Initial commit: client source

2026-08-17 20:03:02 +02:00
commit 9ae37cd0ea
869 changed files with 227899 additions and 0 deletions
@@ -0,0 +1,80 @@
+/* Copyright (C) Graham Rhodes, 2001. 
+ * All rights reserved worldwide.
+ *
+ * This software is provided "as is" without express or implied
+ * warranties. You may freely copy and compile this source into
+ * applications you distribute provided that the copyright text
+ * below is included in the resulting source code, for example:
+ * "Portions Copyright (C) Graham Rhodes, 2001"
+ */
+/**************************************************************************************
+|
+|           File: lineintersect_utils.h
+|
+|        Purpose: Function prototypes for line segment intersection utility functions
+|
+|     Book Title: Game Programming Gems II
+|
+|  Chapter Title: Fast, Robust Intersection of 3D Line Segments
+|
+|         Author: Graham Rhodes
+|
+|      Revisions: 05-Apr-2001 - GSR. Original.
+|
+**************************************************************************************/
+#ifndef _lineintersect_utils_h
+#define _lineintersect_utils_h
+
+void IntersectLineSegments(const D3DXVECTOR3 & A1,
+                           const D3DXVECTOR3 & A2, 
+                           const D3DXVECTOR3 & B1,
+                           const D3DXVECTOR3 & B2,
+                           //bool infinite_lines, /*float epsilon,*/ 
+						   D3DXVECTOR3 & OutA, 
+						   D3DXVECTOR3 & OutB);
+
+
+void IntersectLineSegments(const float A1x, const float A1y, const float A1z,
+                           const float A2x, const float A2y, const float A2z, 
+                           const float B1x, const float B1y, const float B1z,
+                           const float B2x, const float B2y, const float B2z,
+                           bool infinite_lines, float epsilon, float &PointOnSegAx,
+                           float &PointOnSegAy, float &PointOnSegAz, float &PointOnSegBx,
+                           float &PointOnSegBy, float &PointOnSegBz, float &NearestPointX,
+                           float &NearestPointY, float &NearestPointZ, float &NearestVectorX,
+                           float &NearestVectorY, float &NearestVectorZ, bool &true_intersection);
+
+void IntersectLineSegments(const float A1x, const float A1y, const float A1z,
+                           const float A2x, const float A2y, const float A2z, 
+                           const float B1x, const float B1y, const float B1z,
+                           const float B2x, const float B2y, const float B2z,
+                           bool infinite_lines, float epsilon, float &PointOnSegAx,
+                           float &PointOnSegAy, float &PointOnSegAz, float &PointOnSegBx,
+                           float &PointOnSegBy, float &PointOnSegBz);
+
+void FindNearestPointOnLineSegment(const float A1x, const float A1y, const float A1z,
+                                   const float Lx, const float Ly, const float Lz,
+                                   const float Bx, const float By, const float Bz,
+                                   bool infinite_line, float epsilon_squared, float &NearestPointX,
+                                   float &NearestPointY, float &NearestPointZ,
+                                   float &parameter);
+
+void FindNearestPointOfParallelLineSegments(float A1x, float A1y, float A1z,
+                                            float A2x, float A2y, float A2z,
+                                            float Lax, float Lay, float Laz,
+                                            float B1x, float B1y, float B1z,
+                                            float B2x, float B2y, float B2z,
+                                            float Lbx, float Lby, float Lbz,
+                                            bool infinite_lines, float epsilon_squared,
+                                            float &PointOnSegAx, float &PointOnSegAy, float &PointOnSegAz,
+                                            float &PointOnSegBx, float &PointOnSegBy, float &PointOnSegBz);
+
+void AdjustNearestPoints(float A1x, float A1y, float A1z,
+                         float Lax, float Lay, float Laz,
+                         float B1x, float B1y, float B1z,
+                         float Lbx, float Lby, float Lbz,
+                         float epsilon_squared, float s, float t,
+                         float &PointOnSegAx, float &PointOnSegAy, float &PointOnSegAz,
+                         float &PointOnSegBx, float &PointOnSegBy, float &PointOnSegBz);
+
+#endif // _lineintersect_utils_h