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engines/director/lingo/xlibs/x/xplayanim.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/>.
+ *
+ */
+
+/*************************************
+ *
+ * USED IN:
+ * Iron Helix
+ *
+ *************************************/
+
+#include "video/paco_decoder.h"
+
+#include "director/director.h"
+#include "director/window.h"
+#include "director/lingo/lingo.h"
+#include "director/lingo/lingo-object.h"
+#include "director/lingo/xlibs/x/xplayanim.h"
+
+namespace Director {
+
+const char *const XPlayAnim::xlibName = "XPlayAnim";
+const XlibFileDesc XPlayAnim::fileNames[] = {
+	{ "XPlayAnim",	nullptr },
+	{ nullptr,		nullptr },
+};
+
+static const BuiltinProto builtins[] = {
+	{ "XPlayAnim",	XPlayAnim::b_xplayanim, 3, 3, 300, HBLTIN },
+	{ nullptr, nullptr, 0, 0, 0, VOIDSYM }
+};
+
+void XPlayAnim::open(ObjectType type, const Common::Path &path) {
+	g_lingo->initBuiltIns(builtins);
+}
+
+void XPlayAnim::close(ObjectType type) {
+	g_lingo->cleanupBuiltIns(builtins);
+}
+
+void XPlayAnim::b_xplayanim(int nargs) {
+	int y = g_lingo->pop().asInt();
+	int x = g_lingo->pop().asInt();
+	Common::String filename = g_lingo->pop().asString();
+
+	debug(5, "LB::b_xPlayAnim: x: %i y: %i", x, y);
+	Video::PacoDecoder *video = new Video::PacoDecoder();
+	bool result = video->loadFile(Common::Path(filename, g_director->_dirSeparator));
+	if (!result) {
+		warning("b_xPlayAnim: PACo video not loaded: %s", filename.c_str());
+		delete video;
+		return;
+	}
+
+	// save the current palette
+	byte origPalette[256 * 3];
+	uint16 origCount = g_director->getPaletteColorCount();
+
+	if (origCount > 256) {
+		warning("b_xPlayAnim: too big palette, %d > 256", origCount);
+		origCount = 256;
+	}
+
+	memcpy(origPalette, g_director->getPalette(), origCount * 3);
+	Graphics::Surface const *frame = nullptr;
+	Common::Event event;
+	bool keepPlaying = true;
+	video->start();
+	while (!video->endOfVideo()) {
+		if (g_director->pollEvent(event)) {
+			switch(event.type) {
+				case Common::EVENT_QUIT:
+					g_director->processEventQUIT();
+					// fallthrough
+				case Common::EVENT_KEYDOWN:
+				case Common::EVENT_RBUTTONDOWN:
+				case Common::EVENT_LBUTTONDOWN:
+					keepPlaying = false;
+					break;
+				default:
+					break;
+			}
+		}
+		if (!keepPlaying)
+			break;
+		if (video->needsUpdate()) {
+			frame = video->decodeNextFrame();
+			g_system->copyRectToScreen(frame->getPixels(), frame->pitch, x, y, frame->w, frame->h);
+		}
+		if (video->hasDirtyPalette()) {
+			byte *palette = const_cast<byte *>(video->getPalette());
+			g_director->setPalette(palette, 256);
+		}
+
+		g_system->updateScreen();
+		g_director->delayMillis(10);
+
+	}
+	if (frame != nullptr)
+		// Display the last frame after the video is done
+		g_director->getCurrentWindow()->getSurface()->copyRectToSurface(
+			frame->getPixels(), frame->pitch, x, y, frame->w, frame->h
+		);
+
+	video->close();
+	delete video;
+	// restore the palette
+	g_director->setPalette(origPalette, origCount);
+}
+
+} // End of namespace Director