1 | #ifndef __mesh_h_
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2 | #define __mesh_h_
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3 |
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4 | #include "glm.h"
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5 | namespace VMI
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6 | {
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7 |
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8 | typedef struct _Vertex {
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9 | float x, y, z; // Vertex coordinates
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10 | int numTriangles; // Number of triangles
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11 | int *triangles; // List of triangles
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12 | int numEdges;
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13 | int *edges;
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14 | int enable;
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15 | } Vertex;
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16 |
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17 | typedef struct _Edge {
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18 | int u, v; // Edge vertices
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19 | int enable;
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20 | } Edge;
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21 |
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22 | typedef struct _Triangle {
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23 | int id; // Triangle id
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24 | int group; // Triangle group
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25 | int submesh; // Triangle submesh
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26 | int indices[3]; // Triangle vertices
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27 | float normal[3]; // Triangle normal
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28 | double area; // Triangle area
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29 | double saliency; // Triangle saliency
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30 | int enable;
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31 | } Triangle;
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32 |
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33 | typedef struct _Mesh {
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34 | Vertex *vertices; // Mesh vertices
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35 | int numVertices; // Number of vertices
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36 | int currentNumVertices; // Current number of vertices
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37 | Edge *edges; // Mesh edges
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38 | int numEdges; // Number of edges
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39 | Triangle *triangles; // Mesh triangles
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40 | int numTriangles; // Number of triangles
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41 | int currentNumTriangles; // Current number of triangles
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42 | } Mesh;
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43 |
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44 | extern GLdouble computeTriangleArea(Vertex *vertices, Triangle *t);
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45 | extern double computeEdgeLength(Vertex *vertices, int u, int v);
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46 | extern void computeTriangleNormal(Vertex *vertices, Triangle *t);
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47 | extern double computeTriangleVolume(Vertex *vertices, Triangle *t);
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48 |
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49 | extern Vertex *addVertex(Vertex *list, int *n, float x, float y, float z, int *pos);
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50 | extern int findEdge(Edge *e, int num, int _u, int _v);
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51 | extern Edge *addEdge(Edge *list, int *n, int u, int v, int *pos);
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52 | extern GLboolean findVertex(float *vertices, int num, float x, float y, float z, int *pos);
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53 |
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54 | extern Mesh *initMesh(GLMmodel* pmodel);
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55 | extern void deleteMesh(Mesh *mesh);
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56 | extern void printMesh(Mesh *mesh);
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57 | extern void saveModel(char *filename, GLMmodel* pmodel, Mesh *mesh);
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58 | extern void updateModel(GLMmodel* pmodel, Mesh *mesh, int numVertices, int numTriangles);
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59 |
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60 | extern int *trianglesAdjToEdge(Mesh *mesh, int e, int *n);
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61 | extern int *verticesAdjToVertex(Mesh *mesh, int v, int *n);
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62 | extern int *edgesAdjToVertices(Mesh *mesh, int *vertices, int numVertices, int *n);
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63 |
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64 | // list of integers
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65 | extern void printItemList(int *list, int n);
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66 | extern int findItem(int *list, int n, int item);
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67 | extern void addItem(int *list, int *n, int item);
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68 | extern void delItem(int *list, int *n, int item);
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69 |
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70 |
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71 | }
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72 |
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73 | #endif
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