using TowerDefense.Level;
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using UnityEngine;
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using UnityEngine.UI;
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namespace TowerDefense.UI.HUD
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{
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/// <summary>
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/// A class for displaying the wave feedback
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/// </summary>
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[RequireComponent(typeof(Canvas))]
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public class WaveUI : MonoBehaviour
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{
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/// <summary>
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/// The text element to display information on
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/// </summary>
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public Text display;
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public Image waveFillImage;
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/// <summary>
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/// The total amount of waves for this level
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/// </summary>
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protected int m_TotalWaves;
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protected Canvas m_Canvas;
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/// <summary>
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/// cache the total amount of waves
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/// Update the display
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/// and Subscribe to waveChanged
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/// </summary>
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protected virtual void Start()
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{
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m_Canvas = GetComponent<Canvas>();
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m_Canvas.enabled = false;
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m_TotalWaves = LevelManager.instance.waveManager.totalWaves;
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}
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/// <summary>
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/// Write the current wave amount to the display
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/// </summary>
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protected void UpdateDisplay()
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{
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m_Canvas.enabled = true;
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int currentWave = 0;
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string output = string.Format("{0}/{1}", currentWave, m_TotalWaves);
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display.text = output;
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}
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protected virtual void Update()
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{
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}
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/// <summary>
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/// Unsubscribe from events
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/// </summary>
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protected void OnDestroy()
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{
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}
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}
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}
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