package net.minecraft.world.attribute;

import net.minecraft.util.ARGB;
import net.minecraft.util.Mth;

public interface LerpFunction<T> {
	static LerpFunction<Float> ofFloat() {
		return Mth::lerp;
	}

	static LerpFunction<Integer> ofInteger() {
		return Mth::lerpInt;
	}

	static LerpFunction<Float> ofDegrees(final float maxDelta) {
		return (alpha, from, to) -> {
			float delta = Mth.wrapDegrees(to - from);
			return Math.abs(delta) >= maxDelta ? to : from + alpha * delta;
		};
	}

	static <T> LerpFunction<T> ofConstant() {
		return (alpha, from, to) -> from;
	}

	static <T> LerpFunction<T> ofStep(final float threshold) {
		return (alpha, from, to) -> alpha >= threshold ? to : from;
	}

	static LerpFunction<Integer> ofColor() {
		return ARGB::srgbLerp;
	}

	T apply(float alpha, T from, T to);
}