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Preserve signal simulation/reservation data when upgrading bridges.

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Based on commit 301925f948c9b36966c9c668e1476c2485425338
This commit is contained in:
Jonathan G Rennison
2018-04-25 22:32:50 +01:00
parent df72bc6e09
commit c92a28a072
2 changed files with 20 additions and 11 deletions
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15
src/tunnelbridge_cmd.cpp
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@@ -339,7 +339,6 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u
int z_end;
Slope tileh_start = GetTileSlope(tile_start, &z_start);
Slope tileh_end = GetTileSlope(tile_end, &z_end);
bool pbs_reservation = false;
CommandCost terraform_cost_north = CheckBridgeSlopeNorth(direction, &tileh_start, &z_start);
CommandCost terraform_cost_south = CheckBridgeSlopeSouth(direction, &tileh_end, &z_end);
@@ -351,6 +350,7 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u
CommandCost cost(EXPENSES_CONSTRUCTION);
Owner owner;
bool is_new_owner;
bool is_upgrade = false;
if (IsBridgeTile(tile_start) && IsBridgeTile(tile_end) &&
GetOtherBridgeEnd(tile_start) == tile_end &&
GetTunnelBridgeTransportType(tile_start) == transport_type) {
@@ -393,11 +393,6 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u
if (is_new_owner) owner = company;
switch (transport_type) {
case TRANSPORT_RAIL:
/* Keep the reservation, the path stays valid. */
pbs_reservation = HasTunnelBridgeReservation(tile_start);
break;
case TRANSPORT_ROAD:
/* Do not remove road types when upgrading a bridge */
roadtypes |= GetRoadTypes(tile_start);
@@ -405,6 +400,8 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u
default: break;
}
is_upgrade = true;
} else {
/* Build a new bridge. */
@@ -518,10 +515,8 @@ CommandCost CmdBuildBridge(TileIndex end_tile, DoCommandFlag flags, uint32 p1, u
case TRANSPORT_RAIL:
/* Add to company infrastructure count if required. */
if (is_new_owner && c != NULL) c->infrastructure.rail[railtype] += (bridge_len + 2) * TUNNELBRIDGE_TRACKBIT_FACTOR;
MakeRailBridgeRamp(tile_start, owner, bridge_type, dir, railtype);
MakeRailBridgeRamp(tile_end, owner, bridge_type, ReverseDiagDir(dir), railtype);
SetTunnelBridgeReservation(tile_start, pbs_reservation);
SetTunnelBridgeReservation(tile_end, pbs_reservation);
MakeRailBridgeRamp(tile_start, owner, bridge_type, dir, railtype, is_upgrade);
MakeRailBridgeRamp(tile_end, owner, bridge_type, ReverseDiagDir(dir), railtype, is_upgrade);
break;
case TRANSPORT_ROAD: {