mirror of
https://github.com/godotengine/godot
synced 2024-11-05 16:53:09 +00:00
0f7af4ea51
-Changed SectionedPropertyEditor to support this -Renamed Globals singleton to GlobalConfig, makes more sense. -Changed the logic behind persisten global settings, instead of the persist checkbox, a revert button is now available
524 lines
14 KiB
C++
524 lines
14 KiB
C++
/*************************************************************************/
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/* undo_redo.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "undo_redo.h"
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#include "os/os.h"
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void UndoRedo::_discard_redo() {
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if (current_action==actions.size()-1)
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return;
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for(int i=current_action+1;i<actions.size();i++) {
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for (List<Operation>::Element *E=actions[i].do_ops.front();E;E=E->next()) {
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if (E->get().type==Operation::TYPE_REFERENCE) {
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Object *obj = ObjectDB::get_instance(E->get().object);
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if (obj)
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memdelete(obj);
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}
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}
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//ERASE do data
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}
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actions.resize(current_action+1);
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}
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void UndoRedo::create_action(const String& p_name,MergeMode p_mode) {
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uint32_t ticks = OS::get_singleton()->get_ticks_msec();
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if (action_level==0) {
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_discard_redo();
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// Check if the merge operation is valid
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if (p_mode!=MERGE_DISABLE && actions.size() && actions[actions.size()-1].name==p_name && actions[actions.size()-1].last_tick+800 > ticks) {
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current_action=actions.size()-2;
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if (p_mode==MERGE_ENDS) {
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// Clear all do ops from last action, and delete all object references
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List<Operation>::Element *E=actions[current_action+1].do_ops.front();
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while (E) {
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if (E->get().type==Operation::TYPE_REFERENCE) {
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Object *obj=ObjectDB::get_instance(E->get().object);
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if (obj)
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memdelete(obj);
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}
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E=E->next();
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actions[current_action+1].do_ops.pop_front();
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}
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}
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actions[actions.size()-1].last_tick=ticks;
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merge_mode=p_mode;
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} else {
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Action new_action;
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new_action.name=p_name;
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new_action.last_tick=ticks;
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actions.push_back(new_action);
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merge_mode=MERGE_DISABLE;
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}
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}
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action_level++;
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}
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void UndoRedo::add_do_method(Object *p_object,const String& p_method,VARIANT_ARG_DECLARE) {
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VARIANT_ARGPTRS
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ERR_FAIL_COND(action_level<=0);
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ERR_FAIL_COND((current_action+1)>=actions.size());
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Operation do_op;
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do_op.object=p_object->get_instance_ID();
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if (p_object->cast_to<Resource>())
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do_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
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do_op.type=Operation::TYPE_METHOD;
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do_op.name=p_method;
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for(int i=0;i<VARIANT_ARG_MAX;i++) {
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do_op.args[i]=*argptr[i];
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}
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actions[current_action+1].do_ops.push_back(do_op);
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}
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void UndoRedo::add_undo_method(Object *p_object,const String& p_method,VARIANT_ARG_DECLARE) {
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VARIANT_ARGPTRS
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ERR_FAIL_COND(action_level<=0);
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ERR_FAIL_COND((current_action+1)>=actions.size());
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// No undo if the merge mode is MERGE_ENDS
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if (merge_mode==MERGE_ENDS)
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return;
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Operation undo_op;
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undo_op.object=p_object->get_instance_ID();
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if (p_object->cast_to<Resource>())
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undo_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
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undo_op.type=Operation::TYPE_METHOD;
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undo_op.name=p_method;
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for(int i=0;i<VARIANT_ARG_MAX;i++) {
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undo_op.args[i]=*argptr[i];
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}
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actions[current_action+1].undo_ops.push_back(undo_op);
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}
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void UndoRedo::add_do_property(Object *p_object,const String& p_property,const Variant& p_value) {
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ERR_FAIL_COND(action_level<=0);
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ERR_FAIL_COND((current_action+1)>=actions.size());
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Operation do_op;
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do_op.object=p_object->get_instance_ID();
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if (p_object->cast_to<Resource>())
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do_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
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do_op.type=Operation::TYPE_PROPERTY;
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do_op.name=p_property;
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do_op.args[0]=p_value;
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actions[current_action+1].do_ops.push_back(do_op);
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}
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void UndoRedo::add_undo_property(Object *p_object,const String& p_property,const Variant& p_value) {
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ERR_FAIL_COND(action_level<=0);
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ERR_FAIL_COND((current_action+1)>=actions.size());
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// No undo if the merge mode is MERGE_ENDS
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if (merge_mode==MERGE_ENDS)
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return;
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Operation undo_op;
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undo_op.object=p_object->get_instance_ID();
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if (p_object->cast_to<Resource>())
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undo_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
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undo_op.type=Operation::TYPE_PROPERTY;
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undo_op.name=p_property;
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undo_op.args[0]=p_value;
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actions[current_action+1].undo_ops.push_back(undo_op);
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}
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void UndoRedo::add_do_reference(Object *p_object) {
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ERR_FAIL_COND(action_level<=0);
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ERR_FAIL_COND((current_action+1)>=actions.size());
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Operation do_op;
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do_op.object=p_object->get_instance_ID();
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if (p_object->cast_to<Resource>())
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do_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
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do_op.type=Operation::TYPE_REFERENCE;
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actions[current_action+1].do_ops.push_back(do_op);
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}
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void UndoRedo::add_undo_reference(Object *p_object) {
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ERR_FAIL_COND(action_level<=0);
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ERR_FAIL_COND((current_action+1)>=actions.size());
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// No undo if the merge mode is MERGE_ENDS
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if (merge_mode==MERGE_ENDS)
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return;
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Operation undo_op;
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undo_op.object=p_object->get_instance_ID();
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if (p_object->cast_to<Resource>())
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undo_op.resref=Ref<Resource>(p_object->cast_to<Resource>());
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undo_op.type=Operation::TYPE_REFERENCE;
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actions[current_action+1].undo_ops.push_back(undo_op);
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}
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void UndoRedo::_pop_history_tail() {
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_discard_redo();
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if (!actions.size())
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return;
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for (List<Operation>::Element *E=actions[0].undo_ops.front();E;E=E->next()) {
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if (E->get().type==Operation::TYPE_REFERENCE) {
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Object *obj = ObjectDB::get_instance(E->get().object);
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if (obj)
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memdelete(obj);
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}
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}
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actions.remove(0);
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current_action--;
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}
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void UndoRedo::commit_action() {
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ERR_FAIL_COND(action_level<=0);
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action_level--;
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if (action_level>0)
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return; //still nested
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redo(); // perform action
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if (max_steps>0 && actions.size()>max_steps) {
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//clear early steps
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while(actions.size() > max_steps)
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_pop_history_tail();
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}
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if (callback && actions.size()>0) {
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callback(callback_ud,actions[actions.size()-1].name);
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}
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}
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void UndoRedo::_process_operation_list(List<Operation>::Element *E) {
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for (;E;E=E->next()) {
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Operation &op=E->get();
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Object *obj = ObjectDB::get_instance(op.object);
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if (!obj) {
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//corruption
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clear_history();
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ERR_FAIL_COND(!obj);
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}
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switch(op.type) {
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case Operation::TYPE_METHOD: {
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obj->call(op.name,VARIANT_ARGS_FROM_ARRAY(op.args));
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#ifdef TOOLS_ENABLED
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Resource* res = obj->cast_to<Resource>();
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if (res)
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res->set_edited(true);
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#endif
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if (method_callback) {
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method_callback(method_callbck_ud,obj,op.name,VARIANT_ARGS_FROM_ARRAY(op.args));
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}
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} break;
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case Operation::TYPE_PROPERTY: {
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obj->set(op.name,op.args[0]);
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#ifdef TOOLS_ENABLED
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Resource* res = obj->cast_to<Resource>();
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if (res)
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res->set_edited(true);
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#endif
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if (property_callback) {
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property_callback(prop_callback_ud,obj,op.name,op.args[0]);
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}
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} break;
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case Operation::TYPE_REFERENCE: {
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//do nothing
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} break;
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}
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}
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}
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void UndoRedo::redo() {
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ERR_FAIL_COND(action_level>0);
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if ((current_action+1)>=actions.size())
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return; //nothing to redo
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current_action++;
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_process_operation_list(actions[current_action].do_ops.front());
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version++;
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}
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void UndoRedo::undo() {
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ERR_FAIL_COND(action_level>0);
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if (current_action<0)
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return; //nothing to redo
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_process_operation_list(actions[current_action].undo_ops.front());
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current_action--;
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version--;
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}
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void UndoRedo::clear_history() {
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ERR_FAIL_COND(action_level>0);
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_discard_redo();
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while(actions.size())
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_pop_history_tail();
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//version++;
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}
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String UndoRedo::get_current_action_name() const {
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ERR_FAIL_COND_V(action_level>0,"");
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if (current_action<0)
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return ""; //nothing to redo
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return actions[current_action].name;
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}
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void UndoRedo::set_max_steps(int p_max_steps) {
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max_steps=p_max_steps;
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}
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int UndoRedo::get_max_steps() const {
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return max_steps;
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}
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uint64_t UndoRedo::get_version() const {
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return version;
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}
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void UndoRedo::set_commit_notify_callback(CommitNotifyCallback p_callback,void* p_ud) {
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callback=p_callback;
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callback_ud=p_ud;
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}
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void UndoRedo::set_method_notify_callback(MethodNotifyCallback p_method_callback,void* p_ud) {
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method_callback=p_method_callback;
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method_callbck_ud=p_ud;
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}
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void UndoRedo::set_property_notify_callback(PropertyNotifyCallback p_property_callback,void* p_ud){
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property_callback=p_property_callback;
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prop_callback_ud=p_ud;
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}
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UndoRedo::UndoRedo() {
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version=1;
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action_level=0;
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current_action=-1;
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max_steps=-1;
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merge_mode=MERGE_DISABLE;
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callback=NULL;
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callback_ud=NULL;
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method_callbck_ud=NULL;
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prop_callback_ud=NULL;
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method_callback=NULL;
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property_callback=NULL;
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}
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UndoRedo::~UndoRedo() {
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clear_history();
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}
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Variant UndoRedo::_add_do_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
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if (p_argcount<2) {
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r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument=0;
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return Variant();
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}
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if (p_args[0]->get_type()!=Variant::OBJECT) {
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r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument=0;
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r_error.expected=Variant::OBJECT;
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return Variant();
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}
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if (p_args[1]->get_type()!=Variant::STRING) {
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r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument=1;
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r_error.expected=Variant::STRING;
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return Variant();
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}
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r_error.error=Variant::CallError::CALL_OK;
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Object* object = *p_args[0];
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String method = *p_args[1];
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Variant v[VARIANT_ARG_MAX];
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for(int i=0;i<MIN(VARIANT_ARG_MAX,p_argcount-2);++i) {
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v[i]=*p_args[i+2];
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}
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add_do_method(object,method,v[0],v[1],v[2],v[3],v[4]);
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return Variant();
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}
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Variant UndoRedo::_add_undo_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
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if (p_argcount<2) {
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r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_error.argument=0;
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return Variant();
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}
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if (p_args[0]->get_type()!=Variant::OBJECT) {
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r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument=0;
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r_error.expected=Variant::OBJECT;
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return Variant();
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}
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if (p_args[1]->get_type()!=Variant::STRING) {
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r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
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r_error.argument=1;
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r_error.expected=Variant::STRING;
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return Variant();
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}
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r_error.error=Variant::CallError::CALL_OK;
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Object* object = *p_args[0];
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String method = *p_args[1];
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Variant v[VARIANT_ARG_MAX];
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for(int i=0;i<MIN(VARIANT_ARG_MAX,p_argcount-2);++i) {
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v[i]=*p_args[i+2];
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}
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add_undo_method(object,method,v[0],v[1],v[2],v[3],v[4]);
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return Variant();
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}
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void UndoRedo::_bind_methods() {
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ClassDB::bind_method(_MD("create_action","name","merge_mode"),&UndoRedo::create_action, DEFVAL(MERGE_DISABLE) );
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ClassDB::bind_method(_MD("commit_action"),&UndoRedo::commit_action);
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//ClassDB::bind_method(_MD("add_do_method","p_object", "p_method", "VARIANT_ARG_LIST"),&UndoRedo::add_do_method);
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//ClassDB::bind_method(_MD("add_undo_method","p_object", "p_method", "VARIANT_ARG_LIST"),&UndoRedo::add_undo_method);
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{
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MethodInfo mi;
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mi.name="add_do_method";
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mi.arguments.push_back( PropertyInfo( Variant::OBJECT, "object"));
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mi.arguments.push_back( PropertyInfo( Variant::STRING, "method"));
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ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT,"add_do_method",&UndoRedo::_add_do_method,mi);
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}
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{
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MethodInfo mi;
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mi.name="add_undo_method";
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mi.arguments.push_back( PropertyInfo( Variant::OBJECT, "object"));
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mi.arguments.push_back( PropertyInfo( Variant::STRING, "method"));
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ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT,"add_undo_method",&UndoRedo::_add_undo_method,mi);
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}
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ClassDB::bind_method(_MD("add_do_property","object", "property", "value:Variant"),&UndoRedo::add_do_property);
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ClassDB::bind_method(_MD("add_undo_property","object", "property", "value:Variant"),&UndoRedo::add_undo_property);
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ClassDB::bind_method(_MD("add_do_reference","object"),&UndoRedo::add_do_reference);
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ClassDB::bind_method(_MD("add_undo_reference","object"),&UndoRedo::add_undo_reference);
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ClassDB::bind_method(_MD("clear_history"),&UndoRedo::clear_history);
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ClassDB::bind_method(_MD("get_current_action_name"),&UndoRedo::get_current_action_name);
|
|
ClassDB::bind_method(_MD("get_version"),&UndoRedo::get_version);
|
|
|
|
BIND_CONSTANT(MERGE_DISABLE);
|
|
BIND_CONSTANT(MERGE_ENDS);
|
|
BIND_CONSTANT(MERGE_ALL);
|
|
}
|