mirror of
https://gitlab.com/GaryOderNichts/re3-wiiu.git
synced 2024-12-04 23:14:21 +01:00
142 lines
5.0 KiB
C
142 lines
5.0 KiB
C
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/***************************************************************************
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* *
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* Module : rtbary.h *
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* *
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* Purpose : Barycentric operations *
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* *
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**************************************************************************/
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#ifndef RTBARY_H
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#define RTBARY_H
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/**
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* \defgroup rtbary RtBary
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* \ingroup rttool
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*
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* Barycentric Toolkit for RenderWare.
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*/
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/****************************************************************************
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Includes
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*/
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#include <rwcore.h>
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#include <rtbary.rpe> /* automatically generated header file */
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/****************************************************************************
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Global types
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*/
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/**
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* \ingroup rtbary
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* \typedef RtBaryV4d
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* typedef for the 4 element homogeneous row of a transform matrix mapping
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* a point from Cartesian space to the barycentric space defined by a triangle.
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*/
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typedef RwReal RtBaryV4d[4];
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/**
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* \ingroup rtbary
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* \typedef RtBaryTransform
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* typedef for the 4x4 homogeneous transform matrix mapping a point
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* from Cartesian space to the barycentric space defined by a triangle.
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*/
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typedef RtBaryV4d RtBaryTransform[4];
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/****************************************************************************
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Defines
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*/
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#define RtBaryV3dFromWeightsMacro(_out, _b, _v0, _v1, _v2) \
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MACRO_START \
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{ \
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(_out)->x = (RwReal)( ((_v0)->x * (_b)[0]) + \
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((_v1)->x * (_b)[1]) + \
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((_v2)->x * (_b)[2]) ); \
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(_out)->y = (RwReal)( ((_v0)->y * (_b)[0]) + \
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((_v1)->y * (_b)[1]) + \
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((_v2)->y * (_b)[2]) ); \
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(_out)->z = (RwReal)( ((_v0)->z * (_b)[0]) + \
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((_v1)->z * (_b)[1]) + \
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((_v2)->z * (_b)[2]) ); \
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} \
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MACRO_STOP
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#define RtBaryWeightsFromV3dMacro(_out, _m, _in) \
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MACRO_START \
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{ \
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(_out)[0] = ( (_m)[0][0] * (_in)->x + \
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(_m)[1][0] * (_in)->y + \
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(_m)[2][0] * (_in)->z + \
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(_m)[3][0] ); \
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(_out)[1] = ( (_m)[0][1] * (_in)->x + \
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(_m)[1][1] * (_in)->y + \
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(_m)[2][1] * (_in)->z + \
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(_m)[3][1] ); \
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(_out)[2] = ( (_m)[0][2] * (_in)->x + \
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(_m)[1][2] * (_in)->y + \
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(_m)[2][2] * (_in)->z + \
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(_m)[3][2] ); \
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(_out)[3] = ( (_m)[0][3] * (_in)->x + \
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(_m)[1][3] * (_in)->y + \
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(_m)[2][3] * (_in)->z + \
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(_m)[3][3] ); \
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} \
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MACRO_STOP
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#if (! ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) ))
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#define RtBaryV3dFromWeights(_out, _b, _v0, _v1, _v2) \
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RtBaryV3dFromWeightsMacro(_out, _b, _v0, _v1, _v2)
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#define RtBaryWeightsFromV3d(_out, _m, _in) \
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RtBaryWeightsFromV3dMacro(_out, _m, _in)
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#endif /* (! ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) )) */
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/****************************************************************************
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Function prototypes
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*/
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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extern RwBool
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RtBaryGetTransform(RtBaryTransform m,
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RwReal * const area,
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const RwV3d * const v0,
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const RwV3d * const v1,
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const RwV3d * const v2);
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#if ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) )
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extern void
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RtBaryV3dFromWeights(RwV3d * const out,
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const RtBaryV4d weights,
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const RwV3d * const v0,
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const RwV3d * const v1,
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const RwV3d * const v2);
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extern void
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RtBaryWeightsFromV3d(RtBaryV4d out,
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RtBaryTransform mat,
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const RwV3d * const in);
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extern void
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_rtImportWorldBaryFromEdge(RtBaryV4d out,
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RtBaryTransform mat,
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const RwV3d * const in);
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#endif /* ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) ) */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* RTBARY_H */
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