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