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Make sure distance and duration are not negative

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elsid 2025-04-12 17:38:51 +02:00
parent 4a3ffb2073
commit 20bd1491a7
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GPG Key ID: B845CB9FEE18AB40
2 changed files with 10 additions and 13 deletions
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19
apps/openmw/mwmechanics/aiwander.cpp
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@ -46,10 +46,10 @@ namespace MWMechanics
constexpr float idlePositionCheckInterval = 1.5f;
// to prevent overcrowding
constexpr int destinationTolerance = 64;
constexpr unsigned destinationTolerance = 64;
// distance must be long enough that NPC will need to move to get there.
constexpr int minimumWanderDistance = destinationTolerance * 2;
constexpr unsigned minimumWanderDistance = destinationTolerance * 2;
constexpr std::size_t maxIdleSize = 8;
@ -128,8 +128,8 @@ namespace MWMechanics
AiWander::AiWander(int distance, int duration, int timeOfDay, const std::vector<unsigned char>& idle, bool repeat)
: TypedAiPackage<AiWander>(repeat)
, mDistance(std::max(0, distance))
, mDuration(std::max(0, duration))
, mDistance(static_cast<unsigned>(std::max(0, distance)))
, mDuration(static_cast<unsigned>(std::max(0, duration)))
, mRemainingDuration(duration)
, mTimeOfDay(timeOfDay)
, mIdle(getInitialIdle(idle))
@ -259,9 +259,6 @@ namespace MWMechanics
bool AiWander::reactionTimeActions(const MWWorld::Ptr& actor, AiWanderStorage& storage, ESM::Position& pos)
{
if (mDistance <= 0)
storage.mCanWanderAlongPathGrid = false;
if (isPackageCompleted())
{
stopWalking(actor);
@ -915,10 +912,10 @@ namespace MWMechanics
float length = delta.length();
delta.normalize();
int distance = std::max(mDistance / 2, minimumWanderDistance);
unsigned distance = std::max(mDistance / 2, minimumWanderDistance);
// must not travel longer than distance between waypoints or NPC goes past waypoint
distance = std::min(distance, static_cast<int>(length));
distance = std::min(distance, static_cast<unsigned>(length));
delta *= distance;
storage.mAllowedNodes.push_back(PathFinder::makePathgridPoint(vectorStart + delta));
}
@ -970,8 +967,8 @@ namespace MWMechanics
AiWander::AiWander(const ESM::AiSequence::AiWander* wander)
: TypedAiPackage<AiWander>(makeDefaultOptions().withRepeat(wander->mData.mShouldRepeat != 0))
, mDistance(std::max(static_cast<short>(0), wander->mData.mDistance))
, mDuration(std::max(static_cast<short>(0), wander->mData.mDuration))
, mDistance(static_cast<unsigned>(std::max(static_cast<short>(0), wander->mData.mDistance)))
, mDuration(static_cast<unsigned>(std::max(static_cast<short>(0), wander->mData.mDuration)))
, mRemainingDuration(wander->mDurationData.mRemainingDuration)
, mTimeOfDay(wander->mData.mTimeOfDay)
, mIdle(getInitialIdle(wander->mData.mIdle))

4
apps/openmw/mwmechanics/aiwander.hpp
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@ -147,8 +147,8 @@ namespace MWMechanics
void completeManualWalking(const MWWorld::Ptr& actor, AiWanderStorage& storage);
bool isNearAllowedNode(const MWWorld::Ptr& actor, const AiWanderStorage& storage, float distance) const;
const int mDistance; // how far the actor can wander from the spawn point
const int mDuration;
const unsigned mDistance; // how far the actor can wander from the spawn point
const unsigned mDuration;
float mRemainingDuration;
const int mTimeOfDay;
const std::vector<unsigned char> mIdle;