src/saveload/object_sl.cpp

   1 /* $Id: object_sl.cpp 25833 2013-10-12 16:30:42Z frosch $ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file object_sl.cpp Code handling saving and loading of objects */
  11
  12 #include "../stdafx.h"
  13 #include "../object_base.h"
  14 #include "../object_map.h"
  15
  16 #include "saveload.h"
  17 #include "newgrf_sl.h"
  18
  19 #include "../safeguards.h"
  20
  21 static const SaveLoad _object_desc[] = {
  22             SLE_VAR(Object, location.tile,              SLE_UINT32),
  23             SLE_VAR(Object, location.w,                 SLE_FILE_U8 | SLE_VAR_U16),
  24             SLE_VAR(Object, location.h,                 SLE_FILE_U8 | SLE_VAR_U16),
  25             SLE_REF(Object, town,                       REF_TOWN),
  26             SLE_VAR(Object, build_date,                 SLE_UINT32),
  27         SLE_CONDVAR(Object, colour,                     SLE_UINT8,                  148, SL_MAX_VERSION),
  28         SLE_CONDVAR(Object, view,                       SLE_UINT8,                  155, SL_MAX_VERSION),
  29         SLE_CONDVAR(Object, type,                       SLE_UINT16,                 186, SL_MAX_VERSION),
  30
  31         SLE_END()
  32 };
  33
  34 static void Save_OBJS()
  35 {
  36         Object *o;
  37
  38         /* Write the objects */
  39         FOR_ALL_OBJECTS(o) {
  40                 SlSetArrayIndex(o->index);
  41                 SlObject(o, _object_desc);
  42         }
  43 }
  44
  45 static void Load_OBJS()
  46 {
  47         int index;
  48         while ((index = SlIterateArray()) != -1) {
  49                 Object *o = new (index) Object();
  50                 SlObject(o, _object_desc);
  51         }
  52 }
  53
  54 static void Ptrs_OBJS()
  55 {
  56         Object *o;
  57         FOR_ALL_OBJECTS(o) {
  58                 SlObject(o, _object_desc);
  59                 if (IsSavegameVersionBefore(148) && !IsTileType(o->location.tile, MP_OBJECT)) {
  60                         /* Due to a small bug stale objects could remain. */
  61                         delete o;
  62                 }
  63         }
  64 }
  65
  66 static void Save_OBID()
  67 {
  68         Save_NewGRFMapping(_object_mngr);
  69 }
  70
  71 static void Load_OBID()
  72 {
  73         Load_NewGRFMapping(_object_mngr);
  74 }
  75
  76 extern const ChunkHandler _object_chunk_handlers[] = {
  77         { 'OBID', Save_OBID, Load_OBID, nullptr,      nullptr, CH_ARRAY },
  78         { 'OBJS', Save_OBJS, Load_OBJS, Ptrs_OBJS, nullptr, CH_ARRAY | CH_LAST},
  79 };