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(svn r20389) [NoAI] -Add: AIOrder::IsVoidOrder to find void "(Invalid Order)" orders.

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[NoAI] -Change: AIOrder::GetOrderFlags returns AIOrder::AIOF_INVALID for void orders.
This commit is contained in:
rubidium
2010-08-06 19:04:21 +00:00
parent d54f2ba21f
commit 90a35d2e5b
4 changed files with 26 additions and 2 deletions
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2
src/ai/api/ai_changelog.hpp
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@@ -24,6 +24,7 @@
* \li AIIndustry::GetIndustryID
* \li AIIndustryType::INDUSTRYTYPE_TOWN
* \li AIIndustryType::INDUSTRYTYPE_UNKNOWN
* \li AIOrder::IsVoidOrder
*
* API removals:
* \li HasNext for all lists.
@@ -34,6 +35,7 @@
* \li AIEngine::GetPower can be used for road vehicles.
* \li AIEngine::GetWeight can be used for road vehicles.
* \li AIEngine::GetMaxTractiveEffort can be used for road vehicles.
* \li AIOrder::GetOrderFlags returns AIOrder::AIOF_INVALID for void orders as well.
*
* \b 1.0.3
*

11
src/ai/api/ai_order.cpp
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@@ -99,6 +99,15 @@ static const Order *ResolveOrder(VehicleID vehicle_id, AIOrder::OrderPosition or
return order->GetType() == OT_CONDITIONAL;
}
/* static */ bool AIOrder::IsVoidOrder(VehicleID vehicle_id, OrderPosition order_position)
{
if (order_position == ORDER_CURRENT) return false;
if (!IsValidVehicleOrder(vehicle_id, order_position)) return false;
const Order *order = Vehicle::Get(vehicle_id)->GetOrder(order_position);
return order->GetType() == OT_DUMMY;
}
/* static */ bool AIOrder::IsCurrentOrderPartOfOrderList(VehicleID vehicle_id)
{
if (AIVehicle::IsValidVehicle(vehicle_id)) return false;
@@ -224,7 +233,7 @@ static const Order *ResolveOrder(VehicleID vehicle_id, AIOrder::OrderPosition or
if (!IsValidVehicleOrder(vehicle_id, order_position)) return AIOF_INVALID;
const Order *order = ::ResolveOrder(vehicle_id, order_position);
if (order == NULL || order->GetType() == OT_CONDITIONAL) return AIOF_INVALID;
if (order == NULL || order->GetType() == OT_CONDITIONAL || order->GetType() == OT_DUMMY) return AIOF_INVALID;
AIOrderFlags order_flags = AIOF_NONE;
order_flags |= (AIOrderFlags)order->GetNonStopType();

14
src/ai/api/ai_order.hpp
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@@ -172,6 +172,18 @@ public:
*/
static bool IsConditionalOrder(VehicleID vehicle_id, OrderPosition order_position);
/**
* Checks whether the given order is a void order.
* A void order is an order that used to be a goto station, depot or waypoint order but
* its destination got removed. In OpenTTD these orders as shown as "(Invalid Order)"
* in the order list of a vehicle.
* @param vehicle_id The vehicle to check.
* @param order_position The order index to check.
* @pre order_position != ORDER_CURRENT && IsValidVehicleOrder(vehicle_id, order_position).
* @return True if and only if the order is a void order.
*/
static bool IsVoidOrder(VehicleID vehicle_id, OrderPosition order_position);
/**
* Checks whether the current order is part of the orderlist.
* @param vehicle_id The vehicle to check.
@@ -240,7 +252,7 @@ public:
* @param vehicle_id The vehicle to get the destination for.
* @param order_position The order to get the destination for.
* @pre IsValidVehicleOrder(vehicle_id, order_position).
* @pre order_position == ORDER_CURRENT || !IsConditionalOrder(vehicle_id, order_position).
* @pre order_position == ORDER_CURRENT || (!IsConditionalOrder(vehicle_id, order_position) && !IsVoidOrder(vehicle_id, order_position)).
* @note Giving ORDER_CURRENT as order_position will give the order that is
* currently being executed by the vehicle. This is not necessarily the
* current order as given by ResolveOrderPosition (the current index in the

1
src/ai/api/ai_order.hpp.sq
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@@ -94,6 +94,7 @@ void SQAIOrder_Register(Squirrel *engine)
SQAIOrder.DefSQStaticMethod(engine, &AIOrder::IsGotoDepotOrder, "IsGotoDepotOrder", 3, ".ii");
SQAIOrder.DefSQStaticMethod(engine, &AIOrder::IsGotoWaypointOrder, "IsGotoWaypointOrder", 3, ".ii");
SQAIOrder.DefSQStaticMethod(engine, &AIOrder::IsConditionalOrder, "IsConditionalOrder", 3, ".ii");
SQAIOrder.DefSQStaticMethod(engine, &AIOrder::IsVoidOrder, "IsVoidOrder", 3, ".ii");
SQAIOrder.DefSQStaticMethod(engine, &AIOrder::IsCurrentOrderPartOfOrderList, "IsCurrentOrderPartOfOrderList", 2, ".i");
SQAIOrder.DefSQStaticMethod(engine, &AIOrder::ResolveOrderPosition, "ResolveOrderPosition", 3, ".ii");
SQAIOrder.DefSQStaticMethod(engine, &AIOrder::AreOrderFlagsValid, "AreOrderFlagsValid", 3, ".ii");