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Create delegates to access hotkeys, to avoid reflection during gameplay.

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RoosterDragon
2015-06-30 21:34:12 +01:00
parent 5056e7bfc3
commit 3f39744a9a
1 changed files with 19 additions and 8 deletions
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27
OpenRA.Game/Settings.cs
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@@ -13,6 +13,7 @@ using System.Collections.Generic;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
using OpenRA.Graphics;
using OpenRA.Traits;
@@ -227,22 +228,32 @@ namespace OpenRA
public Hotkey SupportPower05Key = new Hotkey(Keycode.UNKNOWN, Modifiers.None);
public Hotkey SupportPower06Key = new Hotkey(Keycode.UNKNOWN, Modifiers.None);
static readonly Func<KeySettings, Hotkey>[] ProductionKeys = GetKeys(24, "Production");
static readonly Func<KeySettings, Hotkey>[] SupportPowerKeys = GetKeys(6, "SupportPower");
static Func<KeySettings, Hotkey>[] GetKeys(int count, string prefix)
{
var keySettings = Expression.Parameter(typeof(KeySettings), "keySettings");
return Exts.MakeArray(count, i => Expression.Lambda<Func<KeySettings, Hotkey>>(
Expression.Field(keySettings, "{0}{1:D2}Key".F(prefix, i + 1)), keySettings).Compile());
}
public Hotkey GetProductionHotkey(int index)
{
var field = GetType().GetField("Production{0:D2}Key".F(index + 1));
if (field == null)
return Hotkey.Invalid;
return (Hotkey)field.GetValue(this);
return GetKey(ProductionKeys, index);
}
public Hotkey GetSupportPowerHotkey(int index)
{
var field = GetType().GetField("SupportPower{0:D2}Key".F(index + 1));
if (field == null)
return GetKey(SupportPowerKeys, index);
}
Hotkey GetKey(Func<KeySettings, Hotkey>[] keys, int index)
{
if (index < 0 || index >= keys.Length)
return Hotkey.Invalid;
return (Hotkey)field.GetValue(this);
return keys[index](this);
}
}