aboutsummaryrefslogtreecommitdiff
path: root/engines/parallaction/dialogue.cpp
blob: e41f7f32720e691c1075a4664628573b2bff2d31 (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
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
/* 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/events.h"
#include "parallaction/exec.h"
#include "parallaction/input.h"
#include "parallaction/parallaction.h"



namespace Parallaction {

#define MAX_PASSWORD_LENGTH			 7
/*
#define QUESTION_BALLOON_X			140
#define QUESTION_BALLOON_Y			10
#define QUESTION_CHARACTER_X		  190
#define QUESTION_CHARACTER_Y		  80

#define ANSWER_CHARACTER_X			10
#define ANSWER_CHARACTER_Y			80
*/
struct BalloonPositions {
	Common::Point	_questionBalloon;
	Common::Point	_questionChar;

	Common::Point	_answerChar;
};

BalloonPositions _balloonPositions_NS = {
	Common::Point(140, 10),
	Common::Point(190, 80),
	Common::Point(10, 80)
};

BalloonPositions _balloonPositions_BR = {
	Common::Point(0, 0),
	Common::Point(380, 80),
	Common::Point(10, 80)
};


class DialogueManager {

	enum {
		RUN_QUESTION,
		RUN_ANSWER,
		NEXT_QUESTION,
		NEXT_ANSWER,
		DIALOGUE_OVER
	} _state;

	Parallaction	*_vm;
	Dialogue		*_dialogue;

	bool			_askPassword;
	int				_passwordLen;
	bool			_passwordChanged;

	bool			isNpc;
	GfxObj			*_questioner;
	GfxObj			*_answerer;
	int				_faceId;

	Question		*_q;

	uint16			_visAnswers[5];
	int			_numVisAnswers;

	int			_answerId;

	int		_selection, _oldSelection;

	uint32			_mouseButtons;
	Common::Point	_mousePos;
	bool			_isKeyDown;
	uint16			_downKey;

	BalloonPositions	_ballonPos;

public:
	DialogueManager(Parallaction *vm, ZonePtr z);
	virtual ~DialogueManager();

	bool isOver() {
		return _state == DIALOGUE_OVER;
	}
	void run();

	ZonePtr			_z;
	CommandList *_cmdList;

protected:
	bool displayQuestion();
	bool displayAnswers();
	bool testAnswerFlags(Answer *a);
	virtual bool canDisplayAnswer(Answer *a) = 0;

	int16 selectAnswer1();
	int16 selectAnswerN();
	int16 askPassword();
	int16 getHoverAnswer(int16 x, int16 y);

	void runQuestion();
	void runAnswer();
	void nextQuestion();
	void nextAnswer();

	bool checkPassword();
	void resetPassword();
	void accumPassword(uint16 ascii);
};

class DialogueManager_ns : public DialogueManager {
	Parallaction_ns *_vm;

public:
	DialogueManager_ns(Parallaction_ns *vm, ZonePtr z) : DialogueManager(vm, z), _vm(vm) {
	}

	virtual bool canDisplayAnswer(Answer *a) {
		return testAnswerFlags(a);
	}
};

class DialogueManager_br : public DialogueManager {
	Parallaction_br *_vm;

public:
	DialogueManager_br(Parallaction_br *vm, ZonePtr z) : DialogueManager(vm, z), _vm(vm) {
	}

	virtual bool canDisplayAnswer(Answer *a) {
		if (!a)
			return false;

		if (a->_hasCounterCondition) {
			_vm->testCounterCondition(a->_counterName, a->_counterOp, a->_counterValue);
			return (_vm->getLocationFlags() & kFlagsTestTrue) != 0;
		}

		return testAnswerFlags(a);
	}
};


DialogueManager::DialogueManager(Parallaction *vm, ZonePtr z) : _vm(vm), _z(z) {
	int gtype = vm->getGameType();
	if (gtype == GType_Nippon) {
		_ballonPos = _balloonPositions_NS;
	} else
	if (gtype == GType_BRA) {
		_ballonPos = _balloonPositions_BR;
	} else
		error("unsupported game in DialogueManager");

	_dialogue = _z->u.speak->_dialogue;
	isNpc = scumm_stricmp(_z->u.speak->_name, "yourself") && _z->u.speak->_name[0] != '\0';
	_questioner = isNpc ? _vm->_disk->loadTalk(_z->u.speak->_name) : _vm->_char._talk;
	_answerer = _vm->_char._talk;

	_askPassword = false;
	_q = _dialogue->_questions[0];

	_cmdList = 0;
	_answerId = 0;

	_state = displayQuestion() ? RUN_QUESTION : NEXT_ANSWER;
}

DialogueManager::~DialogueManager() {
	if (isNpc) {
		delete _questioner;
	}
	_z.reset();
}


bool DialogueManager::testAnswerFlags(Answer *a) {
	uint32 flags = _vm->getLocationFlags();
	if (a->_yesFlags & kFlagsGlobal)
		flags = _globalFlags | kFlagsGlobal;
	return ((a->_yesFlags & flags) == a->_yesFlags) && ((a->_noFlags & ~flags) == a->_noFlags);
}

bool DialogueManager::displayAnswers() {

	_numVisAnswers = 0;

	Answer *a;
	for (int i = 0; i < NUM_ANSWERS && _q->_answers[i]; i++) {
		a = _q->_answers[i];
		if (!canDisplayAnswer(a)) {
			continue;
		}

		int id = _vm->_balloonMan->setDialogueBalloon(a->_text.c_str(), 1, BalloonManager::kUnselectedColor);
		assert(id >= 0);
		_visAnswers[id] = i;
		_askPassword = a->_text.contains("%P");

		_numVisAnswers++;
	}

	int mood = 0;

	if (_askPassword) {
		resetPassword();
	} else
	if (_numVisAnswers == 1) {
		a = _q->_answers[_visAnswers[0]];
		mood = a->_mood & 0xF;
		_vm->_balloonMan->setBalloonText(0, a->_text.c_str(), BalloonManager::kNormalColor);
	} else
	if (_numVisAnswers > 1) {
		mood = _q->_answers[_visAnswers[0]]->_mood & 0xF;
		_oldSelection = -1;
		_selection = 0;
	}

	_faceId = _vm->_gfx->setItem(_answerer, _ballonPos._answerChar.x, _ballonPos._answerChar.y);
	_vm->_gfx->setItemFrame(_faceId, mood);

	return _numVisAnswers > 0;
}

bool DialogueManager::displayQuestion() {
	if (!_q->_text.compareToIgnoreCase("NULL")) return false;

	_vm->_balloonMan->setSingleBalloon(_q->_text.c_str(), _ballonPos._questionBalloon.x, _ballonPos._questionBalloon.y, _q->_mood & 0x10, BalloonManager::kNormalColor);
	_faceId = _vm->_gfx->setItem(_questioner, _ballonPos._questionChar.x, _ballonPos._questionChar.y);
	_vm->_gfx->setItemFrame(_faceId, _q->_mood & 0xF);

	return true;
}


bool DialogueManager::checkPassword() {
	return ((!scumm_stricmp(_vm->_char.getBaseName(), _doughName) && !scumm_strnicmp(_password, "1732461", 7)) ||
		   (!scumm_stricmp(_vm->_char.getBaseName(), _donnaName) && !scumm_strnicmp(_password, "1622", 4)) ||
		   (!scumm_stricmp(_vm->_char.getBaseName(), _dinoName) && !scumm_strnicmp(_password, "179", 3)));
}

void DialogueManager::resetPassword() {
	_passwordLen = 0;
	_password[0] = '\0';
	_passwordChanged = true;
}

void DialogueManager::accumPassword(uint16 ascii) {
	if (!isdigit(ascii)) {
		return;
	}

	_password[_passwordLen] = ascii;
	_passwordLen++;
	_password[_passwordLen] = '\0';
	_passwordChanged = true;
}

int16 DialogueManager::askPassword() {

	if (_isKeyDown) {
		accumPassword(_downKey);
	}

	if (_passwordChanged) {
		_vm->_balloonMan->setBalloonText(0, _q->_answers[0]->_text.c_str(), BalloonManager::kNormalColor);
		_passwordChanged = false;
	}

	if ((_passwordLen == MAX_PASSWORD_LENGTH) || ((_isKeyDown) && (_downKey == Common::KEYCODE_RETURN))) {
		if (checkPassword()) {
			return 0;
		} else {
			resetPassword();
		}
	}

	return -1;
}

int16 DialogueManager::selectAnswer1() {
	if (!_q->_answers[_visAnswers[0]]->_text.compareToIgnoreCase("null")) {
		return _visAnswers[0];
	}

	if (_mouseButtons == kMouseLeftUp) {
		return _visAnswers[0];
	}

	return -1;
}

int16 DialogueManager::selectAnswerN() {

	_selection = _vm->_balloonMan->hitTestDialogueBalloon(_mousePos.x, _mousePos.y);

	if (_selection != _oldSelection) {
		if (_oldSelection != -1) {
			_vm->_balloonMan->setBalloonText(_oldSelection, _q->_answers[_visAnswers[_oldSelection]]->_text.c_str(), BalloonManager::kUnselectedColor);
		}

		if (_selection != -1) {
			_vm->_balloonMan->setBalloonText(_selection, _q->_answers[_visAnswers[_selection]]->_text.c_str(), BalloonManager::kSelectedColor);
			_vm->_gfx->setItemFrame(_faceId, _q->_answers[_visAnswers[_selection]]->_mood & 0xF);
		}
	}

	_oldSelection = _selection;

	if ((_mouseButtons == kMouseLeftUp) && (_selection != -1)) {
		return _visAnswers[_selection];
	}

	return -1;
}

void DialogueManager::runQuestion() {
	debugC(9, kDebugDialogue, "runQuestion\n");

	if (_mouseButtons == kMouseLeftUp) {
		_vm->_gfx->freeDialogueObjects();
		_state = NEXT_ANSWER;
	}

}


void DialogueManager::nextAnswer() {
	debugC(9, kDebugDialogue, "nextAnswer\n");

	if (_q->_answers[0] == NULL) {
		_state = DIALOGUE_OVER;
		return;
	}

	if (!_q->_answers[0]->_text.compareToIgnoreCase("NULL")) {
		_answerId = 0;
		_state = NEXT_QUESTION;
		return;
	}

	_state = displayAnswers() ? RUN_ANSWER : DIALOGUE_OVER;
}

void DialogueManager::runAnswer() {
	debugC(9, kDebugDialogue, "runAnswer\n");

	if (_askPassword) {
		_answerId = askPassword();
	} else
	if (_numVisAnswers == 1) {
		_answerId = selectAnswer1();
	} else {
		_answerId = selectAnswerN();
	}

	if (_answerId != -1) {
		_cmdList = &_q->_answers[_answerId]->_commands;
		_vm->_gfx->freeDialogueObjects();
		_state = NEXT_QUESTION;
	}
}

void DialogueManager::nextQuestion() {
	debugC(9, kDebugDialogue, "nextQuestion\n");

	_q = _q->_answers[_answerId]->_followingQuestion;
	if (_q == 0) {
		_state = DIALOGUE_OVER;
	} else {
		_state = displayQuestion() ? RUN_QUESTION : NEXT_ANSWER;
	}
}


void DialogueManager::run() {

	// cache event data
	_mouseButtons = _vm->_input->getLastButtonEvent();
	_vm->_input->getCursorPos(_mousePos);
	_isKeyDown = _vm->_input->getLastKeyDown(_downKey);

	switch (_state) {
	case RUN_QUESTION:
		runQuestion();
		break;

	case NEXT_ANSWER:
		nextAnswer();
		break;

	case NEXT_QUESTION:
		nextQuestion();
		break;

	case RUN_ANSWER:
		runAnswer();
		break;

	case DIALOGUE_OVER:
		break;

	default:
		error("unknown state in DialogueManager");

	}

}

void Parallaction::enterDialogueMode(ZonePtr z) {
	debugC(1, kDebugDialogue, "Parallaction::enterDialogueMode(%s)", z->u.speak->_name);
	_dialogueMan = _vm->createDialogueManager(z);
	_input->_inputMode = Input::kInputModeDialogue;
}

void Parallaction::exitDialogueMode() {
	debugC(1, kDebugDialogue, "Parallaction::exitDialogueMode()");
	_input->_inputMode = Input::kInputModeGame;

	if (_dialogueMan->_cmdList) {
		_cmdExec->run(*_dialogueMan->_cmdList);
	}

	// The current instance of _dialogueMan must be destroyed before the zone commands
	// are executed, because they may create another instance of _dialogueMan that
	// overwrite the current one. This would cause headaches (and it did, actually).
	ZonePtr z = _dialogueMan->_z;
	delete _dialogueMan;
	_dialogueMan = 0;

	_cmdExec->run(z->_commands, z);
}

void Parallaction::runDialogueFrame() {
	if (_input->_inputMode != Input::kInputModeDialogue) {
		return;
	}

	_dialogueMan->run();

	if (_dialogueMan->isOver()) {
		exitDialogueMode();
	}

	return;
}

DialogueManager *Parallaction_ns::createDialogueManager(ZonePtr z) {
	return new DialogueManager_ns(this, z);
}

DialogueManager *Parallaction_br::createDialogueManager(ZonePtr z) {
	return new DialogueManager_br(this, z);
}

} // namespace Parallaction