vrheights
annotate src/mesh.h @ 8:3f221bdc9bab
mesh loading
walk polys
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 03 Oct 2014 04:16:16 +0300 |
| parents | |
| children | 25cab9e20c9c |
| rev | line source |
|---|---|
| nuclear@8 | 1 #ifndef MESH_H_ |
| nuclear@8 | 2 #define MESH_H_ |
| nuclear@8 | 3 |
| nuclear@8 | 4 #include <vector> |
| nuclear@8 | 5 #include <vmath/vmath.h> |
| nuclear@8 | 6 |
| nuclear@8 | 7 enum MeshAttrib { |
| nuclear@8 | 8 MESH_VERTEX, |
| nuclear@8 | 9 MESH_NORMAL, |
| nuclear@8 | 10 MESH_TEXCOORD, |
| nuclear@8 | 11 MESH_TANGENT, |
| nuclear@8 | 12 |
| nuclear@8 | 13 NUM_MESH_ATTRIBS |
| nuclear@8 | 14 }; |
| nuclear@8 | 15 |
| nuclear@8 | 16 struct MeshAttribData { |
| nuclear@8 | 17 std::vector<float> data; |
| nuclear@8 | 18 int nelems; |
| nuclear@8 | 19 int sdrloc; |
| nuclear@8 | 20 |
| nuclear@8 | 21 int vbo_size; |
| nuclear@8 | 22 unsigned int vbo; |
| nuclear@8 | 23 bool vbo_valid; |
| nuclear@8 | 24 }; |
| nuclear@8 | 25 |
| nuclear@8 | 26 struct MeshFace { |
| nuclear@8 | 27 int vcount; |
| nuclear@8 | 28 Vector3 v[4]; |
| nuclear@8 | 29 }; |
| nuclear@8 | 30 |
| nuclear@8 | 31 class Mesh { |
| nuclear@8 | 32 private: |
| nuclear@8 | 33 int prim, prim_verts; |
| nuclear@8 | 34 MeshAttribData attrib[NUM_MESH_ATTRIBS]; |
| nuclear@8 | 35 int num_verts; |
| nuclear@8 | 36 |
| nuclear@8 | 37 std::vector<unsigned int> index; |
| nuclear@8 | 38 int num_idx; |
| nuclear@8 | 39 unsigned int ibo; |
| nuclear@8 | 40 int ibo_size; |
| nuclear@8 | 41 bool ibo_valid; |
| nuclear@8 | 42 |
| nuclear@8 | 43 unsigned int vbo_usage, ibo_usage; |
| nuclear@8 | 44 |
| nuclear@8 | 45 Vector3 cur_norm, cur_tang; |
| nuclear@8 | 46 Vector2 cur_tc; |
| nuclear@8 | 47 bool cur_norm_valid, cur_tc_valid, cur_tang_valid; |
| nuclear@8 | 48 |
| nuclear@8 | 49 public: |
| nuclear@8 | 50 Mesh(); |
| nuclear@8 | 51 ~Mesh(); |
| nuclear@8 | 52 |
| nuclear@8 | 53 void clear(); |
| nuclear@8 | 54 |
| nuclear@8 | 55 void set_primitive(int prim = -1); |
| nuclear@8 | 56 void set_attrib_location(int attr, int loc); |
| nuclear@8 | 57 |
| nuclear@8 | 58 float *set_vertex_data(int attr, int nelem, int count, float *data = 0); |
| nuclear@8 | 59 unsigned int *set_index_data(int count, unsigned int *data = 0); |
| nuclear@8 | 60 |
| nuclear@8 | 61 int get_vertex_count() const; |
| nuclear@8 | 62 float *get_vertex_data(int attr); |
| nuclear@8 | 63 const float *get_vertex_data(int attr) const; |
| nuclear@8 | 64 |
| nuclear@8 | 65 int get_index_count() const; |
| nuclear@8 | 66 unsigned int *get_index_data(); |
| nuclear@8 | 67 const unsigned int *get_index_data() const; |
| nuclear@8 | 68 |
| nuclear@8 | 69 int get_face_count() const; |
| nuclear@8 | 70 MeshFace get_face(int idx) const; |
| nuclear@8 | 71 |
| nuclear@8 | 72 void begin(int prim = -1); |
| nuclear@8 | 73 void end(); |
| nuclear@8 | 74 |
| nuclear@8 | 75 void vertex(float x, float y, float z); |
| nuclear@8 | 76 void normal(float x, float y, float z); |
| nuclear@8 | 77 void texcoord(float x, float y); |
| nuclear@8 | 78 void tangent(float x, float y, float z); |
| nuclear@8 | 79 |
| nuclear@8 | 80 void draw() const; |
| nuclear@8 | 81 }; |
| nuclear@8 | 82 |
| nuclear@8 | 83 #endif // MESH_H_ |