Editor: Reset effect arguments when the effect ID changes (#7785)

CHANGELOG.md

@@ -134,6 +134,7 @@
     Bug #7765: OpenMW-CS: Touch Record option is broken
     Bug #7770: Sword of the Perithia: Script execution failure
     Bug #7780: Non-ASCII texture paths in NIF files don't work
+    Bug #7785: OpenMW-CS initialising Skill and Attribute fields to 0 instead of -1 on non-FortifyStat spells
     Bug #7796: Absorbed enchantments don't restore magicka
     Feature #2566: Handle NAM9 records for manual cell references
     Feature #3537: Shader-based water ripples

apps/opencs/model/world/nestedcoladapterimp.hpp

@@ -385,6 +385,26 @@ namespace CSMWorld
                 case 0:
                 {
                     effect.mEffectID = static_cast<short>(value.toInt());
+                    switch (effect.mEffectID)
+                    {
+                        case ESM::MagicEffect::DrainSkill:
+                        case ESM::MagicEffect::DamageSkill:
+                        case ESM::MagicEffect::RestoreSkill:
+                        case ESM::MagicEffect::FortifySkill:
+                        case ESM::MagicEffect::AbsorbSkill:
+                            effect.mAttribute = -1;
+                            break;
+                        case ESM::MagicEffect::DrainAttribute:
+                        case ESM::MagicEffect::DamageAttribute:
+                        case ESM::MagicEffect::RestoreAttribute:
+                        case ESM::MagicEffect::FortifyAttribute:
+                        case ESM::MagicEffect::AbsorbAttribute:
+                            effect.mSkill = -1;
+                            break;
+                        default:
+                            effect.mSkill = -1;
+                            effect.mAttribute = -1;
+                    }
                     break;
                 }
                 case 1: