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engines/mohawk/myst_stacks/credits.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_card.h"
+#include "mohawk/myst_graphics.h"
+#include "mohawk/cursors.h"
+#include "mohawk/sound.h"
+#include "mohawk/video.h"
+#include "mohawk/myst_stacks/credits.h"
+
+#include "common/system.h"
+
+namespace Mohawk {
+namespace MystStacks {
+
+// NOTE: Credits Start Card is 10000
+
+Credits::Credits(MohawkEngine_Myst *vm) :
+		MystScriptParser(vm, kCreditsStack),
+		_creditsRunning(false),
+		_curImage(0) {
+	setupOpcodes();
+}
+
+Credits::~Credits() {
+}
+
+void Credits::setupOpcodes() {
+	// "Stack-Specific" Opcodes
+	REGISTER_OPCODE(100, Credits, o_quit);
+
+	// "Init" Opcodes
+	REGISTER_OPCODE(200, Credits, o_runCredits);
+}
+
+void Credits::disablePersistentScripts() {
+	_creditsRunning = false;
+}
+
+void Credits::runPersistentScripts() {
+	if (!_creditsRunning)
+		return;
+
+	if (_vm->getTotalPlayTime() - _startTime >= 7 * 1000) {
+		_curImage++;
+
+		// After the 6th image has shown, it's time to quit
+		if (_curImage == 7) {
+			_vm->quitGame();
+			return;
+		}
+
+		// Draw next image
+		_vm->getCard()->drawBackground();
+		_vm->_gfx->copyBackBufferToScreen(Common::Rect(544, 333));
+
+		_startTime = _vm->getTotalPlayTime();
+	}
+}
+
+uint16 Credits::getVar(uint16 var) {
+	switch(var) {
+	case 0: // Credits Image Control
+		return _curImage;
+	case 1: // Credits Music Control (Good / bad ending)
+		return _globals.ending != kBooksDestroyed;
+	default:
+		return MystScriptParser::getVar(var);
+	}
+}
+
+void Credits::o_runCredits(uint16 var, const ArgumentsArray &args) {
+	// The credits stack does not have all the cursors, reset to the default cursor.
+	_globals.heldPage = kNoPage;
+	_vm->setMainCursor(kDefaultMystCursor);
+
+	// Activate the credits
+	_creditsRunning = true;
+	_curImage = 0;
+	_startTime = _vm->getTotalPlayTime();
+}
+
+} // End of namespace MystStacks
+} // End of namespace Mohawk