public static void RemoveBone(this EditableBoneWeight editableBoneWeight, int boneIndex)
{
int channelCount = editableBoneWeight.GetChannelCount();
for (int i = 0; i < channelCount; ++i)
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
if (data.boneIndex > boneIndex)
{
data.boneIndex -= 1;
}
else if (data.boneIndex == boneIndex)
{
data.boneIndex = 0;
data.weight = 0f;
editableBoneWeight.EnableChannel(i, false);
}
editableBoneWeight.SetBoneWeightData(i, data);
}
editableBoneWeight.NormalizeChannels();
editableBoneWeight.SortChannels();
}
public static void UnifyChannelsWithSameBoneIndex(this EditableBoneWeight editableBoneWeight)
{
int channelCount = editableBoneWeight.GetChannelCount();
for (int i = 0; i < channelCount; ++i)
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
if (!editableBoneWeight.IsChannelEnabled(i))
{
continue;
}
bool weightChanged = false;
for (int j = i + 1; j < channelCount; ++j)
{
BoneWeightData otherData = editableBoneWeight.GetBoneWeightData(j);
if (otherData.boneIndex == data.boneIndex)
{
weightChanged = true;
data.weight += otherData.weight;
editableBoneWeight.EnableChannel(j, false);
}
}
if (weightChanged)
{
editableBoneWeight.SetBoneWeightData(i, data);
editableBoneWeight.CompensateOtherChannels(i);
}
}
}
public static void ValidateChannels(this EditableBoneWeight editableBoneWeight)
{
for (int channelIndex = 0; channelIndex < editableBoneWeight.GetChannelCount(); ++channelIndex)
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(channelIndex);
if (!editableBoneWeight.IsChannelEnabled(channelIndex))
{
data.weight = 0f;
}
data.weight = Mathf.Clamp01(data.weight);
editableBoneWeight.SetBoneWeightData(channelIndex, data);
}
}
public static void CompensateOtherChannels(this EditableBoneWeight editableBoneWeight, int masterChannelIndex)
{
ValidateChannels(editableBoneWeight);
int validChannelCount = 0;
float sum = 0f;
for (int i = 0; i < editableBoneWeight.GetChannelCount(); ++i)
{
if (i != masterChannelIndex && editableBoneWeight.IsChannelEnabled(i))
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
sum += data.weight;
++validChannelCount;
}
}
if (validChannelCount == 0)
{
return;
}
BoneWeightData channelData = editableBoneWeight.GetBoneWeightData(masterChannelIndex);
float targetSum = 1f - channelData.weight;
for (int i = 0; i < editableBoneWeight.GetChannelCount(); ++i)
{
if (i != masterChannelIndex && editableBoneWeight.IsChannelEnabled(i))
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
if (sum == 0f)
{
data.weight = targetSum / validChannelCount;
}
else
{
data.weight = data.weight * targetSum / sum;
}
editableBoneWeight.SetBoneWeightData(i, data);
}
}
}
private void SetWeight(float value, bool createNewChannel = true)
{
if (boneIndex == -1)
{
return;
}
Debug.Assert(selection != null);
for (int i = 0; i < spriteMeshData.vertices.Count; ++i)
{
if (selection.Count == 0 && emptySelectionEditsAll ||
selection.Count > 0 && selection.IsSelected(i))
{
EditableBoneWeight editableBoneWeight = spriteMeshData.vertices[i].editableBoneWeight;
int channel = editableBoneWeight.GetChannelFromBoneIndex(boneIndex);
if (channel == -1)
{
if (createNewChannel)
{
editableBoneWeight.AddChannel(new BoneWeightData(boneIndex, 0f), true);
channel = editableBoneWeight.GetChannelFromBoneIndex(boneIndex);
}
else
{
continue;
}
}
BoneWeightData data = editableBoneWeight.GetBoneWeightData(channel);
data.weight += value;
editableBoneWeight.SetBoneWeightData(channel, data);
if (editableBoneWeight.GetWeightSum() > 1f)
{
editableBoneWeight.CompensateOtherChannels(channel);
}
editableBoneWeight.FilterChannels(0f);
}
}
}
public static void FilterChannels(this EditableBoneWeight editableBoneWeight, float weightTolerance)
{
int channelCount = editableBoneWeight.GetChannelCount();
for (int i = 0; i < channelCount; ++i)
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
if (data.weight <= weightTolerance)
{
data.boneIndex = 0;
data.weight = 0f;
editableBoneWeight.SetBoneWeightData(i, data);
editableBoneWeight.EnableChannel(i, false);
}
}
}
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 static void NormalizeChannels(this EditableBoneWeight editableBoneWeight)
{
ValidateChannels(editableBoneWeight);
float sum = editableBoneWeight.GetWeightSum();
if (sum == 0f || sum == 1f)
{
return;
}
for (int i = 0; i < editableBoneWeight.GetChannelCount(); ++i)
{
if (editableBoneWeight.IsChannelEnabled(i))
{
BoneWeightData data = editableBoneWeight.GetBoneWeightData(i);
data.weight = data.weight / sum;
editableBoneWeight.SetBoneWeightData(i, data);
}
}
}
