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/*
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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 newgrf_sl.cpp Code handling saving and loading of newgrf config */
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#include "../stdafx.h"
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#include "saveload.h"
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#include "compat/newgrf_sl_compat.h"
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#include "newgrf_sl.h"
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#include "../fios.h"
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#include "../safeguards.h"
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/** Save and load the mapping between a spec and the NewGRF it came from. */
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static const SaveLoad _newgrf_mapping_desc[] = {
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SLE_VAR(EntityIDMapping, grfid, SLE_UINT32),
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SLE_CONDVAR(EntityIDMapping, entity_id, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_EXTEND_ENTITY_MAPPING),
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SLE_CONDVAR(EntityIDMapping, entity_id, SLE_UINT16, SLV_EXTEND_ENTITY_MAPPING, SL_MAX_VERSION),
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SLE_CONDVAR(EntityIDMapping, substitute_id, SLE_FILE_U8 | SLE_VAR_U16, SL_MIN_VERSION, SLV_EXTEND_ENTITY_MAPPING),
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SLE_CONDVAR(EntityIDMapping, substitute_id, SLE_UINT16, SLV_EXTEND_ENTITY_MAPPING, SL_MAX_VERSION),
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};
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/**
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* Save a GRF ID + local id -> OpenTTD's id mapping.
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*/
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void NewGRFMappingChunkHandler::Save() const
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{
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SlTableHeader(_newgrf_mapping_desc);
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for (uint i = 0; i < this->mapping.GetMaxMapping(); i++) {
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if (this->mapping.mappings[i].grfid == 0 &&
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this->mapping.mappings[i].entity_id == 0) continue;
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SlSetArrayIndex(i);
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SlObject(&this->mapping.mappings[i], _newgrf_mapping_desc);
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}
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}
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/**
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* Load a GRF ID + local id -> OpenTTD's id mapping.
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*/
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void NewGRFMappingChunkHandler::Load() const
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{
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const std::vector<SaveLoad> slt = SlCompatTableHeader(_newgrf_mapping_desc, _newgrf_mapping_sl_compat);
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/* Clear the current mapping stored.
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* This will create the manager if ever it is not yet done */
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this->mapping.ResetMapping();
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uint max_id = this->mapping.GetMaxMapping();
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int index;
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while ((index = SlIterateArray()) != -1) {
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if ((uint)index >= max_id) SlErrorCorrupt("Too many NewGRF entity mappings");
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SlObject(&this->mapping.mappings[index], slt);
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}
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}
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static const SaveLoad _grfconfig_desc[] = {
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SLE_SSTR(GRFConfig, filename, SLE_STR),
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SLE_VAR(GRFConfig, ident.grfid, SLE_UINT32),
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SLE_ARR(GRFConfig, ident.md5sum, SLE_UINT8, 16),
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SLE_CONDVAR(GRFConfig, version, SLE_UINT32, SLV_151, SL_MAX_VERSION),
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SLE_ARR(GRFConfig, param, SLE_UINT32, 0x80),
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SLE_VAR(GRFConfig, num_params, SLE_UINT8),
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SLE_CONDVAR(GRFConfig, palette, SLE_UINT8, SLV_101, SL_MAX_VERSION),
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};
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struct NGRFChunkHandler : ChunkHandler {
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NGRFChunkHandler() : ChunkHandler('NGRF', CH_TABLE) {}
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void Save() const override
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{
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SlTableHeader(_grfconfig_desc);
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int index = 0;
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for (GRFConfig *c = _grfconfig; c != nullptr; c = c->next) {
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if (HasBit(c->flags, GCF_STATIC) || HasBit(c->flags, GCF_INIT_ONLY)) continue;
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SlSetArrayIndex(index++);
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SlObject(c, _grfconfig_desc);
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}
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}
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void LoadCommon(GRFConfig *&grfconfig) const
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{
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const std::vector<SaveLoad> slt = SlCompatTableHeader(_grfconfig_desc, _grfconfig_sl_compat);
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ClearGRFConfigList(&grfconfig);
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while (SlIterateArray() != -1) {
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GRFConfig *c = new GRFConfig();
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SlObject(c, slt);
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if (IsSavegameVersionBefore(SLV_101)) c->SetSuitablePalette();
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AppendToGRFConfigList(&grfconfig, c);
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}
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}
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void Load() const override
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{
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this->LoadCommon(_grfconfig);
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if (_game_mode == GM_MENU) {
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/* Intro game must not have NewGRF. */
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if (_grfconfig != nullptr) SlErrorCorrupt("The intro game must not use NewGRF");
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/* Activate intro NewGRFs (townnames) */
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ResetGRFConfig(false);
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} else {
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/* Append static NewGRF configuration */
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AppendStaticGRFConfigs(&_grfconfig);
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}
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}
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void LoadCheck(size_t) const override
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{
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this->LoadCommon(_load_check_data.grfconfig);
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}
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};
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static const NGRFChunkHandler NGRF;
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static const ChunkHandlerRef newgrf_chunk_handlers[] = {
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NGRF,
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};
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extern const ChunkHandlerTable _newgrf_chunk_handlers(newgrf_chunk_handlers);
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