1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "kyra/gui/gui_hof.h"
24 #include "kyra/engine/kyra_hof.h"
25 #include "kyra/engine/timer.h"
26 #include "kyra/resource/resource.h"
27 #include "kyra/sound/sound.h"
28 
29 #include "common/system.h"
30 
31 #include "graphics/scaler.h"
32 
33 namespace Kyra {
34 
loadButtonShapes()35 void KyraEngine_HoF::loadButtonShapes() {
36 	const uint8 *src = _screen->getCPagePtr(3);
37 	_screen->loadBitmap("_BUTTONS.CSH", 3, 3, 0);
38 
39 	_gui->_scrollUpButton.data0ShapePtr = _buttonShapes[0] = _screen->makeShapeCopy(src, 0);
40 	_gui->_scrollUpButton.data2ShapePtr = _buttonShapes[1] = _screen->makeShapeCopy(src, 1);
41 	_gui->_scrollUpButton.data1ShapePtr = _buttonShapes[2] = _screen->makeShapeCopy(src, 2);
42 	_gui->_scrollDownButton.data0ShapePtr = _buttonShapes[3] = _screen->makeShapeCopy(src, 3);
43 	_gui->_scrollDownButton.data2ShapePtr = _buttonShapes[4] = _screen->makeShapeCopy(src, 4);
44 	_gui->_scrollDownButton.data1ShapePtr = _buttonShapes[5] = _screen->makeShapeCopy(src, 5);
45 	_buttonShapes[6] = _screen->makeShapeCopy(src, 6);
46 	_buttonShapes[7] = _screen->makeShapeCopy(src, 7);
47 	_buttonShapes[8] = _screen->makeShapeCopy(src, 6);
48 	_buttonShapes[9] = _screen->makeShapeCopy(src, 7);
49 	_buttonShapes[10] = _screen->makeShapeCopy(src, 10);
50 	_buttonShapes[11] = _screen->makeShapeCopy(src, 11);
51 	_buttonShapes[16] = _screen->makeShapeCopy(src, 16);
52 	_buttonShapes[17] = _screen->makeShapeCopy(src, 17);
53 	_buttonShapes[18] = _screen->makeShapeCopy(src, 18);
54 }
55 
setupLangButtonShapes()56 void KyraEngine_HoF::setupLangButtonShapes() {
57 	switch (_lang) {
58 	case 0:
59 		_inventoryButtons[0].data0ShapePtr = _buttonShapes[6];
60 		_inventoryButtons[0].data1ShapePtr = _inventoryButtons[0].data2ShapePtr = _buttonShapes[7];
61 		break;
62 
63 	case 1:
64 		_inventoryButtons[0].data0ShapePtr = _buttonShapes[8];
65 		_inventoryButtons[0].data1ShapePtr = _inventoryButtons[0].data2ShapePtr = _buttonShapes[9];
66 		break;
67 
68 	case 2:
69 		_inventoryButtons[0].data0ShapePtr = _buttonShapes[10];
70 		_inventoryButtons[0].data1ShapePtr = _inventoryButtons[0].data2ShapePtr = _buttonShapes[11];
71 		break;
72 
73 	default:
74 		_inventoryButtons[0].data0ShapePtr = _buttonShapes[6];
75 		_inventoryButtons[0].data1ShapePtr = _inventoryButtons[0].data2ShapePtr = _buttonShapes[7];
76 	}
77 }
78 
GUI_HoF(KyraEngine_HoF * vm)79 GUI_HoF::GUI_HoF(KyraEngine_HoF *vm) : GUI_v2(vm), _vm(vm), _screen(_vm->_screen) {
80 }
81 
getMenuTitle(const Menu & menu)82 const char *GUI_HoF::getMenuTitle(const Menu &menu) {
83 	if (!menu.menuNameId)
84 		return 0;
85 
86 	return _vm->getTableString(menu.menuNameId, _vm->_optionsBuffer, 1);
87 }
88 
getMenuItemTitle(const MenuItem & menuItem)89 const char *GUI_HoF::getMenuItemTitle(const MenuItem &menuItem) {
90 	if (!menuItem.itemId)
91 		return 0;
92 
93 	// Strings 41-45 are menu labels, those must be handled uncompressed!
94 	if (menuItem.itemId >= 41 && menuItem.itemId <= 45)
95 		return _vm->getTableString(menuItem.itemId, _vm->_optionsBuffer, 0);
96 	else
97 		return _vm->getTableString(menuItem.itemId, _vm->_optionsBuffer, 1);
98 }
99 
getMenuItemLabel(const MenuItem & menuItem)100 const char *GUI_HoF::getMenuItemLabel(const MenuItem &menuItem) {
101 	if (!menuItem.labelId)
102 		return 0;
103 
104 	return _vm->getTableString(menuItem.labelId, _vm->_optionsBuffer, 1);
105 }
106 
getTableString(int id)107 char *GUI_HoF::getTableString(int id) {
108 	return _vm->getTableString(id, _vm->_optionsBuffer, 0);
109 }
110 
111 #pragma mark -
112 
113 
buttonInventory(Button * button)114 int KyraEngine_HoF::buttonInventory(Button *button) {
115 	if (!_screen->isMouseVisible())
116 		return 0;
117 
118 	int inventorySlot = button->index - 6;
119 
120 	Item item = _mainCharacter.inventory[inventorySlot];
121 	if (_itemInHand == kItemNone) {
122 		if (item == kItemNone)
123 			return 0;
124 		clearInventorySlot(inventorySlot, 0);
125 		snd_playSoundEffect(0x0B);
126 		setMouseCursor(item);
127 		int string = (_lang == 1) ? getItemCommandStringPickUp(item) : 7;
128 		updateCommandLineEx(item+54, string, 0xD6);
129 		_itemInHand = (int16)item;
130 		_mainCharacter.inventory[inventorySlot] = kItemNone;
131 	} else {
132 		if (_mainCharacter.inventory[inventorySlot] != kItemNone) {
133 			if (checkInventoryItemExchange(_itemInHand, inventorySlot))
134 				return 0;
135 
136 			item = _mainCharacter.inventory[inventorySlot];
137 			snd_playSoundEffect(0x0B);
138 			clearInventorySlot(inventorySlot, 0);
139 			drawInventoryShape(0, _itemInHand, inventorySlot);
140 			setMouseCursor(item);
141 			int string = (_lang == 1) ? getItemCommandStringPickUp(item) : 7;
142 			updateCommandLineEx(item+54, string, 0xD6);
143 			_mainCharacter.inventory[inventorySlot] = _itemInHand;
144 			setHandItem(item);
145 		} else {
146 			snd_playSoundEffect(0x0C);
147 			drawInventoryShape(0, _itemInHand, inventorySlot);
148 			_screen->setMouseCursor(0, 0, getShapePtr(0));
149 			int string = (_lang == 1) ? getItemCommandStringInv(_itemInHand) : 8;
150 			updateCommandLineEx(_itemInHand+54, string, 0xD6);
151 			_mainCharacter.inventory[inventorySlot] = _itemInHand;
152 			_itemInHand = kItemNone;
153 		}
154 	}
155 
156 	return 0;
157 }
158 
scrollInventory(Button * button)159 int KyraEngine_HoF::scrollInventory(Button *button) {
160 	Item *src = _mainCharacter.inventory;
161 	Item *dst = &_mainCharacter.inventory[10];
162 	Item temp[5];
163 
164 	memcpy(temp, src, sizeof(Item)*5);
165 	memcpy(src, src+5, sizeof(Item)*5);
166 	memcpy(src+5, dst, sizeof(Item)*5);
167 	memcpy(dst, dst+5, sizeof(Item)*5);
168 	memcpy(dst+5, temp, sizeof(Item)*5);
169 	_screen->copyRegion(0x46, 0x90, 0x46, 0x90, 0x71, 0x2E, 0, 2);
170 	redrawInventory(2);
171 	scrollInventoryWheel();
172 	return 0;
173 }
174 
getInventoryItemSlot(Item item)175 int KyraEngine_HoF::getInventoryItemSlot(Item item) {
176 	for (int i = 0; i < 20; ++i) {
177 		if (_mainCharacter.inventory[i] == item)
178 			return i;
179 	}
180 	return -1;
181 }
182 
findFreeVisibleInventorySlot()183 int KyraEngine_HoF::findFreeVisibleInventorySlot() {
184 	for (int i = 0; i < 10; ++i) {
185 		if (_mainCharacter.inventory[i] == kItemNone)
186 			return i;
187 	}
188 	return -1;
189 }
190 
removeSlotFromInventory(int slot)191 void KyraEngine_HoF::removeSlotFromInventory(int slot) {
192 	_mainCharacter.inventory[slot] = kItemNone;
193 	if (slot < 10) {
194 		clearInventorySlot(slot, 0);
195 	}
196 }
197 
checkInventoryItemExchange(Item handItem,int slot)198 bool KyraEngine_HoF::checkInventoryItemExchange(Item handItem, int slot) {
199 	bool removeItem = false;
200 	Item newItem = kItemNone;
201 
202 	Item invItem = _mainCharacter.inventory[slot];
203 
204 	for (const uint16 *table = _itemMagicTable; *table != 0xFFFF; table += 4) {
205 		if (table[0] != handItem || table[1] != (uint16)invItem)
206 			continue;
207 
208 		if (table[3] == 0xFFFF)
209 			continue;
210 
211 		removeItem = (table[3] == 1);
212 		newItem = (Item)table[2];
213 
214 		snd_playSoundEffect(0x68);
215 		_mainCharacter.inventory[slot] = newItem;
216 		clearInventorySlot(slot, 0);
217 		drawInventoryShape(0, newItem, slot);
218 
219 		if (removeItem)
220 			removeHandItem();
221 
222 		if (_lang != 1)
223 			updateCommandLineEx(newItem+54, 0x2E, 0xD6);
224 
225 		return true;
226 	}
227 
228 	return false;
229 }
230 
drawInventoryShape(int page,Item item,int slot)231 void KyraEngine_HoF::drawInventoryShape(int page, Item item, int slot) {
232 	_screen->drawShape(page, getShapePtr(item+64), _inventoryX[slot], _inventoryY[slot], 0, 0);
233 }
234 
clearInventorySlot(int slot,int page)235 void KyraEngine_HoF::clearInventorySlot(int slot, int page) {
236 	_screen->drawShape(page, getShapePtr(240+slot), _inventoryX[slot], _inventoryY[slot], 0, 0);
237 }
238 
redrawInventory(int page)239 void KyraEngine_HoF::redrawInventory(int page) {
240 	int pageBackUp = _screen->_curPage;
241 	_screen->_curPage = page;
242 
243 	const Item *inventory = _mainCharacter.inventory;
244 	for (int i = 0; i < 10; ++i) {
245 		clearInventorySlot(i, page);
246 		if (inventory[i] != kItemNone) {
247 			_screen->drawShape(page, getShapePtr(inventory[i]+64), _inventoryX[i], _inventoryY[i], 0, 0);
248 			drawInventoryShape(page, inventory[i], i);
249 		}
250 	}
251 	_screen->updateScreen();
252 
253 	_screen->_curPage = pageBackUp;
254 }
255 
scrollInventoryWheel()256 void KyraEngine_HoF::scrollInventoryWheel() {
257 	WSAMovie_v2 movie(this);
258 	movie.open("INVWHEEL.WSA", 0, 0);
259 	int frames = movie.opened() ? movie.frames() : 6;
260 	memcpy(_screenBuffer, _screen->getCPagePtr(2), 64000);
261 	uint8 overlay[0x100];
262 	_screen->generateOverlay(_screen->getPalette(0), overlay, 0, 50);
263 	_screen->copyRegion(0x46, 0x90, 0x46, 0x79, 0x71, 0x17, 0, 2, Screen::CR_NO_P_CHECK);
264 	snd_playSoundEffect(0x25);
265 
266 	bool breakFlag = false;
267 	for (int i = 0; i <= 6 && !breakFlag; ++i) {
268 		if (movie.opened()) {
269 			movie.displayFrame(i % frames, 0, 0, 0, 0, 0, 0);
270 			_screen->updateScreen();
271 		}
272 
273 		uint32 endTime = _system->getMillis() + _tickLength;
274 
275 		int y = (i * 981) >> 8;
276 		if (y >= 23 || i == 6) {
277 			y = 23;
278 			breakFlag = true;
279 		}
280 
281 		_screen->applyOverlay(0x46, 0x79, 0x71, 0x17, 2, overlay);
282 		_screen->copyRegion(0x46, y+0x79, 0x46, 0x90, 0x71, 0x2E, 2, 0, Screen::CR_NO_P_CHECK);
283 		_screen->updateScreen();
284 
285 		delayUntil(endTime);
286 	}
287 
288 	_screen->copyBlockToPage(2, 0, 0, 320, 200, _screenBuffer);
289 	movie.close();
290 }
291 
292 // spellbook specific code
293 
bookButton(Button * button)294 int KyraEngine_HoF::bookButton(Button *button) {
295 	if (!queryGameFlag(1)) {
296 		objectChat(getTableString(0xEB, _cCodeBuffer, 1), 0, 0x83, 0xEB);
297 		return 0;
298 	}
299 
300 	if (!_screen->isMouseVisible())
301 		return 0;
302 
303 	if (queryGameFlag(0xE5)) {
304 		snd_playSoundEffect(0x0D);
305 		return 0;
306 	}
307 
308 	if (_itemInHand == 72) {
309 		if (!queryGameFlag(0xE2)) {
310 			_bookMaxPage += 2;
311 			removeHandItem();
312 			snd_playSoundEffect(0x6C);
313 			setGameFlag(0xE2);
314 		}
315 
316 		if (!queryGameFlag(0x18A) && queryGameFlag(0x170)) {
317 			_bookMaxPage += 2;
318 			removeHandItem();
319 			snd_playSoundEffect(0x6C);
320 			setGameFlag(0x18A);
321 		}
322 
323 		return 0;
324 	}
325 
326 	if (_mouseState != -1) {
327 		snd_playSoundEffect(0x0D);
328 		return 0;
329 	}
330 
331 	_screen->hideMouse();
332 	showMessage(0, 0xCF);
333 	displayInvWsaLastFrame();
334 	_bookNewPage = _bookCurPage;
335 
336 	if (_screenBuffer) {
337 		memcpy(_screenBuffer, _screen->getCPagePtr(0), 64000);
338 	}
339 
340 	_screen->copyPalette(2, 0);
341 	_screen->fadeToBlack(7, &_updateFunctor);
342 	_screen->loadPalette("_BOOK.COL", _screen->getPalette(0));
343 	loadBookBkgd();
344 	showBookPage();
345 	_screen->copyRegion(0, 0, 0, 0, 0x140, 0xC8, 2, 0, Screen::CR_NO_P_CHECK);
346 	_screen->updateScreen();
347 
348 	int oldItemInHand = _itemInHand;
349 	removeHandItem();
350 	_screen->fadePalette(_screen->getPalette(0), 7);
351 	_screen->showMouse();
352 
353 	bookLoop();
354 
355 	_screen->fadeToBlack(7);
356 	_screen->hideMouse();
357 	setHandItem(oldItemInHand);
358 	updateMouse();
359 	restorePage3();
360 
361 	if (_screenBuffer) {
362 		_screen->copyBlockToPage(0, 0, 0, 320, 200, _screenBuffer);
363 	}
364 
365 	setHandItem(_itemInHand);
366 	_screen->copyPalette(0, 2);
367 	_screen->fadePalette(_screen->getPalette(0), 7, &_updateFunctor);
368 	_screen->showMouse();
369 
370 	if (!queryGameFlag(4) && !queryGameFlag(0xB8)) {
371 		objectChat(getTableString(0xEC, _cCodeBuffer, 1), 0, 0x83, 0xEC);
372 		objectChat(getTableString(0xED, _cCodeBuffer, 1), 0, 0x83, 0xED);
373 		objectChat(getTableString(0xEE, _cCodeBuffer, 1), 0, 0x83, 0xEE);
374 		objectChat(getTableString(0xEF, _cCodeBuffer, 1), 0, 0x83, 0xEF);
375 		setGameFlag(4);
376 	}
377 
378 	return 0;
379 }
380 
loadBookBkgd()381 void KyraEngine_HoF::loadBookBkgd() {
382 	char filename[16];
383 
384 	if (_flags.isTalkie)
385 		strcpy(filename, (_bookBkgd == 0) ? "_XBOOKD.CPS" : "_XBOOKC.CPS");
386 	else
387 		strcpy(filename, (_bookBkgd == 0) ? "_BOOKD.CPS" : "_BOOKC.CPS");
388 
389 	_bookBkgd ^= 1;
390 
391 	if (_flags.isTalkie) {
392 		if (!_bookCurPage)
393 			strcpy(filename, "_XBOOKB.CPS");
394 		if (_bookCurPage == _bookMaxPage)
395 			strcpy(filename, "_XBOOKA.CPS");
396 
397 		switch (_lang) {
398 		case 0:
399 			filename[1] = 'E';
400 			break;
401 
402 		case 1:
403 			filename[1] = 'F';
404 			break;
405 
406 		case 2:
407 			filename[1] = 'G';
408 			break;
409 
410 		default:
411 			warning("loadBookBkgd unsupported language");
412 			filename[1] = 'E';
413 		}
414 	} else {
415 		if (!_bookCurPage)
416 			strcpy(filename, "_BOOKB.CPS");
417 		if (_bookCurPage == _bookMaxPage)
418 			strcpy(filename, "_BOOKA.CPS");
419 	}
420 
421 	_screen->loadBitmap(filename, 3, 3, 0);
422 }
423 
showBookPage()424 void KyraEngine_HoF::showBookPage() {
425 	char filename[16];
426 
427 	sprintf(filename, "PAGE%.01X.%s", _bookCurPage, _languageExtension[_lang]);
428 	uint8 *leftPage = _res->fileData(filename, 0);
429 	if (!leftPage) {
430 		// some floppy version use a TXT extension
431 		sprintf(filename, "PAGE%.01X.TXT", _bookCurPage);
432 		leftPage = _res->fileData(filename, 0);
433 	}
434 
435 	int leftPageY = _bookPageYOffset[_bookCurPage];
436 
437 	sprintf(filename, "PAGE%.01X.%s", _bookCurPage+1, _languageExtension[_lang]);
438 	uint8 *rightPage = 0;
439 	if (_bookCurPage != _bookMaxPage) {
440 		rightPage = _res->fileData(filename, 0);
441 		if (!rightPage) {
442 			sprintf(filename, "PAGE%.01X.TXT", _bookCurPage);
443 			rightPage = _res->fileData(filename, 0);
444 		}
445 	}
446 
447 	int rightPageY = _bookPageYOffset[_bookCurPage+1];
448 
449 	if (leftPage) {
450 		bookDecodeText(leftPage);
451 		bookPrintText(2, leftPage, 20, leftPageY+20, 0x31);
452 		delete[] leftPage;
453 	}
454 
455 	if (rightPage) {
456 		bookDecodeText(rightPage);
457 		bookPrintText(2, rightPage, 176, rightPageY+20, 0x31);
458 		delete[] rightPage;
459 	}
460 }
461 
bookLoop()462 void KyraEngine_HoF::bookLoop() {
463 	Button bookButtons[5];
464 
465 	GUI_V2_BUTTON(bookButtons[0], 0x24, 0, 0, 1, 1, 1, 0x4487, 0, 0x82, 0xBE, 0x0A, 0x0A, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
466 	bookButtons[0].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookPrevPage);
467 	GUI_V2_BUTTON(bookButtons[1], 0x25, 0, 0, 1, 1, 1, 0x4487, 0, 0xB1, 0xBE, 0x0A, 0x0A, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
468 	bookButtons[1].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookNextPage);
469 	GUI_V2_BUTTON(bookButtons[2], 0x26, 0, 0, 1, 1, 1, 0x4487, 0, 0x8F, 0xBE, 0x21, 0x0A, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
470 	bookButtons[2].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookClose);
471 	GUI_V2_BUTTON(bookButtons[3], 0x27, 0, 0, 1, 1, 1, 0x4487, 0, 0x08, 0x08, 0x90, 0xB4, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
472 	bookButtons[3].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookPrevPage);
473 	GUI_V2_BUTTON(bookButtons[4], 0x28, 0, 0, 1, 1, 1, 0x4487, 0, 0xAA, 0x08, 0x8E, 0xB4, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
474 	bookButtons[4].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookNextPage);
475 
476 	Button *buttonList = 0;
477 
478 	for (uint i = 0; i < ARRAYSIZE(bookButtons); ++i)
479 		buttonList = _gui->addButtonToList(buttonList, &bookButtons[i]);
480 
481 	showBookPage();
482 	_bookShown = true;
483 	while (_bookShown && !shouldQuit()) {
484 		checkInput(buttonList);
485 		removeInputTop();
486 
487 		if (_bookCurPage != _bookNewPage) {
488 			_bookCurPage = _bookNewPage;
489 			_screen->clearPage(2);
490 			loadBookBkgd();
491 			showBookPage();
492 			snd_playSoundEffect(0x64);
493 			_screen->copyRegion(0, 0, 0, 0, 0x140, 0xC8, 2, 0, Screen::CR_NO_P_CHECK);
494 			_screen->updateScreen();
495 		}
496 		_system->delayMillis(10);
497 	}
498 	_screen->clearPage(2);
499 }
500 
bookDecodeText(uint8 * str)501 void KyraEngine_HoF::bookDecodeText(uint8 *str) {
502 	uint8 *dst = str, *op = str;
503 	while (*op != 0x1A) {
504 		while (*op != 0x1A && *op != 0x0D)
505 			*dst++ = *op++;
506 
507 		if (*op == 0x1A)
508 			break;
509 
510 		op += 2;
511 		*dst++ = 0x0D;
512 	}
513 	*dst = 0;
514 }
515 
bookPrintText(int dstPage,const uint8 * str,int x,int y,uint8 color)516 void KyraEngine_HoF::bookPrintText(int dstPage, const uint8 *str, int x, int y, uint8 color) {
517 	int curPageBackUp = _screen->_curPage;
518 	_screen->_curPage = dstPage;
519 
520 	_screen->setTextColor(_bookTextColorMap, 0, 3);
521 	Screen::FontId oldFont = _screen->setFont(_flags.lang == Common::JA_JPN ? Screen::FID_SJIS_FNT : Screen::FID_BOOKFONT_FNT);
522 	_screen->_charWidth = -2;
523 
524 	_screen->printText((const char *)str, x, y, color, (_flags.lang == Common::JA_JPN) ? 0xF6 : 0);
525 
526 	_screen->_charWidth = 0;
527 	_screen->setFont(oldFont);
528 	_screen->_curPage = curPageBackUp;
529 }
530 
bookPrevPage(Button * button)531 int KyraEngine_HoF::bookPrevPage(Button *button) {
532 	_bookNewPage = MAX<int>(_bookCurPage-2, 0);
533 	return 0;
534 }
535 
bookNextPage(Button * button)536 int KyraEngine_HoF::bookNextPage(Button *button) {
537 	_bookNewPage = MIN<int>(_bookCurPage+2, _bookMaxPage);
538 	return 0;
539 }
540 
bookClose(Button * button)541 int KyraEngine_HoF::bookClose(Button *button) {
542 	_bookShown = false;
543 	return 0;
544 }
545 
546 // cauldron specific code
547 
cauldronClearButton(Button * button)548 int KyraEngine_HoF::cauldronClearButton(Button *button) {
549 	if (!queryGameFlag(2)) {
550 		updateCharFacing();
551 		objectChat(getTableString(0xF0, _cCodeBuffer, 1), 0, 0x83, 0xF0);
552 		return 0;
553 	}
554 
555 	if (queryGameFlag(0xE4)) {
556 		snd_playSoundEffect(0x0D);
557 		return 0;
558 	}
559 
560 	_screen->hideMouse();
561 	displayInvWsaLastFrame();
562 	snd_playSoundEffect(0x25);
563 	loadInvWsa("PULL.WSA", 1, 6, 0, -1, -1, 1);
564 	loadInvWsa("CAULD00.WSA", 1, 7, 0, 0xD4, 0x0F, 1);
565 	showMessage(0, 0xCF);
566 	setCauldronState(0, 0);
567 	clearCauldronTable();
568 	snd_playSoundEffect(0x57);
569 	loadInvWsa("CAULDFIL.WSA", 1, 7, 0, -1, -1, 1);
570 	_screen->showMouse();
571 	return 0;
572 }
573 
cauldronButton(Button * button)574 int KyraEngine_HoF::cauldronButton(Button *button) {
575 	if (!queryGameFlag(2)) {
576 		objectChat(getTableString(0xF0, _cCodeBuffer, 1), 0, 0x83, 0xF0);
577 		return 0;
578 	}
579 
580 	if (!_screen->isMouseVisible() || _mouseState < -1)
581 		return 0;
582 
583 	if (queryGameFlag(0xE4)) {
584 		snd_playSoundEffect(0x0D);
585 		return 0;
586 	}
587 
588 	updateCharFacing();
589 
590 	for (int i = 0; _cauldronProtectedItems[i] != -1; ++i) {
591 		if (_itemInHand == _cauldronProtectedItems[i]) {
592 			objectChat(getTableString(0xF1, _cCodeBuffer, 1), 0, 0x83, 0xF1);
593 			return 0;
594 		}
595 	}
596 
597 	if (_itemInHand == -1) {
598 		listItemsInCauldron();
599 		return 0;
600 	}
601 
602 	for (int i = 0; _cauldronBowlTable[i] != -1; i += 2) {
603 		if (_itemInHand == _cauldronBowlTable[i]) {
604 			addFrontCauldronTable(_itemInHand);
605 			setHandItem(_cauldronBowlTable[i+1]);
606 			if (!updateCauldron()) {
607 				_cauldronState = 0;
608 				cauldronRndPaletteFade();
609 			}
610 			return 0;
611 		}
612 	}
613 
614 	if (_itemInHand == 18) {
615 		const int16 *magicTable = (_mainCharacter.sceneId == 77) ? _cauldronMagicTableScene77 : _cauldronMagicTable;
616 		while (magicTable[0] != -1) {
617 			if (_cauldronState == magicTable[0]) {
618 				setHandItem(magicTable[1]);
619 				snd_playSoundEffect(0x6C);
620 				++_cauldronUseCount;
621 				if (_cauldronStateTable[_cauldronState] <= _cauldronUseCount && _cauldronUseCount) {
622 					showMessage(0, 0xCF);
623 					setCauldronState(0, true);
624 					clearCauldronTable();
625 				}
626 				return 0;
627 			}
628 			magicTable += 2;
629 		}
630 	} else if (_itemInHand >= 0) {
631 		int item = _itemInHand;
632 		cauldronItemAnim(item);
633 		addFrontCauldronTable(item);
634 		if (!updateCauldron()) {
635 			_cauldronState = 0;
636 			cauldronRndPaletteFade();
637 		}
638 	}
639 
640 	return 0;
641 }
642 
643 #pragma mark -
644 
optionsButton(Button * button)645 int GUI_HoF::optionsButton(Button *button) {
646 	PauseTimer pause(*_vm->_timer);
647 
648 	_restartGame = false;
649 	_reloadTemporarySave = false;
650 
651 	updateButton(&_vm->_inventoryButtons[0]);
652 
653 	if (!_screen->isMouseVisible() && button)
654 		return 0;
655 
656 	_vm->showMessage(0, 0xCF);
657 
658 	if (_vm->_mouseState < -1) {
659 		_vm->_mouseState = -1;
660 		_screen->setMouseCursor(1, 1, _vm->getShapePtr(0));
661 		return 0;
662 	}
663 
664 	int oldHandItem = _vm->_itemInHand;
665 	_screen->setMouseCursor(0, 0, _vm->getShapePtr(0));
666 	_vm->displayInvWsaLastFrame();
667 	_displayMenu = true;
668 
669 	for (uint i = 0; i < ARRAYSIZE(_menuButtons); ++i) {
670 		_menuButtons[i].data0Val1 = _menuButtons[i].data1Val1 = _menuButtons[i].data2Val1 = 4;
671 		_menuButtons[i].data0Callback = _redrawShadedButtonFunctor;
672 		_menuButtons[i].data1Callback = _menuButtons[i].data2Callback = _redrawButtonFunctor;
673 	}
674 
675 	initMenuLayout(_mainMenu);
676 	initMenuLayout(_gameOptions);
677 	initMenuLayout(_audioOptions);
678 	initMenuLayout(_choiceMenu);
679 	_loadMenu.numberOfItems = 6;
680 	initMenuLayout(_loadMenu);
681 	initMenuLayout(_saveMenu);
682 	initMenuLayout(_savenameMenu);
683 	initMenuLayout(_deathMenu);
684 
685 	_currentMenu = &_mainMenu;
686 
687 	if (_vm->_menuDirectlyToLoad) {
688 		backUpPage1(_vm->_screenBuffer);
689 		setupPalette();
690 
691 		_loadedSave = false;
692 
693 		loadMenu(0);
694 
695 		if (_loadedSave) {
696 			if (_restartGame)
697 				_vm->_itemInHand = kItemNone;
698 		} else {
699 			restorePage1(_vm->_screenBuffer);
700 			restorePalette();
701 		}
702 
703 		resetState(-1);
704 		_vm->_menuDirectlyToLoad = false;
705 		return 0;
706 	}
707 
708 	if (!button) {
709 		_currentMenu = &_deathMenu;
710 		_isDeathMenu = true;
711 	} else {
712 		_isDeathMenu = false;
713 	}
714 
715 	backUpPage1(_vm->_screenBuffer);
716 	setupPalette();
717 	initMenu(*_currentMenu);
718 	_madeSave = false;
719 	_loadedSave = false;
720 	updateAllMenuButtons();
721 
722 	if (_isDeathMenu) {
723 		while (!_screen->isMouseVisible())
724 			_screen->showMouse();
725 	}
726 
727 	while (_displayMenu) {
728 		processHighlights(*_currentMenu);
729 		getInput();
730 	}
731 
732 	if (_vm->_runFlag && !_loadedSave && !_madeSave) {
733 		restorePalette();
734 		restorePage1(_vm->_screenBuffer);
735 	}
736 
737 	if (_vm->_runFlag)
738 		updateMenuButton(&_vm->_inventoryButtons[0]);
739 
740 	resetState(oldHandItem);
741 
742 	if (!_loadedSave && _reloadTemporarySave) {
743 		_vm->_unkSceneScreenFlag1 = true;
744 		_vm->loadGameStateCheck(999);
745 		//_vm->_saveFileMan->removeSavefile(_vm->getSavegameFilename(999));
746 		_vm->_unkSceneScreenFlag1 = false;
747 	}
748 
749 	return 0;
750 }
751 
752 #pragma mark -
753 
createScreenThumbnail(Graphics::Surface & dst)754 void GUI_HoF::createScreenThumbnail(Graphics::Surface &dst) {
755 	uint8 screenPal[768];
756 	_screen->getRealPalette(1, screenPal);
757 	::createThumbnail(&dst, _vm->_screenBuffer, Screen::SCREEN_W, Screen::SCREEN_H, screenPal);
758 }
759 
setupPalette()760 void GUI_HoF::setupPalette() {
761 	_screen->copyPalette(1, 0);
762 
763 	Palette &pal = _screen->getPalette(0);
764 	for (int i = 0; i < 741; ++i)
765 		pal[i] >>= 1;
766 
767 	if (_isDeathMenu)
768 		_screen->fadePalette(_screen->getPalette(0), 0x64);
769 	else
770 		_screen->setScreenPalette(_screen->getPalette(0));
771 }
772 
restorePalette()773 void GUI_HoF::restorePalette() {
774 	_screen->copyPalette(0, 1);
775 	_screen->setScreenPalette(_screen->getPalette(0));
776 }
777 
resetState(int item)778 void GUI_HoF::resetState(int item) {
779 	_vm->_timer->resetNextRun();
780 	_vm->setNextIdleAnimTimer();
781 	_isDeathMenu = false;
782 	if (!_loadedSave) {
783 		_vm->_itemInHand = kItemNone;
784 		_vm->setHandItem(item);
785 	} else {
786 		_vm->setHandItem(_vm->_itemInHand);
787 		_vm->setTimer1DelaySecs(7);
788 		_vm->_shownMessage = " ";
789 		_vm->_fadeMessagePalette = false;
790 	}
791 	_buttonListChanged = true;
792 }
793 
drawSliderBar(int slider,const uint8 * shape)794 void GUI_HoF::drawSliderBar(int slider, const uint8 *shape) {
795 	const int menuX = _audioOptions.x;
796 	const int menuY = _audioOptions.y;
797 	int x = menuX + _sliderBarsPosition[slider*2+0] + 10;
798 	int y = menuY + _sliderBarsPosition[slider*2+1];
799 
800 	int position = 0;
801 	if (_vm->gameFlags().isTalkie) {
802 		position = _vm->getVolume(KyraEngine_v1::kVolumeEntry(slider));
803 	} else {
804 		if (slider < 2)
805 			position = _vm->getVolume(KyraEngine_v1::kVolumeEntry(slider));
806 		else if (slider == 2)
807 			position = (_vm->_configWalkspeed == 3) ? 97 : 2;
808 		else if (slider == 3)
809 			position = _vm->_configTextspeed;
810 	}
811 
812 	position = CLIP(position, 2, 97);
813 	_screen->drawShape(0, shape, x+position, y, 0, 0);
814 }
815 
816 #pragma mark -
817 
quitGame(Button * caller)818 int GUI_HoF::quitGame(Button *caller) {
819 	updateMenuButton(caller);
820 	if (choiceDialog(_vm->gameFlags().isTalkie ? 0xF : 0x17, 1)) {
821 		_displayMenu = false;
822 		_vm->_runFlag = false;
823 		_vm->_sound->beginFadeOut();
824 		_screen->fadeToBlack();
825 		_screen->clearCurPage();
826 	}
827 
828 	if (_vm->_runFlag) {
829 		initMenu(*_currentMenu);
830 		updateAllMenuButtons();
831 	}
832 
833 	return 0;
834 }
835 
audioOptions(Button * caller)836 int GUI_HoF::audioOptions(Button *caller) {
837 	updateMenuButton(caller);
838 	restorePage1(_vm->_screenBuffer);
839 	backUpPage1(_vm->_screenBuffer);
840 	initMenu(_audioOptions);
841 	const int menuX = _audioOptions.x;
842 	const int menuY = _audioOptions.y;
843 	const int maxButton = 3;	// 2 if voc is disabled
844 
845 	for (int i = 0; i < maxButton; ++i) {
846 		int x = menuX + _sliderBarsPosition[i*2+0];
847 		int y = menuY + _sliderBarsPosition[i*2+1];
848 		_screen->drawShape(0, _vm->_buttonShapes[16], x, y, 0, 0);
849 		drawSliderBar(i, _vm->_buttonShapes[17]);
850 		_sliderButtons[0][i].buttonCallback = _sliderHandlerFunctor;
851 		_sliderButtons[0][i].x = x;
852 		_sliderButtons[0][i].y = y;
853 		_menuButtonList = addButtonToList(_menuButtonList, &_sliderButtons[0][i]);
854 		_sliderButtons[2][i].buttonCallback = _sliderHandlerFunctor;
855 		_sliderButtons[2][i].x = x + 10;
856 		_sliderButtons[2][i].y = y;
857 		_menuButtonList = addButtonToList(_menuButtonList, &_sliderButtons[2][i]);
858 		_sliderButtons[1][i].buttonCallback = _sliderHandlerFunctor;
859 		_sliderButtons[1][i].x = x + 120;
860 		_sliderButtons[1][i].y = y;
861 		_menuButtonList = addButtonToList(_menuButtonList, &_sliderButtons[1][i]);
862 	}
863 
864 	_isOptionsMenu = true;
865 	updateAllMenuButtons();
866 	bool speechEnabled = _vm->speechEnabled();
867 	while (_isOptionsMenu) {
868 		processHighlights(_audioOptions);
869 		getInput();
870 	}
871 
872 	restorePage1(_vm->_screenBuffer);
873 	backUpPage1(_vm->_screenBuffer);
874 	if (speechEnabled && !_vm->textEnabled() && (!_vm->speechEnabled() || _vm->getVolume(KyraEngine_v1::kVolumeSpeech) == 2)) {
875 		_vm->_configVoice = 0;
876 		choiceDialog(0x1D, 0);
877 	}
878 
879 	_vm->writeSettings();
880 
881 	initMenu(*_currentMenu);
882 	updateAllMenuButtons();
883 	return 0;
884 }
885 
gameOptions(Button * caller)886 int GUI_HoF::gameOptions(Button *caller) {
887 	updateMenuButton(caller);
888 	restorePage1(_vm->_screenBuffer);
889 	backUpPage1(_vm->_screenBuffer);
890 	initMenu(_gameOptions);
891 	_isOptionsMenu = true;
892 
893 	const int menuX = _gameOptions.x;
894 	const int menuY = _gameOptions.y;
895 
896 	for (int i = 0; i < 4; ++i) {
897 		int x = menuX + _sliderBarsPosition[i*2+0];
898 		int y = menuY + _sliderBarsPosition[i*2+1];
899 		_screen->drawShape(0, _vm->_buttonShapes[16], x, y, 0, 0);
900 		drawSliderBar(i, _vm->_buttonShapes[17]);
901 		_sliderButtons[0][i].buttonCallback = _sliderHandlerFunctor;
902 		_sliderButtons[0][i].x = x;
903 		_sliderButtons[0][i].y = y;
904 		_menuButtonList = addButtonToList(_menuButtonList, &_sliderButtons[0][i]);
905 		_sliderButtons[2][i].buttonCallback = _sliderHandlerFunctor;
906 		_sliderButtons[2][i].x = x + 10;
907 		_sliderButtons[2][i].y = y;
908 		_menuButtonList = addButtonToList(_menuButtonList, &_sliderButtons[2][i]);
909 		_sliderButtons[1][i].buttonCallback = _sliderHandlerFunctor;
910 		_sliderButtons[1][i].x = x + 120;
911 		_sliderButtons[1][i].y = y;
912 		_menuButtonList = addButtonToList(_menuButtonList, &_sliderButtons[1][i]);
913 	}
914 
915 	while (_isOptionsMenu) {
916 		processHighlights(_gameOptions);
917 		getInput();
918 	}
919 
920 	restorePage1(_vm->_screenBuffer);
921 	backUpPage1(_vm->_screenBuffer);
922 
923 	_vm->writeSettings();
924 
925 	initMenu(*_currentMenu);
926 	updateAllMenuButtons();
927 
928 	return 0;
929 }
930 
gameOptionsTalkie(Button * caller)931 int GUI_HoF::gameOptionsTalkie(Button *caller) {
932 	updateMenuButton(caller);
933 	restorePage1(_vm->_screenBuffer);
934 	backUpPage1(_vm->_screenBuffer);
935 	bool textEnabled = _vm->textEnabled();
936 	int lang = _vm->_lang;
937 
938 	setupOptionsButtons();
939 	initMenu(_gameOptions);
940 	_isOptionsMenu = true;
941 
942 	while (_isOptionsMenu) {
943 		processHighlights(_gameOptions);
944 		getInput();
945 	}
946 
947 	restorePage1(_vm->_screenBuffer);
948 	backUpPage1(_vm->_screenBuffer);
949 
950 	if (textEnabled && !_vm->textEnabled() && !_vm->speechEnabled()) {
951 		_vm->_configVoice = 1;
952 		_vm->setVolume(KyraEngine_v1::kVolumeSpeech, 75);
953 		choiceDialog(0x1E, 0);
954 	}
955 
956 	if (_vm->_lang != lang) {
957 		_reloadTemporarySave = true;
958 
959 		Graphics::Surface thumb;
960 		createScreenThumbnail(thumb);
961 		_vm->saveGameStateIntern(999, "Autosave", &thumb);
962 		thumb.free();
963 
964 		_vm->_lastAutosave = _vm->_system->getMillis();
965 
966 		_vm->loadCCodeBuffer("C_CODE.XXX");
967 		if (_vm->_flags.isTalkie)
968 			_vm->loadOptionsBuffer("OPTIONS.XXX");
969 		else
970 			_vm->_optionsBuffer = _vm->_cCodeBuffer;
971 		_vm->loadChapterBuffer(_vm->_newChapterFile);
972 		_vm->loadNPCScript();
973 		_vm->setupLangButtonShapes();
974 	}
975 
976 	_vm->writeSettings();
977 
978 	initMenu(*_currentMenu);
979 	updateAllMenuButtons();
980 	return 0;
981 }
982 
changeLanguage(Button * caller)983 int GUI_HoF::changeLanguage(Button *caller) {
984 	updateMenuButton(caller);
985 	++_vm->_lang;
986 	_vm->_lang %= 3;
987 	setupOptionsButtons();
988 	renewHighlight(_gameOptions);
989 	return 0;
990 }
991 
setupOptionsButtons()992 void GUI_HoF::setupOptionsButtons() {
993 	if (_vm->_configWalkspeed == 3)
994 		_gameOptions.item[0].itemId = 28;
995 	else
996 		_gameOptions.item[0].itemId = 27;
997 
998 	if (_vm->textEnabled())
999 		_gameOptions.item[2].itemId = 18;
1000 	else
1001 		_gameOptions.item[2].itemId = 17;
1002 
1003 	switch (_vm->_lang) {
1004 	case 0:
1005 		_gameOptions.item[1].itemId = 31;
1006 		break;
1007 
1008 	case 1:
1009 		_gameOptions.item[1].itemId = 32;
1010 		break;
1011 
1012 	case 2:
1013 		_gameOptions.item[1].itemId = 33;
1014 		break;
1015 
1016 	default:
1017 		break;
1018 	}
1019 }
1020 
sliderHandler(Button * caller)1021 int GUI_HoF::sliderHandler(Button *caller) {
1022 	int button = 0;
1023 	if (caller->index >= 24 && caller->index <= 27)
1024 		button = caller->index - 24;
1025 	else if (caller->index >= 28 && caller->index <= 31)
1026 		button = caller->index - 28;
1027 	else
1028 		button = caller->index - 32;
1029 
1030 	assert(button >= 0 && button <= 3);
1031 
1032 	int oldVolume = 0;
1033 
1034 	if (_vm->gameFlags().isTalkie) {
1035 		oldVolume = _vm->getVolume(KyraEngine_v1::kVolumeEntry(button));
1036 	} else {
1037 		if (button < 2)
1038 			oldVolume = _vm->getVolume(KyraEngine_v1::kVolumeEntry(button));
1039 		else if (button == 2)
1040 			oldVolume = (_vm->_configWalkspeed == 3) ? 97 : 2;
1041 		else if (button == 3)
1042 			oldVolume = _vm->_configTextspeed;
1043 	}
1044 
1045 	int newVolume = oldVolume;
1046 
1047 	if (caller->index >= 24 && caller->index <= 27)
1048 		newVolume -= 10;
1049 	else if (caller->index >= 28 && caller->index <= 31)
1050 		newVolume += 10;
1051 	else
1052 		newVolume = _vm->_mouseX - caller->x - 7;
1053 
1054 	newVolume = CLIP(newVolume, 2, 97);
1055 
1056 	if (newVolume == oldVolume)
1057 		return 0;
1058 
1059 	int lastMusicCommand = -1;
1060 	bool playSoundEffect = false;
1061 
1062 	drawSliderBar(button, _vm->_buttonShapes[18]);
1063 
1064 	if (_vm->gameFlags().isTalkie) {
1065 		if (button == 2) {
1066 			if (_vm->textEnabled())
1067 				_vm->_configVoice = 2;
1068 			else
1069 				_vm->_configVoice = 1;
1070 		}
1071 
1072 		_vm->setVolume(KyraEngine_v1::kVolumeEntry(button), newVolume);
1073 
1074 		switch (button) {
1075 		case 0:
1076 			lastMusicCommand = _vm->_lastMusicCommand;
1077 			break;
1078 
1079 		case 1:
1080 			playSoundEffect = true;
1081 			break;
1082 
1083 		case 2:
1084 			_vm->playVoice(90, 28);
1085 			break;
1086 
1087 		default:
1088 			return 0;
1089 		}
1090 	} else {
1091 		if (button < 2) {
1092 			_vm->setVolume(KyraEngine_v1::kVolumeEntry(button), newVolume);
1093 			if (button == 0)
1094 				lastMusicCommand = _vm->_lastMusicCommand;
1095 			else
1096 				playSoundEffect = true;
1097 		} else if (button == 2) {
1098 			_vm->_configWalkspeed = (newVolume > 48) ? 3 : 5;
1099 			_vm->setWalkspeed(_vm->_configWalkspeed);
1100 		} else if (button == 3) {
1101 			_vm->_configTextspeed = newVolume;
1102 		}
1103 	}
1104 
1105 	drawSliderBar(button, _vm->_buttonShapes[17]);
1106 	if (playSoundEffect)
1107 		_vm->snd_playSoundEffect(0x18);
1108 	else if (lastMusicCommand >= 0)
1109 		_vm->snd_playWanderScoreViaMap(lastMusicCommand, 0);
1110 
1111 	_screen->updateScreen();
1112 	return 0;
1113 }
1114 
loadMenu(Button * caller)1115 int GUI_HoF::loadMenu(Button *caller) {
1116 	updateSaveFileList(_vm->_targetName);
1117 
1118 	if (!_vm->_menuDirectlyToLoad) {
1119 		updateMenuButton(caller);
1120 		restorePage1(_vm->_screenBuffer);
1121 		backUpPage1(_vm->_screenBuffer);
1122 	}
1123 
1124 	_savegameOffset = 0;
1125 	setupSavegameNames(_loadMenu, 5);
1126 	initMenu(_loadMenu);
1127 	_isLoadMenu = true;
1128 	_noLoadProcess = false;
1129 	_vm->_gameToLoad = -1;
1130 	updateAllMenuButtons();
1131 
1132 	_screen->updateScreen();
1133 	while (_isLoadMenu) {
1134 		processHighlights(_loadMenu);
1135 		getInput();
1136 	}
1137 
1138 	if (_noLoadProcess) {
1139 		if (!_vm->_menuDirectlyToLoad) {
1140 			restorePage1(_vm->_screenBuffer);
1141 			backUpPage1(_vm->_screenBuffer);
1142 			initMenu(*_currentMenu);
1143 			updateAllMenuButtons();
1144 		}
1145 	} else if (_vm->_gameToLoad >= 0) {
1146 		restorePage1(_vm->_screenBuffer);
1147 		restorePalette();
1148 		_vm->loadGameStateCheck(_vm->_gameToLoad);
1149 		if (_vm->_gameToLoad == 0) {
1150 			_restartGame = true;
1151 			for (int i = 0; i < 23; ++i)
1152 				_vm->resetCauldronStateTable(i);
1153 			_vm->runStartScript(1, 1);
1154 		}
1155 		_displayMenu = false;
1156 		_loadedSave = true;
1157 	}
1158 
1159 	return 0;
1160 }
1161 
1162 } // End of namespace Kyra
1163