orientableroi.cpp

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#include "orientableroi.h"
 
#include "decomp.h"
 
#include <vec.h>
 
DECOMP_SIZE_ASSERT(OrientableROI, 0xdc)
 
// FUNCTION: LEGO1 0x100a4420
OrientableROI::OrientableROI()
{
    FILLVEC3(m_world_bounding_box.Min(), 888888.8);
    FILLVEC3(m_world_bounding_box.Max(), -888888.8);
    ZEROVEC3(m_world_bounding_sphere.Center());
    m_world_bounding_sphere.Radius() = 0.0;
    ZEROVEC3(m_world_velocity);
    IDENTMAT4(m_local2world);
 
    m_parentROI = NULL;
    ToggleUnknown0xd8(TRUE);
}
 
// Maybe an overload based on MxMatrix type
// FUNCTION: LEGO1 0x100a46a0
// FUNCTION: BETA10 0x10165268
void OrientableROI::WrappedSetLocalTransform(const Matrix4& p_transform)
{
    SetLocalTransform(p_transform);
}
 
// FUNCTION: LEGO1 0x100a46b0
void OrientableROI::UpdateTransformationRelativeToParent(const Matrix4& p_transform)
{
    MxMatrix mat;
 
    double local2world[4][4];
    double local2parent[4][4];
    int i, j;
 
    for (i = 0; i < 4; i++) {
        for (j = 0; j < 4; j++) {
            local2world[i][j] = p_transform[i][j];
            local2parent[i][j] = m_local2world[i][j];
        }
    }
 
    double local_inverse[4][4];
    INVERTMAT4d(local_inverse, local2parent);
 
    double parent2world[4][4];
    MXM4(parent2world, local_inverse, local2world);
 
    unsigned int k, l;
    for (k = 0; k < 4; k++) {
        for (l = 0; l < 4; l++) {
            mat[k][l] = parent2world[k][l];
        }
    }
 
    UpdateWorldData(mat);
}
 
// Maybe an overload based on MxMatrix type
// FUNCTION: LEGO1 0x100a5090
void OrientableROI::WrappedVTable0x24(const Matrix4& p_transform)
{
    VTable0x24(p_transform);
}
 
// FUNCTION: LEGO1 0x100a50a0
// FUNCTION: BETA10 0x1016601f
void OrientableROI::GetLocalTransform(Matrix4& p_transform)
{
    MxMatrix mat;
 
    if (m_parentROI != NULL) {
        double local2parent[4][4];
        unsigned int i, j;
 
        for (i = 0; i < 4; i++) {
            for (j = 0; j < 4; j++) {
                local2parent[i][j] = m_parentROI->GetLocal2World()[i][j];
            }
        }
 
        double local_inverse[4][4];
        INVERTMAT4d(local_inverse, local2parent);
 
        for (i = 0; i < 4; i++) {
            for (j = 0; j < 4; j++) {
                mat[i][j] = local_inverse[i][j];
            }
        }
 
        MXM4(p_transform, m_local2world, mat);
    }
    else {
        p_transform = m_local2world;
    }
}
 
// FUNCTION: LEGO1 0x100a58f0
// FUNCTION: BETA10 0x10167b77
void OrientableROI::FUN_100a58f0(const Matrix4& p_transform)
{
    m_local2world = p_transform;
    ToggleUnknown0xd8(TRUE);
}
 
// FUNCTION: LEGO1 0x100a5910
void OrientableROI::VTable0x1c()
{
    UpdateWorldBoundingVolumes();
    UpdateWorldVelocity();
}
 
// FUNCTION: LEGO1 0x100a5930
void OrientableROI::SetLocalTransform(const Matrix4& p_transform)
{
    m_local2world = p_transform;
    UpdateWorldBoundingVolumes();
    UpdateWorldVelocity();
}
 
// FUNCTION: LEGO1 0x100a5960
void OrientableROI::VTable0x24(const Matrix4& p_transform)
{
    MxMatrix l_matrix(m_local2world);
    m_local2world.Product(p_transform, l_matrix);
    UpdateWorldBoundingVolumes();
    UpdateWorldVelocity();
}
 
// FUNCTION: LEGO1 0x100a59b0
void OrientableROI::UpdateWorldData(const Matrix4& p_transform)
{
    MxMatrix l_matrix(m_local2world);
    m_local2world.Product(l_matrix, p_transform);
    UpdateWorldBoundingVolumes();
    UpdateWorldVelocity();
 
    // iterate over comps
    if (comp) {
        for (CompoundObject::iterator iter = comp->begin(); !(iter == comp->end()); iter++) {
            ROI* child = *iter;
            static_cast<OrientableROI*>(child)->UpdateWorldData(p_transform);
        }
    }
}
 
// FUNCTION: LEGO1 0x100a5a30
void OrientableROI::FUN_100a5a30(const Vector3& p_world_velocity)
{
    m_world_velocity = p_world_velocity;
}
 
// FUNCTION: LEGO1 0x100a5a50
void OrientableROI::UpdateWorldVelocity()
{
}
 
// FUNCTION: LEGO1 0x100a5a60
void CalcWorldBoundingVolumes(
    const BoundingSphere& modelling_sphere,
    const Matrix4& local2world,
    BoundingBox& world_bounding_box,
    BoundingSphere& world_bounding_sphere
)
{
    // calculate world bounding volumes given a bounding sphere in modelling
    // space and local2world transform
 
    // ??? we need to transform the radius too... if scaling...
 
    V3XM4(world_bounding_sphere.Center(), modelling_sphere.Center(), local2world);
 
    world_bounding_sphere.Radius() = modelling_sphere.Radius();
 
    // update world_bounding_box
    world_bounding_box.Min()[0] = world_bounding_sphere.Center()[0] - world_bounding_sphere.Radius();
    world_bounding_box.Min()[1] = world_bounding_sphere.Center()[1] - world_bounding_sphere.Radius();
    world_bounding_box.Min()[2] = world_bounding_sphere.Center()[2] - world_bounding_sphere.Radius();
    world_bounding_box.Max()[0] = world_bounding_sphere.Center()[0] + world_bounding_sphere.Radius();
    world_bounding_box.Max()[1] = world_bounding_sphere.Center()[1] + world_bounding_sphere.Radius();
    world_bounding_box.Max()[2] = world_bounding_sphere.Center()[2] + world_bounding_sphere.Radius();
}
 
// FUNCTION: LEGO1 0x100a5d80
const float* OrientableROI::GetWorldVelocity() const
{
    return m_world_velocity.GetData();
}
 
// FUNCTION: LEGO1 0x100a5d90
const BoundingBox& OrientableROI::GetWorldBoundingBox() const
{
    return m_world_bounding_box;
}
 
// FUNCTION: LEGO1 0x100a5da0
const BoundingSphere& OrientableROI::GetWorldBoundingSphere() const
{
    return m_world_bounding_sphere;
}