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1 // Requirement.cs
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2 //
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3 // Copyright (C) 2008 IBBoard
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4 //
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5 // This library is free software; you can redistribute it and/or
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6 // modify it under the terms of the GNU Lesser General Public
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7 // License version 2.1 of the License as published by the Free
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8 // Software Foundation.
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9 //
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10 // This library is distributed in the hope that it will be useful,
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11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 // Lesser General Public License for more details.
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14 //
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15 // You should have received a copy of the GNU Lesser General Public
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16 // License along with this library; if not, write to the Free Software
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17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 //
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19 //
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20
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21 using System;
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22 using System.Collections.Generic;
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23 using IBBoard.WarFoundry.API.Objects;
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24
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25
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26 namespace IBBoard.WarFoundry.API.Requirements
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27 {
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28 /// <summary>
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29 /// Abstract class for any requirement for adding an object to an army, e.g. adding units.
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30 /// </summary>
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31 public abstract class AbstractArmyRequirement : AbstractRequirement
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32 {
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33 protected abstract AbstractFailedRequirement CanAddToArmy(Army army);
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34 protected abstract AbstractFailedRequirement CanRemoveFromArmy(Army army);
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35
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36 public override AbstractFailedRequirement CanAddToWarFoundryObject (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 = CanAddToArmy((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 public override AbstractFailedRequirement CanRemoveFromWarFoundryObject (WarFoundryObject obj)
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53 {
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54 AbstractFailedRequirement fail = null;
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55
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56 if (obj is Army)
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57 {
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58 fail = CanRemoveFromArmy((Army)obj);
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59 }
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60 else
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61 {
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62 fail = new FailedRequirement(this);
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63 }
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64
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65 return fail;
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66 }
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67 }
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68 }
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