// model.hxx - manage a 3D aircraft model.
// Written by David Megginson, started 2002.
//
// This file is in the Public Domain, and comes with no warranty.

#ifndef __MODEL_HXX
#define __MODEL_HXX 1

#ifndef __cplusplus
# error This library requires C++
#endif

#include <vector>

SG_USING_STD(vector);

#include <plib/sg.h>
#include <plib/ssg.h>

#include <simgear/props/props.hxx>


// Has anyone done anything *really* stupid, like making min and max macros?
#ifdef min
#undef min
#endif
#ifdef max
#undef max
#endif


/**
 * Load a 3D model with or without XML wrapper.  Note, this version
 * Does not know about or load the panel/cockpit information.  Use the
 * "model_panel.hxx" version if you want to load an aircraft
 * (i.e. ownship) with a panel.
 *
 * If the path ends in ".xml", then it will be used as a property-
 * list wrapper to add animations to the model.
 *
 * Subsystems should not normally invoke this function directly;
 * instead, they should use the FGModelLoader declared in loader.hxx.
 */
ssgBranch * fgLoad3DModel( const string& fg_root, const string &path,
                           SGPropertyNode *prop_root, double sim_time_sec );


/**
 * Make an offset matrix from rotations and position offset.
 */
void
fgMakeOffsetsMatrix( sgMat4 * result, double h_rot, double p_rot, double r_rot,
                     double x_off, double y_off, double z_off );

/**
 * Make the animation
 */
void
fgMakeAnimation( ssgBranch * model,
                 const char * name,
                 vector<SGPropertyNode_ptr> &name_nodes,
                 SGPropertyNode *prop_root,
                 SGPropertyNode_ptr node,
                 double sim_time_sec );


#endif // __MODEL_HXX