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Fix EditorUndoRedoManager's handling of MERGE_ENDS

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This commit is contained in:
kobewi 2023-03-06 01:24:42 +01:00
parent ad9302bafc
commit 38c50b4ed3
1 changed files with 26 additions and 6 deletions
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24
editor/editor_undo_redo_manager.cpp
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@ -248,13 +248,33 @@ void EditorUndoRedoManager::commit_action(bool p_execute) {
}
if (!history.undo_stack.is_empty()) {
const Action &prev_action = history.undo_stack.back()->get();
if (pending_action.merge_mode != UndoRedo::MERGE_DISABLE && pending_action.merge_mode == prev_action.merge_mode && pending_action.action_name == prev_action.action_name) {
// Discard action if it should be merged (UndoRedo handles merging internally).
switch (pending_action.merge_mode) {
case UndoRedo::MERGE_DISABLE:
break; // Nothing to do here.
case UndoRedo::MERGE_ENDS: {
if (history.undo_stack.size() < 2) {
break;
}
const Action &prev_action = history.undo_stack.back()->get();
const Action &pre_prev_action = history.undo_stack.back()->prev()->get();
if (pending_action.merge_mode == prev_action.merge_mode && pending_action.merge_mode == pre_prev_action.merge_mode &&
pending_action.action_name == prev_action.action_name && pending_action.action_name == pre_prev_action.action_name) {
pending_action = Action();
is_committing = false;
return;
}
} break;
case UndoRedo::MERGE_ALL: {
const Action &prev_action = history.undo_stack.back()->get();
if (pending_action.merge_mode == prev_action.merge_mode && pending_action.action_name == prev_action.action_name) {
pending_action = Action();
is_committing = false;
return;
}
} break;
}
}
history.undo_stack.push_back(pending_action);