(svn r13957) -Codechange [YAPP]: Free the old path reservation on removing some tracks and reroute trains afterwards. (michi_cc)

This commit is contained in:
rubidium
2008-08-02 22:55:08 +00:00
parent bcfc5a78ed
commit f0fdbf9644
4 changed files with 99 additions and 3 deletions

View File

@@ -46,6 +46,8 @@
#include "functions.h"
#include "elrail_func.h"
#include "oldpool_func.h"
#include "pbs.h"
#include "core/smallvec_type.hpp"
#include "table/sprites.h"
#include "table/strings.h"
@@ -458,6 +460,8 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32
* so do not call GetTileOwner(tile) in any case here */
Owner owner = INVALID_OWNER;
Vehicle *v = NULL;
switch (GetTileType(tile)) {
case MP_ROAD: {
if (!IsLevelCrossing(tile) ||
@@ -468,6 +472,10 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32
}
if (flags & DC_EXEC) {
if (HasReservedTracks(tile, trackbit)) {
v = GetTrainForReservation(tile, track);
if (v != NULL) FreeTrainTrackReservation(v);
}
owner = GetTileOwner(tile);
MakeRoadNormal(tile, GetCrossingRoadBits(tile), GetRoadTypes(tile), GetTownIndex(tile), GetRoadOwner(tile, ROADTYPE_ROAD), GetRoadOwner(tile, ROADTYPE_TRAM), GetRoadOwner(tile, ROADTYPE_HWAY));
}
@@ -492,6 +500,10 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32
cost.AddCost(DoCommand(tile, track, 0, flags, CMD_REMOVE_SIGNALS));
if (flags & DC_EXEC) {
if (HasReservedTracks(tile, trackbit)) {
v = GetTrainForReservation(tile, track);
if (v != NULL) FreeTrainTrackReservation(v);
}
owner = GetTileOwner(tile);
present ^= trackbit;
if (present == 0) {
@@ -531,6 +543,8 @@ CommandCost CmdRemoveSingleRail(TileIndex tile, uint32 flags, uint32 p1, uint32
AddTrackToSignalBuffer(tile, track, owner);
YapfNotifyTrackLayoutChange(tile, track);
}
if (v != NULL) TryPathReserve(v, true);
}
return cost;
@@ -1259,11 +1273,24 @@ CommandCost CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
/* Trying to convert other's rail */
if (!CheckTileOwnership(tile)) continue;
SmallVector<Vehicle*, 2> vehicles_affected;
/* Vehicle on the tile when not converting Rail <-> ElRail
* Tunnels and bridges have special check later */
if (tt != MP_TUNNELBRIDGE) {
if (!IsCompatibleRail(type, totype) && !EnsureNoVehicleOnGround(tile)) continue;
if (flags & DC_EXEC) { // we can safely convert, too
TrackBits reserved = GetReservedTrackbits(tile);
Track track;
while ((track = RemoveFirstTrack(&reserved)) != INVALID_TRACK) {
Vehicle *v = GetTrainForReservation(tile, track);
if (v != NULL && !HasPowerOnRail(v->u.rail.railtype, totype)) {
/* No power on new rail type, reroute. */
FreeTrainTrackReservation(v);
*vehicles_affected.Append() = v;
}
}
SetRailType(tile, totype);
MarkTileDirtyByTile(tile);
/* update power of train engines on this tile */
@@ -1320,14 +1347,20 @@ CommandCost CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
GetVehicleTunnelBridge(tile, endtile) != NULL) continue;
if (flags & DC_EXEC) {
Track track = DiagDirToDiagTrack(GetTunnelBridgeDirection(tile));
if (GetTunnelBridgeReservation(tile)) {
Vehicle *v = GetTrainForReservation(tile, track);
if (v != NULL) {
FreeTrainTrackReservation(v);
*vehicles_affected.Append() = v;
}
}
SetRailType(tile, totype);
SetRailType(endtile, totype);
VehicleFromPos(tile, NULL, &UpdateTrainPowerProc);
VehicleFromPos(endtile, NULL, &UpdateTrainPowerProc);
Track track = DiagDirToDiagTrack(GetTunnelBridgeDirection(tile));
YapfNotifyTrackLayoutChange(tile, track);
YapfNotifyTrackLayoutChange(endtile, track);
@@ -1353,6 +1386,10 @@ CommandCost CmdConvertRail(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
cost.AddCost(RailConvertCost(type, totype));
break;
}
for (uint i = 0; i < vehicles_affected.Length(); ++i) {
TryPathReserve(vehicles_affected[i], true);
}
}
}
@@ -1371,11 +1408,18 @@ static CommandCost RemoveTrainDepot(TileIndex tile, uint32 flags)
/* read variables before the depot is removed */
DiagDirection dir = GetRailDepotDirection(tile);
Owner owner = GetTileOwner(tile);
Vehicle *v = NULL;
if (GetDepotWaypointReservation(tile)) {
v = GetTrainForReservation(tile, DiagDirToDiagTrack(dir));
if (v != NULL) FreeTrainTrackReservation(v);
}
DoClearSquare(tile);
delete GetDepotByTile(tile);
AddSideToSignalBuffer(tile, dir, owner);
YapfNotifyTrackLayoutChange(tile, DiagDirToDiagTrack(dir));
if (v != NULL) TryPathReserve(v, true);
}
return CommandCost(EXPENSES_CONSTRUCTION, _price.remove_train_depot);