public void BuildBoneIdx2DGOMapIfNecessary(int[] _goToDelete)
{
_didSetup = false;
if (combiner.settings.renderType == MB_RenderType.skinnedMeshRenderer)
{
if (_goToDelete.Length > 0)
{
boneIdx2dgoMap = _buildBoneIdx2dgoMap();
}
for (int i = 0; i < combiner.bones.Length; i++)
{
BoneAndBindpose bn = new BoneAndBindpose(combiner.bones[i], combiner.bindPoses[i]);
boneAndBindPose2idx.Add(bn, i);
//myBone2idx.Add(combiner.bones[i], i);
}
_didSetup = true;
}
}
public bool CollectBonesToAddForDGO(MB_DynamicGameObject dgo, Renderer r, bool noExtraBonesForMeshRenderers, MeshChannelsCache meshChannelCache)
{
bool success = true;
Debug.Assert(_didSetup, "Need to setup first.");
Debug.Assert(combiner.settings.renderType == MB_RenderType.skinnedMeshRenderer);
// We could be working with adding and deleting smr body parts from the same rig. Different smrs will share
// the same bones.
//cache the bone data that we will be adding.
Matrix4x4[] dgoBindPoses = dgo._tmpSMR_CachedBindposes = meshChannelCache.GetBindposes(r, out dgo.isSkinnedMeshWithBones);
BoneWeight[] dgoBoneWeights = dgo._tmpSMR_CachedBoneWeights = meshChannelCache.GetBoneWeights(r, dgo.numVerts, dgo.isSkinnedMeshWithBones);
Transform[] dgoBones = dgo._tmpSMR_CachedBones = combiner._getBones(r, dgo.isSkinnedMeshWithBones);
for (int i = 0; i < dgoBones.Length; i++)
{
if (dgoBones[i] == null)
{
Debug.LogError("Source mesh r had a 'null' bone. Bones must not be null: " + r);
success = false;
}
}
if (!success)
{
return(success);
}
if (noExtraBonesForMeshRenderers)
{
if (MB_Utility.GetRenderer(dgo.gameObject) is MeshRenderer)
{
// We are visiting a single dgo which is a MeshRenderer.
// It may be the child decendant of a bone in another skinned mesh that is being baked or is already in the combined mesh. We need to find that bone if it exists.
// We need to check our parent ancestors and search the bone lists of the other dgos being added or previously baked looking for bones that may have been added
Debug.Assert(dgoBones.Length == 1 && dgoBindPoses.Length == 1);
// find and cache the parent bone for this MeshRenderer (it may not be the transform.parent)
bool foundBoneParent = false;
BoneAndBindpose boneParent = new BoneAndBindpose();
{
Transform t = dgo.gameObject.transform.parent;
while (t != null)
{
// Look for parent peviously baked in the combined mesh.
foreach (BoneAndBindpose b in boneAndBindPose2idx.Keys)
{
if (b.bone == t)
{
boneParent = b;
foundBoneParent = true;
break;
}
}
// Look for parent in something we are adding.
foreach (BoneAndBindpose b in bonesToAdd)
{
if (b.bone == t)
{
boneParent = b;
foundBoneParent = true;
break;
}
}
if (foundBoneParent)
{
break;
}
else
{
t = t.parent;
}
}
}
if (foundBoneParent)
{
dgoBones[0] = boneParent.bone;
dgoBindPoses[0] = boneParent.bindPose;
}
}
}
// The mesh being added may not use all bones on the rig. Find the bones actually used.
int[] usedBoneIdx2srcMeshBoneIdx;
{
/*
* HashSet<int> usedBones = new HashSet<int>();
* for (int j = 0; j < dgoBoneWeights.Length; j++)
* {
* usedBones.Add(dgoBoneWeights[j].boneIndex0);
* usedBones.Add(dgoBoneWeights[j].boneIndex1);
* usedBones.Add(dgoBoneWeights[j].boneIndex2);
* usedBones.Add(dgoBoneWeights[j].boneIndex3);
* }
*
* usedBoneIdx2srcMeshBoneIdx = new int[usedBones.Count];
* usedBones.CopyTo(usedBoneIdx2srcMeshBoneIdx);
*/
}
{
usedBoneIdx2srcMeshBoneIdx = new int[dgoBones.Length];
for (int i = 0; i < usedBoneIdx2srcMeshBoneIdx.Length; i++)
{
usedBoneIdx2srcMeshBoneIdx[i] = i;
}
}
// For each bone see if it exists in the bones array (with the same bindpose.).
// We might be baking several skinned meshes on the same rig. We don't want duplicate bones in the bones array.
for (int i = 0; i < dgoBones.Length; i++)
{
bool foundInBonesList = false;
int bidx;
int dgoBoneIdx = usedBoneIdx2srcMeshBoneIdx[i];
BoneAndBindpose bb = new BoneAndBindpose(dgoBones[dgoBoneIdx], dgoBindPoses[dgoBoneIdx]);
if (boneAndBindPose2idx.TryGetValue(bb, out bidx))
{
if (dgoBones[dgoBoneIdx] == combiner.bones[bidx] &&
!boneIdxsToDelete.Contains(bidx) &&
dgoBindPoses[dgoBoneIdx] == combiner.bindPoses[bidx])
{
foundInBonesList = true;
}
}
if (!foundInBonesList)
{
if (!bonesToAdd.Contains(bb))
{
bonesToAdd.Add(bb);
}
}
}
dgo._tmpSMRIndexesOfSourceBonesUsed = usedBoneIdx2srcMeshBoneIdx;
return(success);
}