diff options
Diffstat (limited to 'src/modules/stars')
| -rw-r--r-- | src/modules/stars/stars.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/modules/stars/stars.c b/src/modules/stars/stars.c index 055a495..288057f 100644 --- a/src/modules/stars/stars.c +++ b/src/modules/stars/stars.c @@ -1,3 +1,4 @@ +#include <errno.h> #include <stdint.h> #include <stdlib.h> #include <string.h> @@ -17,8 +18,6 @@ #define DEFAULT_ROT_ADJ .00003 -static float stars_rot_adj = DEFAULT_ROT_ADJ; - struct points { float x, y, z; @@ -35,6 +34,14 @@ typedef struct stars_context_t { float offset_angle; } stars_context_t; +typedef struct stars_setup_t { + float rot_adj; +} stars_setup_t; + +static stars_setup_t stars_default_setup = { + .rot_adj = DEFAULT_ROT_ADJ, +}; + float get_random_unit_coord() { return (((float)rand()/(float)RAND_MAX)*2.0)-1.0; @@ -47,12 +54,15 @@ static void * stars_create_context(unsigned ticks, unsigned num_cpus, void *setu float z; struct points* p_ptr = NULL; + if (!setup) + setup = &stars_default_setup; + ctxt = malloc(sizeof(stars_context_t)); if (!ctxt) return NULL; ctxt->points = NULL; - ctxt->rot_adj = stars_rot_adj; + ctxt->rot_adj = ((stars_setup_t *)setup)->rot_adj; ctxt->rot_rate = 0.00; ctxt->rot_angle = 0; ctxt->offset_x = 0.5; @@ -230,7 +240,17 @@ int stars_setup(const til_settings_t *settings, til_setting_t **res_setting, con if (r) return r; - sscanf(rot_adj, "%f", &stars_rot_adj); + if (res_setup) { + stars_setup_t *setup; + + setup = calloc(1, sizeof(*setup)); + if (!setup) + return -ENOMEM; + + sscanf(rot_adj, "%f", &setup->rot_adj); + + *res_setup = setup; + } return 0; } |