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(svn r26291) -Fix [FS#5866, FS#5888]: Correctly identify opposite ends of bridges and tunnels when converting rails (adf88)

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fonsinchen 2014-02-02 14:54:13 +00:00
parent dda4ffab5e
commit 9dc69d7f4d
1 changed files with 13 additions and 5 deletions
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18
src/rail_cmd.cpp
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@ -1515,16 +1515,19 @@ static Vehicle *UpdateTrainPowerProc(Vehicle *v, void *data)
CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
RailType totype = Extract<RailType, 0, 4>(p2);
TileIndex area_start = p1;
TileIndex area_end = tile;
bool diagonal = HasBit(p2, 4);
if (!ValParamRailtype(totype)) return CMD_ERROR;
if (p1 >= MapSize()) return CMD_ERROR;
if (area_start >= MapSize()) return CMD_ERROR;
TrainList affected_trains;
CommandCost cost(EXPENSES_CONSTRUCTION);
CommandCost error = CommandCost(STR_ERROR_NO_SUITABLE_RAILROAD_TRACK); // by default, there is no track to convert.
TileArea ta(tile, p1);
TileIterator *iter = HasBit(p2, 4) ? (TileIterator *)new DiagonalTileIterator(tile, p1) : new OrthogonalTileIterator(ta);
TileIterator *iter = diagonal ? (TileIterator *)new DiagonalTileIterator(area_start, area_end) : new OrthogonalTileIterator(area_start, area_end);
for (; (tile = *iter) != INVALID_TILE; ++(*iter)) {
TileType tt = GetTileType(tile);
@ -1639,8 +1642,13 @@ CommandCost CmdConvertRail(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
/* If both ends of tunnel/bridge are in the range, do not try to convert twice -
* it would cause assert because of different test and exec runs */
if (endtile < tile && TileX(endtile) >= TileX(ta.tile) && TileX(endtile) < TileX(ta.tile) + ta.w &&
TileY(endtile) >= TileY(ta.tile) && TileY(endtile) < TileY(ta.tile) + ta.h) continue;
if (endtile < tile) {
if (diagonal) {
if (DiagonalTileArea(area_start, area_end).Contains(endtile)) continue;
} else {
if (OrthogonalTileArea(area_start, area_end).Contains(endtile)) continue;
}
}
/* When not converting rail <-> el. rail, any vehicle cannot be in tunnel/bridge */
if (!IsCompatibleRail(GetRailType(tile), totype)) {