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Implement rail station property 1B, bridge clearance information

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Jonathan G Rennison
2018-08-02 08:27:20 +01:00
parent 76a7b70cad
commit ef0a0b0f8e
6 changed files with 86 additions and 25 deletions
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23
src/tunnelbridge_cmd.cpp
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@@ -47,6 +47,7 @@
#include "station_map.h"
#include "industry_map.h"
#include "object_map.h"
#include "newgrf_station.h"
#include "table/strings.h"
#include "table/bridge_land.h"
@@ -502,7 +503,27 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u
}
case MP_STATION: {
if (!_settings_game.construction.allow_stations_under_bridges || IsAirport(tile)) goto not_valid_below;
switch (GetStationType(tile)) {
case STATION_AIRPORT:
goto not_valid_below;
case STATION_RAIL:
case STATION_WAYPOINT: {
const StationSpec *statspec = GetStationSpec(tile);
if (statspec && HasBit(statspec->internal_flags, SSIF_BRIDGE_HEIGHTS_SET)) {
uint layout = GetStationGfx (tile);
assert(layout < 8);
if (GetTileMaxZ(tile) + statspec->bridge_height[layout] > z_start + 1) goto not_valid_below;
} else if (!_settings_game.construction.allow_stations_under_bridges) {
goto not_valid_below;
}
break;
}
default:
if (!_settings_game.construction.allow_stations_under_bridges) goto not_valid_below;
break;
}
break;
}