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Location: cpp/openttd-patchpack/source/src/cargopacket.cpp - annotation
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r13281:e10563871a55 r7010:fd8e3ec6f727 r13210:6ef3c7aaa995 r13210:6ef3c7aaa995 r13216:2c9a757db2cc r7010:fd8e3ec6f727 r13210:6ef3c7aaa995 r13218:a349a5df045c r7010:fd8e3ec6f727 r7010:fd8e3ec6f727 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 r13281:e10563871a55 | /* $Id$ */
/*
* 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 cargopacket.cpp Implementation of the cargo packets */
#include "stdafx.h"
#include "core/pool_func.hpp"
#include "economy_base.h"
#include "station_base.h"
/* Initialize the cargopacket-pool */
CargoPacketPool _cargopacket_pool("CargoPacket");
INSTANTIATE_POOL_METHODS(CargoPacket)
/**
* Initialize, i.e. clean, the pool with cargo packets.
*/
void InitializeCargoPackets()
{
_cargopacket_pool.CleanPool();
}
CargoPacket::CargoPacket(StationID source, uint16 count, SourceType source_type, SourceID source_id) :
count(count),
source_id(source_id),
source(source)
{
this->source_type = source_type;
if (source != INVALID_STATION) {
assert(count != 0);
this->source_xy = Station::Get(source)->xy;
this->loaded_at_xy = this->source_xy;
}
}
CargoPacket::CargoPacket(uint16 count, byte days_in_transit, Money feeder_share, SourceType source_type, SourceID source_id) :
feeder_share(feeder_share),
count(count),
days_in_transit(days_in_transit),
source_id(source_id)
{
this->source_type = source_type;
}
/**
* Invalidates (sets source_id to INVALID_SOURCE) all cargo packets from given source
* @param src_type type of source
* @param src index of source
*/
/* static */ void CargoPacket::InvalidateAllFrom(SourceType src_type, SourceID src)
{
CargoPacket *cp;
FOR_ALL_CARGOPACKETS(cp) {
if (cp->source_type == src_type && cp->source_id == src) cp->source_id = INVALID_SOURCE;
}
}
/**
* Invalidates (sets source to INVALID_STATION) all cargo packets from given station
* @param sid the station that gets removed
*/
/* static */ void CargoPacket::InvalidateAllFrom(StationID sid)
{
CargoPacket *cp;
FOR_ALL_CARGOPACKETS(cp) {
if (cp->source == sid) cp->source_id = INVALID_SOURCE;
}
}
/*
*
* Cargo list implementation
*
*/
template <class Tinst>
CargoList<Tinst>::~CargoList()
{
while (!this->packets.empty()) {
delete this->packets.front();
this->packets.pop_front();
}
}
template <class Tinst>
void CargoList<Tinst>::RemoveFromCache(const CargoPacket *cp)
{
this->count -= cp->count;
this->feeder_share -= cp->feeder_share;
this->cargo_days_in_transit -= cp->days_in_transit * cp->count;
}
template <class Tinst>
void CargoList<Tinst>::AddToCache(const CargoPacket *cp)
{
this->count += cp->count;
this->feeder_share += cp->feeder_share;
this->cargo_days_in_transit += cp->days_in_transit * cp->count;
}
void VehicleCargoList::AgeCargo()
{
for (List::const_iterator it = this->packets.begin(); it != this->packets.end(); it++) {
/* If we're at the maximum, then we can't increase no more. */
if ((*it)->days_in_transit == 0xFF) continue;
(*it)->days_in_transit++;
this->cargo_days_in_transit += (*it)->count;
}
}
template <class Tinst>
void CargoList<Tinst>::Append(CargoPacket *cp)
{
assert(cp != NULL);
for (List::iterator it = this->packets.begin(); it != this->packets.end(); it++) {
CargoPacket *icp = *it;
if (Tinst::AreMergable(icp, cp) && icp->count + cp->count <= CargoPacket::MAX_COUNT) {
icp->count += cp->count;
icp->feeder_share += cp->feeder_share;
this->AddToCache(cp);
delete cp;
return;
}
}
/* The packet could not be merged with another one */
this->packets.push_back(cp);
this->AddToCache(cp);
}
template <class Tinst>
void CargoList<Tinst>::Truncate(uint max_remaining)
{
for (List::iterator it = packets.begin(); it != packets.end(); /* done during loop*/) {
CargoPacket *cp = *it;
if (max_remaining == 0) {
/* Nothing should remain, just remove the packets. */
packets.erase(it++);
this->RemoveFromCache(cp);
delete cp;
continue;
}
uint local_count = cp->count;
if (local_count > max_remaining) {
uint diff = local_count - max_remaining;
this->count -= diff;
this->cargo_days_in_transit -= cp->days_in_transit * diff;
cp->count = max_remaining;
max_remaining = 0;
} else {
max_remaining -= local_count;
}
++it;
}
}
template <class Tinst>
template <class Tother_inst>
bool CargoList<Tinst>::MoveTo(Tother_inst *dest, uint max_move, CargoList::MoveToAction mta, CargoPayment *payment, uint data)
{
assert(mta == MTA_FINAL_DELIVERY || dest != NULL);
assert(mta == MTA_UNLOAD || mta == MTA_CARGO_LOAD || payment != NULL);
List::iterator it = packets.begin();
while (it != packets.end() && max_move > 0) {
CargoPacket *cp = *it;
if (cp->source == data && mta == MTA_FINAL_DELIVERY) {
/* Skip cargo that originated from this station. */
++it;
continue;
}
if (cp->count <= max_move) {
/* Can move the complete packet */
max_move -= cp->count;
this->packets.erase(it++);
this->RemoveFromCache(cp);
switch(mta) {
case MTA_FINAL_DELIVERY:
payment->PayFinalDelivery(cp, cp->count);
delete cp;
continue; // of the loop
case MTA_CARGO_LOAD:
cp->loaded_at_xy = data;
break;
case MTA_TRANSFER:
cp->feeder_share += payment->PayTransfer(cp, cp->count);
break;
case MTA_UNLOAD:
break;
}
dest->Append(cp);
continue;
}
/* Can move only part of the packet */
if (mta == MTA_FINAL_DELIVERY) {
/* Final delivery doesn't need package splitting. */
payment->PayFinalDelivery(cp, max_move);
this->count -= max_move;
this->cargo_days_in_transit -= max_move * cp->days_in_transit;
/* Final delivery payment pays the feeder share, so we have to
* reset that so it is not 'shown' twice for partial unloads. */
this->feeder_share -= cp->feeder_share;
cp->feeder_share = 0;
} else {
/* But... the rest needs package splitting. */
Money fs = cp->feeder_share * max_move / static_cast<uint>(cp->count);
cp->feeder_share -= fs;
CargoPacket *cp_new = new CargoPacket(max_move, cp->days_in_transit, fs, cp->source_type, cp->source_id);
cp_new->source = cp->source;
cp_new->source_xy = cp->source_xy;
cp_new->loaded_at_xy = (mta == MTA_CARGO_LOAD) ? data : cp->loaded_at_xy;
this->RemoveFromCache(cp_new); // this reflects the changes in cp.
if (mta == MTA_TRANSFER) {
/* Add the feeder share before inserting in dest. */
cp_new->feeder_share += payment->PayTransfer(cp_new, max_move);
}
dest->Append(cp_new);
}
cp->count -= max_move;
max_move = 0;
}
return it != packets.end();
}
template <class Tinst>
void CargoList<Tinst>::InvalidateCache()
{
this->count = 0;
this->feeder_share = 0;
this->cargo_days_in_transit = 0;
for (List::const_iterator it = this->packets.begin(); it != this->packets.end(); it++) {
this->AddToCache(*it);
}
}
/*
* We have to instantiate everything we want to be usable.
*/
template class CargoList<VehicleCargoList>;
template class CargoList<StationCargoList>;
/** Autoreplace Vehicle -> Vehicle 'transfer' */
template bool CargoList<VehicleCargoList>::MoveTo(VehicleCargoList *, uint max_move, MoveToAction mta, CargoPayment *payment, uint data);
/** Cargo unloading at a station */
template bool CargoList<VehicleCargoList>::MoveTo(StationCargoList *, uint max_move, MoveToAction mta, CargoPayment *payment, uint data);
/** Cargo loading at a station */
template bool CargoList<StationCargoList>::MoveTo(VehicleCargoList *, uint max_move, MoveToAction mta, CargoPayment *payment, uint data);
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