AniGestureRecognizer.cpp
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//
// AniGestureRecognizer.cpp
// SteveMaggieCpp
//
// Created by Katarzyna Kalinowska-Górska on 19.05.2017.
//
//
#include <stdio.h>
#include "AniGestureRecognizer.h"
AniGestureRecognizer::AniGestureRecognizerDirection AniGestureRecognizer::mapXToDirection(float x)
{
if(x < 0){
return AniGestureRecognizerDirection::LEFT;
} else if(x > 0){
return AniGestureRecognizerDirection::RIGHT;
} else {
return AniGestureRecognizerDirection::NONE;
}
}
AniGestureRecognizer::AniGestureRecognizerDirection AniGestureRecognizer::mapYToDirection(float y)
{
if(y < 0){
return AniGestureRecognizerDirection::DOWN;
} else if(y > 0){
return AniGestureRecognizerDirection::UP;
} else {
return AniGestureRecognizerDirection::NONE;
}
}
AniGestureRecognizer::AniGestureRecognizer(std::vector<cocos2d::EventListener::Type> handledEvents)
{
_handledEvents = handledEvents;
_view = NULL;
_enabled = true;
}
AniGestureRecognizer::~AniGestureRecognizer(){
this->uninstall();
}
// install gesture recognizer in given view
void AniGestureRecognizer::install(cocos2d::Node* view)
{
if(!view){
cocos2d::log("Gesture Recognizer install fail: view must not be null");
return;
}
_view = view;
if(std::find(_handledEvents.begin(), _handledEvents.end(), cocos2d::EventListener::Type::TOUCH_ONE_BY_ONE) != _handledEvents.end()){
auto touchListener = cocos2d::EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = [&](cocos2d::Touch* touch, cocos2d::Event* event) -> bool {
return _enabled && this->onTouchBegan(touch, event);
};
touchListener->onTouchMoved = [&](cocos2d::Touch* touch, cocos2d::Event* event){
if(_enabled){
this->onTouchMoved(touch, event);
}
};
touchListener->onTouchEnded = [&](cocos2d::Touch* touch, cocos2d::Event* event){
if(_enabled){
this->onTouchEnded(touch, event);
}
};
touchListener->setSwallowTouches(false);
_view->getEventDispatcher()->addEventListenerWithSceneGraphPriority(touchListener, _view);
// _view->getEventDispatcher()->addEventListenerWithFixedPriority(touchListener, -1);
// _view->getEventDispatcher()->addEventListenerWithSceneGraphPriority(touchListener, _view);
_eventListener = touchListener;
}
if(std::find(_handledEvents.begin(), _handledEvents.end(), cocos2d::EventListener::Type::TOUCH_ALL_AT_ONCE) != _handledEvents.end()){
auto touchListener = cocos2d::EventListenerTouchAllAtOnce::create();
touchListener->onTouchesBegan = [&](const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event) -> bool{
return _enabled && this->onTouchesBegan(touches, event);
};
touchListener->onTouchesMoved = [&](const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event){
if(_enabled){
this->onTouchesMoved(touches, event);
}
};
touchListener->onTouchesEnded = [&](const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event){
if(_enabled){
this->onTouchesEnded(touches, event);
}
};
_view->getEventDispatcher()->addEventListenerWithSceneGraphPriority(touchListener, _view);
_eventListener = touchListener;
}
}
void AniGestureRecognizer::uninstall()
{
if(_eventListener){
_view->getEventDispatcher()->removeEventListener(_eventListener);
_eventListener = nullptr;
}
}
void AniGestureRecognizer::changeTouchListenerPriorityToFixed(int newPriority)
{
if(_eventListener){
_view->getEventDispatcher()->removeEventListener(_eventListener);
_view->getEventDispatcher()->addEventListenerWithFixedPriority(_eventListener, newPriority);
}
}
void AniGestureRecognizer::changeTouchListenerPriorityToSceneGraphPriority()
{
if(_eventListener){
_view->getEventDispatcher()->removeEventListener(_eventListener);
_view->getEventDispatcher()->addEventListenerWithSceneGraphPriority(_eventListener, _view);
}
}
void AniGestureRecognizer::setSwallowsTouches(bool swallowsTouches)
{
auto eventListenerOneByOne = dynamic_cast<cocos2d::EventListenerTouchOneByOne*>(_eventListener);
if(eventListenerOneByOne){
eventListenerOneByOne->setSwallowTouches(true);
}
}
///////////////////////////////////////////////////////////////////////////
// internal
///////////////////////////////////////////////////////////////////////////
// cc.EventListener.TOUCH_ONE_BY_ONE
bool AniGestureRecognizer::onTouchBegan(cocos2d::Touch* touch, cocos2d::Event* event)
{
return false;
}
void AniGestureRecognizer::onTouchMoved(cocos2d::Touch* touch, cocos2d::Event* event)
{
}
void AniGestureRecognizer::onTouchEnded(cocos2d::Touch* touch, cocos2d::Event* event)
{
}
// cc.EventListener.TOUCH_ALL_AT_ONCE
bool AniGestureRecognizer::onTouchesBegan(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event)
{
this->saveTouches(_rememberedTouches, touches);
return false;
}
void AniGestureRecognizer::onTouchesMoved(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event)
{
this->updateTouches(_rememberedTouches, touches);
}
void AniGestureRecognizer::onTouchesEnded(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event)
{
this->filterTouches(_rememberedTouches, touches);
}
// handle remembered touches
void AniGestureRecognizer::saveTouches(std::vector<TouchData>& rememberedTouches, const std::vector<cocos2d::Touch*>& touches)
{
for(int i = 0; i < touches.size(); ++i){
rememberedTouches.push_back(TouchData(touches[i]->getID(), touches[i]->getLocation(), touches[i]->getPreviousLocation(), touches[i]->getLocation()));
}
}
void AniGestureRecognizer::updateTouches(std::vector<TouchData>& rememberedTouches, const std::vector<cocos2d::Touch*>& touches)
{
for(int i = 0; i < rememberedTouches.size(); ++i){
for(int j = 0; j < touches.size(); ++j){
if(rememberedTouches[i].touchId == touches[j]->getID()){
rememberedTouches[i].currentTouchLocation = touches[j]->getLocation();
rememberedTouches[i].previousTouchLocation = touches[j]->getPreviousLocation();
break;
}
}
}
}
void AniGestureRecognizer::filterTouches(std::vector<TouchData>& rememberedTouches, const std::vector<cocos2d::Touch*>& touches)
{
//todo: map? filter?
for(int i = (int)rememberedTouches.size() - 1; i >= 0; --i){
for(int j = 0; j < touches.size(); ++j){
if(touches[j]->getID() == rememberedTouches[i].touchId){
rememberedTouches.erase(rememberedTouches.begin() + i);
break;
}
}
}
}
cocos2d::Touch* AniGestureRecognizer::findTouchWithID(const std::vector<cocos2d::Touch*>& touches, int touchId)
{
std::vector<cocos2d::Touch*> toReturn;
std::copy_if(touches.begin(), touches.end(), std::back_inserter(toReturn), [&](const cocos2d::Touch* touch) { return touch->getID() == touchId; });
if(toReturn.size() > 0){
return toReturn[0];
} else {
return NULL;
}
}