Add support for Storm Secret self damage calculation

Adds support for the self damage calculated when a Herald of Thunder Storm hits an enemy

src/Data/ModCache.lua

@@ -11151,7 +11151,7 @@ c["Take 200 Physical Damage when you use a Movement Skill"]={{[1]={flags=0,keywo
 c["Take 200 Physical Damage when you use a Movement Skill You have no Armour or Maximum Energy Shield"]={{[1]={flags=0,keywordFlags=0,name="PhysicalDamageTaken",type="BASE",value=200}},"  when you use a Movement Skill You have no Armour or Maximum Energy Shield "}
 c["Take 25% less Damage"]={{[1]={flags=0,keywordFlags=0,name="DamageTaken",type="MORE",value=-25}},nil}
 c["Take 250 Chaos Damage per Second during Effect"]={{[1]={[1]={type="Condition",var="UsingFlask"},flags=0,keywordFlags=0,name="ChaosDegen",type="BASE",value=250}},nil}
-c["Take 250 Lightning Damage when Herald of Thunder Hits an Enemy"]={{[1]={[1]={includeTransfigured=true,skillName="Herald of Thunder",type="SkillName"},flags=0,keywordFlags=0,name="LightningDamageTaken",type="BASE",value=250}},"  whenHits an Enemy "}
+c["Take 250 Lightning Damage when Herald of Thunder Hits an Enemy"]={{[1]={flags=0,keywordFlags=0,name="StormSecretSelfDamage",type="LIST",value={baseDamage=250,damageType="lightning"}}},nil}
 c["Take 30 Chaos Damage per Second during Effect"]={{[1]={[1]={type="Condition",var="UsingFlask"},flags=0,keywordFlags=0,name="ChaosDegen",type="BASE",value=30}},nil}
 c["Take 300 Chaos Damage per Second during Effect"]={{[1]={[1]={type="Condition",var="UsingFlask"},flags=0,keywordFlags=0,name="ChaosDegen",type="BASE",value=300}},nil}
 c["Take 40% less Damage from Hits for 5 seconds"]={{[1]={[1]={type="Condition",var="HeartstopperHIT"},flags=0,keywordFlags=0,name="DamageTakenWhenHit",type="MORE",value=-40},[2]={[1]={type="Condition",var="HeartstopperAVERAGE"},flags=0,keywordFlags=0,name="DamageTakenWhenHit",type="MORE",value=-20}},nil}

src/Modules/CalcOffence.lua

@@ -5301,6 +5301,20 @@ function calcs.offence(env, actor, activeSkill)
 					return dmgBreakdown, totalDmgTaken * output.SummonedMinionsPerCast
 				end
 			end,
+			["Storm Secret"] = function(activeSkill, output, breakdown)
+				local dmgType, dmgVal
+				for _, value in ipairs(activeSkill.skillModList:List(nil, "StormSecretSelfDamage")) do -- Combines dmg taken from both rings accounting for catalysts
+					dmgVal = (dmgVal or 0) + value.baseDamage
+					dmgType = string.gsub(" "..value.damageType, "%W%l", string.upper):sub(2) -- This assumes both rings deal the same damage type
+				end
+				if activeSkill.activeEffect.grantedEffect.name == "Herald of Thunder" and dmgType and dmgVal then
+					local dmgBreakdown, totalDmgTaken = calcs.applyDmgTakenConversion(activeSkill, output, breakdown, dmgType, dmgVal)
+					t_insert(dmgBreakdown, 1, s_format("Storm Secret base damage: %d", dmgVal))
+					t_insert(dmgBreakdown, 2, s_format(""))
+					t_insert(dmgBreakdown, s_format("Total Storm Secret damage taken per Herald of Thunder Hit: %.2f",totalDmgTaken))
+					return dmgBreakdown, totalDmgTaken
+				end
+			end,
 			["Eye of Innocence"] = function(activeSkill, output, breakdown)
 				local dmgType, dmgVal
 				for _, value in ipairs(activeSkill.skillModList:List(nil, "EyeOfInnocenceSelfDamage")) do

src/Modules/ModParser.lua

@@ -2860,6 +2860,9 @@ local specialModList = {
 	["(%d+) (.+) damage taken on minion death"] = function(dmg, _, dmgType) return {
 		mod("HeartboundLoopSelfDamage", "LIST", {baseDamage = dmg, damageType = dmgType})
 	}end,
+	["take (%d+) (.+) damage when herald of thunder hits an enemy"] = function(dmg, _, dmgType) return {
+		mod("StormSecretSelfDamage", "LIST", {baseDamage = dmg, damageType = dmgType})
+	}end,
 	["your skills deal you (%d+)%% of mana cost as (.+) damage"] = function(dmgMult, _, dmgType) return {
 		mod("ScoldsBridleSelfDamage", "LIST", {dmgMult = dmgMult, damageType = dmgType})
 	}end,