concretePolyList.h

Engine/source/collision/concretePolyList.h

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Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2012 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#ifndef _CONCRETEPOLYLIST_H_
25#define _CONCRETEPOLYLIST_H_
26
27#ifndef _ABSTRACTPOLYLIST_H_
28#include "collision/abstractPolyList.h"
29#endif
30
31/// A concrete, renderable PolyList
32///
33/// This class is used to store geometry from a PolyList query.
34///
35/// It allows you to render this data, as well.
36///
37/// @see AbstractPolyList
38class ConcretePolyList : public AbstractPolyList
39{
40  public:
41
42   struct Poly {
43      PlaneF plane;
44      SceneObject* object;
45      BaseMatInstance* material;
46      U32 vertexStart;
47      U32 vertexCount;
48      U32 surfaceKey;
49
50      Poly()
51      {
52         vertexStart = 0;
53         vertexCount = 0;
54         surfaceKey = 0;
55         object = NULL;
56         material = NULL;
57      }
58   };
59
60   typedef Vector<PlaneF> PlaneList;
61   typedef Vector<Point3F> VertexList;
62   typedef Vector<Poly>   PolyList;
63   typedef Vector<U32>    IndexList;
64
65   PolyList   mPolyList;
66   VertexList mVertexList;
67   IndexList  mIndexList;
68
69   PlaneList  mPolyPlaneList;
70
71  public:
72   ConcretePolyList();
73   ~ConcretePolyList();
74   void clear();
75
76   // Virtual methods
77   U32  addPoint(const Point3F& p);
78   U32  addPlane(const PlaneF& plane);
79   void begin(BaseMatInstance* material,U32 surfaceKey);
80   void plane(U32 v1,U32 v2,U32 v3);
81   void plane(const PlaneF& p);
82   void plane(const U32 index);
83   void vertex(U32 vi);
84   void end();
85   void render();
86
87   bool isEmpty() const;
88
89   /// This breaks all polys in the polylist into triangles.
90   void triangulate();
91
92  protected:
93   const PlaneF& getIndexedPlane(const U32 index);
94};
95
96#endif  // _CONCRETEPOLYLIST_H_
97