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/* $Id$ */
/*
* 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 cargodest_sl.cpp Code handling saving and loading of cargo destinations. */
#include "../stdafx.h"
#include "../cargodest_base.h"
#include "../town.h"
#include "../industry.h"
#include "saveload.h"
static uint32 _cargolink_uint;
static const SaveLoadGlobVarList _cargolink_uint_desc[] = {
SLEG_VAR(_cargolink_uint, SLE_UINT32),
SLEG_END()
};
static const SaveLoad _cargolink_desc[] = {
SLE_VAR(CargoLink, amount.old_max, SLE_UINT32),
SLE_VAR(CargoLink, amount.new_max, SLE_UINT32),
SLE_VAR(CargoLink, amount.old_act, SLE_UINT32),
SLE_VAR(CargoLink, amount.new_act, SLE_UINT32),
SLE_VAR(CargoLink, weight, SLE_UINT32),
SLE_VAR(CargoLink, weight_mod, SLE_UINT8),
SLE_END()
};
void CargoSourceSink::SaveCargoSourceSink()
{
if (IsSavegameVersionBefore(180)) return;
static const SaveLoad _cargosourcesink_desc[] = {
SLE_ARR(CargoSourceSink, cargo_links_weight, SLE_UINT32, NUM_CARGO),
SLE_END()
};
SlObject(this, _cargosourcesink_desc);
for (uint cid = 0; cid < lengthof(this->cargo_links); cid++) {
_cargolink_uint = this->cargo_links[cid].Length();
SlObject(NULL, _cargolink_uint_desc);
for (CargoLink *l = this->cargo_links[cid].Begin(); l != this->cargo_links[cid].End(); l++) {
SourceID dest = INVALID_SOURCE;
SourceTypeByte type;
type = ST_TOWN;
if (l->dest != NULL) {
type = l->dest->GetType();
dest = l->dest->GetID();
}
/* Pack type and destination index into temp variable. */
assert_compile(sizeof(SourceID) <= 3);
_cargolink_uint = type | (dest << 8);
SlGlobList(_cargolink_uint_desc);
SlObject(l, _cargolink_desc);
}
}
}
void CargoSourceSink::LoadCargoSourceSink()
{
if (IsSavegameVersionBefore(180)) return;
static const SaveLoad _cargosourcesink_desc[] = {
SLE_ARR(CargoSourceSink, cargo_links_weight, SLE_UINT32, NUM_CARGO),
SLE_END()
};
SlObject(this, _cargosourcesink_desc);
for (uint cid = 0; cid < lengthof(this->cargo_links); cid++) {
/* Remove links created by constructors. */
this->cargo_links[cid].Clear();
/* Read vector length and allocate storage. */
SlObject(NULL, _cargolink_uint_desc);
this->cargo_links[cid].Append(_cargolink_uint);
for (CargoLink *l = this->cargo_links[cid].Begin(); l != this->cargo_links[cid].End(); l++) {
/* Read packed type and dest and store in dest pointer. */
SlGlobList(_cargolink_uint_desc);
*(size_t*)&l->dest = _cargolink_uint;
SlObject(l, _cargolink_desc);
}
}
}
void CargoSourceSink::PtrsCargoSourceSink()
{
if (IsSavegameVersionBefore(180)) return;
for (uint cid = 0; cid < lengthof(this->cargo_links); cid++) {
for (CargoLink *l = this->cargo_links[cid].Begin(); l != this->cargo_links[cid].End(); l++) {
/* Extract type and destination index. */
SourceType type = (SourceType)((size_t)l->dest & 0xFF);
SourceID dest = (SourceID)((size_t)l->dest >> 8);
/* Resolve index. */
l->dest = NULL;
if (dest != INVALID_SOURCE) {
switch (type) {
case ST_TOWN:
if (!Town::IsValidID(dest)) SlErrorCorrupt("Invalid cargo link destination");
l->dest = Town::Get(dest);
break;
case ST_INDUSTRY:
if (!Industry::IsValidID(dest)) SlErrorCorrupt("Invalid cargo link destination");
l->dest = Industry::Get(dest);
break;
default:
SlErrorCorrupt("Invalid cargo link destination type");
}
}
}
}
}
/**
* Wrapper function to get the RouteLinks's internal structure while
* some of the variables itself are private.
* @return The SaveLoad description for RouteLinks.
*/
const SaveLoad *GetRouteLinkDescription()
{
static const SaveLoad _routelink_desc[] = {
SLE_VAR(RouteLink, dest, SLE_UINT16),
SLE_VAR(RouteLink, prev_order, SLE_UINT16),
SLE_VAR(RouteLink, next_order, SLE_UINT16),
SLE_VAR(RouteLink, owner, SLE_UINT8),
SLE_VAR(RouteLink, vtype, SLE_UINT8),
SLE_VAR(RouteLink, travel_time, SLE_UINT32),
SLE_VAR(RouteLink, wait_time, SLE_UINT16),
SLE_END()
};
return _routelink_desc;
}
/** Save the RouteLink chunk. */
static void Save_RTLN()
{
RouteLink *link;
FOR_ALL_ROUTELINKS(link) {
SlSetArrayIndex(link->index);
SlObject(link, GetRouteLinkDescription());
}
}
/** Load the RouteLink chunk. */
static void Load_RTLN()
{
int index;
while ((index = SlIterateArray()) != -1) {
RouteLink *link = new (index) RouteLink();
SlObject(link, GetRouteLinkDescription());
}
}
/** Resolve references after loading the RouteLink chunk. */
static void Ptrs_RTLN()
{
RouteLink *link;
FOR_ALL_ROUTELINKS(link) {
SlObject(link, GetRouteLinkDescription());
}
}
extern const ChunkHandler _routelink_chunk_handlers[] = {
{ 'RTLN', Save_RTLN, Load_RTLN, Ptrs_RTLN, NULL, CH_ARRAY | CH_LAST},
};
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