check multimouse on activity start

Author: HeliumAnt

Source/Entities/Activity.cpp

@@ -313,13 +313,17 @@ int Activity::Start() {
 	}
 
 	// Intentionally doing all players, all need controllers
+	std::vector<int> playerControlled;
 	for (int player = Players::PlayerOne; player < Players::MaxPlayerCount; ++player) {
 		m_ViewState[player] = ViewState::Normal;
 
 		m_PlayerController[player].Reset();
 		m_PlayerController[player].Create(Controller::CIM_PLAYER, player);
 		m_PlayerController[player].SetTeam(m_Team[player]);
 
+		if (m_IsHuman[player]) {
+			playerControlled.push_back(player);
+		}
 		m_MessageTimer[player].Reset();
 
 		if (int screenId = ScreenOfPlayer(player); screenId != -1) {
@@ -336,6 +340,8 @@ int Activity::Start() {
 		}
 	}
 
+	g_UInputMan.CheckMultiMouseKeyboardEnabled(playerControlled);
+
 	return 0;
 }
 

Source/Managers/ActivityMan.cpp

@@ -330,6 +330,13 @@ void ActivityMan::ResumeActivity() {
 		m_InActivity = true;
 		m_ActivityNeedsResume = false;
 
+		std::vector<int> humanPlayers;
+		for (int player = 0; player < MaxPlayerCount; player++) {
+			if (m_Activity->PlayerHuman(player)) {
+				humanPlayers.push_back(player);
+			}
+		}
+		g_UInputMan.CheckMultiMouseKeyboardEnabled(humanPlayers);
 		PauseActivity(false);
 		g_TimerMan.PauseSim(false);
 		g_PerformanceMan.ResetPerformanceTimings();

Source/Menus/ScenarioActivityConfigGUI.cpp

@@ -426,10 +426,18 @@ bool ScenarioActivityConfigGUI::HandleInputEvents() {
 				g_GUISound.BackButtonPressSound()->Play();
 				SetEnabled(false);
 			} else if (guiEvent.GetControl() == m_StartGameButton) {
-				g_GUISound.ButtonPressSound()->Play();
-				StartGame();
-				SetEnabled(false);
-				return true;
+				// Make sure all players have known input devices if multimouse is enabled.
+				std::vector humanPlayers = GetHumanPlayers();
+				if (g_UInputMan.CheckMultiMouseKeyboardEnabled(humanPlayers) && g_UInputMan.AllPlayerInputDevicesKnown(humanPlayers)) {
+					g_GUISound.ButtonPressSound()->Play();
+					StartGame();
+					SetEnabled(false);
+					return true;
+				} else {
+					// TODO: Show message and device selection.
+					g_GUISound.UserErrorSound()->Play();
+					return false;
+				}
 			}
 		} else if (guiEvent.GetType() == GUIEvent::Notification) {
 			if (guiEvent.GetControl() == m_ActivityDifficultySlider) {
@@ -454,6 +462,21 @@ bool ScenarioActivityConfigGUI::HandleInputEvents() {
 	return false;
 }
 
+std::vector<int> ScenarioActivityConfigGUI::GetHumanPlayers() {
+	std::vector<int> humanPlayers;
+	for (int player = Players::PlayerOne; player < PlayerColumns::PlayerColumnCount; ++player) {
+		for (int team = Activity::Teams::TeamOne; team < Activity::Teams::MaxTeamCount; ++team) {
+			if (m_PlayerBoxes.at(player).at(team)->GetDrawType() == GUICollectionBox::Image) {
+				if (player != PlayerColumns::PlayerCPU) {
+					humanPlayers.push_back(player);
+					break;
+				}
+			}
+		}
+	}
+	return humanPlayers;
+}
+
 void ScenarioActivityConfigGUI::Draw() {
 	m_GUIControlManager->Draw();
 

Source/Menus/ScenarioActivityConfigGUI.h

@@ -101,6 +101,9 @@ namespace RTE {
 		/// Fills each team's Tech ComboBox with all valid Tech DataModules.
 		void PopulateTechComboBoxes();
 
+		/// Helper function for multimouse support. Creates a list of human controlled players.
+		std::vector<int> GetHumanPlayers();
+
 		/// Resets the configuration screen to the selected Activity's default settings and enables/disables attribute settings accordingly, making the configuration screen ready for interaction.
 		void ResetActivityConfigBox();