Panda3D
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00001 // Filename: collisionFloorMesh.h 00002 // Created by: zpavlov (28Jun07) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef COLLISIONFLOORMESH_H 00016 #define COLLISIONFLOORMESH_H 00017 00018 #include "pandabase.h" 00019 00020 #include "collisionPlane.h" 00021 #include "clipPlaneAttrib.h" 00022 #include "look_at.h" 00023 00024 #include "vector_LPoint2f.h" 00025 00026 class GeomNode; 00027 00028 //////////////////////////////////////////////////////////////////// 00029 // Class : CollisionFloorMesh 00030 // Description : This object represents a solid made entirely of triangles, which 00031 // will only be tested again z axis aligned rays 00032 //////////////////////////////////////////////////////////////////// 00033 class EXPCL_PANDA_COLLIDE CollisionFloorMesh : public CollisionSolid { 00034 public: 00035 typedef struct { 00036 unsigned int p1; 00037 unsigned int p2; 00038 unsigned int p3; 00039 float min_x; 00040 float max_x; 00041 float min_y; 00042 float max_y; 00043 } TriangleIndices; 00044 00045 00046 PUBLISHED: 00047 00048 INLINE CollisionFloorMesh(); 00049 00050 INLINE void add_vertex(const LPoint3f &vert); 00051 void add_triangle(unsigned int pointA, unsigned int pointB, unsigned int pointC); 00052 00053 INLINE const unsigned int get_num_vertices() const; 00054 INLINE const LPoint3f get_vertex(unsigned int index) const; 00055 MAKE_SEQ(get_vertices, get_num_vertices, get_vertex); 00056 INLINE const unsigned int get_num_triangles() const; 00057 INLINE const LPoint3d get_triangle(unsigned int index) const; 00058 MAKE_SEQ(get_triangles, get_num_triangles, get_triangle); 00059 00060 virtual LPoint3f get_collision_origin() const; 00061 00062 public: 00063 CollisionFloorMesh(const CollisionFloorMesh ©); 00064 virtual CollisionSolid *make_copy(); 00065 00066 public: 00067 00068 virtual void xform(const LMatrix4f &mat); 00069 00070 virtual PStatCollector &get_volume_pcollector(); 00071 virtual PStatCollector &get_test_pcollector(); 00072 00073 virtual void output(ostream &out) const; 00074 virtual void write(ostream &out, int indent_level = 0) const; 00075 00076 INLINE static void flush_level(); 00077 00078 protected: 00079 virtual PT(BoundingVolume) compute_internal_bounds() const; 00080 00081 virtual PT(CollisionEntry) 00082 test_intersection_from_ray(const CollisionEntry &entry) const; 00083 virtual PT(CollisionEntry) 00084 test_intersection_from_sphere(const CollisionEntry &entry) const; 00085 00086 virtual void fill_viz_geom(); 00087 00088 private: 00089 typedef pvector< LPoint3f > Vertices; 00090 00091 typedef pvector< TriangleIndices > Triangles; 00092 00093 Vertices _vertices; 00094 Triangles _triangles; 00095 00096 00097 static PStatCollector _volume_pcollector; 00098 static PStatCollector _test_pcollector; 00099 00100 protected: 00101 void fillin(DatagramIterator& scan, BamReader* manager); 00102 00103 public: 00104 static void register_with_read_factory(); 00105 virtual void write_datagram(BamWriter* manager, Datagram &me); 00106 00107 static TypedWritable *make_CollisionFloorMesh(const FactoryParams ¶ms); 00108 static TypeHandle get_class_type() { 00109 return _type_handle; 00110 } 00111 static void init_type() { 00112 CollisionSolid::init_type(); 00113 register_type(_type_handle, "CollisionFloorMesh", 00114 CollisionSolid::get_class_type()); 00115 } 00116 virtual TypeHandle get_type() const { 00117 return get_class_type(); 00118 } 00119 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00120 00121 private: 00122 static TypeHandle _type_handle; 00123 }; 00124 00125 #include "collisionFloorMesh.I" 00126 00127 #endif 00128 00129