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OpenMW/apps/openmw/mwlua/worldbindings.cpp

228 lines
10 KiB
C++

#include "worldbindings.hpp"
#include <components/esm3/loadacti.hpp>
#include <components/esm3/loadalch.hpp>
#include <components/esm3/loadarmo.hpp>
#include <components/esm3/loadbook.hpp>
#include <components/esm3/loadclot.hpp>
#include <components/esm3/loadligh.hpp>
#include <components/esm3/loadmisc.hpp>
#include <components/esm3/loadskil.hpp>
#include <components/esm3/loadweap.hpp>
#include <components/lua/luastate.hpp>
#include "../mwbase/environment.hpp"
#include "../mwbase/statemanager.hpp"
#include "../mwbase/windowmanager.hpp"
#include "../mwbase/world.hpp"
#include "../mwworld/action.hpp"
#include "../mwworld/class.hpp"
#include "../mwworld/datetimemanager.hpp"
#include "../mwworld/esmstore.hpp"
#include "../mwworld/manualref.hpp"
#include "../mwworld/store.hpp"
#include "../mwworld/worldmodel.hpp"
#include "luamanagerimp.hpp"
#include "animationbindings.hpp"
#include "corebindings.hpp"
#include "mwscriptbindings.hpp"
namespace MWLua
{
struct CellsStore
{
};
}
namespace sol
{
template <>
struct is_automagical<MWLua::CellsStore> : std::false_type
{
};
}
namespace MWLua
{
static void checkGameInitialized(LuaUtil::LuaState* lua)
{
if (MWBase::Environment::get().getStateManager()->getState() == MWBase::StateManager::State_NoGame)
throw std::runtime_error(
"This function cannot be used until the game is fully initialized.\n" + lua->debugTraceback());
}
static void addWorldTimeBindings(sol::table& api, const Context& context)
{
MWWorld::DateTimeManager* timeManager = MWBase::Environment::get().getWorld()->getTimeManager();
api["setGameTimeScale"] = [timeManager](double scale) { timeManager->setGameTimeScale(scale); };
api["setSimulationTimeScale"] = [context, timeManager](float scale) {
context.mLuaManager->addAction([scale, timeManager] { timeManager->setSimulationTimeScale(scale); });
};
api["pause"]
= [timeManager](sol::optional<std::string_view> tag) { timeManager->pause(tag.value_or("paused")); };
api["unpause"]
= [timeManager](sol::optional<std::string_view> tag) { timeManager->unpause(tag.value_or("paused")); };
api["getPausedTags"] = [timeManager](sol::this_state lua) {
sol::table res(lua, sol::create);
for (const std::string& tag : timeManager->getPausedTags())
res[tag] = tag;
return res;
};
}
static void addCellGetters(sol::table& api, const Context& context)
{
api["getCellByName"] = [](std::string_view name) {
return GCell{ &MWBase::Environment::get().getWorldModel()->getCell(name, /*forceLoad=*/false) };
};
api["getCellById"] = [](std::string_view stringId) {
return GCell{ &MWBase::Environment::get().getWorldModel()->getCell(
ESM::RefId::deserializeText(stringId), /*forceLoad=*/false) };
};
api["getExteriorCell"] = [](int x, int y, sol::object cellOrName) {
ESM::RefId worldspace;
if (cellOrName.is<GCell>())
worldspace = cellOrName.as<GCell>().mStore->getCell()->getWorldSpace();
else if (cellOrName.is<std::string_view>() && !cellOrName.as<std::string_view>().empty())
worldspace = MWBase::Environment::get()
.getWorldModel()
->getCell(cellOrName.as<std::string_view>())
.getCell()
->getWorldSpace();
else
worldspace = ESM::Cell::sDefaultWorldspaceId;
return GCell{ &MWBase::Environment::get().getWorldModel()->getExterior(
ESM::ExteriorCellLocation(x, y, worldspace), /*forceLoad=*/false) };
};
const MWWorld::Store<ESM::Cell>* cells3Store = &MWBase::Environment::get().getESMStore()->get<ESM::Cell>();
const MWWorld::Store<ESM4::Cell>* cells4Store = &MWBase::Environment::get().getESMStore()->get<ESM4::Cell>();
sol::usertype<CellsStore> cells = context.mLua->sol().new_usertype<CellsStore>("Cells");
cells[sol::meta_function::length]
= [cells3Store, cells4Store](const CellsStore&) { return cells3Store->getSize() + cells4Store->getSize(); };
cells[sol::meta_function::index]
= [cells3Store, cells4Store](const CellsStore&, size_t index) -> sol::optional<GCell> {
if (index > cells3Store->getSize() + cells3Store->getSize() || index == 0)
return sol::nullopt;
index--; // Translate from Lua's 1-based indexing.
if (index < cells3Store->getSize())
{
const ESM::Cell* cellRecord = cells3Store->at(index);
return GCell{ &MWBase::Environment::get().getWorldModel()->getCell(
cellRecord->mId, /*forceLoad=*/false) };
}
else
{
const ESM4::Cell* cellRecord = cells4Store->at(index - cells3Store->getSize());
return GCell{ &MWBase::Environment::get().getWorldModel()->getCell(
cellRecord->mId, /*forceLoad=*/false) };
}
};
cells[sol::meta_function::pairs] = context.mLua->sol()["ipairsForArray"].template get<sol::function>();
cells[sol::meta_function::ipairs] = context.mLua->sol()["ipairsForArray"].template get<sol::function>();
api["cells"] = CellsStore{};
}
sol::table initWorldPackage(const Context& context)
{
sol::table api(context.mLua->sol(), sol::create);
addCoreTimeBindings(api, context);
addWorldTimeBindings(api, context);
addCellGetters(api, context);
api["mwscript"] = initMWScriptBindings(context);
ObjectLists* objectLists = context.mObjectLists;
api["activeActors"] = GObjectList{ objectLists->getActorsInScene() };
api["players"] = GObjectList{ objectLists->getPlayers() };
api["createObject"] = [lua = context.mLua](std::string_view recordId, sol::optional<int> count) -> GObject {
checkGameInitialized(lua);
MWWorld::ManualRef mref(*MWBase::Environment::get().getESMStore(), ESM::RefId::deserializeText(recordId));
const MWWorld::Ptr& ptr = mref.getPtr();
ptr.getRefData().disable();
MWWorld::CellStore& cell = MWBase::Environment::get().getWorldModel()->getDraftCell();
MWWorld::Ptr newPtr = ptr.getClass().copyToCell(ptr, cell, count.value_or(1));
return GObject(newPtr);
};
api["getObjectByFormId"] = [](std::string_view formIdStr) -> GObject {
ESM::RefId refId = ESM::RefId::deserializeText(formIdStr);
if (!refId.is<ESM::FormId>())
throw std::runtime_error("FormId expected, got " + std::string(formIdStr) + "; use core.getFormId");
return GObject(*refId.getIf<ESM::FormId>());
};
// Creates a new record in the world database.
api["createRecord"] = sol::overload(
[lua = context.mLua](const ESM::Activator& activator) -> const ESM::Activator* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(activator);
},
[lua = context.mLua](const ESM::Armor& armor) -> const ESM::Armor* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(armor);
},
[lua = context.mLua](const ESM::Clothing& clothing) -> const ESM::Clothing* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(clothing);
},
[lua = context.mLua](const ESM::Book& book) -> const ESM::Book* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(book);
},
[lua = context.mLua](const ESM::Miscellaneous& misc) -> const ESM::Miscellaneous* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(misc);
},
[lua = context.mLua](const ESM::Potion& potion) -> const ESM::Potion* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(potion);
},
[lua = context.mLua](const ESM::Weapon& weapon) -> const ESM::Weapon* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(weapon);
},
[lua = context.mLua](const ESM::Light& light) -> const ESM::Light* {
checkGameInitialized(lua);
return MWBase::Environment::get().getESMStore()->insert(light);
});
api["_runStandardActivationAction"] = [context](const GObject& object, const GObject& actor) {
if (!object.ptr().getRefData().activate())
return;
context.mLuaManager->addAction(
[object, actor] {
const MWWorld::Ptr& objPtr = object.ptr();
const MWWorld::Ptr& actorPtr = actor.ptr();
objPtr.getClass().activate(objPtr, actorPtr)->execute(actorPtr);
},
"_runStandardActivationAction");
};
api["_runStandardUseAction"] = [context](const GObject& object, const GObject& actor, bool force) {
context.mLuaManager->addAction(
[object, actor, force] {
const MWWorld::Ptr& actorPtr = actor.ptr();
const MWWorld::Ptr& objectPtr = object.ptr();
if (actorPtr == MWBase::Environment::get().getWorld()->getPlayerPtr())
MWBase::Environment::get().getWindowManager()->useItem(objectPtr, force);
else
{
std::unique_ptr<MWWorld::Action> action = objectPtr.getClass().use(objectPtr, force);
action->execute(actorPtr, true);
}
},
"_runStandardUseAction");
};
api["vfx"] = initWorldVfxBindings(context);
return LuaUtil::makeReadOnly(api);
}
}