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
|
/* 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.
*
*/
#include "common/system.h"
#include "common/debug.h"
#include "common/error.h"
#include "common/file.h"
#include "common/stream.h"
#include "adl/hires2.h"
#include "adl/display.h"
#include "adl/graphics.h"
#include "adl/disk.h"
namespace Adl {
void HiRes2Engine::runIntro() const {
StreamPtr stream(_disk->createReadStream(0x00, 0xd, 0x17, 1));
_display->setMode(DISPLAY_MODE_TEXT);
Common::String str = readString(*stream);
if (stream->eos() || stream->err())
error("Error reading disk image");
_display->printString(str);
delay(2000);
}
void HiRes2Engine::init() {
_graphics = new Graphics_v2(*_display);
_disk = new DiskImage_DSK();
if (!_disk->open(IDS_HR2_DISK_IMAGE))
error("Failed to open disk image '" IDS_HR2_DISK_IMAGE "'");
StreamPtr stream(_disk->createReadStream(0x1f, 0x2, 0x00, 4));
for (uint i = 0; i < IDI_HR2_NUM_MESSAGES; ++i)
_messages.push_back(readDataBlockPtr(*stream));
// Read parser messages
stream.reset(_disk->createReadStream(0x1a, 0x1));
_strings.verbError = readStringAt(*stream, 0x4f);
_strings.nounError = readStringAt(*stream, 0x8e);
_strings.enterCommand = readStringAt(*stream, 0xbc);
// Read time string
stream.reset(_disk->createReadStream(0x19, 0x7, 0xd7));
_strings_v2.time = readString(*stream, 0xff);
// Read line feeds
stream.reset(_disk->createReadStream(0x19, 0xb, 0xf8, 1));
_strings.lineFeeds = readString(*stream);
// Read opcode strings
stream.reset(_disk->createReadStream(0x1a, 0x6, 0x00, 2));
_strings_v2.saveInsert = readStringAt(*stream, 0x5f);
_strings_v2.saveReplace = readStringAt(*stream, 0xe5);
_strings_v2.restoreInsert = readStringAt(*stream, 0x132);
_strings_v2.restoreReplace = readStringAt(*stream, 0x1c2);
_strings.playAgain = readStringAt(*stream, 0x225);
_strings.pressReturn = readStringAt(*stream, 0x25f);
_messageIds.cantGoThere = IDI_HR2_MSG_CANT_GO_THERE;
_messageIds.dontUnderstand = IDI_HR2_MSG_DONT_UNDERSTAND;
_messageIds.itemDoesntMove = IDI_HR2_MSG_ITEM_DOESNT_MOVE;
_messageIds.itemNotHere = IDI_HR2_MSG_ITEM_NOT_HERE;
_messageIds.thanksForPlaying = IDI_HR2_MSG_THANKS_FOR_PLAYING;
// Load global picture data
stream.reset(_disk->createReadStream(0x19, 0xa, 0x80, 0));
byte picNr;
while ((picNr = stream->readByte()) != 0xff) {
if (stream->eos() || stream->err())
error("Error reading global pic list");
_pictures[picNr] = readDataBlockPtr(*stream);
}
// Load item picture data
stream.reset(_disk->createReadStream(0x1e, 0x9, 0x05));
for (uint i = 0; i < IDI_HR2_NUM_ITEM_PICS; ++i) {
stream->readByte(); // number
_itemPics.push_back(readDataBlockPtr(*stream));
}
// Load commands from executable
stream.reset(_disk->createReadStream(0x1d, 0x7, 0x00, 4));
readCommands(*stream, _roomCommands);
stream.reset(_disk->createReadStream(0x1f, 0x7, 0x00, 2));
readCommands(*stream, _globalCommands);
// Load dropped item offsets
stream.reset(_disk->createReadStream(0x1b, 0x4, 0x15));
for (uint i = 0; i < IDI_HR2_NUM_ITEM_OFFSETS; ++i) {
Common::Point p;
p.x = stream->readByte();
p.y = stream->readByte();
_itemOffsets.push_back(p);
}
// Load verbs
stream.reset(_disk->createReadStream(0x19, 0x0, 0x00, 3));
loadWords(*stream, _verbs, _priVerbs);
// Load nouns
stream.reset(_disk->createReadStream(0x22, 0x2, 0x00, 7));
loadWords(*stream, _nouns, _priNouns);
}
void HiRes2Engine::initState() {
_linesPrinted = 0;
_state = State();
_state.vars.resize(IDI_HR2_NUM_VARS);
StreamPtr stream(_disk->createReadStream(0x21, 0x5, 0x0e, 7));
for (uint i = 0; i < IDI_HR2_NUM_ROOMS; ++i) {
Room room;
stream->readByte(); // number
for (uint j = 0; j < 6; ++j)
room.connections[j] = stream->readByte();
room.data = readDataBlockPtr(*stream);
room.picture = stream->readByte();
room.curPicture = stream->readByte();
room.isFirstTime = stream->readByte();
_state.rooms.push_back(room);
}
stream.reset(_disk->createReadStream(0x21, 0x0, 0x00, 2));
byte id;
while ((id = stream->readByte()) != 0xff) {
Item item = { };
item.id = id;
item.noun = stream->readByte();
item.room = stream->readByte();
item.picture = stream->readByte();
item.isLineArt = stream->readByte(); // Is this still used in this way?
item.position.x = stream->readByte();
item.position.y = stream->readByte();
item.state = stream->readByte();
item.description = stream->readByte();
stream->readByte(); // Struct size
byte picListSize = stream->readByte();
// Flag to keep track of what has been drawn on the screen
stream->readByte();
for (uint i = 0; i < picListSize; ++i)
item.roomPictures.push_back(stream->readByte());
_state.items.push_back(item);
}
}
Engine *HiRes2Engine_create(OSystem *syst, const AdlGameDescription *gd) {
return new HiRes2Engine(syst, gd);
}
} // End of namespace Adl
|
