using System.Collections.Generic;
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using TowerDefense.Towers;
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using UnityEngine;
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namespace TowerDefense.UI
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{
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public class RadiusVisualizerController : MonoBehaviour
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{
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/// <summary>
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/// Prefab used to visualize effect radius of tower
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/// </summary>
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public GameObject radiusVisualizerPrefab;
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public float radiusVisualizerHeight = 0.02f;
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/// <summary>
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/// The local euler angles
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/// </summary>
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public Vector3 localEuler;
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readonly List<GameObject> m_RadiusVisualizers = new List<GameObject>();
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/// <summary>
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/// Sets up the radius visualizer for a tower or ghost tower
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/// </summary>
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/// <param name="tower">
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/// The tower to get the data from
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/// </param>
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/// <param name="ghost">Transform of ghost to parent the visualiser to.</param>
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public void SetupRadiusVisualizers(Tower tower, Transform ghost = null)
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{
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// Create necessary affector radius visualizations
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List<ITowerRadiusProvider> providers =
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tower.levels[tower.currentLevel].GetRadiusVisualizers();
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int length = providers.Count;
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for (int i = 0; i < length; i++)
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{
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if (m_RadiusVisualizers.Count < i + 1)
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{
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m_RadiusVisualizers.Add(Instantiate(radiusVisualizerPrefab));
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}
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ITowerRadiusProvider provider = providers[i];
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GameObject radiusVisualizer = m_RadiusVisualizers[i];
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radiusVisualizer.SetActive(true);
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radiusVisualizer.transform.SetParent(ghost == null ? tower.transform : ghost);
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radiusVisualizer.transform.localPosition = new Vector3(0, radiusVisualizerHeight, 0);
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radiusVisualizer.transform.localScale = Vector3.one * provider.effectRadius * 2.0f;
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radiusVisualizer.transform.localRotation = new Quaternion {eulerAngles = localEuler};
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var visualizerRenderer = radiusVisualizer.GetComponent<Renderer>();
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if (visualizerRenderer != null)
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{
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visualizerRenderer.material.color = provider.effectColor;
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}
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}
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}
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/// <summary>
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/// Hides the radius visualizers
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/// </summary>
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public void HideRadiusVisualizers()
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{
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foreach (GameObject radiusVisualizer in m_RadiusVisualizers)
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{
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radiusVisualizer.transform.parent = transform;
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radiusVisualizer.SetActive(false);
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}
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}
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}
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}
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