OpenTTD: src/vehiclelist.cpp Source File

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vehiclelist.cpp
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1 /* $Id: vehiclelist.cpp 26679 2014-07-08 20:07:21Z frosch $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #include "stdafx.h"
13 #include "train.h"
14 #include "vehiclelist.h"
15 #include "group.h"
16
17 #include "safeguards.h"
18
23 uint32 VehicleListIdentifier::Pack() const
24 {
25 byte c = this->company == OWNER_NONE ? 0xF : (byte)this->company;
26 assert(c < (1 << 4));
27 assert(this->vtype < (1 << 2));
28 assert(this->index < (1 << 20));
29 assert(this->type < VLT_END);
30 assert_compile(VLT_END <= (1 << 3));
31
32 return c << 28 | this->type << 23 | this->vtype << 26 | this->index;
33 }
34
40 bool VehicleListIdentifier::Unpack(uint32 data)
41 {
42 byte c = GB(data, 28, 4);
43 this->company = c == 0xF ? OWNER_NONE : (CompanyID)c;
44 this->type = (VehicleListType)GB(data, 23, 3);
45 this->vtype = (VehicleType)GB(data, 26, 2);
46 this->index = GB(data, 0, 20);
47
48 return this->type < VLT_END;
49 }
50
55 VehicleListIdentifier::VehicleListIdentifier(uint32 data)
56 {
57 bool ret = this->Unpack(data);
58 assert(ret);
59 }
60
69 void BuildDepotVehicleList(VehicleType type, TileIndex tile, VehicleList *engines, VehicleList *wagons, bool individual_wagons)
70 {
71 engines->Clear();
72 if (wagons != NULL && wagons != engines) wagons->Clear();
73
74 const Vehicle *v;
75 FOR_ALL_VEHICLES(v) {
76 /* General tests for all vehicle types */
77 if (v->type != type) continue;
78 if (v->tile != tile) continue;
79
80 switch (type) {
81 case VEH_TRAIN: {
82 const Train *t = Train::From(v);
83 if (t->IsArticulatedPart() || t->IsRearDualheaded()) continue;
84 if (t->track != TRACK_BIT_DEPOT) continue;
85 if (wagons != NULL && t->First()->IsFreeWagon()) {
86 if (individual_wagons || t->IsFreeWagon()) *wagons->Append() = t;
87 continue;
88 }
89 break;
90 }
91
92 default:
93 if (!v->IsInDepot()) continue;
94 break;
95 }
96
97 if (!v->IsPrimaryVehicle()) continue;
98
99 *engines->Append() = v;
100 }
101
102 /* Ensure the lists are not wasting too much space. If the lists are fresh
103 * (i.e. built within a command) then this will actually do nothing. */
104 engines->Compact();
105 if (wagons != NULL && wagons != engines) wagons->Compact();
106 }
107
114 bool GenerateVehicleSortList(VehicleList *list, const VehicleListIdentifier &vli)
115 {
116 list->Clear();
117
118 const Vehicle *v;
119
120 switch (vli.type) {
121 case VL_STATION_LIST:
122 FOR_ALL_VEHICLES(v) {
123 if (v->type == vli.vtype && v->IsPrimaryVehicle()) {
124 const Order *order;
125
126 FOR_VEHICLE_ORDERS(v, order) {
127 if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT) || order->IsType(OT_IMPLICIT))
128 && order->GetDestination() == vli.index) {
129 *list->Append() = v;
130 break;
131 }
132 }
133 }
134 }
135 break;
136
137 case VL_SHARED_ORDERS:
138 /* Add all vehicles from this vehicle's shared order list */
139 v = Vehicle::GetIfValid(vli.index);
140 if (v == NULL || v->type != vli.vtype || !v->IsPrimaryVehicle()) return false;
141
142 for (; v != NULL; v = v->NextShared()) {
143 *list->Append() = v;
144 }
145 break;
146
147 case VL_GROUP_LIST:
148 if (vli.index != ALL_GROUP) {
149 FOR_ALL_VEHICLES(v) {
150 if (v->type == vli.vtype && v->IsPrimaryVehicle() &&
151 v->owner == vli.company && GroupIsInGroup(v->group_id, vli.index)) {
152 *list->Append() = v;
153 }
154 }
155 break;
156 }
157 /* FALL THROUGH */
158
159 case VL_STANDARD:
160 FOR_ALL_VEHICLES(v) {
161 if (v->type == vli.vtype && v->owner == vli.company && v->IsPrimaryVehicle()) {
162 *list->Append() = v;
163 }
164 }
165 break;
166
167 case VL_DEPOT_LIST:
168 FOR_ALL_VEHICLES(v) {
169 if (v->type == vli.vtype && v->IsPrimaryVehicle()) {
170 const Order *order;
171
172 FOR_VEHICLE_ORDERS(v, order) {
173 if (order->IsType(OT_GOTO_DEPOT) && !(order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) && order->GetDestination() == vli.index) {
174 *list->Append() = v;
175 break;
176 }
177 }
178 }
179 }
180 break;
181
182 default: return false;
183 }
184
185 list->Compact();
186 return true;
187 }