initial commit

app/Game/Entities/Pickup.php

@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Game\Entities;
+
+use App\Game\EntityList;
+use App\Game\GameObject;
+use App\Game\Player;
+use App\Game\Room;
+
+final class Pickup extends GameObject
+{
+    public const TYPES = [
+        'rapid' => 'Rapid Fire',
+        'damage' => 'Damage +1',
+        'multishot' => 'Multishot',
+        'speed' => 'Bullet Speed',
+    ];
+
+    private EntityList $container;
+
+    private Room $room;
+
+    public string $type;
+
+    public float $life;
+
+    private float $time = 0.0;
+
+    public float $collectRadius;
+
+    public float $size;
+
+    /** @var array<float> */
+    public array $color;
+
+    public function __construct(
+        float $x,
+        float $y,
+        string $type,
+        EntityList $container,
+        Room $room,
+        float $life = 10.0,
+        float $collectRadius = 46.0,
+    ) {
+        parent::__construct($x, $y);
+        $this->container = $container;
+        $this->room = $room;
+        $this->type = $type;
+        $this->life = $life;
+        $this->collectRadius = $collectRadius;
+        $this->time = 0.0;
+        $this->size = 16.0;
+        $this->width = $this->size;
+        $this->height = $this->size;
+        $this->color = self::colorFor($type);
+    }
+
+    public function kind(): string
+    {
+        return 'pickup';
+    }
+
+    public static function colorFor(string $type): array
+    {
+        return match ($type) {
+            'rapid' => [1.0, 0.8, 0.2, 1.0],
+            'damage' => [1.0, 0.3, 0.3, 1.0],
+            'multishot' => [0.2, 0.8, 1.0, 1.0],
+            'speed' => [0.6, 0.9, 1.0, 1.0],
+            default => [1.0, 1.0, 1.0, 1.0],
+        };
+    }
+
+    public function collectableBy(Player $player): bool
+    {
+        if ($player instanceof Player && ! $player->dead) {
+            return $player->maxUpgradeLevel > ($player->upgrades[$this->type] ?? 0);
+        }
+
+        return false;
+    }
+
+    public function update(float $dt): void
+    {
+        $this->time += $dt;
+        if ($this->time >= $this->life) {
+            $this->container->remove($this);
+        }
+    }
+
+    public function remaining(): float
+    {
+        return max(0.0, $this->life - $this->time);
+    }
+
+    public function toSnapshot(): array
+    {
+        return [
+            'eid' => $this->eid,
+            'd' => $this->kind(),
+            'x' => round($this->pos->x, 1),
+            'y' => round($this->pos->y, 1),
+            't' => $this->type,
+            'life' => round($this->remaining(), 2),
+        ];
+    }
+}