Only apply combustion fire resistance effect with skills that can ignite (#6320)

* Only apply combustion fire resistance effect with skills that can ignite

* Handle combustion in calcPerform instead

* Include a source

Author: Lilylicious

src/Data/Skills/sup_int.lua

@@ -963,7 +963,7 @@ skills["SupportChanceToIgnite"] = {
 			mod("FireDamage", "MORE", nil),
 		},
 		["ignites_apply_fire_resistance_+"] = {
-			mod("FireResist", "BASE", nil, 0, 0, { type = "GlobalEffect", effectType = "Debuff", effectName = "Combustion" }, { type = "Condition", var = "Ignited" }),
+			mod("CombustionFireResist", "BASE", nil),
 		},
 	},
 	qualityStats = {

src/Modules/CalcPerform.lua

@@ -2011,6 +2011,8 @@ function calcs.perform(env, avoidCache, fullDPSSkipEHP)
 			end
 		end
 	end
+
+	local appliedCombustion = false
 	for _, activeSkill in ipairs(env.player.activeSkillList) do
 		local skillModList = activeSkill.skillModList
 		local skillCfg = activeSkill.skillCfg
@@ -2244,6 +2246,19 @@ function calcs.perform(env, avoidCache, fullDPSSkipEHP)
 			local effect = activeSkill.minion and 6 or m_floor(6 * (1 + modDB:Sum("INC", nil, "WitherEffect") / 100))
 			modDB:NewMod("WitherEffectStack", "MAX", effect)
 		end
+		--Handle combustion
+		if activeSkill.activeEffect.grantedEffect.name ~= "Arcanist Brand" and not appliedCombustion then
+			for _, support in ipairs(activeSkill.supportList) do
+				if support.gemData.name == "Combustion" then
+					if not activeSkill.skillModList:Flag(activeSkill.skillCfg, "CannotIgnite") then
+						local value = activeSkill.skillModList:Sum("BASE", activeSkill.skillCfg, "CombustionFireResist")
+						enemyDB:NewMod("FireResist", "BASE", value, "Combustion", { type = "GlobalEffect", effectType = "Debuff", effectName = "Combustion" }, { type = "Condition", var = "Ignited" })
+						appliedCombustion = true
+					end
+					break
+				end
+			end
+		end
 		if activeSkill.minion and activeSkill.minion.activeSkillList then
 			local castingMinion = activeSkill.minion
 			for _, activeSkill in ipairs(activeSkill.minion.activeSkillList) do