companions resist spells if stop damage is enabled

MWSE/mods/celediel/NoMoreFriendlyFire/common.lua

@@ -8,4 +8,7 @@ this.modInfo = "Stop friendly fire. Player companions can't damage the player, t
 this.author = "Celediel"
 this.version = "1.4.0"
 
+-- debug
+this.logLevels = {no = 0, small = 1, big = 2}
+
 return this

MWSE/mods/celediel/NoMoreFriendlyFire/config.lua

@@ -1,7 +1,7 @@
 local common = require("celediel.NoMoreFriendlyFire.common")
 
 local currentConfig
-local defaultConfig = {stopDamage = true, stopCombat = true, debug = false, ignored = {}}
+local defaultConfig = {stopDamage = true, stopCombat = true, debugLevel = common.logLevels.no, ignored = {}}
 local this = {}
 
 this.getConfig = function()

MWSE/mods/celediel/NoMoreFriendlyFire/main.lua

@@ -8,7 +8,9 @@ pcall(function() mag = require("celediel.MoreAttentiveGuards.interop") end)
 local followMatches = {"follow", "together", "travel", "wait", "stay"}
 local postDialogueTimer
 
-local function log(...) if config.debug then mwse.log("[%s] %s", common.modName, string.format(...)) end end
+local function log(level, ...)
+    if config.debugLevel >= level then mwse.log("[%s] %s", common.modName, string.format(...)) end
+end
 
 -- keep track of followers
 local followers = {}
@@ -22,8 +24,8 @@ local function notActuallyFriend(friend)
     local ignoredId = config.ignored[obj.id:lower()]
     local ignoredMod = config.ignored[obj.sourceMod:lower()]
 
-    log("Friend %s: Is MAG Guard:%s, Ignored id:%s, Ignored mod:%s", obj.name, friend == magGuard,
-        ignoredId or "false", ignoredMod or "false")
+    log(common.logLevels.small, "Friend %s: Is MAG Guard:%s, Ignored id:%s, Ignored mod:%s", obj.name,
+        friend == magGuard, ignoredId or "false", ignoredMod or "false")
 
     return friend == magGuard or ignoredId or ignoredMod
 end
@@ -44,9 +46,22 @@ local function buildFollowerList()
             msg = msg .. friend.object.name .. " "
         end
     end
-    if msg ~= "" then log("Friends: %s", msg) end
+    if msg ~= "" then log(common.logLevels.small, "Friends: %s", msg) end
     return friends
 end
+
+local function isHarmfulSpell(source)
+    -- look for harmful effects in the source spell
+    for i = 1, 8 do
+        local effect = source.effects[i]
+        if effect.object then
+            -- todo: get name of spell effect instead of id
+            log(common.logLevels.big, "effect #%s id:%s: harmful:%s", i, effect.object.id, effect.object.isHarmful)
+            if effect.object.isHarmful then return true end -- found one!
+        end
+    end
+    return false -- found nothing
+end
 -- }}}
 
 -- {{{ Event functions
@@ -58,23 +73,41 @@ eventFunctions.onDamage = function(e)
 
     if followerCheck(e.attackerReference, e.reference) then
         if config.stopDamage then
-            log("%s hit %s for %s friendly damage, nullifying", e.attackerReference.object.name,
+            log(common.logLevels.small, "%s hit %s for %s friendly damage, nullifying", e.attackerReference.object.name,
                 e.reference.object.name, e.damage)
             e.damage = 0
             return false -- I don't know if this makes a difference or not
         else
-            log("%s hit %s for %s friendly damage", e.attackerReference.object.name, e.reference.object.name, e.damage)
+            log(common.logLevels.small, "%s hit %s for %s friendly damage", e.attackerReference.object.name,
+                e.reference.object.name, e.damage)
+        end
+    else
+        log(common.logLevels.big, "%s hit %s for %s damage", e.attackerReference.object.name, e.reference.object.name,
+            e.damage)
+    end
+end
+
+eventFunctions.onSpellResist = function(e)
+    -- ignore non-targeted magicka or without caster
+    if not e.caster or not e.target then return end
+    -- shortcuts
+    local caster = e.caster
+    local target = e.target
+    local source = e.source
+
+    if followerCheck(caster, target) then
+        log(common.logLevels.small, "%s hit %s with friendly magicka %s", caster, target, source)
+        if config.stopDamage and isHarmfulSpell(e.source) then
+            e.resistedPercent = 100
+            log(common.logLevels.small, "%s spell resist vs harmful %s maxified", target, source)
         end
-        -- uncomment this to see all damage done by everyone to everyone else
-        -- else
-        --     log("%s hit %s for %s damage", e.attackerReference.object.name, e.reference.object.name, e.damage)
     end
 end
 
 -- prevent combat from even happening between friendly actors
 eventFunctions.onCombatStart = function(e)
     if config.stopCombat and followerCheck(e.actor, e.target) then
-        log("Friendly combat attempted, putting a stop to it!")
+        log(common.logLevels.small, "Friendly combat attempted, putting a stop to it!")
         return false
     end
 end
@@ -94,10 +127,10 @@ eventFunctions.onInfoResponse = function(e)
         if command:match(item) or dialogue:match(item) then
             -- wait until game time restarts, and don't set multiple timers
             if not postDialogueTimer or postDialogueTimer.state ~= timer.active then
-                log("Found %s in dialogue, rebuilding followers", item)
+                log(common.logLevels.big, "Found %s in dialogue, rebuilding followers", item)
                 postDialogueTimer = timer.start({
                     type = timer.simulate,
-                    duration = 0.5,
+                    duration = 0.25,
                     iteration = 1,
                     callback = function() followers = buildFollowerList() end
                 })
@@ -108,13 +141,14 @@ end
 
 -- rebuild followers list when player casts conjuration, in case its a summon spell
 -- false positives are okay because we're not doing anything destructive
+-- doesn't work if Skill Based Magicka Progression is activated because e.expGainSchool becomes nil
 eventFunctions.onSpellCasted = function(e)
     if e.caster == tes3.player and e.expGainSchool == tes3.magicSchool.conjuration then
-        log("Player cast conjuration spell %s, rebuilding followers list...", e.source.id)
+        log(common.logLevels.big, "Player cast conjuration spell %s, rebuilding followers list...", e.source.id)
         -- wait for summon to be loaded
         timer.start({
             type = timer.simulate,
-            duration = 1,
+            duration = 0.25,
             iterations = 1,
             callback = function() followers = buildFollowerList() end
         })
@@ -127,10 +161,10 @@ end
 local function onInitialized()
     for name, func in pairs(eventFunctions) do
         event.register(name:gsub("on(%u)", string.lower), func)
-        log("%s event registered", name)
+        log(common.logLevels.small, "%s event registered", name)
     end
 
-    mwse.log("[%s] Successfully initialized%s", common.modName, mag and " with More Attentive Guards interop" or "")
+    log(common.logLevels.no, "Successfully initialized%s", mag and " with More Attentive Guards interop" or "")
 end
 
 event.register("modConfigReady", function() mwse.mcm.register(require("celediel.NoMoreFriendlyFire.mcm")) end)

MWSE/mods/celediel/NoMoreFriendlyFire/mcm.lua

@@ -21,9 +21,14 @@ category:createYesNoButton({
     variable = mwse.mcm.createTableVariable({id = "stopCombat", table = config})
 })
 
-category:createYesNoButton({
-    label = "Debug logging",
-    variable = mwse.mcm.createTableVariable({id = "debug", table = config})
+category:createDropdown({
+    label = "Debug log level",
+    options = {
+        {label = "No", value = common.logLevels.no},
+        {label = "Small", value = common.logLevels.small},
+        {label = "Big", value = common.logLevels.big}
+    },
+    variable = mwse.mcm.createTableVariable({id = "debugLevel", table = config})
 })
 
 template:createExclusionsPage({