WIP port 4-d quest dialogue modules

extension/tests/port_login_flow_server.cpp

@@ -603,6 +603,19 @@ bool FakeLoginServer::ServeGame(Connection& c, int index)
 	keeper_update.attack_speed = 100;
 	if (!c.Send(keeper) || !c.Send(keeper_info) || !c.Send(keeper_update))
 		return Fail(name + ": send shopkeeper");
+	GCCharacterAdd elder = keeper;
+	elder.vid = kQuestVID;
+	elder.x = kQuestX;
+	elder.y = kQuestY;
+	elder.race = kQuestRace;
+	GCCharAddInfo elder_info = zeroed<GCCharAddInfo>();
+	elder_info.header = HDR_GC_CHAR_ADDITIONAL_INFO;
+	elder_info.vid = kQuestVID;
+	std::strncpy(elder_info.name, "Oldster", sizeof(elder_info.name) - 1);
+	GCCharacterUpdate elder_update = keeper_update;
+	elder_update.vid = kQuestVID;
+	if (!c.Send(elder) || !c.Send(elder_info) || !c.Send(elder_update))
+		return Fail(name + ": send quest NPC");
 	Event(name + ":burst_sent");
 
 	// A ping after the burst proves that GamePhase consumed every packet above and can reply.
@@ -619,6 +632,20 @@ bool FakeLoginServer::ServeGame(Connection& c, int index)
 	bool shopping = false;
 	std::int32_t gold = kStartGold;
 	std::uint32_t bag0 = 0; // vnum in inventory cell 0 (the fake character starts with an empty bag)
+	int quest_page = 0;     // the quest dialogue's last page sent (1 question, 2 next, 3 done)
+	// CQuestManager::SendScript: packet_script {header, size, skin, src_size} and the script text.
+	auto send_script = [&](const std::string& script) {
+		struct
+		{
+			DynHead head;
+			std::uint8_t skin;
+			std::uint16_t src_size;
+		} __attribute__((packed)) head = {{HDR_GC_SCRIPT, static_cast<std::uint16_t>(sizeof(head) + script.size())}, 1 /* QUEST_SKIN_NORMAL */,
+		                                  static_cast<std::uint16_t>(script.size())};
+		std::string bytes(reinterpret_cast<const char*>(&head), sizeof(head));
+		bytes += script;
+		return c.Send(bytes.data(), bytes.size());
+	};
 	for (;;)
 	{
 		std::uint8_t packet[1024] = {};
@@ -759,6 +786,11 @@ bool FakeLoginServer::ServeGame(Connection& c, int index)
 			CGOnClick click;
 			std::memcpy(&click, packet, sizeof(click));
 			Event(name + ":click " + std::to_string(click.vid));
+			// CHARACTER::OnClick → CQuestManager::Click: say(...) then select("Yes", "No") → GotoSelectState.
+			if (click.vid == kQuestVID && !send_script("Greetings, young warrior.[ENTER]Shall I tell you a story?[ENTER][QUESTION 1;Yes|2;No]"))
+				return Fail(name + ": send GC_SCRIPT question");
+			if (click.vid == kQuestVID)
+				quest_page = 1;
 			if (click.vid == kShopVID && !shopping)
 			{
 				shopping = true;
@@ -780,6 +812,25 @@ bool FakeLoginServer::ServeGame(Connection& c, int index)
 					return Fail(name + ": send GC_SHOP START");
 			}
 		}
+		// CInputMain::ScriptAnswer: an answer above 250 is the [NEXT] button (CQuestManager::Resume), the rest pick
+		// a [QUESTION] choice (CQuestManager::Select, 0-based).
+		if (header == HDR_CG_SCRIPT_ANSWER)
+		{
+			const std::uint8_t answer = packet[1];
+			Event(name + ":answer " + std::to_string(answer));
+			if (quest_page == 1 && answer == 0)
+			{
+				quest_page = 2;
+				if (!send_script("Long ago a dragon slept under this village.[ENTER][NEXT]"))
+					return Fail(name + ": send GC_SCRIPT next");
+			}
+			else if (quest_page == 2 && answer > 250)
+			{
+				quest_page = 3;
+				if (!send_script("It sleeps there still.[ENTER][DONE]"))
+					return Fail(name + ": send GC_SCRIPT done");
+			}
+		}
 		// CInputMain::Shop: END → CShop::RemoveGuest (GC_SHOP END); BUY → CShop::Buy (PointChange(POINT_GOLD), then
 		// CItem::AddToCharacter's GC_ITEM_SET into the first empty cell); SELL2 → CShopManager::Sell (the cell empties
 		// with the 42-byte header-20 packet, then PointChange(POINT_GOLD)).

extension/tests/port_login_flow_server.h

@@ -37,6 +37,10 @@ public:
 	static constexpr std::int32_t kShopX = kMobX + 400, kShopY = kMobY;
 	static constexpr std::uint32_t kShopItemVnum = 27001, kShopItemPrice = 50;
 	static constexpr std::int32_t kStartGold = 10000, kShopSellPrice = 9;
+	// An old man (npclist 20009) 3 m east of the store whose click runs a quest dialogue the way CQuestManager
+	// sends it: say + select ([QUESTION]), then a [NEXT] page, then a [DONE] page.
+	static constexpr std::uint32_t kQuestVID = 0x00045678, kQuestRace = 20009;
+	static constexpr std::int32_t kQuestX = kShopX + 300, kQuestY = kShopY;
 
 	~FakeLoginServer();