* Initial commit.

:)

source/GUI/Screen/JoinGameScreen.cpp

@@ -0,0 +1,155 @@
+#include "JoinGameScreen.hpp"
+#include "ProgressScreen.hpp"
+#include "StartMenuScreen.hpp"
+
+JoinGameScreen::JoinGameScreen() :
+	m_btnJoin(2, "Join Game"),
+	m_btnBack(3, "Back")
+{
+}
+
+JoinGameScreen::~JoinGameScreen()
+{
+	if (m_pAvailableGamesList)
+		delete m_pAvailableGamesList;
+}
+
+void JoinGameScreen::buttonClicked(Button* pButton)
+{
+	if (pButton->field_30 == m_btnJoin.field_30)
+	{
+		if (isIndexValid(m_pAvailableGamesList->m_selectedIndex))
+		{
+			m_pMinecraft->joinMultiplayer(m_pAvailableGamesList->m_games[m_pAvailableGamesList->m_selectedIndex]);
+			m_pMinecraft->setScreen(new ProgressScreen);
+
+			m_btnJoin.m_bEnabled = false;
+			m_btnBack.m_bEnabled = false;
+		}
+	}
+
+	if (pButton->field_30 == m_btnBack.field_30)
+	{
+		m_pMinecraft->setScreen(new StartMenuScreen);
+	}
+}
+
+bool JoinGameScreen::handleBackEvent(bool b)
+{
+	if (!b)
+	{
+		m_pMinecraft->cancelLocateMultiplayer();
+		m_pMinecraft->setScreen(new StartMenuScreen);
+	}
+
+	return true;
+}
+
+void JoinGameScreen::init()
+{
+	m_btnBack.m_yPos = m_btnJoin.m_yPos = m_height - 26;
+	m_btnBack.m_width = m_btnJoin.m_width = 120;
+
+	m_btnJoin.m_xPos = m_width / 2 - 124;
+	m_btnBack.m_xPos = m_width / 2 + 4;
+
+	m_buttons.push_back(&m_btnJoin);
+	m_buttons.push_back(&m_btnBack);
+	
+	m_pMinecraft->m_pRakNetInstance->clearServerList();
+
+	m_pAvailableGamesList = new AvailableGamesList(m_pMinecraft, m_width, m_height, 24, m_height - 30, 28);
+
+	m_buttonTabList.push_back(&m_btnJoin);
+	m_buttonTabList.push_back(&m_btnBack);
+}
+
+bool JoinGameScreen::isInGameScreen()
+{
+	return false;
+}
+
+void JoinGameScreen::render(int mouseX, int mouseY, float f)
+{
+	renderBackground();
+	m_pAvailableGamesList->render(mouseX, mouseY, f);
+	Screen::render(mouseX, mouseY, f);
+
+	drawCenteredString(m_pMinecraft->m_pFont, "Scanning for Games...", m_width / 2, 8, 0xFFFFFFFF);
+}
+
+void JoinGameScreen::tick()
+{
+	std::vector<PingedCompatibleServer> *serverList, serverListFiltered;
+	serverList = m_pMinecraft->m_pRakNetInstance->getServerList();
+
+	for (const PingedCompatibleServer& pcs : *serverList)
+	{
+		if (pcs.m_name.GetLength())
+			serverListFiltered.push_back(pcs);
+	}
+	
+	if (serverListFiltered.size() != m_pAvailableGamesList->m_games.size())
+	{
+		PingedCompatibleServer selectedItem;
+
+		if (isIndexValid(m_pAvailableGamesList->m_selectedIndex))
+		{
+			selectedItem = m_pAvailableGamesList->m_games[m_pAvailableGamesList->m_selectedIndex];
+
+			m_pAvailableGamesList->m_games = serverListFiltered;
+			m_pAvailableGamesList->selectItem(-1, false);
+
+			// relocate the new list item, if possible
+			for (int i = 0; i < int(serverListFiltered.size()); i++)
+			{
+				if (serverListFiltered[i].m_address == selectedItem.m_address)
+				{
+					m_pAvailableGamesList->selectItem(i, false);
+					break;
+				}
+			}
+		}
+		else
+		{
+			m_pAvailableGamesList->m_games = serverListFiltered;
+			m_pAvailableGamesList->selectItem(-1, false);
+		}
+	}
+	else if (!serverListFiltered.empty())
+	{
+		// Update the names of the items already in the available games list.
+		// @BUG: What would happen if the filtered server list removes an IP and adds another all in the same tick?
+
+		std::vector<PingedCompatibleServer>* pGames = &m_pAvailableGamesList->m_games;
+		for (int i = int(pGames->size() - 1); i >= 0; i--)
+		{
+			int j = 0;
+			for (; j < int(serverListFiltered.size()); j++)
+			{
+				if (serverListFiltered[j].m_address == (*pGames)[i].m_address)
+					break;
+			}
+
+			if (j == serverListFiltered.size())
+				continue;
+
+			(*pGames)[i].m_name = serverListFiltered[j].m_name;
+		}
+	}
+
+	m_btnJoin.m_bEnabled = isIndexValid(m_pAvailableGamesList->m_selectedIndex);
+}
+
+bool JoinGameScreen::isIndexValid(int idx)
+{
+	if (!m_pAvailableGamesList)
+		return false;
+
+	if (idx < 0)
+		return false;
+	if (idx >= m_pAvailableGamesList->getNumberOfItems())
+		return false;
+
+	return true;
+}