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A extension must inherit from one of the types, implement some generic basic 3 methods for the interface, and implement the specific methods of the extension type its writing (it depends in avery type).
Example of a basic extension implementing generic methods.
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class CubeExampleExtension : public CgeometryLoaderExtension
{
// Macro for burocracy, parameters: extension name, main class in the extension, and the version number
DECLARE_EXTENSION_METHODS( "CubeExample", CubeExampleExtension, 1 )
public:
//declare internal variables for calculation, it must include at least variables for storing extensionData values
double cubeSize;
CubeExampleExtension()
{
// create here the editable values of the extensions, they can be modified when used,
// getExtensionData returns the internal MxParamList to create new fields
// check MxParamList for all possibilities of types creation
//create parameter with Namename, default value, minimum value and maximum value
getExtensionData()->createDouble( "Cube size", 1.0, 0, 1000 );
}
~CubeExampleExtension()
{
//not needed to implement since we don't reserve memory.
}
bool initialize()
{
//We must at least copy the extensionData values to internal variables, this will be called usually just one time,
//before maxwell needs it
getExtensionData()->getDouble( "Cube size", cubeSize );//Get the parameter value and store it before using it
return true;
}
bool loadMesh( Cmaxwell::Cobject &cube )
{
...
// CgeometryLoaderExtension method, will be explained in the corresponding chapter
...
}
bool getBoundingBox( Cvector &bmin, Cvector& bmax)
{
...
// CgeometryLoaderExtension method, will be explained in the corresponding chapter
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} |
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