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/* $Id$ */
/*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file animated_tile_sl.cpp Code handling saving and loading of animated tiles */
#include "../stdafx.h"
#include "../tile_type.h"
#include "../core/alloc_func.hpp"
#include "../core/smallvec_type.hpp"
#include "saveload.h"
#include "../safeguards.h"
extern SmallVector<TileIndex, 256> _animated_tiles;
/**
* Save the ANIT chunk.
*/
static void Save_ANIT()
{
SlSetLength(_animated_tiles.Length() * sizeof(*_animated_tiles.Begin()));
SlArray(_animated_tiles.Begin(), _animated_tiles.Length(), SLE_UINT32);
}
/**
* Load the ANIT chunk; the chunk containing the animated tiles.
*/
static void Load_ANIT()
{
/* Before version 80 we did NOT have a variable length animated tile table */
if (IsSavegameVersionBefore(80)) {
/* In pre version 6, we has 16bit per tile, now we have 32bit per tile, convert it ;) */
TileIndex anim_list[256];
SlArray(anim_list, 256, IsSavegameVersionBefore(6) ? (SLE_FILE_U16 | SLE_VAR_U32) : SLE_UINT32);
for (int i = 0; i < 256; i++) {
if (anim_list[i] == 0) break;
*_animated_tiles.Append() = anim_list[i];
}
return;
}
uint count = (uint)SlGetFieldLength() / sizeof(*_animated_tiles.Begin());
_animated_tiles.Clear();
_animated_tiles.Append(count);
SlArray(_animated_tiles.Begin(), count, SLE_UINT32);
}
/**
* "Definition" imported by the saveload code to be able to load and save
* the animated tile table.
*/
extern const ChunkHandler _animated_tile_chunk_handlers[] = {
{ 'ANIT', Save_ANIT, Load_ANIT, NULL, NULL, CH_RIFF | CH_LAST},
};
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