NativeArray<SplinePointMetaData> GetSplinePointMetaData()
{
int pointCount = spline.GetPointCount();
NativeArray<SplinePointMetaData> shapeMetaData = new NativeArray<SplinePointMetaData>(pointCount, Allocator.Temp);
for (int i = 0; i < pointCount; ++i)
{
SplinePointMetaData metaData;
metaData.height = m_Spline.GetHeight(i);
metaData.spriteIndex = (uint)m_Spline.GetSpriteIndex(i);
metaData.cornerMode = (int)m_Spline.GetCornerMode(i);
shapeMetaData[i] = metaData;
}
return shapeMetaData;
}
unsafe JobHandle BakeMesh(bool needUpdateSpriteArrays)
{
JobHandle jobHandle = default;
if (needUpdateSpriteArrays)
{
UpdateSprites();
}
int pointCount = m_Spline.GetPointCount();
if (pointCount < 2)
{
return(jobHandle);
}
NativeArray <ShapeControlPoint> shapePoints = new NativeArray <ShapeControlPoint>(pointCount, Allocator.Temp);
NativeArray <SplinePointMetaData> shapeMetaData = new NativeArray <SplinePointMetaData>(pointCount, Allocator.Temp);
for (int i = 0; i < pointCount; ++i)
{
ShapeControlPoint shapeControlPoint;
shapeControlPoint.position = m_Spline.GetPosition(i);
shapeControlPoint.leftTangent = m_Spline.GetLeftTangent(i);
shapeControlPoint.rightTangent = m_Spline.GetRightTangent(i);
shapeControlPoint.mode = (int)m_Spline.GetTangentMode(i);
shapePoints[i] = shapeControlPoint;
SplinePointMetaData metaData;
metaData.height = m_Spline.GetHeight(i);
metaData.spriteIndex = (uint)m_Spline.GetSpriteIndex(i);
metaData.cornerMode = (int)m_Spline.GetCornerMode(i);
shapeMetaData[i] = metaData;
}
if (spriteShapeRenderer != null && ValidatePoints(shapePoints))
{
bool hasSprites = false;
float smallestWidth = 99999.0f;
foreach (var sprite in m_SpriteArray)
{
if (sprite != null)
{
hasSprites = true;
float pixelWidth = BezierUtility.GetSpritePixelWidth(sprite);
smallestWidth = (smallestWidth > pixelWidth) ? pixelWidth : smallestWidth;
}
}
// Approximate vertex Array Count.
float shapeLength = BezierUtility.BezierLength(shapePoints, splineDetail * splineDetail) * 2.0f;
int adjustWidth = hasSprites ? ((int)(shapeLength / smallestWidth) * 6) + (pointCount * 6 * splineDetail) : 0;
int adjustShape = pointCount * 4 * splineDetail;
adjustShape = optimizeGeometry ? (adjustShape) : (adjustShape * 2);
#if !UNITY_EDITOR
adjustShape = (spriteShape != null && spriteShape.fillTexture != null) ? adjustShape : 0;
#endif
int maxArrayCount = adjustShape + adjustWidth;
// Collider Data
if (m_ColliderData.IsCreated)
{
m_ColliderData.Dispose();
}
m_ColliderData = new NativeArray <float2>(maxArrayCount, Allocator.Persistent);
// Tangent Data
if (!m_TangentData.IsCreated)
{
m_TangentData = new NativeArray <Vector4>(1, Allocator.Persistent);
}
NativeArray <ushort> indexArray;
NativeSlice <Vector3> posArray;
NativeSlice <Vector2> uv0Array;
NativeArray <Bounds> bounds = spriteShapeRenderer.GetBounds();
NativeArray <SpriteShapeSegment> geomArray = spriteShapeRenderer.GetSegments(shapePoints.Length * 8);
NativeSlice <Vector4> tanArray = new NativeSlice <Vector4>(m_TangentData);
if (m_EnableTangents)
{
spriteShapeRenderer.GetChannels(maxArrayCount, out indexArray, out posArray, out uv0Array, out tanArray);
}
else
{
spriteShapeRenderer.GetChannels(maxArrayCount, out indexArray, out posArray, out uv0Array);
}
var spriteShapeJob = new SpriteShapeGenerator()
{
m_Bounds = bounds,
m_PosArray = posArray,
m_Uv0Array = uv0Array,
m_TanArray = tanArray,
m_GeomArray = geomArray,
m_IndexArray = indexArray,
m_ColliderPoints = m_ColliderData
};
spriteShapeJob.Prepare(this, m_ActiveShapeParameters, maxArrayCount, shapePoints, shapeMetaData, m_AngleRangeInfoArray, m_EdgeSpriteArray, m_CornerSpriteArray);
jobHandle = spriteShapeJob.Schedule();
spriteShapeRenderer.Prepare(jobHandle, m_ActiveShapeParameters, m_SpriteArray);
JobHandle.ScheduleBatchedJobs();
}
if (m_DynamicOcclusionOverriden)
{
spriteShapeRenderer.allowOcclusionWhenDynamic = m_DynamicOcclusionLocal;
m_DynamicOcclusionOverriden = false;
}
shapePoints.Dispose();
shapeMetaData.Dispose();
return(jobHandle);
}
