Add support for Arc Lightning Infusion stats (#2276)

Unlike other Infusion-powered spells, Arc just has conditional stats
rather than a separate statset. I therefore included a skill-specific
config option similar to the one for Flame Wall.

Author: majochem

src/Data/Skills/act_int.lua

@@ -73,6 +73,12 @@ skills["ArcPlayer"] = {
 				["quality_display_arc_is_gem"] = {
 					-- Display only
 				},
+				["arc_damage_+%_final_from_infusion_consumption"] = {
+					mod("Damage", "MORE", nil, 0, 0, { type = "Condition", var = "ArcLightningInfused" }),
+				},
+				["arc_chains_gained_from_infusion_consumption"] = {
+					mod("ChainCountMax", "BASE", nil, 0, 0, { type = "Condition", var = "ArcLightningInfused" }),
+				},
 			},
 			baseFlags = {
 				spell = true,

src/Export/Skills/act_int.txt

@@ -15,6 +15,12 @@ statMap = {
 	["quality_display_arc_is_gem"] = {
 		-- Display only
 	},
+	["arc_damage_+%_final_from_infusion_consumption"] = {
+		mod("Damage", "MORE", nil, 0, 0, { type = "Condition", var = "ArcLightningInfused" }),
+	},
+	["arc_chains_gained_from_infusion_consumption"] = {
+		mod("ChainCountMax", "BASE", nil, 0, 0, { type = "Condition", var = "ArcLightningInfused" }),
+	},
 },
 #mods
 #skillEnd

src/Modules/ConfigOptions.lua

@@ -210,6 +210,10 @@ local configSettings = {
 	{ var = "arcaneCloakUsedRecentlyCheck", type = "check", label = "Include in ^x7070FFMana ^7spent Recently?", ifSkill = "Arcane Cloak", tooltip = "When enabled, the mana spent by Arcane Cloak used at full mana \nwill be added to the value provided in # of ^x7070FFMana ^7spent Recently.", apply = function(val, modList, enemyModList)
 		modList:NewMod("Condition:ArcaneCloakUsedRecently", "FLAG", true, "Config")
 	end },
+	{ label = "Arc:", ifSkill = "Arc"},
+	{ var = "arcLightningInfused", type = "check", label = "Lightning Infused?", ifSkill = "Arc", apply = function(val, modList, enemyModList)
+		modList:NewMod("Condition:ArcLightningInfused", "FLAG", true, "Config", { type = "Condition", var = "CannotConsumeInfusion", neg = true })
+	end },
 	{ label = "Eldritch Empowerment:", ifFlag = "EldritchEmpowerment" },
 	{ var = "eldritchEmpowermentSacrifice", type = "check", label = "Are you Sacrificing?", tooltip = "Sacrifice 5% ^x88FFFFEnergy Shield^7 when you cast a Spell to give that Spell 30% more Damage.", ifFlag = "EldritchEmpowerment", apply = function(val, modList, enemyModList)
 		modList:NewMod("Condition:EldritchEmpowermentSacrifice", "FLAG", true, "Config")