1.1 --- a/src/anim.h	Sat Nov 16 12:31:03 2013 +0200
     1.2 +++ b/src/anim.h	Mon Dec 09 04:06:30 2013 +0200
     1.3 @@ -42,6 +42,9 @@
     1.4  	pthread_key_t cache_key;
     1.5  	pthread_mutex_t cache_list_lock;
     1.6  
     1.7 +	/* matrix calculated by anm_eval functions (no locking, meant as a pre-pass) */
     1.8 +	mat4_t matrix;
     1.9 +
    1.10  	struct anm_node *parent;
    1.11  	struct anm_node *child;
    1.12  	struct anm_node *next;
    1.13 @@ -95,10 +98,24 @@
    1.14  void anm_set_pivot(struct anm_node *node, vec3_t pivot);
    1.15  vec3_t anm_get_pivot(struct anm_node *node);
    1.16  
    1.17 +/* those return the start and end times of the whole tree */
    1.18 +anm_time_t anm_get_start_time(struct anm_node *node);
    1.19 +anm_time_t anm_get_end_time(struct anm_node *node);
    1.20 +
    1.21  /* these calculate the matrix and inverse matrix of this node alone */
    1.22  void anm_get_node_matrix(struct anm_node *node, mat4_t mat, anm_time_t tm);
    1.23  void anm_get_node_inv_matrix(struct anm_node *node, mat4_t mat, anm_time_t tm);
    1.24  
    1.25 +/* ---- top-down matrix calculation interface ---- */
    1.26 +
    1.27 +/* calculate and set the matrix of this node */
    1.28 +void anm_eval_node(struct anm_node *node, anm_time_t tm);
    1.29 +/* calculate and set the matrix of this node and all its children recursively */
    1.30 +void anm_eval(struct anm_node *node, anm_time_t tm);
    1.31 +
    1.32 +
    1.33 +/* ---- bottom-up lazy matrix calculation interface ---- */
    1.34 +
    1.35  /* These calculate the matrix and inverse matrix of this node taking hierarchy
    1.36   * into account. The results are cached in thread-specific storage and returned
    1.37   * if there's no change in time or tracks from the last query...
    1.38 @@ -106,10 +123,6 @@
    1.39  void anm_get_matrix(struct anm_node *node, mat4_t mat, anm_time_t tm);
    1.40  void anm_get_inv_matrix(struct anm_node *node, mat4_t mat, anm_time_t tm);
    1.41  
    1.42 -/* those return the start and end times of the whole tree */
    1.43 -anm_time_t anm_get_start_time(struct anm_node *node);
    1.44 -anm_time_t anm_get_end_time(struct anm_node *node);
    1.45 -
    1.46  #ifdef __cplusplus
    1.47  }
    1.48  #endif