libanim
diff src/anim.h @ 0:fad4701f484e
libanim mercurial repo
author | John Tsiombikas <nuclear@mutantstargoat.com> |
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date | Sun, 08 Jan 2012 05:13:13 +0200 |
parents | |
children | 69654793abc3 |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/anim.h Sun Jan 08 05:13:13 2012 +0200 1.3 @@ -0,0 +1,107 @@ 1.4 +#ifndef LIBANIM_H_ 1.5 +#define LIBANIM_H_ 1.6 + 1.7 +#include "config.h" 1.8 + 1.9 +#include <pthread.h> 1.10 + 1.11 +#include <vmath/vmath.h> 1.12 +#include "track.h" 1.13 + 1.14 +enum { 1.15 + ANM_TRACK_POS_X, 1.16 + ANM_TRACK_POS_Y, 1.17 + ANM_TRACK_POS_Z, 1.18 + 1.19 + ANM_TRACK_ROT_X, 1.20 + ANM_TRACK_ROT_Y, 1.21 + ANM_TRACK_ROT_Z, 1.22 + ANM_TRACK_ROT_W, 1.23 + 1.24 + ANM_TRACK_SCL_X, 1.25 + ANM_TRACK_SCL_Y, 1.26 + ANM_TRACK_SCL_Z, 1.27 + 1.28 + ANM_NUM_TRACKS 1.29 +}; 1.30 + 1.31 +struct anm_node { 1.32 + char *name; 1.33 + 1.34 + struct anm_track tracks[ANM_NUM_TRACKS]; 1.35 + vec3_t pivot; 1.36 + 1.37 + /* matrix cache */ 1.38 + struct mat_cache { 1.39 + mat4_t matrix, inv_matrix; 1.40 + anm_time_t time, inv_time; 1.41 + struct mat_cache *next; 1.42 + } *cache_list; 1.43 + pthread_key_t cache_key; 1.44 + pthread_mutex_t cache_list_lock; 1.45 + 1.46 + struct anm_node *parent; 1.47 + struct anm_node *child; 1.48 + struct anm_node *next; 1.49 +}; 1.50 + 1.51 +#ifdef __cplusplus 1.52 +extern "C" { 1.53 +#endif 1.54 + 1.55 +/* node constructor and destructor */ 1.56 +int anm_init_node(struct anm_node *node); 1.57 +void anm_destroy_node(struct anm_node *node); 1.58 + 1.59 +/* recursively destroy an animation node tree */ 1.60 +void anm_destroy_node_tree(struct anm_node *tree); 1.61 + 1.62 +/* helper functions to allocate/construct and destroy/free with 1.63 + * a single call. They call anm_init_node and anm_destroy_node 1.64 + * internally. 1.65 + */ 1.66 +struct anm_node *anm_create_node(void); 1.67 +void anm_free_node(struct anm_node *node); 1.68 + 1.69 +/* recursively destroy and free the nodes of a node tree */ 1.70 +void anm_free_node_tree(struct anm_node *tree); 1.71 + 1.72 +int anm_set_node_name(struct anm_node *node, const char *name); 1.73 +const char *anm_get_node_name(struct anm_node *node); 1.74 + 1.75 +void anm_set_interpolator(struct anm_node *node, enum anm_interpolator in); 1.76 +void anm_set_extrapolator(struct anm_node *node, enum anm_extrapolator ex); 1.77 + 1.78 +/* link and unlink nodes with parent/child relations */ 1.79 +void anm_link_node(struct anm_node *parent, struct anm_node *child); 1.80 +int anm_unlink_node(struct anm_node *parent, struct anm_node *child); 1.81 + 1.82 +void anm_set_position(struct anm_node *node, vec3_t pos, anm_time_t tm); 1.83 +vec3_t anm_get_node_position(struct anm_node *node, anm_time_t tm); 1.84 + 1.85 +void anm_set_rotation(struct anm_node *node, quat_t rot, anm_time_t tm); 1.86 +quat_t anm_get_node_rotation(struct anm_node *node, anm_time_t tm); 1.87 + 1.88 +void anm_set_scaling(struct anm_node *node, vec3_t scl, anm_time_t tm); 1.89 +vec3_t anm_get_node_scaling(struct anm_node *node, anm_time_t tm); 1.90 + 1.91 +/* these three return the full p/r/s taking hierarchy into account */ 1.92 +vec3_t anm_get_position(struct anm_node *node, anm_time_t tm); 1.93 +quat_t anm_get_rotation(struct anm_node *node, anm_time_t tm); 1.94 +vec3_t anm_get_scaling(struct anm_node *node, anm_time_t tm); 1.95 + 1.96 +void anm_set_pivot(struct anm_node *node, vec3_t pivot); 1.97 +vec3_t anm_get_pivot(struct anm_node *node); 1.98 + 1.99 +void anm_get_matrix(struct anm_node *node, mat4_t mat, anm_time_t tm); 1.100 +void anm_get_inv_matrix(struct anm_node *node, mat4_t mat, anm_time_t tm); 1.101 + 1.102 +/* those return the start and end times of the whole tree */ 1.103 +anm_time_t anm_get_start_time(struct anm_node *node); 1.104 +anm_time_t anm_get_end_time(struct anm_node *node); 1.105 + 1.106 +#ifdef __cplusplus 1.107 +} 1.108 +#endif 1.109 + 1.110 +#endif /* LIBANIM_H_ */