Files
OpenRA/OpenRA.Mods.RA/Scripting/Global/UtilsGlobal.cs
2014-09-06 19:29:37 +02:00

122 lines
3.0 KiB
C#

#region Copyright & License Information
/*
* 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,
* see COPYING.
*/
#endregion
using System.Linq;
using Eluant;
using OpenRA.Scripting;
namespace OpenRA.Mods.RA.Scripting
{
[ScriptGlobal("Utils")]
public class UtilsGlobal : ScriptGlobal
{
public UtilsGlobal(ScriptContext context) : base(context) { }
[Desc("Calls a function on every value in table.")]
public void Do(LuaTable table, LuaFunction func)
{
foreach (var kv in table)
func.Call(kv.Value).Dispose();
}
[Desc("Returns true if func returns true for any value in table.")]
public bool Any(LuaTable table, LuaFunction func)
{
foreach (var kv in table)
{
using (var ret = func.Call(kv.Value))
{
var result = ret.FirstOrDefault();
if (result != null && result.ToBoolean())
return true;
}
}
return false;
}
[Desc("Returns true if func returns true for all values in table.")]
public bool All(LuaTable table, LuaFunction func)
{
foreach (var kv in table)
{
using (var ret = func.Call(kv.Value))
{
var result = ret.FirstOrDefault();
if (result == null || !result.ToBoolean())
return false;
}
}
return true;
}
[Desc("Skips over the first numElements members of the array and returns the rest.")]
public LuaTable Skip(LuaTable table, int numElements)
{
var t = context.CreateTable();
for (var i = numElements; i <= table.Count; i++)
t.Add(t.Count + 1, table[i]);
return t;
}
[Desc("Returns a random value from table.")]
public LuaValue Random(LuaTable table)
{
return table.Values.Random<LuaValue>(context.World.SharedRandom);
}
[Desc("Expands the given footprint one step along the coordinate axes, and (if requested) diagonals.")]
public LuaTable ExpandFootprint(LuaTable cells, bool allowDiagonal)
{
var footprint = cells.Values.Select(c =>
{
CPos cell;
if (!c.TryGetClrValue<CPos>(out cell))
throw new LuaException("ExpandFootprint only accepts a table of CPos");
return cell;
});
var expanded = Traits.Util.ExpandFootprint(footprint, allowDiagonal);
return expanded.ToLuaTable(context);
}
[Desc("Returns a random integer x in the range low &lt;= x &lt; high.")]
public int RandomInteger(int low, int high)
{
if (high <= low)
return low;
return context.World.SharedRandom.Next(low, high);
}
[Desc("Returns the center of a cell in world coordinates.")]
public WPos CenterOfCell(CPos cell)
{
return context.World.Map.CenterOfCell(cell);
}
[Desc("Converts the number of seconds into game time (ticks).")]
public int Seconds(int seconds)
{
return seconds * 25;
}
[Desc("Converts the number of minutes into game time (ticks).")]
public int Minutes(int minutes)
{
return Seconds(minutes * 60);
}
}
}