Initial commit

engines/mohawk/myst_stacks/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 "mohawk/myst.h"
+#include "mohawk/myst_areas.h"
+#include "mohawk/myst_graphics.h"
+#include "mohawk/myst_state.h"
+#include "mohawk/sound.h"
+#include "mohawk/video.h"
+#include "mohawk/myst_stacks/intro.h"
+
+namespace Mohawk {
+namespace MystStacks {
+
+Intro::Intro(MohawkEngine_Myst *vm, MystStack stackId) :
+		MystScriptParser(vm, stackId),
+		_introMoviesRunning(false),
+		_introStep(0),
+		_linkBookRunning(false),
+		_linkBookMovie(nullptr) {
+	setupOpcodes();
+}
+
+Intro::~Intro() {
+}
+
+void Intro::setupOpcodes() {
+	// "Stack-Specific" Opcodes
+	REGISTER_OPCODE(100, Intro, o_useLinkBook);
+
+	// "Init" Opcodes
+	REGISTER_OPCODE(200, Intro, o_playIntroMovies);
+	REGISTER_OPCODE(201, Intro, o_mystLinkBook_init);
+
+	// "Exit" Opcodes
+	REGISTER_OPCODE(300, Intro, NOP);
+}
+
+void Intro::disablePersistentScripts() {
+	_introMoviesRunning = false;
+	_linkBookRunning = false;
+}
+
+void Intro::runPersistentScripts() {
+	if (_introMoviesRunning)
+		introMovies_run();
+
+	if (_linkBookRunning)
+		mystLinkBook_run();
+}
+
+uint16 Intro::getVar(uint16 var) {
+	switch(var) {
+	case 0:
+		if (_globals.currentAge == kSirrusEnding || _globals.currentAge == kAchenarEnding)
+			return 2;
+		else
+			return _globals.currentAge;
+	default:
+		return MystScriptParser::getVar(var);
+	}
+}
+
+void Intro::o_useLinkBook(uint16 var, const ArgumentsArray &args) {
+	// Hard coded SoundId valid only for Intro Stack.
+	// Other stacks use Opcode 40, which takes SoundId values as arguments.
+	const uint16 soundIdLinkSrc = 5;
+	const uint16 soundIdLinkDst[] = { 2282, 3029, 6396, 7122, 3137, 0, 9038, 5134, 0, 4739, 4741 };
+
+	// Change to dest stack
+	_vm->changeToStack(_stackMap[_globals.currentAge], _startCard[_globals.currentAge], soundIdLinkSrc, soundIdLinkDst[_globals.currentAge]);
+}
+
+void Intro::introMovies_run() {
+	// Play Intro Movies
+	// This is all quite messy...
+
+	VideoEntryPtr video;
+
+	switch (_introStep) {
+	case 0:
+		_introStep = 1;
+		video = _vm->playMovieFullscreen("broder", kIntroStack);
+		break;
+	case 1:
+		if (!_vm->_video->isVideoPlaying())
+			_introStep = 2;
+		break;
+	case 2:
+		_introStep = 3;
+		video = _vm->playMovieFullscreen("cyanlogo", kIntroStack);
+		break;
+	case 3:
+		if (!_vm->_video->isVideoPlaying())
+			_introStep = 4;
+		break;
+	case 4:
+		_introStep = 5;
+
+		if (!_vm->isGameVariant(GF_DEMO)) { // The demo doesn't have the intro video
+			video = _vm->playMovieFullscreen("intro", kIntroStack);
+		}
+		break;
+	case 5:
+		if (!_vm->_video->isVideoPlaying())
+			_introStep = 6;
+		break;
+	default:
+		if (_vm->isGameVariant(GF_DEMO))
+			_vm->changeToCard(2001, kTransitionRightToLeft);
+		else
+			_vm->changeToCard(2, kTransitionRightToLeft);
+	}
+}
+
+void Intro::o_playIntroMovies(uint16 var, const ArgumentsArray &args) {
+	_introMoviesRunning = true;
+
+	if (_vm->isGameVariant(GF_25TH)) {
+		// In the 25th anniversary version, the Broderbund / Cyan Logo were already shown
+		// before the main menu. No need to play them again here.
+		_introStep = 4;
+	} else {
+		_introStep = 0;
+	}
+}
+
+void Intro::mystLinkBook_run() {
+	if (_startTime == 1) {
+		_startTime = 0;
+
+		if (!_vm->wait(5000, true)) {
+			_linkBookMovie->playMovie();
+			_vm->_gfx->copyImageToBackBuffer(4, Common::Rect(544, 333));
+			_vm->_gfx->copyBackBufferToScreen(Common::Rect(544, 333));
+		}
+	} else if (!_linkBookMovie->isPlaying()) {
+		_vm->changeToCard(5, kTransitionRightToLeft);
+	}
+}
+
+void Intro::o_mystLinkBook_init(uint16 var, const ArgumentsArray &args) {
+	_linkBookMovie = getInvokingResource<MystAreaVideo>();
+	_startTime = 1;
+	_linkBookRunning = true;
+}
+
+} // End of namespace MystStacks
+} // End of namespace Mohawk