Match the single-counter TUs

include/toBeSorted/counters/counter.h

@@ -0,0 +1,43 @@
+#ifndef COUNTER_H
+#define COUNTER_H
+
+#include <common.h>
+
+class Counter {
+public:
+    Counter(u16 id): counterId(id) {}
+    // No vtable, this class appears to be header-only
+    virtual ~Counter() {};
+    /* 8016cc40 */ virtual s32 checkedAdd(s32 num) {
+        s32 uncommitted = getUncommittedValue();
+        s32 max = getMax();
+        s32 result = uncommitted + num;
+        if (result < 0) {
+            setValue(0);
+        } else if (result < max) {
+            setValue(result);
+        } else {
+            setValue(max);
+        }
+
+        if (result < 0) {
+            return result;
+        }
+
+        return result <= max ? 0 : (result - max);
+    }
+    virtual u16 getCommittedValue() {
+        return 0;
+    }
+    virtual u16 getMax() = 0;
+    virtual u16 getUncommittedValue() {
+        return 0;
+    }
+    virtual void setValue(u16 num) {
+        return;
+    }
+
+    u16 counterId;
+};
+
+#endif COUNTER_H