60 lines
2.4 KiB
C#
60 lines
2.4 KiB
C#
using UnityEditor;
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using UnityEngine;
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using System.Linq;
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using System.Collections.Generic;
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namespace SK.Framework
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{
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/// <summary>
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/// Mesh网格合并
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/// </summary>
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public class MeshCombiner
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{
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[MenuItem("SKFramework/Mesh/Combine")]
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public static void Execute()
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{
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bool mergeSubMeshes = EditorUtility.DisplayDialog("Mesh Combine",
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"是否将所有网格合并到单个子网格中？(如果所有网格都共享相同的材质，则应选择是，反之应选择否)", "是", "否");
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List<CombineInstance> instances = new List<CombineInstance>();
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for (int i = 0; i < Selection.gameObjects.Length; i++)
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{
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GameObject go = Selection.gameObjects[i];
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if (go == null) continue;
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MeshFilter meshFilter = go.GetComponent<MeshFilter>();
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if (meshFilter == null) continue;
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Mesh target = meshFilter.sharedMesh;
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if (target == null) continue;
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EditorUtility.DisplayProgressBar("网格合并", go.name, (float)i + 1 / Selection.gameObjects.Length);
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instances.Add(new CombineInstance { mesh = target, transform = meshFilter.transform.localToWorldMatrix });
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}
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EditorUtility.ClearProgressBar();
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var mrs = Selection.gameObjects.Select(m => (m as GameObject).GetComponent<MeshRenderer>()).ToArray();
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List<Material> materials;
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if (mergeSubMeshes)
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{
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materials = mrs.First().sharedMaterials.ToList();
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}
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else
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{
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materials = new List<Material>();
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for (int i = 0; i < mrs.Length; i++)
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{
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materials.AddRange(mrs[i].sharedMaterials);
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}
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}
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GameObject instance = new GameObject("New Mesh Combined");
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MeshFilter filter = instance.AddComponent<MeshFilter>();
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filter.mesh = new Mesh { name = instance.name };
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filter.sharedMesh.CombineMeshes(instances.ToArray(), mergeSubMeshes);
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MeshRenderer renderer = instance.AddComponent<MeshRenderer>();
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renderer.sharedMaterials = materials.ToArray();
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}
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[MenuItem("SKFramework/Mesh/Combine", true)]
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public static bool Validate()
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{
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return Selection.gameObjects.Length >= 2;
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}
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}
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} |