undo/redo for create/delete talk node

src/scenedit/scen.actions.cpp

@@ -534,6 +534,8 @@ static bool handle_rb_action(location the_point, bool option_hit) {
 					if(option_hit) {
 						if(j == size_before)
 							break;
+						undo_list.add(action_ptr(new aCreateDeleteTalkNode(false, cur_town, j, town->talking.talk_nodes[j])));
+						update_edit_menu();
 						town->talking.talk_nodes.erase(town->talking.talk_nodes.begin() + j);
 					} else {
 						bool is_new = false;
@@ -541,8 +543,20 @@ static bool handle_rb_action(location the_point, bool option_hit) {
 							is_new = true;
 							town->talking.talk_nodes.emplace_back();
 						}
-						if((j = edit_talk_node(j)) >= 0 && is_new)
-							town->talking.talk_nodes.erase(town->talking.talk_nodes.begin() + j);
+						if((j = edit_talk_node(j)) >= 0){
+							// Cancel create new
+							if(is_new)
+								town->talking.talk_nodes.erase(town->talking.talk_nodes.begin() + j);
+						}
+						// Create confirmed
+						else if(is_new){
+							undo_list.add(action_ptr(new aCreateDeleteTalkNode(true, cur_town, j, town->talking.talk_nodes[j])));
+							update_edit_menu();
+						}
+						// Edit confirmed
+						else{
+
+						}
 					}
 					start_dialogue_editing();
 					if(size_before > town->talking.talk_nodes.size())

src/scenedit/scen.undo.cpp

@@ -1000,10 +1000,28 @@ bool aEditOutEncounter::redo_me() {
 
 bool aEditPersonality::undo_me() {
 	scenario.towns[town_num]->talking.people[which] = old_pers;
+	// Show the change
+	start_dialogue_editing();
 	return true;
 }
 
 bool aEditPersonality::redo_me() {
 	scenario.towns[town_num]->talking.people[which] = new_pers;
+	// Show the change
+	start_dialogue_editing();
+	return true;
+}
+
+bool aCreateDeleteTalkNode::undo_me() {
+	scenario.towns[town_num]->talking.talk_nodes.erase(scenario.towns[town_num]->talking.talk_nodes.begin() + which);
+	// Show the change
+	start_dialogue_editing();
+	return true;
+}
+
+bool aCreateDeleteTalkNode::redo_me() {
+	scenario.towns[town_num]->talking.talk_nodes.insert(scenario.towns[town_num]->talking.talk_nodes.begin() + which, node);
+	// Show the change
+	start_dialogue_editing();
 	return true;
 }

src/scenedit/scen.undo.hpp

@@ -674,4 +674,15 @@ public:
 		cAction("Edit Personality"), town_num(town_num), which(which), old_pers(old_pers), new_pers(new_pers) {}
 };
 
+class aCreateDeleteTalkNode : public cAction {
+	size_t town_num;
+	size_t which;
+	cSpeech::cNode node;
+	bool undo_me() override;
+	bool redo_me() override;
+public:
+	aCreateDeleteTalkNode(bool create, size_t town_num, size_t which, cSpeech::cNode node) :
+		cAction(create ? "Create Talk Node" : "Delete Talk Node", !create), town_num(town_num), which(which), node(node) {}
+};
+
 #endif