1 files changed, 18 insertions, 0 deletions
diff --git a/Minecraft.Client/Common/Tutorial/InputConstraint.cpp b/Minecraft.Client/Common/Tutorial/InputConstraint.cpp
new file mode 100644
index 00000000..a26d3eb1
--- /dev/null
+++ b/Minecraft.Client/Common/Tutorial/InputConstraint.cpp
@@ -0,0 +1,18 @@
+#include "stdafx.h"
+#include "InputConstraint.h"
+
+bool InputConstraint::isMappingConstrained(int iPad, int mapping)
+{
+	// If it's a menu button, then we ignore all inputs
+	if((m_inputMapping == mapping) || (mapping < ACTION_MAX_MENU))
+	{
+		return true;
+	}
+	
+	// Otherwise see if they map to the same actual button
+	unsigned char layoutMapping = InputManager.GetJoypadMapVal( iPad );
+
+	// 4J HEG - Replaced the equivalance test with bitwise AND, important in some mapping configurations
+	// (e.g. when comparing two action map values and one has extra buttons mapped)
+	return (InputManager.GetGameJoypadMaps(layoutMapping,m_inputMapping) & InputManager.GetGameJoypadMaps(layoutMapping,mapping)) > 0;
+}