# vehiclelist.cpp

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    00001 /* $Id$ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
    00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
    00008  */
    00009
    00012 #include "stdafx.h"
    00013 #include "train.h"
    00014 #include "vehiclelist.h"
    00015
    00020 uint32 VehicleListIdentifier::Pack()
    00021 {
    00022   assert(this->company < (1 <<  4));
    00023   assert(this->type    < (1 <<  3));
    00024   assert(this->vtype   < (1 <<  2));
    00025   assert(this->index   < (1 << 20));
    00026
    00027   return this->company << 28 | this->type << 23 | this->vtype << 26 | this->index;
    00028 }
    00029
    00035 bool VehicleListIdentifier::Unpack(uint32 data)
    00036 {
    00037   this->company = (CompanyID)GB(data, 28, 4);
    00038   this->type    = (VehicleListType)GB(data, 23, 3);
    00039   this->vtype   = (VehicleType)GB(data, 26, 2);
    00040   this->index   = GB(data, 0, 20);
    00041
    00042   return this->type < VLT_END;
    00043 }
    00044
    00049 VehicleListIdentifier::VehicleListIdentifier(uint32 data)
    00050 {
    00051   bool ret = this->Unpack(data);
    00052   assert(ret);
    00053 }
    00054
    00063 void BuildDepotVehicleList(VehicleType type, TileIndex tile, VehicleList *engines, VehicleList *wagons, bool individual_wagons)
    00064 {
    00065   engines->Clear();
    00066   if (wagons != NULL && wagons != engines) wagons->Clear();
    00067
    00068   const Vehicle *v;
    00069   FOR_ALL_VEHICLES(v) {
    00070     /* General tests for all vehicle types */
    00071     if (v->type != type) continue;
    00072     if (v->tile != tile) continue;
    00073
    00074     switch (type) {
    00075       case VEH_TRAIN: {
    00076         const Train *t = Train::From(v);
    00077         if (t->IsArticulatedPart() || t->IsRearDualheaded()) continue;
    00078         if (t->track != TRACK_BIT_DEPOT) continue;
    00079         if (wagons != NULL && t->First()->IsFreeWagon()) {
    00080           if (individual_wagons || t->IsFreeWagon()) *wagons->Append() = t;
    00081           continue;
    00082         }
    00083         break;
    00084       }
    00085
    00086       default:
    00087         if (!v->IsInDepot()) continue;
    00088         break;
    00089     }
    00090
    00091     if (!v->IsPrimaryVehicle()) continue;
    00092
    00093     *engines->Append() = v;
    00094   }
    00095
    00096   /* Ensure the lists are not wasting too much space. If the lists are fresh
    00097    * (i.e. built within a command) then this will actually do nothing. */
    00098   engines->Compact();
    00099   if (wagons != NULL && wagons != engines) wagons->Compact();
    00100 }
    00101
    00108 bool GenerateVehicleSortList(VehicleList *list, const VehicleListIdentifier &vli)
    00109 {
    00110   list->Clear();
    00111
    00112   const Vehicle *v;
    00113
    00114   switch (vli.type) {
    00115     case VL_STATION_LIST:
    00116       FOR_ALL_VEHICLES(v) {
    00117         if (v->type == vli.vtype && v->IsPrimaryVehicle()) {
    00118           const Order *order;
    00119
    00120           FOR_VEHICLE_ORDERS(v, order) {
    00121             if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT) || order->IsType(OT_IMPLICIT))
    00122                 && order->GetDestination() == vli.index) {
    00123               *list->Append() = v;
    00124               break;
    00125             }
    00126           }
    00127         }
    00128       }
    00129       break;
    00130
    00131     case VL_SHARED_ORDERS:
    00132       /* Add all vehicles from this vehicle's shared order list */
    00133       v = Vehicle::GetIfValid(vli.index);
    00134       if (v == NULL || v->type != vli.vtype || !v->IsPrimaryVehicle()) return false;
    00135
    00136       for (; v != NULL; v = v->NextShared()) {
    00137         *list->Append() = v;
    00138       }
    00139       break;
    00140
    00141     case VL_GROUP_LIST:
    00142       if (vli.index != ALL_GROUP) {
    00143         FOR_ALL_VEHICLES(v) {
    00144           if (v->type == vli.vtype && v->IsPrimaryVehicle() &&
    00145               v->owner == vli.company && v->group_id == vli.index) {
    00146             *list->Append() = v;
    00147           }
    00148         }
    00149         break;
    00150       }
    00151       /* FALL THROUGH */
    00152
    00153     case VL_STANDARD:
    00154       FOR_ALL_VEHICLES(v) {
    00155         if (v->type == vli.vtype && v->owner == vli.company && v->IsPrimaryVehicle()) {
    00156           *list->Append() = v;
    00157         }
    00158       }
    00159       break;
    00160
    00161     case VL_DEPOT_LIST:
    00162       FOR_ALL_VEHICLES(v) {
    00163         if (v->type == vli.vtype && v->IsPrimaryVehicle()) {
    00164           const Order *order;
    00165
    00166           FOR_VEHICLE_ORDERS(v, order) {
    00167             if (order->IsType(OT_GOTO_DEPOT) && !(order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) && order->GetDestination() == vli.index) {
    00168               *list->Append() = v;
    00169               break;
    00170             }
    00171           }
    00172         }
    00173       }
    00174       break;
    00175
    00176     default: return false;
    00177   }
    00178
    00179   list->Compact();
    00180   return true;
    00181 }