Adding client-side and server-side interactions. Also adds purpur/paper support

sdk/runtime_test.go

@@ -23,6 +23,13 @@ func (testPlugin) Chat(context *Context, event ChatEvent) error {
 	return nil
 }
 
+func (testPlugin) ClientTick(context *Context, event ClientTickEvent) error {
+	if event.Connected {
+		context.DisplayClientMessage(event.PlayerName)
+	}
+	return nil
+}
+
 func TestDispatch(t *testing.T) {
 	pluginMu.Lock()
 	registeredPlugin = testPlugin{}
@@ -38,6 +45,40 @@ func TestDispatch(t *testing.T) {
 	}
 }
 
+func TestMetadataDefaultsToServerEnvironment(t *testing.T) {
+	pluginMu.Lock()
+	registeredPlugin = testPlugin{}
+	pluginMu.Unlock()
+
+	var got struct {
+		Data Metadata `json:"data"`
+	}
+	if err := json.Unmarshal(Dispatch(OperationMetadata, nil), &got); err != nil {
+		t.Fatal(err)
+	}
+	if got.Data.Environment != PluginEnvironmentServer {
+		t.Fatalf("environment = %q, want %q", got.Data.Environment, PluginEnvironmentServer)
+	}
+}
+
+func TestDispatchClientTick(t *testing.T) {
+	pluginMu.Lock()
+	registeredPlugin = testPlugin{}
+	pluginMu.Unlock()
+
+	input, _ := json.Marshal(ClientTickEvent{Connected: true, PlayerName: "Client player"})
+	var got response
+	if err := json.Unmarshal(Dispatch(OperationClientTick, input), &got); err != nil {
+		t.Fatal(err)
+	}
+	if got.Status != "ok" || len(got.Actions) != 1 {
+		t.Fatalf("unexpected client tick response: %#v", got)
+	}
+	if got.Actions[0].Type != "minecraft:client.chat.display" {
+		t.Fatalf("action type = %q", got.Actions[0].Type)
+	}
+}
+
 func TestDispatchRecoversPanic(t *testing.T) {
 	pluginMu.Lock()
 	registeredPlugin = testPlugin{}