Make dopesheet settings per-tracking data

It was a bit confusing to synchronize settings used in pre-calculated
dopesheet channels which was storing in tracking data with settings
used for display which is in space data.

This was initially done by converting one flags to other and checking
if space's settings matches pre-calculated one, but that had several
issues if two different dopesheet are using different settings:

- Channels would be re-calculated on every redraw for each of spaces
- Dopesheet operators could fail due to the could be using  channels
  calculated for other space.

That was also quite nasty code checking if requested settings matches
pre-calculated one.

1 files changed, 15 insertions, 3 deletions

diff --git a/source/blender/makesdna/DNA_tracking_types.h b/source/blender/makesdna/DNA_tracking_types.h
index 84ae1835751..850d4361ab7 100644
--- a/source/blender/makesdna/DNA_tracking_types.h
+++ b/source/blender/makesdna/DNA_tracking_types.h
@@ -238,13 +238,16 @@ typedef struct MovieTrackingDopesheetChannel {
 } MovieTrackingDopesheetChannel;
 
 typedef struct MovieTrackingDopesheet {
-	int ok, pad;                /* flag if dopesheet information is still relevant */
+	int ok;                     /* flag if dopesheet information is still relevant */
 
+	short sort_method;          /* method to be used to sort tracks */
+	short flag;                 /* dopesheet building flag such as inverted order of sort */
+
+	/* runtime stuff */
 	ListBase channels;
 	int tot_channel;
 
-	short sort_method;          /* method to be used to sort tracks */
-	short sort_inverse;         /* order of tracks is inverted */
+	int pad;
 } MovieTrackingDopesheet;
 
 typedef struct MovieTracking {
@@ -347,4 +350,13 @@ enum {
 #define TRACKING_CLEAN_DELETE_TRACK     1
 #define TRACKING_CLEAN_DELETE_SEGMENT   2
 
+/* MovieTrackingDopesheet->sort_method */
+#define TRACKING_DOPE_SORT_NAME          0
+#define TRACKING_DOPE_SORT_LONGEST       1
+#define TRACKING_DOPE_SORT_TOTAL         2
+#define TRACKING_DOPE_SORT_AVERAGE_ERROR 3
+
+/* MovieTrackingDopesheet->flag */
+#define TRACKING_DOPE_SORT_INVERSE    (1 << 0)
+
 #endif