Mercurial > repos > IBBoard.WarFoundry.API

annotate API/Objects/Requirement/AbstractUnitRequirement.cs @ 462:159dc9be36c2

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Re #379: Fix requirements * Move equality and hashcode up to AbstractUnitRequirement for consistency
author IBBoard <dev@ibboard.co.uk>
date Tue, 06 Mar 2012 20:31:31 +0000
parents 680db2462e34
children 7b9ff7b1df24
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1 // This file (AbstractRequirement.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2011 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 using System;
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5 using System.Collections.Generic;
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6
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7 namespace IBBoard.WarFoundry.API.Objects.Requirement
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8 {
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9 public abstract class AbstractUnitRequirement<OBJECT_TYPE> : IRequirement where OBJECT_TYPE : IWarFoundryObject
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10 {
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11 private List<UnitCountRequirementData> requiredTypes;
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12 private OBJECT_TYPE allowedObject;
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13
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14 public AbstractUnitRequirement(OBJECT_TYPE allowedObject, params UnitType[] requiredUnitTypes)
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15 {
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16 this.allowedObject = allowedObject;
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17 requiredTypes = new List<UnitCountRequirementData>();
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18
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19 foreach (UnitType unitType in requiredUnitTypes)
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20 {
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21 AddUnitTypeRequirement(unitType);
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22 }
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23 }
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24
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25 public abstract string RequirementID { get; }
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26
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27 protected List<UnitCountRequirementData> ConstraintTypes { get { return requiredTypes; } }
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28
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29 public abstract void AddUnitTypeRequirement(UnitType unitType);
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30
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31 public override bool Equals(object obj)
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32 {
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33 if (obj == null)
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34 {
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35 return false;
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36 }
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37 else if (obj.GetType().Equals(this.GetType()))
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38 {
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39 return TypeEquals((AbstractUnitRequirement<OBJECT_TYPE>)obj);
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40 }
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41 else
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42 {
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43 return false;
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44 }
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45 }
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46
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47 protected virtual bool TypeEquals(AbstractUnitRequirement<OBJECT_TYPE> obj)
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48 {
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49 AbstractUnitRequirement<OBJECT_TYPE> otherReq = obj as AbstractUnitRequirement<OBJECT_TYPE>;
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50 if (!this.AllowedObject.Equals(otherReq.AllowedObject))
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51 {
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52 return false;
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53 }
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54 else if (!Collections.Collections.AreEqual(ConstraintTypes, otherReq.ConstraintTypes))
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55 {
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56 return false;
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57 }
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58 else
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59 {
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60 return true;
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61 }
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62 }
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63
462
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64 public override int GetHashCode()
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65 {
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66 int hash = GetType().FullName.GetHashCode() + AllowedObject.GetHashCode();
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67
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68 foreach (UnitCountRequirementData limit in ConstraintTypes)
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69 {
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70 hash += limit.GetHashCode();
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71 }
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72
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73 return hash;
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74 }
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75
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76 protected virtual bool IsApplicable(IWarFoundryObject toObjectAdded, Army toArmy)
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77 {
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78 return IsApplicable(toArmy) || IsApplicable(toObjectAdded);
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79 }
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80
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81 protected virtual bool IsApplicable(Army toArmy)
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82 {
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83 return false;
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84 }
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85
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86 protected virtual bool IsApplicable(IWarFoundryObject toObject)
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87 {
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88 return false;
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89 }
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90
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91 public string GetValidationMessage(Army army)
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92 {
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93 string message = "";
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94
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95 Validation result = ValidatesArmy(army);
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96 if (!Validates.AsOkay(result))
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97 {
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98 message = GetValidationFailedMessage(army);
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99 }
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100
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101 return message;
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102 }
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103
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104 protected virtual string ValidationFailedMessage { get { return "Army must contain: {0}."; } }
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105
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106 private string GetValidationFailedMessage(Army army)
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107 {
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108 return String.Format(ValidationFailedMessage, GetFailedRequirementsString(army));
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109 }
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110
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111 protected abstract string GetFailedRequirementsString(Army army);
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112
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113 public string GetAllowsAddingMessage(IWarFoundryObject toAdd, Army toArmy)
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114 {
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115 string message = "";
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116
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117 Validation result = AllowsAdding(toAdd, toArmy);
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118 if (!Validates.AsOkay(result))
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119 {
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120 message = GetAllowsAddingFailedMessage(toAdd, toArmy);
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121 }
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122
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123 return message;
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124 }
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125
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126 protected virtual string AllowsAddingFailedMessage { get { return ValidationFailedMessage; } }
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127
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128 protected string GetAllowsAddingFailedMessage(IWarFoundryObject toAdd, Army toArmy)
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129 {
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130 return String.Format(AllowsAddingFailedMessage, GetFailedAddingRequirementsString(toAdd, toArmy));
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131 }
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132
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133 protected abstract string GetFailedAddingRequirementsString(IWarFoundryObject toAdd, Army toArmy);
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134
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135 public abstract Validation AllowsAdding(IWarFoundryObject wfObject, Army toArmy);
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136
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137 public abstract Validation ValidatesArmy(Army army);
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138
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139 protected UnitType GetUnitTypeFromObject(IWarFoundryObject toObject)
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140 {
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141 UnitType unitType = null;
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142
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143 if (toObject is UnitType)
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144 {
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145 unitType = (UnitType)toObject;
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146 }
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147 else if (toObject is Unit)
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148 {
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149 unitType = ((Unit)toObject).UnitType;
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150 }
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151
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152 return unitType;
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153 }
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154
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155 protected int GetUnitTypeCount(Army toArmy, UnitType unitType, IWarFoundryObject wfObject)
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156 {
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157 return toArmy.GetUnitTypeCount(unitType) + GetCountFromObject(wfObject, unitType);
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158 }
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159
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160 protected int GetCountFromObject(IWarFoundryObject wfObject, UnitType limitedType)
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161 {
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162 return (limitedType.Equals(wfObject) || (wfObject is Unit && ((Unit)wfObject).UnitType.Equals(limitedType))) ? 1 : 0;
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163 }
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164
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165 protected int GetObjectCount(Army toArmy, IWarFoundryObject wfObject)
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166 {
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167 return GetObjectCountFromArmy(toArmy) + GetObjectCountFromObject(wfObject);
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168 }
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169
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170 protected abstract int GetObjectCountFromArmy(Army toArmy);
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171
458
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172 protected abstract int GetObjectCountFromArmy(Army toArmy, OBJECT_TYPE obj);
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173
455
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174 protected virtual int GetObjectCountFromObject(IWarFoundryObject wfObject)
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175 {
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176 return allowedObject.Equals(wfObject) ? 1 : 0;
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177 }
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178
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179 public OBJECT_TYPE AllowedObject { get { return allowedObject; } }
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180 }
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181 }
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182