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Transform Snap: initial snap context refactor

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This introduces a snap-context that can be re-used for casting rays into the scene
(by operators such as walk-mode, ruler and transform code).

This can be used to cache data between calls too.
This commit is contained in:
Campbell Barton
2016-04-21 11:29:32 +10:00
parent 8dcdde52b1
commit 19e5540ff7
15 changed files with 1402 additions and 1061 deletions
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10
source/blender/editors/transform/transform.h
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@@ -101,6 +101,11 @@ typedef struct TransSnap {
* where the smallest absolute value defines whats closest.
*/
float (*distance)(struct TransInfo *, const float p1[3], const float p2[3]);
/**
* Re-usable snap context data.
*/
SnapObjectContext *object_context;
} TransSnap;
typedef struct TransCon {
@@ -677,6 +682,7 @@ bool activeSnap(TransInfo *t);
bool validSnap(TransInfo *t);
void initSnapping(struct TransInfo *t, struct wmOperator *op);
void freeSnapping(struct TransInfo *t);
void applyProject(TransInfo *t);
void applyGridAbsolute(TransInfo *t);
void applySnapping(TransInfo *t, float *vec);
@@ -786,4 +792,8 @@ void projectVertSlideData(TransInfo *t, bool is_final);
/* TODO. transform_queries.c */
bool checkUseAxisMatrix(TransInfo *t);
#define TRANSFORM_DIST_MAX_PX 1000.0f
#define TRANSFORM_SNAP_MAX_PX 100.0f
#define TRANSFORM_DIST_INVALID -FLT_MAX
#endif