Fixed BrakeHandle type MHZ_EN57 and brake operation mode selector

DynObj.cpp

@@ -3025,7 +3025,7 @@ bool TDynamicObject::Update(double dt, double dt1)
             }
 
             auto FzadED { 0.0 };
-            if( ( MoverParameters->EpFuse )
+            if( ( MoverParameters->EpFuse && (MoverParameters->BrakeHandle != MHZ_EN57))
              || ( ( MoverParameters->BrakeHandle == MHZ_EN57 )
                && ( MoverParameters->BrakeOpModeFlag & bom_MED ) ) ) {
                 FzadED = std::min( Fzad, FmaxED );

Train.cpp

@@ -193,6 +193,8 @@ TTrain::commandhandler_map const TTrain::m_commandhandlers = {
     { user_command::wheelspinbrakeactivate, &TTrain::OnCommand_wheelspinbrakeactivate },
     { user_command::sandboxactivate, &TTrain::OnCommand_sandboxactivate },
     { user_command::epbrakecontroltoggle, &TTrain::OnCommand_epbrakecontroltoggle },
+	{ user_command::brakeoperationmodeincrease, &TTrain::OnCommand_brakeoperationmodeincrease },
+	{ user_command::brakeoperationmodedecrease, &TTrain::OnCommand_brakeoperationmodedecrease },
     { user_command::brakeactingspeedincrease, &TTrain::OnCommand_brakeactingspeedincrease },
     { user_command::brakeactingspeeddecrease, &TTrain::OnCommand_brakeactingspeeddecrease },
     { user_command::brakeactingspeedsetcargo, &TTrain::OnCommand_brakeactingspeedsetcargo },
@@ -1264,6 +1266,40 @@ void TTrain::OnCommand_epbrakecontroltoggle( TTrain *Train, command_data const &
     }
 }
 
+void TTrain::OnCommand_brakeoperationmodeincrease(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (0 < (Train->mvOccupied->BrakeOpModeFlag * 2) & Train->mvOccupied->BrakeOpModes) {
+			// next mode
+			Train->mvOccupied->BrakeOpModeFlag *= 2;
+			// audio feedback
+			Train->dsbPneumaticSwitch.play();
+			// visual feedback
+			// NOTE: there's no button for brake operation mode switch
+			// TBD, TODO: add brake operation mode switch?
+		}
+	}
+}
+
+void TTrain::OnCommand_brakeoperationmodedecrease(TTrain *Train, command_data const &Command) {
+
+	if (Command.action == GLFW_PRESS) {
+		// only reacting to press, so the switch doesn't flip back and forth if key is held down
+		if (0 < (Train->mvOccupied->BrakeOpModeFlag / 2) & Train->mvOccupied->BrakeOpModes) {
+			// previous mode
+			Train->mvOccupied->BrakeOpModeFlag /= 2;
+			// audio feedback
+			Train->dsbPneumaticSwitch.play();
+			// visual feedback
+			// NOTE: there's no button for brake operation mode switch
+			// TBD, TODO: add brake operation mode switch?
+		}
+	}
+}
+
+
+
 void TTrain::OnCommand_brakeactingspeedincrease( TTrain *Train, command_data const &Command ) {
 
     if( Command.action == GLFW_PRESS ) {

Train.h

@@ -184,6 +184,8 @@ class TTrain
     static void OnCommand_wheelspinbrakeactivate( TTrain *Train, command_data const &Command );
     static void OnCommand_sandboxactivate( TTrain *Train, command_data const &Command );
     static void OnCommand_epbrakecontroltoggle( TTrain *Train, command_data const &Command );
+	static void OnCommand_brakeoperationmodeincrease(TTrain *Train, command_data const &Command);
+	static void OnCommand_brakeoperationmodedecrease(TTrain *Train, command_data const &Command);
     static void OnCommand_brakeactingspeedincrease( TTrain *Train, command_data const &Command );
     static void OnCommand_brakeactingspeeddecrease( TTrain *Train, command_data const &Command );
     static void OnCommand_brakeactingspeedsetcargo( TTrain *Train, command_data const &Command );

command.cpp

@@ -102,6 +102,8 @@ commanddescription_sequence Commands_descriptions = {
     { "motoroverloadrelayreset", command_target::vehicle },
     { "notchingrelaytoggle", command_target::vehicle },
     { "epbrakecontroltoggle", command_target::vehicle },
+	{ "brakeoperationmodeincrease", command_target::vehicle },
+	{ "brakeoperationmodedecrease", command_target::vehicle },
     { "brakeactingspeedincrease", command_target::vehicle },
     { "brakeactingspeeddecrease", command_target::vehicle },
     { "brakeactingspeedsetcargo", command_target::vehicle },

command.h

@@ -96,6 +96,8 @@ enum class user_command {
     motoroverloadrelayreset,
     notchingrelaytoggle,
     epbrakecontroltoggle,
+	brakeoperationmodeincrease,
+	brakeoperationmodedecrease,
     brakeactingspeedincrease,
     brakeactingspeeddecrease,
     brakeactingspeedsetcargo,

keyboardinput.cpp

@@ -333,6 +333,10 @@ keyboard_input::default_bindings() {
         { GLFW_KEY_G },
         // epbrakecontroltoggle
         { GLFW_KEY_Z | keymodifier::control },
+		// brakeoperationmodeincrease
+		{ GLFW_KEY_L | keymodifier::shift },
+		// brakeoperationmodedecrease
+		{ GLFW_KEY_L},
         // brakeactingspeedincrease
         { GLFW_KEY_B | keymodifier::shift },
         // brakeactingspeeddecrease