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Merge pull request #2982 from Assumeru/explain

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Comments to explain the arcane workings of Morrowind
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Alexei Dobrohotov 2020-08-05 18:05:55 +03:00 committed by GitHub
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8
apps/openmw/mwmechanics/spelllist.hpp
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@ -26,6 +26,14 @@ namespace MWMechanics
class Spells; class Spells;
/// Multiple instances of the same actor share the same spell list in Morrowind.
/// The most obvious result of this is that adding a spell or ability to one instance adds it to all instances.
/// @note The original game will only update visual effects associated with any added abilities for the originally targeted actor,
/// changing cells applies the update to all actors.
/// Aside from sharing the same active spell list, changes made to this list are also written to the actor's base record.
/// Interestingly, it is not just scripted changes that are persisted to the base record. Curing one instance's disease will cure all instances.
/// @note The original game is inconsistent in persisting this example;
/// saving and loading the game might reapply the cured disease depending on which instance was cured.
class SpellList class SpellList
{ {
const std::string mId; const std::string mId;

3
apps/openmw/mwworld/esmstore.hpp
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@ -264,8 +264,11 @@ namespace MWWorld
// To be called when we are done with dynamic record loading // To be called when we are done with dynamic record loading
void checkPlayer(); void checkPlayer();
/// @return The number of instances defined in the base files. Excludes changes from the save file.
int getRefCount(const std::string& id) const; int getRefCount(const std::string& id) const;
/// Actors with the same ID share spells, abilities, etc.
/// @return The shared spell list to use for this actor and whether or not it has already been initialized.
std::pair<std::shared_ptr<MWMechanics::SpellList>, bool> getSpellList(const std::string& id) const; std::pair<std::shared_ptr<MWMechanics::SpellList>, bool> getSpellList(const std::string& id) const;
}; };