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OpenMW/apps/openmw/mwlua/objectbindings.cpp
psi29a 71e4e5ceec Merge branch 'lua_activate' into 'master'
[Lua] Fix the bug that object:activate() doesn't trigger mwscripts

See merge request OpenMW/openmw!1834
2022-05-08 08:30:50 +00:00

344 lines
16 KiB
C++

#include "luabindings.hpp"
#include <components/lua/luastate.hpp>
#include "../mwworld/action.hpp"
#include "../mwworld/cellstore.hpp"
#include "../mwworld/class.hpp"
#include "../mwworld/containerstore.hpp"
#include "../mwworld/inventorystore.hpp"
#include "../mwworld/player.hpp"
#include "eventqueue.hpp"
#include "luamanagerimp.hpp"
#include "types/types.hpp"
namespace sol
{
template <>
struct is_automagical<MWLua::LObject> : std::false_type {};
template <>
struct is_automagical<MWLua::GObject> : std::false_type {};
template <>
struct is_automagical<MWLua::LObjectList> : std::false_type {};
template <>
struct is_automagical<MWLua::GObjectList> : std::false_type {};
template <>
struct is_automagical<MWLua::Inventory<MWLua::LObject>> : std::false_type {};
template <>
struct is_automagical<MWLua::Inventory<MWLua::GObject>> : std::false_type {};
}
namespace MWLua
{
namespace {
class TeleportAction final : public LuaManager::Action
{
public:
TeleportAction(LuaUtil::LuaState* state, ObjectId object, std::string cell, const osg::Vec3f& pos, const osg::Vec3f& rot)
: Action(state), mObject(object), mCell(std::move(cell)), mPos(pos), mRot(rot) {}
void apply(WorldView& worldView) const override
{
MWWorld::CellStore* cell = worldView.findCell(mCell, mPos);
if (!cell)
throw std::runtime_error(std::string("cell not found: '") + mCell + "'");
MWBase::World* world = MWBase::Environment::get().getWorld();
MWWorld::Ptr obj = worldView.getObjectRegistry()->getPtr(mObject, false);
const MWWorld::Class& cls = obj.getClass();
bool isPlayer = obj == world->getPlayerPtr();
if (cls.isActor())
cls.getCreatureStats(obj).land(isPlayer);
if (isPlayer)
{
ESM::Position esmPos;
static_assert(sizeof(esmPos) == sizeof(osg::Vec3f) * 2);
std::memcpy(esmPos.pos, &mPos, sizeof(osg::Vec3f));
std::memcpy(esmPos.rot, &mRot, sizeof(osg::Vec3f));
world->getPlayer().setTeleported(true);
if (cell->isExterior())
world->changeToExteriorCell(esmPos, true);
else
world->changeToInteriorCell(mCell, esmPos, true);
}
else
{
MWWorld::Ptr newObj = world->moveObject(obj, cell, mPos);
world->rotateObject(newObj, mRot);
}
}
std::string toString() const override { return "TeleportAction"; }
private:
ObjectId mObject;
std::string mCell;
osg::Vec3f mPos;
osg::Vec3f mRot;
};
class ActivateAction final : public LuaManager::Action
{
public:
ActivateAction(LuaUtil::LuaState* state, ObjectId object, ObjectId actor)
: Action(state), mObject(object), mActor(actor) {}
void apply(WorldView& worldView) const override
{
MWWorld::Ptr object = worldView.getObjectRegistry()->getPtr(mObject, true);
if (object.isEmpty())
throw std::runtime_error(std::string("Object not found: " + idToString(mObject)));
MWWorld::Ptr actor = worldView.getObjectRegistry()->getPtr(mActor, true);
if (actor.isEmpty())
throw std::runtime_error(std::string("Actor not found: " + idToString(mActor)));
if (object.getRefData().activate())
{
MWBase::Environment::get().getLuaManager()->objectActivated(object, actor);
std::unique_ptr<MWWorld::Action> action = object.getClass().activate(object, actor);
action->execute(actor);
}
}
std::string toString() const override
{
return std::string("ActivateAction object=") + idToString(mObject) +
std::string(" actor=") + idToString(mActor);
}
private:
ObjectId mObject;
ObjectId mActor;
};
template <typename ObjT>
using Cell = std::conditional_t<std::is_same_v<ObjT, LObject>, LCell, GCell>;
template <class ObjectT>
void registerObjectList(const std::string& prefix, const Context& context)
{
using ListT = ObjectList<ObjectT>;
sol::state& lua = context.mLua->sol();
ObjectRegistry* registry = context.mWorldView->getObjectRegistry();
sol::usertype<ListT> listT = lua.new_usertype<ListT>(prefix + "ObjectList");
listT[sol::meta_function::to_string] =
[](const ListT& list) { return "{" + std::to_string(list.mIds->size()) + " objects}"; };
listT[sol::meta_function::length] = [](const ListT& list) { return list.mIds->size(); };
listT[sol::meta_function::index] = [registry](const ListT& list, size_t index)
{
if (index > 0 && index <= list.mIds->size())
return ObjectT((*list.mIds)[index - 1], registry);
else
throw std::runtime_error("Index out of range");
};
listT[sol::meta_function::pairs] = lua["ipairsForArray"].template get<sol::function>();
listT[sol::meta_function::ipairs] = lua["ipairsForArray"].template get<sol::function>();
}
template <class ObjectT>
void addBasicBindings(sol::usertype<ObjectT>& objectT, const Context& context)
{
objectT["isValid"] = [](const ObjectT& o) { return o.isValid(); };
objectT["recordId"] = sol::readonly_property([](const ObjectT& o) -> std::string
{
return o.ptr().getCellRef().getRefId();
});
objectT["cell"] = sol::readonly_property([](const ObjectT& o) -> sol::optional<Cell<ObjectT>>
{
const MWWorld::Ptr& ptr = o.ptr();
if (ptr.isInCell())
return Cell<ObjectT>{ptr.getCell()};
else
return sol::nullopt;
});
objectT["position"] = sol::readonly_property([](const ObjectT& o) -> osg::Vec3f
{
return o.ptr().getRefData().getPosition().asVec3();
});
objectT["rotation"] = sol::readonly_property([](const ObjectT& o) -> osg::Vec3f
{
return o.ptr().getRefData().getPosition().asRotationVec3();
});
objectT["type"] = sol::readonly_property([types=getTypeToPackageTable(context.mLua->sol())](const ObjectT& o) mutable
{
return types[o.ptr().getLuaType()];
});
objectT["count"] = sol::readonly_property([](const ObjectT& o) { return o.ptr().getRefData().getCount(); });
objectT[sol::meta_function::equal_to] = [](const ObjectT& a, const ObjectT& b) { return a.id() == b.id(); };
objectT[sol::meta_function::to_string] = &ObjectT::toString;
objectT["sendEvent"] = [context](const ObjectT& dest, std::string eventName, const sol::object& eventData)
{
context.mLocalEventQueue->push_back({dest.id(), std::move(eventName), LuaUtil::serialize(eventData, context.mSerializer)});
};
objectT["activateBy"] = [context](const ObjectT& o, const ObjectT& actor)
{
uint32_t esmRecordType = actor.ptr().getType();
if (esmRecordType != ESM::REC_CREA && esmRecordType != ESM::REC_NPC_)
throw std::runtime_error("The argument of `activateBy` must be an actor who activates the object. Got: " +
ptrToString(actor.ptr()));
context.mLuaManager->addAction(std::make_unique<ActivateAction>(context.mLua, o.id(), actor.id()));
};
if constexpr (std::is_same_v<ObjectT, GObject>)
{ // Only for global scripts
objectT["addScript"] = [lua=context.mLua, luaManager=context.mLuaManager](const GObject& object, std::string_view path)
{
const LuaUtil::ScriptsConfiguration& cfg = lua->getConfiguration();
std::optional<int> scriptId = cfg.findId(path);
if (!scriptId)
throw std::runtime_error("Unknown script: " + std::string(path));
if (!(cfg[*scriptId].mFlags & ESM::LuaScriptCfg::sCustom))
throw std::runtime_error("Script without CUSTOM tag can not be added dynamically: " + std::string(path));
if (object.ptr().getType() == ESM::REC_STAT)
throw std::runtime_error("Attaching scripts to Static is not allowed: " + std::string(path));
luaManager->addCustomLocalScript(object.ptr(), *scriptId);
};
objectT["hasScript"] = [lua=context.mLua](const GObject& object, std::string_view path)
{
const LuaUtil::ScriptsConfiguration& cfg = lua->getConfiguration();
std::optional<int> scriptId = cfg.findId(path);
if (!scriptId)
return false;
MWWorld::Ptr ptr = object.ptr();
LocalScripts* localScripts = ptr.getRefData().getLuaScripts();
if (localScripts)
return localScripts->hasScript(*scriptId);
else
return false;
};
objectT["removeScript"] = [lua=context.mLua](const GObject& object, std::string_view path)
{
const LuaUtil::ScriptsConfiguration& cfg = lua->getConfiguration();
std::optional<int> scriptId = cfg.findId(path);
if (!scriptId)
throw std::runtime_error("Unknown script: " + std::string(path));
MWWorld::Ptr ptr = object.ptr();
LocalScripts* localScripts = ptr.getRefData().getLuaScripts();
if (!localScripts || !localScripts->hasScript(*scriptId))
throw std::runtime_error("There is no script " + std::string(path) + " on " + ptrToString(ptr));
ESM::LuaScriptCfg::Flags flags = cfg[*scriptId].mFlags;
if ((flags & (localScripts->getAutoStartMode() | ESM::LuaScriptCfg::sCustom)) != ESM::LuaScriptCfg::sCustom)
throw std::runtime_error("Autostarted script can not be removed: " + std::string(path));
localScripts->removeScript(*scriptId);
};
objectT["teleport"] = [context](const GObject& object, std::string_view cell,
const osg::Vec3f& pos, const sol::optional<osg::Vec3f>& optRot)
{
MWWorld::Ptr ptr = object.ptr();
osg::Vec3f rot = optRot ? *optRot : ptr.getRefData().getPosition().asRotationVec3();
auto action = std::make_unique<TeleportAction>(context.mLua, object.id(), std::string(cell), pos, rot);
if (ptr == MWBase::Environment::get().getWorld()->getPlayerPtr())
context.mLuaManager->addTeleportPlayerAction(std::move(action));
else
context.mLuaManager->addAction(std::move(action));
};
}
}
template <class ObjectT>
void addInventoryBindings(sol::usertype<ObjectT>& objectT, const std::string& prefix, const Context& context)
{
using InventoryT = Inventory<ObjectT>;
sol::usertype<InventoryT> inventoryT = context.mLua->sol().new_usertype<InventoryT>(prefix + "Inventory");
inventoryT[sol::meta_function::to_string] =
[](const InventoryT& inv) { return "Inventory[" + inv.mObj.toString() + "]"; };
inventoryT["getAll"] = [worldView=context.mWorldView, ids=getPackageToTypeTable(context.mLua->sol())](
const InventoryT& inventory, sol::optional<sol::table> type)
{
int mask = -1;
sol::optional<uint32_t> typeId = sol::nullopt;
if (type.has_value())
typeId = ids[*type];
else
mask = MWWorld::ContainerStore::Type_All;
if (typeId.has_value())
{
switch (*typeId)
{
case ESM::REC_ALCH: mask = MWWorld::ContainerStore::Type_Potion; break;
case ESM::REC_ARMO: mask = MWWorld::ContainerStore::Type_Armor; break;
case ESM::REC_BOOK: mask = MWWorld::ContainerStore::Type_Book; break;
case ESM::REC_CLOT: mask = MWWorld::ContainerStore::Type_Clothing; break;
case ESM::REC_INGR: mask = MWWorld::ContainerStore::Type_Ingredient; break;
case ESM::REC_LIGH: mask = MWWorld::ContainerStore::Type_Light; break;
case ESM::REC_MISC: mask = MWWorld::ContainerStore::Type_Miscellaneous; break;
case ESM::REC_WEAP: mask = MWWorld::ContainerStore::Type_Weapon; break;
case ESM::REC_APPA: mask = MWWorld::ContainerStore::Type_Apparatus; break;
case ESM::REC_LOCK: mask = MWWorld::ContainerStore::Type_Lockpick; break;
case ESM::REC_PROB: mask = MWWorld::ContainerStore::Type_Probe; break;
case ESM::REC_REPA: mask = MWWorld::ContainerStore::Type_Repair; break;
default:;
}
}
if (mask == -1)
throw std::runtime_error(std::string("Incorrect type argument in inventory:getAll: " + LuaUtil::toString(*type)));
const MWWorld::Ptr& ptr = inventory.mObj.ptr();
MWWorld::ContainerStore& store = ptr.getClass().getContainerStore(ptr);
ObjectIdList list = std::make_shared<std::vector<ObjectId>>();
auto it = store.begin(mask);
while (it.getType() != -1)
{
const MWWorld::Ptr& item = *(it++);
worldView->getObjectRegistry()->registerPtr(item);
list->push_back(getId(item));
}
return ObjectList<ObjectT>{list};
};
inventoryT["countOf"] = [](const InventoryT& inventory, const std::string& recordId)
{
const MWWorld::Ptr& ptr = inventory.mObj.ptr();
MWWorld::ContainerStore& store = ptr.getClass().getContainerStore(ptr);
return store.count(recordId);
};
if constexpr (std::is_same_v<ObjectT, GObject>)
{ // Only for global scripts
// TODO
// obj.inventory:drop(obj2, [count])
// obj.inventory:drop(recordId, [count])
// obj.inventory:addNew(recordId, [count])
// obj.inventory:remove(obj/recordId, [count])
/*objectT["moveInto"] = [](const GObject& obj, const InventoryT& inventory) {};
inventoryT["drop"] = [](const InventoryT& inventory) {};
inventoryT["addNew"] = [](const InventoryT& inventory) {};
inventoryT["remove"] = [](const InventoryT& inventory) {};*/
}
}
template <class ObjectT>
void initObjectBindings(const std::string& prefix, const Context& context)
{
sol::usertype<ObjectT> objectT = context.mLua->sol().new_usertype<ObjectT>(
prefix + "Object", sol::base_classes, sol::bases<Object>());
addBasicBindings<ObjectT>(objectT, context);
addInventoryBindings<ObjectT>(objectT, prefix, context);
registerObjectList<ObjectT>(prefix, context);
}
} // namespace
void initObjectBindingsForLocalScripts(const Context& context)
{
initObjectBindings<LObject>("L", context);
}
void initObjectBindingsForGlobalScripts(const Context& context)
{
initObjectBindings<GObject>("G", context);
}
}