User config param overhaul complete, works. If I haven't missed anything, all fields and user parameters, and everything related to simulation can now be declared with the DSL. The only thing that you need to do is to fill the declared symbols with data, like with OpenGL and GLSL.

src/standalone/model/model_rk3.cc

@@ -31,6 +31,16 @@
 #include "host_memory.h"
 #include "model_boundconds.h"
 
+// Standalone flags
+#define LDENSITY (1)
+#define LHYDRO (1)
+#define LMAGNETIC (1)
+#define LENTROPY (1)
+#define LTEMPERATURE (0)
+#define LFORCING (1)
+#define LUPWD (1)
+#define AC_THERMAL_CONDUCTIVITY (AcReal(0.001)) // TODO: make an actual config parameter
+
 typedef struct {
     ModelScalar x, y, z;
 } ModelVector;