mirror of https://github.com/OpenTTD/OpenTTD.git
136 lines
4.6 KiB
C++
136 lines
4.6 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file economy_sl.cpp Code handling saving and loading of economy data */
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#include "../stdafx.h"
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#include "saveload.h"
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#include "compat/economy_sl_compat.h"
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#include "../economy_func.h"
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#include "../economy_base.h"
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#include "../safeguards.h"
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/** Prices in pre 126 savegames */
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struct PRICChunkHandler : ChunkHandler {
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PRICChunkHandler() : ChunkHandler('PRIC', CH_READONLY) {}
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void Load() const override
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{
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/* Old games store 49 base prices, very old games store them as int32_t */
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int vt = IsSavegameVersionBefore(SLV_65) ? SLE_FILE_I32 : SLE_FILE_I64;
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SlCopy(nullptr, 49, vt | SLE_VAR_NULL);
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SlCopy(nullptr, 49, SLE_FILE_U16 | SLE_VAR_NULL);
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}
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};
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/** Cargo payment rates in pre 126 savegames */
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struct CAPRChunkHandler : ChunkHandler {
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CAPRChunkHandler() : ChunkHandler('CAPR', CH_READONLY) {}
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void Load() const override
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{
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uint num_cargo = IsSavegameVersionBefore(SLV_55) ? 12 : IsSavegameVersionBefore(SLV_EXTEND_CARGOTYPES) ? 32 : NUM_CARGO;
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int vt = IsSavegameVersionBefore(SLV_65) ? SLE_FILE_I32 : SLE_FILE_I64;
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SlCopy(nullptr, num_cargo, vt | SLE_VAR_NULL);
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SlCopy(nullptr, num_cargo, SLE_FILE_U16 | SLE_VAR_NULL);
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}
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};
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static const SaveLoad _economy_desc[] = {
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SLE_CONDVAR(Economy, old_max_loan_unround, SLE_FILE_I32 | SLE_VAR_I64, SL_MIN_VERSION, SLV_65),
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SLE_CONDVAR(Economy, old_max_loan_unround, SLE_INT64, SLV_65, SLV_126),
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SLE_CONDVAR(Economy, old_max_loan_unround_fract, SLE_UINT16, SLV_70, SLV_126),
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SLE_CONDVAR(Economy, inflation_prices, SLE_UINT64, SLV_126, SL_MAX_VERSION),
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SLE_CONDVAR(Economy, inflation_payment, SLE_UINT64, SLV_126, SL_MAX_VERSION),
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SLE_VAR(Economy, fluct, SLE_INT16),
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SLE_VAR(Economy, interest_rate, SLE_UINT8),
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SLE_VAR(Economy, infl_amount, SLE_UINT8),
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SLE_VAR(Economy, infl_amount_pr, SLE_UINT8),
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SLE_CONDVAR(Economy, industry_daily_change_counter, SLE_UINT32, SLV_102, SL_MAX_VERSION),
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};
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/** Economy variables */
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struct ECMYChunkHandler : ChunkHandler {
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ECMYChunkHandler() : ChunkHandler('ECMY', CH_TABLE) {}
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void Save() const override
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{
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SlTableHeader(_economy_desc);
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SlSetArrayIndex(0);
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SlObject(&_economy, _economy_desc);
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}
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void Load() const override
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{
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const std::vector<SaveLoad> slt = SlCompatTableHeader(_economy_desc, _economy_sl_compat);
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if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
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SlObject(&_economy, slt);
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if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many ECMY entries");
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StartupIndustryDailyChanges(IsSavegameVersionBefore(SLV_102)); // old savegames will need to be initialized
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}
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};
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static const SaveLoad _cargopayment_desc[] = {
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SLE_REF(CargoPayment, front, REF_VEHICLE),
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SLE_VAR(CargoPayment, route_profit, SLE_INT64),
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SLE_VAR(CargoPayment, visual_profit, SLE_INT64),
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SLE_CONDVAR(CargoPayment, visual_transfer, SLE_INT64, SLV_181, SL_MAX_VERSION),
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};
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struct CAPYChunkHandler : ChunkHandler {
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CAPYChunkHandler() : ChunkHandler('CAPY', CH_TABLE) {}
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void Save() const override
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{
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SlTableHeader(_cargopayment_desc);
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for (CargoPayment *cp : CargoPayment::Iterate()) {
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SlSetArrayIndex(cp->index);
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SlObject(cp, _cargopayment_desc);
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}
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}
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void Load() const override
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{
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const std::vector<SaveLoad> slt = SlCompatTableHeader(_cargopayment_desc, _cargopayment_sl_compat);
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int index;
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while ((index = SlIterateArray()) != -1) {
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CargoPayment *cp = new (index) CargoPayment();
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SlObject(cp, slt);
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}
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}
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void FixPointers() const override
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{
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for (CargoPayment *cp : CargoPayment::Iterate()) {
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SlObject(cp, _cargopayment_desc);
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}
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}
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};
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static const CAPYChunkHandler CAPY;
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static const PRICChunkHandler PRIC;
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static const CAPRChunkHandler CAPR;
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static const ECMYChunkHandler ECMY;
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static const ChunkHandlerRef economy_chunk_handlers[] = {
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CAPY,
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PRIC,
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CAPR,
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ECMY,
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};
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extern const ChunkHandlerTable _economy_chunk_handlers(economy_chunk_handlers);
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