/// <summary>
/// 将游戏物体，及其子物体的 Renderer 组件添加到合并器中
/// </summary>
/// <param name="objs"></param>
/// <param name="momm"></param>
public static void AddDroppedObjects(object[] objs, MeshBakerRoot momm)
{
if (objs != null)
{
HashSet <Renderer> renderersToAdd = new HashSet <Renderer>();
for (int i = 0; i < objs.Length; i++)
{
object obj = objs[i];
if (obj is GameObject)
{
Renderer[] rs = ((GameObject)obj).GetComponentsInChildren <Renderer>();
for (int j = 0; j < rs.Length; j++)
{
if (rs[j] is MeshRenderer || rs[j] is SkinnedMeshRenderer)
{
renderersToAdd.Add(rs[j]);
}
}
}
}
int numAdded = 0;
List <GameObject> objsToCombine = momm.GetObjectsToCombine();
bool failedToAddAssets = false;
foreach (Renderer r in renderersToAdd)
{
if (!objsToCombine.Contains(r.gameObject))
{
PrefabType prefabType = SceneBakerUtilityInEditor.GetPrefabType(r.gameObject);
if (prefabType == PrefabType.modelPrefab || prefabType == PrefabType.prefab)
{
failedToAddAssets = true;
}
else
{
objsToCombine.Add(r.gameObject);
numAdded++;
}
}
}
if (failedToAddAssets)
{
Debug.LogError("Did not add some object(s) because they are not scene objects");
}
Debug.Log("Added " + numAdded + " renderers");
}
}
public bool CheckPrefabTypes(ObjsToCombineTypes objToCombineType, List <GameObject> objsToMesh)
{
for (int i = 0; i < objsToMesh.Count; i++)
{
PrefabType pt = SceneBakerUtilityInEditor.GetPrefabType(objsToMesh[i]);
if (pt == PrefabType.sceneInstance)
{
// these are scene objects
if (objToCombineType == ObjsToCombineTypes.prefabOnly)
{
Debug.LogWarning("The list of objects to combine contains scene objects. You probably want prefabs. If using scene objects ensure position is zero, rotation is zero and scale is one. Translation, Rotation and Scale will be baked into the generated mesh." + objsToMesh[i] + " is a scene object");
return(false);
}
}
else if (objToCombineType == ObjsToCombineTypes.sceneObjOnly)
{
//these are prefabs
Debug.LogWarning("The list of objects to combine contains prefab assets. You probably want scene objects." + objsToMesh[i] + " is a prefab object");
return(false);
}
}
return(true);
}
/// <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);
}