tools/stabiliser_dist.h
00001 /* 00002 Crystal Space Entity Layer 00003 Copyright (C) 2005 by Jorrit Tyberghein 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 */ 00019 00020 #ifndef STABILISER_DISTRIBUTIONS_H 00021 #define STABILISER_DISTRIBUTIONS_H 00022 00023 #include <csutil/array.h> 00024 #include <csutil/ref.h> 00025 #include <csutil/refcount.h> 00026 #include <ivaria/script.h> 00027 00028 struct iPcMechanicsObject; 00029 00030 struct celHoverObjectInfo 00031 { 00032 float height, yvel, acceleration; 00033 }; 00034 00035 00036 class celStabiliserFunction : public csRefCount 00037 { 00038 public: 00039 virtual ~celStabiliserFunction () {}; 00040 virtual float Force (celHoverObjectInfo obj_info) = 0; 00041 }; 00042 00043 class celIntervalMetaDistribution : public celStabiliserFunction 00044 { 00045 public: 00046 void Add (csRef<celStabiliserFunction> func , float low_int , float high_int); 00047 00048 float Force (celHoverObjectInfo obj_info); 00049 private: 00050 struct Interval 00051 { 00052 float low , high; 00053 csRef<celStabiliserFunction> func; 00054 }; 00055 00056 csArray<Interval> funcs; 00057 }; 00058 00059 class celIfFallingDistribution : public celStabiliserFunction 00060 { 00061 public: 00062 celIfFallingDistribution (csRef<celStabiliserFunction> ifdist , csRef<celStabiliserFunction> elsedist , float adelta = -1.0); 00063 00064 float Force (celHoverObjectInfo obj_info); 00065 private: 00066 csRef<celStabiliserFunction> if_dist , else_dist; 00067 float delta; 00068 }; 00069 00070 class celFallingMultiplierDistribution : public celStabiliserFunction 00071 { 00072 public: 00073 celFallingMultiplierDistribution (csRef<celStabiliserFunction> fdist, csRef<celStabiliserFunction> hdist); 00074 00075 float Force (celHoverObjectInfo obj_info); 00076 private: 00077 csRef<celStabiliserFunction> falling_dist, height_dist; 00078 }; 00079 00080 class celScriptedHeightFunction : public celStabiliserFunction 00081 { 00082 public: 00083 celScriptedHeightFunction (csRef<iScript> iscript, csString module); 00084 00085 float Force (celHoverObjectInfo obj_info); 00086 private: 00087 csString module; 00088 csRef<iScript> iscript; 00089 }; 00090 00091 class celReturnConstantValue : public celStabiliserFunction 00092 { 00093 public: 00094 celReturnConstantValue (float avalue = 0.0); 00095 00096 float Force (celHoverObjectInfo obj_info); 00097 00098 float value; 00099 }; 00100 00101 class celLinearGradient : public celStabiliserFunction 00102 { 00103 public: 00104 celLinearGradient (float m , float c) : m (m) , c (c) {} 00105 00106 float Force (celHoverObjectInfo obj_info) { return m*obj_info.height + c; } 00107 00108 float m , c; 00109 }; 00110 00111 class celInversePowerDistribution : public celStabiliserFunction 00112 { 00113 public: 00114 celInversePowerDistribution (float h0, float f0, float h1, float f1); 00115 00116 float Force (celHoverObjectInfo obj_info); 00117 private: 00118 static float ComputeK (float h0, float f0, float h1, float f1); 00119 static float ComputeX (float h, float f, float k); 00120 00121 float Formula (float h); 00122 00123 float k , x; 00124 }; 00125 00126 class celSquareDistribution : public celStabiliserFunction 00127 { 00128 public: 00129 celSquareDistribution (float h0, float f0, float h1, float f1); 00130 00131 float Force (celHoverObjectInfo obj_info); 00132 private: 00133 float a , k; 00134 }; 00135 00136 #endif
Generated for CEL: Crystal Entity Layer by doxygen 1.4.6