Commit: 2dcd02fcc208f39603ac957aa8cfcb2183876a6c
Author: Falk David
Date: Thu Feb 3 19:08:03 2022 +0100
Branches: greasepencil-object
https://developer.blender.org/rB2dcd02fcc208f39603ac957aa8cfcb2183876a6c
Enable undo copy fallback if cache is empty
We cannot have "gaps" in our undo chain, things will quickly fall apart.
===================================================================
M source/blender/editors/gpencil/gpencil_undo.c
===================================================================
diff --git a/source/blender/editors/gpencil/gpencil_undo.c
b/source/blender/editors/gpencil/gpencil_undo.c
index e7d2614081a..9ec863ce45e 100644
--- a/source/blender/editors/gpencil/gpencil_undo.c
+++ b/source/blender/editors/gpencil/gpencil_undo.c
@@ -421,6 +421,10 @@ static bool gpencil_undosys_step_encode(struct bContext *C,
bool only_frame_changed = false;
+ /* TODO: We might need to check if ID_RECALC_ALL is set on the gpd here to
test if we need to
+ * clear the cache. It might be bad to "start" with some cache and add new
update nodes on top.
+ */
+
/* In case the step we are about to encode would be the first in the gpencil
undo system, ensure
* that we do a full-copy. */
if (undo_stack->step_active == NULL ||
@@ -448,7 +452,7 @@ static bool gpencil_undosys_step_encode(struct bContext *C,
/* TODO: Handle this case properly once the update cache is more widly used.
We avoid full-copies
* for now at the expense of to being able to undo them. */
-#if 1
+#if 0
if (!only_frame_changed && gpd->runtime.update_cache == NULL) {
return false;
}
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