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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/* $Id$ */
/** @file order_sl.cpp Code handling saving and loading of orders */
#include "../stdafx.h"
#include "../order_base.h"
#include "../core/alloc_func.hpp"
#include "../settings_type.h"
#include "saveload.h"
void Order::ConvertFromOldSavegame()
{
uint8 old_flags = this->flags;
this->flags = 0;
/* First handle non-stop - use value from savegame if possible, else use value from config file */
if (_settings_client.gui.sg_new_nonstop || (CheckSavegameVersion(22) && _settings_client.gui.new_nonstop)) {
/* OFB_NON_STOP */
this->SetNonStopType((old_flags & 8) ? ONSF_NO_STOP_AT_ANY_STATION : ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS);
} else {
this->SetNonStopType((old_flags & 8) ? ONSF_NO_STOP_AT_INTERMEDIATE_STATIONS : ONSF_STOP_EVERYWHERE);
}
switch (this->GetType()) {
/* Only a few types need the other savegame conversions. */
case OT_GOTO_DEPOT: case OT_GOTO_STATION: case OT_LOADING: break;
default: return;
}
if (this->GetType() != OT_GOTO_DEPOT) {
/* Then the load flags */
if ((old_flags & 2) != 0) { // OFB_UNLOAD
this->SetLoadType(OLFB_NO_LOAD);
} else if ((old_flags & 4) == 0) { // !OFB_FULL_LOAD
this->SetLoadType(OLF_LOAD_IF_POSSIBLE);
} else {
/* old OTTD versions stored full_load_any in config file - assume it was enabled when loading */
this->SetLoadType(_settings_client.gui.sg_full_load_any || CheckSavegameVersion(22) ? OLF_FULL_LOAD_ANY : OLFB_FULL_LOAD);
}
if (this->IsType(OT_GOTO_STATION)) this->SetStopLocation(OSL_PLATFORM_FAR_END);
/* Finally fix the unload flags */
if ((old_flags & 1) != 0) { // OFB_TRANSFER
this->SetUnloadType(OUFB_TRANSFER);
} else if ((old_flags & 2) != 0) { // OFB_UNLOAD
this->SetUnloadType(OUFB_UNLOAD);
} else {
this->SetUnloadType(OUF_UNLOAD_IF_POSSIBLE);
}
} else {
/* Then the depot action flags */
this->SetDepotActionType(((old_flags & 6) == 4) ? ODATFB_HALT : ODATF_SERVICE_ONLY);
/* Finally fix the depot type flags */
uint t = ((old_flags & 6) == 6) ? ODTFB_SERVICE : ODTF_MANUAL;
if ((old_flags & 2) != 0) t |= ODTFB_PART_OF_ORDERS;
this->SetDepotOrderType((OrderDepotTypeFlags)t);
}
}
/** Unpacks a order from savegames with version 4 and lower
* @param packed packed order
* @return unpacked order
*/
static Order UnpackVersion4Order(uint16 packed)
{
return Order(GB(packed, 8, 8) << 16 | GB(packed, 4, 4) << 8 | GB(packed, 0, 4));
}
/** Unpacks a order from savegames made with TTD(Patch)
* @param packed packed order
* @return unpacked order
*/
Order UnpackOldOrder(uint16 packed)
{
Order order = UnpackVersion4Order(packed);
/*
* Sanity check
* TTD stores invalid orders as OT_NOTHING with non-zero flags/station
*/
if (!order.IsValid() && packed != 0) order.MakeDummy();
return order;
}
const SaveLoad *GetOrderDescription()
{
static const SaveLoad _order_desc[] = {
SLE_VAR(Order, type, SLE_UINT8),
SLE_VAR(Order, flags, SLE_UINT8),
SLE_VAR(Order, dest, SLE_UINT16),
SLE_REF(Order, next, REF_ORDER),
SLE_CONDVAR(Order, refit_cargo, SLE_UINT8, 36, SL_MAX_VERSION),
SLE_CONDVAR(Order, refit_subtype, SLE_UINT8, 36, SL_MAX_VERSION),
SLE_CONDVAR(Order, wait_time, SLE_UINT16, 67, SL_MAX_VERSION),
SLE_CONDVAR(Order, travel_time, SLE_UINT16, 67, SL_MAX_VERSION),
/* Leftover from the minor savegame version stuff
* We will never use those free bytes, but we have to keep this line to allow loading of old savegames */
SLE_CONDNULL(10, 5, 35),
SLE_END()
};
return _order_desc;
}
static void Save_ORDR()
{
Order *order;
FOR_ALL_ORDERS(order) {
SlSetArrayIndex(order->index);
SlObject(order, GetOrderDescription());
}
}
static void Load_ORDR()
{
if (CheckSavegameVersionOldStyle(5, 2)) {
/* Version older than 5.2 did not have a ->next pointer. Convert them
(in the old days, the orderlist was 5000 items big) */
size_t len = SlGetFieldLength();
uint i;
if (CheckSavegameVersion(5)) {
/* Pre-version 5 had an other layout for orders
(uint16 instead of uint32) */
len /= sizeof(uint16);
uint16 *orders = MallocT<uint16>(len + 1);
SlArray(orders, len, SLE_UINT16);
for (i = 0; i < len; ++i) {
Order *order = new (i) Order();
order->AssignOrder(UnpackVersion4Order(orders[i]));
}
free(orders);
} else if (CheckSavegameVersionOldStyle(5, 2)) {
len /= sizeof(uint32);
uint32 *orders = MallocT<uint32>(len + 1);
SlArray(orders, len, SLE_UINT32);
for (i = 0; i < len; ++i) {
new (i) Order(orders[i]);
}
free(orders);
}
/* Update all the next pointer */
for (i = 1; i < len; ++i) {
/* The orders were built like this:
* While the order is valid, set the previous will get it's next pointer set
* We start with index 1 because no order will have the first in it's next pointer */
if (Order::Get(i)->IsValid())
Order::Get(i - 1)->next = Order::Get(i);
}
} else {
int index;
while ((index = SlIterateArray()) != -1) {
Order *order = new (index) Order();
SlObject(order, GetOrderDescription());
}
}
}
const SaveLoad *GetOrderListDescription()
{
static const SaveLoad _orderlist_desc[] = {
SLE_REF(OrderList, first, REF_ORDER),
SLE_END()
};
return _orderlist_desc;
}
static void Save_ORDL()
{
OrderList *list;
FOR_ALL_ORDER_LISTS(list) {
SlSetArrayIndex(list->index);
SlObject(list, GetOrderListDescription());
}
}
static void Load_ORDL()
{
int index;
while ((index = SlIterateArray()) != -1) {
OrderList *list = new (index) OrderList();
SlObject(list, GetOrderListDescription());
}
}
extern const ChunkHandler _order_chunk_handlers[] = {
{ 'ORDR', Save_ORDR, Load_ORDR, CH_ARRAY},
{ 'ORDL', Save_ORDL, Load_ORDL, CH_ARRAY | CH_LAST},
};
|
