up3

server/block/copper_lantern.go

@@ -0,0 +1,149 @@
+package block
+
+import (
+	"math/rand/v2"
+
+	"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/df-mc/dragonfly/server/world/sound"
+	"github.com/go-gl/mathgl/mgl64"
+)
+
+// CopperLantern is a light emitting block.
+type CopperLantern struct {
+	transparent
+	sourceWaterDisplacer
+
+	// Hanging determines if a lantern is hanging off a block.
+	Hanging bool
+	// Oxidation is the level of oxidation of the copper lantern.
+	Oxidation OxidationType
+	// Waxed bool is whether the copper lantern has been waxed with honeycomb.
+	Waxed bool
+}
+
+// Model ...
+func (c CopperLantern) Model() world.BlockModel {
+	return model.Lantern{Hanging: c.Hanging}
+}
+
+// NeighbourUpdateTick ...
+func (c CopperLantern) NeighbourUpdateTick(pos, _ cube.Pos, tx *world.Tx) {
+	if c.Hanging {
+		up := pos.Side(cube.FaceUp)
+		if _, ok := tx.Block(up).(CopperChain); !ok && !tx.Block(up).Model().FaceSolid(up, cube.FaceDown, tx) {
+			breakBlock(c, pos, tx)
+		}
+	} else {
+		down := pos.Side(cube.FaceDown)
+		if !tx.Block(down).Model().FaceSolid(down, cube.FaceUp, tx) {
+			breakBlock(c, pos, tx)
+		}
+	}
+}
+
+// LightEmissionLevel ...
+func (CopperLantern) LightEmissionLevel() uint8 {
+	return 15
+}
+
+// UseOnBlock ...
+func (c CopperLantern) UseOnBlock(pos cube.Pos, face cube.Face, _ mgl64.Vec3, tx *world.Tx, user item.User, ctx *item.UseContext) bool {
+	pos, face, used := firstReplaceable(tx, pos, face, c)
+	if !used {
+		return false
+	}
+	if face == cube.FaceDown {
+		upPos := pos.Side(cube.FaceUp)
+		if _, ok := tx.Block(upPos).(CopperChain); !ok && !tx.Block(upPos).Model().FaceSolid(upPos, cube.FaceDown, tx) {
+			face = cube.FaceUp
+		}
+	}
+	if face != cube.FaceDown {
+		downPos := pos.Side(cube.FaceDown)
+		if !tx.Block(downPos).Model().FaceSolid(downPos, cube.FaceUp, tx) {
+			return false
+		}
+	}
+	c.Hanging = face == cube.FaceDown
+
+	place(tx, pos, c, user, ctx)
+	return placed(ctx)
+}
+
+// SideClosed ...
+func (CopperLantern) SideClosed(cube.Pos, cube.Pos, *world.Tx) bool {
+	return false
+}
+
+// BreakInfo ...
+func (c CopperLantern) BreakInfo() BreakInfo {
+	return newBreakInfo(3.5, pickaxeHarvestable, pickaxeEffective, oneOf(c))
+}
+
+// Wax waxes the copper lantern to stop it from oxidising further.
+func (c CopperLantern) Wax(cube.Pos, mgl64.Vec3) (world.Block, bool) {
+	if c.Waxed {
+		return c, false
+	}
+	c.Waxed = true
+	return c, true
+}
+
+// Strip ...
+func (c CopperLantern) Strip() (world.Block, world.Sound, bool) {
+	if c.Waxed {
+		c.Waxed = false
+		return c, sound.WaxRemoved{}, true
+	} else if ot, ok := c.Oxidation.Decrease(); ok {
+		c.Oxidation = ot
+		return c, sound.CopperScraped{}, true
+	}
+	return c, nil, false
+}
+
+// CanOxidate ...
+func (c CopperLantern) CanOxidate() bool {
+	return !c.Waxed
+}
+
+// OxidationLevel ...
+func (c CopperLantern) OxidationLevel() OxidationType {
+	return c.Oxidation
+}
+
+// WithOxidationLevel ...
+func (c CopperLantern) WithOxidationLevel(o OxidationType) Oxidisable {
+	c.Oxidation = o
+	return c
+}
+
+// RandomTick ...
+func (c CopperLantern) RandomTick(pos cube.Pos, tx *world.Tx, r *rand.Rand) {
+	attemptOxidation(pos, tx, r, c)
+}
+
+// EncodeItem ...
+func (c CopperLantern) EncodeItem() (name string, meta int16) {
+	return copperBlockName("copper_lantern", c.Oxidation, c.Waxed), 0
+}
+
+// EncodeBlock ...
+func (c CopperLantern) EncodeBlock() (name string, properties map[string]any) {
+	return copperBlockName("copper_lantern", c.Oxidation, c.Waxed), map[string]any{"hanging": c.Hanging}
+}
+
+// allCopperLanterns ...
+func allCopperLanterns() (lanterns []world.Block) {
+	f := func(waxed bool) {
+		for _, o := range OxidationTypes() {
+			lanterns = append(lanterns, CopperLantern{Hanging: false, Oxidation: o, Waxed: waxed})
+			lanterns = append(lanterns, CopperLantern{Hanging: true, Oxidation: o, Waxed: waxed})
+		}
+	}
+	f(true)
+	f(false)
+	return
+}