up3

server/item/fire_charge.go

@@ -0,0 +1,37 @@
+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"
+	"math/rand/v2"
+	"time"
+)
+
+// FireCharge is an item that can be used to place fire when used on a block, or shot from a dispenser to create a small
+// fireball.
+type FireCharge struct{}
+
+// EncodeItem ...
+func (f FireCharge) EncodeItem() (name string, meta int16) {
+	return "minecraft:fire_charge", 0
+}
+
+// UseOnBlock ...
+func (f FireCharge) UseOnBlock(pos cube.Pos, face cube.Face, _ mgl64.Vec3, tx *world.Tx, user User, ctx *UseContext) bool {
+	if l, ok := tx.Block(pos).(ignitable); ok && l.Ignite(pos, tx, user) {
+		ctx.SubtractFromCount(1)
+		tx.PlaySound(pos.Vec3Centre(), sound.FireCharge{})
+		return true
+	} else if s := pos.Side(face); tx.Block(s) == air() {
+		ctx.SubtractFromCount(1)
+		tx.PlaySound(s.Vec3Centre(), sound.FireCharge{})
+
+		flame := fire()
+		tx.SetBlock(s, flame, nil)
+		tx.ScheduleBlockUpdate(s, flame, time.Duration(30+rand.IntN(10))*time.Second/20)
+		return true
+	}
+	return false
+}