Files
OpenRA/OpenRA.Mods.RA/Modifiers/FrozenUnderFog.cs
2014-04-09 20:20:41 +12:00

121 lines
3.3 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2013 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;
using System.Collections.Generic;
using System.Linq;
using OpenRA.FileFormats;
using OpenRA.Graphics;
using OpenRA.Mods.RA.Buildings;
using OpenRA.Traits;
namespace OpenRA.Mods.RA
{
public class FrozenUnderFogInfo : ITraitInfo, Requires<BuildingInfo>, Requires<RenderSpritesInfo>
{
public readonly bool StartsRevealed = false;
public object Create(ActorInitializer init) { return new FrozenUnderFog(init, this); }
}
public class FrozenUnderFog : IRenderModifier, IVisibilityModifier, ITick, ITickRender, ISync
{
[Sync] public int VisibilityHash;
bool initialized, startsRevealed;
IEnumerable<CPos> footprint;
Lazy<IToolTip> tooltip;
Lazy<Health> health;
Dictionary<Player, bool> visible;
Dictionary<Player, FrozenActor> frozen;
public FrozenUnderFog(ActorInitializer init, FrozenUnderFogInfo info)
{
// Spawned actors (e.g. building husks) shouldn't be revealed
startsRevealed = info.StartsRevealed && !init.Contains<ParentActorInit>();
footprint = FootprintUtils.Tiles(init.self);
tooltip = Exts.Lazy(() => init.self.TraitsImplementing<IToolTip>().FirstOrDefault());
tooltip = Exts.Lazy(() => init.self.TraitsImplementing<IToolTip>().FirstOrDefault());
health = Exts.Lazy(() => init.self.TraitOrDefault<Health>());
frozen = new Dictionary<Player, FrozenActor>();
visible = init.world.Players.ToDictionary(p => p, p => false);
}
public bool IsVisible(Actor self, Player byPlayer)
{
return byPlayer == null || visible[byPlayer];
}
public void Tick(Actor self)
{
if (self.Destroyed)
return;
VisibilityHash = 0;
foreach (var p in self.World.Players)
{
visible[p] = footprint.Any(c => p.Shroud.IsVisible(c));
if (visible[p])
VisibilityHash += p.ClientIndex;
}
if (!initialized)
{
foreach (var p in self.World.Players)
{
visible[p] |= startsRevealed;
frozen[p] = new FrozenActor(self, footprint);
p.PlayerActor.Trait<FrozenActorLayer>().Add(frozen[p]);
}
initialized = true;
}
foreach (var player in self.World.Players)
{
if (!visible[player])
continue;
frozen[player].Owner = self.Owner;
if (health.Value != null)
{
frozen[player].HP = health.Value.HP;
frozen[player].DamageState = health.Value.DamageState;
}
if (tooltip.Value != null)
{
frozen[player].TooltipName = tooltip.Value.Name();
frozen[player].TooltipOwner = tooltip.Value.Owner();
}
}
}
public void TickRender(WorldRenderer wr, Actor self)
{
if (self.Destroyed || !initialized || !visible.Any(v => v.Value))
return;
// Force a copy of the underlying data
var renderables = self.Render(wr).Select(rr => rr).ToArray();
foreach (var player in self.World.Players)
if (visible[player])
frozen[player].Renderables = renderables;
}
public IEnumerable<IRenderable> ModifyRender(Actor self, WorldRenderer wr, IEnumerable<IRenderable> r)
{
return IsVisible(self, self.World.RenderPlayer) ? r : SpriteRenderable.None;
}
}
}