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);
}
private bool SegmentIntersectsEdge(Vector2 p1, Vector2 p2, int ignoreIndex, ref Vector2 point, out int intersectingEdgeIndex)
{
intersectingEdgeIndex = -1;
float sqrDistance = float.MaxValue;
for (int i = 0; i < spriteMeshData.edges.Count; i++)
{
Edge edge = spriteMeshData.edges[i];
Vector2 v1 = spriteMeshData.vertices[edge.index1].position;
Vector2 v2 = spriteMeshData.vertices[edge.index2].position;
Vector2 pointTmp = Vector2.zero;
if (!edge.Contains(ignoreIndex) && MeshModuleUtility.SegmentIntersection(p1, p2, v1, v2, ref pointTmp))
{
float sqrMagnitude = (pointTmp - p1).sqrMagnitude;
if (sqrMagnitude < sqrDistance)
{
sqrDistance = sqrMagnitude;
intersectingEdgeIndex = i;
point = pointTmp;
}
}
}
return(intersectingEdgeIndex != -1);
}
public static List <SpriteBoneData> CreateSpriteBoneData(List <SpriteBone> spriteBoneList, Matrix4x4 rootMatrix)
{
List <SpriteBoneData> spriteBoneDataList = new List <SpriteBoneData>(spriteBoneList.Count);
foreach (var spriteBone in spriteBoneList)
{
spriteBoneDataList.Add(new SpriteBoneData()
{
name = spriteBone.name,
parentId = spriteBone.parentId,
localPosition = spriteBone.position,
localRotation = spriteBone.rotation,
depth = spriteBone.position.z,
length = spriteBone.length
});
}
Matrix4x4[] localToWorldMatrices = null;
MeshModuleUtility.UpdateLocalToWorldMatrices(spriteBoneDataList, rootMatrix, ref localToWorldMatrices);
for (int i = 0; i < spriteBoneDataList.Count; ++i)
{
var spriteBoneData = spriteBoneDataList[i];
spriteBoneData.position = localToWorldMatrices[i].MultiplyPoint(Vector2.zero);
spriteBoneData.endPosition = localToWorldMatrices[i].MultiplyPoint(Vector2.right * spriteBoneData.length);
}
return(spriteBoneDataList);
}
public void LayoutEdge(Vector2 startPosition, Vector2 endPosition, int index)
{
int controlID = guiWrapper.GetControlID(m_EdgeHashCode, FocusType.Passive);
float distance = guiWrapper.DistanceToSegment(startPosition, endPosition);
guiWrapper.LayoutControl(controlID, distance);
if (guiWrapper.eventType == EventType.Layout)
{
if (guiWrapper.IsControlNearest(controlID))
{
m_HoveredEdge = index;
m_HoveredEdgeControlID = controlID;
}
distance = HandleUtility.DistancePointToLineSegment(MeshModuleUtility.ClampPositionToRect(mouseWorldPosition, frame), startPosition, endPosition);
if (distance < m_MinDistance)
{
m_MinDistance = distance;
m_ClosestEdgeIndex = index;
}
}
}
private void HandleRotateBone()
{
if (bindPoseView.IsActionTriggering(BindPoseAction.RotateBone))
{
m_PreviewChanged = false;
undoObject.RegisterCompleteObjectUndo("Rotate Bone");
UpdateBones();
}
if (bindPoseView.IsActionFinishing(BindPoseAction.RotateBone))
{
m_PreviewChanged = true;
undoObject.RevertAllInCurrentGroup();
UpdateBones();
}
Vector2 lookAtPosition;
if (bindPoseView.DoRotateBone(out lookAtPosition))
{
if (selection.single == -1)
{
throw new ArgumentException("no bone or multiple bone selected");
}
var spriteBoneData = spriteMeshData.bones[selection.single];
var localLookAtPosition = localToWorldMatrices[selection.single].inverse.MultiplyPoint3x4(lookAtPosition);
spriteBoneData.localRotation = MeshModuleUtility.NormalizeQuaternion(spriteBoneData.localRotation * Quaternion.FromToRotation(Vector2.right, localLookAtPosition));
m_PreviewChanged = true;
UpdateBones();
}
}
private void UpdateBindPose()
{
MeshModuleUtility.UpdateLocalToWorldMatrices(spriteMeshData.bones, spriteMeshData.CalculateRootMatrix(), ref m_BindPose);
for (int i = 0; i < m_BindPose.Length; ++i)
{
m_BindPose[i] = m_BindPose[i].inverse;
}
}
private void UpdateBones()
{
MeshModuleUtility.UpdateLocalToWorldMatrices(spriteMeshData.bones, spriteMeshData.CalculateRootMatrix(), ref m_LocalToWorldMatrices);
spriteMeshData.UpdateSpriteBoneDataWorldPosition(m_LocalToWorldMatrices);
if (onSkinPreviewChanged != null)
{
onSkinPreviewChanged.Invoke();
}
}
public override void DoMainGUI()
{
HandleSpriteRectSelectionChange();
DrawGizmos();
SetupElements();
if (m_CachedSpriteMeshData != null)
{
m_MeshPreview.Prepare();
if (m_SpriteMeshCache.mode == Mode.Weights)
{
MeshModuleUtility.DrawMesh(m_MeshPreview.mesh, m_MeshPreview.meterial);
}
m_MeshPreview.DrawTriangles();
if (!m_BindPoseController.inSkinningPreview)
{
EditorGUI.BeginChangeCheck();
m_SpriteMeshController.OnGUI();
if (EditorGUI.EndChangeCheck())
{
m_MeshPreview.SetVerticesDirty();
m_MeshPreview.SetIndicesDirty();
spriteEditor.SetDataModified();
}
}
if (m_SpriteMeshCache.mode == Mode.Weights)
{
m_BindPoseController.DoBoneGUI();
}
m_RectSelectionTool.OnGUI();
m_UnselectTool.OnGUI();
if (m_SpriteMeshCache.mode == Mode.Weights && m_SpriteMeshCache.selectedWeightTool == WeightTool.Brush && m_BindPoseView.hoveredBone == -1)
{
EditorGUI.BeginChangeCheck();
m_BrushWeightTool.OnGUI();
if (EditorGUI.EndChangeCheck())
{
m_MeshPreview.SetWeightsDirty();
spriteEditor.SetDataModified();
}
}
}
}
private void MoveSelectedVertices(Vector2 delta)
{
delta = MeshModuleUtility.MoveRectInsideFrame(CalculateRectFromSelection(), spriteMeshData.frame, delta);
undoObject.RegisterCompleteObjectUndo("Move Vertices");
foreach (int index in selection)
{
Vector2 v = spriteMeshData.vertices[index].position;
spriteMeshData.SetVertexPosition(index, ClampToFrame(v + delta));
}
spriteMeshData.Triangulate(triangulator);
}
private void WeightChannelDrawer(
ref bool isChannelEnabled, ref BoneWeightData boneWeightData,
bool isChannelEnabledMixed = false, bool isBoneIndexMixed = false, bool isWeightMixed = false)
{
EditorGUILayout.BeginHorizontal();
EditorGUIUtility.fieldWidth = 1f;
EditorGUIUtility.labelWidth = 1f;
EditorGUI.showMixedValue = isChannelEnabledMixed;
isChannelEnabled = EditorGUILayout.Toggle(GUIContent.none, isChannelEnabled);
EditorGUIUtility.fieldWidth = 30f;
EditorGUIUtility.labelWidth = 30f;
using (new EditorGUI.DisabledScope(!isChannelEnabled && !isChannelEnabledMixed))
{
int tempBoneIndex = GUI.enabled ? boneWeightData.boneIndex : -1;
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = GUI.enabled && isBoneIndexMixed;
tempBoneIndex = EditorGUILayout.Popup(tempBoneIndex, MeshModuleUtility.GetBoneNameList(spriteMeshData));
if (EditorGUI.EndChangeCheck())
{
boneWeightData.boneIndex = tempBoneIndex;
}
EditorGUIUtility.fieldWidth = 45f;
EditorGUI.showMixedValue = isWeightMixed;
boneWeightData.weight = EditorGUILayout.Slider(GUIContent.none, boneWeightData.weight, 0f, 1f);
}
EditorGUILayout.EndHorizontal();
EditorGUI.showMixedValue = false;
EditorGUIUtility.labelWidth = -1;
EditorGUIUtility.fieldWidth = -1;
}
private Vector2 ClampToFrame(Vector2 position)
{
return(MeshModuleUtility.ClampPositionToRect(position, spriteMeshData.frame));
}
private void CreateVertex(Vector2 position, int edgeIndex)
{
position = MeshModuleUtility.ClampPositionToRect(position, spriteMeshData.frame);
undoObject.RegisterCompleteObjectUndo("Create Vertex");
BoneWeight boneWeight = new BoneWeight();
Vector3Int indices;
Vector3 barycentricCoords;
if (spriteMeshData.FindTriangle(position, out indices, out barycentricCoords))
{
EditableBoneWeight bw1 = spriteMeshData.vertices[indices.x].editableBoneWeight;
EditableBoneWeight bw2 = spriteMeshData.vertices[indices.y].editableBoneWeight;
EditableBoneWeight bw3 = spriteMeshData.vertices[indices.z].editableBoneWeight;
EditableBoneWeight result = new EditableBoneWeight();
foreach (BoneWeightChannel channel in bw1)
{
if (!channel.enabled)
{
continue;
}
BoneWeightData data = channel.boneWeightData;
data.weight *= barycentricCoords.x;
if (data.weight > 0f)
{
result.AddChannel(data, true);
}
}
foreach (BoneWeightChannel channel in bw2)
{
if (!channel.enabled)
{
continue;
}
BoneWeightData data = channel.boneWeightData;
data.weight *= barycentricCoords.y;
if (data.weight > 0f)
{
result.AddChannel(data, true);
}
}
foreach (BoneWeightChannel channel in bw3)
{
if (!channel.enabled)
{
continue;
}
BoneWeightData data = channel.boneWeightData;
data.weight *= barycentricCoords.z;
if (data.weight > 0f)
{
result.AddChannel(data, true);
}
}
result.UnifyChannelsWithSameBoneIndex();
result.FilterChannels(0f);
result.ClampChannels(4, true);
boneWeight = result.ToBoneWeight(true);
}
else if (edgeIndex != -1)
{
Edge edge = spriteMeshData.edges[edgeIndex];
Vector2 pos1 = spriteMeshData.vertices[edge.index1].position;
Vector2 pos2 = spriteMeshData.vertices[edge.index2].position;
Vector2 dir1 = (position - pos1);
Vector2 dir2 = (pos2 - pos1);
float t = Vector2.Dot(dir1, dir2.normalized) / dir2.magnitude;
t = Mathf.Clamp01(t);
BoneWeight bw1 = spriteMeshData.vertices[edge.index1].editableBoneWeight.ToBoneWeight(true);
BoneWeight bw2 = spriteMeshData.vertices[edge.index2].editableBoneWeight.ToBoneWeight(true);
boneWeight = EditableBoneWeightUtility.Lerp(bw1, bw2, t);
}
spriteMeshData.CreateVertex(position, edgeIndex);
spriteMeshData.vertices[spriteMeshData.vertices.Count - 1].editableBoneWeight.SetFromBoneWeight(boneWeight);
spriteMeshData.Triangulate(triangulator);
}
public Vector3 GUIToWorld(Vector2 guiPosition, Vector3 planeNormal, Vector3 planePosition)
{
return(MeshModuleUtility.GUIToWorld(guiPosition, planeNormal, planePosition));
}
public Vector2 GUIToWorld(Vector2 guiPosition)
{
return(MeshModuleUtility.GUIToWorld(guiPosition));
}
public void OnInspectorGUI()
{
Debug.Assert(weightEditor != null);
weightEditor.mode = (WeightEditorMode)EditorGUILayout.EnumPopup(Contents.mode, weightEditor.mode);
if (weightEditor.mode != WeightEditorMode.Smooth)
{
weightEditor.boneIndex = EditorGUILayout.Popup(Contents.selectedBone, weightEditor.boneIndex, MeshModuleUtility.GetBoneNameList(weightEditor.spriteMeshData));
}
weightEditor.autoNormalize = EditorGUILayout.Toggle(Contents.autoNormalize, weightEditor.autoNormalize);
radius = EditorGUILayout.FloatField(Contents.size, radius);
radius = Mathf.Max(1f, radius);
EditorGUIUtility.labelWidth = 70f;
hardness = EditorGUILayout.Slider(Contents.hardness, hardness, 1f, 100f);
step = EditorGUILayout.Slider(Contents.step, step, 1f, 100f);
EditorGUIUtility.labelWidth = 0f;
if (weightEditor.boneIndex == -1 && weightEditor.mode != WeightEditorMode.Smooth)
{
EditorGUILayout.HelpBox(Contents.helpMessage.text, MessageType.Info, true);
}
}
public void OnGUI()
{
m_ControlID = GUIUtility.GetControlID("BrushWeightEditor".GetHashCode(), FocusType.Passive);
EventType eventType = Event.current.GetTypeForControl(controlID);
weightEditor.selection = m_Selection;
m_CircleVertexSelector.vertices = weightEditor.spriteMeshData.vertices;
Vector2 position = MeshModuleUtility.GUIToWorld(Event.current.mousePosition);
if (eventType == EventType.Layout && !Event.current.alt)
{
HandleUtility.AddControl(controlID, 0f);
}
if (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == controlID &&
eventType == EventType.MouseDown && Event.current.button == 0 && !Event.current.alt)
{
GUIUtility.hotControl = controlID;
GUI.changed = true;
m_DeltaAcc = 0f;
m_LastPosition = position;
weightEditor.OnEditStart(true);
OnBrush(hardness / 100f, position);
Event.current.Use();
}
if (GUIUtility.hotControl == controlID && eventType == EventType.MouseUp && Event.current.button == 0)
{
GUIUtility.hotControl = 0;
weightEditor.OnEditEnd();
GUI.changed = true;
Event.current.Use();
}
if (HandleUtility.nearestControl == controlID && Event.current.shift && eventType == EventType.ScrollWheel)
{
float radiusDelta = HandleUtility.niceMouseDeltaZoom * k_WheelRadiusSpeed;
radius = Mathf.Max(1f, radius + radiusDelta);
UpdateSelection(position);
Event.current.Use();
}
if (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == controlID && eventType == EventType.MouseMove)
{
UpdateSelection(position);
Event.current.Use();
}
if (GUIUtility.hotControl == controlID && eventType == EventType.MouseDrag)
{
step = Mathf.Max(step, 1f);
Vector2 delta = position - m_LastPosition;
Vector2 direction = delta.normalized;
Vector2 startPosition = m_LastPosition - direction * m_DeltaAcc;
float magnitude = delta.magnitude;
m_DeltaAcc += magnitude;
if (m_DeltaAcc >= step)
{
Vector2 stepVector = direction * step;
Vector2 currentPosition = startPosition;
while (m_DeltaAcc >= step)
{
currentPosition += stepVector;
OnBrush(hardness / 100f, currentPosition);
m_DeltaAcc -= step;
}
}
m_LastPosition = position;
GUI.changed = true;
Event.current.Use();
}
if ((GUIUtility.hotControl == controlID || (GUIUtility.hotControl == 0 && HandleUtility.nearestControl == controlID)) && eventType == EventType.Repaint)
{
Color oldColor = Handles.color;
Handles.color = Color.white;
if (isSecondaryAction)
{
Handles.color = Color.red;
}
if (GUIUtility.hotControl == controlID)
{
Handles.color = Color.yellow;
}
Handles.DrawWireDisc(position, Vector3.forward, radius);
Handles.color = oldColor;
}
}
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;
}