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| 2 | |
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| 3 | #ifndef _IcoSphere_H__ |
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| 4 | #define _IcoSphere_H__ |
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| 5 | |
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| 6 | #include "tools/ToolsPrereqs.h" |
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| 7 | |
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| 8 | #include <OgreSingleton.h> |
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| 9 | #include <map> |
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| 10 | |
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| 11 | namespace orxonox |
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| 12 | { |
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| 13 | typedef std::pair<Ogre::Vector3, Ogre::ColourValue> VertexPair; |
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| 14 | |
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| 15 | /** |
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| 16 | * Copy-pasted from |
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| 17 | * - https://bitbucket.org/hasyimi/ogre-debug-drawing-utility/src |
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| 18 | * - http://www.ogre3d.org/tikiwiki/tiki-index.php?page=Debug+Drawing+Utility+Class |
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| 19 | * |
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| 20 | * This source code is released into the Public Domain. |
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| 21 | * |
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| 22 | * Modified by Fabian 'x3n' Landau |
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| 23 | */ |
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| 24 | class _ToolsExport IcoSphere |
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| 25 | { |
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| 26 | public: |
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| 27 | struct TriangleIndices |
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| 28 | { |
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| 29 | int v1, v2, v3; |
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| 30 | |
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| 31 | TriangleIndices(int _v1, int _v2, int _v3) : |
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| 32 | v1(_v1), v2(_v2), v3(_v3) |
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| 33 | { |
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| 34 | } |
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| 35 | |
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| 36 | bool operator <(const TriangleIndices &o) const |
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| 37 | { |
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| 38 | return v1 < o.v1 && v2 < o.v2 && v3 < o.v3; |
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| 39 | } |
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| 40 | }; |
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| 41 | |
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| 42 | struct LineIndices |
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| 43 | { |
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| 44 | int v1, v2; |
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| 45 | |
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| 46 | LineIndices(int _v1, int _v2) : |
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| 47 | v1(_v1), v2(_v2) |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | bool operator ==(const LineIndices &o) const |
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| 52 | { |
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| 53 | return (v1 == o.v1 && v2 == o.v2) || (v1 == o.v2 && v2 == o.v1); |
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| 54 | } |
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| 55 | }; |
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| 56 | |
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| 57 | IcoSphere(); |
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| 58 | ~IcoSphere(); |
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| 59 | |
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| 60 | void create(int recursionLevel); |
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| 61 | void addToLineIndices(int baseIndex, std::list<int>* target) const; |
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| 62 | int addToVertices(std::list<VertexPair>* target, const Ogre::Vector3& position, const Ogre::ColourValue& colour, float scale) const; |
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| 63 | void addToTriangleIndices(int baseIndex, std::list<int>* target) const; |
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| 64 | |
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| 65 | private: |
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| 66 | int addVertex(const Ogre::Vector3& vertex); |
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| 67 | void addLineIndices(int index0, int index1); |
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| 68 | void addTriangleLines(int index0, int index1, int index2); |
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| 69 | int getMiddlePoint(int index0, int index1); |
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| 70 | void addFace(int index0, int index1, int index2); |
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| 71 | |
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| 72 | void removeLineIndices(int index0, int index1); |
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| 73 | |
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| 74 | std::vector<Ogre::Vector3> vertices; |
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| 75 | std::list<LineIndices> lineIndices; |
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| 76 | std::list<int> triangleIndices; |
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| 77 | std::list<TriangleIndices> faces; |
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| 78 | std::map<int64_t, int> middlePointIndexCache; |
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| 79 | int index; |
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| 80 | }; |
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| 81 | } |
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| 82 | |
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| 83 | #endif /* _IcoSphere_H__ */ |
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