mixedreality/com.microsoft.mixedreality..../SDK/Features/UX/Scripts/Cursors/SpriteCursor.cs

84 lines
2.4 KiB
C#

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using UnityEngine;
namespace Microsoft.MixedReality.Toolkit.Input
{
/// <summary>
/// Object that represents a cursor comprised of sprites and colors for each state
/// </summary>
[AddComponentMenu("Scripts/MRTK/SDK/SpriteCursor")]
public class SpriteCursor : BaseCursor
{
[Serializable]
public struct SpriteCursorDatum
{
public string Name;
public CursorStateEnum CursorState;
public Sprite CursorSprite;
public Color CursorColor;
}
[SerializeField]
public SpriteCursorDatum[] CursorStateData;
/// <summary>
/// Sprite renderer to change. If null find one in children
/// </summary>
public SpriteRenderer TargetRenderer;
/// <summary>
/// On enable look for a sprite renderer on children
/// </summary>
protected override void OnEnable()
{
if (CursorStateData == null)
{
CursorStateData = Array.Empty<SpriteCursorDatum>();
}
if (TargetRenderer == null)
{
TargetRenderer = GetComponentInChildren<SpriteRenderer>();
}
base.OnEnable();
}
/// <summary>
/// Override OnCursorState change to set the correct sprite
/// state for the cursor
/// </summary>
public override void OnCursorStateChange(CursorStateEnum state)
{
base.OnCursorStateChange(state);
if (state != CursorStateEnum.Contextual)
{
for (int i = 0; i < CursorStateData.Length; i++)
{
if (CursorStateData[i].CursorState == state)
{
SetCursorState(CursorStateData[i]);
}
}
}
}
/// <summary>
/// Based on the type of state info pass it through to the sprite renderer
/// </summary>
private void SetCursorState(SpriteCursorDatum stateDatum)
{
// Return if we do not have an animator
if (TargetRenderer != null)
{
TargetRenderer.sprite = stateDatum.CursorSprite;
TargetRenderer.color = stateDatum.CursorColor;
}
}
}
}