// Inspector GUI shown in the Editor window. Base class shows BrushSettings by default
internal override void DrawGUI(BrushSettings brushSettings)
{
base.DrawGUI(brushSettings);
/// Verify dependencies
VerifyLoadedAssetsIntegrity();
EditorGUI.BeginChangeCheck();
/// Interface
s_UsePivotForPlacement.value = PolyGUILayout.Toggle(m_GCUsePrefabPivot, s_UsePivotForPlacement);
s_ParentObjectWithSurface.value = PolyGUILayout.Toggle(m_GCHitSurfaceIsParent, s_ParentObjectWithSurface);
s_AvoidOverlappingGameObjects.value = PolyGUILayout.Toggle(m_GCAvoidOverlappingGameObjects, s_AvoidOverlappingGameObjects);
if (SceneView.lastActiveSceneView.in2DMode)
{
s_2DDepthOffset.value = PolyGUILayout.FloatField(m_GC2DPaintingDepth, s_2DDepthOffset);
}
EditorGUI.BeginChangeCheck();
m_CurrentPaletteIndex = EditorGUILayout.Popup(m_CurrentPaletteIndex, m_AvailablePalettesAsStrings);
if (EditorGUI.EndChangeCheck())
{
if (m_CurrentPaletteIndex >= m_AvailablePalettes.Length)
{
SetPrefabPalette(PrefabPaletteEditor.AddNew());
}
else
{
SetPrefabPalette(m_AvailablePalettes[m_CurrentPaletteIndex]);
}
}
using (new GUILayout.HorizontalScope())
{
s_PreviewThumbSize.value = (int)EditorGUILayout.Slider("Preview Size", (float)s_PreviewThumbSize, 60f, 128f);
}
if (EditorGUI.EndChangeCheck())
{
if (m_CurrentPaletteIndex >= m_AvailablePalettes.Length)
{
SetPrefabPalette(PrefabPaletteEditor.AddNew());
}
else
{
SetPrefabPalette(m_AvailablePalettes[m_CurrentPaletteIndex]);
}
PolybrushSettings.Save();
}
using (new GUILayout.VerticalScope())
{
if (prefabLoadoutEditor != null)
{
prefabLoadoutEditor.OnInspectorGUI_Internal(s_PreviewThumbSize);
}
}
}
// Called whenever the brush is moved. Note that @target may have a null editableObject.
internal override void OnBrushMove(BrushTarget target, BrushSettings settings)
{
base.OnBrushMove(target, settings);
if (!Util.IsValid(target) || !m_LikelySupportsTextureBlending)
{
return;
}
bool invert = settings.isUserHoldingControl;
float[] weights;
if (paintMode == PaintMode.Brush)
{
weights = target.GetAllWeights();
}
else if (paintMode == PaintMode.Flood)
{
weights = new float[m_VertexCount];
for (int i = 0; i < m_VertexCount; i++)
{
weights[i] = 1f;
}
}
else
{
weights = new float[m_VertexCount];
int[] indices = target.editableObject.editMesh.GetTriangles();
int index = 0;
float weightTarget = 1f;
foreach (PolyRaycastHit hit in target.raycastHits)
{
if (hit.triangle > -1)
{
index = hit.triangle * 3;
m_FillModeEdges[0].x = indices[index + 0];
m_FillModeEdges[0].y = indices[index + 1];
m_FillModeEdges[1].x = indices[index + 1];
m_FillModeEdges[1].y = indices[index + 2];
m_FillModeEdges[2].x = indices[index + 2];
m_FillModeEdges[2].y = indices[index + 0];
for (int i = 0; i < 3; i++)
{
if (m_TriangleLookup.TryGetValue(m_FillModeEdges[i], out m_FillModeAdjacentTriangles))
{
for (int n = 0; n < m_FillModeAdjacentTriangles.Count; n++)
{
index = m_FillModeAdjacentTriangles[n] * 3;
weights[indices[index]] = weightTarget;
weights[indices[index + 1]] = weightTarget;
weights[indices[index + 2]] = weightTarget;
}
}
}
}
}
}
if (m_SelectedAttributeIndex < 0 || m_SelectedAttributeIndex >= meshAttributes.Length)
{
SetBrushColorWithAttributeIndex(0);
}
int mask = meshAttributes[m_SelectedAttributeIndex].mask;
splat_current.LerpWeights(splat_cache, invert ? splat_erase : splat_target, mask, weights);
splat_current.Apply(target.editableObject.editMesh);
target.editableObject.ApplyMeshAttributes();
}
internal override void DrawGizmos(BrushTarget target, BrushSettings settings)
{
PolyMesh mesh = target.editableObject.editMesh;
if (Util.IsValid(target) && paintMode == PaintMode.Fill)
{
Vector3[] vertices = mesh.vertices;
int[] indices = mesh.GetTriangles();
PolyHandles.PushMatrix();
PolyHandles.PushHandleColor();
Handles.matrix = target.transform.localToWorldMatrix;
int index = 0;
foreach (PolyRaycastHit hit in target.raycastHits)
{
if (hit.triangle > -1)
{
Handles.color = Color.green;
index = hit.triangle * 3;
Handles.DrawLine(vertices[indices[index + 0]] + hit.normal * .1f, vertices[indices[index + 1]] + hit.normal * .1f);
Handles.DrawLine(vertices[indices[index + 1]] + hit.normal * .1f, vertices[indices[index + 2]] + hit.normal * .1f);
Handles.DrawLine(vertices[indices[index + 2]] + hit.normal * .1f, vertices[indices[index + 0]] + hit.normal * .1f);
m_FillModeEdges[0].x = indices[index + 0];
m_FillModeEdges[0].y = indices[index + 1];
m_FillModeEdges[1].x = indices[index + 1];
m_FillModeEdges[1].y = indices[index + 2];
m_FillModeEdges[2].x = indices[index + 2];
m_FillModeEdges[2].y = indices[index + 0];
for (int i = 0; i < 3; i++)
{
if (m_TriangleLookup.TryGetValue(m_FillModeEdges[i], out m_FillModeAdjacentTriangles))
{
for (int n = 0; n < m_FillModeAdjacentTriangles.Count; n++)
{
index = m_FillModeAdjacentTriangles[n] * 3;
Handles.DrawLine(vertices[indices[index + 0]] + hit.normal * .1f, vertices[indices[index + 1]] + hit.normal * .1f);
Handles.DrawLine(vertices[indices[index + 1]] + hit.normal * .1f, vertices[indices[index + 2]] + hit.normal * .1f);
Handles.DrawLine(vertices[indices[index + 2]] + hit.normal * .1f, vertices[indices[index + 0]] + hit.normal * .1f);
}
}
}
}
}
PolyHandles.PopHandleColor();
PolyHandles.PopMatrix();
}
else
{
base.DrawGizmos(target, settings);
}
}
// Called whenever the brush is moved. Note that @target may have a null editableObject.
internal override void OnBrushMove(BrushTarget target, BrushSettings settings)
{
base.OnBrushMove(target, settings);
}
void OnBrushEnter(BrushTarget target, BrushSettings settings)
{
mode.OnBrushEnter(target.editableObject, settings);
}
internal override void OnBrushApply(BrushTarget target, BrushSettings settings)
{
if (!likelyToSupportVertexSculpt)
{
return;
}
int rayCount = target.raycastHits.Count;
Vector3 v, t, avg, dirVec = s_SmoothDirection.value.ToVector3();
Plane plane = new Plane(Vector3.up, Vector3.zero);
PolyMesh mesh = target.editableObject.editMesh;
Vector3[] normals = (s_SmoothDirection == PolyDirection.BrushNormal) ? mesh.normals : null;
int vertexCount = mesh.vertexCount;
// don't use target.GetAllWeights because brush normal needs
// to know which ray to use for normal
for (int ri = 0; ri < rayCount; ri++)
{
PolyRaycastHit hit = target.raycastHits[ri];
if (hit.weights == null || hit.weights.Length < vertexCount)
{
continue;
}
for (int i = 0; i < commonVertexCount; i++)
{
int index = commonVertices[i][0];
if (hit.weights[index] < .0001f || (s_IgnoreOpenEdges && nonManifoldIndices.Contains(index)))
{
continue;
}
v = vertices[index];
if (s_SmoothDirection == PolyDirection.VertexNormal)
{
avg = Math.Average(vertices, neighborLookup[index]);
}
else
{
avg = Math.WeightedAverage(vertices, neighborLookup[index], hit.weights);
if (s_SmoothDirection == PolyDirection.BrushNormal)
{
if (s_UseFirstNormalVector)
{
dirVec = brushNormalOnBeginApply[ri].normalized;
}
else
{
dirVec = Math.WeightedAverage(normals, neighborLookup[index], hit.weights).normalized;
}
}
plane.SetNormalAndPosition(dirVec, avg);
avg = v - dirVec * plane.GetDistanceToPoint(v);
}
t = Vector3.Lerp(v, avg, hit.weights[index]);
int[] indices = commonVertices[i];
Vector3 pos = v + (t - v) * settings.strength * SMOOTH_STRENGTH_MODIFIER;
for (int n = 0; n < indices.Length; n++)
{
vertices[indices[n]] = pos;
}
}
}
mesh.vertices = vertices;
if (tempComponent != null)
{
tempComponent.OnVerticesMoved(mesh);
}
base.OnBrushApply(target, settings);
}
internal override void OnBrushSettingsChanged(BrushTarget target, BrushSettings settings)
{
base.OnBrushSettingsChanged(target, settings);
}
/// <summary>
/// Called when the mouse begins a drag across a valid target.
/// </summary>
/// <param name="target"> The object the mouse is dragging on</param>
/// <param name="settings">Current brush settings</param>
internal virtual void OnBrushBeginApply(BrushTarget target, BrushSettings settings)
{
}
/// <summary> /// Called every time the brush should apply itself to a valid target. Default is on mouse move. /// </summary> /// <param name="target">Object on which to apply the brush</param> /// <param name="settings">Current brush settings</param> internal abstract void OnBrushApply(BrushTarget target, BrushSettings settings);
/// <summary>
/// Calculates the per-vertex weight for each raycast hit and fills in brush target weights.
/// </summary>
/// <param name="target"></param>
/// <param name="settings"></param>
/// <param name="tool"></param>
/// <param name="bMode"></param>
internal static void CalculateWeightedVertices(BrushTarget target, BrushSettings settings, BrushTool tool = BrushTool.None, BrushMode bMode = null)
{
if (target == null || settings == null)
{
return;
}
if (target.editableObject == null)
{
return;
}
bool uniformScale = Math.VectorIsUniform(target.transform.lossyScale);
float scale = uniformScale ? 1f / target.transform.lossyScale.x : 1f;
PolyMesh mesh = target.editableObject.visualMesh;
Transform transform = target.transform;
int vertexCount = mesh.vertexCount;
Vector3[] vertices = mesh.vertices;
if (!uniformScale)
{
// As we only increase size only when it's needed, always make sure to
// use the vertexCount variable in loop statements and not the buffer length.
if (s_WorldBuffer.Length < vertexCount)
{
System.Array.Resize <Vector3>(ref s_WorldBuffer, vertexCount);
}
for (int i = 0; i < vertexCount; i++)
{
s_WorldBuffer[i] = transform.TransformPoint(vertices[i]);
}
vertices = s_WorldBuffer;
}
AnimationCurve curve = settings.falloffCurve;
float radius = settings.radius * scale, falloff_mag = Mathf.Max((radius - radius * settings.falloff), 0.00001f);
Vector3 hitPosition = Vector3.zero;
PolyRaycastHit hit;
if (tool == BrushTool.Texture && mesh.subMeshCount > 1)
{
var mode = bMode as BrushModeTexture;
int[] submeshIndices = mesh.subMeshes[mode.currentMeshACIndex].indexes;
for (int n = 0; n < target.raycastHits.Count; n++)
{
hit = target.raycastHits[n];
hit.SetVertexCount(vertexCount);
for (int i = 0; i < vertexCount; i++)
{
hit.weights[i] = 0f;
}
hitPosition = uniformScale ? hit.position : transform.TransformPoint(hit.position);
for (int i = 0; i < submeshIndices.Length; i++)
{
int currentIndex = submeshIndices[i];
float dist = (hitPosition - vertices[currentIndex]).magnitude;
float delta = radius - dist;
if (delta >= 0)
{
float weight = Mathf.Clamp(curve.Evaluate(1f - Mathf.Clamp(delta / falloff_mag, 0f, 1f)), 0f, 1f);
hit.weights[currentIndex] = weight;
}
}
}
}
else
{
int[][] common = PolyMeshUtility.GetCommonVertices(mesh);
Vector3 buf = Vector3.zero;
for (int n = 0; n < target.raycastHits.Count; n++)
{
hit = target.raycastHits[n];
hit.SetVertexCount(vertexCount);
hitPosition = uniformScale ? hit.position : transform.TransformPoint(hit.position);
for (int i = 0; i < common.Length; i++)
{
int[] commonItem = common[i];
int commonArrayCount = commonItem.Length;
Math.Subtract(vertices[commonItem[0]], hitPosition, ref buf);
float sqrDist = buf.sqrMagnitude;
if (sqrDist > radius * radius)
{
for (int j = 0; j < commonArrayCount; j++)
{
hit.weights[commonItem[j]] = 0f;
}
}
else
{
float weight = Mathf.Clamp(curve.Evaluate(1f - Mathf.Clamp((radius - Mathf.Sqrt(sqrDist)) / falloff_mag, 0f, 1f)), 0f, 1f);
for (int j = 0; j < commonArrayCount; j++)
{
hit.weights[commonItem[j]] = weight;
}
}
}
}
}
target.GetAllWeights(true);
}
/// <summary>
/// Called whenever the brush is moved. Note that @target may have a null editableObject.
/// </summary>
/// <param name="target">Current target of the brush</param>
/// <param name="settings">Current brush settings</param>
internal virtual void OnBrushMove(BrushTarget target, BrushSettings settings)
{
UpdateTempComponent(target, settings);
}
// Called whenever the brush is moved. Note that @target may have a null editableObject.
internal override void OnBrushMove(BrushTarget target, BrushSettings settings)
{
base.OnBrushMove(target, settings);
if (!Util.IsValid(target))
{
return;
}
bool invert = settings.isUserHoldingControl;
PolyMesh mesh = target.editableObject.editMesh;
int vertexCount = mesh.vertexCount;
float[] weights = target.GetAllWeights();
switch (paintMode)
{
case PaintMode.Flood:
for (int i = 0; i < vertexCount; i++)
{
m_MeshVertexColors.Colors[i] = invert? s_WhiteColor : m_MeshVertexColors.TargetColors[i];
}
break;
case PaintMode.Fill:
System.Array.Copy(m_MeshVertexColors.OriginalColors, m_MeshVertexColors.Colors, vertexCount);
int[] indices = target.editableObject.editMesh.GetTriangles();
int index = 0;
foreach (PolyRaycastHit hit in target.raycastHits)
{
if (hit.triangle > -1)
{
index = hit.triangle * 3;
m_MeshVertexColors.Colors[indices[index + 0]] = invert ? s_WhiteColor : m_MeshVertexColors.TargetColors[indices[index + 0]];
m_MeshVertexColors.Colors[indices[index + 1]] = invert ? s_WhiteColor : m_MeshVertexColors.TargetColors[indices[index + 1]];
m_MeshVertexColors.Colors[indices[index + 2]] = invert ? s_WhiteColor : m_MeshVertexColors.TargetColors[indices[index + 2]];
m_FillModeEdges[0].x = indices[index + 0];
m_FillModeEdges[0].y = indices[index + 1];
m_FillModeEdges[1].x = indices[index + 1];
m_FillModeEdges[1].y = indices[index + 2];
m_FillModeEdges[2].x = indices[index + 2];
m_FillModeEdges[2].y = indices[index + 0];
for (int i = 0; i < 3; i++)
{
if (m_TriangleLookup.TryGetValue(m_FillModeEdges[i], out m_FillModeAdjacentTriangles))
{
for (int n = 0; n < m_FillModeAdjacentTriangles.Count; n++)
{
index = m_FillModeAdjacentTriangles[n] * 3;
m_MeshVertexColors.Colors[indices[index + 0]] = invert ? s_WhiteColor : m_MeshVertexColors.TargetColors[indices[index + 0]];
m_MeshVertexColors.Colors[indices[index + 1]] = invert ? s_WhiteColor : m_MeshVertexColors.TargetColors[indices[index + 1]];
m_MeshVertexColors.Colors[indices[index + 2]] = invert ? s_WhiteColor : m_MeshVertexColors.TargetColors[indices[index + 2]];
}
}
}
}
}
break;
default:
{
for (int i = 0; i < vertexCount; i++)
{
m_MeshVertexColors.Colors[i] = Util.Lerp(m_MeshVertexColors.OriginalColors[i],
invert ? m_MeshVertexColors.EraseColors[i] : m_MeshVertexColors.TargetColors[i],
mask,
weights[i]);
}
break;
}
}
target.editableObject.editMesh.colors = m_MeshVertexColors.Colors;
target.editableObject.ApplyMeshAttributes(MeshChannel.Color);
}
internal override void OnBrushSettingsChanged(BrushTarget target, BrushSettings settings)
{
base.OnBrushSettingsChanged(target, settings);
m_MeshVertexColors.RebuildColorTargets(m_BrushColor, settings.strength, mask);
}
void DrawBrushSettings()
{
EnsureBrushSettingsListIsValid();
// Brush preset selector
using (new GUILayout.VerticalScope("box"))
{
// Show the settings header in PolyEditor so that the preset selector can be included in the block.
// Can't move preset selector to BrushSettingsEditor because it's a CustomEditor for BrushSettings,
// along with other issues.
if (PolyGUILayout.HeaderWithDocsLink(PolyGUI.TempContent("Brush Settings")))
{
Application.OpenURL(PrefUtility.documentationBrushSettingsLink);
}
using (new GUILayout.HorizontalScope())
{
EditorGUI.BeginChangeCheck();
m_CurrentBrushIndex = EditorGUILayout.Popup(m_CurrentBrushIndex, m_AvailableBrushesStrings);
if (EditorGUI.EndChangeCheck())
{
if (m_CurrentBrushIndex >= m_AvailableBrushes.Length)
{
SetBrushSettings(BrushSettingsEditor.AddNew(brushSettings));
}
else
{
SetBrushSettings(m_AvailableBrushes.ElementAt <BrushSettings>(m_CurrentBrushIndex));
}
}
if (GUILayout.Button(m_GCSaveBrushSettings, GUILayout.Width(50)))
{
if (brushSettings != null && brushSettingsAsset != null)
{
// integer 0, 1 or 2 corresponding to ok, cancel and alt buttons
int res = EditorUtility.DisplayDialogComplex("Save Brush Settings", "Overwrite brush preset, or Create a New brush preset? ", "Overwrite", "Create New", "Cancel");
if (res == 0)
{
brushSettings.CopyTo(brushSettingsAsset);
EditorGUIUtility.PingObject(brushSettingsAsset);
}
else if (res == 1)
{
BrushSettings dup = BrushSettingsEditor.AddNew(brushSettings);
SetBrushSettings(dup);
EditorGUIUtility.PingObject(brushSettingsAsset);
}
GUIUtility.ExitGUI();
}
else
{
Debug.LogWarning("Something went wrong saving brush settings.");
}
}
}
EditorGUI.BeginChangeCheck();
brushEditor.OnInspectorGUI();
}
}
void PlaceGameObject(PolyRaycastHit hit, PrefabAndSettings prefabAndSettings, BrushTarget target, BrushSettings settings)
{
if (prefabAndSettings == null)
{
return;
}
GameObject prefab = prefabAndSettings.gameObject;
var worldPosition = target.transform.TransformPoint(hit.position);
var worldNormal = target.transform.TransformDirection(hit.normal);
Ray ray = RandomRay(worldPosition, worldNormal, settings.radius, settings.falloff, settings.falloffCurve);
ray.origin = target.transform.InverseTransformPoint(ray.origin);
ray.direction = target.transform.InverseTransformDirection(ray.direction);
PolyRaycastHit rand_hit;
Vector3[] vertices = target.editableObject.editMesh.vertices;
int[] triangles = target.editableObject.editMesh.GetTriangles();
if (PolySceneUtility.MeshRaycast(ray, vertices, triangles, out rand_hit))
{
PlacementSettings placementSettings = prefabAndSettings.settings;
Vector3 scaleSetting = prefab.transform.localScale;
if (placementSettings.uniformBool)
{
float uniformScale = Random.Range(placementSettings.uniformScale.x, placementSettings.uniformScale.y);
scaleSetting *= uniformScale;
}
else
{
if (placementSettings.xScaleBool)
{
scaleSetting.x = Random.Range(placementSettings.scaleRangeMin.x, placementSettings.scaleRangeMax.x);
}
if (placementSettings.yScaleBool)
{
scaleSetting.y = Random.Range(placementSettings.scaleRangeMin.y, placementSettings.scaleRangeMax.y);
}
if (placementSettings.zScaleBool)
{
scaleSetting.z = Random.Range(placementSettings.scaleRangeMin.z, placementSettings.scaleRangeMax.z);
}
}
Vector3 rotationSetting = Vector3.zero;
if (placementSettings.xRotationBool)
{
rotationSetting.x = Random.Range(placementSettings.rotationRangeMin.x, placementSettings.rotationRangeMax.x);
}
if (placementSettings.yRotationBool)
{
rotationSetting.y = Random.Range(placementSettings.rotationRangeMin.y, placementSettings.rotationRangeMax.y);
}
if (placementSettings.xRotationBool)
{
rotationSetting.z = Random.Range(placementSettings.rotationRangeMin.z, placementSettings.rotationRangeMax.z);
}
Quaternion rotation = SceneView.lastActiveSceneView.in2DMode ?
Quaternion.FromToRotation(-Vector3.forward, target.transform.TransformDirection(rand_hit.normal)):
Quaternion.FromToRotation(Vector3.up, target.transform.TransformDirection(rand_hit.normal));
GameObject inst = (GameObject)PrefabUtility.InstantiatePrefab(prefab);
inst.transform.position = target.transform.TransformPoint(rand_hit.position);
inst.transform.rotation = rotation;
inst.transform.localScale = scaleSetting;
float pivotOffset = s_UsePivotForPlacement ? 0f : GetPivotOffset(inst);
inst.name = FormatInstanceName(prefab);
inst.transform.position = inst.transform.position - (inst.transform.up * pivotOffset);
inst.transform.rotation = inst.transform.rotation * Quaternion.Euler(rotationSetting);
if (SceneView.lastActiveSceneView.in2DMode)
{
inst.transform.position += Vector3.back * s_2DDepthOffset;
}
if (s_AvoidOverlappingGameObjects && TestIntersection(inst))
{
Object.DestroyImmediate(inst);
return;
}
if (s_ParentObjectWithSurface)
{
inst.transform.SetParent(target.transform);
}
m_PrefabsInstances.Add(inst);
Undo.RegisterCreatedObjectUndo(inst, UndoMessage);
}
}
/// <summary>
/// Called when a brush application has finished. Use this to clean up temporary resources or apply
/// deferred actions to a mesh (rebuild UV2, tangents, whatever).
/// </summary>
/// <param name="target">The Object the brush was being applied on</param>
/// <param name="settings">Current brush settings</param>
internal virtual void OnBrushFinishApply(BrushTarget target, BrushSettings settings)
{
DestroyTempComponent();
}
/// <summary>
/// Draw gizmos taking into account handling of normal by smooth brush mode.
/// </summary>
/// <param name="target">Current target Object</param>
///// <param name="settings">Current brush settings</param>
internal override void DrawGizmos(BrushTarget target, BrushSettings settings)
{
UpdateBrushGizmosColor();
Vector3 normal = s_SmoothDirection.value.ToVector3();
int rayCount = target.raycastHits.Count;
PolyMesh mesh = target.editableObject.editMesh;
int vertexCount = mesh.vertexCount;
Vector3[] normals = (s_SmoothDirection == PolyDirection.BrushNormal) ? mesh.normals : null;
// don't use target.GetAllWeights because brush normal needs
// to know which ray to use for normal
for (int ri = 0; ri < rayCount; ri++)
{
PolyRaycastHit hit = target.raycastHits[ri];
if (hit.weights == null || hit.weights.Length < vertexCount)
{
continue;
}
if (s_SmoothDirection == PolyDirection.BrushNormal)
{
if (s_UseFirstNormalVector && brushNormalOnBeginApply.Count > ri)
{
normal = brushNormalOnBeginApply[ri];
}
else
{
// get the highest weighted vertex to use its direction computation
float highestWeight = .0001f;
int highestIndex = -1;
for (int i = 0; i < commonVertexCount; i++)
{
int index = commonVertices[i][0];
if (hit.weights[index] < .0001f || (s_IgnoreOpenEdges && nonManifoldIndices.Contains(index)))
{
continue;
}
if (hit.weights[index] > highestWeight)
{
highestIndex = index;
}
}
if (highestIndex != -1)
{
normal = Math.WeightedAverage(normals, neighborLookup[highestIndex], hit.weights).normalized;
}
else
{
normal = hit.normal;
}
}
}
else if (s_SmoothDirection == PolyDirection.VertexNormal)
{
normal = hit.normal;
}
PolyHandles.DrawBrush(hit.position, normal, settings, target.localToWorldMatrix, innerColor, outerColor);
}
}
/// <summary>
/// Draw scene gizmos. Base implementation draws the brush preview.
/// </summary>
/// <param name="target">Current target Object</param>
/// <param name="settings">Current brush settings</param>
internal virtual void DrawGizmos(BrushTarget target, BrushSettings settings)
{
UpdateBrushGizmosColor();
foreach (PolyRaycastHit hit in target.raycastHits)
{
PolyHandles.DrawBrush(hit.position, hit.normal, settings, target.localToWorldMatrix, innerColor, outerColor);
}
#if Z_DEBUG
#if Z_DRAW_WEIGHTS || DRAW_PER_VERTEX_ATTRIBUTES
float[] w = target.GetAllWeights();
#endif
#if Z_DRAW_WEIGHTS
Mesh m = target.mesh;
Vector3[] v = m.vertices;
GUIContent content = new GUIContent("", "");
Handles.BeginGUI();
for (int i = 0; i < v.Length; i++)
{
if (w[i] < .0001f)
{
continue;
}
content.text = w[i].ToString("F2");
GUI.Label(HandleUtility.WorldPointToSizedRect(target.transform.TransformPoint(v[i]), content, EditorStyles.label), content);
}
Handles.EndGUI();
#endif
#if DRAW_PER_VERTEX_ATTRIBUTES
Mesh m = target.editableObject.editMesh;
Color32[] colors = m.colors;
Vector4[] tangents = m.tangents;
List <Vector4> uv0 = m.uv0;
List <Vector4> uv1 = m.uv1;
List <Vector4> uv2 = m.uv2;
List <Vector4> uv3 = m.uv3;
int vertexCount = m.vertexCount;
Vector3[] verts = m.vertices;
GUIContent gc = new GUIContent("");
List <List <int> > common = MeshUtility.GetCommonVertices(m);
System.Text.StringBuilder sb = new System.Text.StringBuilder();
Handles.BeginGUI();
foreach (List <int> l in common)
{
if (w[l[0]] < .001)
{
continue;
}
Vector3 v = target.transform.TransformPoint(verts[l[0]]);
if (colors != null)
{
sb.AppendLine("color: " + colors[l[0]].ToString("F2"));
}
if (tangents != null)
{
sb.AppendLine("tangent: " + tangents[l[0]].ToString("F2"));
}
if (uv0 != null && uv0.Count == vertexCount)
{
sb.AppendLine("uv0: " + uv0[l[0]].ToString("F2"));
}
if (uv1 != null && uv1.Count == vertexCount)
{
sb.AppendLine("uv1: " + uv1[l[0]].ToString("F2"));
}
if (uv2 != null && uv2.Count == vertexCount)
{
sb.AppendLine("uv2: " + uv2[l[0]].ToString("F2"));
}
if (uv3 != null && uv3.Count == vertexCount)
{
sb.AppendLine("uv3: " + uv3[l[0]].ToString("F2"));
}
gc.text = sb.ToString();
sb.Remove(0, sb.Length); // @todo .NET 4.0
GUI.Label(HandleUtility.WorldPointToSizedRect(v, gc, EditorStyles.label), gc);
}
Handles.EndGUI();
#endif
#endif
}
/// <summary>
/// Calculates the per-vertex weight for each raycast hit and fills in brush target weights.
/// </summary>
/// <param name="target"></param>
/// <param name="settings"></param>
/// <param name="tool"></param>
/// <param name="bMode"></param>
internal static void CalculateWeightedVertices(BrushTarget target, BrushSettings settings, BrushTool tool = BrushTool.None, BrushMode bMode = null)
{
//null checks
if (target == null || settings == null)
{
return;
}
if (target.editableObject == null)
{
return;
}
bool uniformScale = PolyMath.VectorIsUniform(target.transform.lossyScale);
float scale = uniformScale ? 1f / target.transform.lossyScale.x : 1f;
PolyMesh mesh = target.editableObject.visualMesh;
if (tool == BrushTool.Texture && mesh.subMeshCount > 1)
{
var mode = bMode as BrushModeTexture;
int[] submeshIndices = mesh.subMeshes[mode.currentMeshACIndex].indexes;
//List<List<int>> common = PolyMeshUtility.GetCommonVertices(mesh);
Transform transform = target.transform;
int vertexCount = mesh.vertexCount;
Vector3[] vertices = mesh.vertices;
if (!uniformScale)
{
Vector3[] world = new Vector3[vertexCount];
for (int i = 0; i < vertexCount; i++)
{
world[i] = transform.TransformPoint(vertices[i]);
}
vertices = world;
}
AnimationCurve curve = settings.falloffCurve;
float radius = settings.radius * scale, falloff_mag = Mathf.Max((radius - radius * settings.falloff), 0.00001f);
Vector3 hitPosition = Vector3.zero;
PolyRaycastHit hit;
for (int n = 0; n < target.raycastHits.Count; n++)
{
hit = target.raycastHits[n];
hit.SetVertexCount(vertexCount);
for (int i = 0; i < vertexCount; i++)
{
hit.weights[i] = 0f;
}
hitPosition = uniformScale ? hit.position : transform.TransformPoint(hit.position);
for (int i = 0; i < submeshIndices.Length; i++)
{
int currentIndex = submeshIndices[i];
float dist = (hitPosition - vertices[currentIndex]).magnitude;
float delta = radius - dist;
if (delta >= 0)
{
float weight = Mathf.Clamp(curve.Evaluate(1f - Mathf.Clamp(delta / falloff_mag, 0f, 1f)), 0f, 1f);
hit.weights[currentIndex] = weight;
}
}
}
}
else
{
List <List <int> > common = PolyMeshUtility.GetCommonVertices(mesh);
Transform transform = target.transform;
int vertexCount = mesh.vertexCount;
Vector3[] vertices = mesh.vertices;
if (!uniformScale)
{
Vector3[] world = new Vector3[vertexCount];
for (int i = 0; i < vertexCount; i++)
{
world[i] = transform.TransformPoint(vertices[i]);
}
vertices = world;
}
AnimationCurve curve = settings.falloffCurve;
float radius = settings.radius * scale, falloff_mag = Mathf.Max((radius - radius * settings.falloff), 0.00001f);
Vector3 hitPosition = Vector3.zero;
PolyRaycastHit hit;
for (int n = 0; n < target.raycastHits.Count; n++)
{
hit = target.raycastHits[n];
hit.SetVertexCount(vertexCount);
hitPosition = uniformScale ? hit.position : transform.TransformPoint(hit.position);
for (int i = 0; i < common.Count; i++)
{
int commonArrayCount = common[i].Count;
float sqrDist = (hitPosition - vertices[common[i][0]]).sqrMagnitude;
if (sqrDist > radius * radius)
{
for (int j = 0; j < commonArrayCount; j++)
{
hit.weights[common[i][j]] = 0f;
}
}
else
{
float weight = Mathf.Clamp(curve.Evaluate(1f - Mathf.Clamp((radius - Mathf.Sqrt(sqrDist)) / falloff_mag, 0f, 1f)), 0f, 1f);
for (int j = 0; j < commonArrayCount; j++)
{
hit.weights[common[i][j]] = weight;
}
}
}
}
}
target.GetAllWeights(true);
}
// Inspector GUI shown in the Editor window. Base class shows BrushSettings by default
internal override void DrawGUI(BrushSettings brushSettings)
{
base.DrawGUI(brushSettings);
using (new GUILayout.HorizontalScope())
{
GUILayout.FlexibleSpace();
paintMode = (PaintMode)GUILayout.Toolbar((int)paintMode, m_ModeIcons, GUILayout.Width(130));
GUILayout.FlexibleSpace();
}
GUILayout.Space(4);
if (!m_LikelySupportsTextureBlending)
{
EditorGUILayout.HelpBox("It doesn't look like any of the materials on this object support texture blending!\n\nSee the readme for information on creating custom texture blend shaders.", MessageType.Warning);
}
// Selection dropdown for material (for submeshes)
if (m_AvailableMaterialsAsString.Count() > 0)
{
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
EditorGUILayout.LabelField("Material :", GUILayout.Width(60));
currentMeshACIndex = EditorGUILayout.Popup(currentMeshACIndex, m_AvailableMaterialsAsString, "Popup");
if (EditorGUI.EndChangeCheck())
{
m_MeshAttributesContainer = m_MeshAttributesContainers[currentMeshACIndex];
}
EditorGUILayout.EndHorizontal();
}
GUILayout.Space(4);
if (meshAttributes != null)
{
RefreshPreviewTextureCache();
int prevSelectedAttributeIndex = m_SelectedAttributeIndex;
m_SelectedAttributeIndex = SplatWeightEditor.OnInspectorGUI(m_SelectedAttributeIndex, ref brushColor, meshAttributes);
if (prevSelectedAttributeIndex != m_SelectedAttributeIndex)
{
SetBrushColorWithAttributeIndex(m_SelectedAttributeIndex);
}
#if POLYBRUSH_DEBUG
GUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (GUILayout.Button("MetaData", EditorStyles.miniButton))
{
Debug.Log(meshAttributes.ToString("\n"));
string str = EditorUtility.FindPolybrushMetaDataForShader(meshAttributesContainer.shader);
if (!string.IsNullOrEmpty(str))
{
TextAsset asset = AssetDatabase.LoadAssetAtPath <TextAsset>(str);
if (asset != null)
{
EditorGUIUtility.PingObject(asset);
}
else
{
Debug.LogWarning("No MetaData found for Shader \"" + meshAttributesContainer.shader.name + "\"");
}
}
else
{
Debug.LogWarning("No MetaData found for Shader \"" + meshAttributesContainer.shader.name + "\"");
}
}
GUILayout.EndHorizontal();
GUILayout.Space(4);
if (GUILayout.Button("rebuild targets"))
{
RebuildColorTargets(brushColor, brushSettings.strength);
}
GUILayout.Label(brushColor != null ? brushColor.ToString() : "brush color: null\n");
#endif
}
}
// Called when the mouse begins hovering an editable object.
internal override void OnBrushEnter(EditableObject target, BrushSettings settings)
{
base.OnBrushEnter(target, settings);
}
internal override void OnBrushSettingsChanged(BrushTarget target, BrushSettings settings)
{
base.OnBrushSettingsChanged(target, settings);
RebuildColorTargets(brushColor, settings.strength);
}
internal override void OnBrushBeginApply(BrushTarget target, BrushSettings settings)
{
base.OnBrushBeginApply(target, settings);
m_PrefabsInstances = PolySceneUtility.FindInstancesInScene(prefabPalette.prefabs.Select(x => x.gameObject), FormatInstanceName).ToList();
}
internal override void OnBrushBeginApply(BrushTarget brushTarget, BrushSettings brushSettings)
{
base.OnBrushBeginApply(brushTarget, brushSettings);
}