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Code Issues Releases Wiki Activity

AI package cleanups

Browse Source
pull/967/head
Allofich 9 years ago
parent 372f2e2f18
commit c2b51112f2
3 changed files with 85 additions and 113 deletions
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3
apps/openmw/mwmechanics/aiescort.cpp
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@ -16,7 +16,6 @@
#include "movement.hpp"
/*
TODO: Test vanilla behavior on passing x0, y0, and z0 with duration of anything including 0.
TODO: Different behavior for AIEscort a d x y z and AIEscortCell a c d x y z.
TODO: Take account for actors being in different cells.
*/
@ -109,7 +108,7 @@ namespace MWMechanics
}
else
{
// Stop moving if the player is to far away
// Stop moving if the player is too far away
MWBase::Environment::get().getMechanicsManager()->playAnimationGroup(actor, "idle3", 0, 1);
actor.getClass().getMovementSettings(actor).mPosition[1] = 0;
mMaxDist = 250;

146
apps/openmw/mwmechanics/aiwander.cpp
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@ -75,6 +75,21 @@ namespace MWMechanics
std::vector<unsigned short> mBadIdles; // Idle animations that when called cause errors
PathFinder mPathFinder;
// do we need to calculate allowed nodes based on mDistance
bool mPopulateAvailableNodes;
// allowed pathgrid nodes based on mDistance from the spawn point
// in local coordinates of mCell
std::vector<ESM::Pathgrid::Point> mAllowedNodes;
ESM::Pathgrid::Point mCurrentNode;
bool mTrimCurrentNode;
ObstacleCheck mObstacleCheck;
float mDoorCheckDuration;
int mStuckCount;
AiWanderStorage():
mTargetAngleRadians(0),
@ -87,7 +102,12 @@ namespace MWMechanics
mIsWanderingManually(false),
mCanWanderAlongPathGrid(true),
mIdleAnimation(0),
mBadIdles()
mBadIdles(),
mPopulateAvailableNodes(true),
mAllowedNodes(),
mTrimCurrentNode(false),
mDoorCheckDuration(0), // TODO: maybe no longer needed
mStuckCount(0)
{};
void setState(const AiWander::WanderState wanderState, const bool isManualWander = false) {
@ -108,11 +128,6 @@ namespace MWMechanics
{
// NOTE: mDistance and mDuration must be set already
mStuckCount = 0;// TODO: maybe no longer needed
mDoorCheckDuration = 0;
mTrimCurrentNode = false;
mHasReturnPosition = false;
mReturnPosition = osg::Vec3f(0,0,0);
@ -120,16 +135,6 @@ namespace MWMechanics
mDistance = 0;
if(mDuration < 0)
mDuration = 0;
if(mDuration == 0)
mTimeOfDay = 0;
if(mDuration > 24)
{
mDuration = 24;
mRemainingDuration = (mDuration);
}
mPopulateAvailableNodes = true;
}
AiPackage * MWMechanics::AiWander::clone() const
@ -202,7 +207,7 @@ namespace MWMechanics
if(!currentCell || cellChange)
{
currentCell = actor.getCell();
mPopulateAvailableNodes = true;
storage.mPopulateAvailableNodes = true;
}
mRemainingDuration -= ((duration*MWBase::Environment::get().getWorld()->getTimeScaleFactor()) / 3600);
@ -248,7 +253,7 @@ namespace MWMechanics
}
// Initialization to discover & store allowed node points for this actor.
if (mPopulateAvailableNodes)
if (storage.mPopulateAvailableNodes)
{
getAllowedNodes(actor, currentCell->getCell(), storage);
}
@ -256,19 +261,19 @@ namespace MWMechanics
// Actor becomes stationary - see above URL's for previous research
// If a creature or an NPC with a wander distance and no pathgrid is available,
// randomly idle or wander around near spawn point
if(mAllowedNodes.empty() && mDistance > 0 && !storage.mIsWanderingManually) {
if(storage.mAllowedNodes.empty() && mDistance > 0 && !storage.mIsWanderingManually) {
// Typically want to idle for a short time before the next wander
if (Misc::Rng::rollDice(100) >= 96) {
wanderNearStart(actor, storage, mDistance);
} else {
storage.setState(Wander_IdleNow);
}
} else if (mAllowedNodes.empty() && !storage.mIsWanderingManually) {
} else if (storage.mAllowedNodes.empty() && !storage.mIsWanderingManually) {
storage.mCanWanderAlongPathGrid = false;
}
// If Wandering manually and hit an obstacle, stop
if (storage.mIsWanderingManually && mObstacleCheck.check(actor, duration, 2.0f)) {
if (storage.mIsWanderingManually && storage.mObstacleCheck.check(actor, duration, 2.0f)) {
completeManualWalking(actor, storage);
}
@ -297,7 +302,7 @@ namespace MWMechanics
// Construct a new path if there isn't one
if(!storage.mPathFinder.isPathConstructed())
{
if (!mAllowedNodes.empty())
if (!storage.mAllowedNodes.empty())
{
setPathToAnAllowedNode(actor, storage, pos);
}
@ -314,6 +319,7 @@ namespace MWMechanics
return mRepeat;
}
bool AiWander::isPackageCompleted(const MWWorld::Ptr& actor, AiWanderStorage& storage)
{
if (mDuration)
@ -401,7 +407,7 @@ namespace MWMechanics
void AiWander::completeManualWalking(const MWWorld::Ptr &actor, AiWanderStorage &storage) {
stopWalking(actor, storage);
mObstacleCheck.clear();
storage.mObstacleCheck.clear();
storage.setState(Wander_IdleNow);
}
@ -434,15 +440,15 @@ namespace MWMechanics
void AiWander::onIdleStatePerFrameActions(const MWWorld::Ptr& actor, float duration, AiWanderStorage& storage)
{
// Check if an idle actor is too close to a door - if so start walking
mDoorCheckDuration += duration;
if (mDoorCheckDuration >= DOOR_CHECK_INTERVAL)
storage.mDoorCheckDuration += duration;
if (storage.mDoorCheckDuration >= DOOR_CHECK_INTERVAL)
{
mDoorCheckDuration = 0; // restart timer
storage.mDoorCheckDuration = 0; // restart timer
if (mDistance && // actor is not intended to be stationary
proximityToDoor(actor, MIN_DIST_TO_DOOR_SQUARED*1.6f*1.6f)) // NOTE: checks interior cells only
{
storage.setState(Wander_MoveNow);
mTrimCurrentNode = false; // just in case
storage.mTrimCurrentNode = false; // just in case
return;
}
}
@ -515,15 +521,15 @@ namespace MWMechanics
zTurn(actor, storage.mPathFinder.getZAngleToNext(pos.pos[0], pos.pos[1]));
MWMechanics::Movement& movement = actor.getClass().getMovementSettings(actor);
if (mObstacleCheck.check(actor, duration))
if (storage.mObstacleCheck.check(actor, duration))
{
// first check if we're walking into a door
if (proximityToDoor(actor)) // NOTE: checks interior cells only
{
// remove allowed points then select another random destination
mTrimCurrentNode = true;
trimAllowedNodes(mAllowedNodes, storage.mPathFinder);
mObstacleCheck.clear();
storage.mTrimCurrentNode = true;
trimAllowedNodes(storage.mAllowedNodes, storage.mPathFinder);
storage.mObstacleCheck.clear();
storage.mPathFinder.clearPath();
storage.setState(Wander_MoveNow);
}
@ -531,9 +537,9 @@ namespace MWMechanics
{
// TODO: diagonal should have same animation as walk forward
// but doesn't seem to do that?
mObstacleCheck.takeEvasiveAction(movement);
storage.mObstacleCheck.takeEvasiveAction(movement);
}
mStuckCount++; // TODO: maybe no longer needed
storage.mStuckCount++; // TODO: maybe no longer needed
}
else
{
@ -541,14 +547,14 @@ namespace MWMechanics
}
// if stuck for sufficiently long, act like current location was the destination
if (mStuckCount >= COUNT_BEFORE_RESET) // something has gone wrong, reset
if (storage.mStuckCount >= COUNT_BEFORE_RESET) // something has gone wrong, reset
{
//std::cout << "Reset \""<< cls.getName(actor) << "\"" << std::endl;
mObstacleCheck.clear();
storage.mObstacleCheck.clear();
stopWalking(actor, storage);
storage.setState(Wander_ChooseAction);
mStuckCount = 0;
storage.mStuckCount = 0;
}
}
@ -621,7 +627,7 @@ namespace MWMechanics
if (storage.mState == Wander_Walking)
{
stopWalking(actor, storage);
mObstacleCheck.clear();
storage.mObstacleCheck.clear();
storage.setState(Wander_IdleNow);
}
@ -653,8 +659,8 @@ namespace MWMechanics
void AiWander::setPathToAnAllowedNode(const MWWorld::Ptr& actor, AiWanderStorage& storage, const ESM::Position& actorPos)
{
unsigned int randNode = Misc::Rng::rollDice(mAllowedNodes.size());
ESM::Pathgrid::Point dest(mAllowedNodes[randNode]);
unsigned int randNode = Misc::Rng::rollDice(storage.mAllowedNodes.size());
ESM::Pathgrid::Point dest(storage.mAllowedNodes[randNode]);
ToWorldCoordinates(dest, storage.mCell->getCell());
// actor position is already in world co-ordinates
@ -666,20 +672,20 @@ namespace MWMechanics
if (storage.mPathFinder.isPathConstructed())
{
// Remove this node as an option and add back the previously used node (stops NPC from picking the same node):
ESM::Pathgrid::Point temp = mAllowedNodes[randNode];
mAllowedNodes.erase(mAllowedNodes.begin() + randNode);
ESM::Pathgrid::Point temp = storage.mAllowedNodes[randNode];
storage.mAllowedNodes.erase(storage.mAllowedNodes.begin() + randNode);
// check if mCurrentNode was taken out of mAllowedNodes
if (mTrimCurrentNode && mAllowedNodes.size() > 1)
mTrimCurrentNode = false;
if (storage.mTrimCurrentNode && storage.mAllowedNodes.size() > 1)
storage.mTrimCurrentNode = false;
else
mAllowedNodes.push_back(mCurrentNode);
mCurrentNode = temp;
storage.mAllowedNodes.push_back(storage.mCurrentNode);
storage.mCurrentNode = temp;
storage.setState(Wander_Walking);
}
// Choose a different node and delete this one from possible nodes because it is uncreachable:
else
mAllowedNodes.erase(mAllowedNodes.begin() + randNode);
storage.mAllowedNodes.erase(storage.mAllowedNodes.begin() + randNode);
}
void AiWander::ToWorldCoordinates(ESM::Pathgrid::Point& point, const ESM::Cell * cell)
@ -788,17 +794,17 @@ namespace MWMechanics
if (mDistance == 0)
return;
if (mPopulateAvailableNodes)
getAllowedNodes(actor, actor.getCell()->getCell(), state.get<AiWanderStorage>());
AiWanderStorage& storage = state.get<AiWanderStorage>();
if (storage.mPopulateAvailableNodes)
getAllowedNodes(actor, actor.getCell()->getCell(), storage);
if (mAllowedNodes.empty())
if (storage.mAllowedNodes.empty())
return;
int index = Misc::Rng::rollDice(storage.mAllowedNodes.size());
ESM::Pathgrid::Point dest = storage.mAllowedNodes[index];
state.moveIn(new AiWanderStorage());
int index = Misc::Rng::rollDice(mAllowedNodes.size());
ESM::Pathgrid::Point dest = mAllowedNodes[index];
dest.mX += OffsetToPreventOvercrowding();
dest.mY += OffsetToPreventOvercrowding();
ToWorldCoordinates(dest, actor.getCell()->getCell());
@ -808,7 +814,7 @@ namespace MWMechanics
actor.getClass().adjustPosition(actor, false);
// may have changed cell
mPopulateAvailableNodes = true;
storage.mPopulateAvailableNodes = true;
}
int AiWander::OffsetToPreventOvercrowding()
@ -823,7 +829,7 @@ namespace MWMechanics
pathgrid = MWBase::Environment::get().getWorld()->getStore().get<ESM::Pathgrid>().search(*cell);
const MWWorld::CellStore* cellStore = actor.getCell();
mAllowedNodes.clear();
storage.mAllowedNodes.clear();
// If there is no path this actor doesn't go anywhere. See:
// https://forum.openmw.org/viewtopic.php?t=1556
@ -856,40 +862,40 @@ namespace MWMechanics
if((npcPos - nodePos).length2() <= mDistance * mDistance &&
cellStore->isPointConnected(closestPointIndex, counter))
{
mAllowedNodes.push_back(pathgrid->mPoints[counter]);
storage.mAllowedNodes.push_back(pathgrid->mPoints[counter]);
pointIndex = counter;
}
}
if (mAllowedNodes.size() == 1)
if (storage.mAllowedNodes.size() == 1)
{
AddNonPathGridAllowedPoints(npcPos, pathgrid, pointIndex);
AddNonPathGridAllowedPoints(npcPos, pathgrid, pointIndex, storage);
}
if(!mAllowedNodes.empty())
if(!storage.mAllowedNodes.empty())
{
SetCurrentNodeToClosestAllowedNode(npcPos);
SetCurrentNodeToClosestAllowedNode(npcPos, storage);
}
}
mPopulateAvailableNodes = false;
storage.mPopulateAvailableNodes = false;
}
// When only one path grid point in wander distance,
// additional points for NPC to wander to are:
// 1. NPC's initial location
// 2. Partway along the path between the point and its connected points.
void AiWander::AddNonPathGridAllowedPoints(osg::Vec3f npcPos, const ESM::Pathgrid * pathGrid, int pointIndex)
void AiWander::AddNonPathGridAllowedPoints(osg::Vec3f npcPos, const ESM::Pathgrid * pathGrid, int pointIndex, AiWanderStorage& storage)
{
mAllowedNodes.push_back(PathFinder::MakePathgridPoint(npcPos));
storage.mAllowedNodes.push_back(PathFinder::MakePathgridPoint(npcPos));
for (std::vector<ESM::Pathgrid::Edge>::const_iterator it = pathGrid->mEdges.begin(); it != pathGrid->mEdges.end(); ++it)
{
if (it->mV0 == pointIndex)
{
AddPointBetweenPathGridPoints(pathGrid->mPoints[it->mV0], pathGrid->mPoints[it->mV1]);
AddPointBetweenPathGridPoints(pathGrid->mPoints[it->mV0], pathGrid->mPoints[it->mV1], storage);
}
}
}
void AiWander::AddPointBetweenPathGridPoints(const ESM::Pathgrid::Point& start, const ESM::Pathgrid::Point& end)
void AiWander::AddPointBetweenPathGridPoints(const ESM::Pathgrid::Point& start, const ESM::Pathgrid::Point& end, AiWanderStorage& storage)
{
osg::Vec3f vectorStart = PathFinder::MakeOsgVec3(start);
osg::Vec3f delta = PathFinder::MakeOsgVec3(end) - vectorStart;
@ -901,16 +907,16 @@ namespace MWMechanics
// must not travel longer than distance between waypoints or NPC goes past waypoint
distance = std::min(distance, static_cast<int>(length));
delta *= distance;
mAllowedNodes.push_back(PathFinder::MakePathgridPoint(vectorStart + delta));
storage.mAllowedNodes.push_back(PathFinder::MakePathgridPoint(vectorStart + delta));
}
void AiWander::SetCurrentNodeToClosestAllowedNode(osg::Vec3f npcPos)
void AiWander::SetCurrentNodeToClosestAllowedNode(osg::Vec3f npcPos, AiWanderStorage& storage)
{
float distanceToClosestNode = std::numeric_limits<float>::max();
unsigned int index = 0;
for (unsigned int counterThree = 0; counterThree < mAllowedNodes.size(); counterThree++)
for (unsigned int counterThree = 0; counterThree < storage.mAllowedNodes.size(); counterThree++)
{
osg::Vec3f nodePos(PathFinder::MakeOsgVec3(mAllowedNodes[counterThree]));
osg::Vec3f nodePos(PathFinder::MakeOsgVec3(storage.mAllowedNodes[counterThree]));
float tempDist = (npcPos - nodePos).length2();
if (tempDist < distanceToClosestNode)
{
@ -918,8 +924,8 @@ namespace MWMechanics
distanceToClosestNode = tempDist;
}
}
mCurrentNode = mAllowedNodes[index];
mAllowedNodes.erase(mAllowedNodes.begin() + index);
storage.mCurrentNode = storage.mAllowedNodes[index];
storage.mAllowedNodes.erase(storage.mAllowedNodes.begin() + index);
}
void AiWander::writeState(ESM::AiSequence::AiSequence &sequence) const

49
apps/openmw/mwmechanics/aiwander.hpp
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@ -10,7 +10,6 @@
#include "../mwworld/timestamp.hpp"
#include "aistate.hpp"
namespace ESM
@ -23,9 +22,7 @@ namespace ESM
}
namespace MWMechanics
{
{
struct AiWanderStorage;
/// \brief Causes the Actor to wander within a specified range
@ -42,8 +39,6 @@ namespace MWMechanics
AiWander (const ESM::AiSequence::AiWander* wander);
virtual AiPackage *clone() const;
virtual bool execute (const MWWorld::Ptr& actor, CharacterController& characterController, AiState& state, float duration);
@ -72,10 +67,10 @@ namespace MWMechanics
Wander_MoveNow,
Wander_Walking
};
private:
// NOTE: mDistance and mDuration must be set already
void init();
void stopWalking(const MWWorld::Ptr& actor, AiWanderStorage& storage);
/// Have the given actor play an idle animation
@ -107,42 +102,16 @@ namespace MWMechanics
int mTimeOfDay;
std::vector<unsigned char> mIdle;
bool mRepeat;
bool mHasReturnPosition; // NOTE: Could be removed if mReturnPosition was initialized to actor position,
// if we had the actor in the AiWander constructor...
osg::Vec3f mReturnPosition;
osg::Vec3f mInitialActorPosition;
bool mStoredInitialActorPosition;
// do we need to calculate allowed nodes based on mDistance
bool mPopulateAvailableNodes;
// allowed pathgrid nodes based on mDistance from the spawn point
// in local coordinates of mCell
// FIXME: move to AiWanderStorage
std::vector<ESM::Pathgrid::Point> mAllowedNodes;
void getAllowedNodes(const MWWorld::Ptr& actor, const ESM::Cell* cell, AiWanderStorage& storage);
// FIXME: move to AiWanderStorage
ESM::Pathgrid::Point mCurrentNode;
bool mTrimCurrentNode;
void trimAllowedNodes(std::vector<ESM::Pathgrid::Point>& nodes,
const PathFinder& pathfinder);
// FIXME: move to AiWanderStorage
// ObstacleCheck mObstacleCheck;
float mDoorCheckDuration;
int mStuckCount;
void trimAllowedNodes(std::vector<ESM::Pathgrid::Point>& nodes, const PathFinder& pathfinder);
// constants for converting idleSelect values into groupNames
enum GroupIndex
@ -154,19 +123,17 @@ namespace MWMechanics
/// convert point from local (i.e. cell) to world co-ordinates
void ToWorldCoordinates(ESM::Pathgrid::Point& point, const ESM::Cell * cell);
void SetCurrentNodeToClosestAllowedNode(osg::Vec3f npcPos);
void SetCurrentNodeToClosestAllowedNode(osg::Vec3f npcPos, AiWanderStorage& storage);
void AddNonPathGridAllowedPoints(osg::Vec3f npcPos, const ESM::Pathgrid * pathGrid, int pointIndex);
void AddNonPathGridAllowedPoints(osg::Vec3f npcPos, const ESM::Pathgrid * pathGrid, int pointIndex, AiWanderStorage& storage);
void AddPointBetweenPathGridPoints(const ESM::Pathgrid::Point& start, const ESM::Pathgrid::Point& end);
void AddPointBetweenPathGridPoints(const ESM::Pathgrid::Point& start, const ESM::Pathgrid::Point& end, AiWanderStorage& storage);
/// lookup table for converting idleSelect value to groupName
static const std::string sIdleSelectToGroupName[GroupIndex_MaxIdle - GroupIndex_MinIdle + 1];
static int OffsetToPreventOvercrowding();
};
};
}
#endif

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