<?phpnamespace App\Td;use Symfony\Component\Yaml\Yaml;/** * The game's data (assets/data/*.yaml): towers, enemies, waves, maps, sides, damage table. * Balancing the game = changing these files, not the code. */final class GameData{ public const TILE = 16; public const COLS = 30; public const ROWS = 15; /** @var array<string, array> */ public array $towers; /** @var array<string, array> */ public array $enemies; /** @var array<string, array> */ public array $maps; /** @var array<string, array> */ public array $factions; /** @var array<string, array<string, array>> map => side => its waves, or how to make them from another map's */ public array $waves; public float $earlyBonus; /** @var array{hp: float, start_gold: float} */ public array $hard; /** @var array<string, array<string, float>> */ public array $armor; /** @var array<string, array> side => its hero */ public array $heroes; public function __construct(string $dir) { $read = static fn (string $name): array => Yaml::parseFile(rtrim($dir, '/') . '/' . $name) ?? []; $this->towers = $read('towers.yaml')['towers'] ?? []; $this->enemies = $read('enemies.yaml')['enemies'] ?? []; $this->maps = $read('maps.yaml')['maps'] ?? []; $this->factions = $read('factions.yaml')['factions'] ?? []; $this->heroes = $read('heroes.yaml')['heroes'] ?? []; $waves = $read('waves.yaml'); $this->waves = $waves['waves'] ?? []; $this->earlyBonus = (float)($waves['early_bonus'] ?? 1.0); $this->hard = ['hp' => (float)($waves['hard']['hp'] ?? 1.5), 'start_gold' => (float)($waves['hard']['start_gold'] ?? 1.0)]; $this->armor = $read('damage.yaml')['armor'] ?? []; } /** @return list<string> the maps, in the order of the campaign */ public function mapIds(): array { return array_keys($this->maps); } public function hero(string $faction): ?array { return $this->heroes[$faction] ?? null; } private static ?self $default = null; /** The data of the game in $root (cached: read once). */ public static function load(string $root): self { return self::$default ??= new self(rtrim($root, '/') . '/assets/data'); } public function tower(string $id): array { return $this->towers[$id] ?? throw new \InvalidArgumentException("Unknown tower $id"); } public function enemy(string $id): array { return $this->enemies[$id] ?? throw new \InvalidArgumentException("Unknown enemy $id"); } public function map(string $id): array { return $this->maps[$id] ?? throw new \InvalidArgumentException("Unknown map $id"); } /** @return list<string> the sides, in the order of the side screen */ public function factionIds(): array { return array_keys($this->factions); } public function faction(string $id): array { return $this->factions[$id] ?? throw new \InvalidArgumentException("Unknown side $id"); } /** * The waves of a side on a map: its own list, or another map's with counts and health scaled and groups added * (`like`). A group's `hp` multiplies its enemies' health. * @return list<array> */ public function wavesFor(string $map, string $side): array { $spec = $this->waves[$map][$side] ?? throw new \InvalidArgumentException("No waves of $side on $map"); if (!isset($spec['like'])) { return $spec; } $waves = $this->wavesFor((string)$spec['like'], $side); $count = (float)($spec['count'] ?? 1.0); $hp = (float)($spec['hp'] ?? 1.0); foreach ($waves as &$wave) { foreach ($wave['groups'] as &$group) { $group['count'] = max(1, (int)round((int)$group['count'] * $count)); $group['hp'] = (float)($group['hp'] ?? 1.0) * $hp; } unset($group); } unset($wave); foreach ($spec['add'] ?? [] as $group) { $i = (int)$group['wave'] - 1; if (isset($waves[$i])) { $waves[$i]['groups'][] = array_diff_key($group, ['wave' => 1]) + ['hp' => $hp]; } } return $waves; } /** * The stats of a tower at a level (1..3), or with a specialization: each level changes the one before. * @return array<string, mixed> */ public function towerStats(string $id, int $level, ?string $spec = null): array { $def = $this->tower($id); $stats = ['kind' => 'attack', 'damage' => 0.0, 'rate' => 1.0, 'range' => 60.0, 'damage_type' => 'physical', 'targets' => 'both', 'crit' => 0.0, 'crit_mult' => 2.0, 'splash' => 0.0, 'multishot' => 1, 'spread' => 0.0, 'pulse' => false, 'ambush' => false, 'detect' => false, 'effects' => [], 'speed' => 0.0]; foreach (array_slice($def['levels'], 0, $level) as $changes) { $stats = self::merge($stats, $changes); } if ($spec !== null) { $changes = $def['specs'][$spec] ?? throw new \InvalidArgumentException("Unknown specialization $spec of $id"); $stats = self::merge($stats, array_diff_key($changes, ['name' => 1, 'desc' => 1])); } return $stats; } /** Gold to reach $level (2..3), or the specialization's price. */ public function upgradeCost(string $id, int $level, ?string $spec = null): int { $def = $this->tower($id); if ($spec !== null) { return (int)$def['specs'][$spec]['cost']; } return (int)($def['levels'][$level - 1]['cost'] ?? 0); } /** Damage factor of a damage type on an armor class. */ public function armorFactor(string $armor, string $damageType): float { return (float)($this->armor[$armor][$damageType] ?? 1.0); } /** Every text of the data that the game shows (names, descriptions): they are translation keys. @return list<string> */ public function textKeys(): array { $keys = []; foreach ($this->towers as $tower) { $keys[] = $tower['name']; $keys[] = $tower['desc']; foreach ($tower['specs'] ?? [] as $spec) { $keys[] = $spec['name']; $keys[] = $spec['desc']; } } foreach ([$this->enemies, $this->maps, $this->factions] as $list) { foreach ($list as $item) { $keys[] = $item['name']; } } foreach ($this->factions as $faction) { $keys[] = $faction['motto']; $keys[] = $faction['power']['name']; $keys[] = $faction['power']['desc']; } foreach ($this->heroes as $hero) { $keys[] = $hero['name']; $keys[] = $hero['skill']['name']; $keys[] = $hero['skill']['desc']; } return array_values(array_unique($keys)); } private static function merge(array $stats, array $changes): array { foreach ($changes as $key => $value) { // effects replace effect by effect, the rest replaces the value $stats[$key] = $key === 'effects' ? array_replace($stats['effects'] ?? [], (array)$value) : $value; } return $stats; }}