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51 lines
1.5 KiB
51 lines
1.5 KiB
#define OLC_PGE_APPLICATION
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#include "pixelGameEngine.h"
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#include <memory>
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using namespace olc;
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struct myStruct{
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std::string name="";
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int level=1;
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};
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std::vector<std::weak_ptr<myStruct>> vals;
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void AddVal(std::weak_ptr<myStruct>newVal) {
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auto findVal=std::find_if(vals.begin(),vals.end(),
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[&newVal](std::weak_ptr<myStruct>&val)
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{
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return val.lock()->name==newVal.lock()->name;
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}
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);
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if (findVal!=vals.end()) {
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std::cout<<"Value "<<newVal.lock()->name<<" already exists."<<std::endl;
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findVal->lock()->level++;
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std::cout<<findVal->lock()->name+" is now level "<<findVal->lock()->level<<std::endl;
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} else {
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std::cout<<"Value "<<newVal.lock()->name<<" does not exist."<<std::endl;
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vals.push_back(newVal);
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std::cout<<newVal.lock()->name+" is now level "<<vals[vals.size()-1].lock()->level<<std::endl;
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}
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}
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int main() {
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std::shared_ptr<myStruct> myPtr1=std::make_shared<myStruct>();
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std::shared_ptr<myStruct> myPtr2=std::make_shared<myStruct>();
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std::shared_ptr<myStruct> myPtr3=std::make_shared<myStruct>();
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std::shared_ptr<myStruct> myPtr4=std::make_shared<myStruct>();
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std::weak_ptr<myStruct> refPtr1=myPtr1;
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std::weak_ptr<myStruct> refPtr2=myPtr2;
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std::weak_ptr<myStruct> refPtr3=myPtr3;
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std::weak_ptr<myStruct> refPtr4=myPtr2;
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refPtr1.lock()->name="Test Upgrade 1";
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refPtr2.lock()->name="Test Upgrade 2";
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refPtr3.lock()->name="Test Upgrade 3";
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std::cout<<(refPtr2.lock()==refPtr4.lock())<<std::endl;
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AddVal(refPtr1);
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AddVal(refPtr2);
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AddVal(refPtr3);
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AddVal(refPtr4);
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} |