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

pkg/bot/client.go

@@ -0,0 +1,29 @@
+package bot
+
+import (
+	"context"
+
+	"git.konjactw.dev/patyhank/minego/pkg/auth"
+	"git.konjactw.dev/patyhank/minego/pkg/protocol/packet/game/server"
+)
+
+type Client interface {
+	Connect(ctx context.Context, addr string, options *ConnectOptions) error
+	Close(ctx context.Context) error
+	IsConnected() bool
+	WritePacket(ctx context.Context, packet server.ServerboundPacket) error
+
+	PacketHandler() PacketHandler
+	EventHandler() EventHandler
+	World() World
+	Inventory() InventoryHandler
+	Player() Player
+}
+
+type ClientOptions struct {
+	AuthProvider auth.Provider
+}
+
+type ConnectOptions struct {
+	FakeHost string
+}