Detect fixed poses and completely disable animation blending in that case. Fixes entities sometimes reappearing in the wrong pose (e.g. a dead enemy) when lerping is enabled.

engine/Quake/r_alias.c

@@ -642,7 +642,10 @@ void R_DrawAliasModel (entity_t *e)
 	R_SetupEntityTransform (e, &lerpdata);
 
 	UQ_Game_SetEntityTransform(e->num, lerpdata.origin, lerpdata.angles);
-	UQ_Game_UpdateEntityAnimation(e->num, (float)lerpdata.pose1 + lerpdata.blend);
+	if (lerpdata.pose1 == lerpdata.pose2)
+		UQ_Game_UpdateEntityAnimation(e->num, (float)lerpdata.pose1);	// Fixed pose, don't lerp
+	else
+		UQ_Game_UpdateEntityAnimation(e->num, (float)lerpdata.pose1 + lerpdata.blend);
 
 	//
 	// cull it