Initial commit

engines/saga2/video.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
+ * aint32 with this program; if not, write to the Free Software
+ *
+ *
+ * Based on the original sources
+ *   Faery Tale II -- The Halls of the Dead
+ *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
+ */
+
+#include "graphics/paletteman.h"
+#include "video/smk_decoder.h"
+
+#include "saga2/saga2.h"
+
+namespace Saga2 {
+
+#define VIDEO_EXT ".SMK"
+
+void Saga2Engine::startVideo(const char *fileName, int x, int y) {
+	Common::String fname = fileName;
+
+	if (!fname.hasSuffix(VIDEO_EXT))
+		fname += VIDEO_EXT;
+
+	if (!_smkDecoder)
+		_smkDecoder = new Video::SmackerDecoder();
+
+	if (!_smkDecoder->loadFile(Common::Path(fname))) {
+		warning("startVideo: Cannot open file %s", fname.c_str());
+
+		return;
+	}
+
+	_videoX = x;
+	_videoY = y;
+
+	_smkDecoder->start();
+}
+
+bool Saga2Engine::checkVideo() {
+	if (!_smkDecoder)
+		return false;
+
+	if (_smkDecoder->endOfVideo())
+		return false;
+
+	if (_smkDecoder->needsUpdate()) {
+		const Graphics::Surface *frame = _smkDecoder->decodeNextFrame();
+		if (frame) {
+			g_system->copyRectToScreen(frame->getPixels(), frame->pitch, _videoX, _videoY, frame->w, frame->h);
+
+			if (_smkDecoder->hasDirtyPalette())
+				g_system->getPaletteManager()->setPalette(_smkDecoder->getPalette(), 0, 256);
+
+			g_system->updateScreen();
+			g_system->delayMillis(10);
+		}
+	}
+
+	return true;
+}
+
+void Saga2Engine::abortVideo() {
+	endVideo();
+}
+
+void Saga2Engine::endVideo() {
+	if (_smkDecoder)
+		_smkDecoder->stop();
+
+	delete _smkDecoder;
+	_smkDecoder = nullptr;
+}
+
+} // end of namespace Saga2