143 lines
3.6 KiB
C#
143 lines
3.6 KiB
C#
using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace Rive.Components
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{
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/// <summary>
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/// Manages the preview of the RivePanel depending on its context. e.g Within a Canvas or in World Space as a texture.
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/// </summary>
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#if UNITY_EDITOR
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[ExecuteInEditMode]
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#endif
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internal class PanelContextPreviewManager : MonoBehaviour
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{
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private enum PanelContextOption
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{
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Unset = 0,
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Canvas = 1,
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World = 2
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}
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[HideInInspector]
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[SerializeField] private RivePanel m_rivePanel;
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#if UNITY_EDITOR
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private PanelContextOption m_panelContext;
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private PanelPreview m_currentPreview;
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private PanelContextOption PanelContext
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{
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get => m_panelContext;
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set
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{
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if (m_panelContext != value || m_currentPreview == null)
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{
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m_panelContext = value;
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SpawnPreviewForContext();
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}
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}
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}
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private void OnEnable()
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{
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if (Application.isPlaying)
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{
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return;
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}
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if (m_rivePanel == null)
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{
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m_rivePanel = GetComponent<RivePanel>();
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}
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CheckContext();
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}
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private void OnDisable()
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{
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if (Application.isPlaying)
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{
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return;
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}
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if (m_currentPreview != null)
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{
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m_currentPreview.Dispose();
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m_currentPreview = null;
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}
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}
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private void SpawnPreviewForContext()
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{
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if (Application.isPlaying || m_rivePanel == null)
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{
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return;
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}
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// Cleanup existing preview
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if (m_currentPreview != null)
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{
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m_currentPreview.Dispose();
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m_currentPreview = null;
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}
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// Create new preview based on context
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if (PanelContext == PanelContextOption.Canvas)
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{
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m_currentPreview = new CanvasPanelPreview(m_rivePanel);
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}
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else if (PanelContext == PanelContextOption.World)
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{
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m_currentPreview = new WorldspacePanelPreview(m_rivePanel);
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}
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}
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private bool IsPanelInOrOnCanvas()
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{
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if (m_rivePanel == null)
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{
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return false;
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}
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Canvas canvas = m_rivePanel.GetComponentInParent<Canvas>();
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return canvas != null;
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}
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private void CheckContext()
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{
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if (m_rivePanel == null || Application.isPlaying)
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{
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return;
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}
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PanelContext = IsPanelInOrOnCanvas() ? PanelContextOption.Canvas : PanelContextOption.World;
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}
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private void OnTransformParentChanged()
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{
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CheckContext();
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}
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private void OnValidate()
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{
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if (m_rivePanel == null)
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{
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m_rivePanel = GetComponent<RivePanel>();
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}
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}
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void Reset()
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{
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// This is called as soon as component is added in inspector
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// This component in particular seems to cause issues with the HideFlags when used with the HideComponentsAttribute in the RivePanel component.
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// This is a workaround to ensure that the HideFlags are set correctly.
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this.hideFlags = HideFlags.HideInInspector;
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}
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#endif
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}
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} |