DynamicMapTree Class Reference

#include "DynamicTree.h"

Public Member Functions
	DynamicMapTree ()
	~DynamicMapTree ()
bool	isInLineOfSight (float x1, float y1, float z1, float x2, float y2, float z2, uint32 phasemask, VMAP::ModelIgnoreFlags ignoreFlags) const
bool	GetIntersectionTime (uint32 phasemask, const G3D::Ray &ray, const G3D::Vector3 &endPos, float &maxDist) const
bool	GetAreaAndLiquidData (float x, float y, float z, uint32 phasemask, Optional< uint8 > reqLiquidType, VMAP::AreaAndLiquidData &data) const
bool	GetObjectHitPos (uint32 phasemask, const G3D::Vector3 &pPos1, const G3D::Vector3 &pPos2, G3D::Vector3 &pResultHitPos, float pModifyDist) const
float	getHeight (float x, float y, float z, float maxSearchDist, uint32 phasemask) const
void	insert (const GameObjectModel &)
void	remove (const GameObjectModel &)
bool	contains (const GameObjectModel &) const
int	size () const
void	balance ()
void	update (uint32 diff)

Private Attributes
DynTreeImpl *	impl

Detailed Description

Constructor & Destructor Documentation

DynamicMapTree()

DynamicMapTree::DynamicMapTree

(

)

: impl(new DynTreeImpl()) { }

~DynamicMapTree()

DynamicMapTree::~DynamicMapTree

(

)

{
    delete impl;
}

References impl.

Member Function Documentation

balance()

void DynamicMapTree::balance

(

)

{
    impl->balance();
}

References DynTreeImpl::balance(), and impl.

Referenced by Map::Balance().

contains()

bool DynamicMapTree::contains

(

const GameObjectModel &

mdl

)

const

{
    return impl->contains(mdl);
}

References RegularGrid2D< T, Node, NodeCreatorFunc, PositionFunc >::contains(), and impl.

Referenced by Map::ContainsGameObjectModel().

GetAreaAndLiquidData()

bool DynamicMapTree::GetAreaAndLiquidData	(	float	x,
		float	y,
		float	z,
		uint32	phasemask,
		Optional< uint8 >	reqLiquidType,
		VMAP::AreaAndLiquidData &	data
	)		const

{
    G3D::Vector3 v(x, y, z + 0.5f);
    DynamicTreeLocationInfoCallback intersectionCallBack(phasemask);
    impl->intersectPoint(v, intersectionCallBack);
    if (intersectionCallBack.GetLocationInfo().hitModel)
    {
        data.floorZ = intersectionCallBack.GetLocationInfo().ground_Z;
        uint32 liquidType = intersectionCallBack.GetLocationInfo().hitModel->GetLiquidType();
        float liquidLevel;
        if (!reqLiquidType || (dynamic_cast<VMAP::VMapMgr2*>(VMAP::VMapFactory::createOrGetVMapMgr())->GetLiquidFlagsPtr(liquidType) & *reqLiquidType))
            if (intersectionCallBack.GetHitModel()->GetLiquidLevel(v, intersectionCallBack.GetLocationInfo(), liquidLevel))
                data.liquidInfo.emplace(liquidType, liquidLevel);
 
        data.areaInfo.emplace(intersectionCallBack.GetLocationInfo().hitModel->GetWmoID(),
            0,
            intersectionCallBack.GetLocationInfo().rootId,
            intersectionCallBack.GetLocationInfo().hitModel->GetMogpFlags(),
            0);
        return true;
    }
    return false;
}

References VMAP::AreaAndLiquidData::areaInfo, VMAP::VMapFactory::createOrGetVMapMgr(), VMAP::AreaAndLiquidData::floorZ, DynamicTreeLocationInfoCallback::GetHitModel(), GameObjectModel::GetLiquidLevel(), VMAP::GroupModel::GetLiquidType(), DynamicTreeLocationInfoCallback::GetLocationInfo(), VMAP::GroupModel::GetMogpFlags(), VMAP::GroupModel::GetWmoID(), VMAP::LocationInfo::ground_Z, VMAP::LocationInfo::hitModel, impl, RegularGrid2D< T, Node, NodeCreatorFunc, PositionFunc >::intersectPoint(), VMAP::AreaAndLiquidData::liquidInfo, and VMAP::LocationInfo::rootId.

Referenced by Map::GetAreaInfo().

getHeight()

float DynamicMapTree::getHeight	(	float	x,
		float	y,
		float	z,
		float	maxSearchDist,
		uint32	phasemask
	)		const

{
    G3D::Vector3 v(x, y, z);
    G3D::Ray r(v, G3D::Vector3(0, 0, -1));
    DynamicTreeIntersectionCallback callback(phasemask, VMAP::ModelIgnoreFlags::Nothing);
    impl->intersectZAllignedRay(r, callback, maxSearchDist);
 
    if (callback.didHit())
    {
        return v.z - maxSearchDist;
    }
    else
    {
        return -G3D::finf();
    }
}

References DynamicTreeIntersectionCallback::didHit(), impl, RegularGrid2D< T, Node, NodeCreatorFunc, PositionFunc >::intersectZAllignedRay(), and VMAP::Nothing.

Referenced by BattlegroundRV::CheckPositionForUnit(), Map::GetGameObjectFloor(), and Map::GetHeight().

GetIntersectionTime()

bool DynamicMapTree::GetIntersectionTime	(	uint32	phasemask,
		const G3D::Ray &	ray,
		const G3D::Vector3 &	endPos,
		float &	maxDist
	)		const

{
    float distance = maxDist;
    DynamicTreeIntersectionCallback callback(phasemask, VMAP::ModelIgnoreFlags::Nothing);
    impl->intersectRay(ray, callback, distance, endPos, false);
    if (callback.didHit())
    {
        maxDist = distance;
    }
    return callback.didHit();
}

References DynamicTreeIntersectionCallback::didHit(), impl, RegularGrid2D< T, Node, NodeCreatorFunc, PositionFunc >::intersectRay(), and VMAP::Nothing.

Referenced by GetObjectHitPos().

GetObjectHitPos()

bool DynamicMapTree::GetObjectHitPos	(	uint32	phasemask,
		const G3D::Vector3 &	pPos1,
		const G3D::Vector3 &	pPos2,
		G3D::Vector3 &	pResultHitPos,
		float	pModifyDist
	)		const

{
    bool result = false;
    float maxDist = (endPos - startPos).magnitude();
    // valid map coords should *never ever* produce float overflow, but this would produce NaNs too
    ASSERT(maxDist < std::numeric_limits<float>::max());
    // prevent NaN values which can cause BIH intersection to enter infinite loop
    if (maxDist < 1e-10f)
    {
        resultHit = endPos;
        return false;
    }
    G3D::Vector3 dir = (endPos - startPos) / maxDist;            // direction with length of 1
    G3D::Ray ray(startPos, dir);
    float dist = maxDist;
    if (GetIntersectionTime(phasemask, ray, endPos, dist))
    {
        resultHit = startPos + dir * dist;
        if (modifyDist < 0)
        {
            if ((resultHit - startPos).magnitude() > -modifyDist)
            {
                resultHit = resultHit + dir * modifyDist;
            }
            else
            {
                resultHit = startPos;
            }
        }
        else
        {
            resultHit = resultHit + dir * modifyDist;
        }
 
        result = true;
    }
    else
    {
        resultHit = endPos;
        result = false;
    }
    return result;
}

References ASSERT, and GetIntersectionTime().

Referenced by Map::GetObjectHitPos().

insert()

void DynamicMapTree::insert

(

const GameObjectModel &

mdl

)

{
    impl->insert(mdl);
}

References impl, and DynTreeImpl::insert().

Referenced by Map::InsertGameObjectModel().

isInLineOfSight()

bool DynamicMapTree::isInLineOfSight	(	float	x1,
		float	y1,
		float	z1,
		float	x2,
		float	y2,
		float	z2,
		uint32	phasemask,
		VMAP::ModelIgnoreFlags	ignoreFlags
	)		const

{
    G3D::Vector3 v1(x1, y1, z1), v2(x2, y2, z2);
 
    float maxDist = (v2 - v1).magnitude();
 
    if (!G3D::fuzzyGt(maxDist, 0))
    {
        return true;
    }
 
    G3D::Ray r(v1, (v2 - v1) / maxDist);
    DynamicTreeIntersectionCallback callback(phasemask, ignoreFlags);
    impl->intersectRay(r, callback, maxDist, v2, true);
 
    return !callback.didHit();
}

References DynamicTreeIntersectionCallback::didHit(), impl, and RegularGrid2D< T, Node, NodeCreatorFunc, PositionFunc >::intersectRay().

Referenced by Map::isInLineOfSight().

remove()

void DynamicMapTree::remove

(

const GameObjectModel &

mdl

)

{
    impl->remove(mdl);
}

References impl, and DynTreeImpl::remove().

Referenced by Map::RemoveGameObjectModel().

size()

int DynamicMapTree::size

(

)

const

{
    return impl->size();
}

References impl, and RegularGrid2D< T, Node, NodeCreatorFunc, PositionFunc >::size().

update()

void DynamicMapTree::update

(

uint32

diff

)

{
    impl->update(t_diff);
}

References impl, and DynTreeImpl::update().

Referenced by Map::Update().

Member Data Documentation

impl

DynTreeImpl* DynamicMapTree::impl

private

Referenced by balance(), contains(), GetAreaAndLiquidData(), getHeight(), GetIntersectionTime(), insert(), isInLineOfSight(), remove(), size(), update(), and ~DynamicMapTree().

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The documentation for this class was generated from the following files:

• azerothcore-wotlk/src/common/Collision/DynamicTree.h
• azerothcore-wotlk/src/common/Collision/DynamicTree.cpp