修改开火延迟一直为0的错误

others/include/additions.h

@@ -42,21 +42,28 @@ private:
     type data[length];
     int head;
     int tail;
+    int count;
 public:
-    RoundQueue<type, length>() : head(0), tail(0) {};
+    RoundQueue<type, length>() : head(0), tail(0), count(0) {};
 
-    constexpr int size() const {
+    constexpr int capacity() const {
         return length;
     };
 
+    int size() const {
+        return count;
+    };
+
     bool empty() const {
-        return head == tail;
+        return count == 0;
     };
 
     void push(const type &obj) {
         data[head] = obj;
         head = (head + 1) % length;
-        if (head == tail) {
+        if (count < length) {
+            count++;
+        } else {
             tail = (tail + 1) % length;
         }
     };
@@ -65,11 +72,15 @@ public:
         if (empty()) return false;
         obj = data[tail];
         tail = (tail + 1) % length;
+        count--;
         return true;
     };
 
     type &operator[](int idx) {
-        while (tail + idx < 0) idx += length;
+        if (count == 0) return data[0];
+        if (idx < 0) idx += count;
+        if (idx < 0) idx = 0;
+        if (idx >= count) idx = count - 1;
         return data[(tail + idx) % length];
     };
 };