AniMultipleTouchGestureRecognizer.cpp
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//
// AniMultipleTouchGestureRecognizer.cpp
// SteveMaggieCpp
//
// Created by Katarzyna Kalinowska-Górska on 19.05.2017.
//
//
#include <stdio.h>
#include "AniMultipleTouchGestureRecognizer.h"
/* Detect single-, double- or more finger touch and drag */
/* !! Warning: single touch will only work well with multiple touch if handled here!! */
//constructor
AniMultipleTouchGestureRecognizer::AniMultipleTouchGestureRecognizer() : AniGestureRecognizer({cocos2d::EventListener::Type::TOUCH_ALL_AT_ONCE})
{
_onSingleTouchDetectedCallback = [](AniGestureRecognizer::TouchData touch){};
_onSingleTouchMovedCallback = [](AniGestureRecognizer::TouchData touch){};
_onSingleTouchEndedCallback = [](AniGestureRecognizer::TouchData touch){};
_onMultipleTouchDetectedCallback = [](std::vector<AniGestureRecognizer::TouchData> touches){};
_onMultipleTouchMovedCallback = [](std::vector<AniGestureRecognizer::TouchData> touches){};
_onMultipleTouchEndedCallback = [](std::vector<AniGestureRecognizer::TouchData> touches){};
_singleTouchHelperCallback = [](float){};
_singleTouchHelperCallbackScheduled = false;
_singleTouchInProgress = false;
_multipleTouchInProgress = false;
}
AniMultipleTouchGestureRecognizer::~AniMultipleTouchGestureRecognizer()
{
}
void AniMultipleTouchGestureRecognizer::setOnSingleTouchDetectedCallback(std::function<void(AniGestureRecognizer::TouchData touchData)> callback)
{
_onSingleTouchDetectedCallback = callback;
}
void AniMultipleTouchGestureRecognizer::setOnSingleTouchMovedCallback(std::function<void(AniGestureRecognizer::TouchData touchData)> callback)
{
_onSingleTouchMovedCallback = callback;
}
void AniMultipleTouchGestureRecognizer::setOnSingleTouchEndedCallback(std::function<void(AniGestureRecognizer::TouchData touchData)> callback)
{
_onSingleTouchEndedCallback = callback;
}
void AniMultipleTouchGestureRecognizer::setOnMultipleTouchDetectedCallback(std::function<void(std::vector<AniGestureRecognizer::TouchData>)> callback)
{
_onMultipleTouchDetectedCallback = callback;
}
void AniMultipleTouchGestureRecognizer::setOnMultipleTouchMovedCallback(std::function<void(std::vector<AniGestureRecognizer::TouchData>)> callback)
{
_onMultipleTouchMovedCallback = callback;
}
void AniMultipleTouchGestureRecognizer::setOnMultipleTouchEndedCallback(std::function<void(std::vector<AniGestureRecognizer::TouchData>)> callback)
{
_onMultipleTouchEndedCallback = callback;
}
// internal
bool AniMultipleTouchGestureRecognizer::onTouchesBegan(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event)
{
if(_singleTouchInProgress){
return true;
}
AniGestureRecognizer::onTouchesBegan(touches, event);
if(!_singleTouchHelperCallbackScheduled){
_singleTouchHelperCallback = [&](float){
if(_rememberedTouches.size() == 1){
_singleTouchInProgress = true;
_onSingleTouchDetectedCallback(_rememberedTouches[0]);//todo if ended then no remembered touches are there
}
};
}
if(_rememberedTouches.size() == 1){
_view->scheduleOnce(_singleTouchHelperCallback, 0.2, SingleTouchHelperCallbackKey);
_singleTouchHelperCallbackScheduled = true;
} else if(!_singleTouchInProgress && _rememberedTouches.size() > 1){
if(_singleTouchHelperCallbackScheduled){
_view->unschedule(SingleTouchHelperCallbackKey);
_singleTouchHelperCallbackScheduled = false;
}
// cocos2d::log("touches count: %d\n", _rememberedTouches.size());
if(_rememberedTouches.size() == 2){
_multipleTouchInProgress = true;
_onMultipleTouchDetectedCallback(_rememberedTouches);
} else {
_rememberedTouches.clear();
}
}
return true;
}
void AniMultipleTouchGestureRecognizer::onTouchesMoved(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event)
{
AniGestureRecognizer::onTouchesMoved(touches, event);
if(_multipleTouchInProgress && _rememberedTouches.size() > 1){
_onMultipleTouchMovedCallback(_rememberedTouches);
} else if(_singleTouchInProgress && _rememberedTouches.size() > 0){
auto touch = this->findTouchWithID(touches, _rememberedTouches[0].touchId);
if(touch){
_onSingleTouchMovedCallback(_rememberedTouches[0]);
}
}
}
void AniMultipleTouchGestureRecognizer::onTouchesEnded(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event* event)
{
if(_multipleTouchInProgress){
_onMultipleTouchEndedCallback(_rememberedTouches);
_multipleTouchInProgress = false;
_rememberedTouches.clear();
} else if(_singleTouchInProgress){// && this.rememberedTouches.length > 0){
auto touch = this->findTouchWithID(touches, _rememberedTouches[0].touchId);
if(touch){
_onSingleTouchEndedCallback(_rememberedTouches[0]);
_singleTouchInProgress = false;
_rememberedTouches.clear();
}
} else {
if(_singleTouchHelperCallbackScheduled){
_view->unschedule(SingleTouchHelperCallbackKey);
_singleTouchHelperCallbackScheduled = false;
if(_rememberedTouches.size() > 0){
_onSingleTouchDetectedCallback(_rememberedTouches[0]);
_onSingleTouchEndedCallback(_rememberedTouches[0]);
}
}
AniGestureRecognizer::onTouchesEnded(touches, event);
}
}