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Change TunnelBridgeIsFree across_only to a mode enum type

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pull/519/head
Jonathan G Rennison 1 year ago
parent f94e43c940
commit 09e03fb6b2
5 changed files with 23 additions and 16 deletions
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8
src/pbs.cpp
Unescape Escape View File

@ -478,7 +478,7 @@ static PBSTileInfo FollowReservation(Owner o, RailTypes rts, TileIndex tile, Tra
if (_settings_game.vehicle.train_braking_model == TBM_REALISTIC && IsTunnelBridgeSignalSimulationEntrance(tile)) {
TileIndex end = GetOtherTunnelBridgeEnd(tile);
if (HasAcrossTunnelBridgeReservation(end) && GetTunnelBridgeExitSignalState(end) == SIGNAL_STATE_GREEN &&
((flags & FRF_TB_EXIT_FREE) || TunnelBridgeIsFree(tile, end, nullptr, true).Succeeded())) {
((flags & FRF_TB_EXIT_FREE) || TunnelBridgeIsFree(tile, end, nullptr, TBIFM_ACROSS_ONLY).Succeeded())) {
/* skip far end */
if (lookahead != nullptr) {
lookahead->reservation_end_position += (DistanceManhattan(tile, end) - 1) * TILE_SIZE;
@ -501,7 +501,7 @@ static PBSTileInfo FollowReservation(Owner o, RailTypes rts, TileIndex tile, Tra
if ((flags & FRF_IGNORE_ONEWAY) && _settings_game.vehicle.train_braking_model == TBM_REALISTIC && IsTunnelBridgeSignalSimulationExit(tile) &&
GetTunnelBridgeExitSignalState(tile) == SIGNAL_STATE_GREEN) {
TileIndex end = GetOtherTunnelBridgeEnd(tile);
if (HasAcrossTunnelBridgeReservation(end) && TunnelBridgeIsFree(tile, end, nullptr, true).Succeeded()) {
if (HasAcrossTunnelBridgeReservation(end) && TunnelBridgeIsFree(tile, end, nullptr, TBIFM_ACROSS_ONLY).Succeeded()) {
/* skip far end */
tile = end;
trackdir = GetTunnelBridgeExitTrackdir(tile);
@ -729,7 +729,7 @@ static void FollowReservationEnumerate(Owner o, RailTypes rts, TileIndex tile, T
if (_settings_game.vehicle.train_braking_model == TBM_REALISTIC && IsTunnelBridgeSignalSimulationEntrance(tile)) {
TileIndex end = GetOtherTunnelBridgeEnd(tile);
if (HasAcrossTunnelBridgeReservation(end) && GetTunnelBridgeExitSignalState(end) == SIGNAL_STATE_GREEN &&
((flags & FRF_TB_EXIT_FREE) || TunnelBridgeIsFree(tile, end, nullptr, true).Succeeded())) {
((flags & FRF_TB_EXIT_FREE) || TunnelBridgeIsFree(tile, end, nullptr, TBIFM_ACROSS_ONLY).Succeeded())) {
/* skip far end */
Trackdir end_trackdir = GetTunnelBridgeExitTrackdir(end);
tile = end;
@ -741,7 +741,7 @@ static void FollowReservationEnumerate(Owner o, RailTypes rts, TileIndex tile, T
if ((flags & FRF_IGNORE_ONEWAY) && _settings_game.vehicle.train_braking_model == TBM_REALISTIC && IsTunnelBridgeSignalSimulationExit(tile) &&
GetTunnelBridgeExitSignalState(tile) == SIGNAL_STATE_GREEN) {
TileIndex end = GetOtherTunnelBridgeEnd(tile);
if (HasAcrossTunnelBridgeReservation(end) && TunnelBridgeIsFree(tile, end, nullptr, true).Succeeded()) {
if (HasAcrossTunnelBridgeReservation(end) && TunnelBridgeIsFree(tile, end, nullptr, TBIFM_ACROSS_ONLY).Succeeded()) {
/* skip far end */
tile = end;
trackdir = GetTunnelBridgeExitTrackdir(tile);

4
src/rail_cmd.cpp
Unescape Escape View File

@ -1496,7 +1496,7 @@ CommandCost CmdBuildSingleSignal(TileIndex tile, DoCommandFlag flags, uint32 p1,
if (!ValParamTrackOrientation(track) || !IsTrackAcrossTunnelBridge(tile, track)) {
return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
}
CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile), nullptr, true);
CommandCost ret = TunnelBridgeIsFree(tile, GetOtherTunnelBridgeEnd(tile), nullptr, TBIFM_ACROSS_ONLY);
if (ret.Failed()) return ret;
} else if (!ValParamTrackOrientation(track) || !IsPlainRailTile(tile) || !HasTrack(tile, track)) {
return_cmd_error(STR_ERROR_THERE_IS_NO_RAILROAD_TRACK);
@ -2185,7 +2185,7 @@ CommandCost CmdRemoveSingleSignal(TileIndex tile, DoCommandFlag flags, uint32 p1
}
if (!IsTunnelBridgeWithSignalSimulation(tile)) return_cmd_error(STR_ERROR_THERE_ARE_NO_SIGNALS);
TileIndex end = GetOtherTunnelBridgeEnd(tile);
CommandCost ret = TunnelBridgeIsFree(tile, end, nullptr, true);
CommandCost ret = TunnelBridgeIsFree(tile, end, nullptr, TBIFM_ACROSS_ONLY);
if (ret.Failed()) return ret;
cost *= GetTunnelBridgeSignalSimulationSignalCount(tile, end);

6
src/train_cmd.cpp
Unescape Escape View File

@ -3593,7 +3593,7 @@ static void ClearPathReservation(const Train *v, TileIndex tile, Trackdir track_
/* Are we just leaving a tunnel/bridge? */
if (TrackdirExitsTunnelBridge(tile, track_dir)) {
TileIndex end = GetOtherTunnelBridgeEnd(tile);
bool free = TunnelBridgeIsFree(tile, end, v, true).Succeeded();
bool free = TunnelBridgeIsFree(tile, end, v, TBIFM_ACROSS_ONLY).Succeeded();
HandleLastTunnelBridgeSignals(tile, end, ReverseDiagDir(GetTunnelBridgeDirection(tile)), free);
}
} else if (tunbridge_clear_unsignaled_other_end) {
@ -3720,7 +3720,7 @@ void FreeTrainTrackReservation(Train *v, TileIndex origin, Trackdir orig_td)
}
} else if (IsTunnelBridgeWithSignalSimulation(tile) && TrackdirExitsTunnelBridge(tile, td)) {
TileIndex end = GetOtherTunnelBridgeEnd(tile);
bool free = TunnelBridgeIsFree(tile, end, v, true).Succeeded();
bool free = TunnelBridgeIsFree(tile, end, v, TBIFM_ACROSS_ONLY).Succeeded();
if (!free) break;
}
@ -6107,7 +6107,7 @@ static Vehicle *CollectTrackbitsFromCrashedVehiclesEnum(Vehicle *v, void *data)
static void SetSignalledBridgeTunnelGreenIfClear(TileIndex tile, TileIndex end)
{
if (TunnelBridgeIsFree(tile, end, nullptr, true).Succeeded()) {
if (TunnelBridgeIsFree(tile, end, nullptr, TBIFM_ACROSS_ONLY).Succeeded()) {
auto process_tile = [](TileIndex t) {
if (IsTunnelBridgeSignalSimulationEntrance(t)) {
if (IsBridge(t)) {

14
src/vehicle.cpp
Unescape Escape View File

@ -619,7 +619,7 @@ bool IsTrainCollidableRoadVehicleOnGround(TileIndex tile)
struct GetVehicleTunnelBridgeProcData {
const Vehicle *v;
TileIndex t;
bool across_only;
TunnelBridgeIsFreeMode mode;
};
/** Procedure called for every vehicle found in tunnel/bridge in the hash map */
@ -628,9 +628,11 @@ static Vehicle *GetVehicleTunnelBridgeProc(Vehicle *v, void *data)
const GetVehicleTunnelBridgeProcData *info = (GetVehicleTunnelBridgeProcData*) data;
if (v == info->v) return nullptr;
if (v->type == VEH_TRAIN && info->across_only && IsBridge(info->t)) {
if (v->type == VEH_TRAIN && info->mode != TBIFM_ALL && IsBridge(info->t)) {
TrackBits vehicle_track = Train::From(v)->track;
if (!(vehicle_track & TRACK_BIT_WORMHOLE) && !(GetAcrossBridgePossibleTrackBits(info->t) & vehicle_track)) return nullptr;
if (!(vehicle_track & TRACK_BIT_WORMHOLE)) {
if (info->mode == TBIFM_ACROSS_ONLY && !(GetAcrossBridgePossibleTrackBits(info->t) & vehicle_track)) return nullptr;
}
}
return v;
@ -641,10 +643,10 @@ static Vehicle *GetVehicleTunnelBridgeProc(Vehicle *v, void *data)
* @param tile first end
* @param endtile second end
* @param ignore Ignore this vehicle when searching
* @param across_only Only find vehicles which are passing across the bridge/tunnel or on connecting bridge head track pieces
* @param mode Whether to only find vehicles which are passing across the bridge/tunnel or on connecting bridge head track pieces
* @return Succeeded command (if tunnel/bridge is free) or failed command (if a vehicle is using the tunnel/bridge).
*/
CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore, bool across_only)
CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore, TunnelBridgeIsFreeMode mode)
{
/* Value v is not safe in MP games, however, it is used to generate a local
* error message only (which may be different for different machines).
@ -653,7 +655,7 @@ CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle
GetVehicleTunnelBridgeProcData data;
data.v = ignore;
data.t = tile;
data.across_only = across_only;
data.mode = mode;
VehicleType type = static_cast<VehicleType>(GetTunnelBridgeTransportType(tile));
Vehicle *v = VehicleFromPos(tile, type, &data, &GetVehicleTunnelBridgeProc, true);
if (v == nullptr) {

7
src/vehicle_func.h
Unescape Escape View File

@ -132,7 +132,12 @@ void ViewportAddVehicles(DrawPixelInfo *dpi, bool update_vehicles);
void ViewportMapDrawVehicles(DrawPixelInfo *dpi, Viewport *vp);
void ShowNewGrfVehicleError(EngineID engine, StringID part1, StringID part2, GRFBugs bug_type, bool critical);
CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore = nullptr, bool across_only = false);
enum TunnelBridgeIsFreeMode {
TBIFM_ALL,
TBIFM_ACROSS_ONLY,
};
CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore = nullptr, TunnelBridgeIsFreeMode mode = TBIFM_ALL);
Train *GetTrainClosestToTunnelBridgeEnd(TileIndex tile, TileIndex other_tile);
int GetAvailableFreeTilesInSignalledTunnelBridge(TileIndex entrance, TileIndex exit, TileIndex tile);
int GetAvailableFreeTilesInSignalledTunnelBridgeWithStartOffset(TileIndex entrance, TileIndex exit, int offset);

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