object_sl.cpp

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00001 /* $Id: object_sl.cpp 25833 2013-10-12 16:30:42Z frosch $ */
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 "../object_base.h"
00014 #include "../object_map.h"
00015 
00016 #include "saveload.h"
00017 #include "newgrf_sl.h"
00018 
00019 static const SaveLoad _object_desc[] = {
00020       SLE_VAR(Object, location.tile,              SLE_UINT32),
00021       SLE_VAR(Object, location.w,                 SLE_FILE_U8 | SLE_VAR_U16),
00022       SLE_VAR(Object, location.h,                 SLE_FILE_U8 | SLE_VAR_U16),
00023       SLE_REF(Object, town,                       REF_TOWN),
00024       SLE_VAR(Object, build_date,                 SLE_UINT32),
00025   SLE_CONDVAR(Object, colour,                     SLE_UINT8,                  148, SL_MAX_VERSION),
00026   SLE_CONDVAR(Object, view,                       SLE_UINT8,                  155, SL_MAX_VERSION),
00027   SLE_CONDVAR(Object, type,                       SLE_UINT16,                 186, SL_MAX_VERSION),
00028 
00029   SLE_END()
00030 };
00031 
00032 static void Save_OBJS()
00033 {
00034   Object *o;
00035 
00036   /* Write the objects */
00037   FOR_ALL_OBJECTS(o) {
00038     SlSetArrayIndex(o->index);
00039     SlObject(o, _object_desc);
00040   }
00041 }
00042 
00043 static void Load_OBJS()
00044 {
00045   int index;
00046   while ((index = SlIterateArray()) != -1) {
00047     Object *o = new (index) Object();
00048     SlObject(o, _object_desc);
00049   }
00050 }
00051 
00052 static void Ptrs_OBJS()
00053 {
00054   Object *o;
00055   FOR_ALL_OBJECTS(o) {
00056     SlObject(o, _object_desc);
00057     if (IsSavegameVersionBefore(148) && !IsTileType(o->location.tile, MP_OBJECT)) {
00058       /* Due to a small bug stale objects could remain. */
00059       delete o;
00060     }
00061   }
00062 }
00063 
00064 static void Save_OBID()
00065 {
00066   Save_NewGRFMapping(_object_mngr);
00067 }
00068 
00069 static void Load_OBID()
00070 {
00071   Load_NewGRFMapping(_object_mngr);
00072 }
00073 
00074 extern const ChunkHandler _object_chunk_handlers[] = {
00075   { 'OBID', Save_OBID, Load_OBID, NULL,      NULL, CH_ARRAY },
00076   { 'OBJS', Save_OBJS, Load_OBJS, Ptrs_OBJS, NULL, CH_ARRAY | CH_LAST},
00077 };