LTBOOL AISpatialNeighbor::Init(AISpatialRepresentation* pThis, AISpatialRepresentation* pNeighbor)
{
m_pVolume = pNeighbor;
// Compute the 2d intersection of the two volumes, and compute important
// things about the geometry of the connection
LTVector vFrontLeft(0,0,0);
LTVector vFrontRight(0,0,0);
LTVector vBackLeft(0,0,0);
LTVector vBackRight(0,0,0);
vFrontLeft.x = Max<LTFLOAT>(pThis->GetFrontTopLeft().x, pNeighbor->GetFrontTopLeft().x);
vFrontLeft.z = Min<LTFLOAT>(pThis->GetFrontTopLeft().z, pNeighbor->GetFrontTopLeft().z);
vFrontRight.x = Min<LTFLOAT>(pThis->GetFrontTopRight().x, pNeighbor->GetFrontTopRight().x);
vFrontRight.z = Min<LTFLOAT>(pThis->GetFrontTopRight().z, pNeighbor->GetFrontTopRight().z);
vBackLeft.x = Max<LTFLOAT>(pThis->GetBackTopLeft().x, pNeighbor->GetBackTopLeft().x);
vBackLeft.z = Max<LTFLOAT>(pThis->GetBackTopLeft().z, pNeighbor->GetBackTopLeft().z);
vBackRight.x = Min<LTFLOAT>(pThis->GetBackTopRight().x, pNeighbor->GetBackTopRight().x);
vBackRight.z = Max<LTFLOAT>(pThis->GetBackTopRight().z, pNeighbor->GetBackTopRight().z);
// We know connection position (the center of the intersection) easily.
m_vConnectionPos = (vFrontLeft+vFrontRight+vBackLeft+vBackRight)/4.0f;
// We need y for vertical movement
#define _A_b pThis->GetFrontBottomRight().y
#define _A_t pThis->GetFrontTopRight().y
#define _B_b pNeighbor->GetFrontBottomRight().y
#define _B_t pNeighbor->GetFrontTopRight().y
if ( (_A_t >= _B_t) && (_A_t >= _B_b) && (_A_b >= _B_t) && (_A_b >= _B_b) )
{
m_vConnectionPos.y = _A_b; // or _B_t
}
else if ( (_A_t <= _B_t) && (_A_t <= _B_b) && (_A_b <= _B_t) && (_A_b <= _B_b) )
{
m_vConnectionPos.y = _A_t; // or _B_b
}
else if ( (_A_t >= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b >= _B_b) )
{
m_vConnectionPos.y = (_A_b + _B_t)/2.0f;
}
else if ( (_A_t <= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b <= _B_b) )
{
m_vConnectionPos.y = (_A_t + _B_b)/2.0f;
}
else if ( (_A_t >= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b <= _B_b) )
{
m_vConnectionPos.y = (_B_b + _B_t)/2.0f;
}
else if ( (_A_t <= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b >= _B_b) )
{
m_vConnectionPos.y = (_A_b + _A_t)/2.0f;
}
else
{
m_vConnectionPos.y = -float(INT_MAX);
DANGER(g_pLTServer, blong);
}
// Find the endpoints of the line across the connection, and the vector perpendicular to this
if ( pThis->InsideMasked(pNeighbor->GetFrontTopLeft(), eAxisAll) || pThis->InsideMasked(pNeighbor->GetBackTopRight(), eAxisAll) ||
pThis->InsideMasked(pNeighbor->GetFrontBottomLeft(), eAxisAll) || pThis->InsideMasked(pNeighbor->GetBackBottomRight(), eAxisAll) )
{
m_avConnectionEndpoints[0] = vFrontRight + LTVector(0, m_vConnectionPos.y, 0);
m_avConnectionEndpoints[1] = vBackLeft + LTVector(0, m_vConnectionPos.y, 0);
m_vConnectionPerpDir = vFrontRight - vBackLeft;
m_vConnectionDir = m_avConnectionEndpoints[1] - m_avConnectionEndpoints[0];
m_vConnectionDir.y = 0.0f;
m_fConnectionLength = VEC_MAG(m_vConnectionDir);
m_vConnectionDir.Normalize();
}
else
{
m_avConnectionEndpoints[0] = vFrontLeft + LTVector(0, m_vConnectionPos.y, 0);
m_avConnectionEndpoints[1] = vBackRight + LTVector(0, m_vConnectionPos.y, 0);
m_vConnectionPerpDir = vFrontLeft - vBackRight;
m_vConnectionDir = m_avConnectionEndpoints[1] - m_avConnectionEndpoints[0];
m_vConnectionDir.y = 0.0f;
m_fConnectionLength = VEC_MAG(m_vConnectionDir);
m_vConnectionDir.Normalize();
}
m_vConnectionMidpoint = m_avConnectionEndpoints[0] + ( m_vConnectionDir * ( m_fConnectionLength * 0.5f ) );
LTFLOAT fTemp = m_vConnectionPerpDir[0];
m_vConnectionPerpDir[0] = m_vConnectionPerpDir[2];
m_vConnectionPerpDir[2] = fTemp;
m_vConnectionPerpDir.Normalize();
// Ensure that perp dir is axis-aligned.
RoundVector( m_vConnectionPerpDir );
// Make sure it points into this volume
LTVector vThisCenter = (pThis->GetFrontTopLeft()+pThis->GetBackTopRight())/2.0f;
LTVector vThisCenterDir = vThisCenter - m_vConnectionPos;
vThisCenterDir.y = 0;
vThisCenterDir.Normalize();
if ( vThisCenterDir.Dot(m_vConnectionPerpDir) < 0.0f )
{
m_vConnectionPerpDir = -m_vConnectionPerpDir;
}
m_cGates = (uint32)(m_fConnectionLength/48.0f);
// Check for invalid neighbors.
if(m_cGates == 0)
{
AIError("Volume has Invalid Neighbor %s -> %s. Connection < 48 units!",
pThis->GetName(), pNeighbor->GetName() );
return LTFALSE;
}
m_vecfGateOccupancy.resize(m_cGates);
for ( uint32 iGate = 0 ; iGate < m_cGates ; iGate++ )
{
m_vecfGateOccupancy[iGate] = 0.0f;
}
if( m_avConnectionEndpoints[0].z == m_avConnectionEndpoints[1].z )
{
m_eVolumeConnectionType = eVolumeConnectionTypeHorizontal;
if( m_pVolume->GetCenter().z < m_vConnectionPos.z )
{
m_eVolumeConnectionLocation = eVolumeConnectionLocationFront;
}
else {
m_eVolumeConnectionLocation = eVolumeConnectionLocationBack;
}
}
else
{
m_eVolumeConnectionType = eVolumeConnectionTypeVertical;
if( m_pVolume->GetCenter().x < m_vConnectionPos.x )
{
m_eVolumeConnectionLocation = eVolumeConnectionLocationRight;
}
else {
m_eVolumeConnectionLocation = eVolumeConnectionLocationLeft;
}
}
//g_pLTServer->CPrint("cxn @ %f,%f,%f in %f,%f,%f : %f,%f,%f",
// EXPANDVEC(m_vConnectionPos), EXPANDVEC(vThisCenter), EXPANDVEC(m_vConnectionPerpDir));
return LTTRUE;
}
void CAIVolumeNeighbor::Init(CAIVolume* pThis, CAIVolume* pNeighbor)
{
m_iVolume = pNeighbor->GetIndex();
// Compute the 2d intersection of the two volumes, and compute important
// things about the geometry of the connection
LTVector vFrontLeft(0,0,0);
LTVector vFrontRight(0,0,0);
LTVector vBackLeft(0,0,0);
LTVector vBackRight(0,0,0);
vFrontLeft.x = Max<LTFLOAT>(pThis->GetFrontTopLeft().x, pNeighbor->GetFrontTopLeft().x);
vFrontLeft.z = Min<LTFLOAT>(pThis->GetFrontTopLeft().z, pNeighbor->GetFrontTopLeft().z);
vFrontRight.x = Min<LTFLOAT>(pThis->GetFrontTopRight().x, pNeighbor->GetFrontTopRight().x);
vFrontRight.z = Min<LTFLOAT>(pThis->GetFrontTopRight().z, pNeighbor->GetFrontTopRight().z);
vBackLeft.x = Max<LTFLOAT>(pThis->GetBackTopLeft().x, pNeighbor->GetBackTopLeft().x);
vBackLeft.z = Max<LTFLOAT>(pThis->GetBackTopLeft().z, pNeighbor->GetBackTopLeft().z);
vBackRight.x = Min<LTFLOAT>(pThis->GetBackTopRight().x, pNeighbor->GetBackTopRight().x);
vBackRight.z = Max<LTFLOAT>(pThis->GetBackTopRight().z, pNeighbor->GetBackTopRight().z);
// We know connection position (the center of the intersection) easily.
m_vConnectionPos = (vFrontLeft+vFrontRight+vBackLeft+vBackRight)/4.0f;
// We need y for vertical movement
#define _A_b pThis->GetFrontBottomRight().y
#define _A_t pThis->GetFrontTopRight().y
#define _B_b pNeighbor->GetFrontBottomRight().y
#define _B_t pNeighbor->GetFrontTopRight().y
if ( (_A_t >= _B_t) && (_A_t >= _B_b) && (_A_b >= _B_t) && (_A_b >= _B_b) )
{
m_vConnectionPos.y = _A_b; // or _B_t
}
else if ( (_A_t <= _B_t) && (_A_t <= _B_b) && (_A_b <= _B_t) && (_A_b <= _B_b) )
{
m_vConnectionPos.y = _A_t; // or _B_b
}
else if ( (_A_t >= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b >= _B_b) )
{
m_vConnectionPos.y = (_A_b + _B_t)/2.0f;
}
else if ( (_A_t <= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b <= _B_b) )
{
m_vConnectionPos.y = (_A_t + _B_b)/2.0f;
}
else if ( (_A_t >= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b <= _B_b) )
{
m_vConnectionPos.y = (_B_b + _B_t)/2.0f;
}
else if ( (_A_t <= _B_t) && (_A_t >= _B_b) && (_A_b <= _B_t) && (_A_b >= _B_b) )
{
m_vConnectionPos.y = (_A_b + _A_t)/2.0f;
}
else
{
m_vConnectionPos.y = -float(INT_MAX);
DANGER(g_pLTServer, blong);
}
// Find the endpoints of the line across the connection, and the vector perpendicular to this
if ( pThis->Inside(pNeighbor->GetFrontTopLeft()) || pThis->Inside(pNeighbor->GetBackTopRight()) ||
pThis->Inside(pNeighbor->GetFrontBottomLeft()) || pThis->Inside(pNeighbor->GetBackBottomRight()) )
{
m_avConnectionEndpoints[0] = vFrontRight + LTVector(0, m_vConnectionPos.y, 0);
m_avConnectionEndpoints[1] = vBackLeft + LTVector(0, m_vConnectionPos.y, 0);
m_vConnectionPerpDir = vFrontRight - vBackLeft;
m_vConnectionDir = m_avConnectionEndpoints[1] - m_avConnectionEndpoints[0];
m_vConnectionDir.y = 0.0f;
m_fConnectionLength = VEC_MAG(m_vConnectionDir);
m_vConnectionDir.Norm();
}
else
{
m_avConnectionEndpoints[0] = vFrontLeft + LTVector(0, m_vConnectionPos.y, 0);
m_avConnectionEndpoints[1] = vBackRight + LTVector(0, m_vConnectionPos.y, 0);
m_vConnectionPerpDir = vFrontLeft - vBackRight;
m_vConnectionDir = m_avConnectionEndpoints[1] - m_avConnectionEndpoints[0];
m_vConnectionDir.y = 0.0f;
m_fConnectionLength = VEC_MAG(m_vConnectionDir);
m_vConnectionDir.Norm();
}
LTFLOAT fTemp = m_vConnectionPerpDir[0];
m_vConnectionPerpDir[0] = m_vConnectionPerpDir[2];
m_vConnectionPerpDir[2] = fTemp;
m_vConnectionPerpDir.Norm();
// Make sure it points into this volume
LTVector vThisCenter = (pThis->GetFrontTopLeft()+pThis->GetBackTopRight())/2.0f;
LTVector vThisCenterDir = vThisCenter - m_vConnectionPos;
vThisCenterDir.y = 0;
vThisCenterDir.Norm();
if ( vThisCenterDir.Dot(m_vConnectionPerpDir) < 0.0f )
{
m_vConnectionPerpDir = -m_vConnectionPerpDir;
}
// g_pLTServer->CPrint("cxn @ %f,%f,%f in %f,%f,%f : %f,%f,%f",
// EXPANDVEC(m_vConnectionPos), EXPANDVEC(vThisCenter), EXPANDVEC(m_vConnectionPerpDir));
}
