dbf-halloween2015

annotate src/dsys/dsys.h @ 3:c37fe5d8a4ed

windows port
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 01 Nov 2015 06:04:28 +0200
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nuclear@0 1 #ifndef DSYS2_H_
nuclear@0 2 #define DSYS2_H_
nuclear@0 3
nuclear@0 4 #include <stdio.h>
nuclear@0 5
nuclear@0 6 struct dsys_demo;
nuclear@0 7 struct dsys_event;
nuclear@0 8
nuclear@0 9 typedef float demotime_t;
nuclear@0 10
nuclear@0 11 enum dsys_evtype {
nuclear@0 12 DSYS_SINGLE,
nuclear@0 13 DSYS_PERIODIC
nuclear@0 14 };
nuclear@0 15
nuclear@0 16 #ifdef __cplusplus
nuclear@0 17 extern "C" {
nuclear@0 18 #endif
nuclear@0 19
nuclear@0 20 struct dsys_demo *dsys_open(const char *fname);
nuclear@0 21 struct dsys_demo *dsys_open_stream(FILE *fp);
nuclear@0 22 void dsys_close(struct dsys_demo *demo);
nuclear@0 23
nuclear@0 24 void dsys_update(struct dsys_demo *demo, demotime_t tm);
nuclear@0 25
nuclear@0 26
nuclear@0 27 void dsys_start(struct dsys_demo *demo);
nuclear@0 28 void dsys_stop(struct dsys_demo *demo);
nuclear@0 29 int dsys_is_running(struct dsys_demo *demo);
nuclear@0 30
nuclear@0 31
nuclear@0 32 demotime_t dsys_duration(struct dsys_demo *demo);
nuclear@0 33 demotime_t dsys_time(struct dsys_demo *demo);
nuclear@0 34 float dsys_progress(struct dsys_demo *demo);
nuclear@0 35
nuclear@0 36 /* seek without continuity */
nuclear@0 37 void dsys_seek(struct dsys_demo *demo, demotime_t tm);
nuclear@0 38 void dsys_seek_norm(struct dsys_demo *demo, float t);
nuclear@0 39
nuclear@0 40 /* seek by accelerating time */
nuclear@0 41 void dsys_warp(struct dsys_demo *demo, demotime_t tm);
nuclear@0 42 void dsys_warp_norm(struct dsys_demo *demo, float t);
nuclear@0 43
nuclear@0 44
nuclear@0 45 /* events */
nuclear@0 46 struct dsys_event *dsys_event(struct dsys_demo *demo, const char *name);
nuclear@0 47
nuclear@0 48 enum dsys_evtype dsys_event_type(struct dsys_event *ev);
nuclear@0 49 float dsys_event_value(struct dsys_event *ev);
nuclear@0 50
nuclear@0 51 int dsys_event_callback(struct dsys_event *ev, void (*func)(struct dsys_event*, void*), void *cls);
nuclear@0 52 int dsys_event_link(struct dsys_event *ev, float *link);
nuclear@0 53
nuclear@0 54 /* event evaluators */
nuclear@0 55 float dsys_eval_step(struct dsys_event *ev, demotime_t t);
nuclear@0 56 float dsys_eval_lerp(struct dsys_event *ev, demotime_t t);
nuclear@0 57 float dsys_eval_sigmoid(struct dsys_event *ev, demotime_t t);
nuclear@0 58
nuclear@0 59 /* time conversion */
nuclear@0 60 demotime_t dsys_sec_to_dtime(float sec);
nuclear@0 61 demotime_t dsys_msec_to_dtime(unsigned long msec);
nuclear@0 62
nuclear@0 63 float dsys_dtime_to_sec(demotime_t tm);
nuclear@0 64 unsigned long dsys_dtime_to_msec(demotime_t tm);
nuclear@0 65
nuclear@0 66 #ifdef __cplusplus
nuclear@0 67 }
nuclear@0 68 #endif
nuclear@0 69
nuclear@0 70
nuclear@0 71 #endif /* DSYS2_H_ */