| 85 |
|
} Scene; |
| 86 |
|
|
| 87 |
|
/* Allocate a new scene holder */ |
| 88 |
< |
Scene * newScene(void); |
| 88 |
> |
extern Scene * newScene(void); |
| 89 |
|
|
| 90 |
|
/* Add a .OBJ file to a scene */ |
| 91 |
< |
Scene * loadOBJ(Scene *sc, const char *fspec); |
| 91 |
> |
extern Scene * loadOBJ(Scene *sc, const char *fspec); |
| 92 |
|
|
| 93 |
|
/* Duplicate a scene, optionally selecting faces */ |
| 94 |
< |
Scene * dupScene(const Scene *sc, int flreq, int flexc); |
| 94 |
> |
extern Scene * dupScene(const Scene *sc, int flreq, int flexc); |
| 95 |
|
|
| 96 |
|
/* Add one scene to another, not checking for redundancies */ |
| 97 |
< |
int addScene(Scene *scdst, const Scene *scsrc); |
| 97 |
> |
extern int addScene(Scene *scdst, const Scene *scsrc); |
| 98 |
|
|
| 99 |
|
/* Transform entire scene */ |
| 100 |
< |
int xfScene(Scene *sc, int xac, char *xav[]); |
| 101 |
< |
int xfmScene(Scene *sc, const char *xfm); |
| 100 |
> |
extern int xfScene(Scene *sc, int xac, char *xav[]); |
| 101 |
> |
extern int xfmScene(Scene *sc, const char *xfm); |
| 102 |
|
|
| 103 |
|
/* Add a descriptive comment */ |
| 104 |
< |
void addComment(Scene *sc, const char *comment); |
| 104 |
> |
extern void addComment(Scene *sc, const char *comment); |
| 105 |
|
|
| 106 |
|
/* Find index for comment containing the given string (starting from n) */ |
| 107 |
< |
int findComment(Scene *sc, const char *match, int n); |
| 107 |
> |
extern int findComment(Scene *sc, const char *match, int n); |
| 108 |
|
|
| 109 |
|
/* Clear comments */ |
| 110 |
< |
void clearComments(Scene *sc); |
| 110 |
> |
extern void clearComments(Scene *sc); |
| 111 |
|
|
| 112 |
|
/* Write a .OBJ file, return # faces written or -1 on error */ |
| 113 |
< |
int toOBJ(Scene *sc, FILE *fp); |
| 114 |
< |
int writeOBJ(Scene *sc, const char *fspec); |
| 113 |
> |
extern int toOBJ(Scene *sc, FILE *fp); |
| 114 |
> |
extern int writeOBJ(Scene *sc, const char *fspec); |
| 115 |
|
|
| 116 |
|
/* Convert indicated faces to Radiance, return # written or -1 on error */ |
| 117 |
< |
int toRadiance(Scene *sc, FILE *fp, int flreq, int flexc); |
| 118 |
< |
int writeRadiance(Scene *sc, const char *fspec, |
| 117 |
> |
extern int toRadiance(Scene *sc, FILE *fp, int flreq, int flexc); |
| 118 |
> |
extern int writeRadiance(Scene *sc, const char *fspec, |
| 119 |
|
int flreq, int flexc); |
| 120 |
|
|
| 121 |
|
/* Compute face area (and normal) */ |
| 122 |
< |
double faceArea(const Scene *sc, const Face *f, Normal nrm); |
| 122 |
> |
extern double faceArea(const Scene *sc, const Face *f, Normal nrm); |
| 123 |
|
|
| 124 |
|
/* Eliminate duplicate vertices, return # joined */ |
| 125 |
< |
int coalesceVertices(Scene *sc, double eps); |
| 125 |
> |
extern int coalesceVertices(Scene *sc, double eps); |
| 126 |
|
|
| 127 |
|
/* Identify duplicate faces */ |
| 128 |
< |
int findDuplicateFaces(Scene *sc); |
| 128 |
> |
extern int findDuplicateFaces(Scene *sc); |
| 129 |
|
|
| 130 |
|
/* Delete indicated faces, return # deleted */ |
| 131 |
< |
int deleteFaces(Scene *sc, int flreq, int flexc); |
| 131 |
> |
extern int deleteFaces(Scene *sc, int flreq, int flexc); |
| 132 |
|
|
| 133 |
|
/* Clear face selection */ |
| 134 |
< |
void clearSelection(Scene *sc, int set); |
| 134 |
> |
extern void clearSelection(Scene *sc, int set); |
| 135 |
|
|
| 136 |
|
/* Invert face selection */ |
| 137 |
< |
void invertSelection(Scene *sc); |
| 137 |
> |
extern void invertSelection(Scene *sc); |
| 138 |
|
|
| 139 |
|
/* Count number of faces selected */ |
| 140 |
< |
int numberSelected(Scene *sc); |
| 140 |
> |
extern int numberSelected(Scene *sc); |
| 141 |
|
|
| 142 |
|
/* Select faces by object name (modifies current) */ |
| 143 |
< |
void selectGroup(Scene *sc, const char *gname, int invert); |
| 143 |
> |
extern void selectGroup(Scene *sc, const char *gname, int invert); |
| 144 |
|
|
| 145 |
|
/* Select faces by material name (modifies current) */ |
| 146 |
< |
void selectMaterial(Scene *sc, const char *mname, int invert); |
| 146 |
> |
extern void selectMaterial(Scene *sc, const char *mname, int invert); |
| 147 |
|
|
| 148 |
|
/* Execute callback on indicated faces */ |
| 149 |
< |
int foreachFace(Scene *sc, int (*cb)(Scene *, Face *, void *), |
| 149 |
> |
extern int foreachFace(Scene *sc, int (*cb)(Scene *, Face *, void *), |
| 150 |
|
int flreq, int flexc, void *c_data); |
| 151 |
|
|
| 152 |
|
/* Remove texture coordinates from the indicated faces */ |
| 153 |
< |
int removeTexture(Scene *sc, int flreq, int flexc); |
| 153 |
> |
extern int removeTexture(Scene *sc, int flreq, int flexc); |
| 154 |
|
|
| 155 |
|
/* Remove surface normals from the indicated faces */ |
| 156 |
< |
int removeNormals(Scene *sc, int flreq, int flexc); |
| 156 |
> |
extern int removeNormals(Scene *sc, int flreq, int flexc); |
| 157 |
|
|
| 158 |
|
/* Change group for the indicated faces */ |
| 159 |
< |
int changeGroup(Scene *sc, const char *gname, |
| 159 |
> |
extern int changeGroup(Scene *sc, const char *gname, |
| 160 |
|
int flreq, int flexc); |
| 161 |
|
|
| 162 |
|
/* Change material for the indicated faces */ |
| 163 |
< |
int changeMaterial(Scene *sc, const char *mname, |
| 163 |
> |
extern int changeMaterial(Scene *sc, const char *mname, |
| 164 |
|
int flreq, int flexc); |
| 165 |
|
|
| 166 |
|
/* Add a vertex to our scene, returning index */ |
| 167 |
< |
int addVertex(Scene *sc, double x, double y, double z); |
| 167 |
> |
extern int addVertex(Scene *sc, double x, double y, double z); |
| 168 |
|
|
| 169 |
|
/* Add a texture coordinate to our scene, returning index */ |
| 170 |
< |
int addTexture(Scene *sc, double u, double v); |
| 170 |
> |
extern int addTexture(Scene *sc, double u, double v); |
| 171 |
|
|
| 172 |
|
/* Add a surface normal to our scene, returning index */ |
| 173 |
< |
int addNormal(Scene *sc, double xn, double yn, double zn); |
| 173 |
> |
extern int addNormal(Scene *sc, double xn, double yn, double zn); |
| 174 |
|
|
| 175 |
|
/* Set current group (sc->lastgrp) to given ID */ |
| 176 |
< |
void setGroup(Scene *sc, const char *nm); |
| 176 |
> |
extern void setGroup(Scene *sc, const char *nm); |
| 177 |
|
|
| 178 |
|
/* Set current material (sc->lastmat) to given ID */ |
| 179 |
< |
void setMaterial(Scene *sc, const char *nm); |
| 179 |
> |
extern void setMaterial(Scene *sc, const char *nm); |
| 180 |
|
|
| 181 |
|
/* Add a new face to our scene, using current group and material */ |
| 182 |
< |
Face * addFace(Scene *sc, VNDX vid[], int nv); |
| 182 |
> |
extern Face * addFace(Scene *sc, VNDX vid[], int nv); |
| 183 |
|
|
| 184 |
+ |
/* Expand bounding box min & max (initialize bbox to all zeroes) */ |
| 185 |
+ |
extern int growBoundingBox(Scene *sc, double bbox[2][3], |
| 186 |
+ |
int flreq, int flexc); |
| 187 |
+ |
|
| 188 |
|
/* Convert all faces with > 3 vertices to triangles */ |
| 189 |
< |
int triangulateScene(Scene *sc); |
| 189 |
> |
extern int triangulateScene(Scene *sc); |
| 190 |
|
|
| 191 |
|
/* Delete unreferenced vertices, normals, texture coords */ |
| 192 |
< |
void deleteUnreferenced(Scene *sc); |
| 192 |
> |
extern void deleteUnreferenced(Scene *sc); |
| 193 |
|
|
| 194 |
|
/* Free a scene */ |
| 195 |
< |
void freeScene(Scene *sc); |
| 195 |
> |
extern void freeScene(Scene *sc); |
| 196 |
|
|
| 197 |
|
/* Find an existing name in a list of names */ |
| 198 |
< |
int findName(const char *nm, const char **nmlist, int n); |
| 198 |
> |
extern int findName(const char *nm, const char **nmlist, int n); |
| 199 |
|
|
| 200 |
|
/* Verbose mode global */ |
| 201 |
|
extern int verbose; |
