up3

server/item/enchantment/feather_falling.go

@@ -0,0 +1,49 @@
+package enchantment
+
+import (
+	"github.com/df-mc/dragonfly/server/item"
+	"github.com/df-mc/dragonfly/server/world"
+)
+
+// FeatherFalling is an enchantment to boots that reduces fall damage. It does
+// not affect falling speed.
+var FeatherFalling featherFalling
+
+type featherFalling struct{}
+
+// Name ...
+func (featherFalling) Name() string {
+	return "Feather Falling"
+}
+
+// MaxLevel ...
+func (featherFalling) MaxLevel() int {
+	return 4
+}
+
+// Cost ...
+func (featherFalling) Cost(level int) (int, int) {
+	minCost := 5 + (level-1)*6
+	return minCost, minCost + 6
+}
+
+// Rarity ...
+func (featherFalling) Rarity() item.EnchantmentRarity {
+	return item.EnchantmentRarityUncommon
+}
+
+// Modifier returns the base protection modifier for the enchantment.
+func (featherFalling) Modifier() float64 {
+	return 0.12
+}
+
+// CompatibleWithEnchantment ...
+func (featherFalling) CompatibleWithEnchantment(item.EnchantmentType) bool {
+	return true
+}
+
+// CompatibleWithItem ...
+func (featherFalling) CompatibleWithItem(i world.Item) bool {
+	b, ok := i.(item.BootsType)
+	return ok && b.Boots()
+}