1 | #ifndef __change_h_ |
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2 | #define __change_h_ |
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3 | |
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4 | #include "mesh.h" |
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5 | #include <vector> |
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6 | #include <map> |
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7 | |
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8 | namespace VMI |
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9 | { |
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10 | typedef std::vector<int> INTVECTOR; |
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11 | |
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12 | typedef struct change |
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13 | { |
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14 | int e; |
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15 | int u, v; // Edge |
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16 | int numDel; // Number of deleted triangles |
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17 | Triangle *deleted; // List of deleted triangles |
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18 | int numMod; // Number of modified triangles |
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19 | Triangle *modified; // List of triangles deleted |
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20 | } Change; |
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21 | |
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22 | // Represents a simplification step in the sequence. |
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23 | struct vmiStep |
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24 | { |
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25 | unsigned int mV0; |
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26 | unsigned int mV1; |
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27 | unsigned int mT0; |
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28 | unsigned int mT1; |
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29 | float x; |
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30 | float y; |
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31 | float z; |
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32 | |
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33 | std::vector<unsigned int> mModfaces; |
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34 | |
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35 | // Indicates the the step is obligatory to execute |
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36 | // joined width the following step. |
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37 | unsigned int obligatory; |
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38 | }; |
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39 | |
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40 | // Stores all the simplification steps. |
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41 | extern std::vector<vmiStep> mVMISteps; |
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42 | |
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43 | extern Change *createChange (Mesh *mesh, int e); |
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44 | extern void writeChange(FILE* file, Change *c); |
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45 | extern void deleteChange(Change *c); |
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46 | extern void printChange(Change *c); |
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47 | |
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48 | extern void modifyTriangle(Triangle *t, int c, int p); |
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49 | extern int isATriangleToModify(Triangle *t, int c, int p); |
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50 | extern int getTrianglesToModify(Mesh *mesh, int c, int p, Triangle *modified); |
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51 | extern int isATriangleToDelete(Triangle *t, int c, int p); |
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52 | extern int getTrianglesToDelete(Mesh *mesh, int numMod, Triangle *modified, Triangle *deleted, int c, int p); |
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53 | |
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54 | extern void modifyTriangles(Mesh *mesh, Change *c); |
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55 | extern void unmodifyTriangles(Mesh *mesh, Change *c); |
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56 | extern void deleteTriangles(Mesh *mesh, Change *c); |
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57 | extern void undeleteTriangles(Mesh *mesh, Change *c); |
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58 | |
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59 | extern void printList(Triangle *list, int n); |
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60 | extern void deleteItem(Triangle *list, int *n, int item); |
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61 | |
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62 | extern void doChange(Mesh *mesh, Change *c); |
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63 | extern void undoChange(Mesh *mesh, Change *c); |
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64 | extern void computeChanges(Mesh *mesh, Change *c); |
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65 | |
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66 | // Save simplification sequence in Geometry Game Tools format. |
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67 | extern void saveSimplificationSequence(Change *c); |
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68 | |
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69 | extern std::map<int, INTVECTOR> inversemap; |
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70 | } |
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71 | |
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72 | #endif |
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