void RebuildColorTargets(SplatWeight blend, float strength)
{
if (blend == null || splat_cache == null || splat_target == null)
{
return;
}
m_MinWeights = splat_target.GetMinWeights();
splat_target.LerpWeights(splat_cache, blend, strength);
// get index of texture that is being painted
var attrib = meshAttributes[selectedAttributeIndex];
int index = blend.GetAttributeIndex(attrib);
var baseTexture = attrib.isBaseTexture? attrib : GetBaseTexture();
int baseTexIndex = -1;
if (baseTexture != null)
{
baseTexIndex = blend.GetAttributeIndex(baseTexture);
}
splat_erase.LerpWeightOnSingleChannel(splat_cache, m_MinWeights, strength, index, baseTexIndex);
}
internal override void OnEnable()
{
base.OnEnable();
m_CurrentPanelView = PanelView.Paint;
m_LikelySupportsTextureBlending = false;
m_MeshAttributesContainer = null;
brushColor = null;
if (meshAttributes != null)
{
OnMaterialSelected();
}
foreach (GameObject go in Selection.gameObjects)
{
m_LikelySupportsTextureBlending = CheckForTextureBlendSupport(go);
if (m_LikelySupportsTextureBlending)
{
break;
}
}
}
// Called when the mouse begins hovering an editable object.
internal override void OnBrushEnter(EditableObject target, BrushSettings settings)
{
base.OnBrushEnter(target, settings);
if (target.editMesh == null)
{
return;
}
bool refresh = (m_CacheTarget != null && !m_CacheTarget.Equals(target)) || m_CacheTarget == null;
if (m_CacheTarget != null && m_CacheTarget.Equals(target.gameObjectAttached))
{
var targetMaterials = target.gameObjectAttached.GetMaterials();
refresh = !AreListsEqual(targetMaterials, m_CacheMaterials);
}
if (refresh)
{
m_CacheTarget = target;
m_CacheMaterials = target.gameObjectAttached.GetMaterials();
m_MeshAttributesContainer = null;
currentMeshACIndex = 0;
ArrayUtility.Clear(ref m_AvailableMaterialsAsString);
m_LikelySupportsTextureBlending = CheckForTextureBlendSupport(target.gameObjectAttached);
RebuildCaches(target.editMesh);
}
if (m_LikelySupportsTextureBlending && (brushColor == null || !brushColor.MatchesAttributes(meshAttributes)))
{
brushColor = new SplatWeight(SplatWeight.GetChannelMap(meshAttributes));
SetBrushColorWithAttributeIndex(selectedAttributeIndex);
}
RebuildColorTargets(brushColor, settings.strength);
}
void RebuildColorTargets(EditableObject target, SplatWeight blend, float strength)
{
if (target == null)
{
return;
}
var data = m_EditableObjectsData[target];
if (blend == null || data.SplatCache == null || data.SplatTarget == null)
{
return;
}
m_MinWeights = data.SplatTarget.GetMinWeights();
data.SplatTarget.LerpWeights(data.SplatCache, blend, strength);
// get index of texture that is being painted
var attrib = meshAttributes[selectedAttributeIndex];
var baseTexture = attrib.isBaseTexture? attrib : GetBaseTexture();
var baseTexIndex = baseTexture != null ? (int)baseTexture.index : -1;
data.SplatErase.LerpWeightOnSingleChannel(data.SplatCache, m_MinWeights, strength, attrib.channel, (int)attrib.index, baseTexIndex);
}
// Called when the mouse begins hovering an editable object.
internal override void OnBrushEnter(EditableObject target, BrushSettings settings)
{
base.OnBrushEnter(target, settings);
if (target.editMesh == null)
{
return;
}
bool refresh = (m_MainCacheTarget != null && !m_MainCacheTarget.Equals(target)) || m_MainCacheTarget == null;
if (m_MainCacheTarget != null && m_MainCacheTarget.Equals(target))
{
var targetMaterials = target.gameObjectAttached.GetMaterials();
refresh = !targetMaterials.SequenceEqual(m_MainCacheMaterials);
}
if (refresh)
{
SetActiveObject(target);
RebuildMaterialCaches();
PolybrushEditor.instance.Repaint();
}
if (m_LikelySupportsTextureBlending && (brushColor == null || !brushColor.MatchesAttributes(meshAttributes)))
{
brushColor = new SplatWeight(SplatWeight.GetChannelMap(meshAttributes));
SetBrushColorWithAttributeIndex(selectedAttributeIndex);
}
RebuildColorTargets(target, brushColor, settings.strength);
}
void RebuildColorTargets(SplatWeight blend, float strength)
{
if (blend == null || splat_cache == null || splat_target == null)
{
return;
}
m_MinWeights = splat_target.GetMinWeights();
splat_target.LerpWeights(splat_cache, blend, strength);
splat_erase.LerpWeights(splat_cache, m_MinWeights, strength);
}
/// <summary>
/// Editor for blend. Returns true if blend has been modified.
/// </summary>
/// <param name="index"></param>
/// <param name="blend"></param>
/// <param name="attribs"></param>
/// <returns></returns>
internal static int OnInspectorGUI(int index, ref SplatWeight blend, AttributeLayout[] attribs)
{
// if(blend == null && attribs != null)
// blend = new SplatWeight( SplatWeight.GetChannelMap(attribs) );
// bool mismatchedOrNullAttributes = blend == null || !blend.MatchesAttributes(attribs);
Rect r = GUILayoutUtility.GetLastRect();
int yPos = (int)Mathf.Ceil(r.y + r.height);
index = PolyGUILayout.ChannelField(index, attribs, thumbSize, yPos);
return(index);
}
internal override void OnEnable()
{
base.OnEnable();
m_LikelySupportsTextureBlending = false;
m_MeshAttributesContainer = null;
brushColor = null;
foreach (GameObject go in Selection.gameObjects)
{
m_LikelySupportsTextureBlending = CheckForTextureBlendSupport(go);
if (m_LikelySupportsTextureBlending)
{
break;
}
}
}
