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94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
#include "aitravel.hpp"
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#include <components/esm/aisequence.hpp>
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#include <components/esm/loadcell.hpp>
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#include "../mwbase/world.hpp"
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#include "../mwbase/environment.hpp"
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#include "../mwworld/class.hpp"
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#include "../mwworld/cellstore.hpp"
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#include "steering.hpp"
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#include "movement.hpp"
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#include "creaturestats.hpp"
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namespace
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{
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bool isWithinMaxRange(const osg::Vec3f& pos1, const osg::Vec3f& pos2)
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{
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// Maximum travel distance for vanilla compatibility.
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// Was likely meant to prevent NPCs walking into non-loaded exterior cells, but for some reason is used in interior cells as well.
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// We can make this configurable at some point, but the default *must* be the below value. Anything else will break shoddily-written content (*cough* MW *cough*) in bizarre ways.
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return (pos1 - pos2).length2() <= 7168*7168;
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}
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}
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namespace MWMechanics
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{
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AiTravel::AiTravel(float x, float y, float z)
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: mX(x),mY(y),mZ(z)
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{
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}
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AiTravel::AiTravel(const ESM::AiSequence::AiTravel *travel)
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: mX(travel->mData.mX), mY(travel->mData.mY), mZ(travel->mData.mZ)
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{
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}
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AiTravel *MWMechanics::AiTravel::clone() const
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{
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return new AiTravel(*this);
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}
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bool AiTravel::execute (const MWWorld::Ptr& actor, CharacterController& characterController, AiState& state, float duration)
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{
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ESM::Position pos = actor.getRefData().getPosition();
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actor.getClass().getCreatureStats(actor).setMovementFlag(CreatureStats::Flag_Run, false);
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actor.getClass().getCreatureStats(actor).setDrawState(DrawState_Nothing);
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if (!isWithinMaxRange(osg::Vec3f(mX, mY, mZ), pos.asVec3()))
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return false;
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if (pathTo(actor, ESM::Pathgrid::Point(static_cast<int>(mX), static_cast<int>(mY), static_cast<int>(mZ)), duration))
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{
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actor.getClass().getMovementSettings(actor).mPosition[1] = 0;
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return true;
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}
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return false;
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}
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int AiTravel::getTypeId() const
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{
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return TypeIdTravel;
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}
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void AiTravel::fastForward(const MWWorld::Ptr& actor, AiState& state)
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{
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if (!isWithinMaxRange(osg::Vec3f(mX, mY, mZ), actor.getRefData().getPosition().asVec3()))
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return;
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// does not do any validation on the travel target (whether it's in air, inside collision geometry, etc),
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// that is the user's responsibility
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MWBase::Environment::get().getWorld()->moveObject(actor, mX, mY, mZ);
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actor.getClass().adjustPosition(actor, false);
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}
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void AiTravel::writeState(ESM::AiSequence::AiSequence &sequence) const
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{
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std::auto_ptr<ESM::AiSequence::AiTravel> travel(new ESM::AiSequence::AiTravel());
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travel->mData.mX = mX;
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travel->mData.mY = mY;
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travel->mData.mZ = mZ;
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ESM::AiSequence::AiPackageContainer package;
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package.mType = ESM::AiSequence::Ai_Travel;
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package.mPackage = travel.release();
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sequence.mPackages.push_back(package);
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}
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}
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