fix(client): Prevent movies from playing in headless mode (#3066)

Author: Caball009

Core/GameEngine/Source/GameClient/Display.cpp

@@ -201,6 +201,8 @@ void Display::setHeight( UnsignedInt height )
 
 void Display::playMovie( AsciiString movieName)
 {
+	if (TheGlobalData->m_headless)
+		return;
 
 	stopMovie();
 

Generals/Code/GameEngine/Source/GameClient/InGameUI.cpp

@@ -4135,6 +4135,8 @@ void InGameUI::createReplayControl()
 // ------------------------------------------------------------------------------------------------
 void InGameUI::playMovie( const AsciiString& movieName )
 {
+	if (TheGlobalData->m_headless)
+		return;
 
 	stopMovie();
 
@@ -4190,6 +4192,8 @@ VideoBuffer* InGameUI::videoBuffer()
 // ------------------------------------------------------------------------------------------------
 void InGameUI::playCameoMovie( const AsciiString& movieName )
 {
+	if (TheGlobalData->m_headless)
+		return;
 
 	stopCameoMovie();
 

GeneralsMD/Code/GameEngine/Source/GameClient/InGameUI.cpp

@@ -4249,6 +4249,8 @@ void InGameUI::createReplayControl()
 // ------------------------------------------------------------------------------------------------
 void InGameUI::playMovie( const AsciiString& movieName )
 {
+	if (TheGlobalData->m_headless)
+		return;
 
 	stopMovie();
 
@@ -4304,6 +4306,8 @@ VideoBuffer* InGameUI::videoBuffer()
 // ------------------------------------------------------------------------------------------------
 void InGameUI::playCameoMovie( const AsciiString& movieName )
 {
+	if (TheGlobalData->m_headless)
+		return;
 
 	stopCameoMovie();