void FillBoneWeight(BoneWeight2 boneWeight, List <float> weights)
{
boneWeight.weight0 = weights.Max();
boneWeight.boneIndex0 = weights.IndexOf(boneWeight.weight0);
weights[boneWeight.boneIndex0] = 0f;
boneWeight.weight1 = weights.Max();
boneWeight.boneIndex1 = weights.IndexOf(boneWeight.weight1);
weights[boneWeight.boneIndex1] = 0f;
boneWeight.weight2 = weights.Max();
boneWeight.boneIndex2 = weights.IndexOf(boneWeight.weight2);
weights[boneWeight.boneIndex2] = 0f;
boneWeight.weight3 = weights.Max();
boneWeight.boneIndex3 = weights.IndexOf(boneWeight.weight3);
float sum = boneWeight.weight0 +
boneWeight.weight1 +
boneWeight.weight2 +
boneWeight.weight3;
if (sum > 0f)
{
boneWeight.weight0 /= sum;
boneWeight.weight1 /= sum;
boneWeight.weight2 /= sum;
boneWeight.weight3 /= sum;
}
else
{
boneWeight.weight0 = 1f;
}
}
void DoWindow(int windowId)
{
Vertex selectedVertex = spriteMeshCache.selectedVertex;
string[] names = GetBoneNames();
EditorGUIUtility.wideMode = true;
float labelWidth = EditorGUIUtility.labelWidth;
if (selectedVertex != null)
{
BoneWeight2 boneWeight = selectedVertex.boneWeight;
int index0 = boneWeight.boneIndex0;
int index1 = boneWeight.boneIndex1;
int index2 = boneWeight.boneIndex2;
int index3 = boneWeight.boneIndex3;
float weight0 = boneWeight.weight0;
float weight1 = boneWeight.weight1;
float weight2 = boneWeight.weight2;
float weight3 = boneWeight.weight3;
EditorGUIUtility.labelWidth = 30f;
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
index0 = EditorGUILayout.Popup(index0, names, GUILayout.Width(100f));
weight0 = EditorGUILayout.Slider(weight0, 0f, 1f);
if (boneWeight != null && EditorGUI.EndChangeCheck())
{
Undo.RegisterCompleteObjectUndo(spriteMeshCache, "Modify Weights");
boneWeight.SetWeight(0, index0, weight0);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
index1 = EditorGUILayout.Popup(index1, names, GUILayout.Width(100f));
weight1 = EditorGUILayout.Slider(weight1, 0f, 1f);
if (boneWeight != null && EditorGUI.EndChangeCheck())
{
Undo.RegisterCompleteObjectUndo(spriteMeshCache, "Modify Weights");
boneWeight.SetWeight(1, index1, weight1);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
index2 = EditorGUILayout.Popup(index2, names, GUILayout.Width(100f));
weight2 = EditorGUILayout.Slider(weight2, 0f, 1f);
if (boneWeight != null && EditorGUI.EndChangeCheck())
{
Undo.RegisterCompleteObjectUndo(spriteMeshCache, "Modify Weights");
boneWeight.SetWeight(2, index2, weight2);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
index3 = EditorGUILayout.Popup(index3, names, GUILayout.Width(100f));
weight3 = EditorGUILayout.Slider(weight3, 0f, 1f);
if (boneWeight != null && EditorGUI.EndChangeCheck())
{
Undo.RegisterCompleteObjectUndo(spriteMeshCache, "Modify Weights");
boneWeight.SetWeight(3, index3, weight3);
}
EditorGUILayout.EndHorizontal();
}
else
{
int index = spriteMeshCache.bindPoses.IndexOf(spriteMeshCache.selectedBone);
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
index = EditorGUILayout.Popup(index, names, GUILayout.Width(100f));
if (index >= 0 && index < spriteMeshCache.bindPoses.Count)
{
spriteMeshCache.selectedBone = spriteMeshCache.bindPoses[index];
}
EditorGUI.BeginDisabledGroup(spriteMeshCache.selectedBone == null);
if (Event.current.type == EventType.MouseUp ||
Event.current.type == EventType.MouseDown)
{
mLastWeight = 0f;
mWeight = 0f;
}
mWeight = EditorGUILayout.Slider(mLastWeight, -1f, 1f);
if (EditorGUI.EndChangeCheck())
{
Undo.RegisterCompleteObjectUndo(spriteMeshCache, "Modify Weights");
float delta = mWeight - mLastWeight;
mLastWeight = mWeight;
List <Vertex> vertices = spriteMeshCache.selectedVertices;
if (vertices.Count == 0)
{
vertices = spriteMeshCache.texVertices;
}
foreach (Vertex vertex in vertices)
{
BoneWeight2 bw = vertex.boneWeight;
bw.SetBoneIndexWeight(index, bw.GetBoneWeight(index) + delta);
}
}
EditorGUILayout.EndHorizontal();
EditorGUI.EndDisabledGroup();
}
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (GUILayout.Button("Smooth"))
{
Undo.RegisterCompleteObjectUndo(spriteMeshCache, "Smooth Weights");
List <Vertex> targetVertices = spriteMeshCache.texVertices;
if (spriteMeshCache.selectedVertices.Count > 0)
{
targetVertices = spriteMeshCache.selectedVertices;
}
spriteMeshCache.SmoothVertices(targetVertices);
}
if (GUILayout.Button("Auto"))
{
Undo.RegisterCompleteObjectUndo(spriteMeshCache, "Calculate Weights");
List <Vertex> targetVertices = spriteMeshCache.texVertices;
if (spriteMeshCache.selectedVertices.Count > 0)
{
targetVertices = spriteMeshCache.selectedVertices;
}
spriteMeshCache.CalculateAutomaticWeights(targetVertices);
}
GUILayout.FlexibleSpace();
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
EditorGUIUtility.labelWidth = 50f;
overlayColors = EditorGUILayout.Toggle("Overlay", overlayColors);
EditorGUIUtility.labelWidth = 30f;
showPie = EditorGUILayout.Toggle("Pies", showPie);
GUILayout.FlexibleSpace();
EditorGUILayout.EndHorizontal();
EditorGUIUtility.labelWidth = labelWidth;
/*
* boneScrollListPosition = EditorGUILayout.BeginScrollView(boneScrollListPosition);
*
* boneList.DoLayoutList();
*
* EditorGUILayout.EndScrollView();
*/
EatMouseInput(new Rect(0, 0, windowRect.width, windowRect.height));
}
public void SmoothVertices(List <Vertex> targetVertices)
{
float[,] weights = new float[texVertices.Count, bindPoses.Count];
Array.Clear(weights, 0, weights.Length);
List <int> usedIndices = new List <int>();
for (int i = 0; i < texVertices.Count; i++)
{
usedIndices.Clear();
Vertex vertex = texVertices [i];
BoneWeight2 weight = vertex.boneWeight;
weights[i, weight.boneIndex0] = weight.weight0;
usedIndices.Add(weight.boneIndex0);
if (!usedIndices.Contains(weight.boneIndex1))
{
weights[i, weight.boneIndex1] = weight.weight1;
usedIndices.Add(weight.boneIndex1);
}
if (!usedIndices.Contains(weight.boneIndex2))
{
weights[i, weight.boneIndex2] = weight.weight2;
usedIndices.Add(weight.boneIndex2);
}
if (!usedIndices.Contains(weight.boneIndex3))
{
weights[i, weight.boneIndex3] = weight.weight3;
usedIndices.Add(weight.boneIndex3);
}
}
float[] denominator = new float[texVertices.Count];
float[,] smoothedWeights = new float[texVertices.Count, bindPoses.Count];
Array.Clear(smoothedWeights, 0, smoothedWeights.Length);
for (int i = 0; i < indices.Count / 3; ++i)
{
for (int j = 0; j < 3; ++j)
{
int j1 = (j + 1) % 3;
int j2 = (j + 2) % 3;
for (int k = 0; k < bindPoses.Count; ++k)
{
smoothedWeights[indices[i * 3 + j], k] += weights[indices[i * 3 + j1], k] + weights[indices[i * 3 + j2], k];
}
denominator[indices[i * 3 + j]] += 2;
}
}
for (int i = 0; i < texVertices.Count; ++i)
{
for (int j = 0; j < bindPoses.Count; ++j)
{
smoothedWeights[i, j] /= denominator[i];
}
}
float[,] smoothedWeightsTransposed = new float[bindPoses.Count, texVertices.Count];
for (int i = 0; i < texVertices.Count; ++i)
{
for (int j = 0; j < bindPoses.Count; ++j)
{
smoothedWeightsTransposed[j, i] = smoothedWeights[i, j];
}
}
FillBoneWeights(targetVertices, smoothedWeightsTransposed);
isDirty = true;
}