Debugger: Add current game info.

Core/Debugger/WebSocket/GameSubscriber.cpp

@@ -0,0 +1,51 @@
+// Copyright (c) 2018- PPSSPP Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0 or later versions.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official git repository and contact information can be found at
+// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
+
+#include "Core/Debugger/WebSocket/GameSubscriber.h"
+#include "Core/Debugger/WebSocket/WebSocketUtils.h"
+#include "Core/ELF/ParamSFO.h"
+#include "Core/System.h"
+
+void *WebSocketGameInit(DebuggerEventHandlerMap &map) {
+	map["game.status"] = &WebSocketGameStatus;
+
+	return nullptr;
+}
+
+// Check game status (game.status)
+//
+// No parameters.
+//
+// Response (same event name):
+//  - game: null or an object with properties:
+//     - id: string disc ID (such as ULUS12345.)
+//     - version: string disc version.
+//     - title: string game title.
+//  - paused: boolean, true when gameplay is paused (not the same as stepping.)
+void WebSocketGameStatus(DebuggerRequest &req) {
+	JsonWriter &json = req.Respond();
+	if (PSP_IsInited()) {
+		json.pushDict("game");
+		json.writeString("id", g_paramSFO.GetDiscID());
+		json.writeString("version", g_paramSFO.GetValueString("DISC_VERSION"));
+		json.writeString("title", g_paramSFO.GetValueString("TITLE"));
+		json.pop();
+	} else {
+		json.writeRaw("game", "null");
+	}
+	json.writeBool("paused", GetUIState() == UISTATE_PAUSEMENU);
+}