engine: platform: add improved Platform_Vibrate2 function, that allow…

…s to control vibration strength
FWGS · Feb 1, 2025 · 1b44d77 · 1b44d77
1 parent 694c630
commit 1b44d77
Show file tree

Hide file tree

Showing 2 changed files with 23 additions and 11 deletions.
diff --git a/engine/platform/platform.h b/engine/platform/platform.h
@@ -199,7 +199,8 @@ static inline void Sys_RestoreCrashHandler( void )
 
 ==============================================================================
 */
-void Platform_Vibrate( float life, char flags );
+void Platform_Vibrate( float life, char flags ); // left for compatibility
+void Platform_Vibrate2( float time, int low_freq, int high_freq, uint flags );
 
 /*
 ==============================================================================

diff --git a/engine/platform/sdl/joy_sdl.c b/engine/platform/sdl/joy_sdl.c
@@ -196,26 +196,37 @@ void SDLash_HandleGameControllerEvent( SDL_Event *ev )
 	}
 }
 
-/*
-=============
-Platform_Vibrate
-
-=============
-*/
-void Platform_Vibrate( float time, char flags )
+void Platform_Vibrate2( float time, int val1, int val2, uint flags )
 {
 #if SDL_VERSION_ATLEAST( 2, 0, 9 )
 	SDL_GameController *gc = g_current_gamepad;
+	Uint32 ms;
 
 	if( g_current_gamepad_id < 0 || !gc )
 		return;
 
-	// a1ba: time is in milliseconds but might be not enough
-	// to spin up rumble
-	SDL_GameControllerRumble( gc, 0xFFFF, 0xFFFF, (int)floor( time ));
+	if( val1 < 0 )
+		val1 = COM_RandomLong( 0x7FFF, 0xFFFF );
+
+	if( val2 < 0 )
+		val2 = COM_RandomLong( 0x7FFF, 0xFFFF );
+
+	ms = (Uint32)ceil( time );
+	SDL_GameControllerRumble( gc, val1, val2, ms );
 #endif // SDL_VERSION_ATLEAST( 2, 0, 9 )
 }
 
+/*
+=============
+Platform_Vibrate
+
+=============
+*/
+void Platform_Vibrate( float time, char flags )
+{
+	Platform_Vibrate2( time, -1, -1, flags );
+}
+
 /*
 =============
 Platform_JoyInit