aboutsummaryrefslogtreecommitdiff
path: root/engines/queen/queen.cpp
blob: 2363d29429eaa7d43f020d223745a8909f2ac47a (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
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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2003-2006 The ScummVM project
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/stdafx.h"

#include "base/plugins.h"

#include "common/config-manager.h"
#include "common/file.h"
#include "common/fs.h"
#include "common/savefile.h"
#include "common/system.h"

#include "queen/queen.h"
#include "queen/bankman.h"
#include "queen/command.h"
#include "queen/cutaway.h"
#include "queen/debug.h"
#include "queen/display.h"
#include "queen/graphics.h"
#include "queen/grid.h"
#include "queen/input.h"
#include "queen/logic.h"
#include "queen/resource.h"
#include "queen/sound.h"
#include "queen/talk.h"
#include "queen/walk.h"

static const PlainGameDescriptor queenGameDescriptor = {
	"queen", "Flight of the Amazon Queen"
};

GameList Engine_QUEEN_gameIDList() {
	GameList games;
	games.push_back(queenGameDescriptor);
	return games;
}

GameDescriptor Engine_QUEEN_findGameID(const char *gameid) {
	if (0 == scumm_stricmp(gameid, queenGameDescriptor.gameid)) {
		return queenGameDescriptor;
	}
	return GameDescriptor();
}

GameList Engine_QUEEN_detectGames(const FSList &fslist) {
	GameList detectedGames;

	// Iterate over all files in the given directory
	for (FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
		if (file->isDirectory()) {
			continue;
		}
		if (file->name().equalsIgnoreCase("queen.1") || file->name().equalsIgnoreCase("queen.1c")) {
			Common::File dataFile;
			if (!dataFile.open(*file)) {
				continue;
			}
			Queen::DetectedGameVersion version;
			if (Queen::Resource::detectVersion(&version, &dataFile)) {
				GameDescriptor dg(queenGameDescriptor.gameid, queenGameDescriptor.description, version.language, version.platform);
				if (version.features & Queen::GF_DEMO) {
					dg.updateDesc("Demo");
				} else if (version.features & Queen::GF_INTERVIEW) {
					dg.updateDesc("Interview");
				} else if (version.features & Queen::GF_FLOPPY) {
					dg.updateDesc("Floppy");
				} else if (version.features & Queen::GF_TALKIE) {
					dg.updateDesc("Talkie");
				}
				detectedGames.push_back(dg);
				break;
			}
		}
	}
	return detectedGames;
}

PluginError Engine_QUEEN_create(OSystem *syst, Engine **engine) {
	assert(engine);
	*engine = new Queen::QueenEngine(syst);
	return kNoError;
}

REGISTER_PLUGIN(QUEEN, "Flight of the Amazon Queen", "Flight of the Amazon Queen (C) John Passfield and Steve Stamatiadis");

namespace Queen {

QueenEngine::QueenEngine(OSystem *syst)
	: Engine(syst), _debugger(0) {
}

QueenEngine::~QueenEngine() {
	delete _bam;
	delete _resource;
	delete _bankMan;
	delete _command;
	delete _debugger;
	delete _display;
	delete _graphics;
	delete _grid;
	delete _input;
	delete _logic;
	delete _sound;
	delete _walk;
}

void QueenEngine::registerDefaultSettings() {
	ConfMan.registerDefault("talkspeed", Logic::DEFAULT_TALK_SPEED);
	ConfMan.registerDefault("subtitles", true);
}

void QueenEngine::checkOptionSettings() {
	// check talkspeed value
	if (_talkSpeed < MIN_TEXT_SPEED) {
		_talkSpeed = MIN_TEXT_SPEED;
	} else if (_talkSpeed > MAX_TEXT_SPEED) {
		_talkSpeed = MAX_TEXT_SPEED;
	}

	// ensure text is always on when voice is off
	if (!_sound->speechOn()) {
		_subtitles = true;
	}

	// demo and interview versions don't have speech at all
	if (_sound->speechOn() && (_resource->isDemo() || _resource->isInterview())) {
		_sound->speechToggle(false);
	}
}

void QueenEngine::readOptionSettings() {
	_sound->setVolume(ConfMan.getInt("music_volume"));
	_sound->musicToggle(!ConfMan.getBool("music_mute"));
	_sound->sfxToggle(!ConfMan.getBool("sfx_mute"));
	_talkSpeed = (ConfMan.getInt("talkspeed") * (MAX_TEXT_SPEED - MIN_TEXT_SPEED) + 255 / 2) / 255 + MIN_TEXT_SPEED;
	_sound->speechToggle(!ConfMan.getBool("speech_mute"));
	_subtitles = ConfMan.getBool("subtitles");
	checkOptionSettings();
}

void QueenEngine::writeOptionSettings() {
	ConfMan.setInt("music_volume", _sound->volume());
	ConfMan.setBool("music_mute", !_sound->musicOn());
	ConfMan.setBool("sfx_mute", !_sound->sfxOn());
	ConfMan.setInt("talkspeed", ((_talkSpeed - MIN_TEXT_SPEED) * 255 + (MAX_TEXT_SPEED - MIN_TEXT_SPEED) / 2) / (MAX_TEXT_SPEED - MIN_TEXT_SPEED));
	ConfMan.setBool("speech_mute", !_sound->speechOn());
	ConfMan.setBool("subtitles", _subtitles);
	ConfMan.flushToDisk();
}

void QueenEngine::update(bool checkPlayerInput) {
	if (_debugger->isAttached()) {
		_debugger->onFrame();
	}

	_graphics->update(_logic->currentRoom());
	_logic->update();

	_input->delay();

	if (!_resource->isInterview()) {
		_display->palCustomScroll(_logic->currentRoom());
	}
	BobSlot *joe = _graphics->bob(0);
	_display->update(joe->active, joe->x, joe->y);

	_input->checkKeys();
	if (_input->debugger()) {
		_input->debuggerReset();
		_debugger->attach();
	}
	if (canLoadOrSave()) {
		if (_input->quickSave()) {
			_input->quickSaveReset();
			saveGameState(0, "Quicksave");
		}
		if (_input->quickLoad()) {
			_input->quickLoadReset();
			loadGameState(0);
		}
		if (shouldPerformAutoSave(_lastSaveTime)) {
			saveGameState(AUTOSAVE_SLOT, "Autosave");
			_lastSaveTime = _system->getMillis();
		}
	}
	if (!_input->cutawayRunning()) {
		if (checkPlayerInput) {
			_command->updatePlayer();
		}
		if (_input->idleTime() >= Input::DELAY_SCREEN_BLANKER) {
			_display->blankScreen();
		}
	}
}

bool QueenEngine::canLoadOrSave() const {
	return !_input->cutawayRunning() && !(_resource->isDemo() || _resource->isInterview());
}

void QueenEngine::saveGameState(uint16 slot, const char *desc) {
	debug(3, "Saving game to slot %d", slot);
	char name[20];
	makeGameStateName(slot, name);
	Common::OutSaveFile *file = _saveFileMan->openForSaving(name);
	if (file) {
		// save data
		byte *saveData = new byte[SAVESTATE_MAX_SIZE];
		byte *p = saveData;
		_bam->saveState(p);
		_grid->saveState(p);
		_logic->saveState(p);
		_sound->saveState(p);
		uint32 dataSize = p - saveData;
		assert(dataSize < SAVESTATE_MAX_SIZE);

		// write header
		file->writeUint32BE('SCVM');
		file->writeUint32BE(SAVESTATE_CUR_VER);
		file->writeUint32BE(0);
		file->writeUint32BE(dataSize);
		char description[32];
		memset(description, 0, 32);
		strncpy(description, desc, 31);
		file->write(description, 32);

		// write save data
		file->write(saveData, dataSize);
		file->finalize();

		// check for errors
		if (file->ioFailed()) {
			warning("Can't write file '%s'. (Disk full?)", name);
		}
		delete[] saveData;
		delete file;
	} else {
		warning("Can't create file '%s', game not saved", name);
	}
}

void QueenEngine::loadGameState(uint16 slot) {
	debug(3, "Loading game from slot %d", slot);
	GameStateHeader header;
	Common::InSaveFile *file = readGameStateHeader(slot, &header);
	if (file && header.dataSize != 0) {
		byte *saveData = new byte[header.dataSize];
		byte *p = saveData;
		if (file->read(saveData, header.dataSize) != header.dataSize) {
			warning("Error reading savegame file");
		} else {
			_bam->loadState(header.version, p);
			_grid->loadState(header.version, p);
			_logic->loadState(header.version, p);
			_sound->loadState(header.version, p);
			if (header.dataSize != (uint32)(p - saveData)) {
				warning("Corrupted savegame file");
			} else {
				_logic->setupRestoredGame();
			}
		}
		delete[] saveData;
		delete file;
	}
}

Common::InSaveFile *QueenEngine::readGameStateHeader(uint16 slot, GameStateHeader *gsh) {
	char name[20];
	makeGameStateName(slot, name);
	Common::InSaveFile *file = _saveFileMan->openForLoading(name);
	if (file && file->readUint32BE() == MKID_BE('SCVM')) {
		gsh->version = file->readUint32BE();
		gsh->flags = file->readUint32BE();
		gsh->dataSize = file->readUint32BE();
		file->read(gsh->description, sizeof(gsh->description));
	} else {
		memset(gsh, 0, sizeof(GameStateHeader));
	}
	return file;
}

void QueenEngine::makeGameStateName(uint16 slot, char *buf) {
	if (slot == AUTOSAVE_SLOT) {
		strcpy(buf, "queen.asd");
	} else {
		sprintf(buf, "queen.s%02d", slot);
	}
}

void QueenEngine::findGameStateDescriptions(char descriptions[100][32]) {
	char filename[20];
	makeGameStateName(0, filename);
	filename[strlen(filename) - 2] = 0;
	bool marks[SAVESTATE_MAX_NUM];
	_saveFileMan->listSavefiles(filename, marks, SAVESTATE_MAX_NUM);
	for (int i = 0; i < SAVESTATE_MAX_NUM; ++i) {
		if (marks[i]) {
			GameStateHeader header;
			Common::InSaveFile *f = readGameStateHeader(i, &header);
			strcpy(descriptions[i], header.description);
			delete f;
		}
	}
}

GUI::Debugger *QueenEngine::getDebugger() {
	return _debugger;
}

int QueenEngine::go() {
	_logic->start();
	if (ConfMan.hasKey("save_slot") && canLoadOrSave()) {
		loadGameState(ConfMan.getInt("save_slot"));
	}
	_lastSaveTime = _system->getMillis();
	_quit = false;
	while (!_quit) {
		if (_logic->newRoom() > 0) {
			_logic->update();
			_logic->oldRoom(_logic->currentRoom());
			_logic->currentRoom(_logic->newRoom());
			_logic->changeRoom();
			_display->fullscreen(false);
			if (_logic->currentRoom() == _logic->newRoom()) {
				_logic->newRoom(0);
			}
		} else if (_logic->joeWalk() == JWM_EXECUTE) {
			_logic->joeWalk(JWM_NORMAL);
			_command->executeCurrentAction();
		} else {
			_logic->joeWalk(JWM_NORMAL);
			update(true);
		}
	}
	return 0;
}

int QueenEngine::init() {
	_system->beginGFXTransaction();
		initCommonGFX(false);
		_system->initSize(GAME_SCREEN_WIDTH, GAME_SCREEN_HEIGHT);
	_system->endGFXTransaction();

	_bam = new BamScene(this);
	_resource = new Resource();
	_bankMan = new BankManager(_resource);
	_command = new Command(this);
	_debugger = new Debugger(this);
	_display = new Display(this, _system);
	_graphics = new Graphics(this);
	_grid = new Grid(this);
	_input = new Input(_resource->getLanguage(), _system);

	if (_resource->isDemo()) {
		_logic = new LogicDemo(this);
	} else if (_resource->isInterview()) {
		_logic = new LogicInterview(this);
	} else {
		_logic = new LogicGame(this);
	}

	if (!_mixer->isReady())
		warning("Sound initialisation failed");
	_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, ConfMan.getInt("sfx_volume"));
	// Set mixer music volume to maximum, since music volume is regulated by MusicPlayer's MIDI messages
	_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, Audio::Mixer::kMaxMixerVolume);

	_sound = Sound::makeSoundInstance(_mixer, this, _resource->getCompression());
	_walk = new Walk(this);
	//_talkspeedScale = (MAX_TEXT_SPEED - MIN_TEXT_SPEED) / 255.0;

	registerDefaultSettings();
	readOptionSettings();

	return 0;
}

} // End of namespace Queen