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59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package enchantment
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import (
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"github.com/df-mc/dragonfly/server/item"
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"github.com/df-mc/dragonfly/server/world"
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"math/rand/v2"
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)
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// Unbreaking is an enchantment that gives a chance for an item to avoid
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// durability reduction when it is used, effectively increasing the item's
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// durability.
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var Unbreaking unbreaking
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type unbreaking struct{}
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// Name ...
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func (unbreaking) Name() string {
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return "Unbreaking"
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}
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// MaxLevel ...
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func (unbreaking) MaxLevel() int {
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return 3
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}
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// Cost ...
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func (unbreaking) Cost(level int) (int, int) {
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minCost := 5 + 8*(level-1)
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return minCost, minCost + 50
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}
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// Rarity ...
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func (unbreaking) Rarity() item.EnchantmentRarity {
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return item.EnchantmentRarityUncommon
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}
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// CompatibleWithEnchantment ...
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func (unbreaking) CompatibleWithEnchantment(item.EnchantmentType) bool {
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return true
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}
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// CompatibleWithItem ...
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func (unbreaking) CompatibleWithItem(i world.Item) bool {
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_, ok := i.(item.Durable)
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return ok
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}
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// Reduce returns the amount of damage that should be reduced with unbreaking.
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func (unbreaking) Reduce(it world.Item, level, amount int) int {
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after := amount
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_, ok := it.(item.Armour)
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for i := 0; i < amount; i++ {
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if (!ok || rand.Float64() >= 0.6) && rand.IntN(level+1) > 0 {
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after--
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}
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}
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return after
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}
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