72 lines
2.3 KiB
C#
72 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2014 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.Collections.Generic;
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using System.Linq;
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namespace OpenRA.Mods.Common.Traits
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{
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public static class FootprintUtils
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{
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public static IEnumerable<CPos> Tiles(Ruleset rules, string name, BuildingInfo buildingInfo, CPos topLeft)
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{
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var dim = (CVec)buildingInfo.Dimensions;
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var footprint = buildingInfo.Footprint.Where(x => !char.IsWhiteSpace(x));
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var buildingTraits = rules.Actors[name].Traits;
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if (buildingTraits.Contains<BibInfo>() && !buildingTraits.Get<BibInfo>().HasMinibib)
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{
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dim += new CVec(0, 1);
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footprint = footprint.Concat(new char[dim.X]);
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}
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return TilesWhere(name, dim, footprint.ToArray(), a => a != '_').Select(t => t + topLeft);
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}
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public static IEnumerable<CPos> Tiles(Actor a)
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{
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return Tiles(a.World.Map.Rules, a.Info.Name, a.Info.Traits.Get<BuildingInfo>(), a.Location);
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}
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public static IEnumerable<CPos> UnpathableTiles(string name, BuildingInfo buildingInfo, CPos position)
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{
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var footprint = buildingInfo.Footprint.Where(x => !char.IsWhiteSpace(x)).ToArray();
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foreach (var tile in TilesWhere(name, (CVec)buildingInfo.Dimensions, footprint, a => a == 'x'))
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yield return tile + position;
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}
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static IEnumerable<CVec> TilesWhere(string name, CVec dim, char[] footprint, Func<char, bool> cond)
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{
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if (footprint.Length != dim.X * dim.Y)
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throw new InvalidOperationException("Invalid footprint for " + name);
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var index = 0;
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for (var y = 0; y < dim.Y; y++)
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for (var x = 0; x < dim.X; x++)
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if (cond(footprint[index++]))
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yield return new CVec(x, y);
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}
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public static CVec AdjustForBuildingSize(BuildingInfo buildingInfo)
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{
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var dim = buildingInfo.Dimensions;
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return new CVec(dim.X / 2, dim.Y > 1 ? (dim.Y + 1) / 2 : 0);
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}
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public static WVec CenterOffset(World w, BuildingInfo buildingInfo)
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{
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var dim = buildingInfo.Dimensions;
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return (w.Map.CenterOfCell(CPos.Zero + new CVec(dim.X, dim.Y)) - w.Map.CenterOfCell(new CPos(1, 1))) / 2;
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}
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}
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}
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