Cannot convert parameter 1 from std::shared_ptr <_Ty> (??)
c++
Solution
C++11 smart pointers don't offer automatic conversions to and from raw pointer types (for safety reasons). Use `get()`:
choice = FirstPhase(myCharacter.get(), myEnemy.get(), myInventory.get(), myBoss.get());
Better still, change your function to accept references instead of pointers (or does it correctly handle a null value passed in?) and just dereference the pointers at call site.
Problem
While finishing up my game prototype i came across this error, i've never seen it before. I was trying to link together two .cpp files, this: ``` #include <iostream> #include "mage.h" #include "Warrior.h" #include "Rogue.h" #include "CharacterType.h" #include <memory> #include <string> #include "Inventory.h" #include "blankEnemy.h" #include "Enemy.h" #include "Boss.h" #include <cstdlib> #include <ctime> #include "DeathMenu.h" #include "GameStart.h" #include "FirstPhase.h" #include <Windows.h> #include "SecondPhase.h" #include "PhaseOnePT2.h" using namespace std; int FirstPhase(blankCharacter* myCharacter, blankEnemy* myEnemy, Inventory* myInventory, blankEnemy* myBoss) { //code } ``` To this: int GameStart() { ``` std::shared_ptr<blankCharacter> myCharacter; std::unique_ptr<blankEnemy> myEnemy; std::unique_ptr<Inventory> myInventory; std::unique_ptr<blankEnemy> myBoss; string name; int choice; cout << "______________________________________________________________________________" << endl; cout << "______________________________________________________________________________" << endl; cout << "Your journey has only just begun" << endl; cout << "______________________________________________________________________________" << endl; cout << "______________________________________________________________________________" << endl; cout << " Please enter player name." << endl << endl; cin >> name; system("cls"); cout << "______________________________________________________________________________" << endl; cout << "______________________________________________________________________________" << endl; cout << "Please select fighting class." << endl << endl; cout <<" 1 - Mage, although not the physically strongest, mages offer a healing role" << endl; cout <<" 2 - Warrior, the most balanced of all the classes, excelling in durability." << endl; cout <<" 3 - Rogue, for players who want to take a more creative approach to battle." << endl; cout << "______________________________________________________________________________" << endl; cout << "______________________________________________________________________________" << endl; cin >> choice; switch(choice) { case 1: //Mage Beep(262,500); myCharacter = std::unique_ptr<blankCharacter>(new Mage(20,40,60,70,100,180,60)); myInventory = std::unique_ptr<Inventory>(new Inventory(3, 3,3)); myEnemy = std::unique_ptr<blankEnemy>(new Enemy(150, 60, 150)); myBoss = std::unique_ptr<blankEnemy>(new Enemy(200, 200, 200)); //choice = FirstPhase(); case 2: //Warrior Beep(262,500); myCharacter = std::unique_ptr<blankCharacter>(new Warrior(40,50,65,100,160,100,60)); myInventory = std::unique_ptr<Inventory>(new Inventory(3, 3, 3)); myEnemy = std::unique_ptr<blankEnemy>(new Enemy(150, 60, 150)); myBoss = std::unique_ptr<blankEnemy>(new Enemy(200, 200, 200)); choice = FirstPhase(myCharacter, myEnemy, myInventory, myBoss); break; case 3: //Rogue Beep(262,500); myCharacter = std::unique_ptr<blankCharacter>(new Rogue(30,55,70,90,160,100,100)); myInventory = std::unique_ptr<Inventory>(new Inventory(3, 3, 3)); myEnemy = std::unique_ptr<blankEnemy>(new Enemy(150,60,150)); myBoss = std::unique_ptr<blankEnemy>(new Enemy(200, 200, 200)); // choice = FirstPhase(myCharacter, myEnemy, myInventory, myBoss); break; default: cout << "Please select a relevant value 1 to 3" << endl << endl; break; } return 0; }; ``` I have referenced Firstphase(); in a header and put it in GameStart(); FirstPhase.h: ``` #include "GameStart.h" #include <string> #include "CharacterType.h" #include "mage.h" #include "Rogue.h" #include "Warrior.h" using namespace std; int FirstPhase(blankCharacter* myCharacter, blankEnemy* myEnemy, Inventory* myInventory, blankEnemy* myBoss); ``` However i keep getting this error: error C2664: 'FirstPhase' : cannot convert parameter 1 from 'std::shared_ptr<_Ty>' to 'blankCharacter *' Around ``` choice = FirstPhase(myCharacter, myEnemy, myInventory, myBoss); ``` There's ,no suitable conversion from shared_ptr<_Ty> to *blankCharacter exists'? I don't know how to solve it.