axmol/cocos/3d/CCAnimate3D.cpp

/****************************************************************************
 Copyright (c) 2014 Chukong Technologies Inc.

 http://www.cocos2d-x.org

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 THE SOFTWARE.
 ****************************************************************************/

#include "3d/CCAnimate3D.h"
#include "3d/CCAnimation3D.h"
#include "3d/CCSprite3D.h"
#include "3d/CCMeshSkin.h"

#include "base/ccMacros.h"
#include "platform/CCFileUtils.h"

NS_CC_BEGIN

//create Animate3D using Animation.
Animate3D* Animate3D::create(Animation3D* animation)
{
    auto animate = new Animate3D();
    animate->_animation = animation;
    animation->retain();
    
    animate->autorelease();
    animate->setDuration(animation->getDuration());
    
    return animate;
}

/** returns a clone of action */
Animate3D* Animate3D::clone() const
{
    
    auto animate = const_cast<Animate3D*>(this);
    auto copy = Animate3D::create(animate->_animation);
    
    copy->_speed = _speed;
    copy->_elapsed = _elapsed;
    copy->_playBack = _playBack;

    return copy;
}

/** returns a new action that performs the exactly the reverse action */
Animate3D* Animate3D::reverse() const
{
    auto animate = clone();
    animate->_playBack = !animate->_playBack;
    return animate;
}

//! called before the action start. It will also set the target.
void Animate3D::startWithTarget(Node *target)
{
    Sprite3D* sprite = dynamic_cast<Sprite3D*>(target);
    CCASSERT(sprite && sprite->getSkin() && _animation, "Animate3D apply to Sprite3D only");
    
    ActionInterval::startWithTarget(target);
    
    _boneCurves.clear();
    auto skin = sprite->getSkin();
    for (unsigned int  i = 0; i < skin->getBoneCount(); i++) {
        auto bone = skin->getBoneByIndex(i);
        auto curve = _animation->getBoneCurveByName(bone->getName());
        if (curve)
        {
            _boneCurves[bone] = curve;
        }
        else
        {
            CCLOG("warning: bone %s not find in animation", bone->getName().c_str());
        }
    }
}

//! called every frame with it's delta time. DON'T override unless you know what you are doing.
void Animate3D::step(float dt)
{
    ActionInterval::step(dt * _speed);
}

void Animate3D::update(float t)
{
    if (_target)
    {
        float transDst[3], rotDst[4], scaleDst[3];
        float* trans = nullptr, *rot = nullptr, *scale = nullptr;
        if (_playBack)
            t = 1 - t;
        
        for (const auto& it : _boneCurves) {
            auto bone = it.first;
            auto curve = it.second;
            if (curve->translateCurve)
            {
                curve->translateCurve->evaluate(t, transDst, EvaluateType::LINEAR);
                trans = &transDst[0];
            }
            if (curve->rotCurve)
            {
                curve->rotCurve->evaluate(t, rotDst, EvaluateType::QUAT_SLERP);
                rot = &rotDst[0];
            }
            if (curve->scaleCurve)
            {
                curve->scaleCurve->evaluate(t, scaleDst, EvaluateType::LINEAR);
                scale = &scaleDst[0];
            }
            bone->setAnimationValue(trans, rot, scale, _weight);
        }
    }
    
}

Animate3D::Animate3D()
: _speed(1)
, _weight(1.f)
, _animation(nullptr)
, _playBack(false)
{
    
}
Animate3D::~Animate3D()
{
    CC_SAFE_RELEASE(_animation);
}

NS_CC_END