Method GetFormationAbsolute

engine/Poseidon/AI/AIUnit.cpp:1592–1616

        case AI::PosFlankRight:
            offset[0] += sizeX * coef;
            break;
    }
    return _formationPos + offset;
}

Vector3 AIUnit::GetFormationAbsolute(AIUnit* leader) const
{
    // absolute formation position
    // suppose leader is formation leader
    EntityAI* lVehicle = leader->GetVehicle();

    AISubgroup* subgrp = leader->GetSubgroup();
    Matrix4 transform;
    Vector3Val formDir = subgrp->GetFormationDirection();
    transform.SetDirectionAndUp(formDir, VUp);
    transform.SetPosition(lVehicle->Position());

    Vector3 pos = transform.FastTransform(GetFormationRelative() - leader->GetFormationRelative());
    if (GetVehicle()->GetType()->GetKind() != VAir)
    {
        // absolute formation position
        pos[1] = GLandscape->SurfaceYAboveWater(pos[0], pos[2]);
    }
    else
    {
        float landY = GLandscape->SurfaceYAboveWater(pos[0], pos[2]);
        saturateMax(pos[1], landY + 25);
    }