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PokeDIO.sol
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PokeDIO.sol
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// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
contract PokeDIO is ERC721{
struct Pokemon{
string name;
uint level;
string img;
}
Pokemon[] public pokemons;
address public gameOwner;
constructor () ERC721 ("PokeDIO", "PKD"){
gameOwner = msg.sender;
}
modifier onlyOwnerOf(uint _monsterId) {
require(ownerOf(_monsterId) == msg.sender,"Apenas o dono pode batalhar com este Pokemon");
_;
}
function battle(uint _attackingPokemon, uint _defendingPokemon) public onlyOwnerOf(_attackingPokemon){
Pokemon storage attacker = pokemons[_attackingPokemon];
Pokemon storage defender = pokemons[_defendingPokemon];
if (attacker.level >= defender.level) {
attacker.level += 2;
defender.level += 1;
}else{
attacker.level += 1;
defender.level += 2;
}
}
function createNewPokemon(string memory _name, address _to, string memory _img) public {
require(msg.sender == gameOwner, "Apenas o dono do jogo pode criar novos Pokemons");
uint id = pokemons.length;
pokemons.push(Pokemon(_name, 1,_img));
_safeMint(_to, id);
}
}