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/* $Id$ */
/** @file waypoint_sl.cpp Code handling saving and loading of waypoints */
#include "../stdafx.h"
#include "../waypoint.h"
#include "../newgrf_station.h"
#include "../town.h"
#include "table/strings.h"
#include "saveload.h"
#include "saveload_internal.h"
/**
* Update waypoint graphics id against saved GRFID/localidx.
* This is to ensure the chosen graphics are correct if GRF files are changed.
*/
void AfterLoadWaypoints()
{
Waypoint *wp;
FOR_ALL_WAYPOINTS(wp) {
if (wp->num_specs == 0) continue;
for (uint i = 0; i < GetNumCustomStations(STAT_CLASS_WAYP); i++) {
const StationSpec *statspec = GetCustomStationSpec(STAT_CLASS_WAYP, i);
if (statspec != NULL && statspec->grffile->grfid == wp->speclist->grfid && statspec->localidx == wp->speclist->localidx) {
wp->speclist->spec = statspec;
break;
}
}
}
}
static uint16 _waypoint_town_index;
static StringID _waypoint_string_id;
static StationSpecList _waypoint_spec;
static const SaveLoad _waypoint_desc[] = {
SLE_CONDVAR(Waypoint, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Waypoint, xy, SLE_UINT32, 6, SL_MAX_VERSION),
SLEG_CONDVAR(_waypoint_town_index, SLE_UINT16, 12, 121),
SLE_CONDREF(Waypoint, town, REF_TOWN, 122, SL_MAX_VERSION),
SLE_CONDVAR(Waypoint, town_cn, SLE_FILE_U8 | SLE_VAR_U16, 12, 88),
SLE_CONDVAR(Waypoint, town_cn, SLE_UINT16, 89, SL_MAX_VERSION),
SLEG_CONDVAR(_waypoint_string_id, SLE_STRINGID, 0, 83),
SLE_CONDSTR(Waypoint, name, SLE_STR, 0, 84, SL_MAX_VERSION),
SLE_VAR(Waypoint, delete_ctr, SLE_UINT8),
SLE_CONDVAR(Waypoint, build_date, SLE_FILE_U16 | SLE_VAR_I32, 3, 30),
SLE_CONDVAR(Waypoint, build_date, SLE_INT32, 31, SL_MAX_VERSION),
SLEG_CONDVAR(_waypoint_spec.localidx, SLE_UINT8, 3, SL_MAX_VERSION),
SLEG_CONDVAR(_waypoint_spec.grfid, SLE_UINT32, 17, SL_MAX_VERSION),
SLE_CONDVAR(Waypoint, owner, SLE_UINT8, 101, SL_MAX_VERSION),
SLE_END()
};
static void Save_WAYP()
{
Waypoint *wp;
FOR_ALL_WAYPOINTS(wp) {
if (wp->num_specs == 0) {
_waypoint_spec.grfid = 0;
} else {
_waypoint_spec = *wp->speclist;
}
SlSetArrayIndex(wp->index);
SlObject(wp, _waypoint_desc);
}
}
static void Load_WAYP()
{
int index;
while ((index = SlIterateArray()) != -1) {
_waypoint_string_id = 0;
_waypoint_town_index = 0;
_waypoint_spec.grfid = 0;
Waypoint *wp = new (index) Waypoint();
SlObject(wp, _waypoint_desc);
if (_waypoint_spec.grfid != 0) {
wp->num_specs = 1;
wp->speclist = MallocT<StationSpecList>(1);
*wp->speclist = _waypoint_spec;
}
if (CheckSavegameVersion(84)) wp->name = (char *)(size_t)_waypoint_string_id;
if (CheckSavegameVersion(122)) wp->town = (Town *)(size_t)_waypoint_town_index;
}
}
static void Ptrs_WAYP()
{
Waypoint *wp;
FOR_ALL_WAYPOINTS(wp) {
SlObject(wp, _waypoint_desc);
StringID sid = (StringID)(size_t)wp->name;
if (CheckSavegameVersion(12)) {
wp->town_cn = (sid & 0xC000) == 0xC000 ? (sid >> 8) & 0x3F : 0;
wp->town = ClosestTownFromTile(wp->xy, UINT_MAX);
} else if (CheckSavegameVersion(122)) {
/* Only for versions 12 .. 122 */
wp->town = Town::Get((size_t)wp->town);
}
if (CheckSavegameVersion(84)) {
wp->name = CopyFromOldName(sid);
}
}
}
extern const ChunkHandler _waypoint_chunk_handlers[] = {
{ 'CHKP', Save_WAYP, Load_WAYP, Ptrs_WAYP, CH_ARRAY | CH_LAST},
};
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