public static bool FindTriangle(this SpriteMeshData spriteMeshData, Vector2 point, out Vector3Int indices, out Vector3 barycentricCoords)
{
indices = Vector3Int.zero;
barycentricCoords = Vector3.zero;
if (spriteMeshData.indices.Count < 3)
{
return(false);
}
int triangleCount = spriteMeshData.indices.Count / 3;
for (int i = 0; i < triangleCount; ++i)
{
indices.x = spriteMeshData.indices[i * 3];
indices.y = spriteMeshData.indices[i * 3 + 1];
indices.z = spriteMeshData.indices[i * 3 + 2];
MeshModuleUtility.Barycentric(
point,
spriteMeshData.vertices[indices.x].position,
spriteMeshData.vertices[indices.y].position,
spriteMeshData.vertices[indices.z].position,
out barycentricCoords);
if (barycentricCoords.x >= 0f && barycentricCoords.y >= 0f && barycentricCoords.z >= 0f)
{
return(true);
}
}
return(false);
}
public static Matrix4x4 CalculateRootMatrix(this SpriteMeshData spriteMeshData)
{
Matrix4x4 rootMatrix = new Matrix4x4();
rootMatrix.SetTRS(spriteMeshData.frame.position, Quaternion.identity, Vector3.one);
return(rootMatrix);
}
public static void CalculateWeights(this SpriteMeshData spriteMeshData, IWeightsGenerator weightsGenerator, ISelection selection, float filterTolerance)
{
Vector2[] controlPoints;
Edge[] bones;
int[] pins;
spriteMeshData.GetControlPoints(out controlPoints, out bones, out pins);
Vector2[] vertices = new Vector2[spriteMeshData.vertices.Count];
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
vertices[i] = spriteMeshData.vertices[i].position;
}
BoneWeight[] boneWeights = weightsGenerator.Calculate(vertices, spriteMeshData.edges.ToArray(), controlPoints, bones, pins);
Debug.Assert(boneWeights.Length == spriteMeshData.vertices.Count);
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
if (selection == null || (selection.Count == 0 || selection.IsSelected(i)))
{
EditableBoneWeight editableBoneWeight = EditableBoneWeightUtility.CreateFromBoneWeight(boneWeights[i]);
if (filterTolerance > 0f)
{
editableBoneWeight.FilterChannels(filterTolerance);
editableBoneWeight.NormalizeChannels();
}
spriteMeshData.vertices[i].editableBoneWeight = editableBoneWeight;
}
}
}
public static void ClearWeights(this SpriteMeshData spriteMeshData, ISelection selection)
{
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
if (selection == null || (selection.Count == 0 || selection.IsSelected(i)))
{
spriteMeshData.vertices[i].editableBoneWeight.SetFromBoneWeight(default(BoneWeight));
}
}
}
public static void NormalizeWeights(this SpriteMeshData spriteMeshData, ISelection selection)
{
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
if (selection == null || (selection.Count == 0 || selection.IsSelected(i)))
{
spriteMeshData.vertices[i].editableBoneWeight.NormalizeChannels();
}
}
}
public static void UpdateSpriteBoneDataWorldPosition(this SpriteMeshData spriteMeshData, Matrix4x4[] localToWorldMatrices)
{
Debug.Assert(spriteMeshData.bones.Count == localToWorldMatrices.Length);
for (int i = 0; i < spriteMeshData.bones.Count; ++i)
{
var spriteBoneData = spriteMeshData.bones[i];
spriteBoneData.position = localToWorldMatrices[i].MultiplyPoint(Vector2.zero);
spriteBoneData.endPosition = localToWorldMatrices[i].MultiplyPoint(Vector2.right * spriteBoneData.length);
}
}
public static void GetMultiEditChannelData(this SpriteMeshData spriteMeshData, ISelection selection, int channelIndex,
out bool channelEnabled, out BoneWeightData boneWeightData,
out bool isChannelEnabledMixed, out bool isBoneIndexMixed, out bool isWeightMixed)
{
if (selection == null)
{
throw new ArgumentNullException("selection is null");
}
bool first = true;
channelEnabled = false;
boneWeightData = new BoneWeightData();
isChannelEnabledMixed = false;
isBoneIndexMixed = false;
isWeightMixed = false;
foreach (int i in selection)
{
EditableBoneWeight editableBoneWeight = spriteMeshData.vertices[i].editableBoneWeight;
BoneWeightData otherBoneWeightData = editableBoneWeight.GetBoneWeightData(channelIndex);
if (first)
{
channelEnabled = editableBoneWeight.IsChannelEnabled(channelIndex);
boneWeightData.boneIndex = otherBoneWeightData.boneIndex;
boneWeightData.weight = otherBoneWeightData.weight;
first = false;
}
else
{
if (channelEnabled != editableBoneWeight.IsChannelEnabled(channelIndex))
{
isChannelEnabledMixed = true;
channelEnabled = false;
}
if (boneWeightData.boneIndex != otherBoneWeightData.boneIndex)
{
isBoneIndexMixed = true;
boneWeightData.boneIndex = -1;
}
if (boneWeightData.weight != otherBoneWeightData.weight)
{
isWeightMixed = true;
boneWeightData.weight = 0f;
}
}
}
}
public static GUIContent[] GetBoneNameList(SpriteMeshData spriteMeshData)
{
List <GUIContent> names = new List <GUIContent>();
for (int i = 0; i < spriteMeshData.bones.Count; i++)
{
var bone = spriteMeshData.bones[i];
names.Add(new GUIContent(i + " " + bone.name));
}
return(names.ToArray());
}
public static void Triangulate(this SpriteMeshData spriteMeshData, ITriangulator triangulator)
{
Debug.Assert(triangulator != null);
m_VerticesTemp.Clear();
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
m_VerticesTemp.Add(spriteMeshData.vertices[i].position);
}
triangulator.Triangulate(m_VerticesTemp, spriteMeshData.edges, spriteMeshData.indices);
}
public static void OutlineFromAlpha(this SpriteMeshData spriteMeshData, IOutlineGenerator outlineGenerator, ITextureDataProvider textureDataProvider, float outlineDetail, byte alphaTolerance)
{
Debug.Assert(textureDataProvider != null);
Debug.Assert(textureDataProvider.texture != null);
int width, height;
textureDataProvider.GetTextureActualWidthAndHeight(out width, out height);
Vector2 scale = new Vector2(textureDataProvider.texture.width / (float)width, textureDataProvider.texture.height / (float)height);
Vector2 scaleInv = new Vector2(1f / scale.x, 1f / scale.y);
Vector2 rectOffset = spriteMeshData.frame.size * 0.5f + spriteMeshData.frame.position;
Rect scaledRect = spriteMeshData.frame;
scaledRect.min = Vector2.Scale(scaledRect.min, scale);
scaledRect.max = Vector2.Scale(scaledRect.max, scale);
spriteMeshData.vertices.Clear();
spriteMeshData.edges.Clear();
Vector2[][] paths;
outlineGenerator.GenerateOutline(textureDataProvider.texture, scaledRect, outlineDetail, alphaTolerance, false, out paths);
int vertexIndexBase = 0;
for (int i = 0; i < paths.Length; ++i)
{
int numPathVertices = paths[i].Length;
for (int j = 0; j <= numPathVertices; j++)
{
if (j < numPathVertices)
{
spriteMeshData.vertices.Add(new Vertex2D(Vector2.Scale(paths[i][j], scaleInv) + rectOffset));
}
if (j > 0)
{
spriteMeshData.edges.Add(new Edge(vertexIndexBase + j - 1, vertexIndexBase + j % numPathVertices));
}
}
vertexIndexBase += numPathVertices;
}
}
public static void SortTrianglesByDepth(this SpriteMeshData spriteMeshData)
{
List <float> vertexOrderList = new List <float>(spriteMeshData.vertices.Count);
for (int i = 0; i < spriteMeshData.vertices.Count; i++)
{
float vertexOrder = 0;
if (spriteMeshData.bones.Count > 0)
{
BoneWeight boneWeight = spriteMeshData.vertices[i].editableBoneWeight.ToBoneWeight(false);
float orderBone0 = spriteMeshData.bones[boneWeight.boneIndex0].depth;
float orderBone1 = spriteMeshData.bones[boneWeight.boneIndex1].depth;
float orderBone2 = spriteMeshData.bones[boneWeight.boneIndex2].depth;
float orderBone3 = spriteMeshData.bones[boneWeight.boneIndex3].depth;
vertexOrder = orderBone0 * boneWeight.weight0 + orderBone1 * boneWeight.weight1 + orderBone2 * boneWeight.weight2 + orderBone3 * boneWeight.weight3;
}
vertexOrderList.Add(vertexOrder);
}
List <WeightedTriangle> weightedTriangles = new List <WeightedTriangle>(spriteMeshData.indices.Count / 3);
for (int i = 0; i < spriteMeshData.indices.Count; i += 3)
{
int p1 = spriteMeshData.indices[i];
int p2 = spriteMeshData.indices[i + 1];
int p3 = spriteMeshData.indices[i + 2];
float weight = (vertexOrderList[p1] + vertexOrderList[p2] + vertexOrderList[p3]) / 3f;
weightedTriangles.Add(new WeightedTriangle(p1, p2, p3, weight));
}
weightedTriangles = weightedTriangles.OrderBy(t => t.weight).ToList();
spriteMeshData.indices.Clear();
for (int i = 0; i < weightedTriangles.Count; ++i)
{
WeightedTriangle triangle = weightedTriangles[i];
spriteMeshData.indices.Add(triangle.p1);
spriteMeshData.indices.Add(triangle.p2);
spriteMeshData.indices.Add(triangle.p3);
}
}
public static void CalculateWeightsSafe(this SpriteMeshData spriteMeshData, IWeightsGenerator weightsGenerator, ISelection selection, float filterTolerance)
{
SerializableSelection tempSelection = new SerializableSelection();
GenericSelector <Vertex2D> vertexSelector = new GenericSelector <Vertex2D>();
vertexSelector.items = spriteMeshData.vertices;
vertexSelector.selection = tempSelection;
vertexSelector.Filter = (int i) => {
return(vertexSelector.items[i].editableBoneWeight.GetWeightSum() == 0f && (selection == null || selection.Count == 0 || selection.IsSelected(i)));
};
vertexSelector.Select();
if (tempSelection.Count > 0)
{
spriteMeshData.CalculateWeights(weightsGenerator, tempSelection, filterTolerance);
}
}
public static void Subdivide(this SpriteMeshData spriteMeshData, ITriangulator triangulator, float largestAreaFactor)
{
Debug.Assert(triangulator != null);
m_VerticesTemp.Clear();
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
m_VerticesTemp.Add(spriteMeshData.vertices[i].position);
}
triangulator.Tessellate(0f, 0f, 0f, largestAreaFactor, 100, m_VerticesTemp, spriteMeshData.edges, spriteMeshData.indices);
spriteMeshData.vertices.Clear();
for (int i = 0; i < m_VerticesTemp.Count; ++i)
{
spriteMeshData.vertices.Add(new Vertex2D(m_VerticesTemp[i]));
}
}
public static void GetControlPoints(this SpriteMeshData spriteMeshData, out Vector2[] points, out Edge[] edges, out int[] pins)
{
points = null;
edges = null;
List <Vector2> pointList = new List <Vector2>();
List <Edge> edgeList = new List <Edge>();
List <int> pinList = new List <int>();
foreach (var bone in spriteMeshData.bones)
{
if (bone.length > 0f)
{
Vector2 endPosition = bone.position + (bone.endPosition - bone.position).normalized * bone.length * 0.99f;
int index1 = FindPoint(pointList, bone.position, 0.01f);
int index2 = FindPoint(pointList, endPosition, 0.01f);
if (index1 == -1)
{
pointList.Add(bone.position);
index1 = pointList.Count - 1;
}
if (index2 == -1)
{
pointList.Add(endPosition);
index2 = pointList.Count - 1;
}
edgeList.Add(new Edge(index1, index2));
}
else if (bone.length == 0f)
{
pointList.Add(bone.position);
pinList.Add(pointList.Count - 1);
}
}
points = pointList.ToArray();
edges = edgeList.ToArray();
pins = pinList.ToArray();
}
public static void SetMultiEditChannelData(this SpriteMeshData spriteMeshData, ISelection selection, int channelIndex,
bool referenceChannelEnabled, bool newChannelEnabled, BoneWeightData referenceData, BoneWeightData newData)
{
if (selection == null)
{
throw new ArgumentNullException("selection is null");
}
bool channelEnabledChanged = referenceChannelEnabled != newChannelEnabled;
bool boneIndexChanged = referenceData.boneIndex != newData.boneIndex;
bool weightChanged = referenceData.weight != newData.weight;
foreach (int i in selection)
{
EditableBoneWeight editableBoneWeight = spriteMeshData.vertices[i].editableBoneWeight;
BoneWeightData data = editableBoneWeight.GetBoneWeightData(channelIndex);
if (channelEnabledChanged)
{
editableBoneWeight.EnableChannel(channelIndex, newChannelEnabled);
}
if (boneIndexChanged)
{
data.boneIndex = newData.boneIndex;
}
if (weightChanged)
{
data.weight = newData.weight;
}
editableBoneWeight.SetBoneWeightData(channelIndex, data);
if (channelEnabledChanged || weightChanged)
{
editableBoneWeight.CompensateOtherChannels(channelIndex);
}
}
}
public override void OnModuleActivate()
{
InitStyles();
Undo.undoRedoPerformed += UndoRedoPerformed;
spriteEditor.enableMouseMoveEvent = true;
IGUIWrapper guiWrapper = new GUIWrapper();
m_SpriteMeshCache = ScriptableObject.CreateInstance <SpriteMeshCache>();
m_Triangulator = new Triangulator();
m_WeightGenerator = new BoundedBiharmonicWeightsGenerator();
m_OutlineGenerator = new OutlineGenerator();
m_UndoObject = new UndoObject(m_SpriteMeshCache);
m_SpriteMeshController = new SpriteMeshController();
m_SpriteMeshView = new SpriteMeshView(guiWrapper);
m_BindPoseController = new BindPoseController();
m_BindPoseView = new BindPoseView(guiWrapper);
m_RectSelectionTool = new RectSelectionTool(m_SpriteMeshCache);
m_UnselectTool = new UnselectTool(m_SpriteMeshCache);
m_WeightEditor = new WeightEditor();
m_BrushWeightTool = new BrushWeightTool();
m_SliderWeightTool = new SliderWeightTool();
m_WeightInspector = new WeightInspector(m_SpriteMeshCache);
m_BoneInspector = new BoneInspector(m_SpriteMeshCache);
m_MeshPreview = new MeshPreview();
var dataProvider = spriteEditor.GetDataProvider <ISpriteEditorDataProvider>();
var boneProvider = spriteEditor.GetDataProvider <ISpriteBoneDataProvider>();
var spriteMeshProvider = spriteEditor.GetDataProvider <ISpriteMeshDataProvider>();
var spriteRects = dataProvider.GetSpriteRects();
var textureProvider = spriteEditor.GetDataProvider <ITextureDataProvider>();
m_MeshPreview.textureDataProvider = textureProvider;
for (var i = 0; i < spriteRects.Length; i++)
{
var spriteRect = spriteRects[i];
var spriteMeshData = new SpriteMeshData();
spriteMeshData.spriteID = spriteRect.spriteID;
spriteMeshData.frame = spriteRect.rect;
spriteMeshData.pivot = spriteRect.rect.position + Vector2.Scale(spriteRect.rect.size, spriteRect.pivot);
spriteMeshData.bones = MeshModuleUtility.CreateSpriteBoneData(boneProvider.GetBones(spriteRect.spriteID), spriteMeshData.CalculateRootMatrix());
var metaVertices = spriteMeshProvider.GetVertices(spriteRect.spriteID);
foreach (var mv in metaVertices)
{
var v = new Vertex2D(mv.position + spriteRect.rect.position, mv.boneWeight);
spriteMeshData.vertices.Add(v);
}
spriteMeshData.indices = new List <int>(spriteMeshProvider.GetIndices(spriteRect.spriteID));
Vector2Int[] edges = spriteMeshProvider.GetEdges(spriteRect.spriteID);
foreach (var e in edges)
{
spriteMeshData.edges.Add(new Edge(e.x, e.y));
}
m_SpriteMeshCache.AddSpriteMeshData(spriteMeshData);
}
m_WeightEditorWindow = new ModuleWindow(Contents.weightEditor.text, new Rect(0f, 0f, 300f, 195f));
m_WeightEditorWindow.windowGUICallback = WeightEditorInspector;
m_InspectorWindow = new ModuleWindow(Contents.inspector.text, new Rect(0f, 0f, 300f, 95f));
m_GenerateGeometryMenuContents.settings = m_GenerateGeometrySettings;
m_GenerateGeometryMenuContents.onGenerateGeometry = OnGenerateGeometry;
m_BindPoseController.onSkinPreviewChanged += () =>
{
m_MeshPreview.SetSkinningDirty();
};
m_MeshPreview.SetMeshDirty();
m_CachedSpriteMeshData = selectedSpriteMeshData;
}
