mirror of https://github.com/axmolengine/axmol.git
149 lines
3.9 KiB
C++
149 lines
3.9 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2017 Chukong Technologies Inc.
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https://axmolengine.github.io/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "ProcessBase.h"
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USING_NS_AX;
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namespace cocostudio
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{
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ProcessBase::ProcessBase(void)
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: _processScale(1)
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, _isPause(true)
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, _isComplete(true)
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, _isPlaying(false)
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, _currentPercent(0.0f)
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, _rawDuration(0)
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, _loopType(ANIMATION_LOOP_BACK)
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, _tweenEasing(ax::tweenfunc::Linear)
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, _animationInternal(1 / 60.0f)
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, _durationTween(0)
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, _currentFrame(0)
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, _curFrameIndex(0)
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, _isLoopBack(false)
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{}
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ProcessBase::~ProcessBase(void) {}
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void ProcessBase::pause()
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{
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_isPause = true;
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_isPlaying = false;
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}
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void ProcessBase::resume()
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{
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_isPause = false;
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_isPlaying = true;
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}
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void ProcessBase::stop()
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{
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_isComplete = true;
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_isPlaying = false;
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}
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void ProcessBase::play(int durationTo, int /*durationTween*/, int /*loop*/, int tweenEasing)
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{
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_isComplete = false;
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_isPause = false;
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_isPlaying = true;
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_currentFrame = 0;
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/*
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* Set m_iTotalFrames to durationTo, it is used for change tween between two animation.
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* When changing end, m_iTotalFrames will be set to _durationTween
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*/
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_nextFrameIndex = durationTo;
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_tweenEasing = (ax::tweenfunc::TweenType)tweenEasing;
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}
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void ProcessBase::update(float dt)
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{
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if (_isComplete || _isPause)
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{
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return;
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}
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/*
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* Filter the m_iDuration <=0 and dt >1
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* If dt>1, generally speaking the reason is the device is stuck.
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*/
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if (_rawDuration <= 0 || dt > 1)
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{
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return;
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}
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if (_nextFrameIndex <= 0)
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{
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_currentPercent = 1;
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_currentFrame = 0;
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}
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else
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{
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/*
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* update _currentFrame, every update add the frame passed.
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* dt/_animationInternal determine it is not a frame animation. If frame speed changed, it will not make our
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* animation speed slower or quicker.
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*/
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_currentFrame += _processScale * (dt / _animationInternal);
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_currentPercent = _currentFrame / _nextFrameIndex;
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/*
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* if _currentFrame is bigger or equal than m_iTotalFrames, then reduce it until _currentFrame is
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* smaller than m_iTotalFrames
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*/
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_currentFrame = fmodf(_currentFrame, _nextFrameIndex);
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}
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updateHandler();
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}
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void ProcessBase::gotoFrame(int frameIndex)
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{
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if (_loopType == ANIMATION_NO_LOOP)
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{
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_loopType = ANIMATION_MAX;
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}
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else if (_loopType == ANIMATION_TO_LOOP_FRONT)
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{
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_loopType = ANIMATION_LOOP_FRONT;
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}
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_curFrameIndex = frameIndex;
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_nextFrameIndex = _durationTween;
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}
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int ProcessBase::getCurrentFrameIndex()
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{
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_curFrameIndex = (_rawDuration - 1) * _currentPercent;
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return _curFrameIndex;
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}
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} // namespace cocostudio
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