package net.sf.openrocket.rocketcomponent;
+import java.util.List;
+
import net.sf.openrocket.l10n.Translator;
import net.sf.openrocket.material.Material;
import net.sf.openrocket.startup.Application;
import net.sf.openrocket.unit.UnitGroup;
import net.sf.openrocket.util.Prefs;
-import java.util.List;
-
/**
* Class of components with well-defined physical appearance and which have an effect on
* aerodynamic simulation. They have material defined for them, and the mass of the component
*/
public abstract class ExternalComponent extends RocketComponent {
-
+
public enum Finish {
//// Rough
ROUGH("ExternalComponent.Rough", 500e-6),
SMOOTH("ExternalComponent.Smoothpaint", 20e-6),
//// Polished
POLISHED("ExternalComponent.Polished", 2e-6);
-
+
+ private static final Translator trans = Application.getTranslator();
private final String name;
private final double roughnessSize;
-
+
Finish(String name, double roughness) {
this.name = name;
this.roughnessSize = roughness;
}
-
+
public double getRoughnessSize() {
return roughnessSize;
}
-
+
@Override
public String toString() {
- final Translator trans = Application.getTranslator();
return trans.get(name) + " (" + UnitGroup.UNITS_ROUGHNESS.toStringUnit(roughnessSize) + ")";
}
}
-
-
+
+
/**
* The material of the component.
*/
protected Material material = null;
-
+
protected Finish finish = Finish.NORMAL;
-
-
+
+
/**
* Constructor that sets the relative position of the component.
super(relativePosition);
this.material = Prefs.getDefaultComponentMaterial(this.getClass(), Material.Type.BULK);
}
-
+
/**
* Returns the volume of the component. This value is used in calculating the mass
* of the object.
*/
public abstract double getComponentVolume();
-
+
/**
* Calculates the mass of the component as the product of the volume and interior density.
*/
public double getComponentMass() {
return material.getDensity() * getComponentVolume();
}
-
+
/**
* ExternalComponent has aerodynamic effect, so return true.
*/
public boolean isAerodynamic() {
return true;
}
-
+
/**
* ExternalComponent has effect on the mass, so return true.
*/
public boolean isMassive() {
return true;
}
-
-
+
+
public Material getMaterial() {
return material;
}
-
+
public void setMaterial(Material mat) {
if (mat.getType() != Material.Type.BULK) {
throw new IllegalArgumentException("ExternalComponent requires a bulk material" +
" type=" + mat.getType());
}
-
+
if (material.equals(mat))
return;
material = mat;
fireComponentChangeEvent(ComponentChangeEvent.MASS_CHANGE);
}
-
+
public Finish getFinish() {
return finish;
}
-
+
public void setFinish(Finish finish) {
if (this.finish == finish)
return;
this.finish = finish;
fireComponentChangeEvent(ComponentChangeEvent.AERODYNAMIC_CHANGE);
}
-
-
+
+
@Override
protected List<RocketComponent> copyFrom(RocketComponent c) {
ExternalComponent src = (ExternalComponent) c;
this.material = src.material;
return super.copyFrom(c);
}
-
+
}