99 lines
3.1 KiB
C#
99 lines
3.1 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 OpenRA.Activities;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Activities
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{
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public abstract class HarvesterDockSequence : Activity
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{
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protected enum DockingState { Wait, Turn, Dock, Loop, Undock, Complete }
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protected readonly Actor Refinery;
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protected readonly Harvester Harv;
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protected readonly int DockAngle;
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protected readonly bool IsDragRequired;
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protected readonly WVec DragOffset;
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protected readonly int DragLength;
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protected readonly WPos StartDrag;
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protected readonly WPos EndDrag;
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protected DockingState dockingState;
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public HarvesterDockSequence(Actor self, Actor refinery, int dockAngle, bool isDragRequired, WVec dragOffset, int dragLength)
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{
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dockingState = DockingState.Turn;
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Refinery = refinery;
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DockAngle = dockAngle;
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IsDragRequired = isDragRequired;
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DragOffset = dragOffset;
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DragLength = dragLength;
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Harv = self.Trait<Harvester>();
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StartDrag = self.CenterPosition;
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EndDrag = refinery.CenterPosition + DragOffset;
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}
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public override Activity Tick(Actor self)
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{
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switch (dockingState)
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{
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case DockingState.Wait:
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return this;
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case DockingState.Turn:
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dockingState = DockingState.Dock;
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if (IsDragRequired)
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return ActivityUtils.SequenceActivities(new Turn(self, DockAngle), new Drag(self, StartDrag, EndDrag, DragLength), this);
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return ActivityUtils.SequenceActivities(new Turn(self, DockAngle), this);
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case DockingState.Dock:
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if (Refinery.IsInWorld && !Refinery.IsDead)
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foreach (var nd in Refinery.TraitsImplementing<INotifyDocking>())
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nd.Docked(Refinery, self);
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return OnStateDock(self);
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case DockingState.Loop:
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if (!Refinery.IsInWorld || Refinery.IsDead || Harv.TickUnload(self, Refinery))
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dockingState = DockingState.Undock;
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return this;
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case DockingState.Undock:
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return OnStateUndock(self);
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case DockingState.Complete:
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if (Refinery.IsInWorld && !Refinery.IsDead)
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foreach (var nd in Refinery.TraitsImplementing<INotifyDocking>())
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nd.Undocked(Refinery, self);
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Harv.LastLinkedProc = Harv.LinkedProc;
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Harv.LinkProc(self, null);
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if (IsDragRequired)
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return ActivityUtils.SequenceActivities(new Drag(self, EndDrag, StartDrag, DragLength), NextActivity);
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return NextActivity;
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}
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throw new InvalidOperationException("Invalid harvester dock state");
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}
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public override bool Cancel(Actor self)
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{
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dockingState = DockingState.Undock;
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return base.Cancel(self);
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}
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public override IEnumerable<Target> GetTargets(Actor self)
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{
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yield return Target.FromActor(Refinery);
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}
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public abstract Activity OnStateDock(Actor self);
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public abstract Activity OnStateUndock(Actor self);
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}
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} |