summaryrefslogtreecommitdiff
path: root/src/vehiclelist.cpp
blob: 46762b247cf303496b8dfa6648efb1d7df236630 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/* $Id$ */

/** @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>
 *      <li>VLW_WAYPOINT_LIST: index of waypoint 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:
			/* Add all vehicles from this vehicle's shared order list */
			for (v = GetVehicle(index); v != NULL; v = v->NextShared()) {
				*list->Append() = v;
			}
			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_WAYPOINT_LIST:
			FOR_ALL_VEHICLES(v) {
				if (v->type == type && v->IsPrimaryVehicle()) {
					const Order *order;

					FOR_VEHICLE_ORDERS(v, order) {
						if (order->IsType(OT_GOTO_WAYPOINT) && 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();
}