private static bool CheckExport(GameObject prefab, MeshAnimationExportParameter param)
{
if (string.IsNullOrEmpty(param.outputFilePath.Trim()))
{
EditorUtility.DisplayDialog("Missing Output File", "Please set a output file.", "OK");
return(false);
}
if (prefab == null)
{
EditorUtility.DisplayDialog("Missing Base FBX", "Please specify a base FBX.", "OK");
return(false);
}
if (PrefabUtility.GetPrefabParent(prefab) == null)
{
EditorUtility.DisplayDialog("GameObject must be an instance of a ModelPrefab", "Please select a valid GameObject", "OK");
}
bool clipsNotSet = true;
for (int i = 0; i < param.animationClips.Length; i++)
{
if (param.animationClips[i] != null && string.IsNullOrEmpty(param.animationClipNames[i].Trim()))
{
EditorUtility.DisplayDialog("Missing Animation Name", "Please specify a name for all animation files.", "OK");
return(false);
}
if (param.animationClips[i] != null)
{
clipsNotSet = false;
}
}
if (clipsNotSet)
{
EditorUtility.DisplayDialog("Missing Animation", "Please specify at least one animation file.", "OK");
return(false);
}
for (int i = 0; i < param.boneTransforms.Length; i++)
{
if (param.boneTransforms[i] != null && string.IsNullOrEmpty(param.boneNames[i].Trim()))
{
EditorUtility.DisplayDialog("Missing Bone Name", "Please specify a name for all bone transforms.", "OK");
return(false);
}
}
return(true);
}
public static void ExportCombinedTexture(GameObject prefab, MeshAnimationExportParameter param, System.Action <float> pProgressBarUpdater = null)
{
if (!CheckExport(prefab, param))
{
return;
}
AnimationClip[] animationClips = param.animationClips;
string[] animationClipNames = param.animationClipNames;
Transform[] boneTransforms = param.boneTransforms;
string[] boneNames = param.boneNames;
GameObject model = prefab;
Transform rootTransform = prefab.transform;
Animation animation = model.GetComponentInChildren <Animation>();
SkinnedMeshRenderer[] meshRenders = model.GetComponentsInChildren <SkinnedMeshRenderer>();
int meshRenderCount = meshRenders.Length;
Mesh[] exportMeshs = new Mesh[meshRenderCount];
for (int i = 0; i < meshRenderCount; ++i)
{
exportMeshs[i] = meshRenders[i].sharedMesh;
}
float frameInterval = 1.0f / param.framerate;
//清空并重建目标目录
if (System.IO.Directory.Exists(param.outputFilePath))
{
System.IO.Directory.Delete(param.outputFilePath, true);
}
System.IO.Directory.CreateDirectory(param.outputFilePath);
int totalFrameCount = 0;
totalFrameCount = 1 + meshRenderCount;
int totalAniClipFrameCount = 0;
foreach (var clip in animationClips)
{
totalAniClipFrameCount += (int)(clip.length / frameInterval) + 1;
}
// txture height
// 1 + mesh count + all clip frame * mesh count
totalFrameCount += totalAniClipFrameCount * meshRenderCount;
int[] vertexCount = new int[meshRenderCount];
int maxVertexCount = 0;
for (int i = 0; i < meshRenderCount; ++i)
{
int count = exportMeshs[i].vertexCount;
vertexCount[i] = count;
if (count > maxVertexCount)
{
maxVertexCount = count;
}
}
// 行 ： 每帧顶点数据
// 列 : 1 + mesh count + all clip frame * mesh count
Texture2D combinedTex = new Texture2D(maxVertexCount, totalFrameCount, TextureFormat.RGBAHalf, false);
Vector3[][] defaultAnimationInfos = new Vector3[meshRenderCount][];
for (int i = 0; i < meshRenderCount; i++)
{
defaultAnimationInfos[i] = new Vector3[8];
for (int j = 0; j < 8; j++)
{
defaultAnimationInfos[i][j] = new Vector3(0, 0, 0);
}
}
string[] defaultAnimationArray = new string[] { "Attack1", "Attack2", "Dead", "Hit", "Run", "Skill1", "Wait1", "Wait2" };
List <string> defaultAnimationList = new List <string>();
for (int i = 0; i < defaultAnimationArray.Length; i++)
{
defaultAnimationList.Add(defaultAnimationArray[i].ToUpper());
}
// （0， 0）点存储 render的个数 和 最大顶点数
combinedTex.SetPixel(0, 0, new Color(meshRenderCount, maxVertexCount, 0));
int countData = 1 + meshRenderCount;
for (int i = 0; i < meshRenderCount; ++i)
{
combinedTex.SetPixel(i + 1, 0, new Color(vertexCount[i], 0, 0));
countData += exportMeshs[i].uv.Length / 2 + exportMeshs[i].triangles.Length / 3;
}
// 配置纹理 fps 、 uv count、uv、triangle count、 triangle
int texSize = 64;
int texHeight = (int)Mathf.Ceil(countData / (float)texSize);
int texWidth = texSize;
Texture2D cfgTexture = new Texture2D(texWidth, texHeight, TextureFormat.RGBAHalf, false);
Color[] colors = new Color[texWidth * texHeight];
int cfgDataIndex = 0;
colors[cfgDataIndex++] = new Color(meshRenderCount, 0, 0);
for (int i = 0; i < meshRenderCount; ++i)
{
colors[cfgDataIndex++] = new Color(param.framerate, exportMeshs[i].uv.Length, exportMeshs[i].triangles.Length);
}
int frame = 1 + meshRenderCount;
for (int subMeshCount = 0; subMeshCount < meshRenderCount; ++subMeshCount)
{
for (int i = 0; i < param.clipCount; ++i)
{
MeshAnimationBoneGroup boneGroup = new MeshAnimationBoneGroup(param.boneNames.ToList());
AnimationClip clip = param.animationClips[i];
if (null == clip)
{
continue;
}
int infoIndex = -1;
string clipName = clip.name;
if (clipName.Equals("walk"))
{
clipName = "Hit";
}
else if (clipName.Equals("cut"))
{
clipName = "Skill1";
}
else if (clipName.Equals("Victory"))
{
clipName = "Dead";
}
string upperName = clipName.ToUpper();
if (defaultAnimationList.Contains(upperName))
{
infoIndex = defaultAnimationList.IndexOf(upperName);
defaultAnimationInfos[subMeshCount][infoIndex].x = 1;
}
animation.AddClip(clip, clip.name);
animation.clip = clip;
AnimationState state = animation[clip.name];
state.enabled = true;
state.weight = 1;
float clipLength = clip.length;
List <float> frameTimes = GetFrameTimes(clipLength, frameInterval);
try
{
defaultAnimationInfos[subMeshCount][infoIndex].y = frame;
}
catch
{
Debug.LogError(defaultAnimationInfos.Length + "," + defaultAnimationInfos.LongLength + "," + subMeshCount + "," + infoIndex);
}
foreach (float time in frameTimes)
{
state.time = time;
animation.Play();
animation.Sample();
// Grab the position and rotation for each bone at the current frame
for (int k = 0; k < param.boneTransforms.Length; k++)
{
string name = param.boneNames[k];
Vector3 pos = rootTransform.InverseTransformPoint(param.boneTransforms[k].position);
Quaternion rot = param.boneTransforms[k].rotation * Quaternion.Inverse(rootTransform.rotation);
boneGroup.boneInfos[name].positions.Add(pos);
boneGroup.boneInfos[name].rotations.Add(rot);
}
Mesh bakeMesh = null;
if (param.quaternionOffset != Quaternion.identity)
{
Matrix4x4 matrix = new Matrix4x4();
matrix.SetTRS(Vector2.zero, param.quaternionOffset, Vector3.one);
bakeMesh = BakeFrameAfterMatrixTransform(meshRenders[subMeshCount], matrix);
}
else
{
bakeMesh = new Mesh();
meshRenders[subMeshCount].BakeMesh(bakeMesh);
}
for (int k = 0; k < bakeMesh.vertexCount; k++)
{
Vector3 vertex = bakeMesh.vertices[k];
combinedTex.SetPixel(k, frame, new Color(vertex.x, vertex.y, vertex.z));
}
bakeMesh.Clear();
Object.DestroyImmediate(bakeMesh);
frame++;
animation.Stop();
}
//end frame position,exclude
defaultAnimationInfos[subMeshCount][infoIndex].z = frame;
}
for (int i = 0; i < exportMeshs[subMeshCount].uv.Length / 2; i++)
{
int uvIdx = i * 2;
colors[cfgDataIndex++] = new Color(exportMeshs[subMeshCount].uv[uvIdx].x, exportMeshs[subMeshCount].uv[uvIdx].y,
exportMeshs[subMeshCount].uv[uvIdx + 1].x, exportMeshs[subMeshCount].uv[uvIdx + 1].y);
}
for (int i = 0; i < exportMeshs[subMeshCount].triangles.Length / 3; i++)
{
int triIdx = i * 3;
colors[cfgDataIndex++] = new Color(exportMeshs[subMeshCount].triangles[triIdx], exportMeshs[subMeshCount].triangles[triIdx + 1],
exportMeshs[subMeshCount].triangles[triIdx + 2]);
}
}
for (int j = 0; j < meshRenderCount; j++)
{
for (int i = 0; i < 8; i++)
{
combinedTex.SetPixel(i, j + 1, new Color(defaultAnimationInfos[j][i].x, defaultAnimationInfos[j][i].y, defaultAnimationInfos[j][i].z));
}
}
combinedTex.Apply(false);
string dataPath = param.outputFilePath + "/" + "combinedTex" + ".asset";
AssetDatabase.CreateAsset(combinedTex, dataPath);
cfgTexture.SetPixels(colors);
cfgTexture.Apply();
AssetDatabase.CreateAsset(cfgTexture, param.outputFilePath + "/" + prefab.name + ".asset");
if (pProgressBarUpdater != null)
{
pProgressBarUpdater((float)param.animationClips.Length / (float)(param.animationClips.Length + 1));
}
//MeshAnimationProtobufHelper.SerializeObject<MeshAnimationGroupSerializable>(pSettings.outputFilePath + "/" + pFbxInstance.name + ".bytes", group);
EditorUtility.DisplayDialog("Tip", "Mesh Animation Export Complete" + prefab.name, "OK");
AssetDatabase.Refresh();
}
public void OnGUI()
{
windowWidth = position.width;
eulerAngle = EditorGUILayout.Vector3Field("Rotate Angle(除了特殊需求，一般按默认值导出)", eulerAngle);
EditorGUILayout.Space();
/*Rect rect = new Rect(0f, 40f, 200f, 0f);
* rect.height = EditorGUIUtility.singleLineHeight;
*
* EditorGUI.LabelField(rect, "Export Parameter", EditorStyles.boldLabel);
*
* rect.y += rect.height + EditorGUIUtility.standardVerticalSpacing;*/
EditorGUILayout.LabelField("Output File");
EditorGUILayout.BeginHorizontal();
{
m_MeshAnimationExportParameter.outputFilePath = "Assets/" + "Data/Units/Troop/MeshAnimation/";
m_MeshAnimationExportParameter.outputFolderPath = Path.GetDirectoryName(m_MeshAnimationExportParameter.outputFilePath);
string projectRelativeFilePath = GetAssetPath(m_MeshAnimationExportParameter.outputFilePath);
EditorGUILayout.SelectableLabel(projectRelativeFilePath,
EditorStyles.textField,
GUILayout.Height(EditorGUIUtility.singleLineHeight));
GUI.SetNextControlName("BrowseButton");
if (GUILayout.Button("Browse"))
{
BrowseSaveFile();
}
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
{
EditorGUILayout.LabelField("Base FBX:", GUILayout.Width(EditorGUIUtility.labelWidth - 4));
GameObject newPrefab = EditorGUILayout.ObjectField(m_Prefab, typeof(GameObject), true) as GameObject;
if (newPrefab != null && newPrefab != m_Prefab)
{
// error if they drag the prefab itself, since it won't have any transform data
if (PrefabUtility.GetPrefabParent(newPrefab) != null)
{
m_Prefab = newPrefab;
m_MeshAnimationExportParameter.ParsePrefab(newPrefab);
}
}
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.Space();
#region Framerate Setting
m_MeshAnimationExportParameter.framerate = EditorGUILayout.FloatField("Capture Framerate:", m_MeshAnimationExportParameter.framerate);
m_MeshAnimationExportParameter.framerate = Mathf.Max(m_MeshAnimationExportParameter.framerate, 1.0f);
#endregion
EditorGUILayout.Space();
#region Clip Count Setting
m_MeshAnimationExportParameter.clipCount = EditorGUILayout.IntField("Number of Clips:", m_MeshAnimationExportParameter.clipCount);
#endregion
EditorGUILayout.Space();
labelWidth = GUILayout.Width(windowWidth * 0.3f);
#region Animation Clip Setting
EditorGUILayout.BeginHorizontal();
{
EditorGUILayout.LabelField("Animation Name:", labelWidth);
EditorGUILayout.LabelField("Animation File:", labelWidth);
EditorGUILayout.LabelField("Frames:", GUILayout.Width(windowWidth * 0.2f));
}
EditorGUILayout.EndHorizontal();
DrawAnimationArrayGui();
#endregion
EditorGUILayout.Space();
#region Bone Count Setting
m_MeshAnimationExportParameter.boneCount = EditorGUILayout.IntField("Number of Bones:", m_MeshAnimationExportParameter.boneCount);
#endregion
EditorGUILayout.BeginHorizontal();
{
EditorGUILayout.LabelField("Bone Name:", labelWidth);
EditorGUILayout.LabelField("Bone Transform:", labelWidth);
}
EditorGUILayout.EndHorizontal();
DrawBoneArrayGui();
#region Clear and Save Buttons
EditorGUILayout.BeginHorizontal();
{
GUI.SetNextControlName("ClearButton");
if (GUILayout.Button("Clear"))
{
m_MeshAnimationExportParameter = new MeshAnimationExportParameter();
GUI.FocusControl("ClearButton");
}
if (GUILayout.Button("Export"))
{
//Save
if (eulerAngle != Vector3.zero)
{
m_MeshAnimationExportParameter.quaternionOffset = Quaternion.Euler(eulerAngle);
}
//MeshAnimationExporter.Export(fbx, exportSettings);
MeshAnimationExporter.ExportCombinedTexture(m_Prefab, m_MeshAnimationExportParameter);
}
}
EditorGUILayout.EndHorizontal();
#endregion
}
