diff options
Diffstat (limited to 'common.h')
| -rw-r--r-- | common.h | 79 |
1 files changed, 60 insertions, 19 deletions
@@ -6,38 +6,79 @@ #include <assert.h> #include <math.h> +enum val_type { VEC3D, BOX }; + +struct val { + enum val_type type; +}; + struct vec3d { + enum val_type type; double x; double y; double z; }; -static int vec3d_parse(char *in, struct vec3d *out) +struct box { + enum val_type type; + double min_x; + double min_y; + double min_z; + double max_x; + double max_y; + double max_z; +}; + +static inline double *val_get_index(struct val *val, int index) +{ + switch (val->type) + { + case VEC3D: + struct vec3d *d_v3d = (struct vec3d *)val; + switch (index) + { + case 0: return &d_v3d->x; + case 1: return &d_v3d->y; + case 2: return &d_v3d->z; + default: assert(0); + } + case BOX: + struct box *v_box = (struct box *)val; + switch (index) + { + case 0: return &v_box->min_x; + case 1: return &v_box->min_y; + case 2: return &v_box->min_z; + case 3: return &v_box->max_x; + case 4: return &v_box->max_y; + case 5: return &v_box->max_z; + default: assert(0); + } + default: + assert(0); + } +} + +static int val_parse(char *in, struct val *o) { int i = 0; char *p = strtok(in, ","); + int required_vars = 0; + switch (o->type) + { + case VEC3D: + required_vars = 3; + break; + case BOX: + required_vars = 6; + break; + } while (p != NULL) { - double *ptr; - switch (i ++) - { - case 0: - ptr = &out->x; - break; - case 1: - ptr = &out->y; - break; - case 2: - ptr = &out->z; - break; - default: - assert(0); - break; - } - sscanf(p, "%lf", ptr); + sscanf(p, "%lf", val_get_index(o, i++)); p = strtok(NULL, ","); } - if (i != 3) + if (i != required_vars) { fprintf(stderr, "Invalid Vec3D: %s. Example: -1,1,1.\n", in); return 64; |