3 files changed, 13 insertions, 3 deletions
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 44f32e0f..26a3bf30 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -464,8 +464,8 @@ struct ALCcontext_struct
 
     ALboolean   Suspended;
 
-    ALenum      DistanceModel;
-    ALboolean   SourceDistanceModel;
+    enum DistanceModel DistanceModel;
+    ALboolean SourceDistanceModel;
 
     ALfloat     DopplerFactor;
     ALfloat     DopplerVelocity;
diff --git a/OpenAL32/Include/alSource.h b/OpenAL32/Include/alSource.h
index 7f50f7ef..d6c3793f 100644
--- a/OpenAL32/Include/alSource.h
+++ b/OpenAL32/Include/alSource.h
@@ -45,7 +45,7 @@ typedef struct ALsource
     ALfloat      vOrientation[3];
     ALboolean    bHeadRelative;
     ALboolean    bLooping;
-    ALenum       DistanceModel;
+    enum DistanceModel DistanceModel;
     ALboolean    VirtualChannels;
 
     enum Resampler Resampler;
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h
index 9ac3b234..dfe600cb 100644
--- a/OpenAL32/Include/alu.h
+++ b/OpenAL32/Include/alu.h
@@ -94,6 +94,16 @@ enum Channel {
     MAXCHANNELS
 };
 
+enum DistanceModel {
+    InverseDistanceClamped  = AL_INVERSE_DISTANCE_CLAMPED,
+    LinearDistanceClamped   = AL_LINEAR_DISTANCE_CLAMPED,
+    ExponentDistanceClamped = AL_EXPONENT_DISTANCE_CLAMPED,
+    InverseDistance  = AL_INVERSE_DISTANCE,
+    LinearDistance   = AL_LINEAR_DISTANCE,
+    ExponentDistance = AL_EXPONENT_DISTANCE,
+    DisableDistance  = AL_NONE
+};
+
 #define BUFFERSIZE 4096
 
 #define FRACTIONBITS (14)