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Mod Creation/Getting Started: Difference between revisions
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The <code>manifest.json</code> file is used to define metadata for your mod, or important information for Melvor Idle to know how to load your mod. Put the following code within <code>manifest.json</code>: | The <code>manifest.json</code> file is used to define metadata for your mod, or important information for Melvor Idle to know how to load your mod. Put the following code within <code>manifest.json</code>: | ||
< | <syntaxhighlight lang="js" line>{ | ||
"setup": "setup.mjs" | "setup": "setup.mjs" | ||
}</ | }</syntaxhighlight> | ||
This tells Melvor Idle to look for a <code>setup.mjs</code> file and run its exported <code>setup</code> function. Next we'll create that function within <code>setup.mjs</code>: | This tells Melvor Idle to look for a <code>setup.mjs</code> file and run its exported <code>setup</code> function. Next we'll create that function within <code>setup.mjs</code>: | ||
< | <syntaxhighlight lang="js" line>export function setup() { | ||
console.log('Hello From My Mod!'); | console.log('Hello From My Mod!'); | ||
}</ | }</syntaxhighlight> | ||
The export word is important here as it will let the Mod Manager access the setup function to load the mod. | The export word is important here as it will let the Mod Manager access the setup function to load the mod. | ||
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You'd already have a working "mod" at this point but it's not really modifying anything yet. Let's let the <code>setup</code> function know we want to accept a context object (<code>ctx</code> for short) when <code>setup</code> is executed, and then patch the <code>Skill</code> class to double all XP gains. | You'd already have a working "mod" at this point but it's not really modifying anything yet. Let's let the <code>setup</code> function know we want to accept a context object (<code>ctx</code> for short) when <code>setup</code> is executed, and then patch the <code>Skill</code> class to double all XP gains. | ||
< | <syntaxhighlight lang="js" line>export function setup(ctx) { | ||
ctx.patch(Skill, 'addXP').before(function(amount, masteryAction) { | ctx.patch(Skill, 'addXP').before(function(amount, masteryAction) { | ||
return [amount * 2, masteryAction]; | return [amount * 2, masteryAction]; | ||
}); | }); | ||
}</ | }</syntaxhighlight> | ||
The context object will be the bread-and-butter for your mod performing game modifications. Find more information on the patch method and details on everything else possible with the context object in the Essentials guide. | The context object will be the bread-and-butter for your mod performing game modifications. Find more information on the patch method and details on everything else possible with the context object in the Essentials guide. | ||
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You can define a setting for the player to change using the settings object within the context object, and modify the patch code from above to use this value instead of a value of 2: | You can define a setting for the player to change using the settings object within the context object, and modify the patch code from above to use this value instead of a value of 2: | ||
< | <syntaxhighlight lang="js" line>export function setup(ctx) { | ||
ctx.settings.section('General').add({ | ctx.settings.section('General').add({ | ||
type: 'number', | type: 'number', | ||
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return [amount * xpMultiplier, masteryAction]; | return [amount * xpMultiplier, masteryAction]; | ||
}); | }); | ||
}</ | }</syntaxhighlight> | ||
The player will then be able to open up your mod's settings from the sidebar and change the multiplier to any number they'd like. | The player will then be able to open up your mod's settings from the sidebar and change the multiplier to any number they'd like. | ||
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From here the [[Mod Creation/Essentials]] guide is strongly recommended to learn about the different modding concepts and APIs available to you. | From here the [[Mod Creation/Essentials]] guide is strongly recommended to learn about the different modding concepts and APIs available to you. | ||
{{ModGuideNav}} | {{ModGuideNav}} | ||
{{Menu}} | |||