vanilla-wow-addons – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | -- Deathstimator support |
2 | |||
3 | lazyr.deathstimator = {} |
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4 | |||
5 | function lazyr.deathstimator.OnUnitHealth(arg1) |
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6 | if (arg1 == "target") then |
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7 | -- MobInfo-2 required |
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8 | if (not MobHealth_GetTargetCurHP) then |
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9 | return |
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10 | end |
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11 | local hp = lazyr.masks.GetUnitHealth("target") |
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12 | lazyr.targetHealthHistory:AddInfo(hp) |
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13 | end |
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14 | end |
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15 | |||
16 | |||
17 | -- Target Health History Object |
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18 | -- Used for computing the best fit line (slope) for the Target's health. |
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19 | -- |
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20 | -- Compute the best slope using the method of least squares. |
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21 | -- http://www.acad.sunytccc.edu/instruct/sbrown/stat/leastsq.htm |
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22 | -- |
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23 | -- Wow, I NEVER thought I'd ever use ANYTHING like this in real life. |
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24 | -- Haha, and then, it's only for a computer game. |
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25 | -- Ms. Chen, my high school Calculus teacher, would be so proud. Nah, |
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26 | -- probably still too pissed at me. |
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27 | -- |
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28 | |||
29 | lazyr.deathstimator.HealthHistory = {} |
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30 | |||
31 | function lazyr.deathstimator.HealthHistory:New() |
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32 | local obj = {} |
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33 | setmetatable(obj, { __index = self }) |
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34 | lazyr.deathstimator.HealthHistory.Reset(obj) |
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35 | return obj |
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36 | end |
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37 | function lazyr.deathstimator.HealthHistory:Reset() |
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38 | self.info = {} |
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39 | self.ctr = 0 |
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40 | self.lastCtrComputed = 0 |
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41 | self.m = 0 |
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42 | end |
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43 | function lazyr.deathstimator.HealthHistory:AddInfo(hp) |
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44 | self.ctr = self.ctr + 1 |
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45 | table.insert(self.info, { GetTime(), hp }) |
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46 | -- Remove any leading entries older than the desired time window |
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47 | local oldest = math.floor(GetTime()) - lazyr.perPlayerConf.healthHistorySize |
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48 | local ct = 0 |
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49 | while true do |
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50 | local healthInfo = self.info[1] |
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51 | if (not healthInfo) then |
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52 | break |
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53 | end |
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54 | local time = healthInfo[1] |
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55 | if (time >= oldest) then |
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56 | break |
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57 | end |
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58 | table.remove(self.info, 1) |
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59 | ct = ct + 1 |
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60 | end |
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61 | --lazyr.d("AddInfo: trimmed "..ct.." expired entries.") |
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62 | end |
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63 | function lazyr.deathstimator.HealthHistory:GetN() |
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64 | return table.getn(self.info) |
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65 | end |
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66 | function lazyr.deathstimator.HealthHistory:ComputeSlope() |
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67 | local n = self:GetN() |
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68 | if (n == 0) then |
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69 | return nil |
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70 | end |
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71 | if (self.ctr == self.lastCtrComputed) then |
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72 | return self.m |
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73 | end |
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74 | self.lastCtrComputed = self.ctr |
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75 | |||
76 | local xSum = 0 |
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77 | local ySum = 0 |
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78 | local xSquaredSum = 0 |
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79 | local xySum = 0 |
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80 | for idx, healthInfo in ipairs(self.info) do |
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81 | local time = healthInfo[1] |
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82 | local hp = healthInfo[2] |
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83 | -- time is the x access, hp is the y access |
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84 | xSum = xSum + time |
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85 | ySum = ySum + hp |
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86 | xSquaredSum = xSquaredSum + (time * time) |
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87 | xySum = xySum + (time * hp) |
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88 | end |
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89 | |||
90 | if (self.xSquaredSum == 0 or self.xSum == 0) then |
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91 | return nil |
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92 | end |
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93 | |||
94 | self.m = ( (n * xySum) - (xSum * ySum) ) / ( (n * xSquaredSum) - (xSum * xSum) ) |
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95 | |||
96 | return self.m |
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97 | end |
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98 | |||
99 | |||
100 | |||
101 | |||
102 | -- Deathstimator minion |
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103 | |||
104 | lazyr.deathstimator.minion = {} |
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105 | lazyr.deathstimator.minion.lastUpdate = 0 |
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106 | lazyr.deathstimator.minion.updateInterval = 0.25 |
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107 | |||
108 | |||
109 | function lazyr.deathstimator.minion.OnUpdate() |
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110 | if (not lazyr.addOnIsActive) then |
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111 | return |
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112 | end |
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113 | if (not lazyr.perPlayerConf.deathMinionIsVisible) then |
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114 | return |
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115 | end |
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116 | |||
117 | local now = GetTime() |
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118 | if (now >= (lazyr.deathstimator.minion.lastUpdate + lazyr.deathstimator.minion.updateInterval)) then |
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119 | lazyr.deathstimator.minion.lastUpdate = now |
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120 | |||
121 | if (lazyr.perPlayerConf.deathMinionHidesOutOfCombat) then |
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122 | if (not lazyr.isInCombat and LazyRogueDeathstimatorFrame:IsShown()) then |
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123 | lazyr.d("You're not in combat, and the death thing's showing, so I'm hiding it") |
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124 | LazyRogueDeathstimatorFrame:Hide() |
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125 | end |
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126 | if (lazyr.isInCombat and not LazyRogueDeathstimatorFrame:IsShown()) then |
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127 | lazyr.d("You're IN combat, and the death thing's hidden, so I'm showing it") |
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128 | LazyRogueDeathstimatorFrame:Show() |
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129 | end |
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130 | end |
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131 | |||
132 | if (not UnitName("target")) then |
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133 | return |
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134 | end |
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135 | |||
136 | if (lazyr.isInCombat) then |
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137 | local text |
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138 | |||
139 | local n = lazyr.targetHealthHistory:GetN() |
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140 | -- we want at least a couple data points |
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141 | if (n < 3) then |
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142 | text = "...gathering..." |
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143 | else |
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144 | -- m is the slope, or hp per second |
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145 | local m = lazyr.targetHealthHistory:ComputeSlope() |
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146 | if (m) then |
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147 | local currentHp = lazyr.masks.GetUnitHealth("target") |
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148 | local secondsTilDeath = math.abs(currentHp / m) |
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149 | text = "Death in "..string.format("%.1f", secondsTilDeath).."s".. |
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150 | " ("..math.abs(string.format("%.1f", m)).."hp/s)" |
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151 | end |
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152 | end |
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153 | lazyr.deathstimator.minion.SetText(text) |
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154 | end |
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155 | end |
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156 | end |
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157 | |||
158 | function lazyr.deathstimator.minion.OnEnter(button) |
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159 | GameTooltip:SetOwner(button, "ANCHOR_RIGHT") |
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160 | GameTooltip:AddLine("LazyRogue v"..lazyr.version.." Deathstimator.\n") |
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161 | GameTooltip:AddLine("Shift + Left Click to move me around.\n") |
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162 | GameTooltip:Show() |
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163 | end |
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164 | |||
165 | function lazyr.deathstimator.minion.OnLeave(button) |
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166 | GameTooltip:Hide() |
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167 | end |
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168 | |||
169 | function lazyr.deathstimator.minion.SetText(text) |
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170 | if (not text) then |
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171 | text = "" |
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172 | end |
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173 | LazyRogueDeathstimatorText:SetText(text) |
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174 | end |
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175 | |||
176 | |||
177 |