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127 lines
4.2 KiB
C++
127 lines
4.2 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 newgrf_sl.cpp Code handling saving and loading of newgrf config */
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#include "../stdafx.h"
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#include "../fios.h"
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#include "../string_func.h"
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#include "saveload.h"
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#include "newgrf_sl.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_VAR(EntityIDMapping, entity_id, SLE_UINT8),
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SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT8),
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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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* @param mapping The mapping to save.
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*/
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void Save_NewGRFMapping(const OverrideManagerBase &mapping)
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{
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for (uint i = 0; i < mapping.GetMaxMapping(); i++) {
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if (mapping.mappings[i].grfid == 0 &&
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mapping.mappings[i].entity_id == 0) continue;
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SlSetArrayIndex(i);
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SlSetLength(4 + 1 + 1);
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SlObjectSaveFiltered(const_cast<EntityIDMapping *>(&mapping.mappings[i]), _newgrf_mapping_desc); // _newgrf_mapping_desc has no conditionals
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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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* @param mapping The mapping to load.
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*/
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void Load_NewGRFMapping(OverrideManagerBase &mapping)
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{
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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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mapping.ResetMapping();
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uint max_id = mapping.GetMaxMapping();
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int index;
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while ((index = SlIterateArray()) != -1) {
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if (unlikely((uint)index >= max_id)) SlErrorCorrupt("Too many NewGRF entity mappings");
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SlObjectLoadFiltered(&mapping.mappings[index], _newgrf_mapping_desc); // _newgrf_mapping_desc has no conditionals
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}
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}
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static std::string _grf_name;
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static const SaveLoad _grfconfig_desc[] = {
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SLE_STR(GRFConfig, filename, SLE_STR, 0x40),
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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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SLEG_CONDSSTR_X(_grf_name, 0, SL_MIN_VERSION, SL_MAX_VERSION, SlXvFeatureTest(XSLFTO_AND, XSLFI_NEWGRF_INFO_EXTRA)),
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};
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static void Save_NGRF()
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{
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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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_grf_name = str_strip_all_scc(GetDefaultLangGRFStringFromGRFText(c->name));
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SlObject(c, _grfconfig_desc);
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}
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}
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static void Load_NGRF_common(GRFConfig *&grfconfig)
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{
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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, _grfconfig_desc);
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if (SlXvIsFeaturePresent(XSLFI_NEWGRF_INFO_EXTRA)) {
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AddGRFTextToList(c->name, 0x7F, c->ident.grfid, false, _grf_name.c_str());
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}
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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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static void Load_NGRF()
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{
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Load_NGRF_common(_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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static void Check_NGRF()
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{
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Load_NGRF_common(_load_check_data.grfconfig);
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}
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static const ChunkHandler newgrf_chunk_handlers[] = {
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{ 'NGRF', Save_NGRF, Load_NGRF, nullptr, Check_NGRF, CH_ARRAY }
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};
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extern const ChunkHandlerTable _newgrf_chunk_handlers(newgrf_chunk_handlers);
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