feat: add poc

src/components/Skills.js

@@ -0,0 +1,69 @@
+import { Component } from '../core/Component.js';
+
+export class Skills extends Component {
+  constructor() {
+    super('Skills');
+    this.activeSkills = []; // Array of skill IDs
+    this.passiveSkills = []; // Array of passive skill IDs
+    this.skillCooldowns = new Map(); // skillId -> remaining cooldown time
+  }
+
+  /**
+     * Add a skill
+     */
+  addSkill(skillId, isPassive = false) {
+    if (isPassive) {
+      if (!this.passiveSkills.includes(skillId)) {
+        this.passiveSkills.push(skillId);
+      }
+    } else {
+      if (!this.activeSkills.includes(skillId)) {
+        this.activeSkills.push(skillId);
+      }
+    }
+  }
+
+  /**
+     * Check if entity has a skill
+     */
+  hasSkill(skillId) {
+    return this.activeSkills.includes(skillId) || 
+               this.passiveSkills.includes(skillId);
+  }
+
+  /**
+     * Set skill cooldown
+     */
+  setCooldown(skillId, duration) {
+    this.skillCooldowns.set(skillId, duration);
+  }
+
+  /**
+     * Update cooldowns
+     */
+  updateCooldowns(deltaTime) {
+    for (const [skillId, cooldown] of this.skillCooldowns.entries()) {
+      const newCooldown = cooldown - deltaTime;
+      if (newCooldown <= 0) {
+        this.skillCooldowns.delete(skillId);
+      } else {
+        this.skillCooldowns.set(skillId, newCooldown);
+      }
+    }
+  }
+
+  /**
+     * Check if skill is on cooldown
+     */
+  isOnCooldown(skillId) {
+    return this.skillCooldowns.has(skillId);
+  }
+
+  /**
+     * Get remaining cooldown
+     */
+  getCooldown(skillId) {
+    return this.skillCooldowns.get(skillId) || 0;
+  }
+}
+