diff --git a/libopenage/curve/CMakeLists.txt b/libopenage/curve/CMakeLists.txt
index 63a7a12c00..0b800ced83 100644
--- a/libopenage/curve/CMakeLists.txt
+++ b/libopenage/curve/CMakeLists.txt
@@ -1,4 +1,5 @@
 add_sources(libopenage
+	array.cpp
 	base_curve.cpp
 	continuous.cpp
 	discrete.cpp
@@ -12,7 +13,6 @@ add_sources(libopenage
 	queue.cpp
 	queue_filter_iterator.cpp
 	segmented.cpp
-	array.cpp
 )
 
 add_subdirectory("tests")
diff --git a/libopenage/curve/array.cpp b/libopenage/curve/array.cpp
index 23c60bf154..97e07033ce 100644
--- a/libopenage/curve/array.cpp
+++ b/libopenage/curve/array.cpp
@@ -1,10 +1,10 @@
-// Copyright 2017-2024 the openage authors. See copying.md for legal info.
-
-
-#include "array.h"
-
-namespace openage::curve {
-
-// This file is intended to be empty
-
-} // openage::curve
+// Copyright 2024-2024 the openage authors. See copying.md for legal info.
+
+
+#include "array.h"
+
+namespace openage::curve {
+
+// This file is intended to be empty
+
+} // openage::curve
diff --git a/libopenage/curve/array.h b/libopenage/curve/array.h
index 417317a9d2..ec87a9c2be 100644
--- a/libopenage/curve/array.h
+++ b/libopenage/curve/array.h
@@ -1,152 +1,151 @@
-// Copyright 2017-2024 the openage authors. See copying.md for legal info.
-
-#pragma once
-
-#include <array>
-
-#include "curve/base_curve.h"
-#include "curve/keyframe_container.h"
-
-
-// remember to update docs
-namespace openage {
-namespace curve {
-
-template <typename T, size_t Size>
-class Array {
-public:
-	using container_t = std::array<KeyframeContainer<T>, Size>;
-
-
-	Array() = default;
-
-	// prevent accidental copy of queue
-	Array(const Array &) = delete;
-
-
-	T get(const time::time_t &t, const size_t index) const;
-
-
-	std::array<T, Size> get_all(const time::time_t &t) const;
-
-
-	size_t size() const;
-
-	const Keyframe<T> &frame(const time::time_t &t, const size_t index) const;
-
-
-	const Keyframe<T> &next_frame(const time::time_t &t, const size_t index) const;
-
-	void set_insert(const time::time_t &t, const size_t index, T value);
-
-	void set_last(const time::time_t &t, const size_t index, T value);
-
-	void set_replace(const time::time_t &t, const size_t index, T value);
-
-	void sync(const Array<T, Size> &other, const time::time_t &t);
-
-
-	class Iterator {
-	public:
-		Iterator(Array<T, Size> *curve, const time::time_t &time = time::TIME_MAX, size_t offset = 0) :
-			curve(curve), time(time), offset(offset) {};
-
-		const T &operator*() {
-			return curve->frame(this->time, this->offset).value;
-		}
-
-		void operator++() {
-			this->offset++;
-		}
-
-		bool operator!=(const Array<T, Size>::Iterator &rhs) const {
-			return this->offset != rhs.offset;
-		}
-
-
-	private:
-		size_t offset;
-		Array<T, Size> *curve;
-		time::time_t time;
-	};
-
-
-	Iterator begin(const time::time_t &time = time::TIME_MAX);
-
-	Iterator end(const time::time_t &time = time::TIME_MAX);
-
-
-private:
-	container_t container;
-	mutable size_t last_hit_index = 0;
-};
-
-
-template <typename T, size_t Size>
-const Keyframe<T> &Array<T, Size>::frame(const time::time_t &t, const size_t index) const {
-	this->last_hit_index = container[index].last(t, this->last_hit_index);
-	return container[index].get(this->last_hit_index);
-}
-
-template <typename T, size_t Size>
-const Keyframe<T> &Array<T, Size>::next_frame(const time::time_t &t, const size_t index) const {
-	this->last_hit_index = container[index].last(t, this->last_hit_index);
-	return container[index].get(this->last_hit_index + 1);
-}
-
-template <typename T, size_t Size>
-T Array<T, Size>::get(const time::time_t &t, const size_t index) const {
-	return this->frame(t, index).value;
-}
-
-template <typename T, size_t Size>
-std::array<T, Size> Array<T, Size>::get_all(const time::time_t &t) const {
-	return [&]<auto... I>(std::index_sequence<I...>) {
-		return std::array<T, Size>{this->get(t, I)...};
-	}(std::make_index_sequence<Size>{});
-}
-
-template <typename T, size_t Size>
-size_t Array<T, Size>::size() const {
-	return Size;
-}
-
-
-template <typename T, size_t Size>
-void Array<T, Size>::set_insert(const time::time_t &t, const size_t index, T value) {
-	this->last_hit_index = this->container[index].insert_after(Keyframe(t, value), this->last_hit_index);
-}
-
-
-template <typename T, size_t Size>
-void Array<T, Size>::set_last(const time::time_t &t, const size_t index, T value) {
-	this->last_hit_index = this->container[index].insert_after(Keyframe(t, value), this->last_hit_index);
-	this->container[index].erase_after(this->last_hit_index);
-}
-
-
-template <typename T, size_t Size>
-void Array<T, Size>::set_replace(const time::time_t &t, const size_t index, T value) {
-	this->container[index].insert_overwrite(Keyframe(t, value), this->last_hit_index);
-}
-
-template <typename T, size_t Size>
-void Array<T, Size>::sync(const Array<T, Size> &other, const time::time_t &start) {
-	for (int i = 0; i < Size; i++) {
-		this->container[i].sync(other, start);
-	}
-}
-
-template <typename T, size_t Size>
-typename Array<T, Size>::Iterator Array<T, Size>::begin(const time::time_t &time) {
-	return Array<T, Size>::Iterator(this, time);
-}
-
-
-template <typename T, size_t Size>
-typename Array<T, Size>::Iterator Array<T, Size>::end(const time::time_t &time) {
-	return Array<T, Size>::Iterator(this, time, this->container.size());
-}
-
-} // namespace curve
-} // namespace openage
+// Copyright 2024-2024 the openage authors. See copying.md for legal info.
+
+#pragma once
+
+#include <array>
+
+#include "curve/base_curve.h"
+#include "curve/keyframe_container.h"
+
+
+// remember to update docs
+namespace openage {
+namespace curve {
+
+template <typename T, size_t Size>
+class Array {
+public:
+	Array() = default;
+
+	// prevent accidental copy of queue
+	Array(const Array &) = delete;
+
+
+	T get(const time::time_t &t, const size_t index) const;
+
+
+	std::array<T, Size> get_all(const time::time_t &t) const;
+
+
+	consteval size_t size() const;
+
+	std::pair<time::time_t, T> frame(const time::time_t &t, const size_t index) const;
+
+
+	std::pair<time::time_t, T> next_frame(const time::time_t &t, const size_t index) const;
+
+	void set_insert(const time::time_t &t, const size_t index, T value);
+
+	void set_last(const time::time_t &t, const size_t index, T value);
+
+	void set_replace(const time::time_t &t, const size_t index, T value);
+
+	void sync(const Array<T, Size> &other, const time::time_t &t);
+
+
+	class Iterator {
+	public:
+		Iterator(Array<T, Size> *curve, const time::time_t &time = time::TIME_MAX, size_t offset = 0) :
+			curve(curve), time(time), offset(offset) {};
+
+		const T &operator*() {
+			return curve->frame(this->time, this->offset).second;
+		}
+
+		void operator++() {
+			this->offset++;
+		}
+
+		bool operator!=(const Array<T, Size>::Iterator &rhs) const {
+			return this->offset != rhs.offset;
+		}
+
+
+	private:
+		size_t offset;
+		Array<T, Size> *curve;
+		time::time_t time;
+	};
+
+
+	Iterator begin(const time::time_t &time = time::TIME_MAX);
+
+	Iterator end(const time::time_t &time = time::TIME_MAX);
+
+
+private:
+	std::array<KeyframeContainer<T>, Size> container;
+
+	//hint for KeyframeContainer operations
+	mutable size_t last_element = 0;
+};
+
+
+template <typename T, size_t Size>
+std::pair<time::time_t, T> Array<T, Size>::frame(const time::time_t &t, const size_t index) const {
+	this->last_element = container[index].last(t, this->last_element);
+	return container[index].get(this->last_element).make_pair();
+}
+
+template <typename T, size_t Size>
+std::pair<time::time_t, T> Array<T, Size>::next_frame(const time::time_t &t, const size_t index) const {
+	this->last_element = container[index].last(t, this->last_element);
+	return container[index].get(this->last_element + 1);
+}
+
+template <typename T, size_t Size>
+T Array<T, Size>::get(const time::time_t &t, const size_t index) const {
+	return this->frame(t, index).second;
+}
+
+template <typename T, size_t Size>
+std::array<T, Size> Array<T, Size>::get_all(const time::time_t &t) const {
+	return [&]<auto... I>(std::index_sequence<I...>) {
+		return std::array<T, Size>{this->get(t, I)...};
+	}(std::make_index_sequence<Size>{});
+}
+
+template <typename T, size_t Size>
+consteval size_t Array<T, Size>::size() const {
+	return Size;
+}
+
+
+template <typename T, size_t Size>
+void Array<T, Size>::set_insert(const time::time_t &t, const size_t index, T value) {
+	this->last_element = this->container[index].insert_after(Keyframe(t, value), this->last_element);
+}
+
+
+template <typename T, size_t Size>
+void Array<T, Size>::set_last(const time::time_t &t, const size_t index, T value) {
+	this->last_element = this->container[index].insert_after(Keyframe(t, value), this->last_element);
+	this->container[index].erase_after(this->last_element);
+}
+
+
+template <typename T, size_t Size>
+void Array<T, Size>::set_replace(const time::time_t &t, const size_t index, T value) {
+	this->container[index].insert_overwrite(Keyframe(t, value), this->last_element);
+}
+
+template <typename T, size_t Size>
+void Array<T, Size>::sync(const Array<T, Size> &other, const time::time_t &start) {
+	for (int i = 0; i < Size; i++) {
+		this->container[i].sync(other[i], start);
+	}
+}
+
+template <typename T, size_t Size>
+typename Array<T, Size>::Iterator Array<T, Size>::begin(const time::time_t &time) {
+	return Array<T, Size>::Iterator(this, time);
+}
+
+
+template <typename T, size_t Size>
+typename Array<T, Size>::Iterator Array<T, Size>::end(const time::time_t &time) {
+	return Array<T, Size>::Iterator(this, time, this->container.size());
+}
+
+} // namespace curve
+} // namespace openage
diff --git a/libopenage/curve/keyframe.h b/libopenage/curve/keyframe.h
index e868783cbb..a34b0c6262 100644
--- a/libopenage/curve/keyframe.h
+++ b/libopenage/curve/keyframe.h
@@ -54,6 +54,15 @@ class Keyframe {
 		return this->value;
 	}
 
+	/**
+	 * Get the value and timestamp of the keyframe in form of std::pair<time, value>
+	 * @return keyframe pair
+	 */
+	std::pair<time::time_t, T> make_pair() const
+	{
+		return {time(), val()};
+	}
+
 public:
 	/**
 	 * Value of the keyframe.
diff --git a/libopenage/curve/keyframe_container.h b/libopenage/curve/keyframe_container.h
index d9bb9a0bbd..8434942058 100644
--- a/libopenage/curve/keyframe_container.h
+++ b/libopenage/curve/keyframe_container.h
@@ -279,8 +279,6 @@ class KeyframeContainer {
 	 * Replaces all keyframes beginning at t >= start with keyframes from \p other.
 	 *
 	 * @param other Curve that keyframes are copied from.
-	 * @param converter Function that converts the value type of \p other to the
-	 *                  value type of \p this.
 	 * @param start Start time at which keyframes are replaced (default = -INF).
 	 *              Using the default value replaces ALL keyframes of \p this with
 	 *              the keyframes of \p other.