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(svn r2427) - Fix: CmdMoveRailVehice; Prevent possible assertion failure when moving vehicles within one chain.
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@ -845,6 +845,9 @@ int32 CmdMoveRailVehicle(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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src_head = NULL;
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}
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} else {
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// if moving within the same chain, dont use dst_head as it may get invalidated
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if (src_head == dst_head)
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dst_head = NULL;
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// unlink single wagon from linked list
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src_head = UnlinkWagon(src, src_head);
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src->next = NULL;
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