add player package with key client-side player functionality, update protocol codecs, and refactor metadata definitions and slot usage

pkg/game/world/entity.go

@@ -0,0 +1,59 @@
+package world
+
+import (
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/metadata"
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/slot"
+	"github.com/Tnze/go-mc/data/entity"
+	"github.com/go-gl/mathgl/mgl64"
+	"github.com/google/uuid"
+)
+
+type Entity struct {
+	id         int32
+	entityUUID uuid.UUID
+	entityType entity.ID
+	pos        mgl64.Vec3
+	rot        mgl64.Vec2
+	metadata   map[uint8]metadata.Metadata
+	equipment  map[int8]slot.Slot
+}
+
+func (e *Entity) ID() int32 {
+	return e.id
+}
+
+func (e *Entity) UUID() uuid.UUID {
+	return e.entityUUID
+}
+
+func (e *Entity) Type() entity.ID {
+	return e.entityType
+}
+
+func (e *Entity) Position() mgl64.Vec3 {
+	return e.pos
+}
+
+func (e *Entity) Rotation() mgl64.Vec2 {
+	return e.rot
+}
+
+func (e *Entity) Metadata() map[uint8]metadata.Metadata {
+	return e.metadata
+}
+
+func (e *Entity) Equipment() map[int8]slot.Slot {
+	return e.equipment
+}
+
+func (e *Entity) SetPosition(pos mgl64.Vec3) {
+	e.pos = pos
+}
+
+func (e *Entity) SetRotation(rot mgl64.Vec2) {
+	e.rot = rot
+}
+
+func (e *Entity) SetID(id int32) {
+	e.id = id
+}