1 files changed, 14 insertions, 0 deletions
diff --git a/engines/glk/magnetic/magnetic.h b/engines/glk/magnetic/magnetic.h
index 33f9a4da5a..4e81e4f5e5 100644
--- a/engines/glk/magnetic/magnetic.h
+++ b/engines/glk/magnetic/magnetic.h
@@ -32,11 +32,25 @@
 namespace Glk {
 namespace Magnetic {
 
+enum GammaMode {
+	GAMMA_OFF, GAMMA_NORMAL, GAMMA_HIGH
+};
+
 /**
  * Magnetic game interpreter
  */
 class Magnetic : public GlkAPI {
 public:
+	GammaMode gms_gamma_mode;
+	bool gms_animation_enabled, gms_prompt_enabled;
+	bool gms_abbreviations_enabled, gms_commands_enabled;
+	bool gms_graphics_enabled;
+private:
+	/**
+	 * Performs initialization
+	 */
+	void initialize();
+public:
 	/**
 	 * Constructor
 	 */