Fix: [WIP] Intro window

src/citymania/cm_community_link.cpp

@@ -0,0 +1,87 @@
+#include "cm_community_link.hpp"
+#include "../fileio_func.h"
+
+#include <string>
+#include <cassert>
+
+using namespace citymania;
+using namespace std::literals;
+
+constexpr std::array ALL_COMMUNITIES = { Community::CITYMANIA, Community::NICE, Community::BTPRO };
+static_assert(ALL_COMMUNITIES.size() == Community::NONE);
+
+const std::array COMMUNITIES_FILENAMES = {
+	"citymania.json"s,
+	"nice.json"s,
+	"btpro.json"s
+};
+static_assert(COMMUNITIES_FILENAMES.size() == static_cast<std::size_t>(Community::NONE));
+
+const std::array COMMUNITIES_ADDRESSES = {
+	"citymania.json"s,
+	"https://home.miguelhorta.name/nice.json"s,
+	"btpro.json"s
+};
+static_assert(COMMUNITIES_ADDRESSES.size() == static_cast<std::size_t>(Community::NONE));
+
+CommunityLink::CommunityLink()
+{
+	for (const auto com : ALL_COMMUNITIES) {
+		communities[com].SetPaths(COMMUNITIES_FILENAMES[com], COMMUNITIES_ADDRESSES[com]);
+		communities[com].LoadFromFile();
+	}
+
+	communities[ActiveCommunity()].Refresh();
+}
+
+/*static*/ Community::List CommunityLink::ActiveCommunity()
+{
+	if (_settings_client.gui.cm_active_community <= Community::NONE)
+		return _settings_client.gui.cm_active_community;
+
+	_settings_client.gui.cm_active_community = Community::NONE;
+	return Community::NONE;
+}
+
+Community::Community()
+{
+
+}
+
+void Community::SetPaths(const std::string &filename, const std::string &address)
+{
+	this->filename = filename;
+	this->address = address;
+}
+
+bool Community::Refresh()
+{
+	if (request_in_progress.test_and_set())
+		return false;
+
+	if (this->address.empty())
+		return false;
+
+	NetworkHTTPSocketHandler::Connect(this->address, this);
+}
+
+void Community::OnReceiveData(std::unique_ptr<char[]> data, size_t length)
+{
+	assert(data.get() == nullptr || length != 0);
+
+
+	if (data != nullptr) {
+		/* Append the rest of the response. */
+		std::copy(data.get(), data.get() + length, std::back_inserter(this->http_response));
+		return;
+	} else {
+		/* Make sure the response is properly terminated. */
+		this->http_response.push_back('\0');
+	}
+}
+
+void Community::OnFailure()
+{
+	request_in_progress.clear();
+	http_response.clear();
+}

src/citymania/cm_community_link.hpp

@@ -0,0 +1,60 @@
+#pragma once
+
+#include "../network/network.h" //networking
+#include "../network/core/http.h" //networking
+
+#include <array>
+#include <vector>
+#include <atomic>
+
+namespace citymania {
+
+
+	class Community : public HTTPCallback {
+		void Reset();
+	public:
+		enum List {
+			CITYMANIA = 0,
+			NICE,
+			BTPRO,
+			NONE, // < This has to be the last entry
+		};
+
+		Community();
+		void SetPaths(const std::string&, const std::string&);
+		~Community() = default;
+		void LoadFromFile();
+
+		bool Refresh();
+		void OnReceiveData(std::unique_ptr<char[]> data, size_t length) override;
+		void OnFailure() override;
+		bool IsCancelled() const override { return false; }
+	private:
+		std::string filename;
+		std::string address;
+		std::vector<char> http_response;
+		std::atomic_flag request_in_progress = ATOMIC_FLAG_INIT;
+	};
+
+	class CommunityLink {
+		CommunityLink *instance = nullptr;
+		std::size_t active_community = Community::NONE;
+		std::array<Community, Community::NONE + 1> communities;
+		CommunityLink();
+	public:
+		CommunityLink &inst()
+		{
+			if (!instance) {
+				instance = new CommunityLink();
+			}
+			return *instance;
+		}
+		void OnSeverJoin();
+		void Refresh();
+
+		static Community::List ActiveCommunity();
+	};
+
+}
+
+// TODO block multiple requests

src/lang/english.txt

@@ -6261,6 +6261,12 @@ CM_STR_CONFIG_SETTING_GRAPH_BACKGROUND_HELPTEXT                 :Main background
 CM_STR_CONFIG_SETTING_GRAPH_BACKGROUND_BLACK                    :Black
 CM_STR_CONFIG_SETTING_GRAPH_BACKGROUND_GREY                     :Light grey
 
+# Communities
+CM_STR_COMMUNITY_CITYMANIA                                   :{BLACK}CityMania
+CM_STR_COMMUNITY_NICE                                        :{BLACK}N-ice
+CM_STR_COMMUNITY_BTPRO                                       :{BLACK}BTPro
+CM_STR_COMMUNITY_NONE                                        :{BLACK}None
+
 # Community login window
 CM_STR_LOGIN_WINDOW_CAPTION                                     :{WHITE}Login Window
 CM_STR_LOGIN_WINDOW_CITYMANIA                                   :{BLACK}CityMania

src/table/settings/cmclient_settings.ini

@@ -298,3 +298,15 @@ def      = true
 str      = CM_STR_CONFIG_SETTING_TOOLBAR_DROPDOWN_CLOSE
 strhelp  = CM_STR_CONFIG_SETTING_TOOLBAR_DROPDOWN_CLOSE_HELPTEXT
 cat      = SC_BASIC
+
+[SDTC_CAR]
+var      = gui.cm_active_community
+type     = SLE_UINT8
+flags    = SettingFlag::NotInSave, SettingFlag::NoNetworkSync, SettingFlag::GuiDropdown, SettingFlag::CityMania
+def      = 3
+min      = 0
+max      = 3
+interval = 1
+str      = CM_STR_COMMUNITY_CITYMANIA
+strval   = CM_STR_COMMUNITY_NONE
+cat      = SC_BASIC