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@ r26254:4dd185cf8a2d
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Location: cpp/openttd-patchpack/source/src/vehiclelist.cpp
r26254:4dd185cf8a2d
5.4 KiB
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* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file vehiclelist.cpp Lists of vehicles. */
#include "stdafx.h"
#include "train.h"
#include "vehiclelist.h"
#include "group.h"
#include "safeguards.h"
/**
* Pack a VehicleListIdentifier in a single uint32.
* @return The packed identifier.
*/
uint32 VehicleListIdentifier::Pack() const
{
byte c = this->company == OWNER_NONE ? 0xF : (byte)this->company;
assert(c < (1 << 4));
assert(this->vtype < (1 << 2));
assert(this->index < (1 << 20));
assert(this->type < VLT_END);
static_assert(VLT_END <= (1 << 3));
return c << 28 | this->type << 23 | this->vtype << 26 | this->index;
}
/**
* Unpack a VehicleListIdentifier from a single uint32.
* @param data The data to unpack.
* @return true iff the data was valid (enough).
*/
bool VehicleListIdentifier::UnpackIfValid(uint32 data)
{
byte c = GB(data, 28, 4);
this->company = c == 0xF ? OWNER_NONE : (CompanyID)c;
this->type = (VehicleListType)GB(data, 23, 3);
this->vtype = (VehicleType)GB(data, 26, 2);
this->index = GB(data, 0, 20);
return this->type < VLT_END;
}
/**
* Decode a packed vehicle list identifier into a new one.
* @param data The data to unpack.
*/
/* static */ VehicleListIdentifier VehicleListIdentifier::UnPack(uint32 data)
{
VehicleListIdentifier result;
[[maybe_unused]] bool ret = result.UnpackIfValid(data);
assert(ret);
return result;
}
/**
* Generate a list of vehicles inside a depot.
* @param type Type of vehicle
* @param tile The tile the depot is located on
* @param engines Pointer to list to add vehicles to
* @param wagons Pointer to list to add wagons to (can be nullptr)
* @param individual_wagons If true add every wagon to \a wagons which is not attached to an engine. If false only add the first wagon of every row.
*/
void BuildDepotVehicleList(VehicleType type, TileIndex tile, VehicleList *engines, VehicleList *wagons, bool individual_wagons)
{
engines->clear();
if (wagons != nullptr && wagons != engines) wagons->clear();
for (const Vehicle *v : Vehicle::Iterate()) {
/* General tests for all vehicle types */
if (v->type != type) continue;
if (v->tile != tile) continue;
switch (type) {
case VEH_TRAIN: {
const Train *t = Train::From(v);
if (t->IsArticulatedPart() || t->IsRearDualheaded()) continue;
if (t->track != TRACK_BIT_DEPOT) continue;
if (wagons != nullptr && t->First()->IsFreeWagon()) {
if (individual_wagons || t->IsFreeWagon()) wagons->push_back(t);
continue;
}
break;
}
default:
if (!v->IsInDepot()) continue;
break;
}
if (!v->IsPrimaryVehicle()) continue;
engines->push_back(v);
}
/* Ensure the lists are not wasting too much space. If the lists are fresh
* (i.e. built within a command) then this will actually do nothing. */
engines->shrink_to_fit();
if (wagons != nullptr && wagons != engines) wagons->shrink_to_fit();
}
/**
* Generate a list of vehicles based on window type.
* @param list Pointer to list to add vehicles to
* @param vli The identifier of this vehicle list.
* @return false if invalid list is requested
*/
bool GenerateVehicleSortList(VehicleList *list, const VehicleListIdentifier &vli)
{
list->clear();
switch (vli.type) {
case VL_STATION_LIST:
for (const Vehicle *v : Vehicle::Iterate()) {
if (v->type == vli.vtype && v->IsPrimaryVehicle()) {
for (const Order *order : v->Orders()) {
if ((order->IsType(OT_GOTO_STATION) || order->IsType(OT_GOTO_WAYPOINT) || order->IsType(OT_IMPLICIT))
&& order->GetDestination() == vli.index) {
list->push_back(v);
break;
}
}
}
}
break;
case VL_SHARED_ORDERS: {
/* Add all vehicles from this vehicle's shared order list */
const Vehicle *v = Vehicle::GetIfValid(vli.index);
if (v == nullptr || v->type != vli.vtype || !v->IsPrimaryVehicle()) return false;
for (; v != nullptr; v = v->NextShared()) {
list->push_back(v);
}
break;
}
case VL_GROUP_LIST:
if (vli.index != ALL_GROUP) {
for (const Vehicle *v : Vehicle::Iterate()) {
if (v->type == vli.vtype && v->IsPrimaryVehicle() &&
v->owner == vli.company && GroupIsInGroup(v->group_id, vli.index)) {
list->push_back(v);
}
}
break;
}
FALLTHROUGH;
case VL_STANDARD:
for (const Vehicle *v : Vehicle::Iterate()) {
if (v->type == vli.vtype && v->owner == vli.company && v->IsPrimaryVehicle()) {
list->push_back(v);
}
}
break;
case VL_DEPOT_LIST:
for (const Vehicle *v : Vehicle::Iterate()) {
if (v->type == vli.vtype && v->IsPrimaryVehicle()) {
for (const Order *order : v->Orders()) {
if (order->IsType(OT_GOTO_DEPOT) && !(order->GetDepotActionType() & ODATFB_NEAREST_DEPOT) && order->GetDestination() == vli.index) {
list->push_back(v);
break;
}
}
}
}
break;
default: return false;
}
list->shrink_to_fit();
return true;
}
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