Files
OpenRA/OpenRa.Game/TechTree/Item.cs
2009-10-30 07:32:19 +13:00

123 lines
3.5 KiB
C#
Executable File

using System;
using System.Collections.Generic;
using System.Linq;
using OpenRa.FileFormats;
using OpenRa.Game.GameRules;
using IjwFramework.Types;
using OpenRa.Game;
namespace OpenRa.TechTree
{
public class Item
{
readonly bool isStructure;
public bool IsStructure { get { return isStructure; } }
public Item(string tag, UnitInfo unitInfo, bool isStructure)
{
this.tag = tag;
this.friendlyName = unitInfo.Description;
this.isStructure = isStructure;
owner = ParseOwner(unitInfo.Owner, unitInfo.DoubleOwned);
techLevel = unitInfo.TechLevel;
var pre = ParsePrerequisites(unitInfo.Prerequisite, tag);
alliedPrerequisites = pre.a;
sovietPrerequisites = pre.b;
}
static Race ParseOwner(string[] owners, bool doubleOwned)
{
if (doubleOwned)
return Race.Allies | Race.Soviet;
Race race = Race.None;
foreach (string s in owners)
race |= Enum<Race>.Parse(s);
return race;
}
static Tuple<string[],string[]> ParsePrerequisites(string[] prerequisites, string tag)
{
var allied = prerequisites.Select( x => x.ToLowerInvariant() ).ToList();
var soviet = new List<string>(allied);
if (allied.Remove("stek")) allied.Add("atek");
if (soviet.Remove("atek")) soviet.Add("stek");
if (soviet.Remove("tent")) soviet.Add("barr");
if (allied.Remove("barr")) allied.Add("tent");
if( Rules.UnitCategory[ tag ] == "Infantry" )
{
if( !allied.Contains( "tent" ) ) allied.Add( "tent" );
if( !soviet.Contains( "barr" ) ) soviet.Add( "barr" );
}
if (tag == "lst")
{
if (!soviet.Contains("spen")) soviet.Add("spen");
if (!allied.Contains("syrd")) allied.Add("syrd");
}
return new Tuple<string[], string[]>(
allied.ToArray(), soviet.ToArray());
}
public readonly string tag, friendlyName;
readonly int techLevel;
readonly Race owner;
readonly string[] alliedPrerequisites, sovietPrerequisites;
bool ShouldMakeBuildable(IEnumerable<string> buildings, string[] racePrerequisites)
{
if (techLevel < 0)
return false;
if (racePrerequisites.Length == 0)
return true;
return racePrerequisites.Except(buildings).Count() == 0;
}
bool ShouldMakeUnbuildable(IEnumerable<string> buildings, string[] racePrerequisites)
{
if (racePrerequisites.Length == 0)
return false;
return racePrerequisites.Except(buildings).Count() == racePrerequisites.Length;
}
void CheckForBoth(IEnumerable<string> buildings)
{
if (CanBuild && (ShouldMakeUnbuildable(buildings, alliedPrerequisites)
&& ShouldMakeUnbuildable(buildings, sovietPrerequisites)))
CanBuild = false;
else if (!CanBuild && (ShouldMakeBuildable(buildings, alliedPrerequisites)
|| ShouldMakeBuildable(buildings, sovietPrerequisites)))
CanBuild = true;
}
public void CheckPrerequisites(IEnumerable<string> buildings, Race currentRace)
{
if (currentRace == Race.None || currentRace == (Race.Allies | Race.Soviet))
CheckForBoth(buildings);
else
{
string[] racePrerequisites = (currentRace == Race.Allies) ? alliedPrerequisites : sovietPrerequisites;
if ((CanBuild && ShouldMakeUnbuildable(buildings, racePrerequisites)) || !((owner & currentRace) == currentRace))
CanBuild = false;
else if (!CanBuild && ShouldMakeBuildable(buildings, racePrerequisites))
CanBuild = true;
}
}
public bool CanBuild { get; private set; }
public string Tooltip { get { return string.Format("{0} ({1})\n{2}", friendlyName, tag, owner); } }
}
}