godot/modules/mono/glue/arguments_vector.h

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/*  arguments_vector.h                                                   */
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#ifndef ARGUMENTS_VECTOR_H
#define ARGUMENTS_VECTOR_H

#include "core/os/memory.h"

template <typename T, int POOL_SIZE = 5>
struct ArgumentsVector {
private:
	T pool[POOL_SIZE];
	T *_ptr;
	int size;

	ArgumentsVector() = delete;
	ArgumentsVector(const ArgumentsVector &) = delete;

public:
	T *ptr() { return _ptr; }
	T &get(int p_idx) { return _ptr[p_idx]; }
	void set(int p_idx, const T &p_value) { _ptr[p_idx] = p_value; }

	explicit ArgumentsVector(int p_size) :
			size(p_size) {
		if (p_size <= POOL_SIZE) {
			_ptr = pool;
		} else {
			_ptr = memnew_arr(T, p_size);
		}
	}

	~ArgumentsVector() {
		if (size > POOL_SIZE) {
			memdelete_arr(_ptr);
		}
	}
};

#endif // ARGUMENTS_VECTOR_H