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Reformat: xrCDB
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@invokr
invokr committed Jan 15, 2017
1 parent ef48491 commit 521f856
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Showing 84 changed files with 14,053 additions and 12,713 deletions.
791 changes: 416 additions & 375 deletions src/xrCDB/Frustum.cpp
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137 changes: 69 additions & 68 deletions src/xrCDB/Frustum.h
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Original file line number Diff line number Diff line change
Expand Up @@ -11,93 +11,94 @@

#include "xrCore/fixedvector.h"

#pragma pack(push,4)
#pragma pack(push, 4)

enum EFC_Visible {
fcvNone = 0,
fcvPartial,
fcvFully,
fcv_forcedword = u32(-1)
enum EFC_Visible
{
fcvNone = 0,
fcvPartial,
fcvFully,
fcv_forcedword = u32(-1)
};

#define FRUSTUM_MAXPLANES 12
#define FRUSTUM_P_LEFT (1 << 0)
#define FRUSTUM_P_RIGHT (1 << 1)
#define FRUSTUM_P_TOP (1 << 2)
#define FRUSTUM_P_BOTTOM (1 << 3)
#define FRUSTUM_P_NEAR (1 << 4)
#define FRUSTUM_P_FAR (1 << 5)

#define FRUSTUM_MAXPLANES 12
#define FRUSTUM_P_LEFT (1<<0)
#define FRUSTUM_P_RIGHT (1<<1)
#define FRUSTUM_P_TOP (1<<2)
#define FRUSTUM_P_BOTTOM (1<<3)
#define FRUSTUM_P_NEAR (1<<4)
#define FRUSTUM_P_FAR (1<<5)

#define FRUSTUM_P_LRTB (FRUSTUM_P_LEFT|FRUSTUM_P_RIGHT|FRUSTUM_P_TOP|FRUSTUM_P_BOTTOM)
#define FRUSTUM_P_ALL (FRUSTUM_P_LRTB|FRUSTUM_P_NEAR|FRUSTUM_P_FAR)
#define FRUSTUM_P_LRTB (FRUSTUM_P_LEFT | FRUSTUM_P_RIGHT | FRUSTUM_P_TOP | FRUSTUM_P_BOTTOM)
#define FRUSTUM_P_ALL (FRUSTUM_P_LRTB | FRUSTUM_P_NEAR | FRUSTUM_P_FAR)

#define FRUSTUM_SAFE (FRUSTUM_MAXPLANES*4)
typedef svector<Fvector,FRUSTUM_SAFE> sPoly;
extern u32 frustum_aabb_remap[8][6];
#define FRUSTUM_SAFE (FRUSTUM_MAXPLANES * 4)
typedef svector<Fvector, FRUSTUM_SAFE> sPoly;
extern u32 frustum_aabb_remap[8][6];

class XRCDB_API CFrustum
class XRCDB_API CFrustum
{
public:
struct fplane : public Fplane
{
u32 aabb_overlap_id; // [0..7]
void cache ();
};
fplane planes [FRUSTUM_MAXPLANES];
int p_count;

public:
ICF EFC_Visible AABB_OverlapPlane (const fplane& P, const float* mM) const
{
// calc extreme pts (neg,pos) along normal axis (pos in dir of norm, etc.)
u32* id = frustum_aabb_remap[P.aabb_overlap_id];

Fvector Neg;
Neg.set (mM[id[3]],mM[id[4]],mM[id[5]]);
if (P.classify(Neg) > 0) return fcvNone;

Fvector Pos;
Pos.set (mM[id[0]],mM[id[1]],mM[id[2]]);
if (P.classify(Pos) <= 0) return fcvFully;
struct fplane : public Fplane
{
u32 aabb_overlap_id; // [0..7]
void cache();
};
fplane planes[FRUSTUM_MAXPLANES];
int p_count;

return fcvPartial;
}
public:
IC void _clear () { p_count=0; }
void _add (Fplane &P);
void _add (Fvector& P1, Fvector& P2, Fvector& P3);

void SimplifyPoly_AABB (sPoly* P, Fplane& plane);

void CreateOccluder (Fvector* p, int count, Fvector& vBase, CFrustum& clip);
BOOL CreateFromClipPoly (Fvector* p, int count, Fvector& vBase, CFrustum& clip); // returns 'false' if creation failed
void CreateFromPoints (Fvector* p, int count, Fvector& vBase );
void CreateFromMatrix (Fmatrix &M, u32 mask);
void CreateFromPortal (sPoly* P, Fvector& vPN, Fvector& vBase, Fmatrix& mFullXFORM);
void CreateFromPlanes (Fplane* p, int count);
ICF EFC_Visible AABB_OverlapPlane(const fplane& P, const float* mM) const
{
// calc extreme pts (neg,pos) along normal axis (pos in dir of norm, etc.)
u32* id = frustum_aabb_remap[P.aabb_overlap_id];

sPoly* ClipPoly (sPoly& src, sPoly& dest) const;
Fvector Neg;
Neg.set(mM[id[3]], mM[id[4]], mM[id[5]]);
if (P.classify(Neg) > 0) return fcvNone;

u32 getMask () const { return (1<<p_count)-1; }
Fvector Pos;
Pos.set(mM[id[0]], mM[id[1]], mM[id[2]]);
if (P.classify(Pos) <= 0) return fcvFully;

EFC_Visible testSphere (Fvector& c, float r, u32& test_mask) const;
BOOL testSphere_dirty (Fvector& c, float r) const;
EFC_Visible testAABB (const float* mM, u32& test_mask) const;
EFC_Visible testSAABB (Fvector& c, float r, const float* mM, u32& test_mask) const;
BOOL testPolyInside_dirty(Fvector* p, int count) const;
return fcvPartial;
}

IC BOOL testPolyInside (sPoly& src) const
public:
IC void _clear() { p_count = 0; }
void _add(Fplane& P);
void _add(Fvector& P1, Fvector& P2, Fvector& P3);

void SimplifyPoly_AABB(sPoly* P, Fplane& plane);

void CreateOccluder(Fvector* p, int count, Fvector& vBase, CFrustum& clip);
BOOL CreateFromClipPoly(
Fvector* p, int count, Fvector& vBase, CFrustum& clip); // returns 'false' if creation failed
void CreateFromPoints(Fvector* p, int count, Fvector& vBase);
void CreateFromMatrix(Fmatrix& M, u32 mask);
void CreateFromPortal(sPoly* P, Fvector& vPN, Fvector& vBase, Fmatrix& mFullXFORM);
void CreateFromPlanes(Fplane* p, int count);

sPoly* ClipPoly(sPoly& src, sPoly& dest) const;

u32 getMask() const { return (1 << p_count) - 1; }
EFC_Visible testSphere(Fvector& c, float r, u32& test_mask) const;
BOOL testSphere_dirty(Fvector& c, float r) const;
EFC_Visible testAABB(const float* mM, u32& test_mask) const;
EFC_Visible testSAABB(Fvector& c, float r, const float* mM, u32& test_mask) const;
BOOL testPolyInside_dirty(Fvector* p, int count) const;

IC BOOL testPolyInside(sPoly& src) const
{
sPoly d;
return !!ClipPoly(src,d);
sPoly d;
return !!ClipPoly(src, d);
}
IC BOOL testPolyInside (Fvector* p, int count) const
IC BOOL testPolyInside(Fvector* p, int count) const
{
sPoly src(p,count);
sPoly src(p, count);
return testPolyInside(src);
}
};
#pragma pack(pop)

#endif // !defined(AFX_FRUSTUM_H__E66ED755_F741_49CF_8B2A_404CCF7067F2__INCLUDED_)
#endif // !defined(AFX_FRUSTUM_H__E66ED755_F741_49CF_8B2A_404CCF7067F2__INCLUDED_)
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