEST = 0x80, ///< force test too. - - CMD_ERROR = ((int32)0x80000000), }; #define CMD_MSG(x) ((x) << 16) @@ -191,21 +189,12 @@ struct Command { byte flags; }; -//#define return_cmd_error(errcode) do { _error_message=(errcode); return CMD_ERROR; } while(0) -#define return_cmd_error(errcode) do { return CMD_ERROR | (errcode); } while (0) - -/** - * Check the return value of a DoCommand*() function - * @param res the resulting value from the command to be checked - * @return Return true if the command failed, false otherwise - */ -static inline bool CmdFailed(CommandCost res) -{ - /* lower 16bits are the StringID of the possible error */ - return res <= (CMD_ERROR | INVALID_STRING_ID); -} - -static inline bool CmdSucceeded(CommandCost res) { return !CmdFailed(res); } +static inline bool CmdFailed(CommandCost cost) { return cost.Failed(); } +static inline bool CmdSucceeded(CommandCost cost) { return cost.Succeeded(); } + +static const CommandCost CMD_ERROR = CommandCost((StringID)INVALID_STRING_ID); + +#define return_cmd_error(errcode) do { return CommandCost((StringID)(errcode)); } while (0) /* command.cpp */ typedef void CommandCallback(bool success, TileIndex tile, uint32 p1, uint32 p2); diff --git a/src/economy.cpp b/src/economy.cpp index fd7d4babd..2152823ca 100644 --- a/src/economy.cpp +++ b/src/economy.cpp @@ -710,7 +710,7 @@ static void PlayersPayInterest() _current_player = p->index; SET_EXPENSES_TYPE(EXPENSES_LOAN_INT); - SubtractMoneyFromPlayer(BIGMULUS(p->current_loan, interest, 16)); + SubtractMoneyFromPlayer(CommandCost(BIGMULUS(p->current_loan, interest, 16))); SET_EXPENSES_TYPE(EXPENSES_OTHER); SubtractMoneyFromPlayer(_price.station_value >> 2); @@ -1823,12 +1823,12 @@ CommandCost CmdBuyShareInCompany(TileIndex tile, uint32 flags, uint32 p1, uint32 if (_cur_year - p->inaugurated_year < 6) return_cmd_error(STR_7080_PROTECTED); /* Those lines are here for network-protection (clients can be slow) */ - if (GetAmountOwnedBy(p, PLAYER_SPECTATOR) == 0) return 0; + if (GetAmountOwnedBy(p, PLAYER_SPECTATOR) == 0) return cost; /* We can not buy out a real player (temporarily). TODO: well, enable it obviously */ - if (GetAmountOwnedBy(p, PLAYER_SPECTATOR) == 1 && !p->is_ai) return 0; + if (GetAmountOwnedBy(p, PLAYER_SPECTATOR) == 1 && !p->is_ai) return cost; - cost = CalculateCompanyValue(p) >> 2; + cost.AddCost(CalculateCompanyValue(p) >> 2); if (flags & DC_EXEC) { PlayerByte* b = p->share_owners; int i; @@ -1866,7 +1866,7 @@ CommandCost CmdSellShareInCompany(TileIndex tile, uint32 flags, uint32 p1, uint3 p = GetPlayer((PlayerID)p1); /* Those lines are here for network-protection (clients can be slow) */ - if (GetAmountOwnedBy(p, _current_player) == 0) return 0; + if (GetAmountOwnedBy(p, _current_player) == 0) return CommandCost(); /* adjust it a little to make it less profitable to sell and buy */ cost = CalculateCompanyValue(p) >> 2; @@ -1878,7 +1878,7 @@ CommandCost CmdSellShareInCompany(TileIndex tile, uint32 flags, uint32 p1, uint3 *b = PLAYER_SPECTATOR; InvalidateWindow(WC_COMPANY, p1); } - return cost; + return CommandCost((int32)cost); } /** Buy up another company. @@ -1909,7 +1909,7 @@ CommandCost CmdBuyCompany(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (flags & DC_EXEC) { DoAcquireCompany(p); } - return p->bankrupt_value; + return CommandCost(p->bankrupt_value); } /** Prices */ diff --git a/src/engine.cpp b/src/engine.cpp index e0e3fd430..b8207c481 100644 --- a/src/engine.cpp +++ b/src/engine.cpp @@ -276,7 +276,7 @@ CommandCost CmdWantEnginePreview(TileIndex tile, uint32 flags, uint32 p1, uint32 if (flags & DC_EXEC) AcceptEnginePreview(p1, _current_player); - return 0; + return CommandCost(); } /* Determine if an engine type is a wagon (and not a loco) */ @@ -393,7 +393,7 @@ CommandCost CmdRenameEngine(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DeleteName(str); } - return 0; + return CommandCost(); } @@ -541,7 +541,7 @@ CommandCost AddEngineReplacement(EngineRenewList *erl, EngineID old_engine, Engi er = GetEngineReplacement(*erl, old_engine, group); if (er != NULL) { if (flags & DC_EXEC) er->to = new_engine; - return 0; + return CommandCost(); } er = AllocateEngineRenew(); @@ -557,7 +557,7 @@ CommandCost AddEngineReplacement(EngineRenewList *erl, EngineID old_engine, Engi *erl = (EngineRenewList)er; } - return 0; + return CommandCost(); } CommandCost RemoveEngineReplacement(EngineRenewList *erl, EngineID engine, GroupID group, uint32 flags) @@ -578,7 +578,7 @@ CommandCost RemoveEngineReplacement(EngineRenewList *erl, EngineID engine, Group } DeleteEngineRenew(er); } - return 0; + return CommandCost(); } prev = er; er = er->next; diff --git a/src/group_cmd.cpp b/src/group_cmd.cpp index 49ebfb35c..c5de860dd 100644 --- a/src/group_cmd.cpp +++ b/src/group_cmd.cpp @@ -110,7 +110,7 @@ CommandCost CmdCreateGroup(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) InvalidateWindowData(GetWCForVT(vt), (vt << 11) | VLW_GROUP_LIST | _current_player); } - return 0; + return CommandCost(); } @@ -156,7 +156,7 @@ CommandCost CmdDeleteGroup(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) InvalidateWindowData(GetWCForVT(vt), (vt << 11) | VLW_GROUP_LIST | _current_player); } - return 0; + return CommandCost(); } @@ -187,7 +187,7 @@ CommandCost CmdRenameGroup(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) InvalidateWindowData(GetWCForVT(g->vehicle_type), (g->vehicle_type << 11) | VLW_GROUP_LIST | _current_player); } - return 0; + return CommandCost(); } @@ -235,7 +235,7 @@ CommandCost CmdAddVehicleGroup(TileIndex tile, uint32 flags, uint32 p1, uint32 p InvalidateWindowData(GetWCForVT(v->type), (v->type << 11) | VLW_GROUP_LIST | _current_player); } - return 0; + return CommandCost(); } /** @@ -271,7 +271,7 @@ CommandCost CmdAddSharedVehicleGroup(TileIndex tile, uint32 flags, uint32 p1, ui InvalidateWindowData(GetWCForVT(type), (type << 11) | VLW_GROUP_LIST | _current_player); } - return 0; + return CommandCost(); } @@ -307,7 +307,7 @@ CommandCost CmdRemoveAllVehiclesGroup(TileIndex tile, uint32 flags, uint32 p1, u InvalidateWindowData(GetWCForVT(type), (type << 11) | VLW_GROUP_LIST | _current_player); } - return 0; + return CommandCost(); } @@ -332,7 +332,7 @@ CommandCost CmdSetGroupReplaceProtection(TileIndex tile, uint32 flags, uint32 p1 InvalidateWindowData(GetWCForVT(g->vehicle_type), (g->vehicle_type << 11) | VLW_GROUP_LIST | _current_player); } - return 0; + return CommandCost(); } /** diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp index 808270af5..4be1ef63b 100644 --- a/src/industry_cmd.cpp +++ b/src/industry_cmd.cpp @@ -354,7 +354,7 @@ static CommandCost ClearTile_Industry(TileIndex tile, byte flags) } if (flags & DC_EXEC) DeleteIndustry(i); - return 0; + return CommandCost(); } static void TransportIndustryGoods(TileIndex tile) @@ -1505,7 +1505,7 @@ CommandCost CmdBuildIndustry(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (CreateNewIndustryHelper(tile, p1, flags, indspec, it) == NULL) return CMD_ERROR; - return (_price.build_industry >> 8) * indspec->cost_multiplier; + return CommandCost((_price.build_industry >> 8) * indspec->cost_multiplier); } diff --git a/src/landscape.cpp b/src/landscape.cpp index 07b7ca4b6..e2bccc137 100644 --- a/src/landscape.cpp +++ b/src/landscape.cpp @@ -401,20 +401,19 @@ CommandCost CmdClearArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (ex < sx) Swap(ex, sx); if (ey < sy) Swap(ey, sy); - money = GetAvailableMoneyForCommand(); - cost = 0; + money.AddCost(GetAvailableMoneyForCommand()); for (x = sx; x <= ex; ++x) { for (y = sy; y <= ey; ++y) { ret = DoCommand(TileXY(x, y), 0, 0, flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) continue; - cost += ret; success = true; if (flags & DC_EXEC) { - if (ret > 0 && (money -= ret) < 0) { - _additional_cash_required = ret; - return cost - ret; + money.AddCost(-ret.GetCost()); + if (ret.GetCost() > 0 && money.GetCost() < 0) { + _additional_cash_required = ret.GetCost(); + return cost; } DoCommand(TileXY(x, y), 0, 0, flags, CMD_LANDSCAPE_CLEAR); @@ -426,6 +425,7 @@ CommandCost CmdClearArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) ); } } + cost.AddCost(ret); } } diff --git a/src/misc_cmd.cpp b/src/misc_cmd.cpp index 11635f1b8..5af1566d9 100644 --- a/src/misc_cmd.cpp +++ b/src/misc_cmd.cpp @@ -34,7 +34,7 @@ CommandCost CmdSetPlayerFace(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) GetPlayer(_current_player)->face = pf; MarkWholeScreenDirty(); } - return 0; + return CommandCost(); } /** Change the player's company-colour @@ -114,7 +114,7 @@ CommandCost CmdSetPlayerColor(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 } MarkWholeScreenDirty(); } - return 0; + return CommandCost(); } /** Increase the loan of your company. @@ -151,7 +151,7 @@ CommandCost CmdIncreaseLoan(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) InvalidatePlayerWindows(p); } - return 0; + return CommandCost(); } /** Decrease the loan of your company. @@ -190,7 +190,7 @@ CommandCost CmdDecreaseLoan(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) UpdatePlayerMoney32(p); InvalidatePlayerWindows(p); } - return 0; + return CommandCost(); } /** Change the name of the company. @@ -218,7 +218,7 @@ CommandCost CmdChangeCompanyName(TileIndex tile, uint32 flags, uint32 p1, uint32 DeleteName(str); } - return 0; + return CommandCost(); } /** Change the name of the president. @@ -254,7 +254,7 @@ CommandCost CmdChangePresidentName(TileIndex tile, uint32 flags, uint32 p1, uint DeleteName(str); } - return 0; + return CommandCost(); } /** Pause/Unpause the game (server-only). @@ -274,7 +274,7 @@ CommandCost CmdPause(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) InvalidateWindow(WC_STATUS_BAR, 0); InvalidateWindow(WC_MAIN_TOOLBAR, 0); } - return 0; + return CommandCost(); } /** Change the financial flow of your company. @@ -291,7 +291,7 @@ CommandCost CmdMoneyCheat(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (_networking) return CMD_ERROR; #endif SET_EXPENSES_TYPE(EXPENSES_OTHER); - return -(int32)p1; + return CommandCost(-(int32)p1); } /** Transfer funds (money) from one player to another. @@ -306,19 +306,19 @@ CommandCost CmdMoneyCheat(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) CommandCost CmdGiveMoney(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { const Player *p = GetPlayer(_current_player); - CommandCost amount = min((int32)p1, 20000000); + CommandCost amount(min((int32)p1, 20000000)); SET_EXPENSES_TYPE(EXPENSES_OTHER); /* You can only transfer funds that is in excess of your loan */ - if (p->money64 - p->current_loan < amount || amount <= 0) return CMD_ERROR; + if (p->money64 - p->current_loan < amount.GetCost() || amount.GetCost() <= 0) return CMD_ERROR; if (!_networking || !IsValidPlayer((PlayerID)p2)) return CMD_ERROR; if (flags & DC_EXEC) { /* Add money to player */ PlayerID old_cp = _current_player; _current_player = (PlayerID)p2; - SubtractMoneyFromPlayer(-amount); + SubtractMoneyFromPlayer(CommandCost(-amount.GetCost())); _current_player = old_cp; } @@ -354,5 +354,5 @@ CommandCost CmdChangeDifficultyLevel(TileIndex tile, uint32 flags, uint32 p1, ui if (_networking && !_network_server && FindWindowById(WC_GAME_OPTIONS, 0) != NULL) ShowGameDifficulty(); } - return 0; + return CommandCost(); } diff --git a/src/misc_gui.cpp b/src/misc_gui.cpp index 24a5f379f..ff3db74af 100644 --- a/src/misc_gui.cpp +++ b/src/misc_gui.cpp @@ -90,7 +90,7 @@ static void Place_LandInfo(TileIndex tile) Window *w; Town *t; int64 old_money; - int64 costclear; + CommandCost costclear; AcceptedCargo ac; TileDesc td; StringID str; @@ -123,7 +123,7 @@ static void Place_LandInfo(TileIndex tile) str = STR_01A4_COST_TO_CLEAR_N_A; if (CmdSucceeded(costclear)) { - SetDParam(0, costclear); + SetDParam(0, costclear.GetCost()); str = STR_01A5_COST_TO_CLEAR; } GetString(_landinfo_data[2], str, lastof(_landinfo_data[2])); diff --git a/src/openttd.h b/src/openttd.h index 6969f1c23..290ca968b 100644 --- a/src/openttd.h +++ b/src/openttd.h @@ -52,6 +52,8 @@ struct PalSpriteID { typedef uint16 EngineID; typedef uint16 UnitID; typedef uint16 StringID; +#define INVALID_STRING_ID 0xFFFF + typedef EngineID *EngineList; ///< engine list type placeholder acceptable for C code (see helpers.cpp) /* IDs used in Pools */ @@ -67,7 +69,6 @@ typedef uint16 SignID; typedef uint16 GroupID; typedef uint16 EngineRenewID; typedef uint16 DestinationID; -typedef int32 CommandCost; /* DestinationID must be at least as large as every these below, because it can * be any of them @@ -359,10 +360,84 @@ struct ViewportSign { byte width_1, width_2; }; +/** + * Common return value for all commands. Wraps the cost and + * a possible error message/state together. + */ +class CommandCost { + int32 cost; ///< The cost of this action + StringID message; ///< Warning message for when success is unset + bool success; ///< Whether the comment went fine up to this moment + +public: + /** + * Creates a command cost return with no cost and no error + */ + CommandCost() : cost(0), message(INVALID_STRING_ID), success(true) {} + + /** + * Creates a command return value the is failed with the given message + */ + CommandCost(StringID msg) : cost(0), message(msg), success(false) {} + + /** + * Creates a command return value with the given start cost + * @param cst the initial cost of this command + */ + CommandCost(int32 cst) : cost(cst), message(INVALID_STRING_ID), success(true) {} + /** "Hack" to make everything compile nicely, not needed when cost is int64 */ + CommandCost(uint cst) : cost(cst), message(INVALID_STRING_ID), success(true) {} + + /** + * Adds the cost of the given command return value to this cost. + * Also takes a possible error message when it is set. + * @param ret the command to add the cost of. + * @return this class. + */ + CommandCost AddCost(CommandCost ret); + + /** + * Adds the given cost to the cost of the command. + * @param cost the cost to add + * @return this class. + */ + CommandCost AddCost(int32 cost); + + /** + * Multiplies the cost of the command by the given factor. + * @param cost factor to multiply the costs with + * @return this class + */ + CommandCost MultiplyCost(int factor); + + /** + * The costs as made up to this moment + * @return the costs + */ + int32 GetCost() const; + + /** + * Sets the global error message *if* this class has one. + */ + void SetGlobalErrorMessage() const; + + /** + * Did this command succeed? + * @return true if and only if it succeeded + */ + bool Succeeded() const; + + /** + * Did this command fail? + * @return true if and only if it failed + */ + bool Failed() const; +}; + typedef void DrawTileProc(TileInfo *ti); typedef uint GetSlopeZProc(TileIndex tile, uint x, uint y); -typedef int32 ClearTileProc(TileIndex tile, byte flags); +typedef CommandCost ClearTileProc(TileIndex tile, byte flags); typedef void GetAcceptedCargoProc(TileIndex tile, AcceptedCargo res); typedef void GetTileDescProc(TileIndex tile, TileDesc *td); /** @@ -589,8 +664,6 @@ enum { VARDEF byte _savegame_sort_order; -#define INVALID_STRING_ID 0xFFFF - enum { MAX_SCREEN_WIDTH = 2048, MAX_SCREEN_HEIGHT = 1200, diff --git a/src/order_cmd.cpp b/src/order_cmd.cpp index 986987da8..f33bfb4d2 100644 --- a/src/order_cmd.cpp +++ b/src/order_cmd.cpp @@ -441,7 +441,7 @@ CommandCost CmdInsertOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) RebuildVehicleLists(); } - return 0; + return CommandCost(); } /** Declone an order-list @@ -455,7 +455,7 @@ static CommandCost DecloneOrder(Vehicle *dst, uint32 flags) InvalidateVehicleOrder(dst); RebuildVehicleLists(); } - return 0; + return CommandCost(); } /** @@ -554,7 +554,7 @@ CommandCost CmdDeleteOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) RebuildVehicleLists(); } - return 0; + return CommandCost(); } /** Goto order of order-list. @@ -595,7 +595,7 @@ CommandCost CmdSkipToOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (v->type == VEH_AIRCRAFT) InvalidateWindowClasses(WC_AIRCRAFT_LIST); if (v->type == VEH_SHIP) InvalidateWindowClasses(WC_SHIPS_LIST); - return 0; + return CommandCost(); } /** @@ -681,7 +681,7 @@ CommandCost CmdMoveOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) RebuildVehicleLists(); } - return 0; + return CommandCost(); } /** Modify an order in the orderlist of a vehicle. @@ -763,7 +763,7 @@ CommandCost CmdModifyOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } } - return 0; + return CommandCost(); } /** Clone/share/copy an order-list of an other vehicle. @@ -896,7 +896,7 @@ CommandCost CmdCloneOrder(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) default: return CMD_ERROR; } - return 0; + return CommandCost(); } /** Add/remove refit orders from an order @@ -945,7 +945,7 @@ CommandCost CmdOrderRefit(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } } - return 0; + return CommandCost(); } /** @@ -1058,7 +1058,7 @@ CommandCost CmdRestoreOrderIndex(TileIndex tile, uint32 flags, uint32 p1, uint32 v->service_interval = serv_int; } - return 0; + return CommandCost(); } diff --git a/src/players.cpp b/src/players.cpp index 293a3243b..f5b873195 100644 --- a/src/players.cpp +++ b/src/players.cpp @@ -175,10 +175,10 @@ void InvalidatePlayerWindows(const Player *p) bool CheckPlayerHasMoney(CommandCost cost) { - if (cost > 0) { + if (cost.GetCost() > 0) { PlayerID pid = _current_player; - if (IsValidPlayer(pid) && cost > GetPlayer(pid)->player_money) { - SetDParam(0, cost); + if (IsValidPlayer(pid) && cost.GetCost() > GetPlayer(pid)->player_money) { + SetDParam(0, cost.GetCost()); _error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES; return false; } @@ -188,23 +188,23 @@ bool CheckPlayerHasMoney(CommandCost cost) static void SubtractMoneyFromAnyPlayer(Player *p, CommandCost cost) { - p->money64 -= cost; + p->money64 -= cost.GetCost(); UpdatePlayerMoney32(p); - p->yearly_expenses[0][_yearly_expenses_type] += cost; + p->yearly_expenses[0][_yearly_expenses_type] += cost.GetCost(); if (HASBIT(1 << EXPENSES_TRAIN_INC | 1 << EXPENSES_ROADVEH_INC | 1 << EXPENSES_AIRCRAFT_INC | 1 << EXPENSES_SHIP_INC, _yearly_expenses_type)) { - p->cur_economy.income -= cost; + p->cur_economy.income -= cost.GetCost(); } else if (HASBIT(1 << EXPENSES_TRAIN_RUN | 1 << EXPENSES_ROADVEH_RUN | 1 << EXPENSES_AIRCRAFT_RUN | 1 << EXPENSES_SHIP_RUN | 1 << EXPENSES_PROPERTY | 1 << EXPENSES_LOAN_INT, _yearly_expenses_type)) { - p->cur_economy.expenses -= cost; + p->cur_economy.expenses -= cost.GetCost(); } InvalidatePlayerWindows(p); @@ -217,15 +217,16 @@ void SubtractMoneyFromPlayer(CommandCost cost) if (IsValidPlayer(pid)) SubtractMoneyFromAnyPlayer(GetPlayer(pid), cost); } -void SubtractMoneyFromPlayerFract(PlayerID player, CommandCost cost) +void SubtractMoneyFromPlayerFract(PlayerID player, CommandCost cst) { Player *p = GetPlayer(player); byte m = p->player_money_fraction; + int32 cost = cst.GetCost(); p->player_money_fraction = m - (byte)cost; cost >>= 8; if (p->player_money_fraction > m) cost++; - if (cost != 0) SubtractMoneyFromAnyPlayer(p, cost); + if (cost != 0) SubtractMoneyFromAnyPlayer(p, CommandCost(cost)); } /** the player_money field is kept as it is, but money64 contains the actual amount of money. */ @@ -782,7 +783,7 @@ CommandCost CmdSetAutoReplace(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 break; } - return 0; + return CommandCost(); } /** Control the players: add, delete, etc. @@ -827,9 +828,9 @@ CommandCost CmdPlayerCtrl(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (!_networking) return CMD_ERROR; /* Has the network client a correct ClientID? */ - if (!(flags & DC_EXEC)) return 0; + if (!(flags & DC_EXEC)) return CommandCost(); #ifdef ENABLE_NETWORK - if (cid >= MAX_CLIENT_INFO) return 0; + if (cid >= MAX_CLIENT_INFO) return CommandCost(); #endif /* ENABLE_NETWORK */ /* Delete multiplayer progress bar */ @@ -903,7 +904,7 @@ CommandCost CmdPlayerCtrl(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } break; case 1: /* Make a new AI player */ - if (!(flags & DC_EXEC)) return 0; + if (!(flags & DC_EXEC)) return CommandCost(); DoStartupNewPlayer(true); break; @@ -913,7 +914,7 @@ CommandCost CmdPlayerCtrl(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (!IsValidPlayer((PlayerID)p2)) return CMD_ERROR; - if (!(flags & DC_EXEC)) return 0; + if (!(flags & DC_EXEC)) return CommandCost(); p = GetPlayer((PlayerID)p2); @@ -951,7 +952,7 @@ CommandCost CmdPlayerCtrl(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) default: return CMD_ERROR; } - return 0; + return CommandCost(); } static const StringID _endgame_perf_titles[] = { diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp index c19287614..9c9dc791a 100644 --- a/src/rail_cmd.cpp +++ b/src/rail_cmd.cpp @@ -207,7 +207,7 @@ static CommandCost CheckRailSlope(Slope tileh, TrackBits rail_bits, TrackBits ex /* no special foundation */ if ((~_valid_tileh_slopes[0][tileh] & rail_bits) == 0) { - return 0; + return CommandCost(); } else if (!_patches.build_on_slopes || _is_old_ai_player) { return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); } @@ -216,7 +216,7 @@ static CommandCost CheckRailSlope(Slope tileh, TrackBits rail_bits, TrackBits ex (rail_bits == TRACK_BIT_X || rail_bits == TRACK_BIT_Y) && (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N) )) { // partly up - return (existing != 0) ? 0 : _price.terraform; + return CommandCost((existing != 0) ? 0 : _price.terraform); } } return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); @@ -237,7 +237,7 @@ CommandCost CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p RailType railtype; Track track; TrackBits trackbit; - CommandCost cost = 0; + CommandCost cost; CommandCost ret; if (!ValParamRailtype(p1) || !ValParamTrackOrientation((Track)p2)) return CMD_ERROR; @@ -263,14 +263,14 @@ CommandCost CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p ret = CheckRailSlope(tileh, trackbit, GetTrackBits(tile), tile); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); /* If the rail types don't match, try to convert only if engines of * the present rail type are powered on the new rail type. */ if (GetRailType(tile) != railtype && HasPowerOnRail(GetRailType(tile), railtype)) { ret = DoCommand(tile, tile, railtype, flags, CMD_CONVERT_RAIL); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); } if (flags & DC_EXEC) { @@ -330,11 +330,11 @@ CommandCost CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p default: ret = CheckRailSlope(tileh, trackbit, TRACK_BIT_NONE, tile); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); if (flags & DC_EXEC) MakeRailNormal(tile, _current_player, trackbit, railtype); break; @@ -346,7 +346,7 @@ CommandCost CmdBuildSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p YapfNotifyTrackLayoutChange(tile, track); } - return cost + _price.build_rail; + return cost.AddCost(_price.build_rail); } /** Remove a single piece of track @@ -359,7 +359,7 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 { Track track = (Track)p2; TrackBits trackbit; - CommandCost cost = _price.remove_rail; + CommandCost cost(_price.remove_rail); bool crossing = false; if (!ValParamTrackOrientation((Track)p2)) return CMD_ERROR; @@ -397,7 +397,7 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32 /* Charge extra to remove signals on the track, if they are there */ if (HasSignalOnTrack(tile, track)) - cost += DoCommand(tile, track, 0, flags, CMD_REMOVE_SIGNALS); + cost.AddCost(DoCommand(tile, track, 0, flags, CMD_REMOVE_SIGNALS)); if (flags & DC_EXEC) { present ^= trackbit; @@ -492,7 +492,7 @@ static CommandCost ValidateAutoDrag(Trackdir *trackdir, TileIndex start, TileInd return CMD_ERROR; } - return 0; + return CommandCost(); } /** Build a stretch of railroad tracks. @@ -506,7 +506,7 @@ static CommandCost ValidateAutoDrag(Trackdir *trackdir, TileIndex start, TileInd */ static CommandCost CmdRailTrackHelper(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { - CommandCost ret, total_cost = 0; + CommandCost ret, total_cost; Track track = (Track)GB(p2, 4, 3); Trackdir trackdir; byte mode = HASBIT(p2, 7); @@ -531,7 +531,7 @@ static CommandCost CmdRailTrackHelper(TileIndex tile, uint32 flags, uint32 p1, u if ((_error_message != STR_1007_ALREADY_BUILT) && (mode == 0)) break; _error_message = INVALID_STRING_ID; } else { - total_cost += ret; + total_cost.AddCost(ret); } if (tile == end_tile) break; @@ -542,7 +542,7 @@ static CommandCost CmdRailTrackHelper(TileIndex tile, uint32 flags, uint32 p1, u if (!IsDiagonalTrackdir(trackdir)) ToggleBitT(trackdir, 0); } - return (total_cost == 0) ? CMD_ERROR : total_cost; + return (total_cost.GetCost() == 0) ? CMD_ERROR : total_cost; } /** Build rail on a stretch of track. @@ -589,7 +589,7 @@ CommandCost CmdRemoveRailroadTrack(TileIndex tile, uint32 flags, uint32 p1, uint CommandCost CmdBuildTrainDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Depot *d; - CommandCost cost, ret; + CommandCost cost; Slope tileh; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); @@ -618,9 +618,8 @@ CommandCost CmdBuildTrainDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } - ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); - if (CmdFailed(ret)) return CMD_ERROR; - cost = ret; + cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); + if (CmdFailed(cost)) return CMD_ERROR; if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); @@ -638,7 +637,7 @@ CommandCost CmdBuildTrainDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p YapfNotifyTrackLayoutChange(tile, TrackdirToTrack(DiagdirToDiagTrackdir(dir))); } - return cost + _price.build_train_depot; + return cost.AddCost(_price.build_train_depot); } /** Build signals, alternate between double/single, signal/semaphore, @@ -687,14 +686,14 @@ CommandCost CmdBuildSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint32 if (!HasSignalOnTrack(tile, track)) { /* build new signals */ - cost = _price.build_signals; + cost = CommandCost(_price.build_signals); } else { if (p2 != 0 && sigvar != GetSignalVariant(tile, track)) { /* convert signals <-> semaphores */ - cost = _price.build_signals + _price.remove_signals; + cost = CommandCost(_price.build_signals + _price.remove_signals); } else { /* it is free to change orientation/pre-exit-combo signals */ - cost = 0; + cost = CommandCost(); } } @@ -800,7 +799,7 @@ static CommandCost CmdSignalTrackHelper(TileIndex tile, uint32 flags, uint32 p1, * signals - is there a signal/semaphore on the first tile, copy its style (two-way/single-way) * and convert all others to semaphore/signal * remove - 1 remove signals, 0 build signals */ - signal_ctr = total_cost = 0; + signal_ctr = 0; for (;;) { /* only build/remove signals with the specified density */ if (signal_ctr % signal_density == 0) { @@ -812,7 +811,7 @@ static CommandCost CmdSignalTrackHelper(TileIndex tile, uint32 flags, uint32 p1, /* Be user-friendly and try placing signals as much as possible */ if (CmdSucceeded(ret)) { error = false; - total_cost += ret; + total_cost.AddCost(ret); } } @@ -888,7 +887,7 @@ CommandCost CmdRemoveSingleSignal(TileIndex tile, uint32 flags, uint32 p1, uint3 MarkTileDirtyByTile(tile); } - return _price.remove_signals; + return CommandCost(_price.remove_signals); } /** Remove signals on a stretch of track. @@ -958,7 +957,7 @@ static CommandCost DoConvertRail(TileIndex tile, RailType totype, bool exec) } } - return _price.build_rail / 2; + return CommandCost(_price.build_rail / 2); } extern CommandCost DoConvertStationRail(TileIndex tile, RailType totype, bool exec); @@ -994,8 +993,6 @@ CommandCost CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (ey < sy) Swap(ey, sy); money = GetAvailableMoneyForCommand(); - cost = 0; - ret = 0; for (x = sx; x <= ex; ++x) { for (y = sy; y <= ey; ++y) { @@ -1012,20 +1009,20 @@ CommandCost CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) ret = proc(tile, (RailType)p2, false); if (CmdFailed(ret)) continue; - cost += ret; if (flags & DC_EXEC) { - money -= ret; + money -= ret.GetCost(); if (money < 0) { - _additional_cash_required = ret; - return cost - ret; + _additional_cash_required = ret.GetCost(); + return cost; } proc(tile, (RailType)p2, true); } + cost.AddCost(ret); } } - return (cost == 0) ? ret : cost; + return (cost.GetCost() == 0) ? ret : cost; } static CommandCost RemoveTrainDepot(TileIndex tile, uint32 flags) @@ -1044,7 +1041,7 @@ static CommandCost RemoveTrainDepot(TileIndex tile, uint32 flags) YapfNotifyTrackLayoutChange(tile, TrackdirToTrack(DiagdirToDiagTrackdir(dir))); } - return _price.remove_train_depot; + return CommandCost(_price.remove_train_depot); } static CommandCost ClearTile_Track(TileIndex tile, byte flags) @@ -1063,8 +1060,6 @@ static CommandCost ClearTile_Track(TileIndex tile, byte flags) } } - cost = 0; - switch (GetRailTileType(tile)) { case RAIL_TILE_SIGNALS: case RAIL_TILE_NORMAL: { @@ -1073,7 +1068,7 @@ static CommandCost ClearTile_Track(TileIndex tile, byte flags) Track track = RemoveFirstTrack(&tracks); ret = DoCommand(tile, 0, track, flags, CMD_REMOVE_SINGLE_RAIL); if (CmdFailed(ret)) return CMD_ERROR; - cost += ret; + cost.AddCost(ret); } return cost; } diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp index ade4794f9..59ffe28bb 100644 --- a/src/road_cmd.cpp +++ b/src/road_cmd.cpp @@ -170,7 +170,7 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (IsTileType(tile, MP_TUNNELBRIDGE)) { TileIndex other_end = IsTunnel(tile) ? GetOtherTunnelEnd(tile) : GetOtherBridgeEnd(tile); /* Pay for *every* tile of the bridge or tunnel */ - cost = (DistanceManhattan(IsTunnel(tile) ? GetOtherTunnelEnd(tile) : GetOtherBridgeEnd(tile), tile) + 1) * _price.remove_road; + cost.AddCost((DistanceManhattan(IsTunnel(tile) ? GetOtherTunnelEnd(tile) : GetOtherBridgeEnd(tile), tile) + 1) * _price.remove_road); if (flags & DC_EXEC) { SetRoadTypes(other_end, GetRoadTypes(other_end) & ~RoadTypeToRoadTypes(rt)); SetRoadTypes(tile, GetRoadTypes(tile) & ~RoadTypeToRoadTypes(rt)); @@ -185,13 +185,13 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } } } else { - cost = _price.remove_road; + cost.AddCost(_price.remove_road); if (flags & DC_EXEC) { SetRoadTypes(tile, GetRoadTypes(tile) & ~RoadTypeToRoadTypes(rt)); MarkTileDirtyByTile(tile); } } - return cost; + return CommandCost(cost); } switch (GetRoadTileType(tile)) { @@ -232,7 +232,7 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) MarkTileDirtyByTile(tile); } } - return CountRoadBits(c) * _price.remove_road; + return CommandCost(CountRoadBits(c) * _price.remove_road); } case ROAD_TILE_CROSSING: { @@ -258,7 +258,7 @@ CommandCost CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) MarkTileDirtyByTile(tile); YapfNotifyTrackLayoutChange(tile, FindFirstTrack(GetTrackBits(tile))); } - return _price.remove_road * 2; + return CommandCost(_price.remove_road * 2); } default: @@ -320,12 +320,12 @@ static CommandCost CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existi if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == 0) { /* force that all bits are set when we have slopes */ if (tileh != SLOPE_FLAT) *pieces |= _valid_tileh_slopes_road[0][tileh]; - return 0; // no extra cost + return CommandCost(); // no extra cost } /* foundation is used. Whole tile is leveled up */ if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == 0) { - return existing != 0 ? 0 : _price.terraform; + return CommandCost(existing != 0 ? 0 : _price.terraform); } /* partly leveled up tile, only if there's no road on that tile */ @@ -348,7 +348,7 @@ static CommandCost CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existi */ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { - CommandCost cost = 0; + CommandCost cost; CommandCost ret; RoadBits existing = ROAD_NONE; RoadBits all_bits = ROAD_NONE; @@ -396,7 +396,7 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) SetDisallowedRoadDirections(tile, GetDisallowedRoadDirections(tile) ^ toggle_drd); MarkTileDirtyByTile(tile); } - return 0; + return CommandCost(); } return_cmd_error(STR_1007_ALREADY_BUILT); } @@ -451,7 +451,7 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) MakeRoadCrossing(tile, _current_player, _current_player, _current_player, GetTileOwner(tile), roaddir, GetRailType(tile), RoadTypeToRoadTypes(rt) | ROADTYPES_ROAD, p2); MarkTileDirtyByTile(tile); } - return _price.build_road * (rt == ROADTYPE_ROAD ? 2 : 4); + return CommandCost(_price.build_road * (rt == ROADTYPE_ROAD ? 2 : 4)); } case MP_STATION: @@ -473,7 +473,7 @@ CommandCost CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) do_clear:; ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); } if (all_bits != pieces) { @@ -481,10 +481,10 @@ do_clear:; ret = CheckRoadSlope(tileh, &pieces, all_bits | existing); /* Return an error if we need to build a foundation (ret != 0) but the * current patch-setting is turned off (or stupid AI@work) */ - if (CmdFailed(ret) || (ret != 0 && (!_patches.build_on_slopes || _is_old_ai_player))) { + if (CmdFailed(ret) || (ret.GetCost() != 0 && (!_patches.build_on_slopes || _is_old_ai_player))) { return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); } - cost += ret; + cost.AddCost(ret); } if (IsTileType(tile, MP_STREET)) { @@ -492,10 +492,10 @@ do_clear:; pieces &= ComplementRoadBits(existing); } - cost += CountRoadBits(pieces) * _price.build_road; + cost.AddCost(CountRoadBits(pieces) * _price.build_road); if (IsTileType(tile, MP_TUNNELBRIDGE)) { /* Pay for *every* tile of the bridge or tunnel */ - cost *= DistanceManhattan(IsTunnel(tile) ? GetOtherTunnelEnd(tile) : GetOtherBridgeEnd(tile), tile); + cost.MultiplyCost(DistanceManhattan(IsTunnel(tile) ? GetOtherTunnelEnd(tile) : GetOtherBridgeEnd(tile), tile)); } if (flags & DC_EXEC) { @@ -572,7 +572,7 @@ CommandCost DoConvertStreetRail(TileIndex tile, RailType totype, bool exec) YapfNotifyTrackLayoutChange(tile, FindFirstTrack(GetCrossingRailBits(tile))); } - return _price.build_rail / 2; + return CommandCost(_price.build_rail / 2); } @@ -623,7 +623,6 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 /* No disallowed direction bits have to be toggled */ if (!HASBIT(p2, 5)) drd = DRD_NONE; - cost = 0; tile = start_tile; /* Start tile is the small number. */ for (;;) { @@ -641,11 +640,11 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 /* Only pay for the upgrade on one side of the bridge */ if (IsBridgeTile(tile)) { if ((!had_bridge || GetBridgeRampDirection(tile) == DIAGDIR_SE || GetBridgeRampDirection(tile) == DIAGDIR_SW)) { - cost += ret; + cost.AddCost(ret); } had_bridge = true; } else { - cost += ret; + cost.AddCost(ret); } } @@ -692,7 +691,6 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3 p2 ^= IS_INT_INSIDE(p2 & 3, 1, 3) ? 3 : 0; } - cost = 0; tile = start_tile; /* Start tile is the small number. */ for (;;) { @@ -704,7 +702,7 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3 /* try to remove the halves. */ if (bits != 0) { ret = DoCommand(tile, rt << 4 | bits, 0, flags, CMD_REMOVE_ROAD); - if (CmdSucceeded(ret)) cost += ret; + if (CmdSucceeded(ret)) cost.AddCost(ret); } if (tile == end_tile) break; @@ -712,7 +710,7 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3 tile += HASBIT(p2, 2) ? TileDiffXY(0, 1) : TileDiffXY(1, 0); } - return (cost == 0) ? CMD_ERROR : cost; + return (cost.GetCost() == 0) ? CMD_ERROR : cost; } /** Build a road depot. @@ -762,7 +760,7 @@ CommandCost CmdBuildRoadDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 MakeRoadDepot(tile, _current_player, dir, rt); MarkTileDirtyByTile(tile); } - return cost + _price.build_road_depot; + return cost.AddCost(_price.build_road_depot); } static CommandCost RemoveRoadDepot(TileIndex tile, uint32 flags) @@ -774,7 +772,7 @@ static CommandCost RemoveRoadDepot(TileIndex tile, uint32 flags) if (flags & DC_EXEC) DeleteDepot(GetDepotByTile(tile)); - return _price.remove_road_depot; + return CommandCost(_price.remove_road_depot); } static CommandCost ClearTile_Road(TileIndex tile, byte flags) @@ -791,12 +789,12 @@ static CommandCost ClearTile_Road(TileIndex tile, byte flags) !(flags & DC_AUTO) ) { RoadTypes rts = GetRoadTypes(tile); - CommandCost ret = 0; + CommandCost ret; for (RoadType rt = ROADTYPE_ROAD; rt < ROADTYPE_END; rt++) { if (HASBIT(rts, rt)) { CommandCost tmp_ret = DoCommand(tile, rt << 4 | GetRoadBits(tile, rt), 0, flags, CMD_REMOVE_ROAD); if (CmdFailed(tmp_ret)) return tmp_ret; - ret += tmp_ret; + ret.AddCost(tmp_ret); } } return ret; @@ -807,7 +805,7 @@ static CommandCost ClearTile_Road(TileIndex tile, byte flags) case ROAD_TILE_CROSSING: { RoadTypes rts = GetRoadTypes(tile); - CommandCost ret = 0; + CommandCost ret; if (flags & DC_AUTO) return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST); @@ -817,7 +815,7 @@ static CommandCost ClearTile_Road(TileIndex tile, byte flags) if (HASBIT(rts, rt)) { CommandCost tmp_ret = DoCommand(tile, 1 << 6 | rt << 4 | GetCrossingRoadBits(tile), 0, flags, CMD_REMOVE_ROAD); if (CmdFailed(tmp_ret)) return tmp_ret; - ret += tmp_ret; + ret.AddCost(tmp_ret); } } diff --git a/src/roadveh_cmd.cpp b/src/roadveh_cmd.cpp index e3aacdc38..c5426eaeb 100644 --- a/src/roadveh_cmd.cpp +++ b/src/roadveh_cmd.cpp @@ -118,7 +118,7 @@ void DrawRoadVehEngine(int x, int y, EngineID engine, SpriteID pal) static CommandCost EstimateRoadVehCost(EngineID engine_type) { - return ((_price.roadveh_base >> 3) * GetEngineProperty(engine_type, 0x11, RoadVehInfo(engine_type)->base_cost)) >> 5; + return CommandCost(((_price.roadveh_base >> 3) * GetEngineProperty(engine_type, 0x11, RoadVehInfo(engine_type)->base_cost)) >> 5); } byte GetRoadVehLength(const Vehicle *v) @@ -219,7 +219,7 @@ CommandCost CmdBuildRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) v->cargo_subtype = 0; v->cargo_cap = rvi->capacity; // v->cargo_count = 0; - v->value = cost; + v->value = cost.GetCost(); // v->day_counter = 0; // v->next_order_param = v->next_order = 0; // v->load_unload_time_rem = 0; @@ -273,7 +273,7 @@ CommandCost CmdBuildRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) GetPlayer(_current_player)->num_engines[p1]++; } - return cost; + return CommandCost(cost); } /** Start/Stop a road vehicle. @@ -312,7 +312,7 @@ CommandCost CmdStartStopRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 InvalidateWindow(WC_VEHICLE_DEPOT, v->tile); } - return 0; + return CommandCost(); } void ClearSlot(Vehicle *v) @@ -373,7 +373,7 @@ CommandCost CmdSellRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DeleteVehicle(v); } - return -(int32)v->value; + return CommandCost(-(int32)v->value); } struct RoadFindDepotData { @@ -478,7 +478,7 @@ CommandCost CmdSendRoadVehToDepot(TileIndex tile, uint32 flags, uint32 p1, uint3 TOGGLEBIT(v->current_order.flags, OFB_HALT_IN_DEPOT); InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } if (p2 & DEPOT_DONT_CANCEL) return CMD_ERROR; // Requested no cancelation of depot orders @@ -492,7 +492,7 @@ CommandCost CmdSendRoadVehToDepot(TileIndex tile, uint32 flags, uint32 p1, uint3 v->current_order.flags = 0; InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } dep = FindClosestRoadDepot(v); @@ -511,7 +511,7 @@ CommandCost CmdSendRoadVehToDepot(TileIndex tile, uint32 flags, uint32 p1, uint3 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } /** Turn a roadvehicle around. @@ -548,7 +548,7 @@ CommandCost CmdTurnRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (flags & DC_EXEC) v->u.road.reverse_ctr = 180; - return 0; + return CommandCost(); } @@ -1968,10 +1968,10 @@ void OnNewDay_RoadVeh(Vehicle *v) cost = RoadVehInfo(v->engine_type)->running_cost * _price.roadveh_running / 364; - v->profit_this_year -= cost >> 8; + v->profit_this_year -= cost.GetCost() >> 8; SET_EXPENSES_TYPE(EXPENSES_ROADVEH_RUN); - SubtractMoneyFromPlayerFract(v->owner, cost); + SubtractMoneyFromPlayerFract(v->owner, CommandCost(cost)); InvalidateWindow(WC_VEHICLE_DETAILS, v->index); InvalidateWindowClasses(WC_ROADVEH_LIST); @@ -2060,7 +2060,6 @@ CommandCost CmdRefitRoadVeh(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } _returned_refit_capacity = capacity; - cost = 0; if (IsHumanPlayer(v->owner) && new_cid != v->cargo_type) { cost = GetRefitCost(v->engine_type); } diff --git a/src/settings.cpp b/src/settings.cpp index e258b55cc..e07cd1f8b 100644 --- a/src/settings.cpp +++ b/src/settings.cpp @@ -1782,7 +1782,7 @@ CommandCost CmdChangePatchSetting(TileIndex tile, uint32 flags, uint32 p1, uint3 InvalidateWindow(WC_GAME_OPTIONS, 0); } - return 0; + return CommandCost(); } /** Top function to save the new value of an element of the Patches struct diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp index 07a155d8c..617ecce07 100644 --- a/src/settings_gui.cpp +++ b/src/settings_gui.cpp @@ -261,7 +261,7 @@ CommandCost CmdSetRoadDriveSide(TileIndex tile, uint32 flags, uint32 p1, uint32 _opt_ptr->road_side = p1; InvalidateWindow(WC_GAME_OPTIONS,0); } - return 0; + return CommandCost(); } static const Widget _game_options_widgets[] = { diff --git a/src/ship_cmd.cpp b/src/ship_cmd.cpp index 9a3927887..27840c9e3 100644 --- a/src/ship_cmd.cpp +++ b/src/ship_cmd.cpp @@ -188,11 +188,11 @@ void OnNewDay_Ship(Vehicle *v) if (v->vehstatus & VS_STOPPED) return; - cost = GetVehicleProperty(v, 0x0F, ShipVehInfo(v->engine_type)->running_cost) * _price.ship_running / 364; - v->profit_this_year -= cost >> 8; + cost.AddCost(GetVehicleProperty(v, 0x0F, ShipVehInfo(v->engine_type)->running_cost) * _price.ship_running / 364); + v->profit_this_year -= cost.GetCost() >> 8; SET_EXPENSES_TYPE(EXPENSES_SHIP_RUN); - SubtractMoneyFromPlayerFract(v->owner, cost); + SubtractMoneyFromPlayerFract(v->owner, CommandCost(cost)); InvalidateWindow(WC_VEHICLE_DETAILS, v->index); /* we need this for the profit */ @@ -405,7 +405,7 @@ static bool ShipAccelerate(Vehicle *v) static CommandCost EstimateShipCost(EngineID engine_type) { - return GetEngineProperty(engine_type, 0x0A, ShipVehInfo(engine_type)->base_cost) * (_price.ship_base >> 3) >> 5; + return CommandCost(GetEngineProperty(engine_type, 0x0A, ShipVehInfo(engine_type)->base_cost) * (_price.ship_base >> 3) >> 5); } static void ShipArrivesAt(const Vehicle* v, Station* st) @@ -857,7 +857,7 @@ CommandCost CmdBuildShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) v->cargo_type = svi->cargo_type; v->cargo_subtype = 0; v->cargo_cap = svi->capacity; - v->value = value; + v->value = value.GetCost(); v->last_station_visited = INVALID_STATION; v->max_speed = svi->max_speed; @@ -929,7 +929,7 @@ CommandCost CmdSellShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DeleteVehicle(v); } - return -(int32)v->value; + return CommandCost(-(int32)v->value); } /** Start/Stop a ship. @@ -968,7 +968,7 @@ CommandCost CmdStartStopShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) InvalidateWindowClasses(WC_SHIPS_LIST); } - return 0; + return CommandCost(); } /** Send a ship to the depot. @@ -1010,7 +1010,7 @@ CommandCost CmdSendShipToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p TOGGLEBIT(v->current_order.flags, OFB_HALT_IN_DEPOT); InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } if (p2 & DEPOT_DONT_CANCEL) return CMD_ERROR; // Requested no cancelation of depot orders @@ -1024,7 +1024,7 @@ CommandCost CmdSendShipToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p v->current_order.flags = 0; InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } dep = FindClosestShipDepot(v); @@ -1042,7 +1042,7 @@ CommandCost CmdSendShipToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } @@ -1100,7 +1100,6 @@ CommandCost CmdRefitShip(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } _returned_refit_capacity = capacity; - cost = 0; if (IsHumanPlayer(v->owner) && new_cid != v->cargo_type) { cost = GetRefitCost(v->engine_type); } diff --git a/src/signs.cpp b/src/signs.cpp index 5ac30dae9..605469f42 100644 --- a/src/signs.cpp +++ b/src/signs.cpp @@ -147,7 +147,7 @@ CommandCost CmdPlaceSign(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) _new_sign = si; } - return 0; + return CommandCost(); } /** Rename a sign. If the new name of the sign is empty, we assume @@ -201,7 +201,7 @@ CommandCost CmdRenameSign(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } } - return 0; + return CommandCost(); } /** diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp index bcb4b0886..529fc17bc 100644 --- a/src/station_cmd.cpp +++ b/src/station_cmd.cpp @@ -618,7 +618,7 @@ static CommandCost ClearTile_Station(TileIndex tile, byte flags); // Or an error code if it failed. CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint invalid_dirs, StationID* station, bool check_clear = true) { - CommandCost cost = 0; + CommandCost cost; int allowed_z = -1; BEGIN_TILE_LOOP(tile_cur, w, h, tile) { @@ -653,7 +653,7 @@ CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint (invalid_dirs & 8 && !(tileh & SLOPE_NW) && (uint)h_cur == h)) { return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } - cost += _price.terraform; + cost.AddCost(_price.terraform); flat_z += TILE_HEIGHT; } @@ -682,7 +682,7 @@ CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, uint flags, uint } else if (check_clear) { CommandCost ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); } } END_TILE_LOOP(tile_cur, w, h, tile) @@ -838,7 +838,7 @@ CommandCost CmdBuildRailroadStation(TileIndex tile_org, uint32 flags, uint32 p1, // for detail info, see: https://sourceforge.net/tracker/index.php?func=detail&aid=1029064&group_id=103924&atid=636365 ret = CheckFlatLandBelow(tile_org, w_org, h_org, flags & ~DC_EXEC, 5 << axis, _patches.nonuniform_stations ? &est : NULL); if (CmdFailed(ret)) return ret; - CommandCost cost = ret + (numtracks * _price.train_station_track + _price.train_station_length) * plat_len; + CommandCost cost(ret.GetCost() + (numtracks * _price.train_station_track + _price.train_station_length) * plat_len); Station *st = NULL; bool check_surrounding = true; @@ -1121,7 +1121,7 @@ CommandCost CmdRemoveFromRailroadStation(TileIndex tile, uint32 flags, uint32 p1 /* If we've not removed any tiles, give an error */ if (quantity == 0) return CMD_ERROR; - return _price.remove_rail_station * quantity; + return CommandCost(_price.remove_rail_station * quantity); } @@ -1142,7 +1142,7 @@ static CommandCost RemoveRailroadStation(Station *st, TileIndex tile, uint32 fla assert(w != 0 && h != 0); - CommandCost cost = 0; + CommandCost cost; /* clear all areas of the station */ do { int w_bak = w; @@ -1151,7 +1151,7 @@ static CommandCost RemoveRailroadStation(Station *st, TileIndex tile, uint32 fla if (st->TileBelongsToRailStation(tile)) { if (!EnsureNoVehicle(tile)) return CMD_ERROR; - cost += _price.remove_rail_station; + cost.AddCost(_price.remove_rail_station); if (flags & DC_EXEC) { Track track = GetRailStationTrack(tile); DoClearSquare(tile); @@ -1211,7 +1211,7 @@ CommandCost DoConvertStationRail(TileIndex tile, RailType totype, bool exec) YapfNotifyTrackLayoutChange(tile, GetRailStationTrack(tile)); } - return _price.build_rail / 2; + return CommandCost(_price.build_rail / 2); } /** @@ -1267,7 +1267,7 @@ CommandCost CmdBuildRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (!(flags & DC_NO_TOWN_RATING) && !CheckIfAuthorityAllows(tile)) return CMD_ERROR; - CommandCost cost = 0; + CommandCost cost; /* Not allowed to build over this road */ if (build_over_road) { @@ -1340,7 +1340,7 @@ CommandCost CmdBuildRoadStop(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) st->sign.width_1 = 0; } - cost += (type) ? _price.build_truck_station : _price.build_bus_station; + cost.AddCost((type) ? _price.build_truck_station : _price.build_bus_station); if (flags & DC_EXEC) { // Insert into linked list of RoadStops @@ -1416,7 +1416,7 @@ static CommandCost RemoveRoadStop(Station *st, uint32 flags, TileIndex tile) DeleteStationIfEmpty(st); } - return (is_truck) ? _price.remove_truck_station : _price.remove_bus_station; + return CommandCost((is_truck) ? _price.remove_truck_station : _price.remove_bus_station); } /** Remove a bus or truck stop @@ -1584,7 +1584,7 @@ CommandCost CmdBuildAirport(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) CommandCost ret = CheckFlatLandBelow(tile, w, h, flags, 0, NULL); if (CmdFailed(ret)) return ret; - CommandCost cost = ret; + CommandCost cost(ret.GetCost()); Station *st = NULL; @@ -1638,7 +1638,7 @@ CommandCost CmdBuildAirport(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } } - cost += _price.build_airport * w * h; + cost.AddCost(_price.build_airport * w * h); if (flags & DC_EXEC) { st->airport_tile = tile; @@ -1687,7 +1687,7 @@ static CommandCost RemoveAirport(Station *st, uint32 flags) int w = afc->size_x; int h = afc->size_y; - CommandCost cost = w * h * _price.remove_airport; + CommandCost cost(w * h * _price.remove_airport); Vehicle *v; FOR_ALL_VEHICLES(v) { @@ -1769,7 +1769,7 @@ CommandCost CmdBuildBuoy(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) st_auto_delete.Release(); } - return _price.build_dock; + return CommandCost(_price.build_dock); } /* Checks if any ship is servicing the buoy specified. Returns yes or no */ @@ -1821,7 +1821,7 @@ static CommandCost RemoveBuoy(Station *st, uint32 flags) DeleteStationIfEmpty(st); } - return _price.remove_truck_station; + return CommandCost(_price.remove_truck_station); } static const TileIndexDiffC _dock_tileoffs_chkaround[] = { @@ -1935,7 +1935,7 @@ CommandCost CmdBuildDock(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) /* success, so don't delete the new station */ st_auto_delete.Release(); } - return _price.build_dock; + return CommandCost(_price.build_dock); } static CommandCost RemoveDock(Station *st, uint32 flags) @@ -1964,7 +1964,7 @@ static CommandCost RemoveDock(Station *st, uint32 flags) DeleteStationIfEmpty(st); } - return _price.remove_dock; + return CommandCost(_price.remove_dock); } #include "table/station_land.h" @@ -2516,7 +2516,7 @@ CommandCost CmdRenameStation(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DeleteName(str); } - return 0; + return CommandCost(); } diff --git a/src/town_cmd.cpp b/src/town_cmd.cpp index ddb298977..072c639b4 100644 --- a/src/town_cmd.cpp +++ b/src/town_cmd.cpp @@ -488,7 +488,7 @@ static CommandCost ClearTile_Town(TileIndex tile, byte flags) if (flags&DC_AUTO && !(flags&DC_AI_BUILDING)) return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED); if (!CanDeleteHouse(tile)) return CMD_ERROR; - cost = _price.remove_house * hs->removal_cost >> 8; + cost.AddCost(_price.remove_house * hs->removal_cost >> 8); rating = hs->remove_rating_decrease; _cleared_town_rating += rating; @@ -735,7 +735,7 @@ static bool TerraformTownTile(TileIndex tile, int edges, int dir) TILE_ASSERT(tile); r = DoCommand(tile, edges, dir, DC_AUTO | DC_NO_WATER, CMD_TERRAFORM_LAND); - if (CmdFailed(r) || r >= 126 * 16) return false; + if (CmdFailed(r) || r.GetCost() >= 126 * 16) return false; DoCommand(tile, edges, dir, DC_AUTO | DC_NO_WATER | DC_EXEC, CMD_TERRAFORM_LAND); return true; } @@ -1502,7 +1502,7 @@ CommandCost CmdBuildTown(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DoCreateTown(t, tile, townnameparts, (TownSizeMode)p2, p1); _generating_world = false; } - return 0; + return CommandCost(); } Town *CreateRandomTown(uint attempts, TownSizeMode mode, uint size) @@ -1869,7 +1869,7 @@ CommandCost CmdRenameTown(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } else { DeleteName(str); } - return 0; + return CommandCost(); } /** Called from GUI */ @@ -2063,7 +2063,7 @@ CommandCost CmdDoTownAction(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) SET_EXPENSES_TYPE(EXPENSES_OTHER); - cost = (_price.build_industry >> 8) * _town_action_costs[p2]; + cost.AddCost((_price.build_industry >> 8) * _town_action_costs[p2]); if (flags & DC_EXEC) { _town_action_proc[p2](t); diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp index 7d1356270..98e6adf35 100644 --- a/src/train_cmd.cpp +++ b/src/train_cmd.cpp @@ -507,7 +507,7 @@ static CommandCost CmdBuildRailWagon(EngineID engine, TileIndex tile, uint32 fla SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES); const RailVehicleInfo *rvi = RailVehInfo(engine); - CommandCost value = (GetEngineProperty(engine, 0x17, rvi->base_cost) * _price.build_railwagon) >> 8; + CommandCost value((GetEngineProperty(engine, 0x17, rvi->base_cost) * _price.build_railwagon) >> 8); uint num_vehicles = 1 + CountArticulatedParts(engine); @@ -565,7 +565,7 @@ static CommandCost CmdBuildRailWagon(EngineID engine, TileIndex tile, uint32 fla v->cargo_type = rvi->cargo_type; v->cargo_subtype = 0; v->cargo_cap = rvi->capacity; - v->value = value; + v->value = value.GetCost(); // v->day_counter = 0; v->u.rail.railtype = rvi->railtype; @@ -592,7 +592,7 @@ static CommandCost CmdBuildRailWagon(EngineID engine, TileIndex tile, uint32 fla } } - return value; + return CommandCost(value); } /** Move all free vehicles in the depot to the train */ @@ -613,7 +613,7 @@ static void NormalizeTrainVehInDepot(const Vehicle* u) static CommandCost EstimateTrainCost(EngineID engine, const RailVehicleInfo* rvi) { - return GetEngineProperty(engine, 0x17, rvi->base_cost) * (_price.build_railvehicle >> 3) >> 5; + return CommandCost(GetEngineProperty(engine, 0x17, rvi->base_cost) * (_price.build_railvehicle >> 3) >> 5); } static void AddRearEngineToMultiheadedTrain(Vehicle* v, Vehicle* u, bool building) @@ -712,7 +712,7 @@ CommandCost CmdBuildRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 v->cargo_subtype = 0; v->cargo_cap = rvi->capacity; v->max_speed = rvi->max_speed; - v->value = value; + v->value = value.GetCost(); v->last_station_visited = INVALID_STATION; v->dest_tile = 0; @@ -937,7 +937,7 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p } /* don't move the same vehicle.. */ - if (src == dst) return 0; + if (src == dst) return CommandCost(); /* locate the head of the two chains */ Vehicle *src_head = GetFirstVehicleInChain(src); @@ -954,7 +954,7 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p if (IsMultiheaded(src) && !IsTrainEngine(src)) return_cmd_error(STR_REAR_ENGINE_FOLLOW_FRONT_ERROR); /* when moving all wagons, we can't have the same src_head and dst_head */ - if (HASBIT(p2, 0) && src_head == dst_head) return 0; + if (HASBIT(p2, 0) && src_head == dst_head) return CommandCost(); { int max_len = _patches.mammoth_trains ? 100 : 9; @@ -1153,7 +1153,7 @@ CommandCost CmdMoveRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p RebuildVehicleLists(); } - return 0; + return CommandCost(); } /** Start/Stop a train. @@ -1189,7 +1189,7 @@ CommandCost CmdStartStopTrain(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); InvalidateWindow(WC_VEHICLE_DEPOT, v->tile); } - return 0; + return CommandCost(); } /** Sell a (single) train wagon/engine. @@ -1235,7 +1235,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) RebuildVehicleLists(); } - CommandCost cost = 0; + CommandCost cost; switch (p2) { case 0: case 2: { /* Delete given wagon */ bool switch_engine = false; // update second wagon to engine? @@ -1247,7 +1247,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) IsTrainEngine(v)) ? v->u.rail.other_multiheaded_part : NULL; if (rear != NULL) { - cost -= rear->value; + cost.AddCost(-(int64)rear->value); if (flags & DC_EXEC) { UnlinkWagon(rear, first); DeleteDepotHighlightOfVehicle(rear); @@ -1302,7 +1302,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } /* 3. Delete the requested wagon */ - cost -= v->value; + cost.AddCost(-v->value); if (flags & DC_EXEC) { first = UnlinkWagon(v, first); DeleteDepotHighlightOfVehicle(v); @@ -1352,7 +1352,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) Vehicle *rear = v->u.rail.other_multiheaded_part; if (rear != NULL) { - cost -= rear->value; + cost.AddCost(-rear->value); /* If this is a multiheaded vehicle with nothing * between the parts, tmp will be pointing to the @@ -1374,7 +1374,7 @@ CommandCost CmdSellRailWagon(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } } - cost -= v->value; + cost.AddCost(-v->value); if (flags & DC_EXEC) { first = UnlinkWagon(v, first); DeleteDepotHighlightOfVehicle(v); @@ -1656,7 +1656,7 @@ CommandCost CmdReverseTrainDirection(TileIndex tile, uint32 flags, uint32 p1, ui } } } - return 0; + return CommandCost(); } /** Force a train through a red signal @@ -1675,7 +1675,7 @@ CommandCost CmdForceTrainProceed(TileIndex tile, uint32 flags, uint32 p1, uint32 if (flags & DC_EXEC) v->u.rail.force_proceed = 0x50; - return 0; + return CommandCost(); } /** Refits a train to the specified cargo type. @@ -1706,7 +1706,7 @@ CommandCost CmdRefitRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 SET_EXPENSES_TYPE(EXPENSES_TRAIN_RUN); - CommandCost cost = 0; + CommandCost cost; uint num = 0; do { @@ -1755,7 +1755,7 @@ CommandCost CmdRefitRailVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 if (amount != 0) { if (new_cid != v->cargo_type) { - cost += GetRefitCost(v->engine_type); + cost.AddCost(GetRefitCost(v->engine_type)); } num += amount; @@ -1897,7 +1897,7 @@ CommandCost CmdSendTrainToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 TOGGLEBIT(v->current_order.flags, OFB_HALT_IN_DEPOT); InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } if (p2 & DEPOT_DONT_CANCEL) return CMD_ERROR; // Requested no cancelation of depot orders @@ -1910,7 +1910,7 @@ CommandCost CmdSendTrainToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 v->current_order.flags = 0; InvalidateWindowWidget(WC_VEHICLE_VIEW, v->index, STATUS_BAR); } - return 0; + return CommandCost(); } /* check if at a standstill (not stopped only) in a depot @@ -1934,7 +1934,7 @@ CommandCost CmdSendTrainToDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 if (tfdd.reverse) DoCommand(v->tile, v->index, 0, DC_EXEC, CMD_REVERSE_TRAIN_DIRECTION); } - return 0; + return CommandCost(); } @@ -3389,9 +3389,9 @@ void OnNewDay_Train(Vehicle *v) if ((v->vehstatus & VS_STOPPED) == 0) { /* running costs */ - CommandCost cost = GetTrainRunningCost(v) / 364; + CommandCost cost(GetTrainRunningCost(v) / 364); - v->profit_this_year -= cost >> 8; + v->profit_this_year -= cost.GetCost() >> 8; SET_EXPENSES_TYPE(EXPENSES_TRAIN_RUN); SubtractMoneyFromPlayerFract(v->owner, cost); diff --git a/src/tree_cmd.cpp b/src/tree_cmd.cpp index 42598789d..8f5500300 100644 --- a/src/tree_cmd.cpp +++ b/src/tree_cmd.cpp @@ -235,8 +235,6 @@ CommandCost CmdPlantTree(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (ex < sx) Swap(ex, sx); if (ey < sy) Swap(ey, sy); - cost = 0; // total cost - for (x = sx; x <= ex; x++) { for (y = sy; y <= ey; y++) { TileIndex tile = TileXY(x, y); @@ -254,7 +252,7 @@ CommandCost CmdPlantTree(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) MarkTileDirtyByTile(tile); } /* 2x as expensive to add more trees to an existing tile */ - cost += _price.build_trees * 2; + cost.AddCost(_price.build_trees * 2); break; case MP_CLEAR: @@ -265,8 +263,8 @@ CommandCost CmdPlantTree(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } switch (GetClearGround(tile)) { - case CLEAR_FIELDS: cost += _price.clear_3; break; - case CLEAR_ROCKS: cost += _price.clear_2; break; + case CLEAR_FIELDS: cost.AddCost(_price.clear_3); break; + case CLEAR_ROCKS: cost.AddCost(_price.clear_2); break; default: break; } @@ -297,7 +295,7 @@ CommandCost CmdPlantTree(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (_game_mode == GM_EDITOR && IS_INT_INSIDE(treetype, TREE_RAINFOREST, TREE_CACTUS)) SetTropicZone(tile, TROPICZONE_RAINFOREST); } - cost += _price.build_trees; + cost.AddCost(_price.build_trees); break; default: @@ -307,7 +305,7 @@ CommandCost CmdPlantTree(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) } } - if (cost == 0) { + if (cost.GetCost() == 0) { return_cmd_error(msg); } else { return cost; @@ -443,7 +441,7 @@ static CommandCost ClearTile_Trees(TileIndex tile, byte flags) if (flags & DC_EXEC) DoClearSquare(tile); - return num * _price.remove_trees; + return CommandCost(num * _price.remove_trees); } static void GetAcceptedCargo_Trees(TileIndex tile, AcceptedCargo ac) diff --git a/src/tunnelbridge_cmd.cpp b/src/tunnelbridge_cmd.cpp index d8fcfb8d8..528ba99b9 100644 --- a/src/tunnelbridge_cmd.cpp +++ b/src/tunnelbridge_cmd.cpp @@ -115,12 +115,12 @@ static CommandCost CheckBridgeSlopeNorth(Axis axis, Slope tileh) uint32 valid; valid = M(SLOPE_FLAT) | (axis == AXIS_X ? M(SLOPE_NE) : M(SLOPE_NW)); - if (HASBIT(valid, tileh)) return 0; + if (HASBIT(valid, tileh)) return CommandCost(); valid = BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_N) | M(SLOPE_STEEP_N) | (axis == AXIS_X ? M(SLOPE_E) | M(SLOPE_STEEP_E) : M(SLOPE_W) | M(SLOPE_STEEP_W)); - if (HASBIT(valid, tileh)) return _price.terraform; + if (HASBIT(valid, tileh)) return CommandCost(_price.terraform); return CMD_ERROR; } @@ -130,12 +130,12 @@ static CommandCost CheckBridgeSlopeSouth(Axis axis, Slope tileh) uint32 valid; valid = M(SLOPE_FLAT) | (axis == AXIS_X ? M(SLOPE_SW) : M(SLOPE_SE)); - if (HASBIT(valid, tileh)) return 0; + if (HASBIT(valid, tileh)) return CommandCost(); valid = BRIDGE_FULL_LEVELED_FOUNDATION | M(SLOPE_S) | M(SLOPE_STEEP_S) | (axis == AXIS_X ? M(SLOPE_W) | M(SLOPE_STEEP_W) : M(SLOPE_E) | M(SLOPE_STEEP_E)); - if (HASBIT(valid, tileh)) return _price.terraform; + if (HASBIT(valid, tileh)) return CommandCost(_price.terraform); return CMD_ERROR; } @@ -301,7 +301,7 @@ CommandCost CmdBuildBridge(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p return_cmd_error(STR_1024_AREA_IS_OWNED_BY_ANOTHER); } - cost = (bridge_len + 1) * _price.clear_bridge; // The cost of clearing the current bridge. + cost.AddCost((bridge_len + 1) * _price.clear_bridge); // The cost of clearing the current bridge. replace_bridge = true; replaced_bridge_type = GetBridgeType(tile_start); @@ -316,20 +316,20 @@ CommandCost CmdBuildBridge(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p cost = ret; terraformcost = CheckBridgeSlopeNorth(direction, tileh_start); - if (CmdFailed(terraformcost) || (terraformcost != 0 && !allow_on_slopes)) + if (CmdFailed(terraformcost) || (terraformcost.GetCost() != 0 && !allow_on_slopes)) return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); - cost += terraformcost; + cost.AddCost(terraformcost); /* Try and clear the end landscape */ ret = DoCommand(tile_end, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); /* false - end tile slope check */ terraformcost = CheckBridgeSlopeSouth(direction, tileh_end); - if (CmdFailed(terraformcost) || (terraformcost != 0 && !allow_on_slopes)) + if (CmdFailed(terraformcost) || (terraformcost.GetCost() != 0 && !allow_on_slopes)) return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); - cost += terraformcost; + cost.AddCost(terraformcost); } if (!replace_bridge) { @@ -412,7 +412,7 @@ not_valid_below:; /* try and clear the middle landscape */ ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); break; } @@ -440,7 +440,7 @@ not_valid_below:; if (IsValidPlayer(_current_player) && !_is_old_ai_player) bridge_len = CalcBridgeLenCostFactor(bridge_len); - cost += (int64)bridge_len * _price.build_bridge * b->price >> 8; + cost.AddCost((int64)bridge_len * _price.build_bridge * b->price >> 8); } return cost; @@ -489,7 +489,7 @@ CommandCost CmdBuildTunnel(TileIndex start_tile, uint32 flags, uint32 p1, uint32 * for the clearing of the entrance of the tunnel. Assigning it to * cost before the loop will yield different costs depending on start- * position, because of increased-cost-by-length: 'cost += cost >> 3' */ - cost = 0; + delta = TileOffsByDiagDir(direction); end_tile = start_tile; for (;;) { @@ -502,13 +502,14 @@ CommandCost CmdBuildTunnel(TileIndex start_tile, uint32 flags, uint32 p1, uint32 return_cmd_error(STR_5003_ANOTHER_TUNNEL_IN_THE_WAY); } - cost += _price.build_tunnel; - cost += cost >> 3; // add a multiplier for longer tunnels - if (cost >= 400000000) cost = 400000000; + cost.AddCost(_price.build_tunnel); + cost.AddCost(cost.GetCost() >> 3); // add a multiplier for longer tunnels + if (cost.GetCost() >= 400000000) cost.AddCost(400000000 - cost.GetCost()); } /* Add the cost of the entrance */ - cost += _price.build_tunnel + ret; + cost.AddCost(_price.build_tunnel); + cost.AddCost(ret); /* if the command fails from here on we want the end tile to be highlighted */ _build_tunnel_endtile = end_tile; @@ -521,7 +522,8 @@ CommandCost CmdBuildTunnel(TileIndex start_tile, uint32 flags, uint32 p1, uint32 ret = DoCommand(end_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; } - cost += _price.build_tunnel + ret; + cost.AddCost(_price.build_tunnel); + cost.AddCost(ret); if (flags & DC_EXEC) { if (GB(p1, 9, 1) == TRANSPORT_RAIL) { @@ -622,7 +624,7 @@ static CommandCost DoClearTunnel(TileIndex tile, uint32 flags) YapfNotifyTrackLayoutChange(tile, track); YapfNotifyTrackLayoutChange(endtile, track); } - return _price.clear_tunnel * (length + 1); + return CommandCost(_price.clear_tunnel * (length + 1)); } @@ -695,7 +697,7 @@ static CommandCost DoClearBridge(TileIndex tile, uint32 flags) YapfNotifyTrackLayoutChange(endtile, track); } - return (DistanceManhattan(tile, endtile) + 1) * _price.clear_bridge; + return CommandCost((DistanceManhattan(tile, endtile) + 1) * _price.clear_bridge); } static CommandCost ClearTile_TunnelBridge(TileIndex tile, byte flags) @@ -749,7 +751,7 @@ CommandCost DoConvertTunnelBridgeRail(TileIndex tile, RailType totype, bool exec YapfNotifyTrackLayoutChange(tile, track); YapfNotifyTrackLayoutChange(endtile, track); } - return (length + 1) * (_price.build_rail / 2); + return CommandCost((length + 1) * (_price.build_rail / 2)); } else if (IsBridge(tile) && GetBridgeTransportType(tile) == TRANSPORT_RAIL) { if (!CheckTileOwnership(tile)) return CMD_ERROR; @@ -784,7 +786,7 @@ CommandCost DoConvertTunnelBridgeRail(TileIndex tile, RailType totype, bool exec } } - return (DistanceManhattan(tile, endtile) + 1) * (_price.build_rail / 2); + return CommandCost((DistanceManhattan(tile, endtile) + 1) * (_price.build_rail / 2)); } else { return CMD_ERROR; } diff --git a/src/unmovable_cmd.cpp b/src/unmovable_cmd.cpp index 97a558caa..c1921e9a0 100644 --- a/src/unmovable_cmd.cpp +++ b/src/unmovable_cmd.cpp @@ -49,7 +49,7 @@ static CommandCost DestroyCompanyHQ(PlayerID pid, uint32 flags) } /* cost of relocating company is 1% of company value */ - return CalculateCompanyValue(p) / 100; + return CommandCost((int32)(CalculateCompanyValue(p) / 100)); } void UpdateCompanyHQ(Player *p, uint score) @@ -85,16 +85,14 @@ CommandCost CmdBuildCompanyHQ(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 { Player *p = GetPlayer(_current_player); CommandCost cost; - CommandCost ret; SET_EXPENSES_TYPE(EXPENSES_PROPERTY); - ret = CheckFlatLandBelow(tile, 2, 2, flags, 0, NULL); - if (CmdFailed(ret)) return ret; - cost = ret; + cost = CheckFlatLandBelow(tile, 2, 2, flags, 0, NULL); + if (CmdFailed(cost)) return cost; if (p->location_of_house != 0) { // Moving HQ - cost += DestroyCompanyHQ(_current_player, flags); + cost.AddCost(DestroyCompanyHQ(_current_player, flags)); } if (flags & DC_EXEC) { @@ -244,7 +242,7 @@ static CommandCost ClearTile_Unmovable(TileIndex tile, byte flags) DoClearSquare(tile); } - return 0; + return CommandCost(); } static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac) diff --git a/src/vehicle.cpp b/src/vehicle.cpp index e1bc27d7a..10ab2c8b1 100644 --- a/src/vehicle.cpp +++ b/src/vehicle.cpp @@ -847,19 +847,19 @@ CargoID FindFirstRefittableCargo(EngineID engine_type) */ CommandCost GetRefitCost(EngineID engine_type) { - CommandCost base_cost = 0; + CommandCost base_cost; switch (GetEngine(engine_type)->type) { - case VEH_SHIP: base_cost = _price.ship_base; break; - case VEH_ROAD: base_cost = _price.roadveh_base; break; - case VEH_AIRCRAFT: base_cost = _price.aircraft_base; break; + case VEH_SHIP: base_cost.AddCost(_price.ship_base); break; + case VEH_ROAD: base_cost.AddCost(_price.roadveh_base); break; + case VEH_AIRCRAFT: base_cost.AddCost(_price.aircraft_base); break; case VEH_TRAIN: - base_cost = 2 * ((RailVehInfo(engine_type)->railveh_type == RAILVEH_WAGON) ? - _price.build_railwagon : _price.build_railvehicle); + base_cost.AddCost(2 * ((RailVehInfo(engine_type)->railveh_type == RAILVEH_WAGON) ? + _price.build_railwagon : _price.build_railvehicle)); break; default: NOT_REACHED(); break; } - return (EngInfo(engine_type)->refit_cost * base_cost) >> 10; + return CommandCost((EngInfo(engine_type)->refit_cost * base_cost.GetCost()) >> 10); } static void DoDrawVehicle(const Vehicle *v) @@ -1726,7 +1726,7 @@ CommandCost CmdMassStartStopVehicle(TileIndex tile, uint32 flags, uint32 p1, uin ret = DoCommand(tile, v->index, 0, flags, stop_command); if (CmdSucceeded(ret)) { - return_value = 0; + return_value = CommandCost(); /* We know that the command is valid for at least one vehicle. * If we haven't set DC_EXEC, then there is no point in continueing because it will be valid */ if (!(flags & DC_EXEC)) break; @@ -1752,7 +1752,7 @@ CommandCost CmdDepotSellAllVehicles(TileIndex tile, uint32 flags, uint32 p1, uin uint16 wagon_list_length = 0; uint16 wagon_count = 0; - CommandCost cost = 0; + CommandCost cost; uint i, sell_command, total_number_vehicles; VehicleType vehicle_type = (VehicleType)GB(p1, 0, 8); @@ -1781,12 +1781,12 @@ CommandCost CmdDepotSellAllVehicles(TileIndex tile, uint32 flags, uint32 p1, uin ret = DoCommand(tile, v->index, 1, flags, sell_command); - if (CmdSucceeded(ret)) cost += ret; + if (CmdSucceeded(ret)) cost.AddCost(ret); } free(engines); free(wagons); - if (cost == 0) return CMD_ERROR; // no vehicles to sell + if (cost.GetCost() == 0) return CMD_ERROR; // no vehicles to sell return cost; } @@ -1802,7 +1802,7 @@ CommandCost CmdDepotMassAutoReplace(TileIndex tile, uint32 flags, uint32 p1, uin uint16 engine_list_length = 0; uint16 engine_count = 0; uint i, x = 0, y = 0, z = 0; - CommandCost cost = 0; + CommandCost cost; VehicleType vehicle_type = (VehicleType)GB(p1, 0, 8); if (!IsTileOwner(tile, _current_player)) return CMD_ERROR; @@ -1830,7 +1830,7 @@ CommandCost CmdDepotMassAutoReplace(TileIndex tile, uint32 flags, uint32 p1, uin ret = MaybeReplaceVehicle(v, !(flags & DC_EXEC), false); if (CmdSucceeded(ret)) { - cost += ret; + cost.AddCost(ret); if (!(flags & DC_EXEC)) break; /* There is a problem with autoreplace and newgrf * It's impossible to tell the length of a train after it's being replaced before it's actually done @@ -1842,14 +1842,14 @@ CommandCost CmdDepotMassAutoReplace(TileIndex tile, uint32 flags, uint32 p1, uin } } - if (cost == 0) { + if (cost.GetCost() == 0) { cost = CMD_ERROR; } else { if (flags & DC_EXEC) { /* Display the cost animation now that DoCommandP() can't do it for us (see previous comments) */ - if (IsLocalPlayer()) ShowCostOrIncomeAnimation(x, y, z, cost); + if (IsLocalPlayer()) ShowCostOrIncomeAnimation(x, y, z, cost.GetCost()); } - cost = 0; + cost = CommandCost(); } free(vl); @@ -1866,7 +1866,7 @@ CommandCost CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Vehicle *v_front, *v; Vehicle *w_front, *w, *w_rear; - CommandCost cost, total_cost = 0; + CommandCost cost, total_cost; uint32 build_argument = 2; if (!IsValidVehicleID(p1)) return CMD_ERROR; @@ -1914,7 +1914,7 @@ CommandCost CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (CmdFailed(cost)) return cost; - total_cost += cost; + total_cost.AddCost(cost); if (flags & DC_EXEC) { w = GetVehicle(_new_vehicle_id); @@ -1972,7 +1972,7 @@ CommandCost CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) if (w->cargo_type != v->cargo_type || w->cargo_subtype != v->cargo_type) { cost = DoCommand(0, w->index, v->cargo_type | (v->cargo_subtype << 8) | 1U << 16 , flags, GetCmdRefitVeh(v)); - if (CmdSucceeded(cost)) total_cost += cost; + if (CmdSucceeded(cost)) total_cost.AddCost(cost); } if (w->type == VEH_TRAIN && EngineHasArticPart(w)) { @@ -1986,7 +1986,7 @@ CommandCost CmdCloneVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) CargoID initial_cargo = GetEngineCargoType(v->engine_type); if (v->cargo_type != initial_cargo && initial_cargo != CT_INVALID) { - total_cost += GetRefitCost(v->engine_type); + total_cost.AddCost(GetRefitCost(v->engine_type)); } } @@ -2242,12 +2242,12 @@ CommandCost SendAllVehiclesToDepot(VehicleType type, uint32 flags, bool service, * it will succeed at least once. With DC_EXEC we really need to send them to the depot */ if (CmdSucceeded(ret) && !(flags & DC_EXEC)) { free((void*)sort_list); - return 0; + return CommandCost(); } } free((void*)sort_list); - return (flags & DC_EXEC) ? 0 : CMD_ERROR; + return (flags & DC_EXEC) ? CommandCost() : CMD_ERROR; } bool IsVehicleInDepot(const Vehicle *v) @@ -2327,8 +2327,8 @@ void VehicleEnterDepot(Vehicle *v) SetDParam(1, v->unitnumber); AddNewsItem(STR_ORDER_REFIT_FAILED, NEWS_FLAGS(NM_SMALL, NF_VIEWPORT|NF_VEHICLE, NT_ADVICE, 0), v->index, 0); } - } else if (v->owner == _local_player && cost != 0) { - ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, cost); + } else if (v->owner == _local_player && cost.GetCost() != 0) { + ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, cost.GetCost()); } } @@ -2386,7 +2386,7 @@ CommandCost CmdNameVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) DeleteName(str); } - return 0; + return CommandCost(); } @@ -2412,7 +2412,7 @@ CommandCost CmdChangeServiceInt(TileIndex tile, uint32 flags, uint32 p1, uint32 InvalidateWindow(WC_VEHICLE_DETAILS, v->index); } - return 0; + return CommandCost(); } diff --git a/src/vehicle_gui.cpp b/src/vehicle_gui.cpp index 02123969b..fca73e38b 100644 --- a/src/vehicle_gui.cpp +++ b/src/vehicle_gui.cpp @@ -346,7 +346,7 @@ static void VehicleRefitWndProc(Window *w, WindowEvent *e) if (CmdSucceeded(cost)) { SetDParam(0, WP(w, refit_d).cargo->cargo); SetDParam(1, _returned_refit_capacity); - SetDParam(2, cost); + SetDParam(2, cost.GetCost()); DrawString(2, w->widget[5].top + 1, STR_9840_NEW_CAPACITY_COST_OF_REFIT, 0); } } diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp index 1b6f5c0f1..15e05f78c 100644 --- a/src/water_cmd.cpp +++ b/src/water_cmd.cpp @@ -82,9 +82,6 @@ CommandCost CmdBuildShipDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 ret = DoCommand(tile2, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return CMD_ERROR; - /* pretend that we're not making land from the water even though we actually are. */ - cost = 0; - depot = AllocateDepot(); if (depot == NULL) return CMD_ERROR; @@ -98,7 +95,7 @@ CommandCost CmdBuildShipDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 MarkTileDirtyByTile(tile2); } - return cost + _price.build_ship_depot; + return cost.AddCost(_price.build_ship_depot); } static CommandCost RemoveShipDepot(TileIndex tile, uint32 flags) @@ -123,7 +120,7 @@ static CommandCost RemoveShipDepot(TileIndex tile, uint32 flags) MarkTileDirtyByTile(tile2); } - return _price.remove_ship_depot; + return CommandCost(_price.remove_ship_depot); } /** build a shiplift */ @@ -164,7 +161,7 @@ static CommandCost DoBuildShiplift(TileIndex tile, DiagDirection dir, uint32 fla MarkTileDirtyByTile(tile + delta); } - return _price.clear_water * 22 >> 3; + return CommandCost(_price.clear_water * 22 >> 3); } static CommandCost RemoveShiplift(TileIndex tile, uint32 flags) @@ -183,7 +180,7 @@ static CommandCost RemoveShiplift(TileIndex tile, uint32 flags) DoClearSquare(tile - delta); } - return _price.clear_water * 2; + return CommandCost(_price.clear_water * 2); } static void MarkTilesAroundDirty(TileIndex tile) @@ -249,7 +246,6 @@ CommandCost CmdBuildCanal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) /* Outside the editor you can only drag canals, and not areas */ if (_game_mode != GM_EDITOR && (sx != x && sy != y)) return CMD_ERROR; - cost = 0; BEGIN_TILE_LOOP(tile, size_x, size_y, TileXY(sx, sy)) { CommandCost ret; @@ -262,7 +258,7 @@ CommandCost CmdBuildCanal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; - cost += ret; + cost.AddCost(ret); if (flags & DC_EXEC) { if (TileHeight(tile) == 0 && HASBIT(p2, 0)) { @@ -274,10 +270,10 @@ CommandCost CmdBuildCanal(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) MarkTilesAroundDirty(tile); } - cost += _price.clear_water; + cost.AddCost(_price.clear_water); } END_TILE_LOOP(tile, size_x, size_y, 0); - if (cost == 0) { + if (cost.GetCost() == 0) { return_cmd_error(STR_1007_ALREADY_BUILT); } else { return cost; @@ -302,7 +298,7 @@ static CommandCost ClearTile_Water(TileIndex tile, byte flags) if (GetTileOwner(tile) != OWNER_WATER && !CheckTileOwnership(tile)) return CMD_ERROR; if (flags & DC_EXEC) DoClearSquare(tile); - return _price.clear_water; + return CommandCost(_price.clear_water); case WATER_TILE_COAST: { Slope slope = GetTileSlope(tile, NULL); @@ -318,9 +314,9 @@ static CommandCost ClearTile_Water(TileIndex tile, byte flags) if (flags & DC_EXEC) DoClearSquare(tile); if (slope == SLOPE_N || slope == SLOPE_E || slope == SLOPE_S || slope == SLOPE_W) { - return _price.clear_water; + return CommandCost(_price.clear_water); } else { - return _price.purchase_land; + return CommandCost(_price.purchase_land); } } @@ -343,7 +339,6 @@ static CommandCost ClearTile_Water(TileIndex tile, byte flags) default: NOT_REACHED(); - return 0; } } diff --git a/src/waypoint.cpp b/src/waypoint.cpp index 134b56996..c621bd71e 100644 --- a/src/waypoint.cpp +++ b/src/waypoint.cpp @@ -272,7 +272,7 @@ CommandCost CmdBuildTrainWaypoint(TileIndex tile, uint32 flags, uint32 p1, uint3 YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis)); } - return _price.build_train_depot; + return CommandCost(_price.build_train_depot); } /** @@ -324,7 +324,7 @@ CommandCost RemoveTrainWaypoint(TileIndex tile, uint32 flags, bool justremove) YapfNotifyTrackLayoutChange(tile, track); } - return _price.remove_train_depot; + return CommandCost(_price.remove_train_depot); } /** @@ -382,7 +382,7 @@ CommandCost CmdRenameWaypoint(TileIndex tile, uint32 flags, uint32 p1, uint32 p2 MarkWholeScreenDirty(); } } - return 0; + return CommandCost(); } /** |