// SkinnedMeshAttachment
protected void AddAttachment(Slot slot, WeightedMeshAttachment attachment)
{
var tempVertices = this.tempVertices;
float[] meshUVs = attachment.uvs;
int meshVertexCount = attachment.uvs.Length;
if (tempVertices.Length < meshVertexCount)
{
this.tempVertices = tempVertices = new float[meshVertexCount];
}
attachment.ComputeWorldVertices(slot, tempVertices);
Color color = skeletonColor;
color.r = color.r * attachment.r * slot.r;
color.g = color.g * attachment.g * slot.g;
color.b = color.b * attachment.b * slot.b;
color.a = color.a * attachment.a * slot.a;
if (premultiplyAlpha)
{
color.r *= color.a; color.g *= color.a; color.b *= color.a;
if (slot.data.blendMode == BlendMode.additive)
{
color.a = 0;
}
}
int fv = positions.Count; // first vertex index
for (int ii = 0; ii < meshVertexCount; ii += 2)
{
AddVert(new Vector3(tempVertices[ii], tempVertices[ii + 1]) * scale, color, new Vector2(meshUVs[ii], meshUVs[ii + 1]));
}
var attachmentTriangles = attachment.triangles;
for (int ii = 0, n = attachmentTriangles.Length; ii < n; ii++)
{
indices.Add(attachmentTriangles[ii] + fv);
}
}
public virtual void LateUpdate()
{
if (!valid)
{
return;
}
// Exit early if there is nothing to render
if (!meshRenderer.enabled && submeshRenderers.Length == 0)
{
return;
}
// This method caches several .Items arrays. Whenever it does, there should be no mutations done on the overlying ExposedList object.
// Count vertices and submesh triangles.
int vertexCount = 0;
int submeshTriangleCount = 0, submeshFirstVertex = 0, submeshStartSlotIndex = 0;
Material lastMaterial = null;
ExposedList <Slot> drawOrder = skeleton.drawOrder;
var drawOrderItems = drawOrder.Items;
int drawOrderCount = drawOrder.Count;
int submeshSeparatorSlotsCount = submeshSeparatorSlots.Count;
bool renderMeshes = this.renderMeshes;
// Clear last state of attachments and submeshes
MeshState.SingleMeshState workingState = meshState.buffer;
var workingAttachments = workingState.attachments;
workingAttachments.Clear(true);
workingState.UpdateAttachmentCount(drawOrderCount);
var workingAttachmentsItems = workingAttachments.Items;
var workingFlips = workingState.attachmentsFlipState;
var workingFlipsItems = workingState.attachmentsFlipState.Items;
var workingSubmeshArguments = workingState.addSubmeshArguments; // Items array should not be cached. There is dynamic writing to this object.
workingSubmeshArguments.Clear(false);
MeshState.SingleMeshState storedState = useMesh1 ? meshState.stateMesh1 : meshState.stateMesh2;
var storedAttachments = storedState.attachments;
var storedAttachmentsItems = storedAttachments.Items;
var storedFlips = storedState.attachmentsFlipState;
var storedFlipsItems = storedFlips.Items;
bool mustUpdateMeshStructure = storedState.requiresUpdate || // Force update if the mesh was cleared. (prevents flickering due to incorrect state)
drawOrderCount != storedAttachments.Count || // Number of slots changed (when does this happen?)
immutableTriangles != storedState.immutableTriangles; // Immutable Triangles flag changed.
bool isCustomMaterialsPopulated = customSlotMaterials.Count > 0;
for (int i = 0; i < drawOrderCount; i++)
{
Slot slot = drawOrderItems[i];
Bone bone = slot.bone;
Attachment attachment = slot.attachment;
object rendererObject; // An AtlasRegion in plain Spine-Unity. Spine-TK2D hooks into TK2D's system. eventual source of Material object.
int attachmentVertexCount, attachmentTriangleCount;
// Handle flipping for triangle winding (for lighting?).
bool flip = frontFacing && (bone.WorldSignX != bone.WorldSignY);
workingFlipsItems[i] = flip;
workingAttachmentsItems[i] = attachment;
mustUpdateMeshStructure = mustUpdateMeshStructure || // Always prefer short circuited or. || and not |=.
(attachment != storedAttachmentsItems[i]) || // Attachment order changed. // This relies on the drawOrder.Count != storedAttachments.Count check above as a bounds check.
(flip != storedFlipsItems[i]); // Flip states changed.
var regionAttachment = attachment as RegionAttachment;
if (regionAttachment != null)
{
rendererObject = regionAttachment.RendererObject;
attachmentVertexCount = 4;
attachmentTriangleCount = 6;
}
else
{
if (!renderMeshes)
{
continue;
}
var meshAttachment = attachment as MeshAttachment;
if (meshAttachment != null)
{
rendererObject = meshAttachment.RendererObject;
attachmentVertexCount = meshAttachment.vertices.Length >> 1;
attachmentTriangleCount = meshAttachment.triangles.Length;
}
else
{
var skinnedMeshAttachment = attachment as WeightedMeshAttachment;
if (skinnedMeshAttachment != null)
{
rendererObject = skinnedMeshAttachment.RendererObject;
attachmentVertexCount = skinnedMeshAttachment.uvs.Length >> 1;
attachmentTriangleCount = skinnedMeshAttachment.triangles.Length;
}
else
{
continue;
}
}
}
#if !SPINE_TK2D
// Material material = (Material)((AtlasRegion)rendererObject).page.rendererObject; // For no customSlotMaterials
Material material;
if (isCustomMaterialsPopulated)
{
if (!customSlotMaterials.TryGetValue(slot, out material))
{
material = (Material)((AtlasRegion)rendererObject).page.rendererObject;
}
}
else
{
material = (Material)((AtlasRegion)rendererObject).page.rendererObject;
}
#else
Material material = (rendererObject.GetType() == typeof(Material)) ? (Material)rendererObject : (Material)((AtlasRegion)rendererObject).page.rendererObject;
#endif
// Populate submesh when material changes. (or when forced to separate by a submeshSeparator)
if ((vertexCount > 0 && lastMaterial.GetInstanceID() != material.GetInstanceID()) ||
(submeshSeparatorSlotsCount > 0 && submeshSeparatorSlots.Contains(slot)))
{
workingSubmeshArguments.Add(
new MeshState.AddSubmeshArguments {
material = lastMaterial,
startSlot = submeshStartSlotIndex,
endSlot = i,
triangleCount = submeshTriangleCount,
firstVertex = submeshFirstVertex,
isLastSubmesh = false
}
);
submeshTriangleCount = 0;
submeshFirstVertex = vertexCount;
submeshStartSlotIndex = i;
}
lastMaterial = material;
submeshTriangleCount += attachmentTriangleCount;
vertexCount += attachmentVertexCount;
}
workingSubmeshArguments.Add(
new MeshState.AddSubmeshArguments {
material = lastMaterial,
startSlot = submeshStartSlotIndex,
endSlot = drawOrderCount,
triangleCount = submeshTriangleCount,
firstVertex = submeshFirstVertex,
isLastSubmesh = true
}
);
mustUpdateMeshStructure = mustUpdateMeshStructure ||
this.sharedMaterials.Length != workingSubmeshArguments.Count || // Material array changed in size
CheckIfMustUpdateMeshStructure(workingSubmeshArguments); // Submesh Argument Array changed.
// CheckIfMustUpdateMaterialArray (workingMaterials, sharedMaterials)
if (!mustUpdateMeshStructure)
{
// Narrow phase material array check.
var workingMaterials = workingSubmeshArguments.Items;
for (int i = 0, n = sharedMaterials.Length; i < n; i++)
{
if (this.sharedMaterials[i] != workingMaterials[i].material) // Bounds check is implied above.
{
mustUpdateMeshStructure = true;
break;
}
}
}
// NOT ELSE
if (mustUpdateMeshStructure)
{
this.submeshMaterials.Clear();
var workingSubmeshArgumentsItems = workingSubmeshArguments.Items;
for (int i = 0, n = workingSubmeshArguments.Count; i < n; i++)
{
AddSubmesh(workingSubmeshArgumentsItems[i], workingFlips);
}
// Set materials.
if (submeshMaterials.Count == sharedMaterials.Length)
{
submeshMaterials.CopyTo(sharedMaterials);
}
else
{
sharedMaterials = submeshMaterials.ToArray();
}
meshRenderer.sharedMaterials = sharedMaterials;
}
// Ensure mesh data is the right size.
Vector3[] vertices = this.vertices;
bool newTriangles = vertexCount > vertices.Length;
if (newTriangles)
{
// Not enough vertices, increase size.
this.vertices = vertices = new Vector3[vertexCount];
this.colors = new Color32[vertexCount];
this.uvs = new Vector2[vertexCount];
mesh1.Clear();
mesh2.Clear();
meshState.stateMesh1.requiresUpdate = true;
meshState.stateMesh2.requiresUpdate = true;
}
else
{
// Too many vertices, zero the extra.
Vector3 zero = Vector3.zero;
for (int i = vertexCount, n = meshState.vertexCount; i < n; i++)
{
vertices[i] = zero;
}
}
meshState.vertexCount = vertexCount;
// Setup mesh.
float zSpacing = this.zSpacing;
float[] tempVertices = this.tempVertices;
Vector2[] uvs = this.uvs;
Color32[] colors = this.colors;
int vertexIndex = 0;
Color32 color;
float a = skeleton.a * 255, r = skeleton.r, g = skeleton.g, b = skeleton.b;
Vector3 meshBoundsMin;
Vector3 meshBoundsMax;
if (vertexCount == 0)
{
meshBoundsMin = new Vector3(0, 0, 0);
meshBoundsMax = new Vector3(0, 0, 0);
}
else
{
meshBoundsMin.x = int.MaxValue;
meshBoundsMin.y = int.MaxValue;
meshBoundsMax.x = int.MinValue;
meshBoundsMax.y = int.MinValue;
if (zSpacing > 0f)
{
meshBoundsMin.z = 0f;
meshBoundsMax.z = zSpacing * (drawOrderCount - 1);
}
else
{
meshBoundsMin.z = zSpacing * (drawOrderCount - 1);
meshBoundsMax.z = 0f;
}
int i = 0;
do
{
Slot slot = drawOrderItems[i];
Attachment attachment = slot.attachment;
RegionAttachment regionAttachment = attachment as RegionAttachment;
if (regionAttachment != null)
{
regionAttachment.ComputeWorldVertices(slot.bone, tempVertices);
float z = i * zSpacing;
float x1 = tempVertices[RegionAttachment.X1], y1 = tempVertices[RegionAttachment.Y1];
float x2 = tempVertices[RegionAttachment.X2], y2 = tempVertices[RegionAttachment.Y2];
float x3 = tempVertices[RegionAttachment.X3], y3 = tempVertices[RegionAttachment.Y3];
float x4 = tempVertices[RegionAttachment.X4], y4 = tempVertices[RegionAttachment.Y4];
vertices[vertexIndex].x = x1;
vertices[vertexIndex].y = y1;
vertices[vertexIndex].z = z;
vertices[vertexIndex + 1].x = x4;
vertices[vertexIndex + 1].y = y4;
vertices[vertexIndex + 1].z = z;
vertices[vertexIndex + 2].x = x2;
vertices[vertexIndex + 2].y = y2;
vertices[vertexIndex + 2].z = z;
vertices[vertexIndex + 3].x = x3;
vertices[vertexIndex + 3].y = y3;
vertices[vertexIndex + 3].z = z;
color.a = (byte)(a * slot.a * regionAttachment.a);
color.r = (byte)(r * slot.r * regionAttachment.r * color.a);
color.g = (byte)(g * slot.g * regionAttachment.g * color.a);
color.b = (byte)(b * slot.b * regionAttachment.b * color.a);
if (slot.data.blendMode == BlendMode.additive)
{
color.a = 0;
}
colors[vertexIndex] = color;
colors[vertexIndex + 1] = color;
colors[vertexIndex + 2] = color;
colors[vertexIndex + 3] = color;
float[] regionUVs = regionAttachment.uvs;
uvs[vertexIndex].x = regionUVs[RegionAttachment.X1];
uvs[vertexIndex].y = regionUVs[RegionAttachment.Y1];
uvs[vertexIndex + 1].x = regionUVs[RegionAttachment.X4];
uvs[vertexIndex + 1].y = regionUVs[RegionAttachment.Y4];
uvs[vertexIndex + 2].x = regionUVs[RegionAttachment.X2];
uvs[vertexIndex + 2].y = regionUVs[RegionAttachment.Y2];
uvs[vertexIndex + 3].x = regionUVs[RegionAttachment.X3];
uvs[vertexIndex + 3].y = regionUVs[RegionAttachment.Y3];
// Calculate min/max X
if (x1 < meshBoundsMin.x)
{
meshBoundsMin.x = x1;
}
else if (x1 > meshBoundsMax.x)
{
meshBoundsMax.x = x1;
}
if (x2 < meshBoundsMin.x)
{
meshBoundsMin.x = x2;
}
else if (x2 > meshBoundsMax.x)
{
meshBoundsMax.x = x2;
}
if (x3 < meshBoundsMin.x)
{
meshBoundsMin.x = x3;
}
else if (x3 > meshBoundsMax.x)
{
meshBoundsMax.x = x3;
}
if (x4 < meshBoundsMin.x)
{
meshBoundsMin.x = x4;
}
else if (x4 > meshBoundsMax.x)
{
meshBoundsMax.x = x4;
}
// Calculate min/max Y
if (y1 < meshBoundsMin.y)
{
meshBoundsMin.y = y1;
}
else if (y1 > meshBoundsMax.y)
{
meshBoundsMax.y = y1;
}
if (y2 < meshBoundsMin.y)
{
meshBoundsMin.y = y2;
}
else if (y2 > meshBoundsMax.y)
{
meshBoundsMax.y = y2;
}
if (y3 < meshBoundsMin.y)
{
meshBoundsMin.y = y3;
}
else if (y3 > meshBoundsMax.y)
{
meshBoundsMax.y = y3;
}
if (y4 < meshBoundsMin.y)
{
meshBoundsMin.y = y4;
}
else if (y4 > meshBoundsMax.y)
{
meshBoundsMax.y = y4;
}
vertexIndex += 4;
}
else
{
if (!renderMeshes)
{
continue;
}
MeshAttachment meshAttachment = attachment as MeshAttachment;
if (meshAttachment != null)
{
int meshVertexCount = meshAttachment.vertices.Length;
if (tempVertices.Length < meshVertexCount)
{
this.tempVertices = tempVertices = new float[meshVertexCount];
}
meshAttachment.ComputeWorldVertices(slot, tempVertices);
color.a = (byte)(a * slot.a * meshAttachment.a);
color.r = (byte)(r * slot.r * meshAttachment.r * color.a);
color.g = (byte)(g * slot.g * meshAttachment.g * color.a);
color.b = (byte)(b * slot.b * meshAttachment.b * color.a);
if (slot.data.blendMode == BlendMode.additive)
{
color.a = 0;
}
float[] meshUVs = meshAttachment.uvs;
float z = i * zSpacing;
for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++)
{
float x = tempVertices[ii], y = tempVertices[ii + 1];
vertices[vertexIndex].x = x;
vertices[vertexIndex].y = y;
vertices[vertexIndex].z = z;
colors[vertexIndex] = color;
uvs[vertexIndex].x = meshUVs[ii];
uvs[vertexIndex].y = meshUVs[ii + 1];
if (x < meshBoundsMin.x)
{
meshBoundsMin.x = x;
}
else if (x > meshBoundsMax.x)
{
meshBoundsMax.x = x;
}
if (y < meshBoundsMin.y)
{
meshBoundsMin.y = y;
}
else if (y > meshBoundsMax.y)
{
meshBoundsMax.y = y;
}
}
}
else
{
WeightedMeshAttachment weightedMeshAttachment = attachment as WeightedMeshAttachment;
if (weightedMeshAttachment != null)
{
int meshVertexCount = weightedMeshAttachment.uvs.Length;
if (tempVertices.Length < meshVertexCount)
{
this.tempVertices = tempVertices = new float[meshVertexCount];
}
weightedMeshAttachment.ComputeWorldVertices(slot, tempVertices);
color.a = (byte)(a * slot.a * weightedMeshAttachment.a);
color.r = (byte)(r * slot.r * weightedMeshAttachment.r * color.a);
color.g = (byte)(g * slot.g * weightedMeshAttachment.g * color.a);
color.b = (byte)(b * slot.b * weightedMeshAttachment.b * color.a);
if (slot.data.blendMode == BlendMode.additive)
{
color.a = 0;
}
float[] meshUVs = weightedMeshAttachment.uvs;
float z = i * zSpacing;
for (int ii = 0; ii < meshVertexCount; ii += 2, vertexIndex++)
{
float x = tempVertices[ii], y = tempVertices[ii + 1];
vertices[vertexIndex].x = x;
vertices[vertexIndex].y = y;
vertices[vertexIndex].z = z;
colors[vertexIndex] = color;
uvs[vertexIndex].x = meshUVs[ii];
uvs[vertexIndex].y = meshUVs[ii + 1];
if (x < meshBoundsMin.x)
{
meshBoundsMin.x = x;
}
else if (x > meshBoundsMax.x)
{
meshBoundsMax.x = x;
}
if (y < meshBoundsMin.y)
{
meshBoundsMin.y = y;
}
else if (y > meshBoundsMax.y)
{
meshBoundsMax.y = y;
}
}
}
}
}
} while (++i < drawOrderCount);
}
// Double buffer mesh.
Mesh mesh = useMesh1 ? mesh1 : mesh2;
meshFilter.sharedMesh = mesh;
mesh.vertices = vertices;
mesh.colors32 = colors;
mesh.uv = uvs;
if (mustUpdateMeshStructure)
{
int submeshCount = submeshMaterials.Count;
mesh.subMeshCount = submeshCount;
for (int i = 0; i < submeshCount; ++i)
{
mesh.SetTriangles(submeshes.Items[i].triangles, i);
}
// Done updating mesh.
storedState.requiresUpdate = false;
}
Vector3 meshBoundsExtents = meshBoundsMax - meshBoundsMin;
Vector3 meshBoundsCenter = meshBoundsMin + meshBoundsExtents * 0.5f;
mesh.bounds = new Bounds(meshBoundsCenter, meshBoundsExtents);
if (newTriangles && calculateNormals)
{
Vector3[] normals = new Vector3[vertexCount];
Vector3 normal = new Vector3(0, 0, -1);
for (int i = 0; i < vertexCount; i++)
{
normals[i] = normal;
}
(useMesh1 ? mesh2 : mesh1).vertices = vertices; // Set other mesh vertices.
mesh1.normals = normals;
mesh2.normals = normals;
if (calculateTangents)
{
Vector4[] tangents = new Vector4[vertexCount];
Vector4 tangent = new Vector4(1, 0, 0, -1);
for (int i = 0; i < vertexCount; i++)
{
tangents[i] = tangent;
}
mesh1.tangents = tangents;
mesh2.tangents = tangents;
}
}
// Update previous state
storedState.immutableTriangles = immutableTriangles;
storedAttachments.Clear(true);
storedAttachments.GrowIfNeeded(workingAttachments.Capacity);
storedAttachments.Count = workingAttachments.Count;
workingAttachments.CopyTo(storedAttachments.Items);
storedFlips.GrowIfNeeded(workingFlips.Capacity);
storedFlips.Count = workingFlips.Count;
workingFlips.CopyTo(storedFlips.Items);
storedState.addSubmeshArguments.GrowIfNeeded(workingSubmeshArguments.Capacity);
storedState.addSubmeshArguments.Count = workingSubmeshArguments.Count;
workingSubmeshArguments.CopyTo(storedState.addSubmeshArguments.Items);
// Submesh Renderers
if (submeshRenderers.Length > 0)
{
for (int i = 0; i < submeshRenderers.Length; i++)
{
SkeletonUtilitySubmeshRenderer submeshRenderer = submeshRenderers[i];
if (submeshRenderer.submeshIndex < sharedMaterials.Length)
{
submeshRenderer.SetMesh(meshRenderer, useMesh1 ? mesh1 : mesh2, sharedMaterials[submeshRenderer.submeshIndex]);
}
else
{
submeshRenderer.GetComponent <Renderer>().enabled = false;
}
}
}
useMesh1 = !useMesh1;
}
// SkinnedMeshAttachment
protected void AddAttachment(Slot slot, WeightedMeshAttachment attachment)
{
var tempVertices = this.tempVertices;
float[] meshUVs = attachment.uvs;
int meshVertexCount = attachment.uvs.Length;
if (tempVertices.Length < meshVertexCount)
this.tempVertices = tempVertices = new float[meshVertexCount];
attachment.ComputeWorldVertices(slot, tempVertices);
Color color = skeletonColor;
color.r = color.r * attachment.r * slot.r;
color.g = color.g * attachment.g * slot.g;
color.b = color.b * attachment.b * slot.b;
color.a = color.a * attachment.a * slot.a;
if (premultiplyAlpha) {
color.r *= color.a; color.g *= color.a; color.b *= color.a;
if (slot.data.blendMode == BlendMode.additive) color.a = 0;
}
int fv = positions.Count; // first vertex index
for (int ii = 0; ii < meshVertexCount; ii += 2)
AddVert(new Vector3(tempVertices[ii], tempVertices[ii + 1]) * scale, color, new Vector2(meshUVs[ii], meshUVs[ii + 1]));
var attachmentTriangles = attachment.triangles;
for (int ii = 0, n = attachmentTriangles.Length; ii < n; ii++)
indices.Add(attachmentTriangles[ii] + fv);
}