Unreal Engine 5 Inventory Slot System | Smart Item Placement Algorithm Tutorial (Ep. 18)
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🎮🔥 Learn how to place items dynamically in a grid-based inventory, just like in classic survival horror games. We’ll cover smart item placement, handling edge cases, fixing dead zones, and ensuring smooth inventory interaction in Unreal Engine 5.
🔹 What You’ll Learn in This Episode:
✅ Modularizing the inventory logic for better organization
✅ Updating item position dynamically based on predicted placement
✅ Calculating item rotation based on grid placement
✅ Moving items in the inventory grid accurately and smoothly
✅ Implementing a smart algorithm to check for available slots before placing items
✅ Fixing dead zone issues and ensuring precise pointer validation
✅ Using a slot manager to track occupied & free spaces
✅ Creating a function to convert grid coordinates into unique slot keys
✅ Handling edge cases when placing items in the inventory
✅ Implementing vertical placement logic and mesh positioning
✅ Connecting the pickup flow to the inventory placement system
This episode is a must-watch for Unreal Engine developers building an advanced inventory system! 💡 If you’re creating a survival horror or RPG-style inventory in UE5, this guide will help you achieve seamless item placement, rotation, and movement.
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🔔Assets available for FREE on Discord🔔
🚀 Discord - / discord
If you want to support me
🌳Ko-Fi https://ko-fi.com/unrealshinobi
🌳Patreon / unrealshinobi
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👉 Master Unreal Series - • How to make your first game in Unreal engi...
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💡 Don't forget to LIKE, COMMENT, and SUBSCRIBE if this helped you! Let me know in the comments what features you want to see next! 🎬🔔if this helped you! Let me know what feature you want to see next! 🎬🔔
Chapters
0:00 – Introduction & Feature Preview
0:35 – Modularizing Inventory Logic for Better Management
1:58 – Updating Item Position Dynamically Based on Predicted Placement
3:30 – Calculating Item Rotation for Accurate Grid Placement
5:30 – Adjusting Item Position If Space Is Available in Inventory
5:55 – Fixing the Mistake
6:15 – Quick Preview of Item Placement System
6:30 – Moving Items in Inventory Grid with Accurate Positioning
7:25 – Live Preview: Mesh Movement Based on Grid Slots
7:32 – Implementing an Algorithm for Smart Item Placement in Available Slots
11:30 – Handling Dead Zone Issues in the Inventory Widget
14:45 – Validating If Pointer Is in a Dead Zone to Avoid Placement Errors
15:12 – Checking If a Slot Is Occupied by Another Item Before Placement
15:40 – Using a Slot Manager to Track Occupied and Free Inventory Spaces
16:30 – Converting Grid Coordinates Into Unique Keys for Item Tracking
19:00 – Handling Edge Cases When Placing Items in Inventory
20:40 – Implementing Core Logic to Successfully Place Items
24:00 – Removing Items From Inventory Widget If Slots Are Not Available
24:45 – Fixing a Patch From the Last Episode
25:00 – Connecting the Placement Algorithm to the Pickup Flow
25:30 – Implementing Vertical Item Placement Logic
27:20 – Adjusting Mesh Position for Vertical Item Placement
28:30 – Live Preview: Horizontal Item Placement in Action
28:57 – Live Preview: Vertical Item Placement in Action
29:50 – Outro & What’s Coming Next in the Series