up3

server/item/axe.go

@@ -0,0 +1,113 @@
+package item
+
+import (
+	"github.com/df-mc/dragonfly/server/block/cube"
+	"github.com/df-mc/dragonfly/server/world"
+	"github.com/df-mc/dragonfly/server/world/sound"
+	"github.com/go-gl/mathgl/mgl64"
+	"time"
+)
+
+// Axe is a tool generally used for mining wood-like blocks. It may also be used to break some plant-like
+// blocks at a faster pace such as pumpkins.
+type Axe struct {
+	// Tier is the tier of the axe.
+	Tier ToolTier
+}
+
+// UseOnBlock handles the stripping of logs when a player clicks a log with an axe.
+func (a Axe) UseOnBlock(pos cube.Pos, _ cube.Face, _ mgl64.Vec3, tx *world.Tx, _ User, ctx *UseContext) bool {
+	if s, ok := tx.Block(pos).(Strippable); ok {
+		if res, so, ok := s.Strip(); ok {
+			tx.SetBlock(pos, res, nil)
+			tx.PlaySound(pos.Vec3(), sound.ItemUseOn{Block: res})
+			if so != nil {
+				tx.PlaySound(pos.Vec3(), so)
+			}
+
+			ctx.DamageItem(1)
+			return true
+		}
+	}
+	return false
+}
+
+// Strippable represents a block that can be stripped by right-clicking it with
+// an axe.
+type Strippable interface {
+	// Strip returns a block that is the result of stripping it. Alternatively,
+	// the bool returned may be false to indicate the block couldn't be
+	// stripped.
+	Strip() (world.Block, world.Sound, bool)
+}
+
+// MaxCount always returns 1.
+func (a Axe) MaxCount() int {
+	return 1
+}
+
+// DurabilityInfo ...
+func (a Axe) DurabilityInfo() DurabilityInfo {
+	return DurabilityInfo{
+		MaxDurability:    a.Tier.Durability,
+		BrokenItem:       simpleItem(Stack{}),
+		AttackDurability: 2,
+		BreakDurability:  1,
+	}
+}
+
+// SmeltInfo ...
+func (a Axe) SmeltInfo() SmeltInfo {
+	switch a.Tier {
+	case ToolTierIron:
+		return newOreSmeltInfo(NewStack(IronNugget{}, 1), 0.1)
+	case ToolTierGold:
+		return newOreSmeltInfo(NewStack(GoldNugget{}, 1), 0.1)
+	case ToolTierCopper:
+		return newOreSmeltInfo(NewStack(CopperNugget{}, 1), 0.1)
+	}
+	return SmeltInfo{}
+}
+
+// FuelInfo ...
+func (a Axe) FuelInfo() FuelInfo {
+	if a.Tier == ToolTierWood {
+		return newFuelInfo(time.Second * 10)
+	}
+	return FuelInfo{}
+}
+
+// AttackDamage ...
+func (a Axe) AttackDamage() float64 {
+	return a.Tier.BaseAttackDamage + 2
+}
+
+// ToolType ...
+func (a Axe) ToolType() ToolType {
+	return TypeAxe
+}
+
+// HarvestLevel ...
+func (a Axe) HarvestLevel() int {
+	return a.Tier.HarvestLevel
+}
+
+// BaseMiningEfficiency ...
+func (a Axe) BaseMiningEfficiency(world.Block) float64 {
+	return a.Tier.BaseMiningEfficiency
+}
+
+// RepairableBy ...
+func (a Axe) RepairableBy(i Stack) bool {
+	return toolTierRepairable(a.Tier)(i)
+}
+
+// EnchantmentValue ...
+func (a Axe) EnchantmentValue() int {
+	return a.Tier.EnchantmentValue
+}
+
+// EncodeItem ...
+func (a Axe) EncodeItem() (name string, meta int16) {
+	return "minecraft:" + a.Tier.Name + "_axe", 0
+}