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rename OpenRA.Support.Random aka XRandom to MersenneTwister

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This commit is contained in:
Matthias Mailänder
2014-05-18 21:53:21 +02:00
parent d7c445b117
commit 187362e80e
15 changed files with 32 additions and 31 deletions
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5
OpenRA.Game/Exts.cs Executable file → Normal file
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@@ -14,6 +14,7 @@ using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Reflection;
using OpenRA.Support;
namespace OpenRA
{
@@ -100,13 +101,13 @@ namespace OpenRA
return ret;
}
public static T Random<T>(this IEnumerable<T> ts, Support.Random r)
public static T Random<T>(this IEnumerable<T> ts, MersenneTwister r)
{
var xs = ts.ToArray();
return xs[r.Next(xs.Length)];
}
public static T RandomOrDefault<T>(this IEnumerable<T> ts, Support.Random r)
public static T RandomOrDefault<T>(this IEnumerable<T> ts, MersenneTwister r)
{
if (!ts.Any())
return default(T);

4
OpenRA.Game/Game.cs
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@@ -24,8 +24,6 @@ using OpenRA.Primitives;
using OpenRA.Support;
using OpenRA.Widgets;
using XRandom = OpenRA.Support.Random;
namespace OpenRA
{
public static class Game
@@ -39,7 +37,7 @@ namespace OpenRA
internal static OrderManager orderManager;
static Server.Server server;
public static XRandom CosmeticRandom = new XRandom(); // not synced
public static MersenneTwister CosmeticRandom = new MersenneTwister(); // not synced
public static Renderer Renderer;
public static bool HasInputFocus = false;

2
OpenRA.Game/OpenRA.Game.csproj
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@@ -247,6 +247,7 @@
<Compile Include="ModMetadata.cs" />
<Compile Include="GameRules\Ruleset.cs" />
<Compile Include="GameRules\RulesetCache.cs" />
<Compile Include="Support\MersenneTwister.cs" />
</ItemGroup>
<ItemGroup>
<Compile Include="FileSystem\D2kSoundResources.cs" />
@@ -321,7 +322,6 @@
<Compile Include="WRot.cs" />
<Compile Include="WVec.cs" />
<Compile Include="Primitives\TypeDictionary.cs" />
<Compile Include="Support\Random.cs" />
<Compile Include="Map\ActorInitializer.cs" />
<Compile Include="Map\ActorReference.cs" />
<Compile Include="Support\Evaluator.cs" />

3
OpenRA.Game/Server/Server.cs
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@@ -21,6 +21,7 @@ using OpenRA.GameRules;
using OpenRA.Graphics;
using OpenRA.Network;
using OpenRA.Primitives;
using OpenRA.Support;
using XTimer = System.Timers.Timer;
@@ -39,7 +40,7 @@ namespace OpenRA.Server
public readonly int Port;
int randomSeed;
public readonly Support.Random Random = new Support.Random();
public readonly MersenneTwister Random = new MersenneTwister();
// Valid player connections
public List<Connection> Conns = new List<Connection>();

9
OpenRA.Game/Support/Random.cs → OpenRA.Game/Support/MersenneTwister.cs
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@@ -1,6 +1,6 @@
#region Copyright & License Information
/*
* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
* Copyright 2007-2014 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,
@@ -13,8 +13,7 @@ using System;
namespace OpenRA.Support
{
// quick & dirty Mersenne Twister [MT19937] implementation
public class Random
public class MersenneTwister
{
uint[] mt = new uint[624];
int index = 0;
@@ -22,9 +21,9 @@ namespace OpenRA.Support
public int Last;
public int TotalCount = 0;
public Random() : this(Environment.TickCount) { }
public MersenneTwister() : this(Environment.TickCount) { }
public Random(int seed)
public MersenneTwister(int seed)
{
mt[0] = (uint)seed;
for (var i = 1u; i < mt.Length; i++)

2
OpenRA.Game/Traits/Util.cs Executable file → Normal file
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@@ -96,7 +96,7 @@ namespace OpenRA.Traits
}
/* pretty crap */
public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> ts, Support.Random random)
public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> ts, MersenneTwister random)
{
var items = ts.ToList();
while (items.Count > 0)

3
OpenRA.Game/WRange.cs
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@@ -10,6 +10,7 @@
using System;
using System.Linq;
using OpenRA.Support;
namespace OpenRA
{
@@ -39,7 +40,7 @@ namespace OpenRA
// 2 samples produces a triangular probability
// ...
// N samples approximates a true gaussian
public static WRange FromPDF(Support.Random r, int samples)
public static WRange FromPDF(MersenneTwister r, int samples)
{
return new WRange(Exts.MakeArray(samples, _ => r.Next(-1024, 1024))
.Sum() / samples);

5
OpenRA.Game/WVec.cs
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@@ -1,6 +1,6 @@
#region Copyright & License Information
/*
* Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
* Copyright 2007-2014 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,
@@ -12,6 +12,7 @@ using System;
using Eluant;
using Eluant.ObjectBinding;
using OpenRA.Scripting;
using OpenRA.Support;
namespace OpenRA
{
@@ -73,7 +74,7 @@ namespace OpenRA
// 2 samples produces a triangular probability
// ...
// N samples approximates a true gaussian
public static WVec FromPDF(Support.Random r, int samples)
public static WVec FromPDF(MersenneTwister r, int samples)
{
return new WVec(WRange.FromPDF(r, samples), WRange.FromPDF(r, samples), WRange.Zero);
}

5
OpenRA.Game/World.cs
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@@ -20,7 +20,6 @@ using OpenRA.Orders;
using OpenRA.Primitives;
using OpenRA.Support;
using OpenRA.Traits;
using XRandom = OpenRA.Support.Random;
namespace OpenRA
{
@@ -36,7 +35,7 @@ namespace OpenRA
internal readonly OrderManager orderManager;
public Session LobbyInfo { get { return orderManager.LobbyInfo; } }
public XRandom SharedRandom;
public MersenneTwister SharedRandom;
public readonly List<Player> Players = new List<Player>();
@@ -126,7 +125,7 @@ namespace OpenRA
Map = map;
TileSet = map.Rules.TileSets[Map.Tileset];
SharedRandom = new XRandom(orderManager.LobbyInfo.GlobalSettings.RandomSeed);
SharedRandom = new MersenneTwister(orderManager.LobbyInfo.GlobalSettings.RandomSeed);
WorldActor = CreateActor("World", new TypeDictionary());
ActorMap = WorldActor.Trait<ActorMap>();

2
OpenRA.Game/WorldUtils.cs Executable file → Normal file
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@@ -118,7 +118,7 @@ namespace OpenRA
: (edge ? w.Map.Bounds.Top : w.Map.Bounds.Bottom));
}
public static CPos ChooseRandomCell(this World w, Support.Random r)
public static CPos ChooseRandomCell(this World w, MersenneTwister r)
{
return new CPos(
r.Next(w.Map.Bounds.Left, w.Map.Bounds.Right),