Initial commit

engines/asylum/puzzles/writings.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "asylum/puzzles/writings.h"
+
+#include "asylum/resources/actor.h"
+#include "asylum/resources/worldstats.h"
+
+#include "asylum/system/cursor.h"
+#include "asylum/system/graphics.h"
+#include "asylum/system/screen.h"
+#include "asylum/system/text.h"
+
+#include "asylum/views/scene.h"
+
+#include "asylum/asylum.h"
+
+namespace Asylum {
+
+PuzzleWritings::PuzzleWritings(AsylumEngine *engine) : Puzzle(engine) {
+	_frameIndex = 0;
+	_hasGlassMagnifier = false;
+}
+
+PuzzleWritings::~PuzzleWritings() {
+	_textSurface.free();
+}
+
+//////////////////////////////////////////////////////////////////////////
+// Event Handling
+//////////////////////////////////////////////////////////////////////////
+bool PuzzleWritings::init(const AsylumEvent &)  {
+	if (getScene()->getActor()->inventory.getSelectedItem() == 3)
+		_hasGlassMagnifier = true;
+	else
+		_hasGlassMagnifier = false;
+
+	getScreen()->setPalette(getWorld()->graphicResourceIds[10]);
+	getScreen()->setGammaLevel(getWorld()->graphicResourceIds[10]);
+
+	if (_hasGlassMagnifier) {
+		getCursor()->hide();
+		getSharedData()->setFlag(kFlag1, true);
+		_vm->setGameFlag(kGameFlag481);
+	} else {
+		getCursor()->set(getWorld()->graphicResourceIds[61], -1, kCursorAnimationNone, 7);
+	}
+
+	_textSurface.create(640, 480, Graphics::PixelFormat::createFormatCLUT8());
+
+	// Draw background
+	getScreen()->fillRect(0, 0, 640, 480, 253);
+	getScreen()->draw(getWorld()->graphicResourceIds[5], 0, Common::Point(0, 0), kDrawFlagNone, true);
+
+	// Draw all lines of text
+	int textId;
+	switch (_vm->getLanguage()) {
+	default:
+	case Common::EN_ANY:
+		textId = 1825;
+		break;
+
+	case Common::DE_DEU:
+		textId = 1748;
+		break;
+
+	case Common::FR_FRA:
+		textId = 1729;
+		break;
+	}
+
+	getText()->loadFont(getWorld()->graphicResourceIds[42]);
+	for (int i = 0; i < 10; i++, textId++)
+		getText()->draw(0, 99, kTextNormal, Common::Point(70 + 60 * (i & 1), 45 + 30 * i), 16, 590,
+						getText()->get(MAKE_RESOURCE(kResourcePackText, textId)));
+
+	getText()->drawCentered(Common::Point(10, 375), 590, getText()->get(MAKE_RESOURCE(kResourcePackText, textId++)));
+	getText()->drawCentered(Common::Point(10, 405), 590, getText()->get(MAKE_RESOURCE(kResourcePackText, textId)));
+
+	_textSurface.copyFrom(*getScreen()->getSurface());
+
+	return false;
+}
+
+bool PuzzleWritings::update(const AsylumEvent &)  {
+	// Adjust palette
+	if (rnd(10) < 7) {
+		getScreen()->setPalette(getWorld()->graphicResourceIds[6]);
+		getScreen()->setGammaLevel(getWorld()->graphicResourceIds[6]);
+	} else {
+		getScreen()->setPalette(getWorld()->graphicResourceIds[10]);
+		getScreen()->setGammaLevel(getWorld()->graphicResourceIds[10]);
+	}
+
+	// Compute frame index
+	Common::Point mousePos = getCursor()->position();
+
+	if (mousePos.x > 50 && mousePos.x < 530 && mousePos.y > 20 && mousePos.y < 430) {
+		if (_frameIndex < 26)
+			++_frameIndex;
+	} else {
+		if (_frameIndex > 0)
+			--_frameIndex;
+	}
+
+	// Draw background
+	getScreen()->clearGraphicsInQueue();
+	getScreen()->fillRect(0, 0, 640, 480, 253);
+	getScreen()->draw(getWorld()->graphicResourceIds[4], 0, Common::Point(0, 0), kDrawFlagNone, true);
+
+	if (_hasGlassMagnifier) {
+		mousePos -= Common::Point(50, 50);
+		Common::Rect eyeBall = Common::Rect(0, 0, 640, 480).findIntersectingRect(Common::Rect(mousePos.x +  20, mousePos.y +  20,
+																							  mousePos.x + 100, mousePos.y + 100));
+		Graphics::Surface subArea, *subArea1;
+		subArea  = _textSurface.getSubArea(eyeBall);
+		subArea1 = subArea.scale(3 * eyeBall.width() / 4, 3 * eyeBall.height() / 4);
+		eyeBall.left += 9;
+		eyeBall.top  += 9;
+
+		int16 dw, dh;
+		dw = MAX(0, eyeBall.left + subArea1->w - 640);
+		dh = MAX(0, eyeBall.top  + subArea1->h - 480);
+		getScreen()->copyToBackBuffer((byte *)subArea1->getPixels(), subArea1->pitch, eyeBall.left, eyeBall.top, subArea1->w - dw, subArea1->h - dh);
+
+		subArea1->free();
+		delete subArea1;
+
+		getScreen()->addGraphicToQueueMasked(getWorld()->graphicResourceIds[9], 0, mousePos, getWorld()->graphicResourceIds[8], mousePos, kDrawFlagNone, 2);
+		getScreen()->addGraphicToQueue(getWorld()->graphicResourceIds[7], (uint32)_frameIndex, mousePos, kDrawFlagNone, 0, 1);
+	}
+
+	getScreen()->drawGraphicsInQueue();
+	getScreen()->copyBackBufferToScreen();
+
+	return true;
+}
+
+bool PuzzleWritings::exitPuzzle() {
+	getCursor()->hide();
+	getSharedData()->setFlag(kFlag1, true);
+	getScreen()->stopPaletteFade(0, 0, 0);
+
+	_vm->switchEventHandler(getScene());
+
+	return false;
+}
+
+} // End of namespace Asylum