444 lines
11 KiB
C#
Executable File
444 lines
11 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Drawing;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Support;
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using System.Collections.Generic;
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namespace OpenRA.Traits
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{
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public static class Util
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{
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public static int TickFacing( int facing, int desiredFacing, int rot )
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{
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var leftTurn = ( facing - desiredFacing ) & 0xFF;
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var rightTurn = ( desiredFacing - facing ) & 0xFF;
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if( Math.Min( leftTurn, rightTurn ) < rot )
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return desiredFacing & 0xFF;
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else if( rightTurn < leftTurn )
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return ( facing + rot ) & 0xFF;
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else
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return ( facing - rot ) & 0xFF;
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}
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public static int GetFacing( int2 d, int currentFacing )
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{
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if (d == int2.Zero)
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return currentFacing;
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int highest = -1;
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int highestDot = -1;
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for( int i = 0 ; i < fvecs.Length ; i++ )
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{
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int dot = int2.Dot( fvecs[ i ], d );
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if( dot > highestDot )
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{
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highestDot = dot;
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highest = i;
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}
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}
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return highest * 8;
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}
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public static int GetNearestFacing( int facing, int desiredFacing )
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{
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var turn = desiredFacing - facing;
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if( turn > 128 )
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turn -= 256;
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if( turn < -128 )
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turn += 256;
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return facing + turn;
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}
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public static int QuantizeFacing(int facing, int numFrames)
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{
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var step = 256 / numFrames;
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var a = (facing + step / 2) & 0xff;
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return a / step;
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}
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public static float2 RotateVectorByFacing(float2 v, int facing, float ecc)
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{
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var angle = (facing / 256f) * (2 * (float)Math.PI);
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var sinAngle = (float)Math.Sin(angle);
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var cosAngle = (float)Math.Cos(angle);
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return new float2(
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(cosAngle * v.X + sinAngle * v.Y),
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ecc * (cosAngle * v.Y - sinAngle * v.X));
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}
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public static int2 CenterOfCell(int2 loc)
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{
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return new int2( Game.CellSize / 2, Game.CellSize / 2 ) + Game.CellSize * loc;
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}
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public static int2 BetweenCells(int2 from, int2 to)
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{
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return int2.Lerp( CenterOfCell( from ), CenterOfCell( to ), 1, 2 );
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}
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public static int2 AsInt2(this int[] xs) { return new int2(xs[0], xs[1]); }
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public static float2 RelOffset(this int[] offset) { return new float2(offset[0], offset[1]); }
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public static float2 AbsOffset(this int[] offset) { return new float2(offset.ElementAtOrDefault(2), offset.ElementAtOrDefault(3)); }
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public static Renderable Centered(Actor self, Sprite s, float2 location)
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{
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var pal = self.Owner == null ? "player0" : self.Owner.Palette;
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var loc = location - 0.5f * s.size;
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return new Renderable(s, loc.Round(), pal, (int)self.CenterLocation.Y);
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}
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public static IActivity SequenceActivities(params IActivity[] acts)
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{
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return acts.Reverse().Aggregate(
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(next, a) => { a.Queue( next ); return a; });
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}
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public static IActivity RunActivity( Actor self, IActivity act )
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{
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while( act != null )
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{
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var prev = act;
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var sw = new Stopwatch();
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act = act.Tick( self );
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var dt = sw.ElapsedTime();
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if(dt > Game.Settings.Debug.LongTickThreshold)
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Log.Write("perf", "[{2}] Activity: {0} ({1:0.000} ms)", prev, dt * 1000, Game.LocalTick);
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if( prev == act )
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break;
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}
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return act;
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}
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public static Color ArrayToColor(int[] x) { return Color.FromArgb(x[0], x[1], x[2]); }
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public static int2 CellContaining(float2 pos) { return (1f / Game.CellSize * pos).ToInt2(); }
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/* pretty crap */
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public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> ts, Thirdparty.Random random)
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{
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var items = ts.ToList();
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while (items.Count > 0)
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{
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var t = items.Random(random);
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yield return t;
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items.Remove(t);
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}
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}
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static int2[] fvecs =
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{
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new int2( 0, -1331 ),
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new int2( -199, -1305 ),
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new int2( -391, -1229 ),
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new int2( -568, -1106 ),
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new int2( -724, -941 ),
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new int2( -851, -739 ),
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new int2( -946, -509 ),
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new int2( -1004, -259 ),
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new int2( -1024, 0 ),
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new int2( -1004, 259 ),
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new int2( -946, 509 ),
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new int2( -851, 739 ),
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new int2( -724, 941 ),
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new int2( -568, 1106 ),
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new int2( -391, 1229 ),
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new int2( -199, 1305 ),
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new int2( 0, 1331 ),
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new int2( 199, 1305 ),
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new int2( 391, 1229 ),
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new int2( 568, 1106 ),
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new int2( 724, 941 ),
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new int2( 851, 739 ),
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new int2( 946, 509 ),
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new int2( 1004, 259 ),
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new int2( 1024, 0 ),
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new int2( 1004, -259 ),
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new int2( 946, -509 ),
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new int2( 851, -739 ),
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new int2( 724, -941 ),
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new int2( 568, -1106 ),
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new int2( 391, -1229 ),
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new int2( 199, -1305 )
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};
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public static readonly int2[] SubPxVector =
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{
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new int2( 0, 1024 ),
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new int2( 25, 1023 ),
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new int2( 50, 1022 ),
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new int2( 75, 1021 ),
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new int2( 100, 1019 ),
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new int2( 125, 1016 ),
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new int2( 150, 1012 ),
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new int2( 175, 1008 ),
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new int2( 199, 1004 ),
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new int2( 224, 999 ),
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new int2( 248, 993 ),
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new int2( 273, 986 ),
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new int2( 297, 979 ),
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new int2( 321, 972 ),
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new int2( 344, 964 ),
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new int2( 368, 955 ),
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new int2( 391, 946 ),
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new int2( 414, 936 ),
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new int2( 437, 925 ),
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new int2( 460, 914 ),
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new int2( 482, 903 ),
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new int2( 504, 890 ),
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new int2( 526, 878 ),
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new int2( 547, 865 ),
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new int2( 568, 851 ),
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new int2( 589, 837 ),
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new int2( 609, 822 ),
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new int2( 629, 807 ),
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new int2( 649, 791 ),
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new int2( 668, 775 ),
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new int2( 687, 758 ),
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new int2( 706, 741 ),
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new int2( 724, 724 ),
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new int2( 741, 706 ),
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new int2( 758, 687 ),
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new int2( 775, 668 ),
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new int2( 791, 649 ),
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new int2( 807, 629 ),
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new int2( 822, 609 ),
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new int2( 837, 589 ),
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new int2( 851, 568 ),
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new int2( 865, 547 ),
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new int2( 878, 526 ),
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new int2( 890, 504 ),
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new int2( 903, 482 ),
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new int2( 914, 460 ),
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new int2( 925, 437 ),
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new int2( 936, 414 ),
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new int2( 946, 391 ),
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new int2( 955, 368 ),
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new int2( 964, 344 ),
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new int2( 972, 321 ),
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new int2( 979, 297 ),
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new int2( 986, 273 ),
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new int2( 993, 248 ),
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new int2( 999, 224 ),
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new int2( 1004, 199 ),
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new int2( 1008, 175 ),
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new int2( 1012, 150 ),
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new int2( 1016, 125 ),
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new int2( 1019, 100 ),
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new int2( 1021, 75 ),
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new int2( 1022, 50 ),
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new int2( 1023, 25 ),
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new int2( 1024, 0 ),
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new int2( 1023, -25 ),
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new int2( 1022, -50 ),
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new int2( 1021, -75 ),
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new int2( 1019, -100 ),
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new int2( 1016, -125 ),
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new int2( 1012, -150 ),
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new int2( 1008, -175 ),
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new int2( 1004, -199 ),
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new int2( 999, -224 ),
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new int2( 993, -248 ),
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new int2( 986, -273 ),
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new int2( 979, -297 ),
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new int2( 972, -321 ),
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new int2( 964, -344 ),
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new int2( 955, -368 ),
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new int2( 946, -391 ),
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new int2( 936, -414 ),
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new int2( 925, -437 ),
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new int2( 914, -460 ),
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new int2( 903, -482 ),
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new int2( 890, -504 ),
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new int2( 878, -526 ),
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new int2( 865, -547 ),
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new int2( 851, -568 ),
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new int2( 837, -589 ),
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new int2( 822, -609 ),
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new int2( 807, -629 ),
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new int2( 791, -649 ),
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new int2( 775, -668 ),
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new int2( 758, -687 ),
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new int2( 741, -706 ),
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new int2( 724, -724 ),
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new int2( 706, -741 ),
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new int2( 687, -758 ),
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new int2( 668, -775 ),
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new int2( 649, -791 ),
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new int2( 629, -807 ),
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new int2( 609, -822 ),
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new int2( 589, -837 ),
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new int2( 568, -851 ),
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new int2( 547, -865 ),
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new int2( 526, -878 ),
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new int2( 504, -890 ),
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new int2( 482, -903 ),
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new int2( 460, -914 ),
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new int2( 437, -925 ),
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new int2( 414, -936 ),
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new int2( 391, -946 ),
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new int2( 368, -955 ),
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new int2( 344, -964 ),
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new int2( 321, -972 ),
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new int2( 297, -979 ),
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new int2( 273, -986 ),
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new int2( 248, -993 ),
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new int2( 224, -999 ),
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new int2( 199, -1004 ),
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new int2( 175, -1008 ),
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new int2( 150, -1012 ),
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new int2( 125, -1016 ),
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new int2( 100, -1019 ),
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new int2( 75, -1021 ),
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new int2( 50, -1022 ),
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new int2( 25, -1023 ),
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new int2( 0, -1024 ),
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new int2( -25, -1023 ),
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new int2( -50, -1022 ),
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new int2( -75, -1021 ),
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new int2( -100, -1019 ),
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new int2( -125, -1016 ),
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new int2( -150, -1012 ),
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new int2( -175, -1008 ),
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new int2( -199, -1004 ),
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new int2( -224, -999 ),
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new int2( -248, -993 ),
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new int2( -273, -986 ),
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new int2( -297, -979 ),
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new int2( -321, -972 ),
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new int2( -344, -964 ),
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new int2( -368, -955 ),
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new int2( -391, -946 ),
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new int2( -414, -936 ),
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new int2( -437, -925 ),
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new int2( -460, -914 ),
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new int2( -482, -903 ),
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new int2( -504, -890 ),
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new int2( -526, -878 ),
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new int2( -547, -865 ),
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new int2( -568, -851 ),
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new int2( -589, -837 ),
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new int2( -609, -822 ),
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new int2( -629, -807 ),
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new int2( -649, -791 ),
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new int2( -668, -775 ),
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new int2( -687, -758 ),
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new int2( -706, -741 ),
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new int2( -724, -724 ),
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new int2( -741, -706 ),
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new int2( -758, -687 ),
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new int2( -775, -668 ),
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new int2( -791, -649 ),
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new int2( -807, -629 ),
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new int2( -822, -609 ),
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new int2( -837, -589 ),
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new int2( -851, -568 ),
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new int2( -865, -547 ),
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new int2( -878, -526 ),
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new int2( -890, -504 ),
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new int2( -903, -482 ),
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new int2( -914, -460 ),
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new int2( -925, -437 ),
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new int2( -936, -414 ),
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new int2( -946, -391 ),
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new int2( -955, -368 ),
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new int2( -964, -344 ),
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new int2( -972, -321 ),
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new int2( -979, -297 ),
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new int2( -986, -273 ),
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new int2( -993, -248 ),
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new int2( -999, -224 ),
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new int2( -1004, -199 ),
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new int2( -1008, -175 ),
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new int2( -1012, -150 ),
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new int2( -1016, -125 ),
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new int2( -1019, -100 ),
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new int2( -1021, -75 ),
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new int2( -1022, -50 ),
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new int2( -1023, -25 ),
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new int2( -1024, 0 ),
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new int2( -1023, 25 ),
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new int2( -1022, 50 ),
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new int2( -1021, 75 ),
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new int2( -1019, 100 ),
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new int2( -1016, 125 ),
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new int2( -1012, 150 ),
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new int2( -1008, 175 ),
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new int2( -1004, 199 ),
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new int2( -999, 224 ),
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new int2( -993, 248 ),
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new int2( -986, 273 ),
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new int2( -979, 297 ),
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new int2( -972, 321 ),
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new int2( -964, 344 ),
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new int2( -955, 368 ),
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new int2( -946, 391 ),
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new int2( -936, 414 ),
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new int2( -925, 437 ),
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new int2( -914, 460 ),
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new int2( -903, 482 ),
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new int2( -890, 504 ),
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new int2( -878, 526 ),
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new int2( -865, 547 ),
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new int2( -851, 568 ),
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new int2( -837, 589 ),
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new int2( -822, 609 ),
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new int2( -807, 629 ),
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new int2( -791, 649 ),
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new int2( -775, 668 ),
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new int2( -758, 687 ),
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new int2( -741, 706 ),
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new int2( -724, 724 ),
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new int2( -706, 741 ),
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new int2( -687, 758 ),
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new int2( -668, 775 ),
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new int2( -649, 791 ),
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new int2( -629, 807 ),
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new int2( -609, 822 ),
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new int2( -589, 837 ),
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new int2( -568, 851 ),
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new int2( -547, 865 ),
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new int2( -526, 878 ),
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new int2( -504, 890 ),
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new int2( -482, 903 ),
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new int2( -460, 914 ),
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new int2( -437, 925 ),
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new int2( -414, 936 ),
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new int2( -391, 946 ),
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new int2( -368, 955 ),
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new int2( -344, 964 ),
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new int2( -321, 972 ),
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new int2( -297, 979 ),
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new int2( -273, 986 ),
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new int2( -248, 993 ),
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new int2( -224, 999 ),
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new int2( -199, 1004 ),
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new int2( -175, 1008 ),
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new int2( -150, 1012 ),
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new int2( -125, 1016 ),
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new int2( -100, 1019 ),
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new int2( -75, 1021 ),
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new int2( -50, 1022 ),
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new int2( -25, 1023 )
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};
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}
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}
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