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Move sdk and eax

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Sergeanur
2020-08-02 19:36:50 +03:00
parent 0009558fcb
commit a786dd45a4
316 changed files with 10 additions and 10 deletions
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138
sdk/rwsdk/include/d3d8/rtintsec.h Normal file
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/***************************************************************************
* *
* Module : rtintsec.h *
* *
* Purpose : Intersection tests on geometry primitives. *
* *
**************************************************************************/
#ifndef RTINTSEC_H
#define RTINTSEC_H
/**
* \defgroup rtintersect RtIntersection
* \ingroup rttool
*
* Object Intersection Toolkit for RenderWare.
*/
/****************************************************************************
Includes
*/
#include <rwcore.h>
#include "rtintsec.rpe" /* automatically generated header file */
/****************************************************************************
Defines
*/
#define RTINTSECEPSILON (RwReal)(1e-8)
#define RTINTSECEDGEEPS (RwReal)(1e-5)
#define RtIntersectionLineTriangleMacro(_result, \
_lineStart, _lineDelta, \
_v0, _v1, _v2, \
_distance) \
MACRO_START \
{ \
RwV3d edge1, edge2, tVec, pVec, qVec; \
RwReal det; \
\
/* Find vectors for two edges sharing vert0 */ \
RwV3dSubMacro(&edge1, (_v1), (_v0)); \
RwV3dSubMacro(&edge2, (_v2), (_v0)); \
\
/* Begin calculating determinant \
* - also used to calculate U parameter */ \
RwV3dCrossProductMacro(&pVec, (_lineDelta), &edge2); \
\
/* If determinant is \
* + near zero, ray lies in plane of \
* triangle \
* + negative, triangle is backfacing \
*/ \
det = RwV3dDotProductMacro(&edge1, &pVec); \
(_result) = (det > RTINTSECEPSILON); \
\
if ((_result)) \
{ \
RwReal lo, hi, u; \
\
/* Calculate bounds for parameters with tolerance */ \
lo = - det*RTINTSECEDGEEPS; \
hi = det - lo; \
\
/* Calculate U parameter and test bounds */ \
RwV3dSubMacro(&tVec, (_lineStart), (_v0)); \
u = RwV3dDotProductMacro(&tVec, &pVec); \
(_result) = (u >= lo && u <= hi); \
\
if ((_result)) \
{ \
RwReal v; \
\
/* Calculate V parameter and test bounds */ \
RwV3dCrossProductMacro(&qVec, &tVec, &edge1); \
v = RwV3dDotProductMacro((_lineDelta), &qVec); \
(_result) = (v >= lo && (u + v) <= hi); \
\
if ((_result)) \
{ \
/* Calculate t, \
* and make sure intersection is in bounds of line */ \
*(_distance) = RwV3dDotProductMacro(&edge2, &qVec); \
\
/* Within bounds of line? */ \
(_result) = (*(_distance) >= lo && *(_distance) <= hi); \
\
if ((_result)) \
{ \
*(_distance) = ((*(_distance)) / (det)); \
} \
} \
} \
} \
} \
MACRO_STOP
/****************************************************************************
Global Types
*/
/* RWPUBLIC */
/****************************************************************************
Function prototypes
*/
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
/* Line intersections */
extern RwBool
RtIntersectionLineTriangle(RwV3d *lineStart, RwV3d *lineDelta,
RwV3d *v0, RwV3d *v1, RwV3d *v2,
RwReal *distance);
/* Sphere intersections */
extern RwBool
RtIntersectionSphereTriangle(RwSphere *sphere,
RwV3d *v0, RwV3d *v1, RwV3d *v2,
RwV3d *normal,
RwReal *distance);
/* BBox intersections */
extern RwBool
RtIntersectionBBoxTriangle(RwBBox *bbox, RwV3d *v0, RwV3d *v1, RwV3d *v2);
#ifdef __cplusplus
}
#endif /* __cplusplus */
/* RWPUBLICEND */
#endif /* RTINTSEC_H */