111 lines
3.1 KiB
C#
Executable File
111 lines
3.1 KiB
C#
Executable File
#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 OpenRA.Graphics;
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using OpenRA.Traits;
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using OpenRA.GameRules;
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namespace OpenRA.Effects
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{
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class TeslaZapInfo : IProjectileInfo
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{
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public IEffect Create(ProjectileArgs args) { return null; }
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}
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class TeslaZap : IEffect
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{
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readonly int2 from, to;
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readonly Sequence tesla;
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int timeUntilRemove = 2; // # of frames
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public TeslaZap( int2 from, int2 to )
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{
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this.from = from;
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this.to = to;
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this.tesla = SequenceProvider.GetSequence( "litning", "bright" );
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}
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public void Tick( World world )
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{
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if( timeUntilRemove <= 0 )
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world.AddFrameEndTask( w => w.Remove( this ) );
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--timeUntilRemove;
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}
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public IEnumerable<Renderable> Render()
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{
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if( from.X < to.X )
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return DrawZap( from, to, tesla );
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else if( from.X > to.X || from.Y > to.Y )
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return DrawZap( to, from, tesla );
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else
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return DrawZap( from, to, tesla );
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}
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static IEnumerable<Renderable> DrawZap( int2 from, int2 to, Sequence tesla )
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{
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int2 d = to - from;
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if( d.X < 8 )
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{
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var prev = new int2( 0, 0 );
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var y = d.Y;
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while( y >= prev.Y + 8 )
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{
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yield return new Renderable( tesla.GetSprite( 2 ), (float2)( from + prev - new int2( 0, 8 ) ), "effect");
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prev.Y += 8;
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}
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}
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else
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{
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var prev = new int2( 0, 0 );
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for( int i = 1 ; i < d.X ; i += 8 )
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{
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var y = i * d.Y / d.X;
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if( y <= prev.Y - 8 )
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{
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yield return new Renderable(tesla.GetSprite(3), (float2)(from + prev - new int2(8, 16)), "effect");
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prev.Y -= 8;
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while( y <= prev.Y - 8 )
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{
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yield return new Renderable(tesla.GetSprite(2), (float2)(from + prev - new int2(0, 16)), "effect");
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prev.Y -= 8;
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}
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}
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else if( y >= prev.Y + 8 )
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{
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yield return new Renderable(tesla.GetSprite(0), (float2)(from + prev - new int2(8, 8)), "effect");
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prev.Y += 8;
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while( y >= prev.Y + 8 )
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{
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yield return new Renderable(tesla.GetSprite(2), (float2)(from + prev - new int2(0, 8)), "effect");
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prev.Y += 8;
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}
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}
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else
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yield return new Renderable(tesla.GetSprite(1), (float2)(from + prev - new int2(8, 8)), "effect");
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prev.X += 8;
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}
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}
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}
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}
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}
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