Initial commit

engines/gnap/scenes/intro.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 "video/avi_decoder.h"
+
+#include "gnap/gnap.h"
+#include "gnap/gamesys.h"
+#include "gnap/resource.h"
+#include "gnap/scenes/intro.h"
+
+namespace Gnap {
+
+SceneIntro::SceneIntro(GnapEngine *vm) : Scene(vm) {
+}
+
+int SceneIntro::init() {
+	return 0x37C;
+}
+
+void SceneIntro::run() {
+	const int animIdArr[] = {
+		0x356, 0x357, 0x358, 0x35A, 0x35F,
+		0x360, 0x361, 0x362, 0x363, 0x364,
+		0x365, 0x368, 0x369, 0x36B, 0x378,
+		0x36C, 0x36D, 0x36E, 0x36F, 0x370,
+		0x371, 0x372, 0x373, 0x374, 0x375,
+		0x376, 0x377, 0x378, 0x379, 0x37A,
+		0x37B, 0};
+
+	const int backgroundIdArr[] = {
+		0x354, 0x355, 0, 1, 3,
+		4, 5, 6, 7, 8,
+		7, 9, 0xA, 0xB, 0xC,
+		0xD, 0xE, 0xF, 0x10, 0x11,
+		0x12, 0x13, 0x17, 0x14, 0x19,
+		0x1A, 0x14, 0x15, 0x16, 0x14,
+		0x19, 0};
+
+	GameSys& gameSys = *_vm->_gameSys;
+	int index = 0;
+	bool skip = false;
+
+	_vm->hideCursor();
+	_vm->_dat->open(1, "musop_n.dat");
+
+	Video::VideoDecoder *videoDecoder = new Video::AVIDecoder();
+	if (!videoDecoder->loadFile("hoffman.avi")) {
+		delete videoDecoder;
+		warning("Unable to open video 'hoffman.avi' - Skipping intro");
+		return;
+	}
+	videoDecoder->start();
+
+	int vidPosX = (800 - videoDecoder->getWidth()) / 2;
+	int vidPosY = (600 - videoDecoder->getHeight()) / 2;
+	bool skipVideo = false;
+
+	_vm->screenEffect(1, 255, 255, 255);
+
+	while (!_vm->shouldQuit() && !videoDecoder->endOfVideo() && !skipVideo) {
+		if (videoDecoder->needsUpdate()) {
+			const Graphics::Surface *frame = videoDecoder->decodeNextFrame();
+			if (frame) {
+				if (frame->format.bytesPerPixel == 1) {
+					_vm->_system->copyRectToScreen(frame->getPixels(), frame->pitch, vidPosX, vidPosY, frame->w, frame->h);
+				} else if (frame->format.bytesPerPixel != 4) {
+					Graphics::Surface *frame1 = frame->convertTo(_vm->_system->getScreenFormat());
+					_vm->_system->copyRectToScreen(frame1->getPixels(), frame1->pitch, vidPosX, vidPosY, frame1->w, frame1->h);
+					frame1->free();
+					delete frame1;
+				} else {
+					Graphics::Surface *frame1 = frame->convertTo(_vm->_system->getScreenFormat());
+
+					// The intro AVI is played upside down, it's the only video played in the English version
+					for (uint16 y = 0; y < frame1->h / 2; y++) {
+						uint32 *ptrFrom = (uint32 *)frame1->getBasePtr(0, y);
+						uint32 *ptrTo = (uint32 *)frame1->getBasePtr(0, frame1->h - y - 1);
+						// in this else branch, bytesPerPixel equals 4
+						for (uint16 x = 0; x < frame1->pitch / 4; x++) {
+							uint32 t = *ptrFrom;
+							*ptrFrom = *ptrTo;
+							*ptrTo = t;
+							ptrFrom++;
+							ptrTo++;
+						}
+					}
+
+					_vm->_system->copyRectToScreen(frame1->getPixels(), frame1->pitch, vidPosX, vidPosY, frame1->w, frame1->h);
+					frame1->free();
+					delete frame1;
+				}
+				_vm->_system->updateScreen();
+			}
+		}
+
+		Common::Event event;
+		while (g_system->getEventManager()->pollEvent(event)) {
+			if ((event.type == Common::EVENT_KEYDOWN && event.kbd.keycode == Common::KEYCODE_ESCAPE) ||
+				event.type == Common::EVENT_LBUTTONUP)
+				skipVideo = true;
+		}
+
+		_vm->_system->delayMillis(10);
+	}
+
+	delete videoDecoder;
+
+	gameSys.drawSpriteToBackground(0, 0, backgroundIdArr[index]);
+	gameSys.insertSequence(0x356, 2, 0, 0, kSeqNone, 0, 0, 0);
+	gameSys.setAnimation(0x356, 2, 0);
+
+	while (!_vm->_sceneDone) {
+		_vm->gameUpdateTick();
+
+		if (gameSys.getAnimationStatus(0) == 2 || skip ) {
+			skip = false;
+			gameSys.requestClear2(false);
+			gameSys.requestClear1();
+			if ( index == 11 || index == 1 )
+				_vm->screenEffect(0, 0, 0, 0);
+
+			gameSys.setAnimation(0, 0, 0);
+			if (++index >= 31)
+				_vm->_sceneDone = true;
+			else {
+				gameSys.insertSequence(animIdArr[index], 2, 0, 0, kSeqNone, 0, 0, 0);
+				if (index == 2) {
+					_vm->playSound(0x10000, false);
+					gameSys.insertSequence(0x359, 2, 0, 0, 0, 0, 0, 0);
+				} else if (index == 3)
+					gameSys.insertSequence(0x35B, 2, 0, 0, kSeqNone, 0, 0, 0);
+				else if (index == 12)
+					gameSys.insertSequence(0x36A, 2, 0, 0, kSeqNone, 0, 0, 0);
+
+				gameSys.drawSpriteToBackground(0, 0, backgroundIdArr[index]);
+				gameSys.setAnimation(animIdArr[index], 2, 0);
+
+				if (index == 11)
+					_vm->stopSound(0x10000);
+			}
+		}
+
+		if (_vm->isKeyStatus1(Common::KEYCODE_ESCAPE) || _vm->isKeyStatus1(Common::KEYCODE_SPACE) || _vm->isKeyStatus1(Common::KEYCODE_RETURN)) {
+			_vm->clearKeyStatus1(Common::KEYCODE_ESCAPE);
+			_vm->clearKeyStatus1(Common::KEYCODE_SPACE);
+			_vm->clearKeyStatus1(Common::KEYCODE_RETURN);
+			if (index == 0) {
+				skip = true;
+				_vm->stopSound(0x3CF);
+			} else if (index == 1)
+				skip = true;
+			else
+				_vm->_sceneDone = true;
+		}
+	}
+
+	_vm->stopSound(0x10000);
+
+	_vm->_newSceneNum = 1;
+	_vm->_newCursorValue = 1;
+
+	_vm->_dat->open(1, "stock_n.dat");
+}
+
+} // End of namespace Gnap