Files
OpenRA/OpenRA.Mods.Common/Effects/RallyPointIndicator.cs
2019-03-04 18:26:42 +00:00

118 lines
2.9 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2019 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, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Collections.Generic;
using OpenRA.Effects;
using OpenRA.Graphics;
using OpenRA.Mods.Common.Traits;
namespace OpenRA.Mods.Common.Effects
{
class RallyPointIndicator : IEffect, IEffectAboveShroud
{
readonly Actor building;
readonly RallyPoint rp;
readonly Animation flag;
readonly Animation circles;
readonly ExitInfo[] exits;
readonly WPos[] targetLine = new WPos[2];
CPos cachedLocation;
public RallyPointIndicator(Actor building, RallyPoint rp, ExitInfo[] exits)
{
this.building = building;
this.rp = rp;
this.exits = exits;
if (rp.Info.Image != null)
{
flag = new Animation(building.World, rp.Info.Image);
flag.PlayRepeating(rp.Info.FlagSequence);
circles = new Animation(building.World, rp.Info.Image);
circles.Play(rp.Info.CirclesSequence);
}
}
void IEffect.Tick(World world)
{
if (flag != null)
flag.Tick();
if (circles != null)
circles.Tick();
if (cachedLocation != rp.Location)
{
cachedLocation = rp.Location;
var rallyPos = world.Map.CenterOfCell(cachedLocation);
var exitPos = building.CenterPosition;
// Find closest exit
var dist = int.MaxValue;
foreach (var exit in exits)
{
var ep = building.CenterPosition + exit.SpawnOffset;
var len = (rallyPos - ep).Length;
if (len < dist)
{
dist = len;
exitPos = ep;
}
}
targetLine[0] = exitPos;
targetLine[1] = rallyPos;
if (circles != null)
circles.Play(rp.Info.CirclesSequence);
}
if (!building.IsInWorld || building.IsDead)
world.AddFrameEndTask(w => w.Remove(this));
}
IEnumerable<IRenderable> IEffect.Render(WorldRenderer wr) { return SpriteRenderable.None; }
IEnumerable<IRenderable> IEffectAboveShroud.RenderAboveShroud(WorldRenderer wr)
{
if (!building.IsInWorld || !building.Owner.IsAlliedWith(building.World.LocalPlayer))
return SpriteRenderable.None;
if (!building.World.Selection.Contains(building))
return SpriteRenderable.None;
return RenderInner(wr);
}
IEnumerable<IRenderable> RenderInner(WorldRenderer wr)
{
if (Game.Settings.Game.DrawTargetLine)
yield return new TargetLineRenderable(targetLine, building.Owner.Color);
if (circles != null || flag != null)
{
var palette = wr.Palette(rp.PaletteName);
if (circles != null)
foreach (var r in circles.Render(targetLine[1], palette))
yield return r;
if (flag != null)
foreach (var r in flag.Render(targetLine[1], palette))
yield return r;
}
}
}
}