public override void Init(GPUSkinning gpuSkinning)
{
base.Init(gpuSkinning);
shaderPropID_Matrices = Shader.PropertyToID("_Matrices");
matricesUniformBlock = new Matrix4x4[gpuSkinning.GetComponentInChildren <SkinnedMeshRenderer>().bones.Length];
}
public override void Init(GPUSkinning gpuSkinning)
{
base.Init(gpuSkinning);
shaderPropID_Time = Shader.PropertyToID("_GameTime");
smr = gpuSkinning.GetComponentInChildren <SkinnedMeshRenderer>();
mesh = smr.sharedMesh;
// Init Bones
int numBones = smr.bones.Length;
bones = new GPUSkinning_Bone[numBones];
for (int i = 0; i < numBones; ++i)
{
GPUSkinning_Bone bone = new GPUSkinning_Bone();
bones[i] = bone;
bone.transform = smr.bones[i];
bone.name = bone.transform.gameObject.name;
bone.bindpose = mesh.bindposes[i] /*smr to bone*/;
}
// Construct Hierarchy
for (int i = 0; i < numBones; ++i)
{
if (bones[i].transform == smr.rootBone)
{
rootBoneIndex = i;
break;
}
}
System.Action <GPUSkinning_Bone> CollectChildren = null;
CollectChildren = (currentBone) =>
{
List <GPUSkinning_Bone> children = new List <GPUSkinning_Bone>();
for (int j = 0; j < currentBone.transform.childCount; ++j)
{
Transform childTransform = currentBone.transform.GetChild(j);
GPUSkinning_Bone childBone = GetBoneByTransform(childTransform);
if (childBone != null)
{
childBone.parent = currentBone;
children.Add(childBone);
CollectChildren(childBone);
}
}
currentBone.children = children.ToArray();
};
CollectChildren(bones[rootBoneIndex]);
// New MeshFilter MeshRenderer
mf = gpuSkinning.gameObject.AddComponent <MeshFilter>();
mr = gpuSkinning.gameObject.AddComponent <MeshRenderer>();
newMtrl = new Material(Shader.Find("Unlit/GPUSkinning"));
newMtrl.CopyPropertiesFromMaterial(smr.sharedMaterial);
mr.sharedMaterial = newMtrl;
// New Mesh
newMesh = new Mesh();
newMesh.vertices = mesh.vertices;
newMesh.tangents = GPUSkinningUtil.ExtractBoneWeights(mesh);
newMesh.uv = mesh.uv;
newMesh.triangles = mesh.triangles;
mf.sharedMesh = newMesh;
#if UNITY_EDITOR
// Extract bone animation data
int boneAnimationsCount = 0;
boneAnimations = new GPUSkinning_BoneAnimation[gpuSkinning.GetComponent <Animator>().runtimeAnimatorController.animationClips.Length];
foreach (AnimationClip animClip in gpuSkinning.GetComponent <Animator>().runtimeAnimatorController.animationClips)
{
GPUSkinning_BoneAnimation boneAnimation = ScriptableObject.CreateInstance <GPUSkinning_BoneAnimation>();
boneAnimation.fps = 60;
boneAnimation.animName = animClip.name;
boneAnimation.frames = new GPUSkinning_BoneAnimationFrame[(int)(animClip.length * boneAnimation.fps)];
boneAnimation.length = animClip.length;
boneAnimations[boneAnimationsCount++] = boneAnimation;
for (int frameIndex = 0; frameIndex < boneAnimation.frames.Length; ++frameIndex)
{
GPUSkinning_BoneAnimationFrame frame = new GPUSkinning_BoneAnimationFrame();
boneAnimation.frames[frameIndex] = frame;
float second = (float)(frameIndex) / (float)boneAnimation.fps;
List <GPUSkinning_Bone> bones2 = new List <GPUSkinning_Bone>();
List <Matrix4x4> matrices = new List <Matrix4x4>();
List <string> bonesHierarchyNames = null; if (boneAnimation.bonesHierarchyNames == null)
{
bonesHierarchyNames = new List <string>();
}
EditorCurveBinding[] curvesBinding = AnimationUtility.GetCurveBindings(animClip);
foreach (var curveBinding in curvesBinding)
{
GPUSkinning_Bone bone = GetBoneByHierarchyName(curveBinding.path);
if (bones2.Contains(bone))
{
continue;
}
bones2.Add(bone);
if (bonesHierarchyNames != null)
{
bonesHierarchyNames.Add(GetBoneHierarchyName(bone));
}
AnimationCurve curveRX = AnimationUtility.GetEditorCurve(animClip, curveBinding.path, curveBinding.type, "m_LocalRotation.x");
AnimationCurve curveRY = AnimationUtility.GetEditorCurve(animClip, curveBinding.path, curveBinding.type, "m_LocalRotation.y");
AnimationCurve curveRZ = AnimationUtility.GetEditorCurve(animClip, curveBinding.path, curveBinding.type, "m_LocalRotation.z");
AnimationCurve curveRW = AnimationUtility.GetEditorCurve(animClip, curveBinding.path, curveBinding.type, "m_LocalRotation.w");
AnimationCurve curvePX = AnimationUtility.GetEditorCurve(animClip, curveBinding.path, curveBinding.type, "m_LocalPosition.x");
AnimationCurve curvePY = AnimationUtility.GetEditorCurve(animClip, curveBinding.path, curveBinding.type, "m_LocalPosition.y");
AnimationCurve curvePZ = AnimationUtility.GetEditorCurve(animClip, curveBinding.path, curveBinding.type, "m_LocalPosition.z");
float curveRX_v = curveRX.Evaluate(second);
float curveRY_v = curveRY.Evaluate(second);
float curveRZ_v = curveRZ.Evaluate(second);
float curveRW_v = curveRW.Evaluate(second);
float curvePX_v = curvePX.Evaluate(second);
float curvePY_v = curvePY.Evaluate(second);
float curvePZ_v = curvePZ.Evaluate(second);
Vector3 translation = new Vector3(curvePX_v, curvePY_v, curvePZ_v);
Quaternion rotation = new Quaternion(curveRX_v, curveRY_v, curveRZ_v, curveRW_v);
NormalizeQuaternion(ref rotation);
matrices.Add(
Matrix4x4.TRS(translation, rotation, Vector3.one)
);
}
frame.bones = bones2.ToArray();
frame.matrices = matrices.ToArray();
if (boneAnimation.bonesHierarchyNames == null)
{
boneAnimation.bonesHierarchyNames = bonesHierarchyNames.ToArray();
}
}
}
// Save as ScriptableObject
AssetDatabase.CreateAsset(boneAnimations[0], "Assets/GPUSkinning/Resources/anim0.asset");
AssetDatabase.Refresh();
#else
// Read from ScriptableObject directly
boneAnimations = new GPUSkinning_BoneAnimation[] { Resources.Load("anim0") as GPUSkinning_BoneAnimation };
foreach (var boneAnimation in boneAnimations)
{
foreach (var frame in boneAnimation.frames)
{
int numBones2 = boneAnimation.bonesHierarchyNames.Length;
frame.bones = new GPUSkinning_Bone[numBones2];
for (int i = 0; i < numBones2; ++i)
{
frame.bones[i] = GetBoneByHierarchyName(boneAnimation.bonesHierarchyNames[i]);
}
}
}
#endif
// Spawn many models
if (spawnPoints != null)
{
List <GPUSkinning_SpawnObject> list = new List <GPUSkinning_SpawnObject>();
for (int i = 0; i < spawnPoints.Length; ++i)
{
for (int j = 0; j < spawnPoints[i].childCount; ++j)
{
GPUSkinning_SpawnObject spawnObject = new GPUSkinning_SpawnObject();
list.Add(spawnObject);
spawnObject.transform = spawnPoints[i].GetChild(j);
spawnObject.mf = spawnObject.transform.gameObject.AddComponent <MeshFilter>();
spawnObject.mr = spawnObject.transform.gameObject.AddComponent <MeshRenderer>();
spawnObject.mr.sharedMaterial = newMtrl;
spawnObject.mf.sharedMesh = newMesh;
}
}
spawnObjects = list.ToArray();
}
}