Setting Up Fonts

Setting Up Fonts

This tutorial assumes you have completed setting up your first project and setting up compiled resource stores.

In this tutorial, you will learn how to add custom fonts into your game and use it:

• Converting to binary font and texture files
• Adding the custom font to the font store
• Using specific font for sprite text

Converting to binary font and texture files

For the custom font to be recognized inside osu!framework, you will have to convert it into a binary font with texture files alongside it.

To start off, you'll need to download and install BMFont by AngelCode for converting the font, then run it and load this configuration for selecting required character range:

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Next, you have to set up the tool into using and converting your custom font properly by going into the font settings and selecting your custom font and check/uncheck Bold and Italic, and going into the export settings and selecting Binary as the font descriptor. Without it, your game might hard crash when loading the font.

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And lastly, converting the font can be accomplished by clicking on Save bitmap font as and saving it wherever you want inside your Resources folder, which then will be pointed out to later on:

The font file name should be saved in the following pattern:

FontUsage.Family	FontUsage.Weight	FontUsage.Italics	Font file name
MyAwesomeFont	"Light"	false	MyAwesomeFont-Light
MyAwesomeFont	"Bold"	true	MyAwesomeFont-BoldItalic
MyAwesomeFont	null	false	MyAwesomeFont
MyAwesomeFont	null	true	MyAwesomeFont-Italic

Adding the custom font to the font store

To use the custom font inside your game, you'll need to add it to the FontStore by specifying:

• The resource store of your resources folder that contains the binary fonts.
• The asset name of the binary font, The font path should be specified here relative from the resource store you've specified. (Fonts/MyAwesomeFont for this tutorial)

Here's an example of adding a custom font included within a Resources folder inside the game project: (MyAwesomeProject.Game/Resources/Fonts/MyAwesomeFont)

namespace MyAwesomeProject.Game
{
    public class MyAwesomeGame : osu.Framework.Game
    {
        [BackgroundDependencyLoader]
        private void load()
        {
            // Add the DLL resource store of this game project into the global resources store.
            Resources.AddStore(new DllResourceStore(@"MyAwesomeProject.dll"));

            // Add the custom font to the font store.
            AddFont(Resources, @"Resources/Fonts/MyAwesomeFont");
        }
    }
}

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Now you're almost done, by default, the first font to be added to your game will automatically be used for all SpriteTexts in your game, but you may want to use a specific font.

Using specific font for a sprite text

To use a specific font for a sprite text, all you have to do is construct a new FontUsage with:

Parameter	Description	Value in this tutorial
family	The font name	MyAwesomeFont
weight	The weight of the font in string	null
italics	Whether the font is of italic type	false

Check the font file name table example above for learning more.

There are also other FontUsage properties you can modify for rendering the font differently (e.g. size and fixedWidth)

This opens up for a lot of ways to implement the usage of your custom font, either by adding static properties for constructing the FontUsage or adding a static function with enumeration parameters that you can pick your font and its properties from, all based on your preference.

Here's an example of creating a sprite text using the custom font with size: 40f: