public void Process()
{
stopwatch.Start();
if (neoFurAsset.mesh != lastRebuiltMeshSource)
{
hasPreviousLocalToWorldMatrix = false;
Rebuild();
}
//Any new filters that havent been rebuilt at least once need to be rebuilt.
foreach (var filter in filterList)
{
if (!filter.hasRebuildOnce)
{
filter.Rebuild();
}
}
Shader.SetGlobalFloat("_NeoFur_DeltaTime", neoFurAsset.deltaTime);
Shader.SetGlobalTexture("_NeoFur_PositionTexture", positionTexture);
Shader.SetGlobalTexture("_NeoFur_NormalTexture", normalTexture);
Shader.SetGlobalTexture("_NeoFur_TangentTexture", tangentTexture);
Shader.SetGlobalTexture("_NeoFur_PreviousPositionTexture", previousPositionTexture);
Matrix4x4 localToWorldMatrix = neoFurAsset.renderer.localToWorldMatrix;
Matrix4x4 worldToLocalMatrix = neoFurAsset.renderer.worldToLocalMatrix;
Shader.SetGlobalMatrix("_NeoFur_LocalToWorldMatrix", localToWorldMatrix);
Shader.SetGlobalMatrix("_NeoFur_PreviousLocalToWorldMatrix", previousLocalToWorldMatrix);
Shader.SetGlobalMatrix("_NeoFur_WorldToLocalMatrix", worldToLocalMatrix);
Shader.SetGlobalFloat("_NeoFur_ShellDistance", neoFurAsset.ShellDistanceInMeters);
VertexProcessorUtility.CopyTexture(positionTexture, previousPositionTexture);
VertexProcessorUtility.CopyTexture(basePositionTextureResource.value, positionTexture);
VertexProcessorUtility.CopyTexture(baseNormalTextureResource.value, normalTexture);
VertexProcessorUtility.CopyTexture(baseTangentTextureResource.value, tangentTexture);
foreach (var filter in filterList)
{
filter.Process();
}
previousLocalToWorldMatrix = localToWorldMatrix;
stopwatch.Stop();
lastProcessTime = (float)((double)stopwatch.ElapsedTicks / System.Diagnostics.Stopwatch.Frequency);
stopwatch.Reset();
averageProcessTime = Mathf.Lerp(averageProcessTime, lastProcessTime, 0.01f);
}
public void Rebuild()
{
DestroyResources();
if (!neoFurAsset.mesh)
{
return;
}
baseResourceKey = neoFurAsset.mesh.GetInstanceID().ToString() + "_" + neoFurAsset.data.furSubMeshIndex;
optimizedVertexMapResource = VertexProcessorCache.GetResource <List <int> >(baseResourceKey + "_OptimizedVertexMapResource");
if (optimizedVertexMapResource.value == null)
{
optimizedVertexMapResource.value = new List <int>(neoFurAsset.mesh.vertexCount);
}
unpackedMeshResource = VertexProcessorCache.GetResource <UnpackedMesh>(baseResourceKey + "_UnpackedMesh");
if (unpackedMeshResource.value == null)
{
optimizedVertexMapResource.value.Clear();
unpackedMeshResource.value = VertexProcessorUtility.CreateOptimizedMesh(neoFurAsset.mesh, neoFurAsset.data.furSubMeshIndex, optimizedVertexMapResource.value);
}
int width;
int height;
VertexProcessorUtility.CalculateVertexTextureSize(unpackedMeshResource.value.vertices.Length, out width, out height);
basePositionTextureResource = VertexProcessorCache.GetResource <Texture2D>(baseResourceKey + "_BasePositionTexture");
if (basePositionTextureResource.value == null)
{
basePositionTextureResource.value = new Texture2D(width, height, VertexProcessorUtility.float4TextureFormat, false);
basePositionTextureResource.value.filterMode = FilterMode.Point;
}
baseNormalTextureResource = VertexProcessorCache.GetResource <Texture2D>(baseResourceKey + "_BaseNormalTexture");
if (baseNormalTextureResource.value == null)
{
baseNormalTextureResource.value = new Texture2D(width, height, VertexProcessorUtility.float4TextureFormat, false);
baseNormalTextureResource.value.filterMode = FilterMode.Point;
}
baseTangentTextureResource = VertexProcessorCache.GetResource <Texture2D>(baseResourceKey + "_BaseTangentTexture");
if (baseTangentTextureResource.value == null)
{
baseTangentTextureResource.value = new Texture2D(width, height, VertexProcessorUtility.float4TextureFormat, false);
baseTangentTextureResource.value.filterMode = FilterMode.Point;
}
positionTexture = new RenderTexture(width, height, 0, VertexProcessorUtility.float4RenderTextureFormat);
positionTexture.filterMode = FilterMode.Point;
positionTexture.Create();
normalTexture = new RenderTexture(width, height, 0, VertexProcessorUtility.float4RenderTextureFormat);
normalTexture.filterMode = FilterMode.Point;
normalTexture.Create();
tangentTexture = new RenderTexture(width, height, 0, VertexProcessorUtility.float4RenderTextureFormat);
tangentTexture.filterMode = FilterMode.Point;
tangentTexture.Create();
previousPositionTexture = new RenderTexture(width, height, 0, VertexProcessorUtility.float4RenderTextureFormat);
previousPositionTexture.filterMode = FilterMode.Point;
previousPositionTexture.Create();
//Vector3[] vertices = mesh.vertices;
//Vector3[] normals = mesh.normals;
//Vector4[] tangents = mesh.tangents;
//Vector2[] uv1 = mesh.uv2;
if (unpackedMeshResource.value.uv1s == null || unpackedMeshResource.value.uv1s.Length == 0)
{
unpackedMeshResource.value.uv1s = new Vector2[unpackedMeshResource.value.vertices.Length];
}
Color[] positionPixels = new Color[width * height];
Color[] normalPixels = new Color[width * height];
Color[] tangentPixels = new Color[width * height];
/*
* // get CPs and add to dictionary
* for (int i = 0; i < unpackedMesh.vertices.Length; i++)
* {
* if (!vec3ToVertIndexMap.ContainsKey(unpackedMesh.vertices[i]))
* {
* vec3ToVertIndexMap.Add(unpackedMesh.vertices[i], i);
* }
* }
*
* cpIndexToVertIndex = new int[vec3ToVertIndexMap.Count];
*
* {
* int i = 0;
*
* foreach (var item in vec3ToVertIndexMap)
* {
* cpIndexToVertIndex[i] = item.Value;
++i;
* }
* }
*/
for (int i = 0; i < unpackedMeshResource.value.vertices.Length; i++)
{
int y = i / width;
int x = i % width;
Vector3 vertex = unpackedMeshResource.value.vertices[i];
Vector3 normal = unpackedMeshResource.value.normals[i];
Vector4 tangent = unpackedMeshResource.value.tangents[i];
Color positionColor = new Color(vertex.x, vertex.y, vertex.z, 1);
Color normalColor = new Color(normal.x, normal.y, normal.z, 1);
Color tangentColor = new Color(tangent.x, tangent.y, tangent.z, 1);
positionPixels[i] = positionColor;
normalPixels[i] = normalColor;
tangentPixels[i] = tangentColor;
unpackedMeshResource.value.uv1s[i] = new Vector2((x + 0.5f) / width, (y + 0.5f) / height);
}
meshResource = VertexProcessorCache.GetResource <Mesh>(baseResourceKey + "_Mesh");
if (meshResource.value == null)
{
meshResource.value = unpackedMeshResource.value.ToMesh();
meshResource.value.hideFlags = HideFlags.DontSave;
meshResource.value.bounds = neoFurAsset.mesh.bounds;
}
basePositionTextureResource.value.SetPixels(positionPixels);
baseNormalTextureResource.value.SetPixels(normalPixels);
baseTangentTextureResource.value.SetPixels(tangentPixels);
basePositionTextureResource.value.Apply();
baseNormalTextureResource.value.Apply();
baseTangentTextureResource.value.Apply();
//All filters need to be rebuilt.
foreach (var filter in filterList)
{
filter.Rebuild();
}
lastRebuiltMeshSource = neoFurAsset.mesh;
}