Mercurial > repos > IBBoard.WarFoundry.API

annotate api/Util/UnitEquipmentUtil.cs @ 161:81abc04b3dbe

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Re #192: Improve "clean coding" practice * Move some calculation methods for equipment out of the encapsulation objects
author IBBoard <dev@ibboard.co.uk>
date Sun, 04 Oct 2009 12:00:16 +0000
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children 624422e91a1c
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81abc04b3dbe Re #192: Improve "clean coding" practice
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1 // This file (UnitEquipmentUtil.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 and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING 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 System.Text;
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8 using IBBoard.WarFoundry.API.Objects;
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9
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10 namespace IBBoard.WarFoundry.API.Util
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11 {
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12 class UnitEquipmentUtil
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13 {
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14 /// <summary>
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15 /// Gets an array of allowed <see cref="UnitEquipmentItem"/>s based on the current selections of the unit, taking in to account Mutex groups and other limits.
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16 /// </summary>
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17 /// <param name="unit">The <see cref="Unit"/> to get equipment items for</param>
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18 /// <returns>The array of allowed <see cref="UnitEquipmentItem"/>s</returns>
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19 public static UnitEquipmentItem[] GetAllowedEquipmentItems(Unit unit)
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20 {
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21 List<UnitEquipmentItem> list = new List<UnitEquipmentItem>();
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22 UnitEquipmentItem[] currItems = unit.GetEquipment();
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23
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24 foreach (UnitEquipmentItem item in GetAllEquipmentItems(unit))
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25 {
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26 bool allowed = IsAllowedByMutex(item, currItems);
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27
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28 if (allowed)
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29 {
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30 list.Add(item);
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31 }
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32 }
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33
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34 return list.ToArray();
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35 }
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36
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37 private static bool IsAllowedByMutex(UnitEquipmentItem item, UnitEquipmentItem[] currItems)
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38 {
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39 bool allowed = true;
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40
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41 foreach (UnitEquipmentItem currItem in currItems)
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42 {
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43 if (ItemsAreMutuallyExclusive(currItem, item))
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44 {
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45 allowed = false;
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46 break;
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47 }
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48 }
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49
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50 return allowed;
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51 }
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52
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53 /// <summary>
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54 /// Gets a list of all <see cref="UnitEquipmentItem"/>s that would stop the unit taking <code>item</code> because of mutex groups.
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55 /// </summary>
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56 /// <param name="unit">The unit that wants to take the equipment item</param>
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57 /// <param name="item">The item to check blocking items for</param>
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58 /// <returns>a list of all <see cref="UnitEquipmentItem"/>s that would stop the unit taking <code>item</code></returns>
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59 public static List<UnitEquipmentItem> GetBlockingEquipmentItems(Unit unit, UnitEquipmentItem item)
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60 {
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61 List<UnitEquipmentItem> items = new List<UnitEquipmentItem>();
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62 UnitEquipmentItem[] currItems = unit.GetEquipment();
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63
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64 foreach (UnitEquipmentItem unitItem in unit.GetEquipment())
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65 {
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66 if (!ItemsAreMutuallyExclusive(unitItem, item))
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67 {
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68 items.Add(unitItem);
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69 }
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70 }
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71
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72 return items;
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73 }
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74
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75 public static UnitEquipmentItem[] GetAllEquipmentItems(Unit unit)
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76 {
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77 return unit.UnitType.GetEquipmentItems();
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78 }
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79
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80 public static bool ItemsAreMutuallyExclusive(UnitEquipmentItem item1, UnitEquipmentItem item2)
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81 {
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82 bool areMutex = false;
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83 string[] item1mutex = item1.MutexGroups;
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84 string[] item2mutex = item2.MutexGroups;
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85
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86 foreach (string mutex in item1mutex)
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87 {
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88 foreach (string otherMutex in item2mutex)
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89 {
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90 if (mutex.Equals(otherMutex))
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91 {
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92 areMutex = true;
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93 goto postLoop;
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94 }
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95 }
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96 }
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97 postLoop:
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98
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99 return areMutex;
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100 }
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101 }
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102 }