Files
OpenRA/OpenRA.Mods.Common/Traits/Render/RenderBuildingWall.cs
2015-01-09 21:18:05 +01:00

115 lines
3.1 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
* 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. For more information,
* see COPYING.
*/
#endregion
using System.Collections.Generic;
using System.Linq;
using OpenRA.Graphics;
using OpenRA.Mods.Common.Graphics;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits
{
class RenderBuildingWallInfo : RenderBuildingInfo
{
public readonly string Type = "wall";
public readonly string Sequence = "idle";
public override object Create(ActorInitializer init) { return new RenderBuildingWall(init, this); }
public override IEnumerable<IActorPreview> RenderPreviewSprites(ActorPreviewInitializer init, RenderSpritesInfo rs, string image, int facings, PaletteReference p)
{
// Show a static frame instead of animating all of the wall states
var anim = new Animation(init.World, image, () => 0);
anim.PlayFetchIndex("idle", () => 0);
yield return new SpriteActorPreview(anim, WVec.Zero, 0, p, rs.Scale);
}
}
class RenderBuildingWall : RenderBuilding, INotifyAddedToWorld, INotifyRemovedFromWorld
{
readonly RenderBuildingWallInfo info;
int adjacent = 0;
bool dirty = true;
public RenderBuildingWall(ActorInitializer init, RenderBuildingWallInfo info)
: base(init, info)
{
this.info = info;
}
public override void BuildingComplete(Actor self)
{
DefaultAnimation.PlayFetchIndex(info.Sequence, () => adjacent);
UpdateNeighbours(self);
}
public override void DamageStateChanged(Actor self, AttackInfo e)
{
DefaultAnimation.PlayFetchIndex(NormalizeSequence(DefaultAnimation, e.DamageState, info.Sequence), () => adjacent);
}
public override void Tick(Actor self)
{
base.Tick(self);
if (!dirty)
return;
// Update connection to neighbours
var adjacentActors = CVec.Directions.SelectMany(dir =>
self.World.ActorMap.GetUnitsAt(self.Location + dir));
adjacent = 0;
foreach (var a in adjacentActors)
{
var rb = a.TraitOrDefault<RenderBuildingWall>();
if (rb == null || rb.info.Type != info.Type)
continue;
var location = self.Location;
var otherLocation = a.Location;
if (otherLocation == location + new CVec(0, -1))
adjacent |= 1;
else if (otherLocation == location + new CVec(+1, 0))
adjacent |= 2;
else if (otherLocation == location + new CVec(0, +1))
adjacent |= 4;
else if (otherLocation == location + new CVec(-1, 0))
adjacent |= 8;
}
dirty = false;
}
static void UpdateNeighbours(Actor self)
{
var adjacentActors = CVec.Directions.SelectMany(dir =>
self.World.ActorMap.GetUnitsAt(self.Location + dir))
.Select(a => a.TraitOrDefault<RenderBuildingWall>())
.Where(a => a != null);
foreach (var rb in adjacentActors)
rb.dirty = true;
}
public void AddedToWorld(Actor self)
{
UpdateNeighbours(self);
}
public void RemovedFromWorld(Actor self)
{
UpdateNeighbours(self);
}
}
}