rabidus-test/Assets/CurvedUI/Scripts/Experimental/CurvedUITMPSubmesh.cs

79 lines
2.2 KiB
C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
#if CURVEDUI_TMP || TMP_PRESENT
using TMPro;
#endif
namespace CurvedUI
{
[ExecuteInEditMode]
public class CurvedUITMPSubmesh : MonoBehaviour
{
#if CURVEDUI_TMP || TMP_PRESENT
//saved references
private VertexHelper vh;
private Mesh straightMesh;
private Mesh curvedMesh;
private CurvedUIVertexEffect crvdVE;
private TMP_SubMeshUI TMPsub;
private TextMeshProUGUI TMPtext;
public void UpdateSubmesh(bool tesselate, bool curve)
{
//find required components
if (TMPsub == null) TMPsub = gameObject.GetComponent<TMP_SubMeshUI>();
if (TMPsub == null) return;
if (TMPtext == null)TMPtext = GetComponentInParent<TextMeshProUGUI>();
if (crvdVE == null)crvdVE = gameObject.AddComponentIfMissing<CurvedUIVertexEffect>();
//perform tesselatio and curving
if (tesselate || straightMesh == null || vh == null || (!Application.isPlaying))
{
vh = new VertexHelper(TMPsub.mesh);
//save straight mesh - it will be curved then every time the object moves on the canvas.
straightMesh = new Mesh();
vh.FillMesh(straightMesh);
curve = true;
}
if (curve)
{
//Debug.Log("Submesh: Curve", this.gameObject);
vh = new VertexHelper(straightMesh);
crvdVE.ModifyMesh(vh);
curvedMesh = new Mesh();
vh.FillMesh(curvedMesh);
crvdVE.CurvingRequired = true;
}
//upload mesh to TMP object's renderer
TMPsub.canvasRenderer.SetMesh(curvedMesh);
//cleanup for not needed submeshes.
if (TMPtext != null && TMPtext.textInfo.materialCount < 2)
{
//Each submesh uses 1 additional material.
//If materialCount is 1, this means Submesh is not needed. Bounce it to toggle cleanup.
TMPsub.enabled = false;
TMPsub.enabled = true;
}
}
#endif
}
}