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(svn r8709) -Fix/Codechange: Rename the function GetStationPlatforms into GetPlatformLength because that is what it really does. Overload it because there is already a GetPlatformLength (one gives the length of the whole platform, the other gives the remaining length in a given direction). Turned both functions into methods of Station. While messing around with it, fix a problem where loading times for overhanging trains are miscomputed.

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This commit is contained in:
celestar
2007-02-13 16:36:38 +00:00
parent bf147e395e
commit 72e74c29d4
6 changed files with 55 additions and 56 deletions
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51
src/station_cmd.cpp
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@@ -1140,57 +1140,6 @@ int32 CmdRemoveFromRailroadStation(TileIndex tile, uint32 flags, uint32 p1, uint
return _price.remove_rail_station;
}
// determine the number of platforms for the station
uint GetStationPlatforms(const Station *st, TileIndex tile)
{
TileIndex t;
TileIndexDiff delta;
Axis axis;
uint len;
assert(st->TileBelongsToRailStation(tile));
len = 0;
axis = GetRailStationAxis(tile);
delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
// find starting tile..
t = tile;
do {
t -= delta;
len++;
} while (st->TileBelongsToRailStation(t) && GetRailStationAxis(t) == axis);
// find ending tile
t = tile;
do {
t += delta;
len++;
} while (st->TileBelongsToRailStation(t) && GetRailStationAxis(t) == axis);
return len - 1;
}
/** Determines the REMAINING length of a platform, starting at (and including)
* the given tile.
* @param tile the tile from which to start searching. Must be a railway station tile
* @param dir The direction in which to search.
* @return The platform length
*/
uint GetPlatformLength(TileIndex tile, DiagDirection dir)
{
TileIndex start_tile = tile;
uint length = 0;
assert(IsRailwayStationTile(tile));
assert(dir < DIAGDIR_END);
do {
length ++;
tile += TileOffsByDiagDir(dir);
} while (IsCompatibleTrainStationTile(tile, start_tile));
return length;
}
static int32 RemoveRailroadStation(Station *st, TileIndex tile, uint32 flags)
{