/// <inheritdoc/>
public override void OnDrawGizmos(TileSystem system)
{
// We need to populate properties of `IBrushContext` for preview generation.
var brush = (PreviousToolEvent != null && PreviousToolEvent.IsRightButtonPressed)
? ToolUtility.SelectedBrushSecondary
: ToolUtility.SelectedBrush;
if (!PlopUtility.CanPlopWithBrush(brush))
{
return;
}
// Do not draw immediate preview when mouse is positioned over a plop
// unless overpainting is permitted.
if (!this.allowOverpaint && ToolUtility.ActivePlop != null)
{
return;
}
// Offset preview against mouse position.
Vector3 placementPoint = PlopUtility.PositionFromPlopPoint(system, this.ApplySnapping(this.localMousePoint));
ImmediatePreviewUtility.Matrix = system.transform.localToWorldMatrix * MathUtility.TranslationMatrix(placementPoint);
this._fakeContext.TileSystem = system;
this._fakeContext.Brush = brush;
// Pretend to paint tile so that we can see its data beforehand!
var previewTile = ImmediatePreviewUtility.GetPreviewTileData(this._fakeContext, brush, ToolUtility.Rotation);
// Plop tool does not support orientations.
previewTile.orientationMask = 0;
var args = GetPaintingArgs(brush);
if (args.variation == Brush.RANDOM_VARIATION)
{
args.variation = this.PreRandomizeVariation(brush, 0);
}
previewTile.variationIndex = (byte)args.ResolveVariation(0);
brush.OnDrawImmediatePreview(this._fakeContext, previewTile, ImmediatePreviewUtility.PreviewMaterial, brush);
}
/// <inheritdoc/>
public override void OnDrawGizmos(TileSystem system)
{
var brush = (PreviousToolEvent != null && PreviousToolEvent.IsRightButtonPressed)
? ToolUtility.SelectedBrushSecondary
: ToolUtility.SelectedBrush;
if (brush == null)
{
return;
}
// Do not draw immediate preview when larger radius is selected.
if (this.NozzleSize > 1)
{
return;
}
// Only draw immediate preview when not disabled on per-brush basis.
if (!brush.disableImmediatePreview)
{
// Preview is forced when see-through material is used.
bool force = ImmediatePreviewUtility.IsSeeThroughPreviewMaterial;
// Only display immediate preview if it differs from actual tile.
var existingTile = ToolUtility.ActiveTile;
if (existingTile == null || existingTile.brush != brush || existingTile.PaintedRotation != ToolUtility.Rotation || force)
{
var context = Brush.GetSharedContext(brush, system, ToolUtility.ActiveTileIndex);
var previewTile = ImmediatePreviewUtility.GetPreviewTileData(context, brush, ToolUtility.Rotation);
var args = this.GetPaintingArgs(brush);
if (args.variation == Brush.RANDOM_VARIATION)
{
args.variation = this.PreRandomizeVariation(brush, previewTile.orientationMask);
}
previewTile.variationIndex = (byte)args.ResolveVariation(previewTile.orientationMask);
ImmediatePreviewUtility.Matrix = system.transform.localToWorldMatrix;
brush.OnDrawImmediatePreview(context, previewTile, ImmediatePreviewUtility.PreviewMaterial, brush);
}
}
}
