up3

server/block/grindstone.go

@@ -0,0 +1,98 @@
+package block
+
+import (
+	"github.com/df-mc/dragonfly/server/block/cube"
+	"github.com/df-mc/dragonfly/server/block/model"
+	"github.com/df-mc/dragonfly/server/item"
+	"github.com/df-mc/dragonfly/server/world"
+	"github.com/go-gl/mathgl/mgl64"
+)
+
+// Grindstone is a block that repairs items and tools as well as removing enchantments from them. It also serves as a
+// weaponsmith's job site block.
+type Grindstone struct {
+	transparent
+
+	// Attach represents the attachment type of the Grindstone.
+	Attach GrindstoneAttachment
+	// Facing represents the direction the Grindstone is facing.
+	Facing cube.Direction
+}
+
+// BreakInfo ...
+func (g Grindstone) BreakInfo() BreakInfo {
+	return newBreakInfo(2, pickaxeHarvestable, pickaxeEffective, oneOf(g)).withBlastResistance(30)
+}
+
+// Activate ...
+func (g Grindstone) Activate(pos cube.Pos, _ cube.Face, tx *world.Tx, u item.User, _ *item.UseContext) bool {
+	if opener, ok := u.(ContainerOpener); ok {
+		opener.OpenBlockContainer(pos, tx)
+		return true
+	}
+	return false
+}
+
+// UseOnBlock ...
+func (g Grindstone) UseOnBlock(pos cube.Pos, face cube.Face, _ mgl64.Vec3, tx *world.Tx, user item.User, ctx *item.UseContext) (used bool) {
+	pos, face, used = firstReplaceable(tx, pos, face, g)
+	if !used {
+		return false
+	}
+	g.Facing = user.Rotation().Direction().Opposite()
+	if face == cube.FaceDown {
+		g.Attach = HangingGrindstoneAttachment()
+	} else if face != cube.FaceUp {
+		g.Attach = WallGrindstoneAttachment()
+		g.Facing = face.Direction()
+	}
+	place(tx, pos, g, user, ctx)
+	return placed(ctx)
+}
+
+// NeighbourUpdateTick ...
+func (g Grindstone) NeighbourUpdateTick(pos, _ cube.Pos, tx *world.Tx) {
+	supportFace := g.Facing.Face().Opposite()
+	if g.Attach == HangingGrindstoneAttachment() {
+		supportFace = cube.FaceUp
+	} else if g.Attach == StandingGrindstoneAttachment() {
+		supportFace = cube.FaceDown
+	}
+	if _, ok := tx.Block(pos.Side(supportFace)).Model().(model.Empty); ok {
+		// Grindstone is pickaxeHarvestable, so don't use breakBlock() here.
+		breakBlockNoDrops(g, pos, tx)
+		dropItem(tx, item.NewStack(g, 1), pos.Vec3Centre())
+	}
+}
+
+// Model ...
+func (g Grindstone) Model() world.BlockModel {
+	axis := cube.Y
+	if g.Attach == WallGrindstoneAttachment() {
+		axis = g.Facing.Face().Axis()
+	}
+	return model.Grindstone{Axis: axis}
+}
+
+// EncodeBlock ...
+func (g Grindstone) EncodeBlock() (string, map[string]any) {
+	return "minecraft:grindstone", map[string]any{
+		"attachment": g.Attach.String(),
+		"direction":  int32(horizontalDirection(g.Facing)),
+	}
+}
+
+// EncodeItem ...
+func (g Grindstone) EncodeItem() (name string, meta int16) {
+	return "minecraft:grindstone", 0
+}
+
+// allGrindstones ...
+func allGrindstones() (grindstones []world.Block) {
+	for _, a := range GrindstoneAttachments() {
+		for _, d := range cube.Directions() {
+			grindstones = append(grindstones, Grindstone{Attach: a, Facing: d})
+		}
+	}
+	return
+}