newgrf_sl.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #include "../stdafx.h"
00013 #include "../fios.h"
00014 
00015 #include "saveload.h"
00016 #include "newgrf_sl.h"
00017 
00019 static const SaveLoad _newgrf_mapping_desc[] = {
00020   SLE_VAR(EntityIDMapping, grfid,         SLE_UINT32),
00021   SLE_VAR(EntityIDMapping, entity_id,     SLE_UINT8),
00022   SLE_VAR(EntityIDMapping, substitute_id, SLE_UINT8),
00023   SLE_END()
00024 };
00025 
00030 void Save_NewGRFMapping(const OverrideManagerBase &mapping)
00031 {
00032   for (uint i = 0; i < mapping.GetMaxMapping(); i++) {
00033     SlSetArrayIndex(i);
00034     SlObject(&mapping.mapping_ID[i], _newgrf_mapping_desc);
00035   }
00036 }
00037 
00042 void Load_NewGRFMapping(OverrideManagerBase &mapping)
00043 {
00044   /* Clear the current mapping stored.
00045    * This will create the manager if ever it is not yet done */
00046   mapping.ResetMapping();
00047 
00048   uint max_id = mapping.GetMaxMapping();
00049 
00050   int index;
00051   while ((index = SlIterateArray()) != -1) {
00052     if ((uint)index >= max_id) break;
00053     SlObject(&mapping.mapping_ID[index], _newgrf_mapping_desc);
00054   }
00055 }
00056 
00057 
00058 static const SaveLoad _grfconfig_desc[] = {
00059       SLE_STR(GRFConfig, filename,         SLE_STR,    0x40),
00060       SLE_VAR(GRFConfig, ident.grfid,      SLE_UINT32),
00061       SLE_ARR(GRFConfig, ident.md5sum,     SLE_UINT8,  16),
00062   SLE_CONDVAR(GRFConfig, version,          SLE_UINT32, 151, SL_MAX_VERSION),
00063       SLE_ARR(GRFConfig, param,            SLE_UINT32, 0x80),
00064       SLE_VAR(GRFConfig, num_params,       SLE_UINT8),
00065   SLE_CONDVAR(GRFConfig, palette,          SLE_UINT8,  101, SL_MAX_VERSION),
00066   SLE_END()
00067 };
00068 
00069 
00070 static void Save_NGRF()
00071 {
00072   int index = 0;
00073 
00074   for (GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
00075     if (HasBit(c->flags, GCF_STATIC)) continue;
00076     SlSetArrayIndex(index++);
00077     SlObject(c, _grfconfig_desc);
00078   }
00079 }
00080 
00081 
00082 static void Load_NGRF_common(GRFConfig *&grfconfig)
00083 {
00084   ClearGRFConfigList(&grfconfig);
00085   while (SlIterateArray() != -1) {
00086     GRFConfig *c = new GRFConfig();
00087     SlObject(c, _grfconfig_desc);
00088     if (IsSavegameVersionBefore(101)) c->SetSuitablePalette();
00089     AppendToGRFConfigList(&grfconfig, c);
00090   }
00091 }
00092 
00093 static void Load_NGRF()
00094 {
00095   Load_NGRF_common(_grfconfig);
00096 
00097   /* Append static NewGRF configuration, but only if there are some NewGRFs. */
00098   if (_game_mode != GM_MENU || _all_grfs != NULL) AppendStaticGRFConfigs(&_grfconfig);
00099 }
00100 
00101 static void Check_NGRF()
00102 {
00103   Load_NGRF_common(_load_check_data.grfconfig);
00104 }
00105 
00106 extern const ChunkHandler _newgrf_chunk_handlers[] = {
00107   { 'NGRF', Save_NGRF, Load_NGRF, NULL, Check_NGRF, CH_ARRAY | CH_LAST }
00108 };