OpenTTD
animated_tile_sl.cpp
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1 /* $Id: animated_tile_sl.cpp 26482 2014-04-23 20:13:33Z rubidium $ */
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 
12 #include "../stdafx.h"
13 #include "../tile_type.h"
14 #include "../core/alloc_func.hpp"
15 
16 #include "saveload.h"
17 
18 #include "../safeguards.h"
19 
21 extern uint _animated_tile_count;
22 extern uint _animated_tile_allocated;
23 
27 static void Save_ANIT()
28 {
31 }
32 
36 static void Load_ANIT()
37 {
38  /* Before version 80 we did NOT have a variable length animated tile table */
39  if (IsSavegameVersionBefore(80)) {
40  /* In pre version 6, we has 16bit per tile, now we have 32bit per tile, convert it ;) */
41  SlArray(_animated_tile_list, 256, IsSavegameVersionBefore(6) ? (SLE_FILE_U16 | SLE_VAR_U32) : SLE_UINT32);
42 
45  }
46  return;
47  }
48 
49  _animated_tile_count = (uint)SlGetFieldLength() / sizeof(*_animated_tile_list);
50 
51  /* Determine a nice rounded size for the amount of allocated tiles */
54 
56  SlArray(_animated_tile_list, _animated_tile_count, SLE_UINT32);
57 }
58 
64  { 'ANIT', Save_ANIT, Load_ANIT, NULL, NULL, CH_RIFF | CH_LAST},
65 };
TileIndex * _animated_tile_list
The table/list with animated tiles.
size_t SlGetFieldLength()
Get the length of the current object.
Definition: saveload.cpp:934
void SlArray(void *array, size_t length, VarType conv)
Save/Load an array.
Definition: saveload.cpp:1186
static void Save_ANIT()
Save the ANIT chunk.
Functions/types related to saving and loading games.
static void Load_ANIT()
Load the ANIT chunk; the chunk containing the animated tiles.
const ChunkHandler _animated_tile_chunk_handlers[]
"Definition" imported by the saveload code to be able to load and save the animated tile table...
static bool IsSavegameVersionBefore(uint16 major, byte minor=0)
Checks whether the savegame is below major.
Definition: saveload.h:465
Handlers and description of chunk.
Definition: saveload.h:66
uint32 TileIndex
The index/ID of a Tile.
Definition: tile_type.h:80
uint _animated_tile_count
The number of animated tiles in the current state.
void SlSetLength(size_t length)
Sets the length of either a RIFF object or the number of items in an array.
Definition: saveload.cpp:873
uint _animated_tile_allocated
The number of slots for animated tiles allocated currently.
Last chunk in this array.
Definition: saveload.h:104