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<?php |
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declare(strict_types=1); |
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namespace AardsGerds\Game\Build; |
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use AardsGerds\Game\Build\Attribute\AttributePoints; |
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use AardsGerds\Game\Build\Attribute\Health; |
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use AardsGerds\Game\Build\Talent\TalentPoints; |
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use AardsGerds\Game\Player\Player; |
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use AardsGerds\Game\Player\PlayerAction; |
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final class LevelProgress |
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{ |
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private Experience $experienceNeededForNextLevel; |
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public function __construct( |
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private Level $level, |
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private Experience $currentExperience, |
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) { |
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$this->calculateExperienceNeededForNextLevel(); |
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} |
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/** |
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* @example |
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* level: 1 |
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* current experience: 500 |
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* experience needed for next level: 1000 |
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* increase experience by 600 |
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* |
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* expected: |
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* level: 2 |
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* current experience: 1100 |
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* experience needed for next level: 2000 |
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*/ |
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public function increase(Experience $experience, Player $player, PlayerAction $playerAction): void |
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{ |
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$this->currentExperience->increaseBy($experience); |
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$playerAction->tell("You have gained {$experience} experience!"); |
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while ($this->currentExperience->isGreaterThanOrEqual($this->experienceNeededForNextLevel)) { |
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$this->levelUp($player); |
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$playerAction->tell("You have gained new level!"); |
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} |
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} |
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public function getLevel(): Level |
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{ |
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return $this->level; |
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} |
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public function getCurrentExperience(): Experience |
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{ |
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return $this->currentExperience; |
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} |
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private function levelUp(Player $player): void |
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{ |
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$this->level->increment(); |
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$this->calculateExperienceNeededForNextLevel(); |
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$player->getMaximumHealth()->increaseBy(new Health(20)); |
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$player->getAttributePoints()->increaseBy(new AttributePoints(5)); |
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$player->getTalentPoints()->increaseBy(new TalentPoints(3)); |
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$player->healCompletely(); |
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} |
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private function calculateExperienceNeededForNextLevel(): void |
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{ |
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$this->experienceNeededForNextLevel = new Experience(0); |
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for ($level = 2; $level <= $this->level->get() + 1; $level++) { |
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$this->experienceNeededForNextLevel->increaseBy(self::getRequiredExperience(new Level($level))); |
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} |
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} |
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private static function getRequiredExperience(Level $level): Experience |
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{ |
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return match (true) { |
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$level->isGreaterThan(new Level(10)) => new Experience(2000), |
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$level->isGreaterThan(new Level(20)) => new Experience(3000), |
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default => new Experience(1000), |
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}; |
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} |
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} |
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Assasz /
aards-gerds
