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POUnity3D: Reduce number of bones at runtime
 

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  1. POUnity3D: Reduce number of bones at runtime
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    <p>I am creating something like in the sims where you have a character and you can add different clothes to the character.</p> <p>All the models I use are using the same bones and rig. I have put these models in different asset bundles. At runtime I read the asset bundles and combine these models in one SkinnedMeshRenderer and thus in one object. But every time I add another object the bone count goes up.</p> <p>I know why this is happening, but I would like to reduce the number of bones again. I tried to find the duplicate bones and delete those and the bindpose on the same index as the bone deleted, but this still gives me the error &#34;Number of bindposes doesn&#39;t match number of bones&#34; even though they are both 45.</p> <p>Here is the code that attaches the models:</p> <pre><code>private void UpdateSkinnedMesh() { float startTime = Time.realtimeSinceStartup; // Create a list of for all data List combineInstances = new List(); List materials = new List(); List bones = new List(); Transform[] transforms = baseModel.GetComponentsInChildren(); //TEMP List elements = new List(); elements.Add(body); if(_currentActiveProps.ContainsKey(ItemSubCategory.Skin)) elements.Add(tutu); //Go over all active elements foreach (CharacterElement element in elements) { //Get the skinned mesh renderer SkinnedMeshRenderer smr = element.GetSkinnedMeshRenderer(); //Add materials to the entire list materials.AddRange(smr.materials); //Add all submeshes to a combined mesh for (int sub = 0; sub &lt; smr.sharedMesh.subMeshCount; sub++) { CombineInstance ci = new CombineInstance(); ci.mesh = smr.sharedMesh; ci.subMeshIndex = sub; combineInstances.Add(ci); } //Bones are not saved in asset bundle, get the names and reference them again foreach (string bone in element.GetBoneNames()) { foreach (Transform transform in transforms) { if (transform.name != bone) continue; bones.Add(transform); break; } } //Destroy the temp object Destroy(smr.gameObject); } //Get skinned mesh renderer SkinnedMeshRenderer r = baseModel.GetComponentInChildren(); //Create enew combined mesh r.sharedMesh = new Mesh(); r.sharedMesh.CombineMeshes(combineInstances.ToArray(), false, false); //Add bones and materials r.bones = bones.ToArray(); r.materials = materials.ToArray(); Debug.Log("Bindposes: " + r.sharedMesh.bindposes.Length); Debug.Log("Generating character took: " + (Time.realtimeSinceStartup - startTime) * 1000 + " ms"); Debug.Log("Bone count: " + r.bones.Length); } </code></pre> <p>I already have asked the question on Unity Answers, but because it takes a few hours before a moderator approves the question, I wanted to try here as well.</p>
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