Patch undefined behavior stuff

Source/Entities/ADoor.cpp

@@ -465,11 +465,6 @@ void ADoor::Update() {
 
 	Actor::Update();
 
-	// Start the spinning out of control animation for the motor, start it slow
-	if (!m_Door) {
-		m_SpriteAnimDuration *= 4;
-	}
-
 	if (m_SpriteAnimMode == LOOPWHENOPENCLOSE && m_FrameCount > 1 && (m_DoorState == OPENING || m_DoorState == CLOSING) && m_SpriteAnimTimer.IsPastSimMS(m_SpriteAnimDuration)) {
 		m_Frame = (m_Frame + 1) % m_FrameCount;
 		m_SpriteAnimTimer.Reset();

Source/Entities/Actor.cpp

@@ -1047,6 +1047,7 @@ float Actor::EstimateDigStrength() const {
 }
 
 float Actor::EstimateJumpHeight() const {
+	// Sentinel value that is explicitly checked for within pathfinder code.
 	return FLT_MAX;
 }
 

Source/Entities/Actor.h

@@ -668,7 +668,7 @@ namespace RTE {
 		/// @return The actor's dig strength.
 		virtual float EstimateDigStrength() const;
 
-		/// Estimates how high this actor can jump.
+		/// Estimates how high this actor can jump. Default implementation returns FLT_MAX.
 		/// @return The actor's jump height.
 		virtual float EstimateJumpHeight() const;
 

Source/Managers/WindowMan.cpp

@@ -675,12 +675,14 @@ void WindowMan::DisplaySwitchOut() const {
 	SDL_SetCursor(nullptr);
 }
 
-void WindowMan::HandleWindowExposedEvent(void *userdata, SDL_Event *event) {
+bool WindowMan::HandleWindowExposedEvent(void *userdata, SDL_Event *event) {
 	if (event->type == SDL_EVENT_WINDOW_EXPOSED) {
 		g_WindowMan.SetViewportLetterboxed();
 		g_WindowMan.ClearBackbuffer(false);
 		g_WindowMan.UploadFrame();
 	}
+
+	return true;
 }
 
 void WindowMan::QueueWindowEvent(const SDL_Event& windowEvent) {

Source/Managers/WindowMan.h

@@ -168,8 +168,8 @@ namespace RTE {
 #pragma endregion
 
 #pragma region Concrete Methods
-		/// SDL_EventFilter to hadnle window exposed events for live resize.
-		static void HandleWindowExposedEvent(void* userdata, SDL_Event* event);
+		/// SDL_EventFilter to handle window exposed events for live resize.
+		static bool HandleWindowExposedEvent(void* userdata, SDL_Event* event);
 
 		/// Adds an SDL_Event to the Event queue for processing on Update.
 		/// @param windowEvent The SDL window event to queue.

Source/Menus/ScenarioActivityConfigGUI.cpp

@@ -65,8 +65,6 @@ ScenarioActivityConfigGUI::ScenarioActivityConfigGUI(GUIControlManager* parentCo
 	m_CPULockLabel = dynamic_cast<GUILabel*>(m_GUIControlManager->GetControl("LabelCPUTeamLock"));
 	m_StartErrorLabel = dynamic_cast<GUILabel*>(m_GUIControlManager->GetControl("LabelStartError"));
 	m_StartGameButton = dynamic_cast<GUIButton*>(m_GUIControlManager->GetControl("ButtonStartGame"));
-
-	m_TechListFetched = false;
 }
 
 void ScenarioActivityConfigGUI::PopulateTechComboBoxes() {

Source/Menus/ScenarioActivityConfigGUI.h

@@ -65,16 +65,16 @@ namespace RTE {
 
 		GUIControlManager* m_GUIControlManager; //!< The GUIControlManager which holds all the GUIControls of this menu. Not owned by this.
 
-		const GameActivity* m_SelectedActivity; //!< The Activity this ScenarioActivityConfigGUI is configuring.
-		const GameActivity* m_PreviouslySelectedActivity; //!< The Activity this ScenarioActivityConfigGUI was configuring last, before it got was disabled.
-		Scene* m_SelectedScene; //!< The Scene the selected Activity will be using.
-		int m_LockedCPUTeam = Activity::Teams::NoTeam; //!< Which team the CPU is locked to, if any.
+		const GameActivity* m_SelectedActivity {}; //!< The Activity this ScenarioActivityConfigGUI is configuring.
+		const GameActivity* m_PreviouslySelectedActivity {}; //!< The Activity this ScenarioActivityConfigGUI was configuring last, before it got was disabled.
+		Scene* m_SelectedScene {}; //!< The Scene the selected Activity will be using.
+		int m_LockedCPUTeam { Activity::Teams::NoTeam }; //!< Which team the CPU is locked to, if any.
 
 		bool m_StartingGoldAdjustedManually {}; //!< Whether the player adjusted the starting gold, meaning it should stop automatically adjusting to the difficulty setting default starting gold where applicable.
 
 		Timer m_StartGameButtonBlinkTimer; //!< Timer for blinking the start game button.
 
-		bool m_TechListFetched; //!< Whether the tech list was fetched and each team's ComboBox was populated with it, even if no valid tech modules were added.
+		bool m_TechListFetched {}; //!< Whether the tech list was fetched and each team's ComboBox was populated with it, even if no valid tech modules were added.
 
 		/// GUI elements that compose the Activity setup box.
 		GUICollectionBox* m_ActivityConfigBox;

Source/System/PathFinder.cpp

@@ -172,9 +172,16 @@ int PathFinder::CalculatePath(Vector start, Vector end, std::list<Vector>& pathR
 	// Actors capable of jumping/jetpacking can jump upwards.
 	s_JumpHeight = jumpHeight;
 
-	// How high up we can jump from this node
-	s_JumpHeightVertical = std::max(1, static_cast<int>(jumpHeight / (m_NodeDimension * c_MPP))); // min of 1 so automovers work a bit better
-	s_JumpHeightDiagonal = std::max(1, static_cast<int>((jumpHeight * 0.7F) / (m_NodeDimension * c_MPP)));
+	// How high up we can jump from this node.
+	if(jumpHeight == FLT_MAX) {
+		// Probably quite high.
+		s_JumpHeightVertical = INT_MAX;
+		s_JumpHeightDiagonal = INT_MAX;
+	} else {
+		// Assume at least 1 so automovers work a bit better
+		s_JumpHeightVertical = std::max(1, static_cast<int>(jumpHeight / (m_NodeDimension * c_MPP)));
+		s_JumpHeightDiagonal = std::max(1, static_cast<int>((jumpHeight * 0.7F) / (m_NodeDimension * c_MPP)));
+	}
 
 	// Actors capable of digging can use s_DigStrength to modify the node adjacency cost.
 	s_DigStrength = digStrength;