/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.

#ifndef CRYINCLUDE_CRYPHYSICS_SPHEREGEOM_H
#define CRYINCLUDE_CRYPHYSICS_SPHEREGEOM_H
#pragma once

#if ENABLE_CRY_PHYSICS

class CSphereGeom
    : public CPrimitive
{
public:
    CSphereGeom() { m_iCollPriority = 3; m_minVtxDist = 0; }

    CSphereGeom* CreateSphere(sphere* pcyl);

    virtual int GetType() { return GEOM_SPHERE; }
    virtual void GetBBox(box* pbox) { m_Tree.GetBBox(pbox); }
    virtual int CalcPhysicalProperties(phys_geometry* pgeom);
    virtual int FindClosestPoint(geom_world_data* pgwd, int& iPrim, int& iFeature, const Vec3& ptdst0, const Vec3& ptdst1,
        Vec3* ptres, int nMaxIters);
    virtual int PointInsideStatus(const Vec3& pt);
    virtual float CalculateBuoyancy(const plane* pplane, const geom_world_data* pgwd, Vec3& massCenter);
    virtual void CalculateMediumResistance(const plane* pplane, const geom_world_data* pgwd, Vec3& dPres, Vec3& dLres);
    virtual void CalcVolumetricPressure(geom_world_data* gwd, const Vec3& epicenter, float k, float rmin,
        const Vec3& centerOfMass, Vec3& P, Vec3& L);
    virtual int DrawToOcclusionCubemap(const geom_world_data* pgwd, int iStartPrim, int nPrims, int iPass, SOcclusionCubeMap* cubeMap);
    virtual CBVTree* GetBVTree() { return &m_Tree; }
    virtual int UnprojectSphere(Vec3 center, float r, float rsep, contact* pcontact);
    virtual int GetPrimitive(int iPrim, primitive* pprim) { *(sphere*)pprim = m_sphere; return sizeof(sphere); }
    virtual void DrawWireframe(IPhysRenderer* pRenderer, geom_world_data* gwd, int iLevel, int idxColor);

    virtual const primitive* GetData() { return &m_sphere; }
    virtual void SetData(const primitive* psph) { CreateSphere((sphere*)psph); }
    virtual float GetVolume() { return (4.0f / 3) * g_PI * cube(m_sphere.r); }
    virtual Vec3 GetCenter() { return m_sphere.center; }
    virtual float GetExtent(EGeomForm eForm) const;
    virtual void GetRandomPos(PosNorm& ran, EGeomForm eForm) const;
    virtual int PrepareForIntersectionTest(geometry_under_test* pGTest, CGeometry* pCollider, geometry_under_test* pGTestColl, bool bKeepPrevContacts = false);
    virtual int PreparePrimitive(geom_world_data* pgwd, primitive*& pprim, int iCaller = 0);
    virtual int GetPrimitiveList(int iStart, int nPrims, int typeCollider, primitive* pCollider, int bColliderLocal,
        geometry_under_test* pGTest, geometry_under_test* pGTestOp, primitive* pRes, char* pResId);
    virtual int GetUnprojectionCandidates(int iop, const contact* pcontact, primitive*& pprim, int*& piFeature, geometry_under_test* pGTest);
    virtual void GetMemoryStatistics(ICrySizer* pSizer);
    virtual void Save(CMemStream& stm);
    virtual void Load(CMemStream& stm);
    virtual int GetSizeFast() { return sizeof(*this); }

    sphere m_sphere;
    CSingleBoxTree m_Tree;
};

#endif // ENABLE_CRY_PHYSICS

#endif // CRYINCLUDE_CRYPHYSICS_SPHEREGEOM_H