void OnPostprocessSprites(Texture2D texture, Sprite[] sprites)
{
if (!s_Initialized)
{
return;
}
string guid = AssetDatabase.AssetPathToGUID(assetPath);
if (s_SpriteMeshToTextureCache.ContainsValue(guid))
{
foreach (Sprite sprite in sprites)
{
foreach (KeyValuePair <string, string> pair in s_SpriteMeshToTextureCache)
{
if (pair.Value == guid)
{
SpriteMesh spriteMesh = LoadSpriteMesh(AssetDatabase.GUIDToAssetPath(pair.Key));
if (spriteMesh && spriteMesh.sprite && sprite.name == spriteMesh.sprite.name)
{
DoSpriteOverride(spriteMesh, sprite);
break;
}
}
}
}
}
}
static void UpdateCachedSpriteMesh(SpriteMesh spriteMesh)
{
if (spriteMesh)
{
string key = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(spriteMesh));
if (spriteMesh.sprite)
{
SpriteMesh spriteMeshFromSprite = GetSpriteMeshFromSprite(spriteMesh.sprite);
if (!spriteMeshFromSprite || spriteMesh == spriteMeshFromSprite)
{
string value = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(SpriteUtility.GetSpriteTexture(spriteMesh.sprite, false)));
s_SpriteMeshToTextureCache[key] = value;
}
else
{
Debug.LogWarning("Anima2D: SpriteMesh " + spriteMesh.name + " uses the same Sprite as " + spriteMeshFromSprite.name + ". Use only one SpriteMesh per Sprite.");
}
}
else if (s_SpriteMeshToTextureCache.ContainsKey(key))
{
s_SpriteMeshToTextureCache.Remove(key);
}
}
}
public void Update()
{
m_TransformTrackers.Clear();
m_BlendShapeWeightTracker.Clear();
m_SpriteMesh = null;
if (m_SpriteMeshInstance && m_SpriteMeshInstance.spriteMesh)
{
m_SpriteMesh = m_SpriteMeshInstance.spriteMesh;
m_TransformTrackers.Add(new TransformTracker(m_SpriteMeshInstance.transform));
foreach (Bone2D bone in m_SpriteMeshInstance.bones)
{
m_TransformTrackers.Add(new TransformTracker(bone.transform));
}
if (m_SpriteMeshInstance.cachedSkinnedRenderer)
{
int blendShapeCount = m_SpriteMeshInstance.sharedMesh.blendShapeCount;
for (int i = 0; i < blendShapeCount; ++i)
{
m_BlendShapeWeightTracker.Add(i,
m_SpriteMeshInstance.cachedSkinnedRenderer.GetBlendShapeWeight(i));
}
}
}
}
static void UpgradeSpriteMesh(SpriteMesh spriteMesh)
{
if (spriteMesh)
{
SerializedObject spriteMeshSO = new SerializedObject(spriteMesh);
SerializedProperty apiVersionProp = spriteMeshSO.FindProperty("m_ApiVersion");
if (apiVersionProp.intValue < SpriteMesh.api_version)
{
if (apiVersionProp.intValue < 1)
{
Upgrade_001(spriteMeshSO);
}
if (apiVersionProp.intValue < 2)
{
Upgrade_002(spriteMeshSO);
}
if (apiVersionProp.intValue < 3)
{
Upgrade_003(spriteMeshSO);
}
spriteMeshSO.Update();
apiVersionProp.intValue = SpriteMesh.api_version;
spriteMeshSO.ApplyModifiedProperties();
AssetDatabase.SaveAssets();
}
}
}
public void SetSpriteMesh(SpriteMesh _spriteMesh, SpriteMeshInstance _spriteMeshInstance)
{
spriteMesh = _spriteMesh;
spriteMeshInstance = _spriteMeshInstance;
spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(_spriteMesh);
RevertChanges();
}
public static SpriteMesh CreateSpriteMesh(Sprite sprite)
{
SpriteMesh spriteMesh = SpriteMeshPostprocessor.GetSpriteMeshFromSprite(sprite);
SpriteMeshData spriteMeshData = null;
if (!spriteMesh && sprite)
{
string spritePath = AssetDatabase.GetAssetPath(sprite);
string directory = Path.GetDirectoryName(spritePath);
string assetPath = AssetDatabase.GenerateUniqueAssetPath(directory + Path.DirectorySeparatorChar + sprite.name + ".asset");
spriteMesh = ScriptableObject.CreateInstance <SpriteMesh>();
InitFromSprite(spriteMesh, sprite);
AssetDatabase.CreateAsset(spriteMesh, assetPath);
spriteMeshData = ScriptableObject.CreateInstance <SpriteMeshData>();
spriteMeshData.name = spriteMesh.name + "_Data";
spriteMeshData.hideFlags = HideFlags.HideInHierarchy;
InitFromSprite(spriteMeshData, sprite);
AssetDatabase.AddObjectToAsset(spriteMeshData, assetPath);
UpdateAssets(spriteMesh, spriteMeshData);
AssetDatabase.SaveAssets();
AssetDatabase.ImportAsset(assetPath);
Selection.activeObject = spriteMesh;
}
return(spriteMesh);
}
public static bool NeedsOverride(SpriteMesh spriteMesh)
{
if (!spriteMesh || !spriteMesh.sprite)
{
return(false);
}
SpriteMeshData spriteMeshData = LoadSpriteMeshData(spriteMesh);
if (!spriteMeshData)
{
return(false);
}
ushort[] triangles = spriteMesh.sprite.triangles;
if (triangles.Length != spriteMeshData.indices.Length)
{
return(true);
}
for (int i = 0; i < triangles.Length; i++)
{
if (spriteMeshData.indices[i] != triangles[i])
{
return(true);
}
}
return(false);
}
public static SpriteMesh CreateSpriteMesh(Sprite sprite)
{
SpriteMesh spriteMesh = null;
if (sprite)
{
string spritePath = AssetDatabase.GetAssetPath(sprite);
string directory = Path.GetDirectoryName(spritePath);
string prefabPath = AssetDatabase.GenerateUniqueAssetPath(directory + Path.DirectorySeparatorChar + sprite.name + ".prefab");
GameObject go = new GameObject(sprite.name);
GameObject prefab = PrefabUtility.CreatePrefab(prefabPath, go, ReplacePrefabOptions.ConnectToPrefab);
GameObject.DestroyImmediate(go);
spriteMesh = ScriptableObject.CreateInstance <SpriteMesh>();
spriteMesh.name = sprite.name;
InitFromSprite(spriteMesh, sprite);
AssetDatabase.AddObjectToAsset(spriteMesh, prefab);
UpdateAssets(spriteMesh);
AssetDatabase.SaveAssets();
AssetDatabase.ImportAsset(prefabPath);
Selection.activeObject = prefab;
}
return(spriteMesh);
}
static void UpgradeSpriteMesh(SpriteMesh spriteMesh)
{
if (spriteMesh)
{
SerializedObject spriteMeshSO = new SerializedObject(spriteMesh);
SerializedProperty apiVersionProp = spriteMeshSO.FindProperty("m_ApiVersion");
if (apiVersionProp.intValue < SpriteMesh.api_version)
{
if (apiVersionProp.intValue < 2)
{
Debug.LogError("SpriteMesh " + spriteMesh +
" was created using an ancient version of Anima2D which can't be upgraded anymore.\n" +
"The last version that can upgrade this asset is Anima2D 1.1.5");
}
if (apiVersionProp.intValue < 3)
{
Upgrade_003(spriteMeshSO);
}
if (apiVersionProp.intValue < 4)
{
Upgrade_004(spriteMeshSO);
}
spriteMeshSO.Update();
apiVersionProp.intValue = SpriteMesh.api_version;
spriteMeshSO.ApplyModifiedProperties();
AssetDatabase.SaveAssets();
}
}
}
public static BlendShape CreateBlendShape(SpriteMesh spriteMesh, string blendshapeName)
{
BlendShape l_blendshape = null;
SpriteMeshData spriteMeshData = LoadSpriteMeshData(spriteMesh);
if (spriteMeshData)
{
l_blendshape = BlendShape.Create(blendshapeName);
l_blendshape.hideFlags = HideFlags.HideInHierarchy;
AssetDatabase.AddObjectToAsset(l_blendshape, spriteMeshData);
List <BlendShape> l_blendshapes = new List <BlendShape>(spriteMeshData.blendshapes);
l_blendshapes.Add(l_blendshape);
spriteMeshData.blendshapes = l_blendshapes.ToArray();
EditorUtility.SetDirty(spriteMeshData);
EditorUtility.SetDirty(l_blendshape);
}
return(l_blendshape);
}
public static SpriteMeshInstance CreateSpriteMeshInstance(SpriteMesh spriteMesh, GameObject gameObject,
bool undo = true)
{
SpriteMeshInstance spriteMeshInstance = null;
if (spriteMesh && gameObject)
{
if (undo)
{
spriteMeshInstance = Undo.AddComponent <SpriteMeshInstance>(gameObject);
}
else
{
spriteMeshInstance = gameObject.AddComponent <SpriteMeshInstance>();
}
spriteMeshInstance.spriteMesh = spriteMesh;
spriteMeshInstance.sharedMaterial = defaultMaterial;
SpriteMeshData spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(spriteMesh);
List <Bone2D> bones = new List <Bone2D>();
List <string> paths = new List <string>();
Vector4 zero = new Vector4(0f, 0f, 0f, 1f);
foreach (BindInfo bindInfo in spriteMeshData.bindPoses)
{
Matrix4x4 m = spriteMeshInstance.transform.localToWorldMatrix * bindInfo.bindPose.inverse;
GameObject bone = new GameObject(bindInfo.name);
if (undo)
{
Undo.RegisterCreatedObjectUndo(bone, Undo.GetCurrentGroupName());
}
Bone2D boneComponent = bone.AddComponent <Bone2D>();
boneComponent.localLength = bindInfo.boneLength;
bone.transform.position = m * zero;
bone.transform.rotation = m.GetRotation();
bone.transform.parent = gameObject.transform;
bones.Add(boneComponent);
paths.Add(bindInfo.path);
}
BoneUtils.ReconstructHierarchy(bones, paths);
spriteMeshInstance.bones = bones;
SpriteMeshUtils.UpdateRenderer(spriteMeshInstance, undo);
EditorUtility.SetDirty(spriteMeshInstance);
}
return(spriteMeshInstance);
}
void ResetSpriteMesh()
{
if (m_SpriteMeshOriginal != null && m_SpriteMeshOriginal.IsTemplate)
{
m_SpriteMesh = m_SpriteMeshOriginal;
m_SpriteMeshOriginal = null;
}
}
static void Cleanup()
{
init = false;
spriteMesh = null;
instance = null;
currentDestination = null;
parentTransform = null;
s_InstanceBones.Clear();
}
static void Cleanup()
{
init = false;
spriteMesh = null;
instance = null;
currentDestination = null;
parentTransform = null;
s_InstanceBones.Clear();
}
static void HandleDragAndDrop(bool createOnEnter, Transform parent)
{
switch (Event.current.type)
{
case EventType.DragUpdated:
if (!init)
{
spriteMesh = GetSpriteMesh();
if (createOnEnter)
{
instance = CreateInstance(parent);
}
if (instance)
{
Event.current.Use();
}
init = true;
}
if (instance)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
instance.transform.position = instancePosition;
}
break;
case EventType.DragExited:
if (instance)
{
GameObject.DestroyImmediate(instance);
Event.current.Use();
}
Cleanup();
break;
case EventType.DragPerform:
if (!createOnEnter)
{
instance = CreateInstance(parent);
}
if (instance)
{
Event.current.Use();
}
Cleanup();
break;
}
}
static void InitFromSprite(SpriteMesh spriteMesh, Sprite sprite)
{
SerializedObject spriteMeshSO = new SerializedObject(spriteMesh);
SerializedProperty spriteProp = spriteMeshSO.FindProperty("m_Sprite");
SerializedProperty apiProp = spriteMeshSO.FindProperty("m_ApiVersion");
spriteMeshSO.Update();
apiProp.intValue = SpriteMesh.api_version;
spriteProp.objectReferenceValue = sprite;
spriteMeshSO.ApplyModifiedProperties();
}
public static Vector2 VertexToTexCoord(SpriteMesh spriteMesh, Vector2 pivotPoint, Vector3 vertex, float pixelsPerUnit)
{
Vector2 texCoord = Vector3.zero;
if (spriteMesh != null)
{
texCoord = (Vector2)vertex * pixelsPerUnit + pivotPoint;
}
return(texCoord);
}
static SpriteMesh.BindInfo[] GetBindPoses(SpriteMesh spriteMesh)
{
SpriteMesh.BindInfo[] result = null;
FieldInfo fieldInfo = typeof(SpriteMesh).GetField("bindPoses", BindingFlags.Instance | BindingFlags.NonPublic);
if (fieldInfo != null)
{
result = (SpriteMesh.BindInfo[])fieldInfo.GetValue(spriteMesh);
}
return(result);
}
public static Vector2 VertexToTexCoord(SpriteMesh spriteMesh, Vector3 vertex)
{
Vector2 texCoord = Vector3.zero;
if (spriteMesh != null)
{
Vector3 pivotPoint = (Vector3)GetPivotPoint(spriteMesh.sprite);
texCoord = vertex * spriteMesh.sprite.pixelsPerUnit + pivotPoint;
}
return(texCoord);
}
public static Vector3 TexCoordToVertex(SpriteMesh spriteMesh, Vector2 texVertex)
{
Vector3 vertex = Vector3.zero;
if (spriteMesh != null)
{
Vector3 pivotPoint = (Vector3)GetPivotPoint(spriteMesh.sprite);
vertex = ((Vector3)texVertex - pivotPoint) / spriteMesh.sprite.pixelsPerUnit;
}
return(vertex);
}
static void HideMaterials(SpriteMesh spriteMesh)
{
for (int i = 0; i < spriteMesh.sharedMaterials.Length; i++)
{
Material material = spriteMesh.sharedMaterials [i];
if (material)
{
material.hideFlags = HideFlags.HideInHierarchy;
EditorUtility.SetDirty(material);
}
}
}
public void Clear()
{
spriteMesh = null;
spriteMeshInstance = null;
selectedBone = null;
selectedEdge = null;
selectedVertices.Clear();
texVertices.Clear();
indexedEdges.Clear();
indices.Clear();
isDirty = false;
}
static SpriteMesh GetSpriteMesh()
{
SpriteMesh l_spriteMesh = null;
if (DragAndDrop.objectReferences.Length > 0)
{
Object obj = DragAndDrop.objectReferences[0];
l_spriteMesh = obj as SpriteMesh;
}
return(l_spriteMesh);
}
void DoSetSkinnedRenderer()
{
SpriteMesh spriteMesh = mSpriteMeshInstance.spriteMesh;
if (spriteMesh)
{
MeshFilter meshFilter = mSpriteMeshInstance.GetComponent <MeshFilter>();
MeshRenderer meshRenderer = mSpriteMeshInstance.GetComponent <MeshRenderer>();
Material material = null;
if (meshFilter)
{
DestroyImmediate(meshFilter);
}
if (meshRenderer)
{
material = meshRenderer.sharedMaterial;
DestroyImmediate(meshRenderer);
}
string path = AssetDatabase.GetAssetPath(spriteMesh);
if (!material)
{
material = AssetDatabase.LoadAssetAtPath(path, typeof(Material)) as Material;
}
Mesh mesh = AssetDatabase.LoadAssetAtPath(path, typeof(Mesh)) as Mesh;
SkinnedMeshRenderer skinnedMeshRenderer = mSpriteMeshInstance.GetComponent <SkinnedMeshRenderer>();
if (!skinnedMeshRenderer)
{
skinnedMeshRenderer = mSpriteMeshInstance.gameObject.AddComponent <SkinnedMeshRenderer>();
}
if (skinnedMeshRenderer)
{
skinnedMeshRenderer.sharedMesh = mesh;
skinnedMeshRenderer.sharedMaterial = material;
skinnedMeshRenderer.bones = mSpriteMeshInstance.bones.ConvertAll(bone => bone.transform).ToArray();
if (mSpriteMeshInstance.bones.Count > 0)
{
skinnedMeshRenderer.rootBone = mSpriteMeshInstance.bones[0].transform;
}
}
}
mSpriteMeshInstance.UpdateRenderer();
}
void OnPreprocessTexture()
{
if (!s_Initialized)
{
return;
}
string guid = AssetDatabase.AssetPathToGUID(assetPath);
if (s_SpriteMeshToTextureCache.ContainsValue(guid))
{
TextureImporter textureImporter = (TextureImporter)assetImporter;
SerializedObject textureImporterSO = new SerializedObject(textureImporter);
SerializedProperty textureImporterSprites = textureImporterSO.FindProperty("m_SpriteSheet.m_Sprites");
foreach (KeyValuePair <string, string> pair in s_SpriteMeshToTextureCache)
{
if (pair.Value == guid)
{
SpriteMesh spriteMesh = LoadSpriteMesh(AssetDatabase.GUIDToAssetPath(pair.Key));
SpriteMeshData spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(spriteMesh);
if (spriteMesh && spriteMeshData && spriteMesh.sprite && spriteMeshData.vertices.Length > 0)
{
SerializedProperty spriteProp = null;
int i = 0;
string name = "";
while (i < textureImporterSprites.arraySize && name != spriteMesh.sprite.name)
{
spriteProp = textureImporterSprites.GetArrayElementAtIndex(i);
name = spriteProp.FindPropertyRelative("m_Name").stringValue;
++i;
}
if (name == spriteMesh.sprite.name)
{
Rect textureRect = SpriteMeshUtils.CalculateSpriteRect(spriteMesh, 5);
spriteProp.FindPropertyRelative("m_Rect").rectValue = textureRect;
spriteProp.FindPropertyRelative("m_Alignment").intValue = 9;
spriteProp.FindPropertyRelative("m_Pivot").vector2Value = Vector2.Scale(spriteMeshData.pivotPoint - textureRect.position, new Vector2(1f / textureRect.size.x, 1f / textureRect.size.y));
textureImporter.userData = textureImporter.assetTimeStamp.ToString();
}
}
}
}
textureImporterSO.ApplyModifiedProperties();
}
}
static void ContextCreateSpriteMesh(MenuCommand menuCommand)
{
GameObject spriteRendererGO = Selection.activeGameObject;
SpriteRenderer spriteRenderer = null;
SpriteMesh spriteMesh = null;
int sortingLayerID = 0;
int sortingOrder = 0;
if (spriteRendererGO)
{
spriteRenderer = spriteRendererGO.GetComponent <SpriteRenderer>();
}
if (spriteRenderer &&
spriteRenderer.sprite)
{
sortingLayerID = spriteRenderer.sortingLayerID;
sortingOrder = spriteRenderer.sortingOrder;
SpriteMesh overrideSpriteMesh = SpriteMeshPostprocessor.GetSpriteMeshFromSprite(spriteRenderer.sprite);
if (overrideSpriteMesh)
{
spriteMesh = overrideSpriteMesh;
}
else
{
spriteMesh = SpriteMeshUtils.CreateSpriteMesh(spriteRenderer.sprite);
}
}
if (spriteMesh)
{
Undo.SetCurrentGroupName("create SpriteMeshInstance");
Undo.DestroyObjectImmediate(spriteRenderer);
SpriteMeshInstance spriteMeshInstance =
SpriteMeshUtils.CreateSpriteMeshInstance(spriteMesh, spriteRendererGO, true);
spriteMeshInstance.sortingLayerID = sortingLayerID;
spriteMeshInstance.sortingOrder = sortingOrder;
Selection.activeGameObject = spriteRendererGO;
}
else
{
Debug.Log("Select a SpriteRenderer with a Sprite to convert to SpriteMesh");
}
}
static void Upgrade_003(SerializedObject spriteMeshSO)
{
SpriteMesh spriteMesh = spriteMeshSO.targetObject as SpriteMesh;
SpriteMeshData spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(spriteMesh);
if (spriteMesh.sprite && spriteMeshData)
{
TextureImporter textureImporter =
AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(spriteMesh.sprite)) as TextureImporter;
float maxImporterSize = textureImporter.maxTextureSize;
int width = 1;
int height = 1;
SpriteMeshUtils.GetWidthAndHeight(textureImporter, ref width, ref height);
int maxSize = Mathf.Max(width, height);
float factor = maxSize / maxImporterSize;
if (factor > 1f)
{
SerializedObject spriteMeshDataSO = new SerializedObject(spriteMeshData);
SerializedProperty smdPivotPointProp = spriteMeshDataSO.FindProperty("m_PivotPoint");
SerializedProperty smdVerticesProp = spriteMeshDataSO.FindProperty("m_Vertices");
SerializedProperty smdHolesProp = spriteMeshDataSO.FindProperty("m_Holes");
spriteMeshDataSO.Update();
smdPivotPointProp.vector2Value = spriteMeshData.pivotPoint * factor;
for (int i = 0; i < spriteMeshData.vertices.Length; ++i)
{
smdVerticesProp.GetArrayElementAtIndex(i).vector2Value = spriteMeshData.vertices[i] * factor;
}
for (int i = 0; i < spriteMeshData.holes.Length; ++i)
{
smdHolesProp.GetArrayElementAtIndex(i).vector2Value = spriteMeshData.holes[i] * factor;
}
spriteMeshDataSO.ApplyModifiedProperties();
EditorUtility.SetDirty(spriteMeshData);
}
}
}
void DoSetMeshRenderer()
{
SpriteMesh spriteMesh = mSpriteMeshInstance.spriteMesh;
if (spriteMesh)
{
SkinnedMeshRenderer skinnedMeshRenderer = mSpriteMeshInstance.GetComponent <SkinnedMeshRenderer>();
MeshFilter meshFilter = mSpriteMeshInstance.GetComponent <MeshFilter>();
MeshRenderer meshRenderer = mSpriteMeshInstance.GetComponent <MeshRenderer>();
Material material = null;
if (skinnedMeshRenderer)
{
material = skinnedMeshRenderer.sharedMaterial;
DestroyImmediate(skinnedMeshRenderer);
}
else if (meshRenderer)
{
material = meshRenderer.sharedMaterial;
}
string path = AssetDatabase.GetAssetPath(spriteMesh);
Mesh mesh = AssetDatabase.LoadAssetAtPath(path, typeof(Mesh)) as Mesh;
if (!meshFilter)
{
meshFilter = mSpriteMeshInstance.gameObject.AddComponent <MeshFilter>();
}
if (meshFilter)
{
meshFilter.sharedMesh = mesh;
}
if (!meshRenderer)
{
meshRenderer = mSpriteMeshInstance.gameObject.AddComponent <MeshRenderer>();
}
if (meshRenderer)
{
meshRenderer.sharedMaterial = material;
}
}
mSpriteMeshInstance.UpdateRenderer();
}
public static SpriteMeshInstance CreateSpriteMeshInstance(SpriteMesh spriteMesh, bool undo = true)
{
if (spriteMesh)
{
GameObject gameObject = new GameObject(spriteMesh.name);
if (undo)
{
Undo.RegisterCreatedObjectUndo(gameObject, Undo.GetCurrentGroupName());
}
return(CreateSpriteMeshInstance(spriteMesh, gameObject, undo));
}
return(null);
}
static void InitFromSprite(SpriteMesh spriteMesh, Sprite sprite)
{
SerializedObject spriteMeshSO = new SerializedObject(spriteMesh);
spriteMeshSO.Update();
SerializedProperty spriteProp = spriteMeshSO.FindProperty("sprite");
spriteProp.objectReferenceValue = sprite;
spriteMeshSO.ApplyModifiedProperties();
GetInfoFromSprite(sprite, spriteMesh.texVertices, spriteMesh.edges, spriteMesh.indices);
EditorUtility.SetDirty(spriteMesh);
}
static void DoSpriteOverride(SpriteMesh spriteMesh, Sprite sprite)
{
SpriteMeshData spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(spriteMesh);
if (spriteMeshData)
{
Rect rect = SpriteMeshUtils.CalculateSpriteRect(spriteMesh, 5);
Rect spriteRect = sprite.rect;
Vector2 factor = new Vector2(spriteRect.width / rect.width, spriteRect.height / rect.height);
Vector2[] newVertices = new List <Vector2>(spriteMeshData.vertices).ConvertAll(v => MathUtils.ClampPositionInRect(Vector2.Scale(v, factor), spriteRect) - spriteRect.position).ToArray();
ushort[] newIndices = new List <int>(spriteMeshData.indices).ConvertAll <ushort>(i => (ushort)i).ToArray();
sprite.OverrideGeometry(newVertices, newIndices);
}
}
static void DoSpriteOverride(SpriteMesh spriteMesh, Sprite sprite)
{
SpriteMeshData spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(spriteMesh);
if(spriteMeshData)
{
Rect rect = SpriteMeshUtils.CalculateSpriteRect(spriteMesh,5);
Rect spriteRect = sprite.rect;
Vector2 factor = new Vector2(spriteRect.width/rect.width,spriteRect.height/rect.height);
Vector2[] newVertices = new List<Vector2>(spriteMeshData.vertices).ConvertAll( v => MathUtils.ClampPositionInRect(Vector2.Scale(v,factor),spriteRect) - spriteRect.position ).ToArray();
ushort[] newIndices = new List<int>(spriteMeshData.indices).ConvertAll<ushort>( i => (ushort)i ).ToArray();
sprite.OverrideGeometry(newVertices, newIndices);
}
}
static void UpdateCachedSpriteMesh(SpriteMesh spriteMesh)
{
if(spriteMesh)
{
string key = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(spriteMesh));
if(spriteMesh.sprite)
{
SpriteMesh spriteMeshFromSprite = GetSpriteMeshFromSprite(spriteMesh.sprite);
if(!spriteMeshFromSprite || spriteMesh == spriteMeshFromSprite)
{
string value = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(SpriteUtility.GetSpriteTexture(spriteMesh.sprite,false)));
s_SpriteMeshToTextureCache[key] = value;
}else{
Debug.LogWarning("Anima2D: SpriteMesh " + spriteMesh.name + " uses the same Sprite as " + spriteMeshFromSprite.name + ". Use only one SpriteMesh per Sprite.");
}
}else if(s_SpriteMeshToTextureCache.ContainsKey(key))
{
s_SpriteMeshToTextureCache.Remove(key);
}
}
}
static void HandleDragAndDrop(bool createOnEnter, Transform parent)
{
switch(Event.current.type)
{
case EventType.DragUpdated:
if(!init)
{
spriteMesh = GetSpriteMesh();
if(createOnEnter)
{
parentTransform = null;
CreateInstance();
}
Event.current.Use();
init = true;
}
if(instance)
{
instance.transform.position = instancePosition;
SpriteMeshInstance l_currentDestination = GetClosestBindeableIntersectingSpriteMeshInstance();
if(currentDestination != l_currentDestination)
{
currentDestination = l_currentDestination;
if(currentDestination)
{
List<Bone2D> destinationBones = currentDestination.bones;
List<Bone2D> newBones = new List<Bone2D>();
SpriteMeshData data = SpriteMeshUtils.LoadSpriteMeshData(instance.spriteMesh);
for(int i = 0; i < data.bindPoses.Length; ++i)
{
BindInfo bindInfo = data.bindPoses[i];
int index = FindBindInfo(bindInfo,currentDestination);
if(index >= 0)
{
newBones.Add(destinationBones[index]);
}
}
instance.transform.parent = currentDestination.transform.parent;
instance.bones = newBones;
SpriteMeshUtils.UpdateRenderer(instance,false);
foreach(Bone2D bone in s_InstanceBones)
{
bone.hideFlags = HideFlags.HideAndDontSave;
bone.gameObject.SetActive(false);
}
}else{
foreach(Bone2D bone in s_InstanceBones)
{
bone.hideFlags = HideFlags.None;
bone.gameObject.SetActive(true);
}
instance.transform.parent = null;
instance.bones = s_InstanceBones;
SpriteMeshUtils.UpdateRenderer(instance,false);
}
SceneView.RepaintAll();
}
}
break;
case EventType.DragExited:
if(instance)
{
GameObject.DestroyImmediate(instance.gameObject);
Event.current.Use();
}
Cleanup();
break;
case EventType.DragPerform:
if(!createOnEnter)
{
CreateInstance();
}
if(instance)
{
if(currentDestination)
{
foreach(Bone2D bone in s_InstanceBones)
{
if(bone)
{
GameObject.DestroyImmediate(bone.gameObject);
}
}
}
Undo.RegisterCreatedObjectUndo(instance.gameObject,"create SpriteMeshInstance");
}
Cleanup();
break;
}
if(instance)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
}
}
public void SetSpriteMesh(SpriteMesh _spriteMesh, SpriteMeshInstance _spriteMeshInstance)
{
spriteMesh = _spriteMesh;
spriteMeshInstance = _spriteMeshInstance;
spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(_spriteMesh);
RevertChanges();
}
public static bool NeedsOverride(SpriteMesh spriteMesh)
{
if(!spriteMesh || !spriteMesh.sprite) return false;
SpriteMeshData spriteMeshData = LoadSpriteMeshData(spriteMesh);
if(!spriteMeshData) return false;
ushort[] triangles = spriteMesh.sprite.triangles;
if(triangles.Length != spriteMeshData.indices.Length) return true;
for(int i = 0; i < triangles.Length; i++)
{
if(spriteMeshData.indices[i] != triangles[i])
{
return true;
}
}
return false;
}
public static SpriteMeshInstance CreateSpriteMeshInstance(SpriteMesh spriteMesh, GameObject gameObject, bool undo = true)
{
SpriteMeshInstance spriteMeshInstance = null;
if(spriteMesh && gameObject)
{
if(undo)
{
spriteMeshInstance = Undo.AddComponent<SpriteMeshInstance>(gameObject);
}else{
spriteMeshInstance = gameObject.AddComponent<SpriteMeshInstance>();
}
spriteMeshInstance.spriteMesh = spriteMesh;
spriteMeshInstance.sharedMaterial = defaultMaterial;
SpriteMeshData spriteMeshData = SpriteMeshUtils.LoadSpriteMeshData(spriteMesh);
List<Bone2D> bones = new List<Bone2D>();
List<string> paths = new List<string>();
Vector4 zero = new Vector4 (0f, 0f, 0f, 1f);
foreach(BindInfo bindInfo in spriteMeshData.bindPoses)
{
Matrix4x4 m = spriteMeshInstance.transform.localToWorldMatrix * bindInfo.bindPose.inverse;
GameObject bone = new GameObject(bindInfo.name);
if(undo)
{
Undo.RegisterCreatedObjectUndo(bone,Undo.GetCurrentGroupName());
}
Bone2D boneComponent = bone.AddComponent<Bone2D>();
boneComponent.localLength = bindInfo.boneLength;
bone.transform.position = m * zero;
bone.transform.rotation = m.GetRotation();
bone.transform.parent = gameObject.transform;
bones.Add(boneComponent);
paths.Add(bindInfo.path);
}
BoneUtils.ReconstructHierarchy(bones,paths);
spriteMeshInstance.bones = bones;
SpriteMeshUtils.UpdateRenderer(spriteMeshInstance, undo);
EditorUtility.SetDirty(spriteMeshInstance);
}
return spriteMeshInstance;
}
public static SpriteMeshInstance CreateSpriteMeshInstance(SpriteMesh spriteMesh, bool undo = true)
{
if(spriteMesh)
{
GameObject gameObject = new GameObject(spriteMesh.name);
if(undo)
{
Undo.RegisterCreatedObjectUndo(gameObject,Undo.GetCurrentGroupName());
}
return CreateSpriteMeshInstance(spriteMesh, gameObject, undo);
}
return null;
}
public static Rect CalculateSpriteRect(SpriteMesh spriteMesh, int padding)
{
int width = 0;
int height = 0;
GetSpriteTextureSize(spriteMesh.sprite,ref width,ref height);
SpriteMeshData spriteMeshData = LoadSpriteMeshData(spriteMesh);
Rect rect = spriteMesh.sprite.rect;
if(spriteMeshData)
{
Vector2 min = new Vector2(float.MaxValue,float.MaxValue);
Vector2 max = new Vector2(float.MinValue,float.MinValue);
for (int i = 0; i < spriteMeshData.vertices.Length; i++)
{
Vector2 v = spriteMeshData.vertices[i];
if(v.x < min.x) min.x = v.x;
if(v.y < min.y) min.y = v.y;
if(v.x > max.x) max.x = v.x;
if(v.y > max.y) max.y = v.y;
}
rect.position = min - Vector2.one * padding;
rect.size = (max - min) + Vector2.one * padding * 2f;
rect = MathUtils.ClampRect(rect,new Rect(0f,0f,width,height));
}
return rect;
}
public static SpriteMeshData LoadSpriteMeshData(SpriteMesh spriteMesh)
{
if(spriteMesh)
{
UnityEngine.Object[] assets = AssetDatabase.LoadAllAssetsAtPath(AssetDatabase.GetAssetPath(spriteMesh));
foreach(UnityEngine.Object asset in assets)
{
SpriteMeshData data = asset as SpriteMeshData;
if(data)
{
return data;
}
}
}
return null;
}
static void SetBindPoses(SpriteMeshData spriteMeshData, SpriteMesh.BindInfo[] bindPoses)
{
if(bindPoses != null && bindPoses.Length > 0)
{
BindInfo[] array = new BindInfo[bindPoses.Length];
for(int i = 0; i < array.Length; ++i)
{
BindInfo b = new BindInfo();
b.bindPose = bindPoses[i].bindPose;
b.boneLength = bindPoses[i].boneLength;
b.color = bindPoses[i].color;
b.name = bindPoses[i].name;
b.path = bindPoses[i].path;
b.zOrder = bindPoses[i].zOrder;
array[i] = b;
}
FieldInfo fieldInfo = typeof(SpriteMeshData).GetField("m_BindPoses",BindingFlags.Instance | BindingFlags.NonPublic);
if(fieldInfo != null)
{
fieldInfo.SetValue(spriteMeshData,array);
}
EditorUtility.SetDirty(spriteMeshData);
}
}
static SpriteMesh.BindInfo[] GetBindPoses(SpriteMesh spriteMesh)
{
SpriteMesh.BindInfo[] result = null;
FieldInfo fieldInfo = typeof(SpriteMesh).GetField("bindPoses",BindingFlags.Instance | BindingFlags.NonPublic);
if(fieldInfo != null)
{
result = (SpriteMesh.BindInfo[])fieldInfo.GetValue(spriteMesh);
}
return result;
}
public static void UpdateAssets(SpriteMesh spriteMesh, SpriteMeshData spriteMeshData)
{
if(spriteMesh && spriteMeshData)
{
string spriteMeshPath = AssetDatabase.GetAssetPath(spriteMesh);
SerializedObject spriteMeshSO = new SerializedObject(spriteMesh);
SerializedProperty sharedMeshProp = spriteMeshSO.FindProperty("m_SharedMesh");
SerializedProperty sharedMaterialsProp = spriteMeshSO.FindProperty("m_SharedMaterials");
if(!spriteMesh.sharedMesh)
{
Mesh mesh = new Mesh();
mesh.hideFlags = HideFlags.HideInHierarchy;
AssetDatabase.AddObjectToAsset(mesh,spriteMeshPath);
spriteMeshSO.Update();
sharedMeshProp.objectReferenceValue = mesh;
spriteMeshSO.ApplyModifiedProperties();
EditorUtility.SetDirty(mesh);
}
spriteMesh.sharedMesh.name = spriteMesh.name;
if(spriteMesh.sharedMaterials.Length == 0)
{
Material material = new Material(Shader.Find("Sprites/Default"));
material.mainTexture = SpriteUtility.GetSpriteTexture(spriteMesh.sprite,false);
AssetDatabase.AddObjectToAsset(material,spriteMeshPath);
spriteMeshSO.Update();
sharedMaterialsProp.arraySize = 1;
sharedMaterialsProp.GetArrayElementAtIndex(0).objectReferenceValue = material;
spriteMeshSO.ApplyModifiedProperties();
}
for (int i = 0; i < spriteMesh.sharedMaterials.Length; i++)
{
Material material = spriteMesh.sharedMaterials [i];
if(material)
{
if(spriteMesh.sprite)
{
material.mainTexture = SpriteUtility.GetSpriteTexture(spriteMesh.sprite,false);
}
material.name = spriteMesh.name + "_" + i;
material.hideFlags = HideFlags.HideInHierarchy;
EditorUtility.SetDirty(material);
}
}
spriteMeshData.hideFlags = HideFlags.HideInHierarchy;
EditorUtility.SetDirty(spriteMeshData);
int width = 0;
int height = 0;
GetSpriteTextureSize(spriteMesh.sprite,ref width,ref height);
float pixelsPerUnit = GetSpritePixelsPerUnit(spriteMesh.sprite);
Vector2 textureWidthHeightInv = new Vector2(1f/width,1f/height);
Vector3[] vertices = (new List<Vector2>(spriteMeshData.vertices)).ConvertAll( v => TexCoordToVertex(spriteMeshData.pivotPoint,v,pixelsPerUnit)).ToArray();
Vector2[] uvs = (new List<Vector2>(spriteMeshData.vertices)).ConvertAll( v => Vector2.Scale(v,textureWidthHeightInv)).ToArray();
Vector3[] normals = (new List<Vector3>(vertices)).ConvertAll( v => Vector3.back ).ToArray();
BoneWeight[] boneWeightsData = spriteMeshData.boneWeights;
if(boneWeightsData.Length != spriteMeshData.vertices.Length)
{
boneWeightsData = new BoneWeight[spriteMeshData.vertices.Length];
}
List<UnityEngine.BoneWeight> boneWeights = new List<UnityEngine.BoneWeight>(boneWeightsData.Length);
List<float> verticesOrder = new List<float>(spriteMeshData.vertices.Length);
for (int i = 0; i < boneWeightsData.Length; i++)
{
BoneWeight boneWeight = boneWeightsData[i];
List< KeyValuePair<int,float> > pairs = new List<KeyValuePair<int, float>>();
pairs.Add(new KeyValuePair<int, float>(boneWeight.boneIndex0,boneWeight.weight0));
pairs.Add(new KeyValuePair<int, float>(boneWeight.boneIndex1,boneWeight.weight1));
pairs.Add(new KeyValuePair<int, float>(boneWeight.boneIndex2,boneWeight.weight2));
pairs.Add(new KeyValuePair<int, float>(boneWeight.boneIndex3,boneWeight.weight3));
pairs = pairs.OrderByDescending(s=>s.Value).ToList();
UnityEngine.BoneWeight boneWeight2 = new UnityEngine.BoneWeight();
boneWeight2.boneIndex0 = Mathf.Max(0,pairs[0].Key);
boneWeight2.boneIndex1 = Mathf.Max(0,pairs[1].Key);
boneWeight2.boneIndex2 = Mathf.Max(0,pairs[2].Key);
boneWeight2.boneIndex3 = Mathf.Max(0,pairs[3].Key);
boneWeight2.weight0 = pairs[0].Value;
boneWeight2.weight1 = pairs[1].Value;
boneWeight2.weight2 = pairs[2].Value;
boneWeight2.weight3 = pairs[3].Value;
boneWeights.Add(boneWeight2);
float vertexOrder = i;
if(spriteMeshData.bindPoses.Length > 0)
{
vertexOrder = spriteMeshData.bindPoses[boneWeight2.boneIndex0].zOrder * boneWeight2.weight0 +
spriteMeshData.bindPoses[boneWeight2.boneIndex1].zOrder * boneWeight2.weight1 +
spriteMeshData.bindPoses[boneWeight2.boneIndex2].zOrder * boneWeight2.weight2 +
spriteMeshData.bindPoses[boneWeight2.boneIndex3].zOrder * boneWeight2.weight3;
}
verticesOrder.Add(vertexOrder);
}
List<WeightedTriangle> weightedTriangles = new List<WeightedTriangle>(spriteMeshData.indices.Length / 3);
for(int i = 0; i < spriteMeshData.indices.Length; i+=3)
{
int p1 = spriteMeshData.indices[i];
int p2 = spriteMeshData.indices[i+1];
int p3 = spriteMeshData.indices[i+2];
weightedTriangles.Add(new WeightedTriangle(p1,p2,p3,
verticesOrder[p1],
verticesOrder[p2],
verticesOrder[p3]));
}
weightedTriangles = weightedTriangles.OrderBy( t => t.weight ).ToList();
List<int> indices = new List<int>(spriteMeshData.indices.Length);
for(int i = 0; i < weightedTriangles.Count; ++i)
{
WeightedTriangle t = weightedTriangles[i];
indices.Add(t.p1);
indices.Add(t.p2);
indices.Add(t.p3);
}
spriteMesh.sharedMesh.Clear();
spriteMesh.sharedMesh.vertices = vertices;
spriteMesh.sharedMesh.uv = uvs;
spriteMesh.sharedMesh.triangles = indices.ToArray();
spriteMesh.sharedMesh.normals = normals;
spriteMesh.sharedMesh.boneWeights = boneWeights.ToArray();
spriteMesh.sharedMesh.bindposes = (new List<BindInfo>(spriteMeshData.bindPoses)).ConvertAll( p => p.bindPose ).ToArray();
spriteMesh.sharedMesh.RecalculateBounds();
}
}
static void InitFromSprite(SpriteMesh spriteMesh, Sprite sprite)
{
SerializedObject spriteMeshSO = new SerializedObject(spriteMesh);
SerializedProperty spriteProp = spriteMeshSO.FindProperty("m_Sprite");
SerializedProperty apiProp = spriteMeshSO.FindProperty("m_ApiVersion");
spriteMeshSO.Update();
apiProp.intValue = SpriteMesh.api_version;
spriteProp.objectReferenceValue = sprite;
spriteMeshSO.ApplyModifiedProperties();
}
public static Vector2 VertexToTexCoord(SpriteMesh spriteMesh, Vector2 pivotPoint, Vector3 vertex, float pixelsPerUnit)
{
Vector2 texCoord = Vector3.zero;
if(spriteMesh != null)
{
texCoord = (Vector2)vertex * pixelsPerUnit + pivotPoint;
}
return texCoord;
}
public static void UpdateAssets(SpriteMesh spriteMesh)
{
UpdateAssets(spriteMesh, SpriteMeshUtils.LoadSpriteMeshData(spriteMesh));
}
static void UpgradeSpriteMesh(SpriteMesh spriteMesh)
{
if(spriteMesh)
{
SerializedObject spriteMeshSO = new SerializedObject(spriteMesh);
SerializedProperty apiVersionProp = spriteMeshSO.FindProperty("m_ApiVersion");
if(apiVersionProp.intValue < SpriteMesh.api_version)
{
if(apiVersionProp.intValue < 1)
{
Upgrade_001(spriteMeshSO);
}
if(apiVersionProp.intValue < 2)
{
Upgrade_002(spriteMeshSO);
}
if(apiVersionProp.intValue < 3)
{
Upgrade_003(spriteMeshSO);
}
spriteMeshSO.Update();
apiVersionProp.intValue = SpriteMesh.api_version;
spriteMeshSO.ApplyModifiedProperties();
AssetDatabase.SaveAssets();
}
}
}
