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(svn r23485) -Fix: Autorefit failed if the first part of an articulated vehicle did not carry any cargo.

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This commit is contained in:
frosch 2011-12-10 21:00:57 +00:00
parent b5a2183214
commit 14c6a7465a
1 changed files with 25 additions and 5 deletions
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30
src/economy.cpp
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@ -1171,6 +1171,22 @@ void PrepareUnload(Vehicle *front_v)
front_v->cargo_payment = new CargoPayment(front_v);
}
/**
* Checks whether an articulated vehicle is empty.
* @param v Vehicle
* @return true if all parts are empty.
*/
static bool IsArticulatedVehicleEmpty(Vehicle *v)
{
v = v->GetFirstEnginePart();
for (; v != NULL; v = v->HasArticulatedPart() ? v->GetNextArticulatedPart() : NULL) {
if (v->cargo.Count() != 0) return false;
}
return true;
}
/**
* Loads/unload the vehicle if possible.
* @param front the vehicle to be (un)loaded
@ -1221,8 +1237,11 @@ static void LoadUnloadVehicle(Vehicle *front, int *cargo_left)
CargoPayment *payment = front->cargo_payment;
uint artic_part = 0; // Articulated part we are currently trying to load. (not counting parts without capacity)
for (Vehicle *v = front; v != NULL; v = v->Next()) {
if (v == front || !v->Previous()->HasArticulatedPart()) artic_part = 0;
if (v->cargo_cap == 0) continue;
artic_part++;
const Engine *e = v->GetEngine();
byte load_amount = e->info.load_amount;
@ -1312,9 +1331,10 @@ static void LoadUnloadVehicle(Vehicle *front, int *cargo_left)
/* Do not pick up goods when we have no-load set or loading is stopped. */
if (front->current_order.GetLoadType() & OLFB_NO_LOAD || HasBit(front->vehicle_flags, VF_STOP_LOADING)) continue;
/* This order has a refit, the vehicle is a normal vehicle and completely empty, do it now. */
if (front->current_order.IsRefit() && !v->IsArticulatedPart() && v->cargo.Count() == 0 &&
/* This order has a refit, if this is the first vehicle part carrying cargo and the whole vehicle is empty, try refitting. */
if (front->current_order.IsRefit() && artic_part == 1 && IsArticulatedVehicleEmpty(v) &&
(v->type != VEH_AIRCRAFT || (Aircraft::From(v)->IsNormalAircraft() && v->Next()->cargo.Count() == 0))) {
Vehicle *v_start = v->GetFirstEnginePart();
CargoID new_cid = front->current_order.GetRefitCargo();
byte new_subtype = front->current_order.GetRefitSubtype();
@ -1322,7 +1342,7 @@ static void LoadUnloadVehicle(Vehicle *front, int *cargo_left)
/* Check if all articulated parts are empty and collect refit mask. */
uint32 refit_mask = e->info.refit_mask;
Vehicle *w = v;
Vehicle *w = v_start;
while (w->HasArticulatedPart()) {
w = w->GetNextArticulatedPart();
if (w->cargo.Count() > 0) new_cid = CT_NO_REFIT;
@ -1338,7 +1358,7 @@ static void LoadUnloadVehicle(Vehicle *front, int *cargo_left)
/* Try to find out if auto-refitting would succeed. In case the refit is allowed,
* the returned refit capacity will be greater than zero. */
new_subtype = GetBestFittingSubType(v, v, cid);
DoCommand(v->tile, v->index, cid | 1U << 6 | new_subtype << 8 | 1U << 16, DC_QUERY_COST, GetCmdRefitVeh(v)); // Auto-refit and only this vehicle including artic parts.
DoCommand(v_start->tile, v_start->index, cid | 1U << 6 | new_subtype << 8 | 1U << 16, DC_QUERY_COST, GetCmdRefitVeh(v_start)); // Auto-refit and only this vehicle including artic parts.
if (_returned_refit_capacity > 0) {
amount = cargo_left[cid];
new_cid = cid;
@ -1349,7 +1369,7 @@ static void LoadUnloadVehicle(Vehicle *front, int *cargo_left)
/* Refit if given a valid cargo. */
if (new_cid < NUM_CARGO) {
CommandCost cost = DoCommand(v->tile, v->index, new_cid | 1U << 6 | new_subtype << 8 | 1U << 16, DC_EXEC, GetCmdRefitVeh(v)); // Auto-refit and only this vehicle including artic parts.
CommandCost cost = DoCommand(v_start->tile, v_start->index, new_cid | 1U << 6 | new_subtype << 8 | 1U << 16, DC_EXEC, GetCmdRefitVeh(v_start)); // Auto-refit and only this vehicle including artic parts.
if (cost.Succeeded()) front->profit_this_year -= cost.GetCost() << 8;
ge = &st->goods[v->cargo_type];
}