335 lines
11 KiB
C#
335 lines
11 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 System.Collections.Generic;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Orders;
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using OpenRA.Primitives;
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using OpenRA.Traits;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.Common.Orders
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{
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[Flags]
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public enum PlaceBuildingCellType { None = 0, Valid = 1, Invalid = 2, LineBuild = 4 }
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[RequireExplicitImplementation]
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public interface IPlaceBuildingPreviewGeneratorInfo : ITraitInfoInterface
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{
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IPlaceBuildingPreview CreatePreview(WorldRenderer wr, ActorInfo ai, TypeDictionary init);
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}
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public interface IPlaceBuildingPreview
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{
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int2 TopLeftScreenOffset { get; }
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void Tick();
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IEnumerable<IRenderable> Render(WorldRenderer wr, CPos topLeft, Dictionary<CPos, PlaceBuildingCellType> footprint);
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IEnumerable<IRenderable> RenderAnnotations(WorldRenderer wr, CPos topLeft);
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}
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public class PlaceBuildingOrderGenerator : IOrderGenerator
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{
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readonly string worldDefaultCursor = ChromeMetrics.Get<string>("WorldDefaultCursor");
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sealed class VariantWrapper
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{
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public readonly ActorInfo ActorInfo;
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public readonly BuildingInfo BuildingInfo;
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public readonly PlugInfo PlugInfo;
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public readonly LineBuildInfo LineBuildInfo;
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public readonly IPlaceBuildingPreview Preview;
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public VariantWrapper(WorldRenderer wr, ProductionQueue queue, ActorInfo ai)
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{
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ActorInfo = ai;
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BuildingInfo = ActorInfo.TraitInfo<BuildingInfo>();
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PlugInfo = ActorInfo.TraitInfoOrDefault<PlugInfo>();
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LineBuildInfo = ActorInfo.TraitInfoOrDefault<LineBuildInfo>();
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var previewGeneratorInfo = ActorInfo.TraitInfoOrDefault<IPlaceBuildingPreviewGeneratorInfo>();
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if (previewGeneratorInfo != null)
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{
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string faction;
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var buildableInfo = ActorInfo.TraitInfoOrDefault<BuildableInfo>();
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if (buildableInfo != null && buildableInfo.ForceFaction != null)
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faction = buildableInfo.ForceFaction;
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else
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{
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var mostLikelyProducer = queue.MostLikelyProducer();
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faction = mostLikelyProducer.Trait != null ? mostLikelyProducer.Trait.Faction : queue.Actor.Owner.Faction.InternalName;
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}
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var td = new TypeDictionary()
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{
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new FactionInit(faction),
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new OwnerInit(queue.Actor.Owner),
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};
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foreach (var api in ActorInfo.TraitInfos<IActorPreviewInitInfo>())
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foreach (var o in api.ActorPreviewInits(ActorInfo, ActorPreviewType.PlaceBuilding))
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td.Add(o);
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Preview = previewGeneratorInfo.CreatePreview(wr, ActorInfo, td);
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}
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}
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}
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readonly World world;
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protected readonly ProductionQueue Queue;
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readonly PlaceBuildingInfo placeBuildingInfo;
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readonly IResourceLayer resourceLayer;
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readonly Viewport viewport;
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readonly VariantWrapper[] variants;
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int variant;
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public PlaceBuildingOrderGenerator(ProductionQueue queue, string name, WorldRenderer worldRenderer)
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{
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Queue = queue;
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world = queue.Actor.World;
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placeBuildingInfo = queue.Actor.Owner.PlayerActor.Info.TraitInfo<PlaceBuildingInfo>();
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resourceLayer = world.WorldActor.TraitOrDefault<IResourceLayer>();
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viewport = worldRenderer.Viewport;
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// Clear selection if using Left-Click Orders
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if (Game.Settings.Game.UseClassicMouseStyle)
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world.Selection.Clear();
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var variants = new List<VariantWrapper>()
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{
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new(worldRenderer, queue, world.Map.Rules.Actors[name])
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};
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foreach (var v in variants[0].ActorInfo.TraitInfos<PlaceBuildingVariantsInfo>())
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foreach (var a in v.Actors)
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variants.Add(new VariantWrapper(worldRenderer, queue, world.Map.Rules.Actors[a]));
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this.variants = variants.ToArray();
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}
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static PlaceBuildingCellType MakeCellType(bool valid, bool lineBuild = false)
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{
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var cell = valid ? PlaceBuildingCellType.Valid : PlaceBuildingCellType.Invalid;
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if (lineBuild)
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cell |= PlaceBuildingCellType.LineBuild;
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return cell;
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}
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public IEnumerable<Order> Order(World world, CPos cell, int2 worldPixel, MouseInput mi)
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{
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if ((mi.Button == MouseButton.Left && mi.Event == MouseInputEvent.Down) || (mi.Button == MouseButton.Right && mi.Event == MouseInputEvent.Up))
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{
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if (mi.Button == MouseButton.Right)
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world.CancelInputMode();
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var ret = InnerOrder(world, cell, mi).ToArray();
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// If there was a successful placement order
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if (ret.Any(o =>
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o.OrderString == "PlaceBuilding"
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|| o.OrderString == "LineBuild"
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|| o.OrderString == "PlacePlug"))
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world.CancelInputMode();
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return ret;
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}
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return Enumerable.Empty<Order>();
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}
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CPos TopLeft
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{
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get
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{
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var offsetPos = Viewport.LastMousePos;
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if (variants[variant].Preview != null)
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offsetPos += variants[variant].Preview.TopLeftScreenOffset;
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return viewport.ViewToWorld(offsetPos);
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}
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}
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protected virtual IEnumerable<Order> InnerOrder(World world, CPos cell, MouseInput mi)
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{
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if (world.Paused)
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yield break;
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var owner = Queue.Actor.Owner;
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var ai = variants[variant].ActorInfo;
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var bi = variants[variant].BuildingInfo;
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var notification = Queue.Info.CannotPlaceAudio ?? placeBuildingInfo.CannotPlaceNotification;
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if (mi.Button == MouseButton.Left)
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{
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var orderType = "PlaceBuilding";
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var topLeft = TopLeft;
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var plugInfo = ai.TraitInfoOrDefault<PlugInfo>();
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if (plugInfo != null)
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{
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orderType = "PlacePlug";
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if (!AcceptsPlug(topLeft, plugInfo))
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{
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Game.Sound.PlayNotification(world.Map.Rules, owner, "Speech", notification, owner.Faction.InternalName);
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TextNotificationsManager.AddTransientLine(owner, placeBuildingInfo.CannotPlaceTextNotification);
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yield break;
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}
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}
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else
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{
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if (!world.CanPlaceBuilding(topLeft, ai, bi, null)
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|| !bi.IsCloseEnoughToBase(world, owner, ai, topLeft))
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{
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foreach (var order in ClearBlockersOrders(topLeft))
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yield return order;
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Game.Sound.PlayNotification(world.Map.Rules, owner, "Speech", notification, owner.Faction.InternalName);
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TextNotificationsManager.AddTransientLine(owner, placeBuildingInfo.CannotPlaceTextNotification);
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yield break;
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}
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if (ai.HasTraitInfo<LineBuildInfo>() && !mi.Modifiers.HasModifier(Modifiers.Shift))
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orderType = "LineBuild";
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}
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yield return new Order(orderType, owner.PlayerActor, Target.FromCell(world, topLeft), false)
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{
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// Building to place
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TargetString = variants[0].ActorInfo.Name,
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// Actor ID to associate with placement may be quite large, so it gets its own uint
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ExtraData = Queue.Actor.ActorID,
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// Actor variant will always be small enough to safely pack in a CPos
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ExtraLocation = new CPos(variant, 0),
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SuppressVisualFeedback = true
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};
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}
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}
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void IOrderGenerator.Tick(World world)
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{
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if (Queue.AllQueued().All(i => !i.Done || i.Item != variants[0].ActorInfo.Name))
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world.CancelInputMode();
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foreach (var v in variants)
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v.Preview?.Tick();
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}
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void IOrderGenerator.SelectionChanged(World world, IEnumerable<Actor> selected) { }
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bool AcceptsPlug(CPos cell, PlugInfo plug)
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{
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foreach (var a in world.ActorMap.GetActorsAt(cell))
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foreach (var p in a.TraitsImplementing<Pluggable>())
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if (p.AcceptsPlug(plug.Type))
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return true;
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return false;
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}
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IEnumerable<IRenderable> IOrderGenerator.Render(WorldRenderer wr, World world) { yield break; }
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IEnumerable<IRenderable> IOrderGenerator.RenderAboveShroud(WorldRenderer wr, World world)
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{
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var topLeft = TopLeft;
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var footprint = new Dictionary<CPos, PlaceBuildingCellType>();
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var activeVariant = variants[variant];
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var actorInfo = activeVariant.ActorInfo;
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var buildingInfo = activeVariant.BuildingInfo;
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var plugInfo = activeVariant.PlugInfo;
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var lineBuildInfo = activeVariant.LineBuildInfo;
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var preview = activeVariant.Preview;
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var owner = Queue.Actor.Owner;
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if (plugInfo != null)
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{
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if (buildingInfo.Dimensions.X != 1 || buildingInfo.Dimensions.Y != 1)
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throw new InvalidOperationException("Plug requires a 1x1 sized Building");
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footprint.Add(topLeft, MakeCellType(AcceptsPlug(topLeft, plugInfo)));
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}
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else if (lineBuildInfo != null && owner.Shroud.IsExplored(topLeft))
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{
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// Linebuild for walls.
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if (buildingInfo.Dimensions.X != 1 || buildingInfo.Dimensions.Y != 1)
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throw new InvalidOperationException("LineBuild requires a 1x1 sized Building");
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if (!Game.GetModifierKeys().HasModifier(Modifiers.Shift))
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{
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var segmentInfo = actorInfo;
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var segmentBuildingInfo = buildingInfo;
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if (!string.IsNullOrEmpty(lineBuildInfo.SegmentType))
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{
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segmentInfo = world.Map.Rules.Actors[lineBuildInfo.SegmentType];
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segmentBuildingInfo = segmentInfo.TraitInfo<BuildingInfo>();
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}
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foreach (var t in BuildingUtils.GetLineBuildCells(world, topLeft, actorInfo, buildingInfo, owner))
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{
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var lineBuildable = world.IsCellBuildable(t.Cell, segmentInfo, segmentBuildingInfo);
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var lineCloseEnough = segmentBuildingInfo.IsCloseEnoughToBase(world, world.LocalPlayer, segmentInfo, t.Cell);
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footprint.Add(t.Cell, MakeCellType(lineBuildable && lineCloseEnough, true));
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}
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}
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var buildable = world.IsCellBuildable(topLeft, actorInfo, buildingInfo);
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var closeEnough = buildingInfo.IsCloseEnoughToBase(world, world.LocalPlayer, actorInfo, topLeft);
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footprint[topLeft] = MakeCellType(buildable && closeEnough);
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}
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else
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{
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var isCloseEnough = buildingInfo.IsCloseEnoughToBase(world, world.LocalPlayer, actorInfo, topLeft);
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foreach (var t in buildingInfo.Tiles(topLeft))
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footprint.Add(t, MakeCellType(isCloseEnough && world.IsCellBuildable(t, actorInfo, buildingInfo) && (resourceLayer == null || resourceLayer.GetResource(t).Type == null)));
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}
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return preview?.Render(wr, topLeft, footprint) ?? Enumerable.Empty<IRenderable>();
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}
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IEnumerable<IRenderable> IOrderGenerator.RenderAnnotations(WorldRenderer wr, World world)
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{
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var preview = variants[variant].Preview;
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return preview?.RenderAnnotations(wr, TopLeft) ?? Enumerable.Empty<IRenderable>();
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}
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public virtual string GetCursor(World world, CPos cell, int2 worldPixel, MouseInput mi)
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{
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return worldDefaultCursor;
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}
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bool IOrderGenerator.HandleKeyPress(KeyInput e)
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{
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if (variants.Length > 0 && placeBuildingInfo.ToggleVariantKey.IsActivatedBy(e))
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{
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if (++variant >= variants.Length)
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variant = 0;
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return true;
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}
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return false;
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}
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void IOrderGenerator.Deactivate() { }
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IEnumerable<Order> ClearBlockersOrders(CPos topLeft)
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{
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return AIUtils.ClearBlockersOrders(variants[variant].BuildingInfo.Tiles(topLeft).ToList(), Queue.Actor.Owner);
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}
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}
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}
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