@@ -465,8 +465,12 @@ int32 CmdBuildTunnel(TileIndex start_til
ret = DoCommand(start_tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(ret)) return ret;
cost = _price.build_tunnel + ret;
/* XXX - do NOT change 'ret' in the loop, as it is used as the price
* for the clearing of the entrance of the tunnel. Assigning it to
* cost before the loop will yield different costs depending on start-
* position, because of increased-cost-by-length: 'cost += cost >> 3' */
cost = 0;
delta = TileOffsByDir(direction);
end_tile = start_tile;
for (;;) {
@@ -480,10 +484,13 @@ int32 CmdBuildTunnel(TileIndex start_til
}
cost += _price.build_tunnel;
cost += cost >> 3;
cost += cost >> 3; // add a multiplier for longer tunnels
if (cost >= 400000000) cost = 400000000;
/* Add the cost of the entrance */
cost += _price.build_tunnel + ret;
// if the command fails from here on we want the end tile to be highlighted
_build_tunnel_endtile = end_tile;
Status change: