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EMERGENCY_SYSTEMS_RECOVERY/InventorySystem.js

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+class InventorySystem {
+    constructor(scene) {
+        this.scene = scene;
+
+        // Data structure: Array of slots
+        // Each slot: { type: 'wood', count: 5 } or null
+        this.slots = new Array(9).fill(null);
+        this.maxStack = 99;
+
+        // Generate tool icons if missing
+        if (typeof TextureGenerator !== 'undefined') {
+            TextureGenerator.createToolSprites(this.scene);
+        }
+
+        // Initial items
+        this.addItem('axe', 1);      // 🪓 Sekira
+        this.addItem('pickaxe', 1);  // ⛏️ Kramp
+        this.addItem('hoe', 1);
+        this.addItem('watering_can', 1); // 💧 Zalivalka
+        this.addItem('seeds', 5);    // Zmanjšano število semen
+        this.addItem('arrow_silver', 10);  // ➶ Silver arrows for werewolf hunting
+        // Removed default wood/stone so player has to gather them
+
+        this.gold = 0;
+    }
+
+    addItem(type, count) {
+        // Unlock in Collection
+        if (this.scene.collectionSystem) {
+            this.scene.collectionSystem.unlock(type);
+        }
+
+        // 1. Try to stack
+        for (let i = 0; i < this.slots.length; i++) {
+            if (this.slots[i] && this.slots[i].type === type) {
+                const space = this.maxStack - this.slots[i].count;
+                if (space > 0) {
+                    const toAdd = Math.min(space, count);
+                    this.slots[i].count += toAdd;
+                    count -= toAdd;
+                    if (count === 0) break;
+                }
+            }
+        }
+
+        // 2. Empty slots
+        if (count > 0) {
+            for (let i = 0; i < this.slots.length; i++) {
+                if (!this.slots[i]) {
+                    const toAdd = Math.min(this.maxStack, count);
+                    this.slots[i] = { type: type, count: toAdd };
+                    count -= toAdd;
+                    if (count === 0) break;
+                }
+            }
+        }
+
+        this.updateUI();
+
+        return count === 0; // True if everything added
+    }
+
+    removeItem(type, count) {
+        for (let i = 0; i < this.slots.length; i++) {
+            if (this.slots[i] && this.slots[i].type === type) {
+                if (this.slots[i].count >= count) {
+                    this.slots[i].count -= count;
+                    if (this.slots[i].count === 0) this.slots[i] = null;
+                    this.updateUI();
+                    return true;
+                } else {
+                    count -= this.slots[i].count;
+                    this.slots[i] = null;
+                }
+            }
+        }
+        this.updateUI();
+        this.updateUI();
+        return false; // Not enough items
+    }
+
+    getItemCount(type) {
+        let total = 0;
+        for (const slot of this.slots) {
+            if (slot && slot.type === type) {
+                total += slot.count;
+            }
+        }
+        return total;
+    }
+
+    addGold(amount) {
+        this.gold += amount;
+        this.updateUI();
+    }
+
+    updateUI() {
+        const uiScene = this.scene.scene.get('UIScene');
+        if (!uiScene || !uiScene.goldText) {
+            // UIScene not ready yet, skip update
+            return;
+        }
+        uiScene.updateInventory(this.slots);
+        if (uiScene.updateGold) uiScene.updateGold(this.gold);
+    }
+
+    hasItem(type, count) {
+        let total = 0;
+        for (const slot of this.slots) {
+            if (slot && slot.type === type) {
+                total += slot.count;
+            }
+        }
+        return total >= count;
+    }
+
+    /**
+     * Alias for addItem() - for simple crafting system compatibility
+     * @param {string} itemKey - Item type/key
+     * @param {number} quantity - Amount to add
+     */
+    addItemToInventory(itemKey, quantity) {
+        return this.addItem(itemKey, quantity);
+    }
+}