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(svn r18468) -Codechange: make sure one never makes self-loops using Vehicle::SetNext

release/1.0
rubidium 2009-12-12 21:04:08 +00:00
parent 15fbf4af70
commit ae92fd2865
1 changed files with 2 additions and 0 deletions
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2
src/vehicle.cpp
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@ -1616,6 +1616,8 @@ CommandCost Vehicle::SendToDepot(DoCommandFlag flags, DepotCommand command)
void Vehicle::SetNext(Vehicle *next) void Vehicle::SetNext(Vehicle *next)
{ {
assert(this != next);
if (this->next != NULL) { if (this->next != NULL) {
/* We had an old next vehicle. Update the first and previous pointers */ /* We had an old next vehicle. Update the first and previous pointers */
for (Vehicle *v = this->next; v != NULL; v = v->Next()) { for (Vehicle *v = this->next; v != NULL; v = v->Next()) {