Files @ r15321:b66ded98380f
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Location: cpp/openttd-patchpack/source/src/saveload/economy_sl.cpp

frosch
(svn r19972) -Change: Use the md5sum from the previous save of the game for BaNaNaS instead of the initial (when the grf was added) md5sum from the gamelog. Neither method is 'better', but this way it is independent from the gamelog.
/* $Id$ */

/*
 * 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 economy_sl.cpp Code handling saving and loading of economy data */

#include "../stdafx.h"
#include "../economy_func.h"
#include "../economy_base.h"

#include "saveload.h"

/** Prices in pre 126 savegames */
static void Load_PRIC()
{
	/* Old games store 49 base prices, very old games store them as int32 */
	int vt = CheckSavegameVersion(65) ? SLE_FILE_I32 : SLE_FILE_I64;
	SlArray(NULL, 49, vt | SLE_VAR_NULL);
	SlArray(NULL, 49, SLE_FILE_U16 | SLE_VAR_NULL);
}

/** Cargo payment rates in pre 126 savegames */
static void Load_CAPR()
{
	uint num_cargo = CheckSavegameVersion(55) ? 12 : NUM_CARGO;
	int vt = CheckSavegameVersion(65) ? SLE_FILE_I32 : SLE_FILE_I64;
	SlArray(NULL, num_cargo, vt | SLE_VAR_NULL);
	SlArray(NULL, num_cargo, SLE_FILE_U16 | SLE_VAR_NULL);
}

static const SaveLoad _economy_desc[] = {
	SLE_CONDNULL(4,                                                                  0, 64),             // max_loan
	SLE_CONDNULL(8,                                                                 65, SL_MAX_VERSION), // max_loan
	SLE_CONDVAR(Economy, old_max_loan_unround,          SLE_FILE_I32 | SLE_VAR_I64,  0, 64),
	SLE_CONDVAR(Economy, old_max_loan_unround,          SLE_INT64,                  65, 125),
	SLE_CONDVAR(Economy, old_max_loan_unround_fract,    SLE_UINT16,                 70, 125),
	SLE_CONDVAR(Economy, inflation_prices,              SLE_UINT64,                126, SL_MAX_VERSION),
	SLE_CONDVAR(Economy, inflation_payment,             SLE_UINT64,                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,                102, SL_MAX_VERSION),
	    SLE_END()
};

/** Economy variables */
static void Save_ECMY()
{
	SlObject(&_economy, _economy_desc);
}

/** Economy variables */
static void Load_ECMY()
{
	SlObject(&_economy, _economy_desc);
	StartupIndustryDailyChanges(CheckSavegameVersion(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_END()
};

static void Save_CAPY()
{
	CargoPayment *cp;
	FOR_ALL_CARGO_PAYMENTS(cp) {
		SlSetArrayIndex(cp->index);
		SlObject(cp, _cargopayment_desc);
	}
}

static void Load_CAPY()
{
	int index;

	while ((index = SlIterateArray()) != -1) {
		CargoPayment *cp = new (index) CargoPayment();
		SlObject(cp, _cargopayment_desc);
	}
}

static void Ptrs_CAPY()
{
	CargoPayment *cp;
	FOR_ALL_CARGO_PAYMENTS(cp) {
		SlObject(cp, _cargopayment_desc);
	}
}


extern const ChunkHandler _economy_chunk_handlers[] = {
	{ 'CAPY', Save_CAPY,     Load_CAPY,     Ptrs_CAPY, CH_ARRAY},
	{ 'PRIC', NULL,          Load_PRIC,     NULL,      CH_RIFF | CH_AUTO_LENGTH},
	{ 'CAPR', NULL,          Load_CAPR,     NULL,      CH_RIFF | CH_AUTO_LENGTH},
	{ 'ECMY', Save_ECMY,     Load_ECMY,     NULL,      CH_RIFF | CH_LAST},
};