136 lines
4.5 KiB
C#
136 lines
4.5 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
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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 System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Mods.Common.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits.Render
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{
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[Desc("Displays a text overlay relative to the selection box.")]
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public class WithTextDecorationInfo : ConditionalTraitInfo
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{
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[FieldLoader.Require] [Translate] public readonly string Text = null;
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public readonly string Font = "TinyBold";
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[Desc("Display in this color when not using the player color.")]
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public readonly Color Color = Color.White;
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[Desc("Use the player color of the current owner.")]
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public readonly bool UsePlayerColor = false;
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[Desc("Point in the actor's selection box used as reference for offsetting the decoration image. " +
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"Possible values are combinations of Center, Top, Bottom, Left, Right.")]
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public readonly ReferencePoints ReferencePoint = ReferencePoints.Top | ReferencePoints.Left;
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[Desc("The Z offset to apply when rendering this decoration.")]
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public readonly int ZOffset = 1;
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[Desc("Player stances who can view the decoration.")]
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public readonly Stance ValidStances = Stance.Ally;
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[Desc("Should this be visible only when selected?")]
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public readonly bool RequiresSelection = false;
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public override object Create(ActorInitializer init) { return new WithTextDecoration(init.Self, this); }
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public override void RulesetLoaded(Ruleset rules, ActorInfo ai)
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{
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if (!Game.ModData.Manifest.Fonts.ContainsKey(Font))
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throw new YamlException("Font '{0}' is not listed in the mod.yaml's Fonts section".F(Font));
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base.RulesetLoaded(rules, ai);
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}
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}
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public class WithTextDecoration : ConditionalTrait<WithTextDecorationInfo>, IRender, IRenderAboveShroudWhenSelected, INotifyOwnerChanged
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{
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readonly SpriteFont font;
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Color color;
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public WithTextDecoration(Actor self, WithTextDecorationInfo info)
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: base(info)
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{
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font = Game.Renderer.Fonts[info.Font];
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color = Info.UsePlayerColor ? self.Owner.Color.RGB : Info.Color;
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}
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public virtual bool ShouldRender(Actor self) { return true; }
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IEnumerable<IRenderable> IRender.Render(Actor self, WorldRenderer wr)
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{
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return !Info.RequiresSelection ? RenderInner(self, wr) : SpriteRenderable.None;
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}
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IEnumerable<IRenderable> IRenderAboveShroudWhenSelected.RenderAboveShroud(Actor self, WorldRenderer wr)
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{
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return Info.RequiresSelection ? RenderInner(self, wr) : SpriteRenderable.None;
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}
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IEnumerable<IRenderable> RenderInner(Actor self, WorldRenderer wr)
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{
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if (IsTraitDisabled || self.IsDead || !self.IsInWorld)
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return Enumerable.Empty<IRenderable>();
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if (self.World.RenderPlayer != null)
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{
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var stance = self.Owner.Stances[self.World.RenderPlayer];
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if (!Info.ValidStances.HasStance(stance))
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return Enumerable.Empty<IRenderable>();
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}
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if (!ShouldRender(self) || self.World.FogObscures(self))
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return Enumerable.Empty<IRenderable>();
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var bounds = self.SelectionOverlayBounds;
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var halfSize = font.Measure(Info.Text) / 2;
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var boundsOffset = new int2(bounds.Left + bounds.Right, bounds.Top + bounds.Bottom) / 2;
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var sizeOffset = new int2();
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if (Info.ReferencePoint.HasFlag(ReferencePoints.Top))
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{
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boundsOffset -= new int2(0, bounds.Height / 2);
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sizeOffset += new int2(0, halfSize.Y);
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}
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else if (Info.ReferencePoint.HasFlag(ReferencePoints.Bottom))
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{
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boundsOffset += new int2(0, bounds.Height / 2);
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sizeOffset -= new int2(0, halfSize.Y);
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}
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if (Info.ReferencePoint.HasFlag(ReferencePoints.Left))
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{
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boundsOffset -= new int2(bounds.Width / 2, 0);
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sizeOffset += new int2(halfSize.X, 0);
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}
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else if (Info.ReferencePoint.HasFlag(ReferencePoints.Right))
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{
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boundsOffset += new int2(bounds.Width / 2, 0);
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sizeOffset -= new int2(halfSize.X, 0);
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}
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var screenPos = wr.ScreenPxPosition(self.CenterPosition) + boundsOffset + sizeOffset;
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return new IRenderable[] { new TextRenderable(font, wr.ProjectedPosition(screenPos), Info.ZOffset, color, Info.Text) };
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}
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void INotifyOwnerChanged.OnOwnerChanged(Actor self, Player oldOwner, Player newOwner)
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{
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if (Info.UsePlayerColor)
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color = newOwner.Color.RGB;
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}
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}
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}
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