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<?php namespace App;
class TypeModifierCalculator
{
private $playerAttack;
private $againstPokemon;
private $randomness;
private $multipliers = [
[1,1,1,1,1,1,1,1,1,1,1,1,0.5,0,1,1,0.5,0],
[1,0.5,0.5,1,2,2,1,1,1,1,1,2,0.5,1,0.5,1,2,1],
[1,2,0.5,1,0.5,1,1,1,2,1,1,1,2,1,0.5,1,1,1],
[1,1,2,0.5,0.5,1,1,1,0,2,1,1,1,1,0.5,1,1,1],
[1,0.5,2,1,0.5,1,1,0.5,2,0.5,1,0.5,2,1,0.5,1,0.5,1],
[1,0.5,0.5,1,2,0.5,1,1,2,2,1,1,1,1,2,1,0.5,1],
[2,1,1,1,1,2,1,0.5,1,0.5,0.5,0.5,2,0,1,2,2,0.5],
[1,1,1,1,2,1,1,0.5,0.5,1,1,1,0.5,0.5,1,1,0,2],
[1,2,1,2,0.5,1,1,2,1,0,1,0.5,2,1,1,1,2,1],
[1,1,1,0.5,2,1,2,1,1,1,1,2,0.5,1,1,1,0.5,1],
[1,1,1,1,1,1,2,2,1,1,0.5,1,1,1,1,0,0.5,1],
[1,0.5,1,1,2,1,0.5,0.5,1,0.5,2,1,1,0.5,1,2,0.5,0.5],
[1,2,1,1,1,2,0.5,1,0.5,2,1,2,1,1,1,1,0.5,1],
[0,1,1,1,1,1,1,1,1,1,2,1,1,2,1,0.5,1,1],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,0.5,0],
[1,1,1,1,1,1,0.5,1,1,1,2,1,1,2,1,0.5,1,0.5],
[1,0.5,0.5,0.5,1,2,1,1,1,1,1,1,2,1,1,1,0.5,2],
[1,0.5,1,1,1,1,2,0.5,1,1,1,1,1,1,2,2,0.5,1]
];
public function __construct(Attack $playerAttack, Pokemon $against, $randomness)
{
$this->playerAttack = $playerAttack;
$this->againstPokemon = $against;
$this->randomness = $randomness;
}
public function calculate()
{
$typeModifier = $this->calculateTypeModifier($this->playerAttack);
if ($this->randomness >= 90) {
$typeModifier->defineCritical();
}
if ($this->randomness <= 10) {
$typeModifier->defineMissed();
}
return $typeModifier;
}
public function calculateTypeModifier(Attack $playerAttack)
{
$defense = AttackType::getValue($this->againstPokemon->getType());
$attack = AttackType::getValue($playerAttack->getType());
$multiplier = $this->multipliers[$attack][$defense];
if ($multiplier === 1) {
return new TypeModifier(DamageType::NORMAL);
}
if ($multiplier > 1) {
return new TypeModifier(DamageType::DOUBLE_DAMAGE);
}
if ($multiplier === 0) {
return new TypeModifier(DamageType::NO_DAMAGE);
}
return new TypeModifier(DamageType::HALF_DAMAGE);
}
}