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OpenMW/apps/openmw/mwlua/localscripts.cpp
2024-07-31 20:29:33 +02:00

252 lines
12 KiB
C++

#include "localscripts.hpp"
#include <components/esm3/loadcell.hpp>
#include <components/esm3/loadweap.hpp>
#include <components/misc/strings/lower.hpp>
#include "../mwbase/environment.hpp"
#include "../mwbase/mechanicsmanager.hpp"
#include "../mwmechanics/aicombat.hpp"
#include "../mwmechanics/aiescort.hpp"
#include "../mwmechanics/aifollow.hpp"
#include "../mwmechanics/aipackage.hpp"
#include "../mwmechanics/aipursue.hpp"
#include "../mwmechanics/aisequence.hpp"
#include "../mwmechanics/aitravel.hpp"
#include "../mwmechanics/aiwander.hpp"
#include "../mwmechanics/attacktype.hpp"
#include "../mwmechanics/creaturestats.hpp"
#include "../mwworld/class.hpp"
#include "../mwworld/ptr.hpp"
#include "context.hpp"
namespace sol
{
template <>
struct is_automagical<MWBase::LuaManager::ActorControls> : std::false_type
{
};
template <>
struct is_automagical<MWLua::SelfObject> : std::false_type
{
};
}
namespace MWLua
{
void LocalScripts::initializeSelfPackage(const Context& context)
{
using ActorControls = MWBase::LuaManager::ActorControls;
sol::usertype<ActorControls> controls = context.mLua->sol().new_usertype<ActorControls>("ActorControls");
#define CONTROL(TYPE, FIELD) \
sol::property([](const ActorControls& c) { return c.FIELD; }, \
[](ActorControls& c, const TYPE& v) { \
c.FIELD = v; \
c.mChanged = true; \
})
controls["movement"] = CONTROL(float, mMovement);
controls["sideMovement"] = CONTROL(float, mSideMovement);
controls["pitchChange"] = CONTROL(float, mPitchChange);
controls["yawChange"] = CONTROL(float, mYawChange);
controls["run"] = CONTROL(bool, mRun);
controls["sneak"] = CONTROL(bool, mSneak);
controls["jump"] = CONTROL(bool, mJump);
controls["use"] = CONTROL(int, mUse);
#undef CONTROL
sol::usertype<SelfObject> selfAPI = context.mLua->sol().new_usertype<SelfObject>(
"SelfObject", sol::base_classes, sol::bases<LObject, Object>());
selfAPI[sol::meta_function::to_string]
= [](SelfObject& self) { return "openmw.self[" + self.toString() + "]"; };
selfAPI["object"] = sol::readonly_property([](SelfObject& self) -> LObject { return LObject(self); });
selfAPI["controls"] = sol::readonly_property([](SelfObject& self) { return &self.mControls; });
selfAPI["isActive"] = [](SelfObject& self) { return &self.mIsActive; };
selfAPI["enableAI"] = [](SelfObject& self, bool v) { self.mControls.mDisableAI = !v; };
selfAPI["ATTACK_TYPE"]
= LuaUtil::makeStrictReadOnly(context.mLua->tableFromPairs<std::string_view, MWMechanics::AttackType>(
{ { "NoAttack", MWMechanics::AttackType::NoAttack }, { "Any", MWMechanics::AttackType::Any },
{ "Chop", MWMechanics::AttackType::Chop }, { "Slash", MWMechanics::AttackType::Slash },
{ "Thrust", MWMechanics::AttackType::Thrust } }));
using AiPackage = MWMechanics::AiPackage;
sol::usertype<AiPackage> aiPackage = context.mLua->sol().new_usertype<AiPackage>("AiPackage");
aiPackage["type"] = sol::readonly_property([](const AiPackage& p) -> std::string_view {
switch (p.getTypeId())
{
case MWMechanics::AiPackageTypeId::Wander:
return "Wander";
case MWMechanics::AiPackageTypeId::Travel:
return "Travel";
case MWMechanics::AiPackageTypeId::Escort:
return "Escort";
case MWMechanics::AiPackageTypeId::Follow:
return "Follow";
case MWMechanics::AiPackageTypeId::Activate:
return "Activate";
case MWMechanics::AiPackageTypeId::Combat:
return "Combat";
case MWMechanics::AiPackageTypeId::Pursue:
return "Pursue";
case MWMechanics::AiPackageTypeId::AvoidDoor:
return "AvoidDoor";
case MWMechanics::AiPackageTypeId::Face:
return "Face";
case MWMechanics::AiPackageTypeId::Breathe:
return "Breathe";
case MWMechanics::AiPackageTypeId::Cast:
return "Cast";
default:
return "Unknown";
}
});
aiPackage["target"] = sol::readonly_property([](const AiPackage& p) -> sol::optional<LObject> {
MWWorld::Ptr target = p.getTarget();
if (target.isEmpty())
return sol::nullopt;
else
return LObject(getId(target));
});
aiPackage["sideWithTarget"] = sol::readonly_property([](const AiPackage& p) { return p.sideWithTarget(); });
aiPackage["destPosition"] = sol::readonly_property([](const AiPackage& p) { return p.getDestination(); });
aiPackage["distance"] = sol::readonly_property([](const AiPackage& p) { return p.getDistance(); });
aiPackage["duration"] = sol::readonly_property([](const AiPackage& p) { return p.getDuration(); });
aiPackage["idle"] = sol::readonly_property([context](const AiPackage& p) -> sol::optional<sol::table> {
if (p.getTypeId() == MWMechanics::AiPackageTypeId::Wander)
{
sol::table idles(context.mLua->sol(), sol::create);
const std::vector<unsigned char>& idle = static_cast<const MWMechanics::AiWander&>(p).getIdle();
if (!idle.empty())
{
for (size_t i = 0; i < idle.size(); ++i)
{
std::string_view groupName = MWMechanics::AiWander::getIdleGroupName(i);
idles[groupName] = idle[i];
}
return idles;
}
}
return sol::nullopt;
});
aiPackage["isRepeat"] = sol::readonly_property([](const AiPackage& p) { return p.getRepeat(); });
selfAPI["_isFleeing"] = [](SelfObject& self) -> bool {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
if (ai.isEmpty())
return false;
else
return ai.isFleeing();
};
selfAPI["_getActiveAiPackage"] = [](SelfObject& self) -> sol::optional<std::shared_ptr<AiPackage>> {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
if (ai.isEmpty())
return sol::nullopt;
else
return *ai.begin();
};
selfAPI["_iterateAndFilterAiSequence"] = [](SelfObject& self, sol::function callback) {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
ai.erasePackagesIf([&](auto& entry) {
bool keep = LuaUtil::call(callback, entry).template get<bool>();
return !keep;
});
};
selfAPI["_startAiCombat"] = [](SelfObject& self, const LObject& target, bool cancelOther) {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
ai.stack(MWMechanics::AiCombat(target.ptr()), ptr, cancelOther);
};
selfAPI["_startAiPursue"] = [](SelfObject& self, const LObject& target, bool cancelOther) {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
ai.stack(MWMechanics::AiPursue(target.ptr()), ptr, cancelOther);
};
selfAPI["_startAiFollow"] = [](SelfObject& self, const LObject& target, sol::optional<LCell> cell,
float duration, const osg::Vec3f& dest, bool repeat, bool cancelOther) {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
if (cell)
{
ai.stack(MWMechanics::AiFollow(target.ptr().getCellRef().getRefId(),
cell->mStore->getCell()->getNameId(), duration, dest.x(), dest.y(), dest.z(), repeat),
ptr, cancelOther);
}
else
{
ai.stack(MWMechanics::AiFollow(
target.ptr().getCellRef().getRefId(), duration, dest.x(), dest.y(), dest.z(), repeat),
ptr, cancelOther);
}
};
selfAPI["_startAiEscort"] = [](SelfObject& self, const LObject& target, LCell cell, float duration,
const osg::Vec3f& dest, bool repeat, bool cancelOther) {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
// TODO: change AiEscort implementation to accept ptr instead of a non-unique refId.
const ESM::RefId& refId = target.ptr().getCellRef().getRefId();
int gameHoursDuration = static_cast<int>(std::ceil(duration / 3600.0));
auto* esmCell = cell.mStore->getCell();
if (esmCell->isExterior())
ai.stack(MWMechanics::AiEscort(refId, gameHoursDuration, dest.x(), dest.y(), dest.z(), repeat), ptr,
cancelOther);
else
ai.stack(MWMechanics::AiEscort(
refId, esmCell->getNameId(), gameHoursDuration, dest.x(), dest.y(), dest.z(), repeat),
ptr, cancelOther);
};
selfAPI["_startAiWander"]
= [](SelfObject& self, int distance, int duration, sol::table luaIdle, bool repeat, bool cancelOther) {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
std::vector<unsigned char> idle;
// Lua index starts at 1
for (size_t i = 1; i <= luaIdle.size(); i++)
idle.emplace_back(luaIdle.get<unsigned char>(i));
ai.stack(MWMechanics::AiWander(distance, duration, 0, idle, repeat), ptr, cancelOther);
};
selfAPI["_startAiTravel"] = [](SelfObject& self, const osg::Vec3f& target, bool repeat, bool cancelOther) {
const MWWorld::Ptr& ptr = self.ptr();
MWMechanics::AiSequence& ai = ptr.getClass().getCreatureStats(ptr).getAiSequence();
ai.stack(MWMechanics::AiTravel(target.x(), target.y(), target.z(), repeat), ptr, cancelOther);
};
selfAPI["_enableLuaAnimations"] = [](SelfObject& self, bool enable) {
const MWWorld::Ptr& ptr = self.ptr();
MWBase::Environment::get().getMechanicsManager()->enableLuaAnimations(ptr, enable);
};
}
LocalScripts::LocalScripts(LuaUtil::LuaState* lua, const LObject& obj)
: LuaUtil::ScriptsContainer(lua, "L" + obj.id().toString())
, mData(obj)
{
this->addPackage("openmw.self", sol::make_object(lua->sol(), &mData));
registerEngineHandlers({ &mOnActiveHandlers, &mOnInactiveHandlers, &mOnConsumeHandlers, &mOnActivatedHandlers,
&mOnTeleportedHandlers, &mOnAnimationTextKeyHandlers, &mOnPlayAnimationHandlers, &mOnSkillUse,
&mOnSkillLevelUp });
}
void LocalScripts::setActive(bool active)
{
mData.mIsActive = active;
if (active)
callEngineHandlers(mOnActiveHandlers);
else
callEngineHandlers(mOnInactiveHandlers);
}
void LocalScripts::applyStatsCache()
{
const auto& ptr = mData.ptr();
for (auto& [stat, value] : mData.mStatsCache)
stat(ptr, value);
mData.mStatsCache.clear();
}
}