96 lines
2.8 KiB
C#
96 lines
2.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System.Collections.Generic;
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using System.Linq;
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using OpenRA.Effects;
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using OpenRA.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA.Effects
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{
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class Parachute : IEffect
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{
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readonly Animation anim;
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readonly Animation paraAnim;
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readonly float2 location;
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readonly Actor cargo;
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readonly Player owner;
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float altitude;
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const float fallRate = .3f;
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public Parachute(Player owner, string image, float2 location, int altitude, Actor cargo)
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{
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this.location = location;
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this.altitude = altitude;
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this.cargo = cargo;
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this.owner = owner;
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anim = new Animation(image);
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if (anim.HasSequence("idle"))
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anim.PlayFetchIndex("idle", () => 0);
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else
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anim.PlayFetchIndex("stand", () => 0);
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anim.Tick();
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paraAnim = new Animation("parach");
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paraAnim.PlayThen("open", () => paraAnim.PlayRepeating("idle"));
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}
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public void Tick(World world)
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{
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paraAnim.Tick();
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altitude -= fallRate;
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if (altitude <= 0)
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world.AddFrameEndTask(w =>
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{
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w.Remove(this);
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var loc = Traits.Util.CellContaining(location);
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cargo.CancelActivity();
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var mobile = cargo.traits.WithInterface<IMove>().FirstOrDefault();
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if (mobile != null)
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mobile.SetPosition(cargo, loc);
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else
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{
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cargo.CenterLocation = Traits.Util.CenterOfCell(loc);
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if (cargo.traits.Contains<IOccupySpace>())
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world.WorldActor.traits.Get<UnitInfluence>().Add(cargo, cargo.traits.Get<IOccupySpace>());
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}
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w.Add(cargo);
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});
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}
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public IEnumerable<Renderable> Render()
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{
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var pos = location - new float2(0, altitude);
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yield return new Renderable(anim.Image, location - .5f * anim.Image.size, "shadow", 0);
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yield return new Renderable(anim.Image, pos - .5f * anim.Image.size, owner.Palette, 2);
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yield return new Renderable(paraAnim.Image, pos - .5f * paraAnim.Image.size, owner.Palette, 3);
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}
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}
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}
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