package net.minecraft.client.player;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.Options;
import net.minecraft.world.entity.player.Input;
import net.minecraft.world.phys.Vec2;

@Environment(EnvType.CLIENT)
public class KeyboardInput extends ClientInput {
	private final Options options;

	public KeyboardInput(final Options options) {
		this.options = options;
	}

	private static float calculateImpulse(final boolean positive, final boolean negative) {
		if (positive == negative) {
			return 0.0F;
		} else {
			return positive ? 1.0F : -1.0F;
		}
	}

	@Override
	public void tick() {
		this.keyPresses = new Input(
			this.options.keyUp.isDown(),
			this.options.keyDown.isDown(),
			this.options.keyLeft.isDown(),
			this.options.keyRight.isDown(),
			this.options.keyJump.isDown(),
			this.options.keyShift.isDown(),
			this.options.keySprint.isDown()
		);
		float forwardImpulse = calculateImpulse(this.keyPresses.forward(), this.keyPresses.backward());
		float leftImpulse = calculateImpulse(this.keyPresses.left(), this.keyPresses.right());
		this.moveVector = new Vec2(leftImpulse, forwardImpulse).normalized();
	}
}