refactor: dissolve console_helpers into util, platform, and minecraft

targets/platform/ShutdownManager.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#include <array>
+#include <atomic>
+#include <condition_variable>
+#include <cstddef>
+#include <mutex>
+
+#include "platform/C4JThread.h"
+
+class ShutdownManager {
+public:
+    enum EThreadId {
+        eMainThread,
+        eLeaderboardThread,
+        eCommerceThread,
+        ePostProcessThread,
+        eRunUpdateThread,
+        eRenderChunkUpdateThread,
+        eServerThread,
+        eStorageManagerThreads,
+        eConnectionReadThreads,
+        eConnectionWriteThreads,
+        eEventQueueThreads,
+
+        eThreadIdCount
+    };
+
+    static void Initialise();
+    static void StartShutdown();
+    static void MainThreadHandleShutdown();
+
+    static void HasStarted(EThreadId threadId);
+    static void HasStarted(EThreadId threadId,
+                           C4JThread::EventArray* eventArray);
+    static bool ShouldRun(EThreadId threadId);
+    static void HasFinished(EThreadId threadId);
+
+private:
+    struct GroupState {
+        std::size_t started = 0;
+        std::size_t running = 0;
+    };
+
+    struct State {
+        std::mutex mutex;
+        std::condition_variable condition;
+        std::array<GroupState, eThreadIdCount> groups{};
+        std::atomic<bool> shutdownRequested{false};
+    };
+
+    static State& GetState();
+};