Initial commit

engines/wintermute/base/gfx/xanimation_set.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/>.
+ *
+ */
+
+/*
+ * This file is based on WME.
+ * http://dead-code.org/redir.php?target=wme
+ * Copyright (c) 2003-2013 Jan Nedoma and contributors
+ */
+
+#include "engines/wintermute/base/base_game.h"
+#include "engines/wintermute/base/gfx/xanimation_set.h"
+#include "engines/wintermute/base/gfx/xmodel.h"
+#include "engines/wintermute/dcgf.h"
+
+namespace Wintermute {
+
+//////////////////////////////////////////////////////////////////////////
+AnimationSet::AnimationSet(BaseGame *inGame, XModel *model) : BaseNamedObject(inGame) {
+	_frameTime = -1;
+	_totalTime = 0;
+	_looping = false;
+	_model = model;
+}
+
+//////////////////////////////////////////////////////////////////////////
+AnimationSet::~AnimationSet() {
+	// remove child animations
+	for (int32 i = 0; i < _animations.getSize(); i++) {
+		delete _animations[i];
+	}
+	_animations.removeAll();
+
+	// remove events
+	for (int32 i = 0; i < _events.getSize(); i++) {
+		delete _events[i];
+	}
+	_events.removeAll();
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool AnimationSet::findBones(FrameNode *rootFrame) {
+	for (int32 i = 0; i < _animations.getSize(); i++) {
+		_animations[i]->findBone(rootFrame);
+	}
+	return true;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool AnimationSet::addAnimation(Animation *anim) {
+	if (!anim) {
+		return false;
+	} else {
+		_animations.add(anim);
+		return true;
+	}
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool AnimationSet::addEvent(AnimationEvent *event) {
+	if (!event) {
+		return false;
+	} else {
+		int frameTime = getFrameTime();
+		if (frameTime < 0) {
+			_game->LOG(0, "Error adding animation event %s, no keyframes found", event->_eventName);
+			SAFE_DELETE(event);
+			return false;
+		}
+
+		int totalFrames = 0;
+		if (frameTime > 0)
+			totalFrames = getTotalTime() / frameTime + 1;
+
+		if (event->_frame < 1)
+			event->_frame = 1;
+		if (event->_frame > totalFrames)
+			event->_frame = totalFrames;
+
+		_events.add(event);
+		return true;
+	}
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool AnimationSet::update(int slot, uint32 localTime, float lerpValue) {
+	bool res;
+	for (int32 i = 0; i < _animations.getSize(); i++) {
+		res = _animations[i]->update(slot, localTime * ((float)_model->_ticksPerSecond / 1000.0f), lerpValue);
+		if (!res) {
+			return res;
+		}
+	}
+	return true;
+}
+
+//////////////////////////////////////////////////////////////////////////
+int AnimationSet::getFrameTime() {
+	if (_frameTime >= 0) {
+		return _frameTime;
+	}
+
+	_frameTime = 0;
+	for (int32 i = 0; i < _animations.getSize(); i++) {
+		int frameTime = _animations[i]->getFrameTime();
+		if (_frameTime == 0) {
+			_frameTime = frameTime / ((float)_model->_ticksPerSecond / 1000.0f);
+		} else if (frameTime > 0) {
+			_frameTime = MIN(float(_frameTime), frameTime / ((float)_model->_ticksPerSecond / 1000.0f));
+		}
+	}
+	return _frameTime;
+}
+
+//////////////////////////////////////////////////////////////////////////
+uint32 AnimationSet::getTotalTime() {
+	if (_totalTime > 0) {
+		return _totalTime;
+	}
+
+	_totalTime = 0;
+	for (int32 i = 0; i < _animations.getSize(); i++) {
+		_totalTime = MAX((float)_totalTime, _animations[i]->getTotalTime() / ((float)_model->_ticksPerSecond / 1000.0f));
+	}
+	return _totalTime;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool AnimationSet::onFrameChanged(int currentFrame, int prevFrame) {
+	if (!_model || !_model->_owner) {
+		return true;
+	}
+
+	if (prevFrame > currentFrame) {
+		for (int32 i = 0; i < _events.getSize(); i++) {
+			if (_events[i]->_frame > prevFrame) {
+				_model->_owner->applyEvent(_events[i]->_eventName);
+			}
+		}
+		prevFrame = -1;
+	}
+
+	for (int32 i = 0; i < _events.getSize(); i++) {
+		if (_events[i]->_frame > prevFrame && _events[i]->_frame <= currentFrame) {
+			_model->_owner->applyEvent(_events[i]->_eventName);
+		}
+	}
+	return true;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool AnimationSet::persist(BasePersistenceManager *persistMgr) {
+	persistMgr->transferBool(TMEMBER(_looping));
+
+	// persist events
+	int32 numEvents;
+	if (persistMgr->getIsSaving()) {
+		numEvents = _events.getSize();
+	}
+
+	persistMgr->transferSint32(TMEMBER(numEvents));
+
+	for (int i = 0; i < numEvents; i++) {
+		if (persistMgr->getIsSaving()) {
+			_events[i]->persist(persistMgr);
+		} else {
+			AnimationEvent *rvent = new AnimationEvent();
+			rvent->persist(persistMgr);
+			_events.add(rvent);
+		}
+	}
+
+	return true;
+}
+
+} // namespace Wintermute