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(svn r10890) -Fix [FS#1125]: removing road with the road removal tool would also work with a negative bank account, making the bank account even more negative than it was.

release/0.6
rubidium 2007-08-14 17:05:33 +00:00
parent e474b58d2f
commit b169fceabc
1 changed files with 14 additions and 3 deletions
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17
src/road_cmd.cpp
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@ -673,7 +673,7 @@ CommandCost CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32
CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2)
{
TileIndex start_tile, tile;
CommandCost cost, ret;
CommandCost cost, ret, money;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
@ -695,6 +695,7 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3
p2 ^= IS_INT_INSIDE(p2 & 3, 1, 3) ? 3 : 0;
}
money.AddCost(GetAvailableMoneyForCommand());
tile = start_tile;
/* Start tile is the small number. */
for (;;) {
@ -705,8 +706,18 @@ CommandCost CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint3
/* try to remove the halves. */
if (bits != 0) {
ret = DoCommand(tile, rt << 4 | bits, 0, flags, CMD_REMOVE_ROAD);
if (CmdSucceeded(ret)) cost.AddCost(ret);
ret = DoCommand(tile, rt << 4 | bits, 0, flags & ~DC_EXEC, CMD_REMOVE_ROAD);
if (CmdSucceeded(ret)) {
if (flags & DC_EXEC) {
money.AddCost(-ret.GetCost());
if (money.GetCost() < 0) {
_additional_cash_required = DoCommand(end_tile, start_tile, p2, flags & ~DC_EXEC, CMD_REMOVE_LONG_ROAD).GetCost();
return cost;
}
DoCommand(tile, rt << 4 | bits, 0, flags, CMD_REMOVE_ROAD);
}
cost.AddCost(ret);
}
}
if (tile == end_tile) break;