e9bbb97acc
-ability to edit multiple scenes at the same time -resource internal IDs are now persistent, this makes multiple scene editing possible but maaaaay result in file corruption bugs (tested and could not find anything but possibility exists because core code changed, report immediately if you find this). -properly save settings, layout, etc when edited -script editing is independent from scene editing now -show a yellow box when a script belongs to the scene
343 lines
8.7 KiB
C++
343 lines
8.7 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) 2007-2015 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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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,bool p_mergeable) {
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if (action_level==0) {
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_discard_redo();
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if (p_mergeable && actions.size() && actions[actions.size()-1].name==p_name) {
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//old will replace new (it's mergeable after all)
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// should check references though!
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current_action=actions.size()-2;
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actions[current_action+1].do_ops.clear();
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//actions[current_action+1].undo_ops.clear(); - no, this is kept
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merging=true;
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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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actions.push_back(new_action);
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merging=false;
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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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if (merging)
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return; //- no undo if merging
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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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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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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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} 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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} 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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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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merging=true;
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callback=NULL;
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callback_ud=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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