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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on the original source code of Lord Avalot d'Argent version 1.3.
* Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
*/
#include "avalanche/avalanche.h"
#include "common/system.h"
#include "common/savefile.h"
#include "engines/advancedDetector.h"
#include "graphics/thumbnail.h"
namespace Avalanche {
struct AvalancheGameDescription {
ADGameDescription desc;
};
uint32 AvalancheEngine::getFeatures() const {
return _gameDescription->desc.flags;
}
const char *AvalancheEngine::getGameId() const {
return _gameDescription->desc.gameid;
}
static const PlainGameDescriptor avalancheGames[] = {
{"avalanche", "Lord Avalot d'Argent"},
{0, 0}
};
static const ADGameDescription gameDescriptions[] = {
{
"avalanche", 0,
{
{"avalot.sez", 0, "de10eb353228013da3d3297784f81ff9", 48763},
{"mainmenu.avd", 0, "89f31211af579a872045b175cc264298", 18880},
AD_LISTEND
},
Common::EN_ANY,
Common::kPlatformDOS,
ADGF_NO_FLAGS,
GUIO0()
},
AD_TABLE_END_MARKER
};
class AvalancheMetaEngine : public AdvancedMetaEngine {
public:
AvalancheMetaEngine() : AdvancedMetaEngine(gameDescriptions, sizeof(AvalancheGameDescription), avalancheGames) {
}
const char *getName() const {
return "Avalanche";
}
const char *getOriginalCopyright() const {
return "Avalanche Engine Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.";
}
bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const;
bool hasFeature(MetaEngineFeature f) const;
int getMaximumSaveSlot() const { return 99; }
SaveStateList listSaves(const char *target) const;
void removeSaveState(const char *target, int slot) const;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};
bool AvalancheMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const {
if (gd)
*engine = new AvalancheEngine(syst, (const AvalancheGameDescription *)gd);
return gd != 0;
}
bool AvalancheMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsDeleteSave) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail);
}
SaveStateList AvalancheMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String pattern = target;
pattern.toUppercase();
pattern += "-??.SAV";
filenames = saveFileMan->listSavefiles(pattern);
sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
SaveStateList saveList;
char slot[3];
for (Common::StringArray::const_iterator filename = filenames.begin(); filename != filenames.end(); ++filename) {
slot[0] = filename->c_str()[filename->size() - 6];
slot[1] = filename->c_str()[filename->size() - 5];
slot[2] = '\0';
// Obtain the last 2 digits of the filename (without extension), since they correspond to the save slot
int slotNum = atoi(slot);
if (slotNum >= 0 && slotNum <= getMaximumSaveSlot()) {
Common::InSaveFile *file = saveFileMan->openForLoading(*filename);
if (file) {
// Check for our signature.
Common::String signature;
for (int i = 0; i < 4; i++)
signature += file->readByte();
if (signature != "AVAL") {
warning("Savegame of incompatible type!");
delete file;
continue;
}
// Check version.
byte saveVersion = file->readByte();
if (saveVersion != kSavegameVersion) {
warning("Savegame of incompatible version!");
delete file;
continue;
}
// Read name.
uint32 nameSize = file->readUint32LE();
if (nameSize >= 255) {
delete file;
continue;
}
char *name = new char[nameSize + 1];
file->read(name, nameSize);
name[nameSize] = 0;
saveList.push_back(SaveStateDescriptor(slotNum, name));
delete[] name;
delete file;
}
}
}
return saveList;
}
void AvalancheMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String fileName = Common::String::format("%s-%02d.SAV", target, slot);
g_system->getSavefileManager()->removeSavefile(fileName);
}
SaveStateDescriptor AvalancheMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String fileName = Common::String::format("%s-%02d.SAV", target, slot);
Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(fileName);
if (f) {
// Check for our signature.
Common::String signature;
for (int i = 0; i < 4; i++)
signature += f->readByte();
if (signature != "AVAL") {
warning("Savegame of incompatible type!");
delete f;
return SaveStateDescriptor();
}
// Check version.
byte saveVersion = f->readByte();
if (saveVersion != kSavegameVersion) {
warning("Savegame of incompatible version!");
delete f;
return SaveStateDescriptor();
}
// Read the description.
uint32 descSize = f->readUint32LE();
Common::String description;
for (uint32 i = 0; i < descSize; i++) {
char actChar = f->readByte();
description += actChar;
}
SaveStateDescriptor desc(slot, description);
::Graphics::Surface *const thumbnail = ::Graphics::loadThumbnail(*f);
desc.setThumbnail(thumbnail);
delete f;
return desc;
}
return SaveStateDescriptor();
}
} // End of namespace Avalanche
#if PLUGIN_ENABLED_DYNAMIC(AVALANCHE)
REGISTER_PLUGIN_DYNAMIC(AVALANCHE, PLUGIN_TYPE_ENGINE, Avalanche::AvalancheMetaEngine);
#else
REGISTER_PLUGIN_STATIC(AVALANCHE, PLUGIN_TYPE_ENGINE, Avalanche::AvalancheMetaEngine);
#endif
|
