SL-20229 Add GenericStreamingMessage and use it to receive GLTF material overrides

1 files changed, 19 insertions, 0 deletions

diff --git a/scripts/messages/message_template.msg b/scripts/messages/message_template.msg
index a3ddc6d336..c019a76793 100755
--- a/scripts/messages/message_template.msg
+++ b/scripts/messages/message_template.msg
@@ -5790,6 +5790,25 @@ version 2.0
 	}
 }
 
+// GenericStreamingMessage
+// Optimized generic message for streaming arbitrary data to viewer
+// Avoid payloads over 7KB (8KB ceiling)
+// Method -- magic number indicating method to use to decode payload:
+//      0x4175 - GLTF material override data
+// Payload -- data to be decoded
+{
+    GenericStreamingMessage High 31 Trusted Unencoded
+    {
+        MethodData Single
+        { Method    U16 }
+    }
+
+    {
+        DataBlock Single
+        { Data Variable 2 }
+    }
+}
+
 // LargeGenericMessage
 // Similar to the above messages, but can handle larger payloads and serialized 
 // LLSD.  Uses HTTP transport