private static void SanityCheckVersusReplacementBrush(Stroke oldStroke)
{
BrushDescriptor desc = BrushCatalog.m_Instance.GetBrush(oldStroke.m_BrushGuid);
BrushDescriptor replacementDesc = desc.m_Supersedes;
if (replacementDesc == null)
{
return;
}
// Make a copy, since Begin/EndLineFromMemory mutate little bits of MemoryBrushStroke
Stroke newStroke = new Stroke {
m_BrushGuid = replacementDesc.m_Guid,
m_IntendedCanvas = oldStroke.Canvas,
m_ControlPoints = oldStroke.m_ControlPoints,
m_BrushScale = oldStroke.m_BrushScale,
m_BrushSize = oldStroke.m_BrushSize,
m_Color = oldStroke.m_Color,
m_Seed = oldStroke.m_Seed
};
Array.Copy(oldStroke.m_ControlPointsToDrop, newStroke.m_ControlPointsToDrop,
oldStroke.m_ControlPointsToDrop.Length);
newStroke.Recreate(TrTransform.T(new Vector3(0.5f, 0, 0)));
}
public void SetBrushForAllPointers(BrushDescriptor desc)
{
for (int i = 0; i < m_NumActivePointers; ++i)
{
m_Pointers[i].m_Script.SetBrush(desc);
}
}
/// Creates and returns a new subset containing the passed geometry.
/// Pass:
/// brush - Selects the material/batch
/// nVerts - Amount to copy from the MasterBrush
/// nTris - Amount to copy from MasterBrush.m_Tris
public BatchSubset CreateSubset(BrushDescriptor brush, int nVerts, int nTris, MasterBrush geometry)
{
var pool = GetPool(brush);
var batch = GetBatch(pool, nVerts);
return(batch.AddSubset(nVerts, nTris, geometry));
}
/// Creates and returns a new subset containing the passed geometry.
/// Pass:
/// brush - Selects the material/batch
/// nVerts - Amount to copy from the MasterBrush
public BatchSubset CreateSubset(BrushDescriptor brush, GeometryPool geometry)
{
var pool = GetPool(brush);
var batch = GetBatch(pool, geometry.NumVerts);
return(batch.AddSubset(geometry));
}
//
// GeometryBrush API
//
protected override void InitBrush(BrushDescriptor desc, TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
m_geometry.Layout = GetVertexLayout(desc);
if (m_ShapeModifier != ShapeModifier.None)
{
m_Displacements = new List <Vector3>();
}
if (m_HardEdges)
{
// Break verts along every seam
m_VertsInClosedCircle = m_PointsInClosedCircle * 2;
}
else
{
// Only break a single vert to allow for proper UV unwrapping
m_VertsInClosedCircle = m_PointsInClosedCircle + 1;
}
if (m_EndCaps)
{
m_VertsInCap = m_PointsInClosedCircle;
}
else
{
m_VertsInCap = 0;
}
// Start and end of circle are coincident, and need at least one more point.
Debug.Assert(m_PointsInClosedCircle > 2);
// Make sure the number of verts per knot are less than the upper bound
Debug.Assert(m_VertsInClosedCircle <= kUpperBoundVertsPerKnot);
}
// Finishes initializing the passed PbChild, and adds to children array
protected void InitializeAndAddChild(
PbChild child,
BrushDescriptor desc, Color color, float relativeSize = 1)
{
Debug.Assert(child.m_brush == null);
TrTransform childXf = child.CalculateChildXfFixedScale(m_knots);
BaseBrushScript brush = Create(
transform.parent, childXf, desc, color, m_BaseSize_PS * relativeSize);
ParentBrush pb = brush as ParentBrush;
string originalName = brush.gameObject.name;
string newName;
if (pb != null)
{
newName = string.Format("{0}.{1}", gameObject.name, m_children.Count);
}
else
{
newName = string.Format(
"{0}.{1} (Leaf {2})", gameObject.name, m_children.Count, originalName);
}
brush.gameObject.name = newName;
if (pb != null)
{
pb.m_recursionLevel = m_recursionLevel + 1;
}
child.m_brush = brush;
m_children.Add(child);
}
protected override void InitBrush(BrushDescriptor desc, TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
SetDoubleSided(desc);
m_DecayTimers.Clear();
m_geometry.Layout = GetVertexLayout(desc);
}
protected override void InitBrush(BrushDescriptor desc, TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
SetDoubleSided(desc);
m_geometry.Layout = GetVertexLayout(desc);
CreateVerticesFromKnots(0);
}
public GameObject BeginLineFromMemory(Stroke stroke, CanvasScript canvas)
{
BrushDescriptor rBrush = BrushCatalog.m_Instance.GetBrush(stroke.m_BrushGuid);
if (rBrush == null)
{
// Ignore stroke
return(null);
}
if (m_PreviewLight)
{
m_PreviewLight.enabled = false;
}
var cp0 = stroke.m_ControlPoints[0];
var xf_CS = TrTransform.TRS(cp0.m_Pos, cp0.m_Orient, stroke.m_BrushScale);
var xf_RS = canvas.Pose * xf_CS;
// This transform used to be incorrect, but we didn't notice.
// That implies this isn't necessary?
transform.position = xf_RS.translation;
transform.rotation = xf_RS.rotation;
m_CurrentBrush = rBrush;
m_CurrentBrushSize = stroke.m_BrushSize;
m_CurrentPressure = cp0.m_Pressure;
m_CurrentColor = stroke.m_Color;
CreateNewLine(canvas, xf_CS, null);
m_CurrentLine.SetIsLoading();
m_CurrentLine.RandomSeed = stroke.m_Seed;
return(m_CurrentLine.gameObject);
}
protected override void InitBrush(BrushDescriptor desc, TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
m_QuadLengths = new float[m_NumQuads];
// m_TotalStrokeLength = 0.0f;
m_UpdateUVRequest.Clear();
}
public void SetBrush(BrushDescriptor rBrush)
{
if (rBrush != null && rBrush != m_CurrentBrush)
{
m_BrushSizeRange = rBrush.m_BrushSizeRange;
if (m_LastUsedBrushSize_CS != null)
{
BrushSizeAbsolute = Coords.CanvasPose.scale * m_LastUsedBrushSize_CS.Value;
}
else
{
BrushSize01 = 0.5f;
}
MarkBrushSizeUsed();
DisablePreviewLine();
SetTintableIntensity(rBrush);
UpdateTintableRenderers();
OnBrushChange(rBrush);
}
m_CurrentBrush = rBrush;
ResetAudio();
}
/// Creates and returns a BatchSubset in the passed Canvas.
/// If stroke contains too many CPs to fit, it will be cut short.
/// This differs from what TB does, which is to create multiple subsets.
public static BatchSubset CreateSubsetFromStroke(CanvasScript canvas, Stroke stroke)
{
// See PointerScript.RecreateLineFromMemory
BrushDescriptor desc = BrushCatalog.m_Instance.GetBrush(stroke.m_BrushGuid);
var cp0 = stroke.m_ControlPoints[0];
var xf0 = TrTransform.TRS(cp0.m_Pos, cp0.m_Orient, stroke.m_BrushScale);
BaseBrushScript bbs = BaseBrushScript.Create(
canvas.transform, xf0, desc, stroke.m_Color, stroke.m_BrushSize);
try
{
bbs.SetIsLoading();
Assert.True(bbs.Canvas != null);
foreach (var cp in stroke.m_ControlPoints)
{
bbs.UpdatePosition_LS(
TrTransform.TRS(cp.m_Pos, cp.m_Orient, stroke.m_BrushScale), cp.m_Pressure);
}
return(bbs.FinalizeBatchedBrush());
}
finally
{
UnityEngine.Object.DestroyImmediate(bbs.gameObject);
}
}
protected override void InitBrush(BrushDescriptor desc, TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
m_bM11Compatibility = desc.m_M11Compatibility;
m_geometry = GeometryPool.Allocate();
m_knots.Clear();
Vector3 pos = localPointerXf.translation;
Quaternion ori = localPointerXf.rotation;
Knot knot = new Knot
{
point = new PointerManager.ControlPoint
{
m_Pos = pos,
m_Orient = ori,
m_Pressure = 1
},
length = 0,
smoothedPos = pos
};
m_knots.Add(knot);
m_knots.Add(knot);
MeshFilter mf = GetComponent <MeshFilter>();
mf.mesh = null; // Force a new, empty, mf-owned mesh to be generated
mf.mesh.MarkDynamic();
}
// Returns the name used for TBT assets that are created per-brush.
// Ideally, this name should be both determinsitic and non-colliding.
//
// Note that even if 2 TB brushes reference the same .mat, TBT contains
// 1 .mat per brush.
static string GetCreatedAssetNameForBrush(BrushDescriptor desc)
{
// New behavior for TBT15 and above: To handle the double-sided/single-sided fiasco,
// use .asset/.mat names guaranteed not to conflict with previous brush versions' names.
// Older brushes use the same old (rubbish) names.
float creationVersion;
if (!float.TryParse(desc.m_CreationVersion, out creationVersion))
{
throw new ExportFailedException(
"{0}: TBT brushes must have a valid creationVersion", desc.name);
}
else
{
int creationMajorVersion = (int)creationVersion;
if (creationMajorVersion >= 15 || desc.name.EndsWith("SingleSided"))
{
return(string.Format("{0}_{1}", desc.m_DurableName, creationMajorVersion));
}
else
{
// Legacy. Would be better if this were something that couldn't accidentally
// change (eg, desc.m_DurableName); but that would change the legacy behavior
// since desc.m_DurableName has already fallen out of sync with desc.name.
// But a future motivated person could bake desc.name into some new field
// eg BrushDescriptor.m_TbtExportBaseName.
return(desc.name);
}
}
}
override public GeometryPool.VertexLayout GetVertexLayout(BrushDescriptor desc)
{
return(new GeometryPool.VertexLayout {
bUseColors = true,
bUseNormals = true,
bUseTangents = false,
});
}
//
// GeometryBrush API
//
protected override void InitBrush(BrushDescriptor desc, TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
Debug.Assert(!desc.m_RenderBackfaces); // unsupported
m_geometry.Layout = GetVertexLayout(desc);
FixInitialKnotSize();
CreateVerticesFromKnots(0);
}
//
// GeometryBrush API
//
protected override void InitBrush(BrushDescriptor desc,
TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
SetDoubleSided(desc);
m_geometry.Layout = GetVertexLayout(desc);
m_sizes = new List <float>();
}
static void WriteBrush(JsonWriter json, BrushDescriptor brush) {
json.WriteStartObject();
json.WritePropertyName("name");
json.WriteValue(brush.name);
json.WritePropertyName("guid");
json.WriteValue(brush.m_Guid.ToString("D"));
json.WriteEndObject();
}
override public GeometryPool.VertexLayout GetVertexLayout(BrushDescriptor desc)
{
return(new GeometryPool.VertexLayout {
uv0Size = 3,
uv1Size = 4,
bUseNormals = true,
bUseColors = true,
});
}
public void TriggerStrokeSelected(Stroke stroke) {
if (stroke != null) {
m_ActiveBrush = BrushCatalog.m_Instance.GetBrush(stroke.m_BrushGuid);
}
if (StrokeSelected != null) {
StrokeSelected(stroke);
}
}
public void SetBrushToDefault()
{
m_ActiveBrush = BrushCatalog.m_Instance.DefaultBrush;
if (BrushSetToDefault != null)
{
BrushSetToDefault();
}
}
public override GeometryPool.VertexLayout GetVertexLayout(BrushDescriptor desc) {
return new GeometryPool.VertexLayout {
uv0Size = 2,
uv0Semantic = GeometryPool.Semantic.XyIsUv,
bUseNormals = true,
bUseColors = true,
bUseTangents = false
};
}
override public GeometryPool.VertexLayout GetVertexLayout(BrushDescriptor desc)
{
return(new GeometryPool.VertexLayout {
// Don't use UVs, but don't want to write another shader that doesn't sample
uv0Size = 2,
bUseNormals = true,
bUseColors = true,
});
}
/// Returns a serialized ToolkitBrushDescriptor suitable for inclusion in the Toolkit
public static string CreateAndSerialize(
BrushDescriptor desc, Guid materialGuid, string assetName, out string meta)
{
ToolkitBrushDescriptor tkdesc = CreateFrom(desc);
string yaml = SerializeToUnityString(tkdesc, assetName, out meta);
yaml = ChangeToToolkitScript(yaml);
yaml = SetMaterialGuid(yaml, materialGuid);
return(yaml);
}
// Passed transform is relative to the stroke
protected virtual void InitBrush(BrushDescriptor desc, TrTransform localPointerXf)
{
Debug.Assert(m_BaseSize_PS != 0, "Set size and color first");
m_Desc = desc;
GetComponent <Renderer>().material = m_Desc.Material;
m_EnableBackfaces = desc.m_RenderBackfaces;
m_rng = new StatelessRng(MathUtils.RandomInt());
m_LastSpawnXf = localPointerXf;
}
public float GenerateJitteredSize(BrushDescriptor desc, float currentSize)
{
float range = desc.m_BrushSizeRange.y - desc.m_BrushSizeRange.x;
float sizeJitter = PointerManager.m_Instance.sizeJitter;
float jitterValue = Random.Range(-sizeJitter * range, sizeJitter * range) * 0.5f;
float jitteredBrushSize = currentSize + jitterValue;
jitteredBrushSize = Mathf.Clamp(jitteredBrushSize, desc.m_BrushSizeRange.x, desc.m_BrushSizeRange.y);
return(jitteredBrushSize);
}
protected override void InitBrush(BrushDescriptor desc,
TrTransform localPointerXf)
{
base.InitBrush(desc, localPointerXf);
Shader.SetGlobalFloat("_GeniusParticlePreviewLifetime", kPreviewDuration);
m_DecayTimers.Clear();
m_geometry.Layout = GetVertexLayout(desc);
m_SpawnInterval = (kSpawnInterval_PS * POINTER_TO_LOCAL) / m_Desc.m_ParticleRate;
m_ParticleSizeScale = m_Desc.m_ParticleSpeed / m_Desc.m_BrushSizeRange.x;
}
public override GeometryPool.VertexLayout GetVertexLayout(BrushDescriptor desc) {
// XXX: This doesn't work because blocks models may not always have the same vertex layout.
// It happens to work currently.
var layout = new GeometryPool.VertexLayout();
layout.bUseColors = true;
layout.bUseNormals = true;
layout.bUseTangents = false;
layout.bUseVertexIds = false;
return layout;
}
override public GeometryPool.VertexLayout GetVertexLayout(BrushDescriptor desc)
{
return(new GeometryPool.VertexLayout {
bUseColors = true,
bUseNormals = true,
bUseTangents = false,
uv0Size = 3,
uv0Semantic = GeometryPool.Semantic.XyIsUvZIsDistance,
});
}
/// <returns>null if not found</returns>
public bool TryGetBrush(Guid guid, out BrushDescriptor desc)
{
#if TILT_BRUSH
desc = TiltBrush.BrushCatalog.m_Instance.GetBrush(guid);
return(desc != null);
#else
//return m_BrushManifest.BrushesByGuid.TryGetValue(guid, out desc);
desc = null;
return(false);
#endif
}
