Initial commit

engines/pink/objects/actions/action_loop.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 "common/random.h"
+
+#include "pink/pink.h"
+#include "pink/cel_decoder.h"
+#include "pink/objects/actions/action_loop.h"
+#include "pink/objects/actors/actor.h"
+#include "pink/objects/pages/page.h"
+
+namespace Pink {
+
+void ActionLoop::deserialize(Archive &archive) {
+	ActionPlay::deserialize(archive);
+	uint16 style;
+	_intro = archive.readDWORD();
+	style = archive.readWORD();
+	switch (style) {
+	case kPingPong:
+		_style = kPingPong;
+		break;
+	case kRandom:
+		_style = kRandom;
+		break;
+	default:
+		_style = kForward;
+		break;
+	}
+}
+
+void ActionLoop::toConsole() const {
+	debugC(6, kPinkDebugLoadingObjects, "\tActionLoop: _name = %s, _fileName = %s, z = %u, _startFrame = %u,"
+				  " _endFrame = %d, _intro = %u, _style = %u",
+		  _name.c_str(), _fileName.c_str(), _z, _startFrame, _stopFrame, _intro, _style);
+}
+
+void ActionLoop::update() {
+	int32 frame = _decoder.getCurFrame();
+
+	if (!_inLoop) {
+		if (frame < (int32)_startFrame) {
+			decodeNext();
+			return;
+		} else
+			_inLoop = true;
+	}
+
+	switch (_style) {
+	case kPingPong:
+		if (_forward) {
+			if (frame < _stopFrame) {
+				decodeNext();
+			} else {
+				_forward = false;
+				ActionCEL::setFrame(_stopFrame - 1);
+				decodeNext();
+			}
+		} else {
+			if (frame > (int32)_startFrame) {
+				ActionCEL::setFrame(frame - 1);
+			} else {
+				_forward = true;
+			}
+			decodeNext();
+		}
+		break;
+
+	case kRandom: {
+		Common::RandomSource &rnd = _actor->getPage()->getGame()->getRnd();
+		ActionCEL::setFrame(rnd.getRandomNumberRng(_startFrame, _stopFrame));
+		decodeNext();
+		break;
+	}
+
+	case kForward:
+		if (frame == _stopFrame) {
+			ActionCEL::setFrame(_startFrame);
+		}
+		decodeNext();
+		break;
+
+	default:
+		break;
+	}
+}
+
+void ActionLoop::onStart() {
+	if (_intro) {
+		uint startFrame = _startFrame;
+		_startFrame = 0;
+		ActionPlay::onStart();
+		_startFrame = startFrame;
+		_inLoop = false;
+	} else {
+		ActionPlay::onStart();
+		_inLoop = true;
+	}
+
+	if (!isTalk())
+		_actor->endAction();
+
+	_forward = true;
+}
+
+void ActionLoop::end() {
+	ActionCEL::end();
+	debugC(6, kPinkDebugActions, "ActionLoop %s of Actor %s is ended", _name.c_str(), _actor->getName().c_str());
+}
+
+} // End of namespace Pink