all launch types can reset story

rsrc/dialogs/reset-story.xml

@@ -0,0 +1,10 @@
+<?xml version='1.0' encoding='UTF-8' standalone='no'?>
+<?xml-stylesheet href="dialog.xsl" type="text/xsl"?>
+<dialog defbtn='reset'>
+	<button name='reset' type='regular' top='50' left='246'>Reset</button>
+	<button name='keep' type='regular' top='50' left='180'>Keep</button>
+	<pict type='dlog' num='19' top='8' left='8'/>
+	<text top='3' left='50' width='254' height='45'>
+		This party is already in the correct scenario. Reset story progress?
+	</text>
+</dialog>

src/game/boe.main.cpp

@@ -83,7 +83,7 @@ std::string scenario_temp_dir_name = "scenario";
 extern fs::path tempDir;
 std::vector<fs::path> extra_scen_dirs;
 boost::optional<std::string> scen_arg_path;
-bool scen_arg_restart = false;
+bool scen_arg_start = false;
 boost::optional<short> scen_arg_town, scen_arg_town_entrance;
 boost::optional<location> scen_arg_out_sec, scen_arg_loc;
 
@@ -313,7 +313,7 @@ static void process_args(int argc, char* argv[]) {
 	// Loading and entering a scenario has to happen after other initialization steps,
 	// so we just save these options for later.
 	cli |= clara::Opt(scen_arg_path, "scen-path")["--scenario"]("Launch a scenario, with the default party if no party is loaded.");
-	cli |= clara::Opt(scen_arg_restart)["--restart"]("Restart of the scenario if the party is already in it. (SDFs will be cleared.)");
+	cli |= clara::Opt(scen_arg_start)["--start"]("Put the party at the starting location of the scenario.");
 	cli |= clara::Opt(scen_arg_town, "town")["--town"]("Put the party in a town.");
 	cli |= clara::Opt(cParseEntrance(scen_arg_town_entrance), "entrance")["--entrance"]("Put the party at a town entrance point.");
 	cli |= clara::Opt(cParseLocation(scen_arg_out_sec), "x,y")["--out-sec"]("Put the party in an outdoor section.");
@@ -386,6 +386,7 @@ static void process_args(int argc, char* argv[]) {
 }
 
 static void handle_scenario_args() {
+	bool resetting = false;
 	if(scen_arg_path){
 		fs::path path = *scen_arg_path;
 
@@ -402,8 +403,13 @@ static void handle_scenario_args() {
 				start_new_game(true);
 			}
 			if(univ.party.is_in_scenario()){
-				if(univ.scenario.scen_name == scenario.scen_name && !scen_arg_restart){
-					// The party is already in the correct scenario and doesn't need to restart
+				if(univ.scenario.scen_name == scenario.scen_name){
+					// The party is already in the correct scenario.
+					// Ask whether to clear SDFs or not
+					if(cChoiceDlog("reset-story",{"reset","keep"}).show() == "reset"){
+						resetting = true;
+						handle_victory(true);
+					}
 				}else{
 					// The party is in a different scenario.
 					// TODO maybe the player should be warned before they're removed from it?
@@ -483,6 +489,11 @@ static void handle_scenario_args() {
 			std::cerr << "--x and --y are required when loading a scenario outdoors" << std::endl;
 			exit(1);
 		}
+	}else if(scen_arg_start){
+		// If restarting the scenario completely, this isn't needed:
+		if(!resetting){
+			debug_return_to_start();
+		}
 	}
 }
 

src/scenedit/scen.main.cpp

@@ -169,7 +169,7 @@ void launch_scenario(eLaunchType type) {
 			return;
 		}
 	}else if(type == eLaunchType::START){
-		args.push_back("--restart");
+		args.push_back("--start");
 	}
 
 	// allow specifying a debug party path as an editor preference