timetable_cmd.cpp

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00001 /* $Id: timetable_cmd.cpp 15434 2009-02-09 21:20:05Z rubidium $ */
00002 
00005 #include "stdafx.h"
00006 #include "command_func.h"
00007 #include "functions.h"
00008 #include "window_func.h"
00009 #include "vehicle_base.h"
00010 #include "settings_type.h"
00011 
00012 #include "table/strings.h"
00013 
00014 static void ChangeTimetable(Vehicle *v, VehicleOrderID order_number, uint16 time, bool is_journey)
00015 {
00016   Order *order = GetVehicleOrder(v, order_number);
00017   int delta;
00018 
00019   if (is_journey) {
00020     delta = time - order->travel_time;
00021     order->travel_time = time;
00022   } else {
00023     delta = time - order->wait_time;
00024     order->wait_time = time;
00025   }
00026   v->orders.list->UpdateOrderTimetable(delta);
00027 
00028   for (v = v->FirstShared(); v != NULL; v = v->NextShared()) {
00029     if (v->cur_order_index == order_number && v->current_order.Equals(*order)) {
00030       if (is_journey) {
00031         v->current_order.travel_time = time;
00032       } else {
00033         v->current_order.wait_time = time;
00034       }
00035     }
00036     InvalidateWindow(WC_VEHICLE_TIMETABLE, v->index);
00037   }
00038 }
00039 
00055 CommandCost CmdChangeTimetable(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00056 {
00057   if (!_settings_game.order.timetabling) return CMD_ERROR;
00058 
00059   VehicleID veh = GB(p1, 0, 16);
00060   if (!IsValidVehicleID(veh)) return CMD_ERROR;
00061 
00062   Vehicle *v = GetVehicle(veh);
00063   if (!CheckOwnership(v->owner)) return CMD_ERROR;
00064 
00065   VehicleOrderID order_number = GB(p1, 16, 8);
00066   Order *order = GetVehicleOrder(v, order_number);
00067   if (order == NULL) return CMD_ERROR;
00068 
00069   bool packed_time = HasBit(p1, 25);
00070   bool is_journey = HasBit(p1, 24) || packed_time;
00071 
00072   int wait_time   = order->wait_time;
00073   int travel_time = order->travel_time;
00074   if (packed_time) {
00075     travel_time = GB(p2, 0, 16);
00076     wait_time   = GB(p2, 16, 16);;
00077   } else if (is_journey) {
00078     travel_time = GB(p2, 0, 16);
00079   } else {
00080     wait_time   = GB(p2, 0, 16);
00081   }
00082 
00083   if (wait_time != order->wait_time) {
00084     switch (order->GetType()) {
00085       case OT_GOTO_STATION:
00086         if (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) return_cmd_error(STR_TIMETABLE_NOT_STOPPING_HERE);
00087         break;
00088 
00089       case OT_CONDITIONAL:
00090         break;
00091 
00092       default: return_cmd_error(STR_TIMETABLE_ONLY_WAIT_AT_STATIONS);
00093     }
00094   }
00095 
00096   if (travel_time != order->travel_time && order->IsType(OT_CONDITIONAL)) return CMD_ERROR;
00097 
00098   if (flags & DC_EXEC) {
00099     if (wait_time   != order->wait_time)   ChangeTimetable(v, order_number, wait_time,   false);
00100     if (travel_time != order->travel_time) ChangeTimetable(v, order_number, travel_time, true);
00101   }
00102 
00103   return CommandCost();
00104 }
00105 
00113 CommandCost CmdSetVehicleOnTime(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00114 {
00115   if (!_settings_game.order.timetabling) return CMD_ERROR;
00116 
00117   VehicleID veh = GB(p1, 0, 16);
00118   if (!IsValidVehicleID(veh)) return CMD_ERROR;
00119 
00120   Vehicle *v = GetVehicle(veh);
00121   if (!CheckOwnership(v->owner)) return CMD_ERROR;
00122 
00123   if (flags & DC_EXEC) {
00124     v->lateness_counter = 0;
00125   }
00126 
00127   return CommandCost();
00128 }
00129 
00141 CommandCost CmdAutofillTimetable(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00142 {
00143   if (!_settings_game.order.timetabling) return CMD_ERROR;
00144 
00145   VehicleID veh = GB(p1, 0, 16);
00146   if (!IsValidVehicleID(veh)) return CMD_ERROR;
00147 
00148   Vehicle *v = GetVehicle(veh);
00149   if (!CheckOwnership(v->owner)) return CMD_ERROR;
00150 
00151   if (flags & DC_EXEC) {
00152     if (HasBit(p2, 0)) {
00153       /* Start autofilling the timetable, which clears the
00154        * "timetable has started" bit. Times are not cleared anymore, but are
00155        * overwritten when the order is reached now. */
00156       SetBit(v->vehicle_flags, VF_AUTOFILL_TIMETABLE);
00157       ClrBit(v->vehicle_flags, VF_TIMETABLE_STARTED);
00158 
00159       /* Overwrite waiting times only if they got longer */
00160       if (HasBit(p2, 1)) SetBit(v->vehicle_flags, VF_AUTOFILL_PRES_WAIT_TIME);
00161 
00162       v->lateness_counter = 0;
00163     } else {
00164       ClrBit(v->vehicle_flags, VF_AUTOFILL_TIMETABLE);
00165       ClrBit(v->vehicle_flags, VF_AUTOFILL_PRES_WAIT_TIME);
00166     }
00167   }
00168 
00169   for (Vehicle *v2 = v->FirstShared(); v2 != NULL; v2 = v2->NextShared()) {
00170     if (v2 != v) {
00171       /* Stop autofilling; only one vehicle at a time can perform autofill */
00172       ClrBit(v2->vehicle_flags, VF_AUTOFILL_TIMETABLE);
00173       ClrBit(v2->vehicle_flags, VF_AUTOFILL_PRES_WAIT_TIME);
00174     }
00175     InvalidateWindow(WC_VEHICLE_TIMETABLE, v2->index);
00176   }
00177 
00178   return CommandCost();
00179 }
00180 
00181 void UpdateVehicleTimetable(Vehicle *v, bool travelling)
00182 {
00183   uint timetabled = travelling ? v->current_order.travel_time : v->current_order.wait_time;
00184   uint time_taken = v->current_order_time;
00185 
00186   v->current_order_time = 0;
00187 
00188   if (!_settings_game.order.timetabling) return;
00189 
00190   bool just_started = false;
00191 
00192   /* Make sure the timetable only starts when the vehicle reaches the first
00193    * order, not when travelling from the depot to the first station. */
00194   if (v->cur_order_index == 0 && !HasBit(v->vehicle_flags, VF_TIMETABLE_STARTED)) {
00195     SetBit(v->vehicle_flags, VF_TIMETABLE_STARTED);
00196     just_started = true;
00197   }
00198 
00199   if (!HasBit(v->vehicle_flags, VF_TIMETABLE_STARTED)) return;
00200 
00201   if (HasBit(v->vehicle_flags, VF_AUTOFILL_TIMETABLE)) {
00202     if (travelling && !HasBit(v->vehicle_flags, VF_AUTOFILL_PRES_WAIT_TIME)) {
00203       /* Need to clear that now as otherwise we are not able to reduce the wait time */
00204       v->current_order.wait_time = 0;
00205     }
00206 
00207     if (just_started) return;
00208 
00209     /* Modify station waiting time only if our new value is larger (this is
00210      * always the case when we cleared the timetable). */
00211     if (!v->current_order.IsType(OT_CONDITIONAL) && (travelling || time_taken > v->current_order.wait_time)) {
00212       /* Round the time taken up to the nearest day, as this will avoid
00213        * confusion for people who are timetabling in days, and can be
00214        * adjusted later by people who aren't. */
00215       time_taken = (((time_taken - 1) / DAY_TICKS) + 1) * DAY_TICKS;
00216 
00217       ChangeTimetable(v, v->cur_order_index, time_taken, travelling);
00218     }
00219 
00220     if (v->cur_order_index == 0 && travelling) {
00221       /* If we just started we would have returned earlier and have not reached
00222        * this code. So obviously, we have completed our round: So turn autofill
00223        * off again. */
00224       ClrBit(v->vehicle_flags, VF_AUTOFILL_TIMETABLE);
00225       ClrBit(v->vehicle_flags, VF_AUTOFILL_PRES_WAIT_TIME);
00226     }
00227     return;
00228   }
00229 
00230   if (just_started) return;
00231 
00232   /* Vehicles will wait at stations if they arrive early even if they are not
00233    * timetabled to wait there, so make sure the lateness counter is updated
00234    * when this happens. */
00235   if (timetabled == 0 && (travelling || v->lateness_counter >= 0)) return;
00236 
00237   v->lateness_counter -= (timetabled - time_taken);
00238 
00239   for (v = v->FirstShared(); v != NULL; v = v->NextShared()) {
00240     InvalidateWindow(WC_VEHICLE_TIMETABLE, v->index);
00241   }
00242 }

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