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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 economy_sl.cpp Code handling saving and loading of economy data */
#include "../stdafx.h"
#include "saveload.h"
#include "compat/economy_sl_compat.h"
#include "../economy_func.h"
#include "../economy_base.h"
#include "../safeguards.h"
/** Prices in pre 126 savegames */
struct PRICChunkHandler : ChunkHandler {
PRICChunkHandler() : ChunkHandler('PRIC', CH_READONLY) {}
void Load() const override
{
/* Old games store 49 base prices, very old games store them as int32 */
int vt = IsSavegameVersionBefore(SLV_65) ? SLE_FILE_I32 : SLE_FILE_I64;
SlCopy(nullptr, 49, vt | SLE_VAR_NULL);
SlCopy(nullptr, 49, SLE_FILE_U16 | SLE_VAR_NULL);
}
};
/** Cargo payment rates in pre 126 savegames */
struct CAPRChunkHandler : ChunkHandler {
CAPRChunkHandler() : ChunkHandler('CAPR', CH_READONLY) {}
void Load() const override
{
uint num_cargo = IsSavegameVersionBefore(SLV_55) ? 12 : IsSavegameVersionBefore(SLV_EXTEND_CARGOTYPES) ? 32 : NUM_CARGO;
int vt = IsSavegameVersionBefore(SLV_65) ? SLE_FILE_I32 : SLE_FILE_I64;
SlCopy(nullptr, num_cargo, vt | SLE_VAR_NULL);
SlCopy(nullptr, num_cargo, SLE_FILE_U16 | SLE_VAR_NULL);
}
};
static const SaveLoad _economy_desc[] = {
SLE_CONDVAR(Economy, old_max_loan_unround, SLE_FILE_I32 | SLE_VAR_I64, SL_MIN_VERSION, SLV_65),
SLE_CONDVAR(Economy, old_max_loan_unround, SLE_INT64, SLV_65, SLV_126),
SLE_CONDVAR(Economy, old_max_loan_unround_fract, SLE_UINT16, SLV_70, SLV_126),
SLE_CONDVAR(Economy, inflation_prices, SLE_UINT64, SLV_126, SL_MAX_VERSION),
SLE_CONDVAR(Economy, inflation_payment, SLE_UINT64, SLV_126, SL_MAX_VERSION),
SLE_VAR(Economy, fluct, SLE_INT16),
SLE_VAR(Economy, interest_rate, SLE_UINT8),
SLE_VAR(Economy, infl_amount, SLE_UINT8),
SLE_VAR(Economy, infl_amount_pr, SLE_UINT8),
SLE_CONDVAR(Economy, industry_daily_change_counter, SLE_UINT32, SLV_102, SL_MAX_VERSION),
};
/** Economy variables */
struct ECMYChunkHandler : ChunkHandler {
ECMYChunkHandler() : ChunkHandler('ECMY', CH_TABLE) {}
void Save() const override
{
SlTableHeader(_economy_desc);
SlSetArrayIndex(0);
SlObject(&_economy, _economy_desc);
}
void Load() const override
{
const std::vector<SaveLoad> slt = SlCompatTableHeader(_economy_desc, _economy_sl_compat);
if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
SlObject(&_economy, slt);
if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many ECMY entries");
StartupIndustryDailyChanges(IsSavegameVersionBefore(SLV_102)); // old savegames will need to be initialized
}
};
static const SaveLoad _cargopayment_desc[] = {
SLE_REF(CargoPayment, front, REF_VEHICLE),
SLE_VAR(CargoPayment, route_profit, SLE_INT64),
SLE_VAR(CargoPayment, visual_profit, SLE_INT64),
SLE_CONDVAR(CargoPayment, visual_transfer, SLE_INT64, SLV_181, SL_MAX_VERSION),
};
struct CAPYChunkHandler : ChunkHandler {
CAPYChunkHandler() : ChunkHandler('CAPY', CH_TABLE) {}
void Save() const override
{
SlTableHeader(_cargopayment_desc);
for (CargoPayment *cp : CargoPayment::Iterate()) {
SlSetArrayIndex(cp->index);
SlObject(cp, _cargopayment_desc);
}
}
void Load() const override
{
const std::vector<SaveLoad> slt = SlCompatTableHeader(_cargopayment_desc, _cargopayment_sl_compat);
int index;
while ((index = SlIterateArray()) != -1) {
CargoPayment *cp = new (index) CargoPayment();
SlObject(cp, slt);
}
}
void FixPointers() const override
{
for (CargoPayment *cp : CargoPayment::Iterate()) {
SlObject(cp, _cargopayment_desc);
}
}
};
static const CAPYChunkHandler CAPY;
static const PRICChunkHandler PRIC;
static const CAPRChunkHandler CAPR;
static const ECMYChunkHandler ECMY;
static const ChunkHandlerRef economy_chunk_handlers[] = {
CAPY,
PRIC,
CAPR,
ECMY,
};
extern const ChunkHandlerTable _economy_chunk_handlers(economy_chunk_handlers);
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