init

kubejs/startup_scripts/modify_items.js

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+/**
+ * Item modification.
+ * Used to modify items not added by KJS
+ * except for the Infinity/Ultimate crafting tools.
+ */
+const $ItemBuilder = Java.loadClass("dev.latvian.mods.kubejs.item.custom.BasicItemJS$Builder")
+
+const $Rarity = Java.loadClass("net.minecraft.world.item.Rarity")
+const $UnaryOperator = Java.loadClass("java.util.function.UnaryOperator")
+const $UtilsJS = Java.loadClass("dev.latvian.mods.kubejs.util.UtilsJS")
+const $Style = Java.loadClass("net.minecraft.network.chat.Style")
+
+// All Items that need to have a different rarity
+let itemRarityMap = Utils.newMap()
+itemRarityMap.put("functionalstorage:copper_upgrade", createRarity("bronze", 0xa47b47))
+itemRarityMap.put("functionalstorage:gold_upgrade", createRarity("steel", 0x69696b))
+itemRarityMap.put("functionalstorage:diamond_upgrade", createRarity("aluminum", 0x4e748b))
+itemRarityMap.put("functionalstorage:netherite_upgrade", createRarity("stainless_steel", 0x9695a3))
+
+ItemEvents.modification(event => {
+
+    // Make it so Sugar Cane can be used as fuel in the Furnace
+    event.modify("minecraft:sugar_cane", item => { item.burnTime = 300 })
+
+
+    // Make some items glint like enchanted items
+    const itemsToModify = [
+        "gtceu:dark_soularium_nugget",
+        "gtceu:dark_soularium_dust",
+        "gtceu:tiny_dark_soularium_dust",
+        "gtceu:dark_soularium_block",
+        "gtceu:dark_soularium_ingot",
+        "gtceu:small_dark_soularium_dust",
+        "hostilenetworks:prediction",
+        /empowered/,
+        /activated_netherite/
+    ]
+
+
+    // Change rarities
+    itemRarityMap.forEach((item, rarity) => {
+        event.modify(item, i => i.rarity = rarity)
+    })
+
+    itemsToModify.forEach(itemName => {
+        event.modify(itemName, item => {
+            const builder = new $ItemBuilder(itemName).glow(true)
+            item.setItemBuilder(builder)
+        })
+    })
+
+
+    // Increase the maximum stack size of Ender Pearls up to 64
+    event.modify("minecraft:ender_pearl", item => {
+        item.maxStackSize = 64
+    })
+
+
+    // Make Infinity and Ultimate tools work as unbreakable crafting tools
+    const toolTypes = [
+        "file",
+        "hammer",
+        "screwdriver",
+        "wrench",
+        "wire_cutter"
+    ]
+    toolTypes.forEach(type => {
+        event.modify(`kubejs:infinity_${type}`, item => { item.craftingRemainder = Item.of(`kubejs:infinity_${type}`).item })
+        event.modify(`kubejs:ultimate_${type}`, item => { item.craftingRemainder = Item.of(`kubejs:ultimate_${type}`).item })
+    })
+})
+
+const withColorMethod = $Style.EMPTY.class.declaredMethods.filter((method) => method.name.includes("m_131148_"))[0]
+function createRarity (/** @type {string} */ name, /** @type {number} */ colorCode) {
+    let color = $UtilsJS.makeFunctionProxy("startup", $UnaryOperator, (style) => {
+        return withColorMethod.invoke(style, Color.of(colorCode).createTextColorJS())
+    })
+    return $Rarity["create(java.lang.String,java.util.function.UnaryOperator)"](name, color)
+}