OpenTTD Source  1.11.2
animated_tile.cpp
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1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #include "stdafx.h"
11 #include "core/alloc_func.hpp"
12 #include "core/smallvec_type.hpp"
13 #include "tile_cmd.h"
14 #include "viewport_func.h"
15 #include "framerate_type.h"
16 
17 #include "safeguards.h"
18 
20 std::vector<TileIndex> _animated_tiles;
21 
27 {
28  auto to_remove = std::find(_animated_tiles.begin(), _animated_tiles.end(), tile);
29  if (to_remove != _animated_tiles.end()) {
30  /* The order of the remaining elements must stay the same, otherwise the animation loop may miss a tile. */
31  _animated_tiles.erase(to_remove);
32  MarkTileDirtyByTile(tile);
33  }
34 }
35 
42 {
43  MarkTileDirtyByTile(tile);
44  include(_animated_tiles, tile);
45 }
46 
51 {
53 
54  const TileIndex *ti = _animated_tiles.data();
55  while (ti < _animated_tiles.data() + _animated_tiles.size()) {
56  const TileIndex curr = *ti;
57  AnimateTile(curr);
58  /* During the AnimateTile call, DeleteAnimatedTile could have been called,
59  * deleting an element we've already processed and pushing the rest one
60  * slot to the left. We can detect this by checking whether the index
61  * in the current slot has changed - if it has, an element has been deleted,
62  * and we should process the current slot again instead of going forward.
63  * NOTE: this will still break if more than one animated tile is being
64  * deleted during the same AnimateTile call, but no code seems to
65  * be doing this anyway.
66  */
67  if (*ti == curr) ++ti;
68  }
69 }
70 
75 {
76  _animated_tiles.clear();
77 }
TileIndex
uint32 TileIndex
The index/ID of a Tile.
Definition: tile_type.h:83
smallvec_type.hpp
include
bool include(std::vector< T > &vec, const T &item)
Helper function to append an item to a vector if it is not already contained Consider using std::set,...
Definition: smallvec_type.hpp:27
_animated_tiles
std::vector< TileIndex > _animated_tiles
The table/list with animated tiles.
Definition: animated_tile.cpp:20
PFE_GL_LANDSCAPE
@ PFE_GL_LANDSCAPE
Time spent processing other world features.
Definition: framerate_type.h:55
tile_cmd.h
safeguards.h
stdafx.h
viewport_func.h
PerformanceAccumulator
RAII class for measuring multi-step elements of performance.
Definition: framerate_type.h:114
DeleteAnimatedTile
void DeleteAnimatedTile(TileIndex tile)
Removes the given tile from the animated tile table.
Definition: animated_tile.cpp:26
alloc_func.hpp
framerate_type.h
MarkTileDirtyByTile
void MarkTileDirtyByTile(TileIndex tile, int bridge_level_offset, int tile_height_override)
Mark a tile given by its index dirty for repaint.
Definition: viewport.cpp:1985
AnimateAnimatedTiles
void AnimateAnimatedTiles()
Animate all tiles in the animated tile list, i.e. call AnimateTile on them.
Definition: animated_tile.cpp:50
InitializeAnimatedTiles
void InitializeAnimatedTiles()
Initialize all animated tile variables to some known begin point.
Definition: animated_tile.cpp:74
AddAnimatedTile
void AddAnimatedTile(TileIndex tile)
Add the given tile to the animated tile table (if it does not exist on that table yet).
Definition: animated_tile.cpp:41