(svn r11003) -Codechange: replace Vehicle->next to Vehicle->Next() and Vehicle->SetNext() so we can trap instances that change a next pointer and (in the future) update the first/previous pointers based on that.

This commit is contained in:
rubidium
2007-08-30 13:03:56 +00:00
parent 6edf2d3a1b
commit 235ad4ab6b
21 changed files with 164 additions and 147 deletions

View File

@@ -222,9 +222,9 @@ struct Vehicle : PoolItem<Vehicle, VehicleID, &_Vehicle_pool> {
VehicleTypeByte type; ///< Type of vehicle
byte subtype; // subtype (Filled with values from EffectVehicles/TrainSubTypes/AircraftSubTypes)
Vehicle *next; // next
Vehicle *next; // pointer to the next vehicle in the chain
Vehicle *first; // NOSAVE: pointer to the first vehicle in the chain
Vehicle *depot_list; //NOSAVE: linked list to tell what vehicles entered a depot during the last tick. Used by autoreplace
Vehicle *depot_list; // NOSAVE: linked list to tell what vehicles entered a depot during the last tick. Used by autoreplace
StringID string_id; // Displayed string
@@ -455,7 +455,24 @@ struct Vehicle : PoolItem<Vehicle, VehicleID, &_Vehicle_pool> {
*/
Money GetDisplayRunningCost() const { return (this->GetRunningCost() >> 8); }
bool IsValid() const { return this->type != VEH_INVALID; }
/**
* Is this vehicle a valid vehicle?
* @return true if and only if the vehicle is valid.
*/
inline bool IsValid() const { return this->type != VEH_INVALID; }
/**
* Set the next vehicle of this vehicle.
* @param next the next vehicle. NULL removes the next vehicle.
*/
void SetNext(Vehicle *next) { this->next = next; }
/**
* Get the next vehicle of this vehicle.
* @note articulated parts are also counted as vehicles.
* @return the next vehicle or NULL when there isn't a next vehicle.
*/
inline Vehicle *Next() const { return this->next; }
};
/**
@@ -632,7 +649,7 @@ GetNewVehiclePosResult GetNewVehiclePos(const Vehicle *v);
Direction GetDirectionTowards(const Vehicle *v, int x, int y);
#define BEGIN_ENUM_WAGONS(v) do {
#define END_ENUM_WAGONS(v) } while ((v = v->next) != NULL);
#define END_ENUM_WAGONS(v) } while ((v = v->Next()) != NULL);
static inline VehicleID GetMaxVehicleIndex()
{