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new file 100644
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/* $Id$ */
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/** @file waypoint_sl.cpp Code handling saving and loading of waypoints */
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#include "../stdafx.h"
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#include "../waypoint.h"
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#include "../newgrf_station.h"
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#include "../town.h"
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#include "table/strings.h"
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#include "saveload.h"
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/**
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* Update waypoint graphics id against saved GRFID/localidx.
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* This is to ensure the chosen graphics are correct if GRF files are changed.
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*/
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void AfterLoadWaypoints()
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{
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Waypoint *wp;
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FOR_ALL_WAYPOINTS(wp) {
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uint i;
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if (wp->grfid == 0) continue;
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for (i = 0; i < GetNumCustomStations(STAT_CLASS_WAYP); i++) {
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const StationSpec *statspec = GetCustomStationSpec(STAT_CLASS_WAYP, i);
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if (statspec != NULL && statspec->grffile->grfid == wp->grfid && statspec->localidx == wp->localidx) {
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wp->stat_id = i;
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break;
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}
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}
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}
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}
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/**
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* Fix savegames which stored waypoints in their old format
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*/
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void FixOldWaypoints()
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{
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Waypoint *wp;
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/* Convert the old 'town_or_string', to 'string' / 'town' / 'town_cn' */
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FOR_ALL_WAYPOINTS(wp) {
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wp->town_index = ClosestTownFromTile(wp->xy, UINT_MAX)->index;
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wp->town_cn = 0;
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if (wp->string & 0xC000) {
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wp->town_cn = wp->string & 0x3F;
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wp->string = STR_NULL;
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}
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}
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}
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static const SaveLoad _waypoint_desc[] = {
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SLE_CONDVAR(Waypoint, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
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SLE_CONDVAR(Waypoint, xy, SLE_UINT32, 6, SL_MAX_VERSION),
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SLE_CONDVAR(Waypoint, town_index, SLE_UINT16, 12, SL_MAX_VERSION),
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SLE_CONDVAR(Waypoint, town_cn, SLE_FILE_U8 | SLE_VAR_U16, 12, 88),
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SLE_CONDVAR(Waypoint, town_cn, SLE_UINT16, 89, SL_MAX_VERSION),
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SLE_CONDVAR(Waypoint, string, SLE_STRINGID, 0, 83),
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SLE_CONDSTR(Waypoint, name, SLE_STR, 0, 84, SL_MAX_VERSION),
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SLE_VAR(Waypoint, deleted, SLE_UINT8),
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SLE_CONDVAR(Waypoint, build_date, SLE_FILE_U16 | SLE_VAR_I32, 3, 30),
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SLE_CONDVAR(Waypoint, build_date, SLE_INT32, 31, SL_MAX_VERSION),
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SLE_CONDVAR(Waypoint, localidx, SLE_UINT8, 3, SL_MAX_VERSION),
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SLE_CONDVAR(Waypoint, grfid, SLE_UINT32, 17, SL_MAX_VERSION),
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SLE_CONDVAR(Waypoint, owner, SLE_UINT8, 101, SL_MAX_VERSION),
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SLE_END()
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};
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static void Save_WAYP()
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{
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Waypoint *wp;
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FOR_ALL_WAYPOINTS(wp) {
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SlSetArrayIndex(wp->index);
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SlObject(wp, _waypoint_desc);
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}
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}
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static void Load_WAYP()
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{
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int index;
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while ((index = SlIterateArray()) != -1) {
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Waypoint *wp = new (index) Waypoint();
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SlObject(wp, _waypoint_desc);
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}
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}
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extern const ChunkHandler _waypoint_chunk_handlers[] = {
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{ 'CHKP', Save_WAYP, Load_WAYP, CH_ARRAY | CH_LAST},
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};
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