mirror of https://github.com/OpenMW/openmw.git
Merge branch 'lua_magic' into 'master'
Lua bindings for magic See merge request OpenMW/openmw!29287344-support-launching-the-example-suite
psi29a
2 years ago
commit
a6584557e5
@ -0,0 +1,266 @@
|
||||
#include "magicbindings.hpp"
|
||||
|
||||
#include <components/esm3/activespells.hpp>
|
||||
#include <components/esm3/loadmgef.hpp>
|
||||
#include <components/esm3/loadspel.hpp>
|
||||
#include <components/lua/luastate.hpp>
|
||||
#include <components/misc/color.hpp>
|
||||
#include <components/misc/resourcehelpers.hpp>
|
||||
#include <components/resource/resourcesystem.hpp>
|
||||
|
||||
#include "../mwbase/environment.hpp"
|
||||
#include "../mwbase/world.hpp"
|
||||
#include "../mwmechanics/activespells.hpp"
|
||||
#include "../mwmechanics/creaturestats.hpp"
|
||||
#include "../mwmechanics/npcstats.hpp"
|
||||
#include "../mwworld/action.hpp"
|
||||
#include "../mwworld/class.hpp"
|
||||
#include "../mwworld/esmstore.hpp"
|
||||
|
||||
#include "localscripts.hpp"
|
||||
#include "luamanagerimp.hpp"
|
||||
#include "object.hpp"
|
||||
#include "objectvariant.hpp"
|
||||
#include "worldview.hpp"
|
||||
|
||||
namespace MWLua
|
||||
{
|
||||
sol::table initCoreMagicBindings(const Context& context)
|
||||
{
|
||||
sol::state_view& lua = context.mLua->sol();
|
||||
sol::table magicApi(lua, sol::create);
|
||||
|
||||
// Constants
|
||||
magicApi["RANGE"] = LuaUtil::makeStrictReadOnly(context.mLua->tableFromPairs<std::string_view, ESM::RangeType>({
|
||||
{ "Self", ESM::RT_Self },
|
||||
{ "Touch", ESM::RT_Touch },
|
||||
{ "Target", ESM::RT_Target },
|
||||
}));
|
||||
magicApi["SCHOOL"] = LuaUtil::makeStrictReadOnly(context.mLua->tableFromPairs<std::string_view, int>({
|
||||
{ "Alteration", 0 },
|
||||
{ "Conjuration", 1 },
|
||||
{ "Destruction", 2 },
|
||||
{ "Illusion", 3 },
|
||||
{ "Mysticism", 4 },
|
||||
{ "Restoration", 5 },
|
||||
}));
|
||||
magicApi["SPELL_TYPE"]
|
||||
= LuaUtil::makeStrictReadOnly(context.mLua->tableFromPairs<std::string_view, ESM::Spell::SpellType>({
|
||||
{ "Spell", ESM::Spell::ST_Spell },
|
||||
{ "Ability", ESM::Spell::ST_Ability },
|
||||
{ "Blight", ESM::Spell::ST_Blight },
|
||||
{ "Disease", ESM::Spell::ST_Disease },
|
||||
{ "Curse", ESM::Spell::ST_Curse },
|
||||
{ "Power", ESM::Spell::ST_Power },
|
||||
}));
|
||||
|
||||
// Spell store
|
||||
using SpellStore = MWWorld::Store<ESM::Spell>;
|
||||
const SpellStore* spellStore = &MWBase::Environment::get().getWorld()->getStore().get<ESM::Spell>();
|
||||
sol::usertype<SpellStore> spellStoreT = lua.new_usertype<SpellStore>("ESM3_SpellStore");
|
||||
spellStoreT[sol::meta_function::to_string]
|
||||
= [](const SpellStore& store) { return "ESM3_SpellStore{" + std::to_string(store.getSize()) + " spells}"; };
|
||||
spellStoreT[sol::meta_function::length] = [](const SpellStore& store) { return store.getSize(); };
|
||||
spellStoreT[sol::meta_function::index] = sol::overload(
|
||||
[](const SpellStore& store, size_t index) -> const ESM::Spell* { return store.at(index - 1); },
|
||||
[](const SpellStore& store, std::string_view spellId) -> const ESM::Spell* {
|
||||
return store.find(ESM::RefId::deserializeText(spellId));
|
||||
});
|
||||
spellStoreT[sol::meta_function::pairs] = lua["ipairsForArray"].template get<sol::function>();
|
||||
spellStoreT[sol::meta_function::ipairs] = lua["ipairsForArray"].template get<sol::function>();
|
||||
|
||||
magicApi["spells"] = spellStore;
|
||||
|
||||
// MagicEffect store
|
||||
using MagicEffectStore = MWWorld::Store<ESM::MagicEffect>;
|
||||
const MagicEffectStore* magicEffectStore
|
||||
= &MWBase::Environment::get().getWorld()->getStore().get<ESM::MagicEffect>();
|
||||
auto magicEffectStoreT = lua.new_usertype<MagicEffectStore>("ESM3_MagicEffectStore");
|
||||
magicEffectStoreT[sol::meta_function::to_string] = [](const MagicEffectStore& store) {
|
||||
return "ESM3_MagicEffectStore{" + std::to_string(store.getSize()) + " effects}";
|
||||
};
|
||||
magicEffectStoreT[sol::meta_function::index]
|
||||
= [](const MagicEffectStore& store, int id) -> const ESM::MagicEffect* { return store.find(id); };
|
||||
auto magicEffectsIter = [magicEffectStore](sol::this_state lua, const sol::object& /*store*/,
|
||||
sol::optional<int> id) -> std::tuple<sol::object, sol::object> {
|
||||
MagicEffectStore::iterator iter;
|
||||
if (id.has_value())
|
||||
{
|
||||
iter = magicEffectStore->findIter(*id);
|
||||
if (iter != magicEffectStore->end())
|
||||
iter++;
|
||||
}
|
||||
else
|
||||
iter = magicEffectStore->begin();
|
||||
if (iter != magicEffectStore->end())
|
||||
return std::make_tuple(sol::make_object(lua, iter->first), sol::make_object(lua, &iter->second));
|
||||
else
|
||||
return std::make_tuple(sol::nil, sol::nil);
|
||||
};
|
||||
magicEffectStoreT[sol::meta_function::pairs]
|
||||
= [iter = sol::make_object(lua, magicEffectsIter)] { return iter; };
|
||||
|
||||
magicApi["effects"] = magicEffectStore;
|
||||
|
||||
// Spell record
|
||||
auto spellT = lua.new_usertype<ESM::Spell>("ESM3_Spell");
|
||||
spellT[sol::meta_function::to_string]
|
||||
= [](const ESM::Spell& rec) -> std::string { return "ESM3_Spell[" + rec.mId.toDebugString() + "]"; };
|
||||
spellT["id"] = sol::readonly_property([](const ESM::Spell& rec) { return rec.mId.serializeText(); });
|
||||
spellT["name"] = sol::readonly_property([](const ESM::Spell& rec) -> std::string_view { return rec.mName; });
|
||||
spellT["type"] = sol::readonly_property([](const ESM::Spell& rec) -> int { return rec.mData.mType; });
|
||||
spellT["cost"] = sol::readonly_property([](const ESM::Spell& rec) -> int { return rec.mData.mCost; });
|
||||
spellT["effects"] = sol::readonly_property([&lua](const ESM::Spell& rec) -> sol::table {
|
||||
sol::table res(lua, sol::create);
|
||||
for (size_t i = 0; i < rec.mEffects.mList.size(); ++i)
|
||||
res[i + 1] = rec.mEffects.mList[i]; // ESM::ENAMstruct (effect params)
|
||||
return res;
|
||||
});
|
||||
|
||||
// Effect params
|
||||
auto effectParamsT = lua.new_usertype<ESM::ENAMstruct>("ESM3_EffectParams");
|
||||
effectParamsT[sol::meta_function::to_string] = [magicEffectStore](const ESM::ENAMstruct& params) {
|
||||
const ESM::MagicEffect* const rec = magicEffectStore->find(params.mEffectID);
|
||||
return "ESM3_EffectParams[" + ESM::MagicEffect::effectIdToString(rec->mIndex) + "]";
|
||||
};
|
||||
effectParamsT["effect"]
|
||||
= sol::readonly_property([magicEffectStore](const ESM::ENAMstruct& params) -> const ESM::MagicEffect* {
|
||||
return magicEffectStore->find(params.mEffectID);
|
||||
});
|
||||
effectParamsT["affectedSkill"]
|
||||
= sol::readonly_property([](const ESM::ENAMstruct& params) -> sol::optional<std::string> {
|
||||
if (params.mSkill >= 0 && params.mSkill < ESM::Skill::Length)
|
||||
return Misc::StringUtils::lowerCase(ESM::Skill::sSkillNames[params.mSkill]);
|
||||
else
|
||||
return sol::nullopt;
|
||||
});
|
||||
effectParamsT["affectedAttribute"]
|
||||
= sol::readonly_property([](const ESM::ENAMstruct& params) -> sol::optional<std::string> {
|
||||
if (params.mAttribute >= 0 && params.mAttribute < ESM::Attribute::Length)
|
||||
return Misc::StringUtils::lowerCase(ESM::Attribute::sAttributeNames[params.mAttribute]);
|
||||
else
|
||||
return sol::nullopt;
|
||||
});
|
||||
effectParamsT["range"]
|
||||
= sol::readonly_property([](const ESM::ENAMstruct& params) -> int { return params.mRange; });
|
||||
effectParamsT["area"]
|
||||
= sol::readonly_property([](const ESM::ENAMstruct& params) -> int { return params.mArea; });
|
||||
effectParamsT["magnitudeMin"]
|
||||
= sol::readonly_property([](const ESM::ENAMstruct& params) -> int { return params.mMagnMin; });
|
||||
effectParamsT["magnitudeMax"]
|
||||
= sol::readonly_property([](const ESM::ENAMstruct& params) -> int { return params.mMagnMax; });
|
||||
|
||||
// MagicEffect record
|
||||
auto magicEffectT = context.mLua->sol().new_usertype<ESM::MagicEffect>("ESM3_MagicEffect");
|
||||
|
||||
magicEffectT[sol::meta_function::to_string] = [](const ESM::MagicEffect& rec) {
|
||||
return "ESM3_MagicEffect[" + ESM::MagicEffect::effectIdToString(rec.mIndex) + "]";
|
||||
};
|
||||
magicEffectT["id"] = sol::readonly_property([](const ESM::MagicEffect& rec) -> int { return rec.mIndex; });
|
||||
magicEffectT["name"] = sol::readonly_property([](const ESM::MagicEffect& rec) -> std::string_view {
|
||||
return MWBase::Environment::get()
|
||||
.getWorld()
|
||||
->getStore()
|
||||
.get<ESM::GameSetting>()
|
||||
.find(ESM::MagicEffect::effectIdToString(rec.mIndex))
|
||||
->mValue.getString();
|
||||
});
|
||||
magicEffectT["school"]
|
||||
= sol::readonly_property([](const ESM::MagicEffect& rec) -> int { return rec.mData.mSchool; });
|
||||
magicEffectT["baseCost"]
|
||||
= sol::readonly_property([](const ESM::MagicEffect& rec) -> float { return rec.mData.mBaseCost; });
|
||||
magicEffectT["color"] = sol::readonly_property([](const ESM::MagicEffect& rec) -> Misc::Color {
|
||||
return Misc::Color(rec.mData.mRed / 255.f, rec.mData.mGreen / 255.f, rec.mData.mBlue / 255.f, 1.f);
|
||||
});
|
||||
magicEffectT["harmful"] = sol::readonly_property(
|
||||
[](const ESM::MagicEffect& rec) -> bool { return rec.mData.mFlags & ESM::MagicEffect::Harmful; });
|
||||
|
||||
// TODO: Should we expose it? What happens if a spell has several effects with different projectileSpeed?
|
||||
// magicEffectT["projectileSpeed"]
|
||||
// = sol::readonly_property([](const ESM::MagicEffect& rec) -> float { return rec.mData.mSpeed; });
|
||||
|
||||
return LuaUtil::makeReadOnly(magicApi);
|
||||
}
|
||||
|
||||
// class returned via 'types.Actor.spells(obj)' in Lua
|
||||
struct ActorSpells
|
||||
{
|
||||
const ObjectVariant mActor;
|
||||
};
|
||||
|
||||
void addActorMagicBindings(sol::table& actor, const Context& context)
|
||||
{
|
||||
const MWWorld::Store<ESM::Spell>* spellStore
|
||||
= &MWBase::Environment::get().getWorld()->getStore().get<ESM::Spell>();
|
||||
|
||||
// types.Actor.spells(o)
|
||||
actor["spells"] = [](const sol::object actor) { return ActorSpells{ ObjectVariant(actor) }; };
|
||||
auto spellsT = context.mLua->sol().new_usertype<ActorSpells>("ActorSpells");
|
||||
spellsT[sol::meta_function::to_string]
|
||||
= [](const ActorSpells& spells) { return "ActorSpells[" + spells.mActor.object().toString(); };
|
||||
|
||||
// #(types.Actor.spells(o))
|
||||
spellsT[sol::meta_function::length] = [](const ActorSpells& spells) -> size_t {
|
||||
const MWWorld::Ptr& ptr = spells.mActor.ptr();
|
||||
return ptr.getClass().getCreatureStats(ptr).getSpells().count();
|
||||
};
|
||||
|
||||
// types.Actor.spells(o)[i]
|
||||
spellsT[sol::meta_function::index] = sol::overload(
|
||||
[](const ActorSpells& spells, size_t index) -> const ESM::Spell* {
|
||||
const MWWorld::Ptr& ptr = spells.mActor.ptr();
|
||||
return ptr.getClass().getCreatureStats(ptr).getSpells().at(index - 1);
|
||||
},
|
||||
[spellStore](const ActorSpells& spells, std::string_view spellId) -> sol::optional<const ESM::Spell*> {
|
||||
const MWWorld::Ptr& ptr = spells.mActor.ptr();
|
||||
const ESM::Spell* spell = spellStore->find(ESM::RefId::deserializeText(spellId));
|
||||
if (ptr.getClass().getCreatureStats(ptr).getSpells().hasSpell(spell))
|
||||
return spell;
|
||||
else
|
||||
return sol::nullopt;
|
||||
});
|
||||
|
||||
// pairs(types.Actor.spells(o))
|
||||
spellsT[sol::meta_function::pairs] = context.mLua->sol()["ipairsForArray"].template get<sol::function>();
|
||||
|
||||
// ipairs(types.Actor.spells(o))
|
||||
spellsT[sol::meta_function::ipairs] = context.mLua->sol()["ipairsForArray"].template get<sol::function>();
|
||||
|
||||
auto toSpellId = [](const sol::object& spellOrId) -> ESM::RefId {
|
||||
if (spellOrId.is<ESM::Spell>())
|
||||
return spellOrId.as<const ESM::Spell*>()->mId;
|
||||
else
|
||||
return ESM::RefId::deserializeText(spellOrId.as<std::string_view>());
|
||||
};
|
||||
|
||||
// types.Actor.spells(o):add(id)
|
||||
spellsT["add"] = [context, toSpellId](const ActorSpells& spells, const sol::object& spellOrId) {
|
||||
if (spells.mActor.isLObject())
|
||||
throw std::runtime_error("Local scripts can modify only spells of the actor they are attached to.");
|
||||
context.mLuaManager->addAction([obj = spells.mActor.object(), id = toSpellId(spellOrId)]() {
|
||||
const MWWorld::Ptr& ptr = obj.ptr();
|
||||
ptr.getClass().getCreatureStats(ptr).getSpells().add(id);
|
||||
});
|
||||
};
|
||||
|
||||
// types.Actor.spells(o):remove(id)
|
||||
spellsT["remove"] = [context, toSpellId](const ActorSpells& spells, const sol::object& spellOrId) {
|
||||
if (spells.mActor.isLObject())
|
||||
throw std::runtime_error("Local scripts can modify only spells of the actor they are attached to.");
|
||||
context.mLuaManager->addAction([obj = spells.mActor.object(), id = toSpellId(spellOrId)]() {
|
||||
const MWWorld::Ptr& ptr = obj.ptr();
|
||||
ptr.getClass().getCreatureStats(ptr).getSpells().remove(id);
|
||||
});
|
||||
};
|
||||
|
||||
// types.Actor.spells(o):clear()
|
||||
spellsT["clear"] = [context](const ActorSpells& spells) {
|
||||
if (spells.mActor.isLObject())
|
||||
throw std::runtime_error("Local scripts can modify only spells of the actor they are attached to.");
|
||||
context.mLuaManager->addAction([obj = spells.mActor.object()]() {
|
||||
const MWWorld::Ptr& ptr = obj.ptr();
|
||||
ptr.getClass().getCreatureStats(ptr).getSpells().clear();
|
||||
});
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
#ifndef MWLUA_MAGICBINDINGS_H
|
||||
#define MWLUA_MAGICBINDINGS_H
|
||||
|
||||
#include <sol/forward.hpp>
|
||||
|
||||
#include "context.hpp"
|
||||
|
||||
namespace MWLua
|
||||
{
|
||||
sol::table initCoreMagicBindings(const Context& context);
|
||||
void addActorMagicBindings(sol::table& actor, const Context& context);
|
||||
}
|
||||
|
||||
#endif // MWLUA_MAGICBINDINGS_H
|
||||
Loading…
Reference in New Issue