1 files changed, 141 insertions, 0 deletions

diff --git a/sdk/rwsdk/include/d3d8/rtbary.h b/sdk/rwsdk/include/d3d8/rtbary.h
new file mode 100644
index 00000000..61c39b07
--- /dev/null
+++ b/sdk/rwsdk/include/d3d8/rtbary.h
@@ -0,0 +1,141 @@
+/***************************************************************************
+ *                                                                         *
+ * Module  : rtbary.h                                                      *
+ *                                                                         *
+ * Purpose : Barycentric operations                                        *
+ *                                                                         *
+ **************************************************************************/
+
+#ifndef RTBARY_H
+#define RTBARY_H
+
+/**
+ * \defgroup rtbary RtBary
+ * \ingroup rttool
+ *
+ * Barycentric Toolkit for RenderWare.
+ */
+
+
+/****************************************************************************
+ Includes
+ */
+
+#include <rwcore.h>
+
+#include <rtbary.rpe>          /* automatically generated header file */
+
+
+/****************************************************************************
+ Global types
+ */
+
+/**
+ * \ingroup rtbary
+ * \typedef RtBaryV4d
+ * typedef for the 4 element homogeneous row of a transform matrix mapping 
+ * a point from Cartesian space to the barycentric space defined by a triangle.
+ */
+typedef RwReal      RtBaryV4d[4];
+
+/**
+ * \ingroup rtbary
+ * \typedef RtBaryTransform
+ * typedef for the 4x4 homogeneous transform matrix mapping a point
+ * from Cartesian space to the barycentric space defined by a triangle.
+ */
+typedef RtBaryV4d   RtBaryTransform[4];
+
+/****************************************************************************
+ Defines
+ */
+
+#define RtBaryV3dFromWeightsMacro(_out, _b, _v0, _v1, _v2)      \
+MACRO_START                                                     \
+{                                                               \
+    (_out)->x = (RwReal)( ((_v0)->x * (_b)[0]) +                \
+                          ((_v1)->x * (_b)[1]) +                \
+                          ((_v2)->x * (_b)[2]) );               \
+    (_out)->y = (RwReal)( ((_v0)->y * (_b)[0]) +                \
+                          ((_v1)->y * (_b)[1]) +                \
+                          ((_v2)->y * (_b)[2]) );               \
+    (_out)->z = (RwReal)( ((_v0)->z * (_b)[0]) +                \
+                          ((_v1)->z * (_b)[1]) +                \
+                          ((_v2)->z * (_b)[2]) );               \
+}                                                               \
+MACRO_STOP
+
+#define RtBaryWeightsFromV3dMacro(_out, _m, _in)        \
+MACRO_START                                             \
+{                                                       \
+    (_out)[0] = ( (_m)[0][0] * (_in)->x +               \
+                  (_m)[1][0] * (_in)->y +               \
+                  (_m)[2][0] * (_in)->z +               \
+                  (_m)[3][0] );                         \
+    (_out)[1] = ( (_m)[0][1] * (_in)->x +               \
+                  (_m)[1][1] * (_in)->y +               \
+                  (_m)[2][1] * (_in)->z +               \
+                  (_m)[3][1] );                         \
+    (_out)[2] = ( (_m)[0][2] * (_in)->x +               \
+                  (_m)[1][2] * (_in)->y +               \
+                  (_m)[2][2] * (_in)->z +               \
+                  (_m)[3][2] );                         \
+    (_out)[3] = ( (_m)[0][3] * (_in)->x +               \
+                  (_m)[1][3] * (_in)->y +               \
+                  (_m)[2][3] * (_in)->z +               \
+                  (_m)[3][3] );                         \
+}                                                       \
+MACRO_STOP
+
+#if (! ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) ))
+
+#define RtBaryV3dFromWeights(_out, _b, _v0, _v1, _v2)     \
+        RtBaryV3dFromWeightsMacro(_out, _b, _v0, _v1, _v2)
+
+#define RtBaryWeightsFromV3d(_out, _m, _in)               \
+        RtBaryWeightsFromV3dMacro(_out, _m, _in)
+
+#endif /* (! ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) )) */
+
+/****************************************************************************
+ Function prototypes
+ */
+
+#ifdef    __cplusplus
+extern              "C"
+{
+#endif                          /* __cplusplus */
+
+extern RwBool
+RtBaryGetTransform(RtBaryTransform m,
+                   RwReal * const area,
+                   const RwV3d * const v0,
+                   const RwV3d * const v1,
+                   const RwV3d * const v2);
+
+#if ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) )
+
+extern void
+RtBaryV3dFromWeights(RwV3d * const out,
+                     const RtBaryV4d weights,
+                     const RwV3d * const v0, 
+                     const RwV3d * const v1, 
+                     const RwV3d * const v2);
+
+extern void
+RtBaryWeightsFromV3d(RtBaryV4d out,
+                        RtBaryTransform mat,
+                        const RwV3d * const in);
+
+extern void
+_rtImportWorldBaryFromEdge(RtBaryV4d out,
+                           RtBaryTransform mat,
+                           const RwV3d * const in);
+
+#endif   /* ( defined(RWDEBUG) || defined(RWSUPPRESSINLINE) ) */
+
+#ifdef    __cplusplus
+}
+#endif                          /* __cplusplus */
+
+#endif /* RTBARY_H */