Add support for Shaper of Winter/Call of the Void damage taken mod (#8649)

* add support for 3.26 shaper of winter

* add unit tests for enemy damage lessened by chill effect

Author: dcepil

spec/System/TestDefence_spec.lua

@@ -495,6 +495,60 @@ describe("TestDefence", function()
 
 	end)
 
+	describe("enemy damage lessened by half of chill effect", function ()
+		it("enemy damage lessened by half of chill effect if the corresponding conditions are fulfilled", function()
+			build.configTab.input.enemyIsBoss = "None"
+			build.configTab.input.conditionEnemyChilled = true
+			-- default max chill effect
+			build.configTab.input.conditionEnemyChilledEffect = 30
+			build.configTab.input.customMods = "\z
+			enemies chilled by your hits lessen their damage dealt by half of chill effect\n\z
+			"
+			build.configTab:BuildModList()
+			runCallback("OnFrame")
+
+			-- 15% less since it's half of current chill effect
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.PhysicalEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.LightningEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.ColdEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.FireEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.ChaosEnemyDamageMult)
+		end)
+
+		it("enemy damage is not lessened if the enemy is not chilled", function()
+			build.configTab.input.enemyIsBoss = "None"
+			build.configTab.input.customMods = "\z
+			enemies chilled by your hits lessen their damage dealt by half of chill effect\n\z
+			"
+			build.configTab:BuildModList()
+			runCallback("OnFrame")
+
+			assert.are.equals(1, build.calcsTab.calcsOutput.PhysicalEnemyDamageMult)
+			assert.are.equals(1, build.calcsTab.calcsOutput.LightningEnemyDamageMult)
+			assert.are.equals(1, build.calcsTab.calcsOutput.ColdEnemyDamageMult)
+			assert.are.equals(1, build.calcsTab.calcsOutput.FireEnemyDamageMult)
+			assert.are.equals(1, build.calcsTab.calcsOutput.ChaosEnemyDamageMult)
+		end)
+
+		it("lessened enemy damage respects chill cap", function()
+			build.configTab.input.enemyIsBoss = "None"
+			build.configTab.input.conditionEnemyChilled = true
+			-- default max chill effect is 30%, so this shouldn't affect the resulting enemy damage multiplier beyond the cap
+			build.configTab.input.conditionEnemyChilledEffect = 100
+			build.configTab.input.customMods = "\z
+			enemies chilled by your hits lessen their damage dealt by half of chill effect\n\z
+			"
+			build.configTab:BuildModList()
+			runCallback("OnFrame")
+
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.PhysicalEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.LightningEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.ColdEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.FireEnemyDamageMult)
+			assert.are.equals(0.85, build.calcsTab.calcsOutput.ChaosEnemyDamageMult)
+		end)
+	end)
+
 	local function withinTenPercent(value, otherValue)
 		local ratio = otherValue / value
 		return 0.9 < ratio and ratio < 1.1

src/Data/ModCache.lua

@@ -7793,7 +7793,7 @@ c["Enemies Cannot Leech Mana From You 10% of Damage taken Recouped as Mana"]={ni
 c["Enemies Chilled by your Hits can be Shattered as though Frozen"]={nil,"your Hits can be Shattered as though Frozen "}
 c["Enemies Chilled by your Hits can be Shattered as though Frozen Enemies Chilled by your Hits lessen their Damage dealt by half of Chill Effect"]={nil,"your Hits can be Shattered as though Frozen Enemies Chilled by your Hits lessen their Damage dealt by half of Chill Effect "}
 c["Enemies Chilled by your Hits have Damage taken increased by Chill Effect"]={{[1]={flags=0,keywordFlags=0,name="ChillEffectIncDamageTaken",type="FLAG",value=true}},nil}
-c["Enemies Chilled by your Hits lessen their Damage dealt by half of Chill Effect"]={nil,"your Hits lessen their Damage dealt by half of Chill Effect "}
+c["Enemies Chilled by your Hits lessen their Damage dealt by half of Chill Effect"]={{[1]={flags=0,keywordFlags=0,name="ChillEffectLessDamageDealt",type="FLAG",value=true}},nil}
 c["Enemies Cursed by you are Hindered if 25% of Curse Duration expired"]={{[1]={flags=0,keywordFlags=0,name="EnemyModifier",type="LIST",value={mod={[1]={threshold=25,type="MultiplierThreshold",var="CurseExpired"},[2]={type="ActorCondition",var="Cursed"},flags=0,keywordFlags=0,name="Condition:Hindered",type="FLAG",value=true}}}},nil}
 c["Enemies Cursed by you are Hindered with 25% reduced Movement Speed if 25% of Curse Duration expired"]={{[1]={flags=0,keywordFlags=0,name="EnemyModifier",type="LIST",value={mod={[1]={type="Condition",var="Cursed"},[2]={actor="enemy",threshold=25,type="MultiplierThreshold",var="CurseExpired"},flags=0,keywordFlags=0,name="Condition:Hindered",type="FLAG",value=true}}}},nil}
 c["Enemies Cursed by you have 50% reduced Life Regeneration Rate"]={{[1]={flags=0,keywordFlags=0,name="EnemyModifier",type="LIST",value={mod={[1]={type="Condition",var="Cursed"},flags=0,keywordFlags=0,name="LifeRegen",type="INC",value=-50}}}},nil}

src/Modules/CalcPerform.lua

@@ -3019,6 +3019,9 @@ function calcs.perform(env, skipEHP)
 				if modDB:Flag(nil, "ChillEffectIncDamageTaken") then
 					t_insert(mods, modLib.createMod("DamageTaken", "INC", num, "Ahuana's Bite", { type = "Condition", var = "Chilled" }))
 				end
+				if modDB:Flag(nil, "ChillEffectLessDamageDealt") then
+					t_insert(mods, modLib.createMod("Damage", "MORE", -num / 2, "Shaper of Winter", { type = "Condition", var = "Chilled" }))
+				end
 				return mods
 			end
 		},

src/Modules/ModParser.lua

@@ -2546,6 +2546,7 @@ local specialModList = {
 		flag("EnableSkill", { type = "SkillName", skillId = "Primal Aegis" }),
 	},
 	["primal aegis can take (%d+) elemental damage per allocated notable passive skill"] = function(num) return { mod("ElementalAegisValue", "MAX", num, 0, 0, { type = "Multiplier", var = "AllocatedNotable" }, { type = "GlobalEffect", effectType = "Buff", unscalable = true }) } end,
+	["enemies chilled by your hits lessen their damage dealt by half of chill effect"] = { flag("ChillEffectLessDamageDealt") },
 	-- Gladiator
 	["chance to block spell damage is equal to chance to block attack damage"] = { flag("SpellBlockChanceIsBlockChance") },
 	["maximum chance to block spell damage is equal to maximum chance to block attack damage"] = { flag("SpellBlockChanceMaxIsBlockChanceMax") },