using TowerDefense.Economy;
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using TowerDefense.Level;
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using UnityEngine;
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namespace TowerDefense.Affectors
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{
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/// <summary>
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/// A tower effect for generating currency
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/// </summary>
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public class CurrencyAffector : Affector
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{
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/// <summary>
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/// The controller for currency gain
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/// </summary>
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public CurrencyGainer currencyGainer;
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/// <summary>
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/// Format for displaying the the properties of this affector
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/// </summary>
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public string descriptionFormat = "<b>Produces</b> {1} at {2} units per second";
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/// <summary>
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/// The audio source attached
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/// </summary>
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public AudioSource audioSource;
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/// <summary>
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/// The attached particle system
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/// </summary>
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public ParticleSystem currencyParticleSystem;
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/// <summary>
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/// Initialize the currency gain
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/// </summary>
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protected virtual void Start()
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{
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currencyGainer.Initialize(LevelManager.instance.currency);
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}
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/// <summary>
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/// Update the currency gain
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/// </summary>
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protected virtual void Update()
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{
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currencyGainer.Tick(Time.deltaTime);
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}
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/// <summary>
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/// Subscribe to currency gain events
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/// </summary>
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protected virtual void OnEnable()
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{
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currencyGainer.currencyChanged += OnCurrencyChanged;
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}
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/// <summary>
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/// Unsubscribe to currency gain event
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/// </summary>
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protected virtual void OnDisable()
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{
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currencyGainer.currencyChanged -= OnCurrencyChanged;
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}
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/// <summary>
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/// Fires when currency changed in <see cref="currencyGainer"/>
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/// </summary>
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/// <param name="info">
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/// The info for the currency gainer
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/// </param>
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protected void OnCurrencyChanged(CurrencyChangeInfo info)
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{
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if (audioSource != null)
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{
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audioSource.Play();
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}
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if (currencyParticleSystem != null)
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{
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currencyParticleSystem.Play();
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}
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}
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}
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}
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