up3

server/block/ender_chest.go

@@ -0,0 +1,137 @@
+package block
+
+import (
+	"github.com/df-mc/dragonfly/server/block/cube"
+	"github.com/df-mc/dragonfly/server/item"
+	"github.com/df-mc/dragonfly/server/item/inventory"
+	"github.com/df-mc/dragonfly/server/world"
+	"github.com/df-mc/dragonfly/server/world/sound"
+	"github.com/go-gl/mathgl/mgl64"
+	"sync/atomic"
+)
+
+// enderChestOwner represents an entity that has an ender chest inventory.
+type enderChestOwner interface {
+	ContainerOpener
+	EnderChestInventory() *inventory.Inventory
+}
+
+// EnderChest is a type of chest whose contents are exclusive to each player, and can be accessed from anywhere.
+// The empty value of EnderChest is not valid. It must be created using block.NewEnderChest().
+type EnderChest struct {
+	chest
+	transparent
+	bass
+	sourceWaterDisplacer
+
+	// Facing is the direction that the ender chest is facing.
+	Facing cube.Direction
+
+	viewers *atomic.Int64
+}
+
+// NewEnderChest creates a new initialised ender chest.
+func NewEnderChest() EnderChest {
+	return EnderChest{viewers: &atomic.Int64{}}
+}
+
+// BreakInfo ...
+func (c EnderChest) BreakInfo() BreakInfo {
+	return newBreakInfo(22.5, pickaxeHarvestable, pickaxeEffective, silkTouchDrop(item.NewStack(Obsidian{}, 8), item.NewStack(NewEnderChest(), 1))).withBlastResistance(3000)
+}
+
+// LightEmissionLevel ...
+func (c EnderChest) LightEmissionLevel() uint8 {
+	return 7
+}
+
+// SideClosed ...
+func (EnderChest) SideClosed(cube.Pos, cube.Pos, *world.Tx) bool {
+	return false
+}
+
+// UseOnBlock ...
+func (c EnderChest) UseOnBlock(pos cube.Pos, face cube.Face, _ mgl64.Vec3, tx *world.Tx, user item.User, ctx *item.UseContext) (used bool) {
+	pos, _, used = firstReplaceable(tx, pos, face, c)
+	if !used {
+		return
+	}
+	//noinspection GoAssignmentToReceiver
+	c = NewEnderChest()
+	c.Facing = user.Rotation().Direction().Opposite()
+
+	place(tx, pos, c, user, ctx)
+	return placed(ctx)
+}
+
+// Activate ...
+func (c EnderChest) Activate(pos cube.Pos, _ cube.Face, tx *world.Tx, u item.User, _ *item.UseContext) bool {
+	if opener, ok := u.(enderChestOwner); ok {
+		opener.OpenBlockContainer(pos, tx)
+		return true
+	}
+	return false
+}
+
+// AddViewer ...
+func (c EnderChest) AddViewer(tx *world.Tx, pos cube.Pos) {
+	if c.viewers.Add(1) == 1 {
+		c.open(tx, pos)
+	}
+}
+
+// RemoveViewer ...
+func (c EnderChest) RemoveViewer(tx *world.Tx, pos cube.Pos) {
+	if c.viewers.Load() == 0 {
+		return
+	}
+	if c.viewers.Add(-1) == 0 {
+		c.close(tx, pos)
+	}
+}
+
+// open opens the ender chest, displaying the animation and playing a sound.
+func (c EnderChest) open(tx *world.Tx, pos cube.Pos) {
+	for _, v := range tx.Viewers(pos.Vec3()) {
+		v.ViewBlockAction(pos, OpenAction{})
+	}
+	tx.PlaySound(pos.Vec3Centre(), sound.EnderChestOpen{})
+}
+
+// close closes the ender chest, displaying the animation and playing a sound.
+func (c EnderChest) close(tx *world.Tx, pos cube.Pos) {
+	for _, v := range tx.Viewers(pos.Vec3()) {
+		v.ViewBlockAction(pos, CloseAction{})
+	}
+	tx.PlaySound(pos.Vec3Centre(), sound.EnderChestClose{})
+}
+
+// EncodeNBT ...
+func (c EnderChest) EncodeNBT() map[string]interface{} {
+	return map[string]interface{}{"id": "EnderChest"}
+}
+
+// DecodeNBT ...
+func (c EnderChest) DecodeNBT(map[string]interface{}) interface{} {
+	ec := NewEnderChest()
+	ec.Facing = c.Facing
+	return ec
+}
+
+// EncodeItem ...
+func (EnderChest) EncodeItem() (name string, meta int16) {
+	return "minecraft:ender_chest", 0
+}
+
+// EncodeBlock ...
+func (c EnderChest) EncodeBlock() (name string, properties map[string]interface{}) {
+	return "minecraft:ender_chest", map[string]any{"minecraft:cardinal_direction": c.Facing.String()}
+}
+
+// allEnderChests ...
+func allEnderChests() (chests []world.Block) {
+	for _, direction := range cube.Directions() {
+		chests = append(chests, EnderChest{Facing: direction})
+	}
+	return
+}