private void DoToolSceneGUI(ToolBase tool)
{
var tileSystem = target as TileSystem;
// Toggle preview material using control key.
this.CheckSwitchImmediatePreviewMaterial();
ToolUtility.CheckToolKeyboardShortcuts();
// Preserve current state of handles.
Matrix4x4 originalMatrix = Handles.matrix;
Color restoreHandleColor = Handles.color;
// Place handles within local space of tile system.
Handles.matrix = tileSystem.transform.localToWorldMatrix;
// Tools cannot interact with locked tile systems!
if (!tileSystem.Locked)
{
tool.OnSceneGUI(this.toolEvent, this);
}
else
{
Vector3 activeCenter = Vector3.zero;
activeCenter.x += this.toolEvent.MousePointerTileIndex.column * tileSystem.CellSize.x + tileSystem.CellSize.x / 2f;
activeCenter.y -= this.toolEvent.MousePointerTileIndex.row * tileSystem.CellSize.y + tileSystem.CellSize.y / 2f;
ToolHandleUtility.DrawWireBox(activeCenter, tileSystem.CellSize);
}
// Restore former state of handles.
Handles.matrix = originalMatrix;
Handles.color = restoreHandleColor;
}
/// <inheritdoc/>
public override void OnSceneGUI(ToolEvent e, IToolContext context)
{
if (!IsEditorNearestControl)
{
return;
}
// "Hide wireframe outline"
if (this.HideWireframeOutline)
{
bool willErase = (ToolUtility.SelectedBrush == null && ToolUtility.ActivePlop != null);
bool willCycle = (!this.allowOverpaint && ToolUtility.ActivePlop != null && PlopUtility.CanPlopWithBrush(ToolUtility.SelectedBrush));
bool disableImmediatePreview = (ToolUtility.SelectedBrush != null && ToolUtility.SelectedBrush.disableImmediatePreview);
if (!willErase && !willCycle && !disableImmediatePreview)
{
return;
}
}
// Outline plop with wire cube!
Vector3 wirePoint = (!this.allowOverpaint && ToolUtility.ActivePlop != null)
? ToolUtility.ActivePlop.PlopPoint
: this.ApplySnapping(this.localMousePoint);
Vector3 snapCellSize = context.TileSystem.CellSize;
snapCellSize.x = this.SnapAxisX.Resolve(snapCellSize.x);
snapCellSize.y = this.SnapAxisY.Resolve(snapCellSize.y);
ToolHandleUtility.DrawWireBox(wirePoint, snapCellSize);
}
/// <summary>
/// Raised when handling scene view GUI events.
/// </summary>
/// <remarks>
/// <para>The primary purpose of this method is to draw helper objects into
/// scene views making it easier to interact with tile systems. Custom tool
/// processing logic should be placed into one of the following methods
/// where possible:</para>
/// <list type="bullet">
/// <item><see cref="OnRefreshToolEvent"/></item>
/// <item><see cref="OnTool"/></item>
/// <item><see cref="OnToolInactive"/></item>
/// </list>
/// <para>This method will be invoked multiple times when handling different
/// GUI events within a scene view. This method is called from the context of
/// the tile system editor (see <a href="http://docs.unity3d.com/Documentation/ScriptReference/Editor.OnSceneGUI.html">Editor.OnSceneGUI</a>).</para>
/// <para>Here is the default implementation of this method:</para>
/// <code language="csharp"><![CDATA[
/// public override void OnSceneGUI(ToolEvent e, IToolContext context)
/// {
/// if (!IsEditorNearestControl) {
/// return;
/// }
/// this.DrawNozzleIndicator(context.TileSystem, e.tileIndex, BrushNozzle.Square, 1);
/// }
/// ]]></code>
/// </remarks>
/// <param name="e">Event data.</param>
/// <param name="context">Context of tool usage.</param>
public virtual void OnSceneGUI(ToolEvent e, IToolContext context)
{
if (!IsEditorNearestControl)
{
return;
}
// Outline plop with wire cube!
if (ToolUtility.ActivePlop != null)
{
ToolHandleUtility.DrawWireBox(ToolUtility.ActivePlop.PlopPoint, context.TileSystem.CellSize);
return;
}
this.DrawNozzleIndicator(context.TileSystem, e.MousePointerTileIndex, BrushNozzle.Square, 1);
}