(svn r1863) Give the effect vehicle type enums more descriptive names and use the enum as parameter type for CreateEffectVehicle*()

-Fix: [1116619] Generate the correct smoke type for diesel trains

water_cmd.c

@@ -601,7 +601,7 @@ static void FloodVehicle(Vehicle *v)
 			NEWS_FLAGS(NM_THIN, NF_VIEWPORT|NF_VEHICLE, NT_ACCIDENT, 0),
 			v->index,
 			0);
-	CreateEffectVehicleRel(v,4,4,8,EV_CRASHED_SMOKE);	// show cool destruction effects
+	CreateEffectVehicleRel(v, 4, 4, 8, EV_EXPLOSION_LARGE); // show cool destruction effects
 	SndPlayVehicleFx(SND_12_EXPLOSION, v); // create sound
 	}
 }