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[P5] Inventory System - Coding - Drop and Drag Items

on November 01, 2022

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Game System Inventory System

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[P2] Inventory System - Preparation - Scriptable Objects

1. What is Scriptable Object? "A ScriptableObject is a data container that you can use to save large amounts of data, independent of class instances. One of the main use cases for ScriptableObjects is to reduce your Project’s memory usage by avoiding copies of values" - Unity - Manual: Scriptable Objects For example, if you have the "ItemInfo" script with 3 float variables (Attack, HP, MP), then you attach them into 5 objects, it will cost you 3 x 5 = 15 spaces. However, by using ScriptableObject you can create 5 different data as assets which costs 5 spaces that reference from the data container. Another common uses of Scriptable Object are for Save-Load, Player Stats,... 2. Create Scriptable Object for Items The way I do is just a simple way to add item's information: Then, it will create the Item Info "new Item" in the Assets Folder: After that, you can create your own Item Stats as many assets as you have. However, I believe that there's oth...

[P1] Inventory System - Preparation - Assets

Firstly, there are several free asset's sources that you can find on Internet such as itch.io, unityassetstore, kenney.nl,... And in this part, we need backgrounds and frames for making the rarity of items (I put it on the GitHub link below), 3 different items for each type (3 weapons, 3 armors, ...) and icons for each item type. 1. Making Inventory and Equip Slots We create the Canvas. Then creating the Empty Game Object (SlotFree) and 3 Images as the childewn of that game object. We will have more in the future (Locked Image, CountText and Selected Image) Then following these steps below, we can easily create an Inventory Slot They're similar to Equip Slots: 2. Making Tab This one is simpler as we only need 2 components: background and icon. However, in order to make it clickable we should add the Shadow Component into the icon. And Unity Game Engine has already had it: We also need to add Selected Image in order to use ...

[P3] Inventory System - Coding - Create Inventory

1. What is Toggle and Toggle Group Before creating inventory, I introduce about Toggle. We can roughly understand that it is a switch, with 2 states: on and off. And the Toggle Group represents a group of Toggle, only one member of Toggle group can be active at the time. Then, with codes you can "Select the item" or "Switch the tab view", which I will guide in other topics 2. Creating Tabs - Step 1: Create the empty object call "Tabs" and add "Grid Layout Group" and "Toggle Group" into it: - Step 2: As we prepare the Tabs in the [P1] Inventory System, we create as the children of the "Tabs" and add Component "Toggle" in them. Then we drag "Selected" object to "Graphic" inside the "Toggle" and drag the "Tabs" we recently created to the "Groups" inside the "Toggle". Finally, we copy, rename and change the image of these tabs: - Step 3: Adjust the size and spa...

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