Mercurial > repos > IBBoard.WarFoundry.API

annotate api/Util/UnitEquipmentUtil.cs @ 201:4d7ff70bb109

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Re #208: equipmentslot limit issues * Fix numeric slot issues by using "amount taken excluding this item" method * Rename "without this item" to "excluding this item" to clarify purpose * Restructure percentage limits and break some tests (some of which are only broken by rounding errors)
author IBBoard <dev@ibboard.co.uk>
date Thu, 05 Nov 2009 21:09:03 +0000
parents 4bbf5624ced6
children 37ad50823531
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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.Limits;
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9 using IBBoard.WarFoundry.API.Objects;
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10
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11 namespace IBBoard.WarFoundry.API.Util
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12 {
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13 public class UnitEquipmentUtil
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14 {
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15 /// <summary>
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16 /// 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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17 /// </summary>
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18 /// <param name="unit">The <see cref="Unit"/> to get equipment items for</param>
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19 /// <returns>The array of allowed <see cref="UnitEquipmentItem"/>s</returns>
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20 public static UnitEquipmentItem[] GetAllowedEquipmentItems(Unit unit)
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21 {
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22 List<UnitEquipmentItem> list = new List<UnitEquipmentItem>();
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23 UnitEquipmentItem[] currItems = unit.GetEquipment();
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24
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25 foreach (UnitEquipmentItem item in GetAllEquipmentItems(unit))
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26 {
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27 bool allowed = IsAllowedByMutex(item, currItems);
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28
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29 if (allowed)
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30 {
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31 list.Add(item);
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32 }
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33 }
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34
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35 return list.ToArray();
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36 }
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37
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38 private static bool IsAllowedByMutex(UnitEquipmentItem item, UnitEquipmentItem[] currItems)
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39 {
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40 bool allowed = true;
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41
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42 foreach (UnitEquipmentItem currItem in currItems)
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43 {
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44 if (ItemsAreMutuallyExclusive(currItem, item))
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45 {
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46 allowed = false;
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47 break;
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48 }
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49 }
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50
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51 return allowed;
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52 }
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53
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54 /// <summary>
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55 /// 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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56 /// </summary>
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57 /// <param name="unit">The unit that wants to take the equipment item</param>
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58 /// <param name="item">The item to check blocking items for</param>
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59 /// <returns>a list of all <see cref="UnitEquipmentItem"/>s that would stop the unit taking <code>item</code></returns>
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60 public static List<UnitEquipmentItem> GetBlockingEquipmentItems(Unit unit, UnitEquipmentItem item)
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61 {
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62 List<UnitEquipmentItem> items = new List<UnitEquipmentItem>();
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63 UnitEquipmentItem[] currItems = unit.GetEquipment();
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64
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65 foreach (UnitEquipmentItem unitItem in currItems)
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66 {
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67 if (ItemsAreMutuallyExclusive(unitItem, item))
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68 {
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69 items.Add(unitItem);
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70 }
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71 }
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72
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73 return items;
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74 }
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75
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76 public static UnitEquipmentItem[] GetAllEquipmentItems(Unit unit)
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77 {
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78 return unit.UnitType.GetEquipmentItems();
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79 }
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80
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81 public static bool ItemsAreMutuallyExclusive(UnitEquipmentItem item1, UnitEquipmentItem item2)
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82 {
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83 bool areMutex = false;
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84 string[] item1mutex = item1.MutexGroups;
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85 string[] item2mutex = item2.MutexGroups;
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86
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87 foreach (string mutex in item1mutex)
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88 {
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89 foreach (string otherMutex in item2mutex)
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90 {
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91 if (mutex.Equals(otherMutex))
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92 {
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93 areMutex = true;
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94 goto postLoop;
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95 }
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96 }
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97 }
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98 postLoop:
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99
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100 return areMutex;
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101 }
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102
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103 public static int GetMaxEquipmentCount (Unit unit, UnitEquipmentItem equip)
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104 {
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105 int unitSize = unit.Size;
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106 int max = Math.Max(equip.MinLimit.GetLimit(unitSize), equip.MaxLimit.GetLimit (unitSize));
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107 return GetEquipmentCountLimit (unit, max, equip);
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108 }
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109
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110 private static int GetEquipmentCountLimit (Unit unit, int currLimit, UnitEquipmentItem equip)
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111 {
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112 int newLimit = currLimit;
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113 AbstractLimit limit = GetSlotLimitForItem(unit, equip);
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114
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115 if (!(limit is UnlimitedLimit))
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116 {
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117 int slotMax = limit.GetLimit (unit.Size) - unit.GetEquipmentAmountInSlotExcludingItem(equip);
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118 newLimit = Math.Min (slotMax, newLimit);
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119 }
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120
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121 return newLimit;
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122 }
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123
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124 private static AbstractLimit GetSlotLimitForItem(Unit unit, UnitEquipmentItem equip)
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125 {
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126 return unit.UnitType.GetEquipmentSlotLimit(equip.SlotName);
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127 }
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128
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129
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130 public static int GetMinEquipmentCount (Unit unit, UnitEquipmentItem equip)
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131 {
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132 int unitSize = unit.Size;
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133 int min = Math.Min (equip.MinLimit.GetLimit (unitSize), equip.MaxLimit.GetLimit (unitSize));
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134 return GetEquipmentCountLimit (unit, min, equip);
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135 }
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136
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137 public static bool IsEquipmentRatioLimited(Unit unit, UnitEquipmentItem equip)
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138 {
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139 AbstractLimit limit = GetSlotLimitForItem(unit, equip);
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140 return equip.IsRatioLimit && (limit is IPercentageLimit || limit is UnlimitedLimit);
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141 }
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142
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143 public static double GetMaxEquipmentPercentage(Unit unit, UnitEquipmentItem equip)
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144 {
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145 double limit = 0;
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146 AbstractLimit slotLimit = GetSlotLimitForItem(unit, equip);
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147
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148 if (slotLimit is IPercentageLimit)
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149 {
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150 limit = ((IPercentageLimit)slotLimit).Percentage;
187
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151 }
188
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152 else
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153 {
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154 limit = GetPercentageOfUnitSize(slotLimit.GetLimit(unit.Size), unit);
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155 }
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156
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157 limit = limit - GetPercentageOfUnitSize(unit.GetEquipmentAmountInSlotExcludingItem(equip), unit);
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158
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159 return GetMinOfSlotLimitAndEquipmentLimit(equip.IsRatioLimit, limit, equip.MaxLimit, unit);
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160 }
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161
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162 private static double GetPercentageOfUnitSize(int number, Unit unit)
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163 {
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164 return (number / (double)unit.Size) * 100;
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165 }
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166
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167 private static double GetMinOfSlotLimitAndEquipmentLimit(bool equipIsRatio, double limit, AbstractLimit equipLimit, Unit unit)
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168 {
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169 if (equipIsRatio)
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170 {
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171 limit = Math.Min(limit, ((IPercentageLimit)equipLimit).Percentage);
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172 }
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173 else
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174 {
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175 limit = Math.Min(limit, GetPercentageOfUnitSize(equipLimit.GetLimit(unit.Size), unit));
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176 }
187
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177
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178 return limit;
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179 }
190
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180
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181 public static double GetMinEquipmentPercentage(Unit unit, UnitEquipmentItem equip)
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182 {
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183 double limit = 0;
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184 AbstractLimit slotLimit = GetSlotLimitForItem(unit, equip);
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185
201
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186 if (slotLimit is IPercentageLimit)
190
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parents: 189
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187 {
201
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188 limit = ((IPercentageLimit)slotLimit).Percentage;
190
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189 }
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190 else
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191 {
201
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192 limit = GetPercentageOfUnitSize(slotLimit.GetLimit(unit.Size), unit);
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193 }
190
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194
201
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195 limit = limit - GetPercentageOfUnitSize(unit.GetEquipmentAmountInSlotExcludingItem(equip), unit);
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196
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197 return GetMinOfSlotLimitAndEquipmentLimit(equip.IsRatioLimit, limit, equip.MinLimit, unit);
190
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198 }
161
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parents:
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199 }
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200 }