aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/graphics/animate.cpp
blob: a883f572bb2e14849f53808e4365325aa93bb43c (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
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
/* 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/util.h"
#include "common/stack.h"
#include "graphics/primitives.h"

#include "sci/sci.h"
#include "sci/engine/kernel.h"
#include "sci/engine/state.h"
#include "sci/engine/selector.h"
#include "sci/engine/vm.h"
#include "sci/graphics/cache.h"
#include "sci/graphics/cursor.h"
#include "sci/graphics/ports.h"
#include "sci/graphics/paint16.h"
#include "sci/graphics/palette.h"
#include "sci/graphics/view.h"
#include "sci/graphics/screen.h"
#include "sci/graphics/transitions.h"
#include "sci/graphics/animate.h"

namespace Sci {

GfxAnimate::GfxAnimate(EngineState *state, GfxCache *cache, GfxPorts *ports, GfxPaint16 *paint16, GfxScreen *screen, GfxPalette *palette, GfxCursor *cursor, GfxTransitions *transitions)
	: _s(state), _cache(cache), _ports(ports), _paint16(paint16), _screen(screen), _palette(palette), _cursor(cursor), _transitions(transitions) {
	init();
}

GfxAnimate::~GfxAnimate() {
}

void GfxAnimate::init() {
	_lastCastData.clear();

	_ignoreFastCast = false;
	// fastCast object is not found in any SCI games prior SCI1
	if (getSciVersion() <= SCI_VERSION_01)
		_ignoreFastCast = true;
	// Also if fastCast object exists at gamestartup, we can assume that the interpreter doesnt do kAnimate aborts
	//  (found in Larry 1)
	if (getSciVersion() > SCI_VERSION_0_EARLY) {
		if (!_s->_segMan->findObjectByName("fastCast").isNull())
			_ignoreFastCast = true;
	}
}

void GfxAnimate::disposeLastCast() {
	_lastCastData.clear();
}

bool GfxAnimate::invoke(List *list, int argc, reg_t *argv) {
	reg_t curAddress = list->first;
	Node *curNode = _s->_segMan->lookupNode(curAddress);
	reg_t curObject;
	uint16 signal;

	while (curNode) {
		curObject = curNode->value;

		if (!_ignoreFastCast) {
			// Check if the game has a fastCast object set
			//  if we don't abort kAnimate processing, at least in kq5 there will be animation cels drawn into speech boxes.
			if (!_s->variables[VAR_GLOBAL][84].isNull()) {
				if (!strcmp(_s->_segMan->getObjectName(_s->variables[VAR_GLOBAL][84]), "fastCast"))
					return false;
			}
		}

		signal = readSelectorValue(_s->_segMan, curObject, SELECTOR(signal));
		if (!(signal & kSignalFrozen)) {
			// Call .doit method of that object
			invokeSelector(_s, curObject, SELECTOR(doit), argc, argv, 0);

			// If a game is being loaded, stop processing
			if (_s->abortScriptProcessing != kAbortNone || g_engine->shouldQuit())
				return true; // Stop processing

			// Lookup node again, since the nodetable it was in may have been reallocated.
			// The node might have been deallocated at this point (e.g. LSL2, room 42),
			// in which case the node reference will be null and the loop will stop below.
			// If the node is deleted from kDeleteKey, it won't have a successor node, thus
			// list processing will stop here (which is what SSCI does).
			curNode = _s->_segMan->lookupNode(curAddress, false);
		}

		if (curNode) {
			curAddress = curNode->succ;
			curNode = _s->_segMan->lookupNode(curAddress);
		}
	}
	return true;
}

bool sortHelper(const AnimateEntry &entry1, const AnimateEntry &entry2) {
	if (entry1.y == entry2.y) {
		// if both y and z are the same, use the order we were given originally
		//  this is needed for special cases like iceman room 35
		if (entry1.z == entry2.z)
			return entry1.givenOrderNo < entry2.givenOrderNo;
		else
			return entry1.z < entry2.z;
	}
	return entry1.y < entry2.y;
}

void GfxAnimate::makeSortedList(List *list) {
	reg_t curAddress = list->first;
	Node *curNode = _s->_segMan->lookupNode(curAddress);
	int16 listNr;

	// Clear lists
	_list.clear();
	_lastCastData.clear();

	// Fill the list
	for (listNr = 0; curNode != 0; listNr++) {
		AnimateEntry listEntry;
		const reg_t curObject = curNode->value;
		listEntry.object = curObject;

		// Get data from current object
		listEntry.givenOrderNo = listNr;
		listEntry.viewId = readSelectorValue(_s->_segMan, curObject, SELECTOR(view));
		listEntry.loopNo = readSelectorValue(_s->_segMan, curObject, SELECTOR(loop));
		listEntry.celNo = readSelectorValue(_s->_segMan, curObject, SELECTOR(cel));
		listEntry.paletteNo = readSelectorValue(_s->_segMan, curObject, SELECTOR(palette));
		listEntry.x = readSelectorValue(_s->_segMan, curObject, SELECTOR(x));
		listEntry.y = readSelectorValue(_s->_segMan, curObject, SELECTOR(y));
		listEntry.z = readSelectorValue(_s->_segMan, curObject, SELECTOR(z));
		listEntry.priority = readSelectorValue(_s->_segMan, curObject, SELECTOR(priority));
		listEntry.signal = readSelectorValue(_s->_segMan, curObject, SELECTOR(signal));
		if (getSciVersion() >= SCI_VERSION_1_1) {
			// Cel scaling
			listEntry.scaleSignal = readSelectorValue(_s->_segMan, curObject, SELECTOR(scaleSignal));
			if (listEntry.scaleSignal & kScaleSignalDoScaling) {
				listEntry.scaleX = readSelectorValue(_s->_segMan, curObject, SELECTOR(scaleX));
				listEntry.scaleY = readSelectorValue(_s->_segMan, curObject, SELECTOR(scaleY));
			} else {
				listEntry.scaleX = 128;
				listEntry.scaleY = 128;
			}
		} else {
			listEntry.scaleSignal = 0;
			listEntry.scaleX = 128;
			listEntry.scaleY = 128;
		}
		// listEntry.celRect is filled in AnimateFill()
		listEntry.showBitsFlag = false;

		_list.push_back(listEntry);

		curAddress = curNode->succ;
		curNode = _s->_segMan->lookupNode(curAddress);
	}

	// Now sort the list according y and z (descending)
	Common::sort(_list.begin(), _list.end(), sortHelper);
}

void GfxAnimate::fill(byte &old_picNotValid) {
	reg_t curObject;
	uint16 signal;
	GfxView *view = NULL;
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();

	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;

		// Get the corresponding view
		view = _cache->getView(it->viewId);

		// adjust loop and cel, if any of those is invalid
		if (it->loopNo >= view->getLoopCount()) {
			it->loopNo = 0;
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(loop), it->loopNo);
		}
		if (it->celNo >= view->getCelCount(it->loopNo)) {
			it->celNo = 0;
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(cel), it->celNo);
		}

		// Process global scaling, if needed
		if (it->scaleSignal & kScaleSignalDoScaling) {
			if (it->scaleSignal & kScaleSignalGlobalScaling) {
				// Global scaling uses global var 2 and some other stuff to calculate scaleX/scaleY
				int16 maxScale = readSelectorValue(_s->_segMan, curObject, SELECTOR(maxScale));
				int16 celHeight = view->getHeight(it->loopNo, it->celNo);
				int16 maxCelHeight = (maxScale * celHeight) >> 7;
				reg_t globalVar2 = _s->variables[VAR_GLOBAL][2]; // current room object
				int16 vanishingY = readSelectorValue(_s->_segMan, globalVar2, SELECTOR(vanishingY));

				int16 fixedPortY = _ports->getPort()->rect.bottom - vanishingY;
				int16 fixedEntryY = it->y - vanishingY;
				if (!fixedEntryY)
					fixedEntryY = 1;

				if ((celHeight == 0) || (fixedPortY == 0))
					error("global scaling panic");

				it->scaleY = ( maxCelHeight * fixedEntryY ) / fixedPortY;
				it->scaleY = (it->scaleY * 128) / celHeight;

				it->scaleX = it->scaleY;

				// and set objects scale selectors
				writeSelectorValue(_s->_segMan, curObject, SELECTOR(scaleX), it->scaleX);
				writeSelectorValue(_s->_segMan, curObject, SELECTOR(scaleY), it->scaleY);
			}
		}

		// Create rect according to coordinates and given cel
		if (it->scaleSignal & kScaleSignalDoScaling) {
			view->getCelScaledRect(it->loopNo, it->celNo, it->x, it->y, it->z, it->scaleX, it->scaleY, it->celRect);
		} else {
			view->getCelRect(it->loopNo, it->celNo, it->x, it->y, it->z, it->celRect);
		}
		writeSelectorValue(_s->_segMan, curObject, SELECTOR(nsLeft), it->celRect.left);
		writeSelectorValue(_s->_segMan, curObject, SELECTOR(nsTop), it->celRect.top);
		writeSelectorValue(_s->_segMan, curObject, SELECTOR(nsRight), it->celRect.right);
		writeSelectorValue(_s->_segMan, curObject, SELECTOR(nsBottom), it->celRect.bottom);

		signal = it->signal;

		// Calculate current priority according to y-coordinate
		if (!(signal & kSignalFixedPriority)) {
			it->priority = _ports->kernelCoordinateToPriority(it->y);
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(priority), it->priority);
		}

		if (signal & kSignalNoUpdate) {
			if (signal & (kSignalForceUpdate | kSignalViewUpdated)
				|| (signal & kSignalHidden && !(signal & kSignalRemoveView))
				|| (!(signal & kSignalHidden) && signal & kSignalRemoveView)
				|| (signal & kSignalAlwaysUpdate))
				old_picNotValid++;
			signal &= ~kSignalStopUpdate;
		} else {
			if (signal & kSignalStopUpdate || signal & kSignalAlwaysUpdate)
				old_picNotValid++;
			signal &= ~kSignalForceUpdate;
		}
		it->signal = signal;
	}
}

void GfxAnimate::update() {
	reg_t curObject;
	uint16 signal;
	reg_t bitsHandle;
	Common::Rect rect;
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();

	// Remove all no-update cels, if requested
	for (it = _list.reverse_begin(); it != end; --it) {
		curObject = it->object;
		signal = it->signal;

		if (signal & kSignalNoUpdate) {
			if (!(signal & kSignalRemoveView)) {
				bitsHandle = readSelector(_s->_segMan, curObject, SELECTOR(underBits));
				if (_screen->_picNotValid != 1) {
					_paint16->bitsRestore(bitsHandle);
					it->showBitsFlag = true;
				} else	{
					_paint16->bitsFree(bitsHandle);
				}
				writeSelectorValue(_s->_segMan, curObject, SELECTOR(underBits), 0);
			}
			signal &= ~kSignalForceUpdate;
			if (signal & kSignalViewUpdated)
				signal &= ~(kSignalViewUpdated | kSignalNoUpdate);
		} else if (signal & kSignalStopUpdate) {
			signal &= ~kSignalStopUpdate;
			signal |= kSignalNoUpdate;
		}
		it->signal = signal;
	}

	// Draw always-update cels
	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;
		signal = it->signal;

		if (signal & kSignalAlwaysUpdate) {
			// draw corresponding cel
			_paint16->drawCel(it->viewId, it->loopNo, it->celNo, it->celRect, it->priority, it->paletteNo, it->scaleX, it->scaleY);
			it->showBitsFlag = true;

			signal &= ~(kSignalStopUpdate | kSignalViewUpdated | kSignalNoUpdate | kSignalForceUpdate);
			if ((signal & kSignalIgnoreActor) == 0) {
				rect = it->celRect;
				rect.top = CLIP<int16>(_ports->kernelPriorityToCoordinate(it->priority) - 1, rect.top, rect.bottom - 1);
				_paint16->fillRect(rect, GFX_SCREEN_MASK_CONTROL, 0, 0, 15);
			}
			it->signal = signal;
		}
	}

	// Saving background for all NoUpdate-cels
	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;
		signal = it->signal;

		if (signal & kSignalNoUpdate) {
			if (signal & kSignalHidden) {
				signal |= kSignalRemoveView;
			} else {
				signal &= ~kSignalRemoveView;
				if (signal & kSignalIgnoreActor)
					bitsHandle = _paint16->bitsSave(it->celRect, GFX_SCREEN_MASK_VISUAL|GFX_SCREEN_MASK_PRIORITY);
				else
					bitsHandle = _paint16->bitsSave(it->celRect, GFX_SCREEN_MASK_ALL);
				writeSelector(_s->_segMan, curObject, SELECTOR(underBits), bitsHandle);
			}
			it->signal = signal;
		}
	}

	// Draw NoUpdate cels
	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;
		signal = it->signal;

		if (signal & kSignalNoUpdate && !(signal & kSignalHidden)) {
			// draw corresponding cel
			_paint16->drawCel(it->viewId, it->loopNo, it->celNo, it->celRect, it->priority, it->paletteNo, it->scaleX, it->scaleY);
			it->showBitsFlag = true;

			if (!(signal & kSignalIgnoreActor)) {
				rect = it->celRect;
				rect.top = CLIP<int16>(_ports->kernelPriorityToCoordinate(it->priority) - 1, rect.top, rect.bottom - 1);
				_paint16->fillRect(rect, GFX_SCREEN_MASK_CONTROL, 0, 0, 15);
			}
		}
	}
}

void GfxAnimate::drawCels() {
	reg_t curObject;
	uint16 signal;
	reg_t bitsHandle;
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();
	_lastCastData.clear();

	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;
		signal = it->signal;

		if (!(signal & (kSignalNoUpdate | kSignalHidden | kSignalAlwaysUpdate))) {
			// Save background
			bitsHandle = _paint16->bitsSave(it->celRect, GFX_SCREEN_MASK_ALL);
			writeSelector(_s->_segMan, curObject, SELECTOR(underBits), bitsHandle);

			// draw corresponding cel
			_paint16->drawCel(it->viewId, it->loopNo, it->celNo, it->celRect, it->priority, it->paletteNo, it->scaleX, it->scaleY);
			it->showBitsFlag = true;

			if (signal & kSignalRemoveView) {
				signal &= ~kSignalRemoveView;
			}
			it->signal = signal;

			// Remember that entry in lastCast
			_lastCastData.push_back(*it);
		}
	}
}

void GfxAnimate::updateScreen(byte oldPicNotValid) {
	reg_t curObject;
	uint16 signal;
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();
	Common::Rect lsRect;
	Common::Rect workerRect;

	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;
		signal = it->signal;

		if (it->showBitsFlag || !(signal & (kSignalRemoveView | kSignalNoUpdate) ||
										(!(signal & kSignalRemoveView) && (signal & kSignalNoUpdate) && oldPicNotValid))) {
			lsRect.left = readSelectorValue(_s->_segMan, curObject, SELECTOR(lsLeft));
			lsRect.top = readSelectorValue(_s->_segMan, curObject, SELECTOR(lsTop));
			lsRect.right = readSelectorValue(_s->_segMan, curObject, SELECTOR(lsRight));
			lsRect.bottom = readSelectorValue(_s->_segMan, curObject, SELECTOR(lsBottom));

			workerRect = lsRect;
			workerRect.clip(it->celRect);

			if (!workerRect.isEmpty()) {
				workerRect = lsRect;
				workerRect.extend(it->celRect);
			} else {
				_paint16->bitsShow(lsRect);
				workerRect = it->celRect;
			}
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(lsLeft), it->celRect.left);
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(lsTop), it->celRect.top);
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(lsRight), it->celRect.right);
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(lsBottom), it->celRect.bottom);
			// may get used for debugging
			//_paint16->frameRect(workerRect);
			_paint16->bitsShow(workerRect);

			if (signal & kSignalHidden) {
				it->signal |= kSignalRemoveView;
			}
		}
	}
	// use this for debug purposes
	// _screen->copyToScreen();
}

void GfxAnimate::restoreAndDelete(int argc, reg_t *argv) {
	reg_t curObject;
	uint16 signal;
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();


	// This has to be done in a separate loop. At least in sq1 some .dispose
	// modifies FIXEDLOOP flag in signal for another object. In that case we
	// would overwrite the new signal with our version of the old signal.
	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;
		signal = it->signal;

		// Finally update signal
		writeSelectorValue(_s->_segMan, curObject, SELECTOR(signal), signal);
	}

	for (it = _list.reverse_begin(); it != end; --it) {
		curObject = it->object;
		// We read out signal here again, this is not by accident but to ensure
		// that we got an up-to-date signal
		signal = readSelectorValue(_s->_segMan, curObject, SELECTOR(signal));

		if ((signal & (kSignalNoUpdate | kSignalRemoveView)) == 0) {
			_paint16->bitsRestore(readSelector(_s->_segMan, curObject, SELECTOR(underBits)));
			writeSelectorValue(_s->_segMan, curObject, SELECTOR(underBits), 0);
		}

		if (signal & kSignalDisposeMe) {
			// Call .delete_ method of that object
			invokeSelector(_s, curObject, SELECTOR(delete_), argc, argv, 0);
		}
	}
}

void GfxAnimate::reAnimate(Common::Rect rect) {
	if (!_lastCastData.empty()) {
		AnimateArray::iterator it;
		AnimateArray::iterator end = _lastCastData.end();
		for (it = _lastCastData.begin(); it != end; ++it) {
			it->castHandle = _paint16->bitsSave(it->celRect, GFX_SCREEN_MASK_VISUAL|GFX_SCREEN_MASK_PRIORITY);
			_paint16->drawCel(it->viewId, it->loopNo, it->celNo, it->celRect, it->priority, it->paletteNo, it->scaleX, it->scaleY);
		}
		_paint16->bitsShow(rect);
		// restoring
		while (it != _lastCastData.begin()) {		// FIXME: HACK, this iterator use is not very safe
			it--;
			_paint16->bitsRestore(it->castHandle);
		}
	} else {
		_paint16->bitsShow(rect);
	}
}

void GfxAnimate::addToPicDrawCels() {
	reg_t curObject;
	GfxView *view = NULL;
	AnimateList::iterator it;
	const AnimateList::iterator end = _list.end();

	for (it = _list.begin(); it != end; ++it) {
		curObject = it->object;

		if (it->priority == -1)
			it->priority = _ports->kernelCoordinateToPriority(it->y);

		// Get the corresponding view
		view = _cache->getView(it->viewId);

		// Create rect according to coordinates and given cel
		view->getCelRect(it->loopNo, it->celNo, it->x, it->y, it->z, it->celRect);

		// draw corresponding cel
		_paint16->drawCel(it->viewId, it->loopNo, it->celNo, it->celRect, it->priority, it->paletteNo);
		if ((it->signal & kSignalIgnoreActor) == 0) {
			it->celRect.top = CLIP<int16>(_ports->kernelPriorityToCoordinate(it->priority) - 1, it->celRect.top, it->celRect.bottom - 1);
			_paint16->fillRect(it->celRect, GFX_SCREEN_MASK_CONTROL, 0, 0, 15);
		}
	}
}

void GfxAnimate::addToPicDrawView(GuiResourceId viewId, int16 loopNo, int16 celNo, int16 leftPos, int16 topPos, int16 priority, int16 control) {
	GfxView *view = _cache->getView(viewId);
	Common::Rect celRect;

	// Create rect according to coordinates and given cel
	view->getCelRect(loopNo, celNo, leftPos, topPos, priority, celRect);
	_paint16->drawCel(view, loopNo, celNo, celRect, priority, 0);
}


void GfxAnimate::animateShowPic() {
	Port *picPort = _ports->_picWind;
	Common::Rect picRect = picPort->rect;
	bool previousCursorState = _cursor->isVisible();

	if (previousCursorState)
		_cursor->kernelHide();
	// Adjust picRect to become relative to screen
	picRect.translate(picPort->left, picPort->top);
	_transitions->doit(picRect);
	if (previousCursorState)
		_cursor->kernelShow();
}

void GfxAnimate::kernelAnimate(reg_t listReference, bool cycle, int argc, reg_t *argv) {
	byte old_picNotValid = _screen->_picNotValid;

	if (getSciVersion() >= SCI_VERSION_1_1)
		_palette->palVaryUpdate();

	if (listReference.isNull()) {
		disposeLastCast();
		if (_screen->_picNotValid)
			animateShowPic();
		return;
	}

	List *list = _s->_segMan->lookupList(listReference);
	if (!list)
		error("kAnimate called with non-list as parameter");

	if (cycle) {
		if (!invoke(list, argc, argv))
			return;

		// Look up the list again, as it may have been modified
		list = _s->_segMan->lookupList(listReference);
	}

	Port *oldPort = _ports->setPort((Port *)_ports->_picWind);
	disposeLastCast();

	makeSortedList(list);
	fill(old_picNotValid);

	if (old_picNotValid) {
		// beginUpdate()/endUpdate() were introduced SCI1.
		// Calling those for SCI0 will work most of the time but breaks minor
		// stuff like percentage bar of qfg1ega at the character skill screen.
		if (getSciVersion() >= SCI_VERSION_1_EGA)
			_ports->beginUpdate(_ports->_picWind);
		update();
		if (getSciVersion() >= SCI_VERSION_1_EGA)
			_ports->endUpdate(_ports->_picWind);
	}

	drawCels();

	if (_screen->_picNotValid)
		animateShowPic();

	updateScreen(old_picNotValid);
	restoreAndDelete(argc, argv);

	if (_lastCastData.size() > 1)
		_s->_throttleTrigger = true;

	_ports->setPort(oldPort);
}

void GfxAnimate::addToPicSetPicNotValid() {
	if (getSciVersion() <= SCI_VERSION_1_EARLY)
		_screen->_picNotValid = 1;
	else
		_screen->_picNotValid = 2;
}

void GfxAnimate::kernelAddToPicList(reg_t listReference, int argc, reg_t *argv) {
	List *list;

	_ports->setPort((Port *)_ports->_picWind);

	list = _s->_segMan->lookupList(listReference);
	if (!list)
		error("kAddToPic called with non-list as parameter");

	makeSortedList(list);
	addToPicDrawCels();

	addToPicSetPicNotValid();
}

void GfxAnimate::kernelAddToPicView(GuiResourceId viewId, int16 loopNo, int16 celNo, int16 leftPos, int16 topPos, int16 priority, int16 control) {
	_ports->setPort((Port *)_ports->_picWind);
	addToPicDrawView(viewId, loopNo, celNo, leftPos, topPos, priority, control);
	addToPicSetPicNotValid();
}

} // End of namespace Sci