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Check for broken custom bridge head states, and bump save version

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This commit is contained in:
Jonathan G Rennison
2021-02-27 21:31:23 +00:00
parent b931df9934
commit c37beb78ee
2 changed files with 43 additions and 1 deletions
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42
src/saveload/afterload.cpp
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@@ -1542,6 +1542,48 @@ bool AfterLoadGame()
}
}
if (SlXvIsFeaturePresent(XSLFI_CUSTOM_BRIDGE_HEADS, 1, 3)) {
/* fix any mismatched road/tram bits */
for (TileIndex t = 0; t < map_size; t++) {
if (IsBridgeTile(t) && GetTunnelBridgeTransportType(t) == TRANSPORT_ROAD) {
for (RoadTramType rtt : { RTT_TRAM, RTT_ROAD }) {
RoadType rt = GetRoadType(t, rtt);
if (rt == INVALID_ROADTYPE) continue;
RoadBits rb = GetCustomBridgeHeadRoadBits(t, rtt);
DiagDirection dir = GetTunnelBridgeDirection(t);
if (!(rb & DiagDirToRoadBits(dir))) continue;
if (HasAtMostOneBit(rb)) {
DEBUG(misc, 0, "Fixing road bridge head state (case A) at tile 0x%X", t);
rb |= DiagDirToRoadBits(ReverseDiagDir(dir));
SetCustomBridgeHeadRoadBits(t, rtt, rb);
}
TileIndex end = GetOtherBridgeEnd(t);
if (GetRoadType(end, rtt) == INVALID_ROADTYPE) {
DEBUG(misc, 0, "Fixing road bridge head state (case B) at tile 0x%X -> 0x%X", t, end);
SetRoadType(end, rtt, rt);
SetCustomBridgeHeadRoadBits(end, rtt, AxisToRoadBits(DiagDirToAxis(dir)));
continue;
}
if (GetRoadType(end, rtt) != rt) {
DEBUG(misc, 0, "Fixing road bridge head state (case C) at tile 0x%X -> 0x%X", t, end);
SetRoadType(end, rtt, rt);
}
RoadBits end_rb = GetCustomBridgeHeadRoadBits(end, rtt);
if (!(end_rb & DiagDirToRoadBits(ReverseDiagDir(dir)))) {
DEBUG(misc, 0, "Fixing road bridge head state (case D) at tile 0x%X -> 0x%X", t, end);
end_rb |= DiagDirToRoadBits(ReverseDiagDir(dir));
if (HasAtMostOneBit(end_rb)) end_rb |= DiagDirToRoadBits(dir);
SetCustomBridgeHeadRoadBits(end, rtt, end_rb);
}
}
}
}
}
/* Elrails got added in rev 24 */
if (IsSavegameVersionBefore(SLV_24)) {
RailType min_rail = RAILTYPE_ELECTRIC;