isle-portable/LEGO1/realtime/roi.h
Nathan M Gilbert deaed23e41
Implement Helicopter (#329)
* Implement Helicopter

* Fix names

* Fix some issues

* Disable warning

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>
2023-12-14 17:50:29 +01:00

109 lines
2.6 KiB
C++

#ifndef ROI_H
#define ROI_H
// ROI stands for Real-time Object Instance.
#include "../mxstl/stlcompat.h"
#include "../realtime/realtime.h"
#include "compat.h"
#include "lodlist.h"
#include "vector.h"
/*
* A simple bounding box object with Min and Max accessor methods.
*/
class BoundingBox {
public:
const Vector3Data& Min() const { return min; }
Vector3Data& Min() { return min; }
const Vector3Data& Max() const { return max; }
Vector3Data& Max() { return max; }
private:
Vector3Data min;
Vector3Data max;
Vector3Data m_unk0x28;
Vector3Data m_unk0x3c;
};
/*
* A simple bounding sphere object with center and radius accessor methods.
*/
class BoundingSphere {
public:
const Vector3Data& Center() const { return center; }
Vector3Data& Center() { return center; }
const float& Radius() const { return radius; }
float& Radius() { return radius; }
private:
Vector3Data center;
float radius;
};
/*
* Abstract base class representing a single LOD version of
* a geometric object.
*/
class LODObject {
public:
// LODObject();
virtual ~LODObject() {}
virtual float Cost(float pixels_covered) const = 0; // vtable+0x4
virtual float AveragePolyArea() const = 0; // vtable+0x8
virtual int NVerts() const = 0; // vtable+0xc
};
/*
* A CompoundObject is simply a set of ROI objects which
* all together represent a single object with sub-parts.
*/
class ROI;
// typedef std::set<ROI*, std::less<const ROI*> > CompoundObject;
typedef list<ROI*> CompoundObject;
/*
* A ROIList is a list of ROI objects.
*/
typedef vector<const ROI*> ROIList;
/*
* A simple list of integers.
* Returned by RealtimeView::SelectLODs as indices into an ROIList.
*/
typedef vector<int> IntList;
// VTABLE: LEGO1 0x100dbc38
// SIZE 0xc
class ROI {
public:
ROI()
{
m_comp = 0;
m_lods = 0;
}
virtual ~ROI()
{
// if derived class set the comp and lods, it should delete them
assert(!m_comp);
assert(!m_lods);
}
virtual float IntrinsicImportance() const = 0; // vtable+0x4
virtual const Vector3& GetWorldVelocity() const = 0; // vtable+0x8
virtual const BoundingBox& GetWorldBoundingBox() const = 0; // vtable+0xc
virtual const BoundingSphere& GetWorldBoundingSphere() const = 0; // vtable+0x10
const LODListBase* GetLODs() const { return m_lods; }
const LODObject* GetLOD(int i) const
{
assert(m_lods);
return (*m_lods)[i];
}
int GetLODCount() const { return m_lods ? m_lods->Size() : 0; }
const CompoundObject* GetComp() const { return m_comp; }
protected:
CompoundObject* m_comp; // 0x4
LODListBase* m_lods; // 0x8
};
#endif // ROI_H