46
#define KNOTSU(nu) ( (nu)->orderu+ (nu)->pntsu+ (((nu)->flagu & CU_NURB_CYCLIC) ? ((nu)->orderu-1) : 0) )
47
#define KNOTSV(nu) ( (nu)->orderv+ (nu)->pntsv+ (((nu)->flagv & CU_NURB_CYCLIC) ? ((nu)->orderv-1) : 0) )
47
#define KNOTSU(nu) ( (nu)->orderu + (nu)->pntsu + (((nu)->flagu & CU_NURB_CYCLIC) ? ((nu)->orderu - 1) : 0) )
48
#define KNOTSV(nu) ( (nu)->orderv + (nu)->pntsv + (((nu)->flagv & CU_NURB_CYCLIC) ? ((nu)->orderv - 1) : 0) )
49
50
/* Non cyclic nurbs have 1 less segment */
50
#define SEGMENTSU(nu) ( ((nu)->flagu & CU_NURB_CYCLIC) ? (nu)->pntsu : (nu)->pntsu-1 )
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#define SEGMENTSV(nu) ( ((nu)->flagv & CU_NURB_CYCLIC) ? (nu)->pntsv : (nu)->pntsv-1 )
53
#define CU_DO_TILT(cu, nu) (((nu->flag & CU_2D) && (cu->flag & CU_3D)==0) ? 0 : 1)
54
#define CU_DO_RADIUS(cu, nu) ((CU_DO_TILT(cu, nu) || ((cu)->flag & CU_PATH_RADIUS) || (cu)->bevobj || (cu)->ext1!=0.0f || (cu)->ext2!=0.0f) ? 1:0)
57
void unlink_curve(struct Curve *cu);
58
void free_curve_editNurb_keyIndex(struct EditNurb *editnurb);
59
void free_curve_editNurb(struct Curve *cu);
60
void free_curve(struct Curve *cu);
61
void BKE_free_editfont(struct Curve *cu);
62
struct Curve *add_curve(const char *name, int type);
63
struct Curve *copy_curve(struct Curve *cu);
64
void make_local_curve(struct Curve *cu);
65
struct ListBase *curve_editnurbs(struct Curve *cu);
66
short curve_type(struct Curve *cu);
67
void test_curve_type(struct Object *ob);
68
void update_curve_dimension(struct Curve *cu );
69
void tex_space_curve(struct Curve *cu);
70
int count_curveverts(struct ListBase *nurb);
71
int count_curveverts_without_handles(struct ListBase *nurb);
72
void freeNurb(struct Nurb *nu);
73
void freeNurblist(struct ListBase *lb);
74
struct Nurb *duplicateNurb(struct Nurb *nu);
75
void duplicateNurblist(struct ListBase *lb1, struct ListBase *lb2);
76
void test2DNurb(struct Nurb *nu);
77
void minmaxNurb(struct Nurb *nu, float *min, float *max);
79
void nurbs_knot_calc_u(struct Nurb *nu);
80
void nurbs_knot_calc_v(struct Nurb *nu);
82
void makeNurbfaces(struct Nurb *nu, float *coord_array, int rowstride, int resolu, int resolv);
83
void makeNurbcurve(struct Nurb *nu, float *coord_array, float *tilt_array, float *radius_array, float *weight_array, int resolu, int stride);
84
void forward_diff_bezier(float q0, float q1, float q2, float q3, float *p, int it, int stride);
85
float *make_orco_curve(struct Scene *scene, struct Object *ob);
86
float *make_orco_surf(struct Object *ob);
87
void makebevelcurve(struct Scene *scene, struct Object *ob, struct ListBase *disp, int forRender);
89
void makeBevelList(struct Object *ob);
91
void calchandleNurb(struct BezTriple *bezt, struct BezTriple *prev, struct BezTriple *next, int mode);
92
void calchandlesNurb(struct Nurb *nu);
93
void testhandlesNurb(struct Nurb *nu);
94
void autocalchandlesNurb(struct Nurb *nu, int flag);
95
void autocalchandlesNurb_all(ListBase *editnurb, int flag);
96
void sethandlesNurb(ListBase *editnurb, short code);
98
void switchdirectionNurb(struct Nurb *nu);
100
void addNurbPoints(struct Nurb *nu, int number);
101
void addNurbPointsBezier(struct Nurb *nu, int number);
103
float (*curve_getVertexCos(struct Curve *cu, struct ListBase *lb, int *numVerts_r))[3];
104
void curve_applyVertexCos(struct Curve *cu, struct ListBase *lb, float (*vertexCos)[3]);
106
float (*curve_getKeyVertexCos(struct Curve *cu, struct ListBase *lb, float *key))[3];
107
void curve_applyKeyVertexTilts(struct Curve *cu, struct ListBase *lb, float *key);
51
#define SEGMENTSU(nu) ( ((nu)->flagu & CU_NURB_CYCLIC) ? (nu)->pntsu : (nu)->pntsu - 1)
52
#define SEGMENTSV(nu) ( ((nu)->flagv & CU_NURB_CYCLIC) ? (nu)->pntsv : (nu)->pntsv - 1)
54
#define CU_DO_TILT(cu, nu) (((nu->flag & CU_2D) && (cu->flag & CU_3D) == 0) ? 0 : 1)
55
#define CU_DO_RADIUS(cu, nu) ((CU_DO_TILT(cu, nu) || ((cu)->flag & CU_PATH_RADIUS) || (cu)->bevobj || (cu)->ext1 != 0.0f || (cu)->ext2 != 0.0f) ? 1 : 0)
58
void BKE_curve_unlink(struct Curve *cu);
59
void BKE_curve_free(struct Curve *cu);
60
void BKE_curve_editfont_free(struct Curve *cu);
61
struct Curve *BKE_curve_add(struct Main *bmain, const char *name, int type);
62
struct Curve *BKE_curve_copy(struct Curve *cu);
63
void BKE_curve_make_local(struct Curve *cu);
64
short BKE_curve_type_get(struct Curve *cu);
65
void BKE_curve_type_test(struct Object *ob);
66
void BKE_curve_curve_dimension_update(struct Curve *cu);
67
void BKE_curve_texspace_calc(struct Curve *cu);
69
int BKE_curve_minmax(struct Curve *cu, float min[3], float max[3]);
70
int BKE_curve_center_median(struct Curve *cu, float cent[3]);
71
int BKE_curve_center_bounds(struct Curve *cu, float cent[3]);
72
void BKE_curve_translate(struct Curve *cu, float offset[3], int do_keys);
73
void BKE_curve_delete_material_index(struct Curve *cu, int index);
75
ListBase *BKE_curve_nurbs_get(struct Curve *cu);
77
float (*BKE_curve_vertexCos_get(struct Curve *cu, struct ListBase *lb, int *numVerts_r))[3];
78
void BK_curve_vertexCos_apply(struct Curve *cu, struct ListBase *lb, float (*vertexCos)[3]);
80
float (*BKE_curve_keyVertexCos_get(struct Curve *cu, struct ListBase *lb, float *key))[3];
81
void BKE_curve_keyVertexTilts_apply(struct Curve *cu, struct ListBase *lb, float *key);
83
void BKE_curve_editNurb_keyIndex_free(struct EditNurb *editnurb);
84
void BKE_curve_editNurb_free(struct Curve *cu);
85
struct ListBase *BKE_curve_editNurbs_get(struct Curve *cu);
87
float *BKE_curve_make_orco(struct Scene *scene, struct Object *ob);
88
float *BKE_curve_surf_make_orco(struct Object *ob);
90
void BKE_curve_bevelList_make(struct Object *ob);
91
void BKE_curve_bevel_make(struct Scene *scene, struct Object *ob, struct ListBase *disp, int forRender);
93
void BKE_curve_forward_diff_bezier(float q0, float q1, float q2, float q3, float *p, int it, int stride);
97
int BKE_nurbList_index_get_co(struct ListBase *editnurb, const int index, float r_co[3]);
99
int BKE_nurbList_verts_count(struct ListBase *nurb);
100
int BKE_nurbList_verts_count_without_handles(struct ListBase *nurb);
102
void BKE_nurbList_free(struct ListBase *lb);
103
void BKE_nurbList_duplicate(struct ListBase *lb1, struct ListBase *lb2);
104
void BKE_nurbList_handles_set(struct ListBase *editnurb, short code);
106
void BKE_nurbList_handles_autocalc(ListBase *editnurb, int flag);
108
void BKE_nurb_free(struct Nurb *nu);
109
struct Nurb *BKE_nurb_duplicate(struct Nurb *nu);
111
void BKE_nurb_test2D(struct Nurb *nu);
112
void BKE_nurb_minmax(struct Nurb *nu, float min[3], float max[3]);
114
void BKE_nurb_makeFaces(struct Nurb *nu, float *coord_array, int rowstride, int resolu, int resolv);
115
void BKE_nurb_makeCurve(struct Nurb *nu, float *coord_array, float *tilt_array, float *radius_array, float *weight_array, int resolu, int stride);
117
void BKE_nurb_knot_calc_u(struct Nurb *nu);
118
void BKE_nurb_knot_calc_v(struct Nurb *nu);
109
120
/* nurb checks if they can be drawn, also clamp order func */
110
int check_valid_nurb_u(struct Nurb *nu);
111
int check_valid_nurb_v(struct Nurb *nu);
113
int clamp_nurb_order_u(struct Nurb *nu);
114
int clamp_nurb_order_v(struct Nurb *nu);
116
ListBase *BKE_curve_nurbs(struct Curve *cu);
118
int minmax_curve(struct Curve *cu, float min[3], float max[3]);
119
int curve_center_median(struct Curve *cu, float cent[3]);
120
int curve_center_bounds(struct Curve *cu, float cent[3]);
121
void curve_translate(struct Curve *cu, float offset[3], int do_keys);
122
void curve_delete_material_index(struct Curve *cu, int index);
121
int BKE_nurb_check_valid_u(struct Nurb *nu);
122
int BKE_nurb_check_valid_v(struct Nurb *nu);
124
int BKE_nurb_order_clamp_u(struct Nurb *nu);
125
int BKE_nurb_order_clamp_v(struct Nurb *nu);
127
void BKE_nurb_direction_switch(struct Nurb *nu);
129
void BKE_nurb_points_add(struct Nurb *nu, int number);
130
void BKE_nurb_bezierPoints_add(struct Nurb *nu, int number);
132
void BKE_nurb_handle_calc(struct BezTriple *bezt, struct BezTriple *prev, struct BezTriple *next, int mode);
134
void BKE_nurb_handles_calc(struct Nurb *nu);
135
void BKE_nurb_handles_autocalc(struct Nurb *nu, int flag);
136
void BKE_nurb_handles_test(struct Nurb *nu);