119 lines
3.1 KiB
C#
119 lines
3.1 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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namespace BF
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{
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[ExecuteInEditMode]
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public class EmojiGraphic : MaskableGraphic
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{
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#region 属性
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//顶点缓存数据
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private readonly UIVertex[] tempVerts = new UIVertex[4];
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private MeshInfo meshInfo = new MeshInfo();
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[SerializeField]
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private Texture2D _mainTexture;
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public Texture2D MainTexture {
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get { return _mainTexture; }
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set
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{
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_mainTexture = value;
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SetAllDirty();
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}
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}
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public override Texture mainTexture
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{
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get
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{
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return _mainTexture;
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}
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}
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//inlintext
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public void SetMeshInfos(List<EmojiInfo> emojiInfos)
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{
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meshInfo.Reset();
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foreach (var emojiInfo in emojiInfos)
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{
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meshInfo.vertexs.AddRange(emojiInfo.Corner);
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meshInfo.uvs.AddRange(emojiInfo.UVs);
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}
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SetAllDirty();
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}
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//lua调用
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public void SetMeshInfoFromLua(List<Vector3> pos, List<float> uv)
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{
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meshInfo.Reset();
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for (var i = 0; i < pos.Count; ++i)
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{
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pos[i] = transform.worldToLocalMatrix.MultiplyPoint3x4(pos[i]);
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}
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for (var i = 0; i < uv.Count; i += 2)
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{
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meshInfo.uvs.Add(new Vector2(uv[i], uv[i + 1]));
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}
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meshInfo.vertexs.AddRange(pos);
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SetAllDirty();
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}
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#endregion
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protected override void OnPopulateMesh(VertexHelper vh)
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{
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vh.Clear();
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//在这里可以做一个数据判断，如果数据一样 就不再刷新
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if (meshInfo != null)
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{
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for (int i = 0; i < meshInfo.vertexs.Count; i++)
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{
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int tempVertsIndex = i & 3;
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tempVerts[tempVertsIndex].position = meshInfo.vertexs[i];// Utility.TransformWorld2Point(transform, _meshInfo.Vertices[i]);
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tempVerts[tempVertsIndex].uv0 = meshInfo.uvs[i];
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tempVerts[tempVertsIndex].color = color;
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if (tempVertsIndex == 3)
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{
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vh.AddUIVertexQuad(tempVerts);
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}
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}
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}
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}
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protected override void OnDestroy()
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{
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meshInfo.Release();
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}
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}
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public class MeshInfo
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{
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public List<Vector3> vertexs = new List<Vector3>();
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public List<Vector2> uvs = new List<Vector2>();
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//public List<Color32> colors = new List<Color32>();
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public void Reset()
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{
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vertexs.Clear();
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uvs.Clear();
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//colors.Clear();
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}
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public void Release()
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{
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vertexs.Clear();
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vertexs = null;
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uvs.Clear();
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uvs = null;
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//colors.Clear();
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//colors = null;
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}
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}
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}
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