Restructure

src/backend/Scheduler.hpp

@@ -0,0 +1,28 @@
+#pragma once
+#include <common.hpp>
+#include <queue>
+
+namespace n64 {
+struct Mem;
+struct Registers;
+}
+
+struct Event {
+  u64 time = UINT64_MAX;
+  void(*event_cb)(n64::Mem&, n64::Registers&) = nullptr;
+
+  friend bool operator<(const Event& rhs, const Event& lhs) {
+    return lhs.time < rhs.time;
+  }
+};
+
+struct Scheduler {
+  Scheduler();
+  void enqueueRelative(const Event&);
+  void enqueueAbsolute(const Event&);
+  void tick(u64, n64::Mem&, n64::Registers&);
+  std::priority_queue<Event> events;
+  u64 ticks = 0;
+};
+
+extern Scheduler scheduler;