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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 newgrf_sl.cpp Code handling saving and loading of newgrf config */
#include "../stdafx.h"
#include "../fios.h"
#include "saveload.h"
#include "newgrf_sl.h"
#include "../safeguards.h"
/** Save and load the mapping between a spec and the NewGRF it came from. */
static const SaveLoad _newgrf_mapping_desc[] = {
SLE_VAR(EntityIDMapping, grfid, SLE_UINT32),
SLE_VAR(EntityIDMapping, entity_id, SLE_UINT8),
SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT8),
SLE_END()
};
/**
* Save a GRF ID + local id -> OpenTTD's id mapping.
* @param mapping The mapping to save.
*/
void Save_NewGRFMapping(const OverrideManagerBase &mapping)
{
for (uint i = 0; i < mapping.GetMaxMapping(); i++) {
if (mapping.mapping_ID[i].grfid == 0 &&
mapping.mapping_ID[i].entity_id == 0) continue;
SlSetArrayIndex(i);
SlObject(&mapping.mapping_ID[i], _newgrf_mapping_desc);
}
}
/**
* Load a GRF ID + local id -> OpenTTD's id mapping.
* @param mapping The mapping to load.
*/
void Load_NewGRFMapping(OverrideManagerBase &mapping)
{
/* Clear the current mapping stored.
* This will create the manager if ever it is not yet done */
mapping.ResetMapping();
uint max_id = mapping.GetMaxMapping();
int index;
while ((index = SlIterateArray()) != -1) {
if ((uint)index >= max_id) SlErrorCorrupt("Too many NewGRF entity mappings");
SlObject(&mapping.mapping_ID[index], _newgrf_mapping_desc);
}
}
static const SaveLoad _grfconfig_desc[] = {
SLE_STR(GRFConfig, filename, SLE_STR, 0x40),
SLE_VAR(GRFConfig, ident.grfid, SLE_UINT32),
SLE_ARR(GRFConfig, ident.md5sum, SLE_UINT8, 16),
SLE_CONDVAR(GRFConfig, version, SLE_UINT32, SLV_151, SL_MAX_VERSION),
SLE_ARR(GRFConfig, param, SLE_UINT32, 0x80),
SLE_VAR(GRFConfig, num_params, SLE_UINT8),
SLE_CONDVAR(GRFConfig, palette, SLE_UINT8, SLV_101, SL_MAX_VERSION),
SLE_END()
};
static void Save_NGRF()
{
int index = 0;
for (GRFConfig *c = _grfconfig; c != nullptr; c = c->next) {
if (HasBit(c->flags, GCF_STATIC)) continue;
SlSetArrayIndex(index++);
SlObject(c, _grfconfig_desc);
}
}
static void Load_NGRF_common(GRFConfig *&grfconfig)
{
ClearGRFConfigList(&grfconfig);
while (SlIterateArray() != -1) {
GRFConfig *c = new GRFConfig();
SlObject(c, _grfconfig_desc);
if (IsSavegameVersionBefore(SLV_101)) c->SetSuitablePalette();
AppendToGRFConfigList(&grfconfig, c);
}
}
static void Load_NGRF()
{
Load_NGRF_common(_grfconfig);
if (_game_mode == GM_MENU) {
/* Intro game must not have NewGRF. */
if (_grfconfig != nullptr) SlErrorCorrupt("The intro game must not use NewGRF");
/* Activate intro NewGRFs (townnames) */
ResetGRFConfig(false);
} else {
/* Append static NewGRF configuration */
AppendStaticGRFConfigs(&_grfconfig);
}
}
static void Check_NGRF()
{
Load_NGRF_common(_load_check_data.grfconfig);
}
extern const ChunkHandler _newgrf_chunk_handlers[] = {
{ 'NGRF', Save_NGRF, Load_NGRF, nullptr, Check_NGRF, CH_ARRAY | CH_LAST }
};
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