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1 // This file (AbstractArmyRequirement.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard.
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2 //
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3 // The file and the library/program it is in are licensed under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING.LGPL for more information and the full license.
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4
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5 using System;
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6 using System.Collections.Generic;
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7 using IBBoard.WarFoundry.API.Objects;
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8
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9
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10 namespace IBBoard.WarFoundry.API.Requirements
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11 {
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12 /// <summary>
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13 /// Abstract class for any requirement for adding an object to an army, e.g. adding units.
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14 /// </summary>
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15 public abstract class AbstractArmyRequirement : AbstractRequirement
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16 {
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17 protected abstract AbstractFailedRequirement CanAddToArmy(Army army);
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18 protected abstract AbstractFailedRequirement CanRemoveFromArmy(Army army);
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19
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20 public override AbstractFailedRequirement CanAddToWarFoundryObject (WarFoundryObject obj)
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21 {
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22 AbstractFailedRequirement fail = null;
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23
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24 if (obj is Army)
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25 {
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26 fail = CanAddToArmy((Army)obj);
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27 }
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28 else
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29 {
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30 fail = new FailedRequirement(this);
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31 }
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32
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33 return fail;
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34 }
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35
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36 public override AbstractFailedRequirement CanRemoveFromWarFoundryObject (WarFoundryObject obj)
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37 {
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38 AbstractFailedRequirement fail = null;
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39
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40 if (obj is Army)
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41 {
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42 fail = CanRemoveFromArmy((Army)obj);
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43 }
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44 else
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45 {
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46 fail = new FailedRequirement(this);
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47 }
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48
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49 return fail;
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50 }
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51 }
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52 }
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