WIP towards handling commands

.gitignore

@@ -1,4 +1,3 @@
-*.pb.go
 *.swp
 # Binaries for programs and plugins
 *.exe

README.md

@@ -34,3 +34,4 @@ wisdom. I like the idea of mapping these mental spaces into a computer.
 
 I haven't moved over any design docs or notes or anything like that. Refer to the tildemush repo for that kind of stuff.
 
+to regenerate the API code: `protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative proto/hermeticum.proto`

client/cmd/main.go

@@ -7,8 +7,10 @@ import (
 	"fmt"
 	"io"
 	"log"
+	"strings"
 	"time"
 
+	"github.com/gdamore/tcell/v2"
 	"github.com/rivo/tview"
 	"github.com/vilmibm/hermeticum/proto"
 	"google.golang.org/grpc"
@@ -51,6 +53,37 @@ type ClientState struct {
 	MaxMessages  int
 	messagesView *tview.TextView
 	messages     []*proto.ClientMessage
+	cmdStream    proto.GameWorld_CommandsClient
+}
+
+func (cs *ClientState) HandleInput(input string) error {
+	var verb string
+	rest := input
+	if strings.HasPrefix(input, "/") {
+		input = input[1:]
+		parts := strings.SplitN(input, " ", 1)
+		verb = parts[0]
+		rest = parts[1]
+	} else {
+		verb = "say"
+	}
+	cmd := &proto.Command{
+		SessionInfo: cs.SessionInfo,
+		Verb:        verb,
+		Rest:        rest,
+	}
+	// TODO I'm punting on handling CommandAcks for now but it will be a nice UX thing later for showing connectivity problems
+	return cs.cmdStream.Send(cmd)
+}
+
+func (cs *ClientState) InitCommandStream() error {
+	ctx := context.Background()
+	stream, err := cs.Client.Commands(ctx)
+	if err != nil {
+		return err
+	}
+	cs.cmdStream = stream
+	return nil
 }
 
 func (cs *ClientState) AddMessage(msg *proto.ClientMessage) {
@@ -107,6 +140,11 @@ func _main() error {
 		messages:    []*proto.ClientMessage{},
 	}
 
+	err = cs.InitCommandStream()
+	if err != nil {
+		return fmt.Errorf("could not create command stream: %w", err)
+	}
+
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
@@ -129,6 +167,15 @@ func _main() error {
 		true,
 		true)
 
+	commandInput := tview.NewInputField().SetLabel("> ")
+	handleInput := func(_ tcell.Key) {
+		input := commandInput.GetText()
+		// TODO do i need to clear the input's text?
+		go cs.HandleInput(input)
+	}
+
+	commandInput.SetDoneFunc(handleInput)
+
 	mainPage := tview.NewList().
 		AddItem("jack in", "connect using an existing account", '1', func() {
 			pages.SwitchToPage("login")
@@ -165,6 +212,7 @@ func _main() error {
 		cs.SessionInfo = si
 
 		pages.SwitchToPage("game")
+		app.SetFocus(commandInput)
 	}
 
 	// TODO login and register pages should refuse blank entries
@@ -222,10 +270,10 @@ func _main() error {
 			msgView,
 			1, 0, 1, 1, 10, 20, false).
 		AddItem(
-			tview.NewTextView().SetText("TODO detail window"),
+			tview.NewTextView().SetText("TODO details"),
 			1, 1, 1, 1, 10, 10, false).
 		AddItem(
-			tview.NewTextView().SetText("TODO input"),
+			commandInput,
 			2, 0, 1, 2, 1, 30, false)
 
 	pages.AddPage("game", gamePage, true, false)

proto/hermeticum.pb.go

@@ -0,0 +1,734 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.19.4
+// source: proto/hermeticum.proto
+
+package proto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type ClientMessage_ClientMessageType int32
+
+const (
+	ClientMessage_WHISPER   ClientMessage_ClientMessageType = 0 // someone or something sent a private message to user
+	ClientMessage_OVERHEARD ClientMessage_ClientMessageType = 1 // someone or something in the same room said something out loud
+	ClientMessage_EMOTE     ClientMessage_ClientMessageType = 2 // someone or something in the same room performed an action
+	ClientMessage_GENERIC   ClientMessage_ClientMessageType = 3 // just a string that should be printed (ie, "you hear noises in a nearby room")
+	ClientMessage_GLOBAL    ClientMessage_ClientMessageType = 4 // the system sent out a PSA
+)
+
+// Enum value maps for ClientMessage_ClientMessageType.
+var (
+	ClientMessage_ClientMessageType_name = map[int32]string{
+		0: "WHISPER",
+		1: "OVERHEARD",
+		2: "EMOTE",
+		3: "GENERIC",
+		4: "GLOBAL",
+	}
+	ClientMessage_ClientMessageType_value = map[string]int32{
+		"WHISPER":   0,
+		"OVERHEARD": 1,
+		"EMOTE":     2,
+		"GENERIC":   3,
+		"GLOBAL":    4,
+	}
+)
+
+func (x ClientMessage_ClientMessageType) Enum() *ClientMessage_ClientMessageType {
+	p := new(ClientMessage_ClientMessageType)
+	*p = x
+	return p
+}
+
+func (x ClientMessage_ClientMessageType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ClientMessage_ClientMessageType) Descriptor() protoreflect.EnumDescriptor {
+	return file_proto_hermeticum_proto_enumTypes[0].Descriptor()
+}
+
+func (ClientMessage_ClientMessageType) Type() protoreflect.EnumType {
+	return &file_proto_hermeticum_proto_enumTypes[0]
+}
+
+func (x ClientMessage_ClientMessageType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ClientMessage_ClientMessageType.Descriptor instead.
+func (ClientMessage_ClientMessageType) EnumDescriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{5, 0}
+}
+
+type AuthInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Username string `protobuf:"bytes,1,opt,name=username,proto3" json:"username,omitempty"`
+	Password string `protobuf:"bytes,2,opt,name=password,proto3" json:"password,omitempty"`
+}
+
+func (x *AuthInfo) Reset() {
+	*x = AuthInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AuthInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AuthInfo) ProtoMessage() {}
+
+func (x *AuthInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AuthInfo.ProtoReflect.Descriptor instead.
+func (*AuthInfo) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *AuthInfo) GetUsername() string {
+	if x != nil {
+		return x.Username
+	}
+	return ""
+}
+
+func (x *AuthInfo) GetPassword() string {
+	if x != nil {
+		return x.Password
+	}
+	return ""
+}
+
+type SessionInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	SessionID string `protobuf:"bytes,1,opt,name=sessionID,proto3" json:"sessionID,omitempty"`
+}
+
+func (x *SessionInfo) Reset() {
+	*x = SessionInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SessionInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SessionInfo) ProtoMessage() {}
+
+func (x *SessionInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SessionInfo.ProtoReflect.Descriptor instead.
+func (*SessionInfo) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SessionInfo) GetSessionID() string {
+	if x != nil {
+		return x.SessionID
+	}
+	return ""
+}
+
+type StateUpdate struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *StateUpdate) Reset() {
+	*x = StateUpdate{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StateUpdate) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StateUpdate) ProtoMessage() {}
+
+func (x *StateUpdate) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StateUpdate.ProtoReflect.Descriptor instead.
+func (*StateUpdate) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{2}
+}
+
+type Command struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	SessionInfo *SessionInfo `protobuf:"bytes,1,opt,name=sessionInfo,proto3" json:"sessionInfo,omitempty"`
+	Verb        string       `protobuf:"bytes,2,opt,name=verb,proto3" json:"verb,omitempty"`
+	Rest        string       `protobuf:"bytes,3,opt,name=rest,proto3" json:"rest,omitempty"`
+}
+
+func (x *Command) Reset() {
+	*x = Command{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Command) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Command) ProtoMessage() {}
+
+func (x *Command) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Command.ProtoReflect.Descriptor instead.
+func (*Command) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Command) GetSessionInfo() *SessionInfo {
+	if x != nil {
+		return x.SessionInfo
+	}
+	return nil
+}
+
+func (x *Command) GetVerb() string {
+	if x != nil {
+		return x.Verb
+	}
+	return ""
+}
+
+func (x *Command) GetRest() string {
+	if x != nil {
+		return x.Rest
+	}
+	return ""
+}
+
+type CommandAck struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Acked    bool   `protobuf:"varint,1,opt,name=acked,proto3" json:"acked,omitempty"`
+	ErrorMsg string `protobuf:"bytes,2,opt,name=errorMsg,proto3" json:"errorMsg,omitempty"`
+}
+
+func (x *CommandAck) Reset() {
+	*x = CommandAck{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CommandAck) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CommandAck) ProtoMessage() {}
+
+func (x *CommandAck) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CommandAck.ProtoReflect.Descriptor instead.
+func (*CommandAck) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *CommandAck) GetAcked() bool {
+	if x != nil {
+		return x.Acked
+	}
+	return false
+}
+
+func (x *CommandAck) GetErrorMsg() string {
+	if x != nil {
+		return x.ErrorMsg
+	}
+	return ""
+}
+
+type ClientMessage struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Type    ClientMessage_ClientMessageType `protobuf:"varint,1,opt,name=type,proto3,enum=proto.ClientMessage_ClientMessageType" json:"type,omitempty"`
+	Speaker *string                         `protobuf:"bytes,2,opt,name=speaker,proto3,oneof" json:"speaker,omitempty"`
+	Text    string                          `protobuf:"bytes,3,opt,name=text,proto3" json:"text,omitempty"`
+}
+
+func (x *ClientMessage) Reset() {
+	*x = ClientMessage{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ClientMessage) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientMessage) ProtoMessage() {}
+
+func (x *ClientMessage) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientMessage.ProtoReflect.Descriptor instead.
+func (*ClientMessage) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *ClientMessage) GetType() ClientMessage_ClientMessageType {
+	if x != nil {
+		return x.Type
+	}
+	return ClientMessage_WHISPER
+}
+
+func (x *ClientMessage) GetSpeaker() string {
+	if x != nil && x.Speaker != nil {
+		return *x.Speaker
+	}
+	return ""
+}
+
+func (x *ClientMessage) GetText() string {
+	if x != nil {
+		return x.Text
+	}
+	return ""
+}
+
+type MapData struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MapData string `protobuf:"bytes,1,opt,name=mapData,proto3" json:"mapData,omitempty"`
+}
+
+func (x *MapData) Reset() {
+	*x = MapData{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MapData) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MapData) ProtoMessage() {}
+
+func (x *MapData) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MapData.ProtoReflect.Descriptor instead.
+func (*MapData) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *MapData) GetMapData() string {
+	if x != nil {
+		return x.MapData
+	}
+	return ""
+}
+
+type Pong struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	When string `protobuf:"bytes,1,opt,name=when,proto3" json:"when,omitempty"` // timestamp of pong creation
+}
+
+func (x *Pong) Reset() {
+	*x = Pong{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_hermeticum_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Pong) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Pong) ProtoMessage() {}
+
+func (x *Pong) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_hermeticum_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Pong.ProtoReflect.Descriptor instead.
+func (*Pong) Descriptor() ([]byte, []int) {
+	return file_proto_hermeticum_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *Pong) GetWhen() string {
+	if x != nil {
+		return x.When
+	}
+	return ""
+}
+
+var File_proto_hermeticum_proto protoreflect.FileDescriptor
+
+var file_proto_hermeticum_proto_rawDesc = []byte{
+	0x0a, 0x16, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x68, 0x65, 0x72, 0x6d, 0x65, 0x74, 0x69, 0x63,
+	0x75, 0x6d, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x05, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22,
+	0x42, 0x0a, 0x08, 0x41, 0x75, 0x74, 0x68, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x1a, 0x0a, 0x08, 0x75,
+	0x73, 0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x75,
+	0x73, 0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1a, 0x0a, 0x08, 0x70, 0x61, 0x73, 0x73, 0x77,
+	0x6f, 0x72, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x70, 0x61, 0x73, 0x73, 0x77,
+	0x6f, 0x72, 0x64, 0x22, 0x2b, 0x0a, 0x0b, 0x53, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e,
+	0x66, 0x6f, 0x12, 0x1c, 0x0a, 0x09, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x44, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x44,
+	0x22, 0x0d, 0x0a, 0x0b, 0x53, 0x74, 0x61, 0x74, 0x65, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x22,
+	0x67, 0x0a, 0x07, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x34, 0x0a, 0x0b, 0x73, 0x65,
+	0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66, 0x6f, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
+	0x12, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x53, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49,
+	0x6e, 0x66, 0x6f, 0x52, 0x0b, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66, 0x6f,
+	0x12, 0x12, 0x0a, 0x04, 0x76, 0x65, 0x72, 0x62, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
+	0x76, 0x65, 0x72, 0x62, 0x12, 0x12, 0x0a, 0x04, 0x72, 0x65, 0x73, 0x74, 0x18, 0x03, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x04, 0x72, 0x65, 0x73, 0x74, 0x22, 0x3e, 0x0a, 0x0a, 0x43, 0x6f, 0x6d, 0x6d,
+	0x61, 0x6e, 0x64, 0x41, 0x63, 0x6b, 0x12, 0x14, 0x0a, 0x05, 0x61, 0x63, 0x6b, 0x65, 0x64, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x05, 0x61, 0x63, 0x6b, 0x65, 0x64, 0x12, 0x1a, 0x0a, 0x08,
+	0x65, 0x72, 0x72, 0x6f, 0x72, 0x4d, 0x73, 0x67, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08,
+	0x65, 0x72, 0x72, 0x6f, 0x72, 0x4d, 0x73, 0x67, 0x22, 0xdf, 0x01, 0x0a, 0x0d, 0x43, 0x6c, 0x69,
+	0x65, 0x6e, 0x74, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x3a, 0x0a, 0x04, 0x74, 0x79,
+	0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x26, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x2e, 0x43,
+	0x6c, 0x69, 0x65, 0x6e, 0x74, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x54, 0x79, 0x70, 0x65,
+	0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x1d, 0x0a, 0x07, 0x73, 0x70, 0x65, 0x61, 0x6b, 0x65,
+	0x72, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x48, 0x00, 0x52, 0x07, 0x73, 0x70, 0x65, 0x61, 0x6b,
+	0x65, 0x72, 0x88, 0x01, 0x01, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x65, 0x78, 0x74, 0x18, 0x03, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x65, 0x78, 0x74, 0x22, 0x53, 0x0a, 0x11, 0x43, 0x6c, 0x69,
+	0x65, 0x6e, 0x74, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0b,
+	0x0a, 0x07, 0x57, 0x48, 0x49, 0x53, 0x50, 0x45, 0x52, 0x10, 0x00, 0x12, 0x0d, 0x0a, 0x09, 0x4f,
+	0x56, 0x45, 0x52, 0x48, 0x45, 0x41, 0x52, 0x44, 0x10, 0x01, 0x12, 0x09, 0x0a, 0x05, 0x45, 0x4d,
+	0x4f, 0x54, 0x45, 0x10, 0x02, 0x12, 0x0b, 0x0a, 0x07, 0x47, 0x45, 0x4e, 0x45, 0x52, 0x49, 0x43,
+	0x10, 0x03, 0x12, 0x0a, 0x0a, 0x06, 0x47, 0x4c, 0x4f, 0x42, 0x41, 0x4c, 0x10, 0x04, 0x42, 0x0a,
+	0x0a, 0x08, 0x5f, 0x73, 0x70, 0x65, 0x61, 0x6b, 0x65, 0x72, 0x22, 0x23, 0x0a, 0x07, 0x4d, 0x61,
+	0x70, 0x44, 0x61, 0x74, 0x61, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x61, 0x70, 0x44, 0x61, 0x74, 0x61,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x61, 0x70, 0x44, 0x61, 0x74, 0x61, 0x22,
+	0x1a, 0x0a, 0x04, 0x50, 0x6f, 0x6e, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x77, 0x68, 0x65, 0x6e, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x77, 0x68, 0x65, 0x6e, 0x32, 0xdc, 0x02, 0x0a, 0x09,
+	0x47, 0x61, 0x6d, 0x65, 0x57, 0x6f, 0x72, 0x6c, 0x64, 0x12, 0x2f, 0x0a, 0x08, 0x52, 0x65, 0x67,
+	0x69, 0x73, 0x74, 0x65, 0x72, 0x12, 0x0f, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x41, 0x75,
+	0x74, 0x68, 0x49, 0x6e, 0x66, 0x6f, 0x1a, 0x12, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x53,
+	0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x2c, 0x0a, 0x05, 0x4c, 0x6f,
+	0x67, 0x69, 0x6e, 0x12, 0x0f, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x41, 0x75, 0x74, 0x68,
+	0x49, 0x6e, 0x66, 0x6f, 0x1a, 0x12, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x53, 0x65, 0x73,
+	0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66, 0x6f, 0x12, 0x31, 0x0a, 0x08, 0x43, 0x6f, 0x6d, 0x6d,
+	0x61, 0x6e, 0x64, 0x73, 0x12, 0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x43, 0x6f, 0x6d,
+	0x6d, 0x61, 0x6e, 0x64, 0x1a, 0x11, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x43, 0x6f, 0x6d,
+	0x6d, 0x61, 0x6e, 0x64, 0x41, 0x63, 0x6b, 0x28, 0x01, 0x30, 0x01, 0x12, 0x31, 0x0a, 0x05, 0x53,
+	0x74, 0x61, 0x74, 0x65, 0x12, 0x12, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x53, 0x65, 0x73,
+	0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66, 0x6f, 0x1a, 0x12, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x2e, 0x53, 0x74, 0x61, 0x74, 0x65, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x30, 0x01, 0x12, 0x36,
+	0x0a, 0x08, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x73, 0x12, 0x12, 0x2e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x2e, 0x53, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66, 0x6f, 0x1a, 0x14,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x4d, 0x65, 0x73,
+	0x73, 0x61, 0x67, 0x65, 0x30, 0x01, 0x12, 0x29, 0x0a, 0x03, 0x4d, 0x61, 0x70, 0x12, 0x12, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x53, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66,
+	0x6f, 0x1a, 0x0e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x4d, 0x61, 0x70, 0x44, 0x61, 0x74,
+	0x61, 0x12, 0x27, 0x0a, 0x04, 0x50, 0x69, 0x6e, 0x67, 0x12, 0x12, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x2e, 0x53, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x49, 0x6e, 0x66, 0x6f, 0x1a, 0x0b, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x50, 0x6f, 0x6e, 0x67, 0x42, 0x25, 0x5a, 0x23, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x76, 0x69, 0x6c, 0x6d, 0x69, 0x62, 0x6d,
+	0x2f, 0x68, 0x65, 0x72, 0x6d, 0x65, 0x74, 0x69, 0x63, 0x75, 0x6d, 0x2f, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_proto_hermeticum_proto_rawDescOnce sync.Once
+	file_proto_hermeticum_proto_rawDescData = file_proto_hermeticum_proto_rawDesc
+)
+
+func file_proto_hermeticum_proto_rawDescGZIP() []byte {
+	file_proto_hermeticum_proto_rawDescOnce.Do(func() {
+		file_proto_hermeticum_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_hermeticum_proto_rawDescData)
+	})
+	return file_proto_hermeticum_proto_rawDescData
+}
+
+var file_proto_hermeticum_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_proto_hermeticum_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_proto_hermeticum_proto_goTypes = []interface{}{
+	(ClientMessage_ClientMessageType)(0), // 0: proto.ClientMessage.ClientMessageType
+	(*AuthInfo)(nil),                     // 1: proto.AuthInfo
+	(*SessionInfo)(nil),                  // 2: proto.SessionInfo
+	(*StateUpdate)(nil),                  // 3: proto.StateUpdate
+	(*Command)(nil),                      // 4: proto.Command
+	(*CommandAck)(nil),                   // 5: proto.CommandAck
+	(*ClientMessage)(nil),                // 6: proto.ClientMessage
+	(*MapData)(nil),                      // 7: proto.MapData
+	(*Pong)(nil),                         // 8: proto.Pong
+}
+var file_proto_hermeticum_proto_depIdxs = []int32{
+	2, // 0: proto.Command.sessionInfo:type_name -> proto.SessionInfo
+	0, // 1: proto.ClientMessage.type:type_name -> proto.ClientMessage.ClientMessageType
+	1, // 2: proto.GameWorld.Register:input_type -> proto.AuthInfo
+	1, // 3: proto.GameWorld.Login:input_type -> proto.AuthInfo
+	4, // 4: proto.GameWorld.Commands:input_type -> proto.Command
+	2, // 5: proto.GameWorld.State:input_type -> proto.SessionInfo
+	2, // 6: proto.GameWorld.Messages:input_type -> proto.SessionInfo
+	2, // 7: proto.GameWorld.Map:input_type -> proto.SessionInfo
+	2, // 8: proto.GameWorld.Ping:input_type -> proto.SessionInfo
+	2, // 9: proto.GameWorld.Register:output_type -> proto.SessionInfo
+	2, // 10: proto.GameWorld.Login:output_type -> proto.SessionInfo
+	5, // 11: proto.GameWorld.Commands:output_type -> proto.CommandAck
+	3, // 12: proto.GameWorld.State:output_type -> proto.StateUpdate
+	6, // 13: proto.GameWorld.Messages:output_type -> proto.ClientMessage
+	7, // 14: proto.GameWorld.Map:output_type -> proto.MapData
+	8, // 15: proto.GameWorld.Ping:output_type -> proto.Pong
+	9, // [9:16] is the sub-list for method output_type
+	2, // [2:9] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_proto_hermeticum_proto_init() }
+func file_proto_hermeticum_proto_init() {
+	if File_proto_hermeticum_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proto_hermeticum_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AuthInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_hermeticum_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SessionInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_hermeticum_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*StateUpdate); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_hermeticum_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Command); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_hermeticum_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CommandAck); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_hermeticum_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ClientMessage); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_hermeticum_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MapData); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_hermeticum_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Pong); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_proto_hermeticum_proto_msgTypes[5].OneofWrappers = []interface{}{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_proto_hermeticum_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   8,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_proto_hermeticum_proto_goTypes,
+		DependencyIndexes: file_proto_hermeticum_proto_depIdxs,
+		EnumInfos:         file_proto_hermeticum_proto_enumTypes,
+		MessageInfos:      file_proto_hermeticum_proto_msgTypes,
+	}.Build()
+	File_proto_hermeticum_proto = out.File
+	file_proto_hermeticum_proto_rawDesc = nil
+	file_proto_hermeticum_proto_goTypes = nil
+	file_proto_hermeticum_proto_depIdxs = nil
+}

proto/hermeticum.proto

@@ -43,7 +43,7 @@ message StateUpdate {
 }
 
 message Command {
-  string sessionInfo = 1;
+  SessionInfo sessionInfo = 1;
   string verb = 2;
   string rest = 3;
 }

proto/hermeticum_grpc.pb.go

@@ -0,0 +1,408 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.19.4
+// source: proto/hermeticum.proto
+
+package proto
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// GameWorldClient is the client API for GameWorld service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type GameWorldClient interface {
+	Register(ctx context.Context, in *AuthInfo, opts ...grpc.CallOption) (*SessionInfo, error)
+	Login(ctx context.Context, in *AuthInfo, opts ...grpc.CallOption) (*SessionInfo, error)
+	Commands(ctx context.Context, opts ...grpc.CallOption) (GameWorld_CommandsClient, error)
+	State(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (GameWorld_StateClient, error)
+	Messages(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (GameWorld_MessagesClient, error)
+	Map(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (*MapData, error)
+	Ping(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (*Pong, error)
+}
+
+type gameWorldClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewGameWorldClient(cc grpc.ClientConnInterface) GameWorldClient {
+	return &gameWorldClient{cc}
+}
+
+func (c *gameWorldClient) Register(ctx context.Context, in *AuthInfo, opts ...grpc.CallOption) (*SessionInfo, error) {
+	out := new(SessionInfo)
+	err := c.cc.Invoke(ctx, "/proto.GameWorld/Register", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *gameWorldClient) Login(ctx context.Context, in *AuthInfo, opts ...grpc.CallOption) (*SessionInfo, error) {
+	out := new(SessionInfo)
+	err := c.cc.Invoke(ctx, "/proto.GameWorld/Login", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *gameWorldClient) Commands(ctx context.Context, opts ...grpc.CallOption) (GameWorld_CommandsClient, error) {
+	stream, err := c.cc.NewStream(ctx, &GameWorld_ServiceDesc.Streams[0], "/proto.GameWorld/Commands", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &gameWorldCommandsClient{stream}
+	return x, nil
+}
+
+type GameWorld_CommandsClient interface {
+	Send(*Command) error
+	Recv() (*CommandAck, error)
+	grpc.ClientStream
+}
+
+type gameWorldCommandsClient struct {
+	grpc.ClientStream
+}
+
+func (x *gameWorldCommandsClient) Send(m *Command) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *gameWorldCommandsClient) Recv() (*CommandAck, error) {
+	m := new(CommandAck)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *gameWorldClient) State(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (GameWorld_StateClient, error) {
+	stream, err := c.cc.NewStream(ctx, &GameWorld_ServiceDesc.Streams[1], "/proto.GameWorld/State", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &gameWorldStateClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type GameWorld_StateClient interface {
+	Recv() (*StateUpdate, error)
+	grpc.ClientStream
+}
+
+type gameWorldStateClient struct {
+	grpc.ClientStream
+}
+
+func (x *gameWorldStateClient) Recv() (*StateUpdate, error) {
+	m := new(StateUpdate)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *gameWorldClient) Messages(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (GameWorld_MessagesClient, error) {
+	stream, err := c.cc.NewStream(ctx, &GameWorld_ServiceDesc.Streams[2], "/proto.GameWorld/Messages", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &gameWorldMessagesClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type GameWorld_MessagesClient interface {
+	Recv() (*ClientMessage, error)
+	grpc.ClientStream
+}
+
+type gameWorldMessagesClient struct {
+	grpc.ClientStream
+}
+
+func (x *gameWorldMessagesClient) Recv() (*ClientMessage, error) {
+	m := new(ClientMessage)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *gameWorldClient) Map(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (*MapData, error) {
+	out := new(MapData)
+	err := c.cc.Invoke(ctx, "/proto.GameWorld/Map", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *gameWorldClient) Ping(ctx context.Context, in *SessionInfo, opts ...grpc.CallOption) (*Pong, error) {
+	out := new(Pong)
+	err := c.cc.Invoke(ctx, "/proto.GameWorld/Ping", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// GameWorldServer is the server API for GameWorld service.
+// All implementations must embed UnimplementedGameWorldServer
+// for forward compatibility
+type GameWorldServer interface {
+	Register(context.Context, *AuthInfo) (*SessionInfo, error)
+	Login(context.Context, *AuthInfo) (*SessionInfo, error)
+	Commands(GameWorld_CommandsServer) error
+	State(*SessionInfo, GameWorld_StateServer) error
+	Messages(*SessionInfo, GameWorld_MessagesServer) error
+	Map(context.Context, *SessionInfo) (*MapData, error)
+	Ping(context.Context, *SessionInfo) (*Pong, error)
+	mustEmbedUnimplementedGameWorldServer()
+}
+
+// UnimplementedGameWorldServer must be embedded to have forward compatible implementations.
+type UnimplementedGameWorldServer struct {
+}
+
+func (UnimplementedGameWorldServer) Register(context.Context, *AuthInfo) (*SessionInfo, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Register not implemented")
+}
+func (UnimplementedGameWorldServer) Login(context.Context, *AuthInfo) (*SessionInfo, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Login not implemented")
+}
+func (UnimplementedGameWorldServer) Commands(GameWorld_CommandsServer) error {
+	return status.Errorf(codes.Unimplemented, "method Commands not implemented")
+}
+func (UnimplementedGameWorldServer) State(*SessionInfo, GameWorld_StateServer) error {
+	return status.Errorf(codes.Unimplemented, "method State not implemented")
+}
+func (UnimplementedGameWorldServer) Messages(*SessionInfo, GameWorld_MessagesServer) error {
+	return status.Errorf(codes.Unimplemented, "method Messages not implemented")
+}
+func (UnimplementedGameWorldServer) Map(context.Context, *SessionInfo) (*MapData, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Map not implemented")
+}
+func (UnimplementedGameWorldServer) Ping(context.Context, *SessionInfo) (*Pong, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Ping not implemented")
+}
+func (UnimplementedGameWorldServer) mustEmbedUnimplementedGameWorldServer() {}
+
+// UnsafeGameWorldServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to GameWorldServer will
+// result in compilation errors.
+type UnsafeGameWorldServer interface {
+	mustEmbedUnimplementedGameWorldServer()
+}
+
+func RegisterGameWorldServer(s grpc.ServiceRegistrar, srv GameWorldServer) {
+	s.RegisterService(&GameWorld_ServiceDesc, srv)
+}
+
+func _GameWorld_Register_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AuthInfo)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GameWorldServer).Register(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proto.GameWorld/Register",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GameWorldServer).Register(ctx, req.(*AuthInfo))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _GameWorld_Login_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AuthInfo)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GameWorldServer).Login(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proto.GameWorld/Login",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GameWorldServer).Login(ctx, req.(*AuthInfo))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _GameWorld_Commands_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(GameWorldServer).Commands(&gameWorldCommandsServer{stream})
+}
+
+type GameWorld_CommandsServer interface {
+	Send(*CommandAck) error
+	Recv() (*Command, error)
+	grpc.ServerStream
+}
+
+type gameWorldCommandsServer struct {
+	grpc.ServerStream
+}
+
+func (x *gameWorldCommandsServer) Send(m *CommandAck) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *gameWorldCommandsServer) Recv() (*Command, error) {
+	m := new(Command)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _GameWorld_State_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(SessionInfo)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(GameWorldServer).State(m, &gameWorldStateServer{stream})
+}
+
+type GameWorld_StateServer interface {
+	Send(*StateUpdate) error
+	grpc.ServerStream
+}
+
+type gameWorldStateServer struct {
+	grpc.ServerStream
+}
+
+func (x *gameWorldStateServer) Send(m *StateUpdate) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _GameWorld_Messages_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(SessionInfo)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(GameWorldServer).Messages(m, &gameWorldMessagesServer{stream})
+}
+
+type GameWorld_MessagesServer interface {
+	Send(*ClientMessage) error
+	grpc.ServerStream
+}
+
+type gameWorldMessagesServer struct {
+	grpc.ServerStream
+}
+
+func (x *gameWorldMessagesServer) Send(m *ClientMessage) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _GameWorld_Map_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SessionInfo)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GameWorldServer).Map(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proto.GameWorld/Map",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GameWorldServer).Map(ctx, req.(*SessionInfo))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _GameWorld_Ping_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SessionInfo)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(GameWorldServer).Ping(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proto.GameWorld/Ping",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(GameWorldServer).Ping(ctx, req.(*SessionInfo))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// GameWorld_ServiceDesc is the grpc.ServiceDesc for GameWorld service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var GameWorld_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "proto.GameWorld",
+	HandlerType: (*GameWorldServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Register",
+			Handler:    _GameWorld_Register_Handler,
+		},
+		{
+			MethodName: "Login",
+			Handler:    _GameWorld_Login_Handler,
+		},
+		{
+			MethodName: "Map",
+			Handler:    _GameWorld_Map_Handler,
+		},
+		{
+			MethodName: "Ping",
+			Handler:    _GameWorld_Ping_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Commands",
+			Handler:       _GameWorld_Commands_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "State",
+			Handler:       _GameWorld_State_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "Messages",
+			Handler:       _GameWorld_Messages_Handler,
+			ServerStreams: true,
+		},
+	},
+	Metadata: "proto/hermeticum.proto",
+}

server/cmd/main.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"flag"
 	"fmt"
+	"io"
 	"log"
 	"net"
 	"time"
@@ -62,6 +63,27 @@ func newServer() *gameWorldServer {
 	return s
 }
 
+func (s *gameWorldServer) Commands(stream proto.GameWorld_CommandsServer) error {
+	for {
+		cmd, err := stream.Recv()
+		if err == io.EOF {
+			// TODO end session
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+		fmt.Printf("DBG %#v\n", cmd)
+
+		// TODO FOR NOW, just find the session's associated message stream and do an echo (which requires doing a session storage solution first)
+
+		// TODO find the user who ran action via SessionInfo
+		// TODO get area of effect, which should include the sender
+		// TODO dispatch the command to each affected object
+	}
+	return nil
+}
+
 func (s *gameWorldServer) Ping(ctx context.Context, _ *proto.SessionInfo) (*proto.Pong, error) {
 	pong := &proto.Pong{
 		When: "TODO",