Mercurial > repos > IBBoard.WarFoundry.API

annotate API/Objects/Requirement/RequiresNUnitsForMUnitsRequirement.cs @ 440:baa34d91031f

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Re #350: Add requirement to allow N of unit for specific other units * Correct "adding" validation message - we haven't added when we check if adding is okay
author IBBoard <dev@ibboard.co.uk>
date Sat, 03 Dec 2011 16:14:26 +0000
parents 5252dfb9cdfb
children d2331ee59d74
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1 // This file(RequiresNUnitsForMUnitsRequirement.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 using System.Text;
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7
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8 namespace IBBoard.WarFoundry.API.Objects.Requirement
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9 {
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10 public class RequiresNUnitsForMUnitsRequirement : AbstractRequirement
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11 {
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12 public static readonly string REQUIREMENT_ID = "RequiresNUnitsForMUnits";
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13 private List<UnitCountRequirementData> requiredTypes;
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14 private UnitType allowedType;
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15
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16 public RequiresNUnitsForMUnitsRequirement(UnitType allowedType, params UnitType[] requiredUnitTypes)
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17 {
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18 this.allowedType = allowedType;
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19 FailureStringPrefix = "Army must contain: ";
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20 requiredTypes = new List<UnitCountRequirementData>();
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21
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22 foreach (UnitType unitType in requiredUnitTypes)
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23 {
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24 AddUnitTypeRequirement(unitType);
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25 }
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26 }
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27
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28 public override int GetHashCode()
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29 {
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30 int hash = 0;
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31
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32 foreach (UnitCountRequirementData req in requiredTypes)
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33 {
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34 hash += req.UnitType.GetHashCode();
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35 }
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36
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37 return hash;
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38 }
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39
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40 protected override bool TypeEquals(object obj)
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41 {
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42 RequiresNUnitsForMUnitsRequirement otherReq = (RequiresNUnitsForMUnitsRequirement)obj;
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43 if (!Collections.Collections.AreEqual(requiredTypes, otherReq.requiredTypes))
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44 {
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45 return false;
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46 }
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47 else
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48 {
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49 return true;
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50 }
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51 }
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52
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53 protected string FailureStringPrefix { get; set; }
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54
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55 protected override string GetAllowsAddingFailedMessage(UnitType toAdd, Army toArmy)
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56 {
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57 StringBuilder sb = new StringBuilder();
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58 sb.Append(FailureStringPrefix);
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59 sb.Append(String.Join("; ", GetFailedAddingRequirements(toAdd, toArmy).ToArray()));
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60 sb.Append(".");
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61 return sb.ToString();
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62 }
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63
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64 private List<string> GetFailedAddingRequirements(UnitType unitType, Army toArmy)
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65 {
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66 List<string> failures = new List<string>();
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67 int allowedTypeCount = GetUnitTypeCount(toArmy, allowedType, unitType);
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68
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69 foreach (UnitCountRequirementData limit in requiredTypes)
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70 {
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71 int limitedTypeCount = GetUnitTypeCount(toArmy, limit.UnitType, unitType);
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72
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73 if (!IsValidByRequirement(unitType, toArmy, limit, allowedTypeCount))
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74 {
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75 failures.Add(String.Format("{0} {1} for every {2} {3} (would have {4} for {5})", limit.Count, limit.UnitType.Name, limit.AllowsCount, allowedType.Name, limitedTypeCount, allowedTypeCount));
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76 }
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77 }
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78
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79 return failures;
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80 }
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81
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82 private bool IsValidByRequirement(WarFoundryObject wfObject, Army toArmy, UnitCountRequirementData limit, int allowedTypeCount)
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83 {
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84 int limitedTypeCount = GetUnitTypeCount(toArmy, limit.UnitType, wfObject);
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85 return IsValidByRequirement(limit, allowedTypeCount, limitedTypeCount);
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86 }
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87
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88 private bool IsValidByRequirement(UnitCountRequirementData limit, int allowedTypeCount, int limitedTypeCount)
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89 {
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90 double limitedTypeMultiplier = limitedTypeCount / (limit.Count * 1.0);
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91 double allowedTypeMultiplier = allowedTypeCount / (limit.AllowsCount * 1.0);
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92 return allowedTypeMultiplier <= limitedTypeMultiplier;
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93 }
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94
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95 public override Validation AllowsAdding(WarFoundryObject wfObject, Army toArmy)
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96 {
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97 Validation canAdd = Validation.NotApplicable;
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98 UnitType addedUnitType = (wfObject is Unit) ? ((Unit)wfObject).UnitType : wfObject as UnitType;
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99 bool typeFound = (addedUnitType == allowedType);
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100 int allowedTypeCount = GetUnitTypeCount(toArmy, allowedType, wfObject);
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101
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102 foreach (UnitCountRequirementData limit in requiredTypes)
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103 {
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104 typeFound |= (addedUnitType == limit.UnitType);
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105
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106 if (!IsValidByRequirement(wfObject, toArmy, limit, allowedTypeCount))
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107 {
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108 canAdd = Validation.Failed;
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109 break;
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110 }
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111 }
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112
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113 if (typeFound && canAdd == Validation.NotApplicable)
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114 {
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115 canAdd = Validation.Passed;
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116 }
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117
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118 return canAdd;
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119 }
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120
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121 private int GetUnitTypeCount(Army toArmy, UnitType unitType, WarFoundryObject wfObject)
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122 {
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123 return toArmy.GetUnitTypeCount(unitType) + GetCountFromObject(wfObject, unitType);
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124 }
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125
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126 private int GetCountFromObject(WarFoundryObject wfObject, UnitType limitedType)
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127 {
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128 return (limitedType.Equals(wfObject) || (wfObject is Unit && ((Unit)wfObject).UnitType.Equals(limitedType))) ? 1 : 0;
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129 }
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130
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131 public override Validation ValidatesArmy(Army army)
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132 {
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133 Validation canAdd = Validation.NotApplicable;
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134 int allowedTypeCount = army.GetUnitTypeCount(allowedType);
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135 bool typeFound = (allowedTypeCount > 0);
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136
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137 foreach (UnitCountRequirementData limit in requiredTypes)
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138 {
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139 int limitedTypeCount = army.GetUnitTypeCount(limit.UnitType);
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140 typeFound |= (limitedTypeCount > 0);
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141
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142 if (!IsValidByRequirement(limit, allowedTypeCount, limitedTypeCount))
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143 {
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144 canAdd = Validation.Failed;
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145 break;
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146 }
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147 }
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148
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149 if (typeFound && canAdd == Validation.NotApplicable)
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150 {
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151 canAdd = Validation.Passed;
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152 }
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153
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154 return canAdd;
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155 }
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156
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157 protected override string GetValidationFailedMessage(Army army)
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158 {
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159 StringBuilder sb = new StringBuilder();
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160 sb.Append(FailureStringPrefix);
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161 sb.Append(String.Join("; ", GetFailedValidationRequirements(army).ToArray()));
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162 sb.Append(".");
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163 return sb.ToString();
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164 }
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165
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166 private List<string> GetFailedValidationRequirements(Army army)
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167 {
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168 List<string> failures = new List<string>();
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169 int allowedTypeCount = army.GetUnitTypeCount(allowedType);
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170
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171 foreach (UnitCountRequirementData limit in requiredTypes)
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172 {
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173 int limitedTypeCount = army.GetUnitTypeCount(limit.UnitType);
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174
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175 if (!IsValidByRequirement(limit, allowedTypeCount, limitedTypeCount))
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176 {
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177 failures.Add(String.Format("{0} {1} for every {2} {3} (have {4} for {5})", limit.Count, limit.UnitType.Name, limit.AllowsCount, allowedType.Name, limitedTypeCount, allowedTypeCount));
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178 }
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179 }
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180
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181 return failures;
437
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182 }
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183
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184 public override string RequirementID
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185 {
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186 get
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187 {
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188 return REQUIREMENT_ID;
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189 }
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190 }
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191
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192 /// <summary>
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193 /// Adds a requirement for there to be at least minCount of a given UnitType, allowing allowedCount of this UnitType
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194 /// </summary>
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195 /// <param name='unitType'>
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196 /// The unit type to require.
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197 /// </param>
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198 /// <param name='minCount'>
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199 /// The minimum number of that type that must exist.
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200 /// </param>
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201 public void AddUnitTypeRequirement(UnitType unitType, int minCount, int allowedCount)
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202 {
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203 requiredTypes.Add(new UnitCountRequirementData(unitType, minCount, allowedCount));
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204 }
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205
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206 /// <summary>
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207 /// Adds a requirement for there to be one or more of a given UnitType, allowing one of this UnitType
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208 /// </summary>
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209 /// <param name='unitType'>
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210 /// The unit type to require.
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211 /// </param>
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212 public void AddUnitTypeRequirement(UnitType unitType)
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213 {
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214 AddUnitTypeRequirement(unitType, 1, 1);
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215 }
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216 }
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217 }
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218