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Location: cpp/openttd-patchpack/source/src/order_base.h - annotation
r8802:3a3f8a172f6c
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(svn r12542) -Fix [Makefile]: Don't install scenarios into the current user's homedir when running 'make install', that is silly. Simply always install scenarios system wide instead.
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/** @file order_base.h */
#ifndef ORDER_BASE_H
#define ORDER_BASE_H
#include "order_type.h"
#include "oldpool.h"
#include "core/bitmath_func.hpp"
#include "cargo_type.h"
DECLARE_OLD_POOL(Order, Order, 6, 1000)
/* If you change this, keep in mind that it is saved on 3 places:
* - Load_ORDR, all the global orders
* - Vehicle -> current_order
* - REF_ORDER (all REFs are currently limited to 16 bits!!)
*/
struct Order : PoolItem<Order, OrderID, &_Order_pool> {
Order *next; ///< Pointer to next order. If NULL, end of list
OrderTypeByte type;
uint8 flags;
DestinationID dest; ///< The destionation of the order.
CargoID refit_cargo; // Refit CargoID
byte refit_subtype; // Refit subtype
uint16 wait_time; ///< How long in ticks to wait at the destination.
uint16 travel_time; ///< How long in ticks the journey to this destination should take.
Order() : refit_cargo(CT_NO_REFIT) {}
~Order() { this->type = OT_NOTHING; }
/**
* Check if a Order really exists.
*/
inline bool IsValid() const { return this->type != OT_NOTHING; }
void Free();
void FreeChain();
};
static inline VehicleOrderID GetMaxOrderIndex()
{
/* TODO - This isn't the real content of the function, but
* with the new pool-system this will be replaced with one that
* _really_ returns the highest index. Now it just returns
* the next safe value we are sure about everything is below.
*/
return GetOrderPoolSize() - 1;
}
static inline VehicleOrderID GetNumOrders()
{
return GetOrderPoolSize();
}
inline void Order::Free()
{
this->type = OT_NOTHING;
this->flags = 0;
this->dest = 0;
this->next = NULL;
}
inline void Order::FreeChain()
{
if (next != NULL) next->FreeChain();
delete this;
}
#define FOR_ALL_ORDERS_FROM(order, start) for (order = GetOrder(start); order != NULL; order = (order->index + 1U < GetOrderPoolSize()) ? GetOrder(order->index + 1U) : NULL) if (order->IsValid())
#define FOR_ALL_ORDERS(order) FOR_ALL_ORDERS_FROM(order, 0)
#define FOR_VEHICLE_ORDERS(v, order) for (order = v->orders; order != NULL; order = order->next)
static inline bool HasOrderPoolFree(uint amount)
{
const Order *order;
/* There is always room if not all blocks in the pool are reserved */
if (_Order_pool.CanAllocateMoreBlocks()) return true;
FOR_ALL_ORDERS(order) if (!order->IsValid() && --amount == 0) return true;
return false;
}
/* Pack and unpack routines */
static inline uint32 PackOrder(const Order *order)
{
return order->dest << 16 | order->flags << 8 | order->type;
}
static inline Order UnpackOrder(uint32 packed)
{
Order order;
order.type = (OrderType)GB(packed, 0, 8);
order.flags = GB(packed, 8, 8);
order.dest = GB(packed, 16, 16);
order.next = NULL;
order.index = 0; // avoid compiler warning
order.refit_cargo = CT_NO_REFIT;
order.refit_subtype = 0;
order.wait_time = 0;
order.travel_time = 0;
return order;
}
void AssignOrder(Order *order, Order data);
Order UnpackOldOrder(uint16 packed);
#endif /* ORDER_H */
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