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/* $Id$ */
/** @file vehicle.cpp Base implementations of all vehicles. */
#include "stdafx.h"
#include "openttd.h"
#include "vehicle_type.h"
#include "vehicle_func.h"
#include "vehicle_base.h"
#include "vehicle_gui.h"
#include "core/alloc_func.hpp"
#include "train.h"
#include "vehiclelist.h"
/**
* Generate a list of vehicles inside a depot.
* @param type Type of vehicle
* @param tile The tile the depot is located on
* @param engines Pointer to list to add vehicles to
* @param wagons Pointer to list to add wagons to (can be NULL)
*/
void BuildDepotVehicleList(VehicleType type, TileIndex tile, VehicleList *engines, VehicleList *wagons)
{
engines->Clear();
if (wagons != NULL && wagons != engines) wagons->Clear();
const Vehicle *v;
FOR_ALL_VEHICLES(v) {
/* General tests for all vehicle types */
if (v->type != type) continue;
if (v->tile != tile) continue;
switch (type) {
case VEH_TRAIN:
if (v->u.rail.track != TRACK_BIT_DEPOT) continue;
if (wagons != NULL && IsFreeWagon(v)) {
*wagons->Append() = v;
continue;
}
break;
default:
if (!v->IsInDepot()) continue;
break;
}
if (!v->IsPrimaryVehicle()) continue;
*engines->Append() = v;
}
/* Ensure the lists are not wasting too much space. If the lists are fresh
* (i.e. built within a command) then this will actually do nothing. */
engines->Compact();
if (wagons != NULL && wagons != engines) wagons->Compact();
}
/**
* Generate a list of vehicles based on window type.
* @param list Pointer to list to add vehicles to
* @param type Type of vehicle
* @param owner Player to generate list for
* @param index This parameter has different meanings depending on window_type
* <ul>
* <li>VLW_STATION_LIST: index of station to generate a list for</li>
* <li>VLW_SHARED_ORDERS: index of order to generate a list for<li>
* <li>VLW_STANDARD: not used<li>
* <li>VLW_DEPOT_LIST: TileIndex of the depot/hangar to make the list for</li>
* <li>VLW_GROUP_LIST: index of group to generate a list for</li>
* </ul>
* @param window_type The type of window the list is for, using the VLW_ flags in vehicle_gui.h
*/
void GenerateVehicleSortList(VehicleList *list, VehicleType type, PlayerID owner, uint32 index, uint16 window_type)
{
list->Clear();
const Vehicle *v;
switch (window_type) {
case VLW_STATION_LIST:
FOR_ALL_VEHICLES(v) {
if (v->type == type && v->IsPrimaryVehicle()) {
const Order *order;
FOR_VEHICLE_ORDERS(v, order) {
if (order->IsType(OT_GOTO_STATION) && order->GetDestination() == index) {
*list->Append() = v;
break;
}
}
}
}
break;
case VLW_SHARED_ORDERS:
FOR_ALL_VEHICLES(v) {
/* Find a vehicle with the order in question */
if (v->orders != NULL && v->orders->index == index) {
/* Add all vehicles from this vehicle's shared order list */
for (v = GetFirstVehicleFromSharedList(v); v != NULL; v = v->next_shared) {
*list->Append() = v;
}
break;
}
}
break;
case VLW_STANDARD:
FOR_ALL_VEHICLES(v) {
if (v->type == type && v->owner == owner && v->IsPrimaryVehicle()) {
*list->Append() = v;
}
}
break;
case VLW_DEPOT_LIST:
FOR_ALL_VEHICLES(v) {
if (v->type == type && v->IsPrimaryVehicle()) {
const Order *order;
FOR_VEHICLE_ORDERS(v, order) {
if (order->IsType(OT_GOTO_DEPOT) && order->GetDestination() == index) {
*list->Append() = v;
break;
}
}
}
}
break;
case VLW_GROUP_LIST:
FOR_ALL_VEHICLES(v) {
if (v->type == type && v->IsPrimaryVehicle() &&
v->owner == owner && v->group_id == index) {
*list->Append() = v;
}
}
break;
default: NOT_REACHED(); break;
}
list->Compact();
}
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