public static GameObject CreateNewMeshBaker()
{
TextureCombineEntrance[] mbs = (TextureCombineEntrance[])GameObject.FindObjectsOfType(typeof(TextureCombineEntrance));
Regex regex = new Regex(@"\((\d+)\)$", RegexOptions.Compiled | RegexOptions.CultureInvariant);
int largest = 0;
try
{
for (int i = 0; i < mbs.Length; i++)
{
Match match = regex.Match(mbs[i].name);
if (match.Success)
{
int val = Convert.ToInt32(match.Groups[1].Value);
if (val >= largest)
{
largest = val + 1;
}
}
}
}
catch (Exception e)
{
if (e == null)
{
e = null; //Do nothing supress compiler warning
}
}
GameObject nmb = new GameObject("TextureCombineEntrance (" + largest + ")");
nmb.transform.position = Vector3.zero;
TextureCombineEntrance tb = nmb.AddComponent <TextureCombineEntrance>();
tb.packingAlgorithm = PackingAlgorithmEnum.MeshBakerTexturePacker;
////MB3_MeshBakerGrouper mbg = nmb.AddComponent<MB3_MeshBakerGrouper>();
GameObject meshBaker = new GameObject("MeshBaker");
MeshCombinerEntrance mb = meshBaker.AddComponent <MeshCombinerEntrance>();
meshBaker.transform.parent = nmb.transform;
////mb.meshCombiner.settingsHolder = mbg;
return(nmb.gameObject);
}
public static void CreateNewTextureBaker()
{
TextureCombineEntrance[] mbs = (TextureCombineEntrance[])UnityEditor.Editor.FindObjectsOfType(typeof(TextureCombineEntrance));
Regex regex = new Regex(@"\((\d+)\)$", RegexOptions.Compiled | RegexOptions.CultureInvariant);
int largest = 0;
try
{
for (int i = 0; i < mbs.Length; i++)
{
Match match = regex.Match(mbs[i].name);
if (match.Success)
{
int val = Convert.ToInt32(match.Groups[1].Value);
if (val >= largest)
{
largest = val + 1;
}
}
}
}
catch (Exception e)
{
if (e == null)
{
e = null; //Do nothing supress compiler warning
}
}
GameObject nmb = new GameObject("TextureBaker (" + largest + ")");
nmb.transform.position = Vector3.zero;
////nmb.AddComponent<MB3_MeshBakerGrouper>();
TextureCombineEntrance tb = nmb.AddComponent <TextureCombineEntrance>();
tb.packingAlgorithm = PackingAlgorithmEnum.MeshBakerTexturePacker;
}
/// <summary>
/// 创建合并材质资源
/// </summary>
/// <param name="target"></param>
/// <param name="pth"></param>
public static void CreateCombinedMaterialAssets(TextureCombineEntrance target, string pth)
{
TextureCombineEntrance mom = (TextureCombineEntrance)target;
string baseName = Path.GetFileNameWithoutExtension(pth);
if (baseName == null || baseName.Length == 0)
{
return;
}
string folderPath = pth.Substring(0, pth.Length - baseName.Length - 6);
List <string> matNames = new List <string>();
//多材质
if (mom.doMultiMaterial)
{
for (int i = 0; i < mom.resultMaterials.Length; i++)
{
matNames.Add(folderPath + baseName + "-mat" + i + ".mat");
AssetDatabase.CreateAsset(new Material(Shader.Find("Diffuse")), matNames[i]);
mom.resultMaterials[i].combinedMaterial = (Material)AssetDatabase.LoadAssetAtPath(matNames[i], typeof(Material));
}
}
else
{
matNames.Add(folderPath + baseName + "-mat.mat");
Material newMat = null;
if (mom.GetObjectsToCombine().Count > 0 && mom.GetObjectsToCombine()[0] != null)
{
Renderer r = mom.GetObjectsToCombine()[0].GetComponent <Renderer>();
if (r == null)
{
Debug.LogWarning("Object " + mom.GetObjectsToCombine()[0] + " does not have a Renderer on it.");
}
else
{
if (r.sharedMaterial != null)
{
newMat = new Material(r.sharedMaterial);
TextureCombineEntrance.ConfigureNewMaterialToMatchOld(newMat, r.sharedMaterial);
}
}
}
else
{
Debug.Log("If you add objects to be combined before creating the Combined Material Assets. " +
"Then Mesh Baker will create a result material that is a duplicate of the material on the first object to be combined. " +
"This saves time configuring the shader.");
}
if (newMat == null)
{
newMat = new Material(Shader.Find("Diffuse"));
}
AssetDatabase.CreateAsset(newMat, matNames[0]);
mom.resultMaterial = (Material)AssetDatabase.LoadAssetAtPath(matNames[0], typeof(Material));
}
//create the TextureBakeResults
AssetDatabase.CreateAsset(ScriptableObject.CreateInstance <TextureBakeResults>(), pth);
mom.textureBakeResults = (TextureBakeResults)AssetDatabase.LoadAssetAtPath(pth, typeof(TextureBakeResults));
AssetDatabase.Refresh();
}
//posibilities
// using fixOutOfBoundsUVs or not
//
/// <summary>
/// 根据合并列表物体配置多材质
/// </summary>
/// <param name="mom"></param>
/// <param name="resultMaterials"></param>
/// <param name="textureBaker"></param>
public static void ConfigureMutiMaterialsFromObjsToCombine(TextureCombineEntrance mom, SerializedProperty resultMaterials, SerializedObject textureBaker)
{
if (mom.GetObjectsToCombine().Count == 0)
{
Debug.LogError("合并列表为空");
return;
}
if (resultMaterials.arraySize > 0)
{
Debug.LogError("多材质映射已配置，在进行当前操作前需清除旧配置");
return;
}
if (mom.textureBakeResults == null)
{
Debug.LogError("Texture Bake Result 为空");
return;
}
//validate that the objects to be combined are valid
//验证合并列表内物体有效性
for (int i = 0; i < mom.GetObjectsToCombine().Count; i++)
{
GameObject go = mom.GetObjectsToCombine()[i];
if (go == null)
{
Debug.LogError("合并列表中有空物体于 " + i);
return;
}
Renderer r = go.GetComponent <Renderer>();
if (r == null || (!(r is MeshRenderer) && !(r is SkinnedMeshRenderer)))
{
Debug.LogError("合并列表中第 " + i + " 个游戏物体没有 renderer 组件");
return;
}
if (r.sharedMaterial == null)
{
Debug.LogError("合并列表中第 " + i + " 个游戏物体没有材质");
return;
}
}
Dictionary <Material, Mesh> obUVobjectToMesh_map = new Dictionary <Material, Mesh>();
//first pass put any meshes with obUVs on their own submesh if not fixing OB uvs
//1.将所有带有obUV的网格置于单独的材质中，（如果不固定OB UV）
if (mom.doMultiMaterialSplitAtlasesIfOBUVs)
{
for (int i = 0; i < mom.GetObjectsToCombine().Count; i++)
{
GameObject go = mom.GetObjectsToCombine()[i];
Mesh m = MeshBakerUtility.GetMesh(go);
MeshAnalysisResult dummyMar = new MeshAnalysisResult();
Renderer r = go.GetComponent <Renderer>();
for (int j = 0; j < r.sharedMaterials.Length; j++)
{
if (MeshBakerUtility.hasOutOfBoundsUVs(m, ref dummyMar, j))
{
if (!obUVobjectToMesh_map.ContainsKey(r.sharedMaterials[j]))
{
Debug.LogWarning("Object " + go + " submesh " + j + " uses UVs outside the range 0,0..1,1 to generate tiling. " +
"This object has been mapped to its own submesh in the combined mesh. " +
"It can share a submesh with other objects that use different materials " +
"if you use the fix out of bounds UVs feature which will bake the tiling");
obUVobjectToMesh_map.Add(r.sharedMaterials[j], m);
}
}
}
}
}
Dictionary <MultiMatSubmeshInfo, List <List <Material> > > shaderToMaterial_map = new Dictionary <MultiMatSubmeshInfo, List <List <Material> > >();
//2.没有 OB uvs 的材质按 shader 添加到 shader2Material_map 中
for (int i = 0; i < mom.GetObjectsToCombine().Count; i++)
{
Renderer r = mom.GetObjectsToCombine()[i].GetComponent <Renderer>();
for (int j = 0; j < r.sharedMaterials.Length; j++)
{
if (!obUVobjectToMesh_map.ContainsKey(r.sharedMaterials[j]))
{ //if not already added
if (r.sharedMaterials[j] == null)
{
continue;
}
List <List <Material> > binsOfMatsThatUseShader = null;
MultiMatSubmeshInfo newKey = new MultiMatSubmeshInfo(r.sharedMaterials[j].shader, r.sharedMaterials[j]);
if (!shaderToMaterial_map.TryGetValue(newKey, out binsOfMatsThatUseShader))
{
binsOfMatsThatUseShader = new List <List <Material> >();
binsOfMatsThatUseShader.Add(new List <Material>());
shaderToMaterial_map.Add(newKey, binsOfMatsThatUseShader);
}
if (!binsOfMatsThatUseShader[0].Contains(r.sharedMaterials[j]))
{
binsOfMatsThatUseShader[0].Add(r.sharedMaterials[j]);
}
}
}
}
int ResultMatsCount = shaderToMaterial_map.Count;
//third pass for each shader grouping check how big the atlas would be and group into bins that would fit in an atlas
// 3.检查每个 Shader-Mat 组的最终打包的 atlas 大小，过大则分到另一个图集中
if (mom.doMultiMaterialSplitAtlasesIfTooBig)
{
if (mom.packingAlgorithm == PackingAlgorithmEnum.UnitysPackTextures)
{
Debug.LogWarning("Unity texture packer does not support splitting atlases if too big. Atlases will not be split.");
}
else
{
ResultMatsCount = 0;
foreach (MultiMatSubmeshInfo sh in shaderToMaterial_map.Keys)
{
List <List <Material> > binsOfMatsThatUseShader = shaderToMaterial_map[sh];
List <Material> allMatsThatUserShader = binsOfMatsThatUseShader[0];//at this point everything is in the same list
binsOfMatsThatUseShader.RemoveAt(0);
TextureCombineHandler combiner = mom.CreateAndConfigureTextureCombiner();
combiner.saveAtlasesAsAssets = false;
if (allMatsThatUserShader.Count > 1)
{
combiner.fixOutOfBoundsUVs = mom.fixOutOfBoundsUVs;
}
else
{
combiner.fixOutOfBoundsUVs = false;
}
// Do the texture pack
List <AtlasPackingResult> packingResults = new List <AtlasPackingResult>();
Material tempMat = new Material(sh.shader);
combiner.CombineTexturesIntoAtlases(null, null, tempMat, mom.GetObjectsToCombine(), allMatsThatUserShader, null, packingResults, true, true);
for (int i = 0; i < packingResults.Count; i++)
{
List <MatsAndGOs> matsData = (List <MatsAndGOs>)packingResults[i].data;
List <Material> mats = new List <Material>();
for (int j = 0; j < matsData.Count; j++)
{
for (int kk = 0; kk < matsData[j].mats.Count; kk++)
{
if (!mats.Contains(matsData[j].mats[kk].mat))
{
mats.Add(matsData[j].mats[kk].mat);
}
}
}
binsOfMatsThatUseShader.Add(mats);
}
ResultMatsCount += binsOfMatsThatUseShader.Count;
}
}
}
//build the result materials
if (shaderToMaterial_map.Count == 0 && obUVobjectToMesh_map.Count == 0)
{
Debug.LogError("合并列表中没有材质");
}
mom.resultMaterials = new MultiMaterial[ResultMatsCount + obUVobjectToMesh_map.Count];
string pth = AssetDatabase.GetAssetPath(mom.textureBakeResults);
string baseName = Path.GetFileNameWithoutExtension(pth);
string folderPath = pth.Substring(0, pth.Length - baseName.Length - 6);
int k = 0;
foreach (MultiMatSubmeshInfo sh in shaderToMaterial_map.Keys)
{
foreach (List <Material> sourseMatsThatUseSameShader in shaderToMaterial_map[sh])
{
MultiMaterial mm = mom.resultMaterials[k] = new MultiMaterial();
mm.sourceMaterials = sourseMatsThatUseSameShader;
if (mm.sourceMaterials.Count == 1)
{
mm.considerMeshUVs = false;
}
else
{
mm.considerMeshUVs = mom.fixOutOfBoundsUVs;
}
string matName = folderPath + baseName + "-mat" + k + ".mat";
Material newMat = new Material(Shader.Find("Diffuse"));
if (sourseMatsThatUseSameShader.Count > 0 && sourseMatsThatUseSameShader[0] != null)
{
//复制参数值
TextureCombineEntrance.ConfigureNewMaterialToMatchOld(newMat, sourseMatsThatUseSameShader[0]);
}
AssetDatabase.CreateAsset(newMat, matName);
//合并材质初始值为源材质列表第一个的值
mm.combinedMaterial = (Material)AssetDatabase.LoadAssetAtPath(matName, typeof(Material));
k++;
}
}
foreach (Material m in obUVobjectToMesh_map.Keys)
{
MultiMaterial mm = mom.resultMaterials[k] = new MultiMaterial();
mm.sourceMaterials = new List <Material>();
mm.sourceMaterials.Add(m);
mm.considerMeshUVs = false;
string matName = folderPath + baseName + "-mat" + k + ".mat";
Material newMat = new Material(Shader.Find("Diffuse"));
TextureCombineEntrance.ConfigureNewMaterialToMatchOld(newMat, m);
AssetDatabase.CreateAsset(newMat, matName);
mm.combinedMaterial = (Material)AssetDatabase.LoadAssetAtPath(matName, typeof(Material));
k++;
}
SceneBakerUtilityInEditor.UpdateIfDirtyOrScript(textureBaker);
}
/* tried to see if the MultiMaterialConfig could be done using the GroupBy filters. Saddly it didn't work -_- */
public static void ConfigureMutiMaterialsFromObjsToCombine2(TextureCombineEntrance mom, SerializedProperty resultMaterials, SerializedObject textureBaker)
{
if (mom.GetObjectsToCombine().Count == 0)
{
Debug.LogError("You need to add some objects to combine before building the multi material list.");
return;
}
if (resultMaterials.arraySize > 0)
{
Debug.LogError("You already have some source to combined material mappings configured. You must remove these before doing this operation.");
return;
}
if (mom.textureBakeResults == null)
{
Debug.LogError("Texture Bake Result asset must be set before using this operation.");
return;
}
//validate that the objects to be combined are valid
for (int i = 0; i < mom.GetObjectsToCombine().Count; i++)
{
GameObject go = mom.GetObjectsToCombine()[i];
if (go == null)
{
Debug.LogError("Null object in list of objects to combine at position " + i);
return;
}
Renderer r = go.GetComponent <Renderer>();
if (r == null || (!(r is MeshRenderer) && !(r is SkinnedMeshRenderer)))
{
Debug.LogError("GameObject at position " + i + " in list of objects to combine did not have a renderer");
return;
}
if (r.sharedMaterial == null)
{
Debug.LogError("GameObject at position " + i + " in list of objects to combine has a null material");
return;
}
}
IGroupByFilter[] filters = new IGroupByFilter[3];
filters[0] = new GroupByOutOfBoundsUVs();
filters[1] = new GroupByShader();
filters[2] = new MB3_GroupByStandardShaderType();
List <GameObjectFilterInfo> gameObjects = new List <GameObjectFilterInfo>();
HashSet <GameObject> objectsAlreadyIncludedInBakers = new HashSet <GameObject>();
for (int i = 0; i < mom.GetObjectsToCombine().Count; i++)
{
GameObjectFilterInfo goaw = new GameObjectFilterInfo(mom.GetObjectsToCombine()[i], objectsAlreadyIncludedInBakers, filters);
if (goaw.materials.Length > 0) //don't consider renderers with no materials
{
gameObjects.Add(goaw);
}
}
//analyse meshes
Dictionary <int, MeshAnalysisResult> meshAnalysisResultCache = new Dictionary <int, MeshAnalysisResult>();
int totalVerts = 0;
for (int i = 0; i < gameObjects.Count; i++)
{
//string rpt = String.Format("Processing {0} [{1} of {2}]", gameObjects[i].go.name, i, gameObjects.Count);
//EditorUtility.DisplayProgressBar("Analysing Scene", rpt + " A", .6f);
Mesh mm = MeshBakerUtility.GetMesh(gameObjects[i].go);
int nVerts = 0;
if (mm != null)
{
nVerts += mm.vertexCount;
MeshAnalysisResult mar;
if (!meshAnalysisResultCache.TryGetValue(mm.GetInstanceID(), out mar))
{
//EditorUtility.DisplayProgressBar("Analysing Scene", rpt + " Check Out Of Bounds UVs", .6f);
MeshBakerUtility.hasOutOfBoundsUVs(mm, ref mar);
//Rect dummy = mar.uvRect;
MeshBakerUtility.doSubmeshesShareVertsOrTris(mm, ref mar);
meshAnalysisResultCache.Add(mm.GetInstanceID(), mar);
}
if (mar.hasOutOfBoundsUVs)
{
int w = (int)mar.uvRect.width;
int h = (int)mar.uvRect.height;
gameObjects[i].outOfBoundsUVs = true;
gameObjects[i].warning += " [WARNING: has uvs outside the range (0,1) tex is tiled " + w + "x" + h + " times]";
}
if (mar.hasOverlappingSubmeshVerts)
{
gameObjects[i].submeshesOverlap = true;
gameObjects[i].warning += " [WARNING: Submeshes share verts or triangles. 'Multiple Combined Materials' feature may not work.]";
}
}
totalVerts += nVerts;
//EditorUtility.DisplayProgressBar("Analysing Scene", rpt + " Validate OBuvs Multi Material", .6f);
Renderer mr = gameObjects[i].go.GetComponent <Renderer>();
if (!MeshBakerUtility.AreAllSharedMaterialsDistinct(mr.sharedMaterials))
{
gameObjects[i].warning += " [WARNING: Object uses same material on multiple submeshes. This may produce poor results when used with multiple materials or fix out of bounds uvs.]";
}
}
List <GameObjectFilterInfo> objsNotAddedToBaker = new List <GameObjectFilterInfo>();
Dictionary <GameObjectFilterInfo, List <List <GameObjectFilterInfo> > > gs2bakeGroupMap = null;//MB3_MeshBakerEditorWindow.sortIntoBakeGroups3(gameObjects, objsNotAddedToBaker, filters, false, mom.maxAtlasSize);
mom.resultMaterials = new MultiMaterial[gs2bakeGroupMap.Keys.Count];
string pth = AssetDatabase.GetAssetPath(mom.textureBakeResults);
string baseName = Path.GetFileNameWithoutExtension(pth);
string folderPath = pth.Substring(0, pth.Length - baseName.Length - 6);
int k = 0;
foreach (GameObjectFilterInfo m in gs2bakeGroupMap.Keys)
{
MultiMaterial mm = mom.resultMaterials[k] = new MultiMaterial();
mm.sourceMaterials = new List <Material>();
mm.sourceMaterials.Add(m.materials[0]);
string matName = folderPath + baseName + "-mat" + k + ".mat";
Material newMat = new Material(Shader.Find("Diffuse"));
TextureCombineEntrance.ConfigureNewMaterialToMatchOld(newMat, m.materials[0]);
AssetDatabase.CreateAsset(newMat, matName);
mm.combinedMaterial = (Material)AssetDatabase.LoadAssetAtPath(matName, typeof(Material));
k++;
}
SceneBakerUtilityInEditor.UpdateIfDirtyOrScript(textureBaker);
}
public void DrawGUI(SerializedObject textureBaker, TextureCombineEntrance momm, Type editorWindow)
{
if (textureBaker == null)
{
return;
}
textureBaker.Update();
showInstructions = EditorGUILayout.Foldout(showInstructions, "说明:");
if (showInstructions)
{
EditorGUILayout.HelpBox("1. Add scene objects or prefabs to combine. For best results these should use the same shader as result material.\n\n" +
"2. Create Empty Assets For Combined Material(s)\n\n" +
"3. Check that shader on result material(s) are correct.\n\n" +
"4. Bake materials into combined material(s).\n\n" +
"5. Look at warnings/errors in console. Decide if action needs to be taken.\n\n" +
"6. You are now ready to build combined meshs or adjust meshes to use the combined material(s).", UnityEditor.MessageType.None);
}
EditorGUILayout.Separator();
// Selected objects
EditorGUILayout.BeginVertical(editorStyles.editorBoxBackgroundStyle);
EditorGUILayout.LabelField("加入合并物体 ", EditorStyles.boldLabel);
if (GUILayout.Button(openToolsWindowLabelContent))
{
IMeshCombinerEditorWindow mmWin = (IMeshCombinerEditorWindow)EditorWindow.GetWindow(editorWindow);
mmWin.target = (MeshBakerRoot)momm;
}
object[] objs = EditorMethods.DropZone("将包含 Renderer 组件的游戏物体或父物体托至此处加入合并列表中", 300, 50);
EditorMethods.AddDroppedObjects(objs, momm);
//合并列表属性
EditorGUILayout.PropertyField(objsToMesh, objectsToCombineGUIContent, true);
EditorGUILayout.Separator();
//合并列表属性下方按钮
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("选中合并列表中的游戏物体"))
{
Selection.objects = momm.GetObjectsToCombine().ToArray();
if (momm.GetObjectsToCombine().Count > 0)
{
SceneView.lastActiveSceneView.pivot = momm.GetObjectsToCombine()[0].transform.position;
}
}
//排序按钮
if (GUILayout.Button(gc_SortAlongAxis))
{
MeshBakerRoot.ZSortObjects sorter = new MeshBakerRoot.ZSortObjects();
sorter.sortAxis = sortOrderAxis.vector3Value;
sorter.SortByDistanceAlongAxis(momm.GetObjectsToCombine());
}
EditorGUILayout.PropertyField(sortOrderAxis, GUIContent.none);
EditorGUILayout.EndHorizontal();
EditorGUILayout.EndVertical();
// output
EditorGUILayout.Separator();
EditorGUILayout.LabelField("输出", EditorStyles.boldLabel);
if (GUILayout.Button(createPrefabAndMaterialLabelContent))
{
string newPrefabPath = EditorUtility.SaveFilePanelInProject("新建合并材质资源名称", "", "asset", "Enter a name for the baked texture results");
if (newPrefabPath != null)
{
CreateCombinedMaterialAssets(momm, newPrefabPath);
}
}
EditorGUILayout.PropertyField(textureBakeResults, textureBakeResultsGUIContent);
if (textureBakeResults.objectReferenceValue != null)
{
showContainsReport = EditorGUILayout.Foldout(showContainsReport, "Shaders & Materials Contained");
if (showContainsReport)
{
EditorGUILayout.HelpBox(((TextureBakeResults)textureBakeResults.objectReferenceValue).GetDescription(), MessageType.Info);
}
}
//多材质合并
EditorGUILayout.PropertyField(doMultiMaterial, new GUIContent("是否多材质合并"));
if (momm.doMultiMaterial)
{
EditorGUILayout.BeginVertical(editorStyles.multipleMaterialBackgroundStyle);
EditorGUILayout.LabelField("原始材质合并映射信息", EditorStyles.boldLabel);
float oldLabelWidth = EditorGUIUtility.labelWidth;
EditorGUIUtility.labelWidth = 300;
EditorGUILayout.PropertyField(doMultiMaterialIfOBUVs, gc_DoMultiMaterialSplitAtlasesIfOBUVs);
EditorGUILayout.PropertyField(doMultiMaterialSplitAtlasesIfTooBig, gc_DoMultiMaterialSplitAtlasesIfTooBig);
EditorGUIUtility.labelWidth = oldLabelWidth;
if (GUILayout.Button(configMultiMatFromObjsContent))
{
ConfigureMutiMaterialsFromObjsToCombine(momm, resultMaterials, textureBaker);
}
EditorGUILayout.BeginHorizontal();
resultMaterialsFoldout = EditorGUILayout.Foldout(resultMaterialsFoldout, combinedMaterialsGUIContent);
//添加按钮
if (GUILayout.Button(insertContent, EditorStyles.miniButtonLeft, buttonWidth))
{
if (resultMaterials.arraySize == 0)
{
momm.resultMaterials = new MultiMaterial[1];
momm.resultMaterials[0].considerMeshUVs = momm.fixOutOfBoundsUVs;
}
else
{
int idx = resultMaterials.arraySize - 1;
resultMaterials.InsertArrayElementAtIndex(idx);
resultMaterials.GetArrayElementAtIndex(idx + 1).FindPropertyRelative("considerMeshUVs").boolValue = momm.fixOutOfBoundsUVs;
}
}
//删除按钮
if (GUILayout.Button(deleteContent, EditorStyles.miniButtonRight, buttonWidth))
{
resultMaterials.DeleteArrayElementAtIndex(resultMaterials.arraySize - 1);
}
EditorGUILayout.EndHorizontal();
//合并材质列表
if (resultMaterialsFoldout)
{
for (int i = 0; i < resultMaterials.arraySize; i++)
{
EditorGUILayout.Separator();
if (i % 2 == 1)
{
EditorGUILayout.BeginVertical(editorStyles.multipleMaterialBackgroundStyle);
}
else
{
EditorGUILayout.BeginVertical(editorStyles.multipleMaterialBackgroundStyleDarker);
}
string s = "";
if (i < momm.resultMaterials.Length && momm.resultMaterials[i] != null && momm.resultMaterials[i].combinedMaterial != null)
{
s = momm.resultMaterials[i].combinedMaterial.shader.ToString();
}
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("--- " + i + ":" + s, EditorStyles.boldLabel);
//删除按钮
if (GUILayout.Button(deleteContent, EditorStyles.miniButtonRight, buttonWidth))
{
resultMaterials.DeleteArrayElementAtIndex(i);
}
EditorGUILayout.EndHorizontal();
if (i < resultMaterials.arraySize)
{
EditorGUILayout.Separator();
SerializedProperty resMat = resultMaterials.GetArrayElementAtIndex(i);
EditorGUILayout.PropertyField(resMat.FindPropertyRelative("combinedMaterial"));
EditorGUILayout.PropertyField(resMat.FindPropertyRelative("considerMeshUVs"));
SerializedProperty sourceMats = resMat.FindPropertyRelative("sourceMaterials");
EditorGUILayout.PropertyField(sourceMats, true);
}
EditorGUILayout.EndVertical();
}
}
EditorGUILayout.EndVertical();
}
else
{
EditorGUILayout.PropertyField(resultMaterial, new GUIContent("已合并材质"));
}
// settings 材质合并选项
int labelWidth = 200;
EditorGUILayout.Separator();
EditorGUILayout.Separator();
EditorGUILayout.BeginVertical(editorStyles.editorBoxBackgroundStyle);
EditorGUILayout.LabelField("材质合并选项", EditorStyles.boldLabel);
// Atlas 间隙
DrawPropertyFieldWithLabelWidth(atlasPadding, gc_atlasPadding, labelWidth);
// Atlas 最大尺寸
DrawPropertyFieldWithLabelWidth(maxAtlasSize, maxAtlasSizeGUIContent, labelWidth);
// POT
DrawPropertyFieldWithLabelWidth(resizePowerOfTwoTextures, resizePowerOfTwoGUIContent, labelWidth);
//
DrawPropertyFieldWithLabelWidth(maxTilingBakeSize, maxTilingBakeSizeGUIContent, labelWidth);
EditorGUI.BeginDisabledGroup(momm.doMultiMaterial);
//是否计算网格 UV
DrawPropertyFieldWithLabelWidth(considerMeshUVs, fixOutOfBoundsGUIContent, labelWidth);
EditorGUI.EndDisabledGroup();
if (texturePackingAlgorithm.intValue == (int)PackingAlgorithmEnum.MeshBakerTexturePacker ||
texturePackingAlgorithm.intValue == (int)PackingAlgorithmEnum.MeshBakerTexturePacker_Fast)
{
//强制 POT
DrawPropertyFieldWithLabelWidth(forcePowerOfTwoAtlas, forcePowerOfTwoAtlasContent, labelWidth);
}
//非 Texture 属性
DrawPropertyFieldWithLabelWidth(considerNonTextureProperties, considerNonTexturePropertiesContent, labelWidth);
if (texturePackingAlgorithm.intValue == (int)PackingAlgorithmEnum.UnitysPackTextures)
{
EditorGUILayout.HelpBox("Unity's texture packer has memory problems and frequently crashes the editor.", MessageType.Warning);
}
//合并算法选项
EditorGUILayout.PropertyField(texturePackingAlgorithm, texturePackingAgorithmGUIContent);
if (TextureCombinerPipeline.USE_EXPERIMENTAL_HOIZONTALVERTICAL)
{
if (texturePackingAlgorithm.enumValueIndex == (int)PackingAlgorithmEnum.MeshBakerTexturePacker_Horizontal)
{
EditorGUILayout.PropertyField(useMaxAtlasWidthOverride, gc_useMaxAtlasWidthOverride);
if (!useMaxAtlasWidthOverride.boolValue)
{
EditorGUI.BeginDisabledGroup(true);
}
EditorGUILayout.PropertyField(maxAtlasWidthOverride, gc_overrideMaxAtlasWidth);
if (!useMaxAtlasWidthOverride.boolValue)
{
EditorGUI.EndDisabledGroup();
}
}
else if (texturePackingAlgorithm.enumValueIndex == (int)PackingAlgorithmEnum.MeshBakerTexturePacker_Vertical)
{
EditorGUILayout.PropertyField(useMaxAtlasHeightOverride, gc_useMaxAtlasHeightOverride);
if (!useMaxAtlasHeightOverride.boolValue)
{
EditorGUI.BeginDisabledGroup(true);
}
EditorGUILayout.PropertyField(maxAtlasHeightOverride, gc_overrideMaxAtlasHeight);
if (!useMaxAtlasHeightOverride.boolValue)
{
EditorGUI.EndDisabledGroup();
}
}
}
EditorGUILayout.PropertyField(customShaderProperties, customShaderPropertyNamesGUIContent, true);
EditorGUILayout.EndVertical();
EditorGUILayout.Separator();
Color oldColor = GUI.backgroundColor;
GUI.color = buttonColor;
if (GUILayout.Button("合并"))
{
momm.CreateAtlases(updateProgressBar, true, new EditorMethods());
EditorUtility.ClearProgressBar();
if (momm.textureBakeResults != null)
{
EditorUtility.SetDirty(momm.textureBakeResults);
}
}
GUI.backgroundColor = oldColor;
textureBaker.ApplyModifiedProperties();
if (GUI.changed)
{
textureBaker.SetIsDifferentCacheDirty();
}
}
/// <summary>
/// Bakes a combined mesh.
/// 如果是从Inspector代码中调用的，则传入该组件的SerializedObject
/// 对于“烘焙到预制”可能会损坏SerializedObject。这是必需的
/// </summary>
public static bool BakeIntoCombined(MeshBakerCommon mom, out bool createdDummyTextureBakeResults, ref SerializedObject so)
{
OutputOptions prefabOrSceneObject = mom.meshCombiner.outputOption;
createdDummyTextureBakeResults = false;
if (prefabOrSceneObject != OutputOptions.bakeIntoPrefab && prefabOrSceneObject != OutputOptions.bakeIntoSceneObject)
{
Debug.LogError("Paramater prefabOrSceneObject must be bakeIntoPrefab or bakeIntoSceneObject");
return(false);
}
//从父物体获得 贴图合并组件及其贴图合并结果 Asset
TextureCombineEntrance tb = mom.GetComponentInParent <TextureCombineEntrance>();
if (mom.textureBakeResults == null && tb != null)
{
mom.textureBakeResults = tb.textureBakeResults;
}
//贴图合并结果为空时，则创建
if (mom.textureBakeResults == null)
{
if (_OkToCreateDummyTextureBakeResult(mom))
{
createdDummyTextureBakeResults = true;
List <GameObject> gos = mom.GetObjectsToCombine();
if (mom.GetNumObjectsInCombined() > 0)
{
if (mom.clearBuffersAfterBake)
{
mom.ClearMesh();
}
else
{
Debug.LogError("'Texture Bake Result' must be set to add more objects to a combined mesh that " +
"already contains objects. Try enabling 'clear buffers after bake'");
return(false);
}
}
mom.textureBakeResults = TextureBakeResults.CreateForMaterialsOnRenderer(
gos.ToArray(),
mom.meshCombiner.GetMaterialsOnTargetRenderer());
Debug.Log("'Texture Bake Result' was not set. " +
"Creating a temporary one. Each material will be mapped to a separate submesh.");
}
}
//合并检测
ValidationLevel vl = Application.isPlaying ? ValidationLevel.quick : ValidationLevel.robust;
if (!MeshBakerRoot.DoCombinedValidate(mom, ObjsToCombineTypes.sceneObjOnly, new EditorMethods(), vl))
{
return(false);
}
//检测空预制体资源是否已创建
if (prefabOrSceneObject == OutputOptions.bakeIntoPrefab &&
mom.resultPrefab == null)
{
Debug.LogError("Need to set the Combined Mesh Prefab field. " +
"Create a prefab asset, drag an empty game object into it, and drag it to the 'Combined Mesh Prefab' field.");
return(false);
}
if (mom.meshCombiner.resultSceneObject != null &&
(SceneBakerUtilityInEditor.GetPrefabType(mom.meshCombiner.resultSceneObject) == PrefabType.modelPrefab ||
SceneBakerUtilityInEditor.GetPrefabType(mom.meshCombiner.resultSceneObject) == PrefabType.prefab))
{
Debug.LogWarning("Result Game Object was a project asset not a scene object instance. Clearing this field.");
mom.meshCombiner.resultSceneObject = null;
}
mom.ClearMesh();
//合并
if (mom.AddDeleteGameObjects(mom.GetObjectsToCombine().ToArray(), null, false))
{
mom.Apply(UnwrapUV2);
if (createdDummyTextureBakeResults)
{
//临时合并的贴图
Debug.Log(String.Format("Successfully baked {0} meshes each material is mapped to its own submesh.",
mom.GetObjectsToCombine().Count));
}
else
{
Debug.Log(String.Format("Successfully baked {0} meshes", mom.GetObjectsToCombine().Count));
}
if (prefabOrSceneObject == OutputOptions.bakeIntoSceneObject)
{
PrefabType pt = SceneBakerUtilityInEditor.GetPrefabType(mom.meshCombiner.resultSceneObject);
if (pt == PrefabType.prefab || pt == PrefabType.modelPrefab)
{
Debug.LogError("Combined Mesh Object is a prefab asset. " +
"If output option bakeIntoSceneObject then this must be an instance in the scene.");
return(false);
}
}
else if (prefabOrSceneObject == OutputOptions.bakeIntoPrefab)
{
string prefabPth = AssetDatabase.GetAssetPath(mom.resultPrefab);
if (prefabPth == null || prefabPth.Length == 0)
{
Debug.LogError("无法保存，合并游戏物体并非磁盘上的资源。");
return(false);
}
string baseName = Path.GetFileNameWithoutExtension(prefabPth);
string folderPath = prefabPth.Substring(0, prefabPth.Length - baseName.Length - 7);
string newFilename = folderPath + baseName + "-mesh";
//保存网格资源
SaveMeshsToAssetDatabase(mom, folderPath, newFilename);
if (mom.meshCombiner.renderType == RendererType.skinnedMeshRenderer)
{
Debug.LogWarning("Render type is skinned mesh renderer. " +
"Can't create prefab until all bones have been added to the combined mesh object " + mom.resultPrefab +
" Add the bones then drag the combined mesh object to the prefab.");
}
//构建 Prefab
RebuildPrefab(mom, ref so);
MeshBakerUtility.Destroy(mom.meshCombiner.resultSceneObject);
}
else
{
Debug.LogError("合并输出类型出错");
return(false);
}
}
else
{
//加入合并失败
if (mom.clearBuffersAfterBake)
{
mom.meshCombiner.ClearBuffers();
}
if (createdDummyTextureBakeResults)
{
MeshBakerUtility.Destroy(mom.textureBakeResults);
}
return(false);
}
//清除缓存数据
if (mom.clearBuffersAfterBake)
{
mom.meshCombiner.ClearBuffers();
}
//临时Texture
if (createdDummyTextureBakeResults)
{
MeshBakerUtility.Destroy(mom.textureBakeResults);
}
return(true);
}