axmol/cocos/editor-support/cocostudio/CCArmature.cpp

/****************************************************************************
Copyright (c) 2013-2014 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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****************************************************************************/

#include "cocostudio/CCArmature.h"
#include "cocostudio/CCArmatureDataManager.h"
#include "cocostudio/CCArmatureDefine.h"
#include "cocostudio/CCDataReaderHelper.h"
#include "cocostudio/CCDatas.h"
#include "cocostudio/CCSkin.h"
#include "renderer/CCQuadCommand.h"
#include "CCRenderer.h"
#include "CCGroupCommand.h"

#if ENABLE_PHYSICS_BOX2D_DETECT
#include "Box2D/Box2D.h"
#elif ENABLE_PHYSICS_CHIPMUNK_DETECT
#include "chipmunk.h"
#endif

using namespace cocos2d;


namespace cocostudio {

Armature *Armature::create()
{
    Armature *armature = new Armature();
    if (armature && armature->init())
    {
        armature->autorelease();
        return armature;
    }
    CC_SAFE_DELETE(armature);
    return nullptr;
}


Armature *Armature::create(const std::string& name)
{
    Armature *armature = new Armature();
    if (armature && armature->init(name))
    {
        armature->autorelease();
        return armature;
    }
    CC_SAFE_DELETE(armature);
    return nullptr;
}

Armature *Armature::create(const std::string& name, Bone *parentBone)
{
    Armature *armature = new Armature();
    if (armature && armature->init(name, parentBone))
    {
        armature->autorelease();
        return armature;
    }
    CC_SAFE_DELETE(armature);
    return nullptr;
}

Armature::Armature()
    : _armatureData(nullptr)
    , _batchNode(nullptr)
    , _parentBone(nullptr)
    , _armatureTransformDirty(true)
    , _animation(nullptr)
{
}


Armature::~Armature(void)
{
    _boneDic.clear();
    _topBoneList.clear();

    CC_SAFE_DELETE(_animation);
}


bool Armature::init()
{
    return init("");
}


bool Armature::init(const std::string& name)
{
    bool bRet = false;
    do
    {
        removeAllChildren();

        CC_SAFE_DELETE(_animation);
        _animation = new ArmatureAnimation();
        _animation->init(this);

        _boneDic.clear();
        _topBoneList.clear();

        _blendFunc = BlendFunc::ALPHA_NON_PREMULTIPLIED;

        _name = name;

        ArmatureDataManager *armatureDataManager = ArmatureDataManager::getInstance();

        if(!_name.empty())
        {
            AnimationData *animationData = armatureDataManager->getAnimationData(name);
            CCASSERT(animationData, "AnimationData not exist! ");

            _animation->setAnimationData(animationData);


            ArmatureData *armatureData = armatureDataManager->getArmatureData(name);
            CCASSERT(armatureData, "");

            _armatureData = armatureData;

            for (auto& element : armatureData->boneDataDic)
            {
                Bone *bone = createBone(element.first.c_str());

                //! init bone's  Tween to 1st movement's 1st frame
                do
                {
                    MovementData *movData = animationData->getMovement(animationData->movementNames.at(0).c_str());
                    CC_BREAK_IF(!movData);

                    MovementBoneData *movBoneData = movData->getMovementBoneData(bone->getName().c_str());
                    CC_BREAK_IF(!movBoneData || movBoneData->frameList.size() <= 0);

                    FrameData *frameData = movBoneData->getFrameData(0);
                    CC_BREAK_IF(!frameData);

                    bone->getTweenData()->copy(frameData);
                    bone->changeDisplayWithIndex(frameData->displayIndex, false);
                }
                while (0);
            }

            update(0);
            updateOffsetPoint();
        }
        else
        {
            _name = "new_armature";
            _armatureData = ArmatureData::create();
            _armatureData->name = _name;

            AnimationData *animationData = AnimationData::create();
            animationData->name = _name;

            armatureDataManager->addArmatureData(_name.c_str(), _armatureData);
            armatureDataManager->addAnimationData(_name.c_str(), animationData);

            _animation->setAnimationData(animationData);

        }

        setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR));

        setCascadeOpacityEnabled(true);
        setCascadeColorEnabled(true);

        bRet = true;
    }
    while (0);

    return bRet;
}

bool Armature::init(const std::string& name, Bone *parentBone)
{
    _parentBone = parentBone;
    return init(name);
}


Bone *Armature::createBone(const std::string& boneName)
{
    Bone *existedBone = getBone(boneName);
    if(existedBone != nullptr)
        return existedBone;

    BoneData *boneData = (BoneData *)_armatureData->getBoneData(boneName);
    std::string parentName = boneData->parentName;

    Bone *bone = nullptr;

    if( parentName.length() != 0 )
    {
        createBone(parentName.c_str());
        bone = Bone::create(boneName);
        addBone(bone, parentName.c_str());
    }
    else
    {
        bone = Bone::create(boneName);
        addBone(bone, "");
    }

    bone->setBoneData(boneData);
    bone->getDisplayManager()->changeDisplayWithIndex(-1, false);

    return bone;
}


void Armature::addBone(Bone *bone, const std::string& parentName)
{
    CCASSERT( bone != nullptr, "Argument must be non-nil");
    CCASSERT(_boneDic.at(bone->getName()) == nullptr, "bone already added. It can't be added again");

    if (!parentName.empty())
    {
        Bone *boneParent = _boneDic.at(parentName);
        if (boneParent)
        {
            boneParent->addChildBone(bone);
        }
        else
        {
            _topBoneList.pushBack(bone);
        }
    }
    else
    {
        _topBoneList.pushBack(bone);
    }

    bone->setArmature(this);

    _boneDic.insert(bone->getName(), bone);
    addChild(bone);
}


void Armature::removeBone(Bone *bone, bool recursion)
{
    CCASSERT(bone != nullptr, "bone must be added to the bone dictionary!");

    bone->setArmature(nullptr);
    bone->removeFromParent(recursion);

    if (_topBoneList.contains(bone))
    {
        _topBoneList.eraseObject(bone);
    }
    _boneDic.erase(bone->getName());
    removeChild(bone, true);
}


Bone *Armature::getBone(const std::string& name) const
{
    return _boneDic.at(name);
}


void Armature::changeBoneParent(Bone *bone, const std::string& parentName)
{
    CCASSERT(bone != nullptr, "bone must be added to the bone dictionary!");

    if(bone->getParentBone())
    {
        bone->getParentBone()->getChildren().eraseObject(bone);
        bone->setParentBone(nullptr);
    }

    if (!parentName.empty())
    {
        Bone *boneParent = _boneDic.at(parentName);

        if (boneParent)
        {
            boneParent->addChildBone(bone);
            if (_topBoneList.contains(bone))
            {
                _topBoneList.eraseObject(bone);
            }
        }
        else
        {
            _topBoneList.pushBack(bone);
        }
    }
}

const cocos2d::Map<std::string, Bone*>& Armature::getBoneDic() const
{
    return _boneDic;
}

const kmMat4& Armature::getNodeToParentTransform() const
{
    if (_transformDirty)
        _armatureTransformDirty = true;

    return Node::getNodeToParentTransform();
}

void Armature::updateOffsetPoint()
{
    // Set contentsize and Calculate anchor point.
    Rect rect = getBoundingBox();
    setContentSize(rect.size);
    _offsetPoint = Point(-rect.origin.x,  -rect.origin.y);
    if (rect.size.width != 0 && rect.size.height != 0)
    {
        setAnchorPoint(Point(_offsetPoint.x / rect.size.width, _offsetPoint.y / rect.size.height));
    }
}

void Armature::setAnchorPoint(const Point& point)
{
    if( ! point.equals(_anchorPoint))
    {
        _anchorPoint = point;
        _anchorPointInPoints = Point(_contentSize.width * _anchorPoint.x - _offsetPoint.x, _contentSize.height * _anchorPoint.y - _offsetPoint.y);
        _realAnchorPointInPoints = Point(_contentSize.width * _anchorPoint.x, _contentSize.height * _anchorPoint.y);
        _transformDirty = _inverseDirty = true;
    }
}

const Point& Armature::getAnchorPointInPoints() const
{
    return _realAnchorPointInPoints;
}

void Armature::setAnimation(ArmatureAnimation *animation)
{
    _animation = animation;
}

ArmatureAnimation *Armature::getAnimation() const 
{
    return _animation;
}

bool Armature::getArmatureTransformDirty() const 
{
    return _armatureTransformDirty;
}

void Armature::update(float dt)
{
    _animation->update(dt);

    for(const auto &bone : _topBoneList) {
        bone->update(dt);
    }

    _armatureTransformDirty = false;
}

void Armature::draw()
{
    if (_parentBone == nullptr && _batchNode == nullptr)
    {
        CC_NODE_DRAW_SETUP();
    }


    for (auto& object : _children)
    {
        if (Bone *bone = dynamic_cast<Bone *>(object))
        {
            Node *node = bone->getDisplayRenderNode();

            if (nullptr == node)
                continue;

            switch (bone->getDisplayRenderNodeType())
            {
            case CS_DISPLAY_SPRITE:
            {
                Skin *skin = static_cast<Skin *>(node);
                skin->updateTransform();
                
                bool blendDirty = bone->isBlendDirty();
                
                if (blendDirty)
                {
                    skin->setBlendFunc(bone->getBlendFunc());
                }
                skin->draw();
            }
            break;
            case CS_DISPLAY_ARMATURE:
            {
                node->draw();
            }
            break;
            default:
            {
                node->visit();
                CC_NODE_DRAW_SETUP();
            }
            break;
            }
        }
        else if(Node *node = dynamic_cast<Node *>(object))
        {
            node->visit();
            CC_NODE_DRAW_SETUP();
        }
    }
}

void Armature::onEnter()
{
    Node::onEnter();
    scheduleUpdate();
}

void Armature::onExit()
{
    Node::onExit();
    unscheduleUpdate();
}


void Armature::visit()
{
    // quick return if not visible. children won't be drawn.
    if (!_visible)
    {
        return;
    }
    kmGLPushMatrix();

    transform();
    sortAllChildren();
    draw();

    // reset for next frame
    _orderOfArrival = 0;

    kmGLPopMatrix();
}

Rect Armature::getBoundingBox() const
{
    float minx, miny, maxx, maxy = 0;

    bool first = true;

    Rect boundingBox = Rect(0, 0, 0, 0);

    for (const auto& object : _children)
    {
        if (Bone *bone = dynamic_cast<Bone *>(object))
        {
            Rect r = bone->getDisplayManager()->getBoundingBox();

            if(first)
            {
                minx = r.getMinX();
                miny = r.getMinY();
                maxx = r.getMaxX();
                maxy = r.getMaxY();

                first = false;
            }
            else
            {
                minx = r.getMinX() < boundingBox.getMinX() ? r.getMinX() : boundingBox.getMinX();
                miny = r.getMinY() < boundingBox.getMinY() ? r.getMinY() : boundingBox.getMinY();
                maxx = r.getMaxX() > boundingBox.getMaxX() ? r.getMaxX() : boundingBox.getMaxX();
                maxy = r.getMaxY() > boundingBox.getMaxY() ? r.getMaxY() : boundingBox.getMaxY();
            }

            boundingBox.setRect(minx, miny, maxx - minx, maxy - miny);
        }

    }

    return RectApplyTransform(boundingBox, getNodeToParentTransform());
}

Bone *Armature::getBoneAtPoint(float x, float y) const 
{
    long length = _children.size();
    Bone *bs;

    for(long i = length - 1; i >= 0; i--)
    {
        bs = static_cast<Bone*>( _children.at(i) );
        if(bs->getDisplayManager()->containPoint(x, y))
        {
            return bs;
        }
    }
    return nullptr;
}


void Armature::setParentBone(Bone *parentBone)
{
    _parentBone = parentBone;

    for (auto& element : _boneDic)
    {
        element.second->setArmature(this);
    }
}

Bone *Armature::getParentBone() const
{
    return _parentBone;
}

#if ENABLE_PHYSICS_BOX2D_DETECT || ENABLE_PHYSICS_CHIPMUNK_DETECT

void CCArmature::setColliderFilter(ColliderFilter *filter)
{
    for (auto& element : _boneDic)
    {
        element.second->setColliderFilter(filter);
    }
}
#elif ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX

void CCArmature::drawContour()
{
    for(auto& element : _boneDic)
    {
        Bone *bone = element.second;
        ColliderDetector *detector = bone->getColliderDetector();

        if (!detector)
            continue;

        const cocos2d::Vector<ColliderBody*>& bodyList = detector->getColliderBodyList();

        for (auto& object : bodyList)
        {
            ColliderBody *body = static_cast<ColliderBody*>(object);
            const std::vector<Point> &vertexList = body->getCalculatedVertexList();

            unsigned long length = vertexList.size();
            Point *points = new Point[length];
            for (unsigned long i = 0; i<length; i++)
            {
                Point p = vertexList.at(i);
                points[i].x = p.x;
                points[i].y = p.y;
            }
            DrawPrimitives::drawPoly( points, (unsigned int)length, true );

            delete points;
        }
    }
}

#endif

#if ENABLE_PHYSICS_BOX2D_DETECT
b2Body *Armature::getBody() const
{
    return _body;
}

void Armature::setBody(b2Body *body)
{
    if (_body == body)
    {
        return;
    }

    _body = body;
    _body->SetUserData(this);

    for(auto& object : _children)
    {
        if (Bone *bone = dynamic_cast<Bone *>(object))
        {
            auto displayList = bone->getDisplayManager()->getDecorativeDisplayList();

            for(auto displayObject : displayList)
            {
                ColliderDetector *detector = static_cast<DecorativeDisplay *>(displayObject)->getColliderDetector();
                if (detector != nullptr)
                {
                    detector->setBody(_body);
                }
            }
        }
    }
}

b2Fixture *Armature::getShapeList()
{
    if (_body)
    {
        return _body->GetFixtureList();
    }
    else
    {
        return nullptr;
    }
}

#elif ENABLE_PHYSICS_CHIPMUNK_DETECT
cpBody *Armature::getBody() const
{
    return _body;
}

void Armature::setBody(cpBody *body)
{
    if (_body == body)
    {
        return;
    }

    _body = body;
    _body->data = this;

    for (const auto& object : _children)
    {
        if (Bone *bone = dynamic_cast<Bone *>(object))
        {
            auto displayList = bone->getDisplayManager()->getDecorativeDisplayList();

            for (const auto& displayObject : displayList)
            {
                auto detector = displayObject->getColliderDetector();
                if (detector != nullptr)
                {
                    detector->setBody(body);
                }
            });
        }
    }
}

cpShape *Armature::getShapeList()
{
    if (_body)
    {
        return _body->shapeList_private;
    }
    else
    {
        return nullptr;
    }
}
#endif


}