From 26e1fb2675466cbf6a845cfc8fee5ff99b0fea62 Mon Sep 17 00:00:00 2001
From: Pabloader <pabloader@pabloader.ru>
Date: Wed, 29 Apr 2026 12:24:00 +0000
Subject: [PATCH] Cooldown

---
 src/common/rpg/components/cooldown.ts    | 41 ++++++++++++++++++++++++
 src/common/rpg/systems/cooldownSystem.ts | 10 ++++++
 2 files changed, 51 insertions(+)
 create mode 100644 src/common/rpg/components/cooldown.ts
 create mode 100644 src/common/rpg/systems/cooldownSystem.ts

diff --git a/src/common/rpg/components/cooldown.ts b/src/common/rpg/components/cooldown.ts
new file mode 100644
index 0000000..0e8c6bf
--- /dev/null
+++ b/src/common/rpg/components/cooldown.ts
@@ -0,0 +1,41 @@
+import { component } from "../core/registry";
+import { Component } from "../core/world";
+import { action, variable } from "../utils/decorators";
+
+@component
+export class Cooldown extends Component<{
+    remaining: number;
+    duration: number;
+}> {
+    constructor(duration: number) {
+        super({ remaining: duration, duration });
+    }
+
+    @variable('.')
+    get ready(): boolean {
+        return this.state.remaining <= 0;
+    }
+
+    @action
+    reset(duration?: number): void {
+        if (duration != null) this.state.duration = duration;
+        this.state.remaining = this.state.duration;
+    }
+
+    @action
+    clear(): void {
+        if (this.state.remaining <= 0) return;
+        this.state.remaining = 0;
+        this.emit('ready');
+    }
+
+    @action
+    update(dt: number): void {
+        if (this.state.remaining <= 0) return;
+        this.state.remaining -= dt;
+        if (this.state.remaining <= 0) {
+            this.state.remaining = 0;
+            this.emit('ready');
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/common/rpg/systems/cooldownSystem.ts b/src/common/rpg/systems/cooldownSystem.ts
new file mode 100644
index 0000000..eaccccb
--- /dev/null
+++ b/src/common/rpg/systems/cooldownSystem.ts
@@ -0,0 +1,10 @@
+import { Cooldown } from "../components/cooldown";
+import { System, type World } from "../core/world";
+
+export class CooldownSystem extends System {
+    override update(world: World, dt: number): void {
+        for (const [, , cooldown] of world.query(Cooldown)) {
+            cooldown.update(dt);
+        }
+    }
+}
\ No newline at end of file