Files
OpenRA/OpenRA.Mods.Common/Widgets/EditorViewportControllerWidget.cs
2024-09-16 12:00:41 +01:00

127 lines
3.5 KiB
C#

#region Copyright & License Information
/*
* Copyright (c) The OpenRA Developers and Contributors
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System;
using OpenRA.Graphics;
using OpenRA.Mods.Common.Traits;
using OpenRA.Widgets;
using Color = OpenRA.Primitives.Color;
namespace OpenRA.Mods.Common.Widgets
{
public class EditorViewportControllerWidget : Widget
{
[Desc("Main color of the selection grid.")]
public readonly Color SelectionMainColor = Color.White;
[Desc("Alternate color of the selection grid.")]
public readonly Color SelectionAltColor = Color.Black;
[Desc("Main color of the copy / paste grid.")]
public readonly Color PasteColor = Color.FromArgb(0xFF4CFF00);
public IEditorBrush CurrentBrush { get; private set; }
public readonly string TooltipContainer;
public readonly string TooltipTemplate;
public readonly EditorDefaultBrush DefaultBrush;
public event Action BrushChanged;
readonly Lazy<TooltipContainerWidget> tooltipContainer;
readonly WorldRenderer worldRenderer;
readonly EditorCursorLayer editorCursor;
public int2 SelectionAltOffset { get; }
bool enableTooltips;
[ObjectCreator.UseCtor]
public EditorViewportControllerWidget(WorldRenderer worldRenderer)
{
this.worldRenderer = worldRenderer;
tooltipContainer = Exts.Lazy(() => Ui.Root.Get<TooltipContainerWidget>(TooltipContainer));
CurrentBrush = DefaultBrush = new EditorDefaultBrush(this, worldRenderer);
editorCursor = worldRenderer.World.WorldActor.Trait<EditorCursorLayer>();
editorCursor.SetBrush(CurrentBrush);
// Allow zooming out to full map size
worldRenderer.Viewport.UnlockMinimumZoom(0.25f);
SelectionAltOffset = worldRenderer.World.Map.Grid.Type == MapGridType.Rectangular
? new int2(1, 1)
: new int2(0, 1);
}
public void ClearBrush() { SetBrush(null); }
public void SetBrush(IEditorBrush brush)
{
if (CurrentBrush != DefaultBrush)
CurrentBrush?.Dispose();
CurrentBrush = brush ?? DefaultBrush;
BrushChanged?.Invoke();
editorCursor.SetBrush(CurrentBrush);
}
public override void MouseEntered()
{
enableTooltips = true;
}
public override void MouseExited()
{
tooltipContainer.Value.RemoveTooltip();
enableTooltips = false;
}
public void SetTooltip(string tooltip)
{
if (!enableTooltips)
return;
if (tooltip != null)
{
Func<string> getTooltip = () => tooltip;
tooltipContainer.Value.SetTooltip(TooltipTemplate, new WidgetArgs() { { "getText", getTooltip } });
}
else
tooltipContainer.Value.RemoveTooltip();
}
public override bool HandleMouseInput(MouseInput mi)
{
if (mi.Event == MouseInputEvent.Scroll && mi.Modifiers.HasModifier(Game.Settings.Game.ZoomModifier))
{
worldRenderer.Viewport.AdjustZoom(mi.Delta.Y * Game.Settings.Game.ZoomSpeed, mi.Location);
return true;
}
if (CurrentBrush.HandleMouseInput(mi))
return true;
return base.HandleMouseInput(mi);
}
WPos cachedViewportPosition;
public override void Tick()
{
// Clear any tooltips when the viewport is scrolled using the keyboard
if (worldRenderer.Viewport.CenterPosition != cachedViewportPosition)
SetTooltip(null);
cachedViewportPosition = worldRenderer.Viewport.CenterPosition;
CurrentBrush.Tick();
}
}
}