#include <vector>
#include <string>
+#include <boost/array.hpp>
-/** STL Structure used to store object information */
+#define MAX_TC_SETS (4)
+#define MAX_VAS (8)
+
+// I really want to pass around fixed length arrays, as the size
+// has to be hardcoded
+// but it's a C++0x feature use boost in its absence
+typedef boost::array<int_list, MAX_TC_SETS> tci_list;
+typedef boost::array<int_list, MAX_VAS> vai_list;
+
+/** STL Structure used to store (integer index) object information */
typedef std::vector < int_list > group_list;
typedef group_list::iterator group_list_iterator;
typedef group_list::const_iterator const_group_list_iterator;
+/** STL Structure used to store (tc index) object information */
+typedef std::vector < tci_list > group_tci_list;
+typedef group_tci_list::iterator group_tci_list_iterator;
+typedef group_tci_list::const_iterator const_group_tci_list_iterator;
+
+/** STL Structure used to store (va index) object information */
+typedef std::vector < vai_list > group_vai_list;
+typedef group_vai_list::iterator group_vai_list_iterator;
+typedef group_vai_list::const_iterator const_group_vai_list_iterator;
+
+
// forward decls
class SGBucket;
class SGPath;
+class SGBinObjectPoint {
+public:
+ std::string material;
+ int_list v_list;
+ int_list n_list;
+ int_list c_list;
+
+ void clear( void ) {
+ material = "";
+ v_list.clear();
+ n_list.clear();
+ c_list.clear();
+ };
+};
+
+class SGBinObjectTriangle {
+public:
+ std::string material;
+ int_list v_list;
+ int_list n_list;
+ int_list c_list;
+
+ tci_list tc_list;
+ vai_list va_list;
+
+ void clear( void ) {
+ material = "";
+ v_list.clear();
+ n_list.clear();
+ c_list.clear();
+ for ( unsigned int i=0; i<MAX_TC_SETS; i++ ) {
+ tc_list[i].clear();
+ }
+ for ( unsigned int i=0; i<MAX_VAS; i++ ) {
+ va_list[i].clear();
+ }
+ };
+
+};
+
+
+
/**
* A class to manipulate the simgear 3d object format.
* This class provides functionality to both read and write the binary format.
SGVec3d gbs_center;
float gbs_radius;
- std::vector<SGVec3d> wgs84_nodes; // vertex list
- std::vector<SGVec4f> colors; // color list
- std::vector<SGVec3f> normals; // normal list
- std::vector<SGVec2f> texcoords; // texture coordinate list
-
- group_list pts_v; // points vertex index
- group_list pts_n; // points normal index
- group_list pts_c; // points color index
- group_list pts_tc; // points texture coordinate index
- string_list pt_materials; // points materials
-
- group_list tris_v; // triangles vertex index
- group_list tris_n; // triangles normal index
- group_list tris_c; // triangles color index
- group_list tris_tc; // triangles texture coordinate index
- string_list tri_materials; // triangles materials
-
- group_list strips_v; // tristrips vertex index
- group_list strips_n; // tristrips normal index
- group_list strips_c; // tristrips color index
- group_list strips_tc; // tristrips texture coordinate index
- string_list strip_materials;// tristrips materials
-
- group_list fans_v; // fans vertex index
- group_list fans_n; // fans normal index
- group_list fans_c; // fans color index
- group_list fans_tc; // fans texture coordinate index
- string_list fan_materials; // fans materials
+ std::vector<SGVec3d> wgs84_nodes; // vertex list
+ std::vector<SGVec4f> colors; // color list
+ std::vector<SGVec3f> normals; // normal list
+ std::vector<SGVec2f> texcoords; // texture coordinate list
+ std::vector<float> va_flt; // vertex attribute list (floats)
+ std::vector<int> va_int; // vertex attribute list (ints)
+
+ group_list pts_v; // points vertex index
+ group_list pts_n; // points normal index
+ group_list pts_c; // points color index
+ group_tci_list pts_tcs; // points texture coordinates ( up to 4 sets )
+ group_vai_list pts_vas; // points vertex attributes ( up to 8 sets )
+ string_list pt_materials; // points materials
+
+ group_list tris_v; // triangles vertex index
+ group_list tris_n; // triangles normal index
+ group_list tris_c; // triangles color index
+ group_tci_list tris_tcs; // triangles texture coordinates ( up to 4 sets )
+ group_vai_list tris_vas; // triangles vertex attributes ( up to 8 sets )
+ string_list tri_materials; // triangles materials
+
+ group_list strips_v; // tristrips vertex index
+ group_list strips_n; // tristrips normal index
+ group_list strips_c; // tristrips color index
+ group_tci_list strips_tcs; // tristrips texture coordinates ( up to 4 sets )
+ group_vai_list strips_vas; // tristrips vertex attributes ( up to 8 sets )
+ string_list strip_materials; // tristrips materials
+
+ group_list fans_v; // fans vertex index
+ group_list fans_n; // fans normal index
+ group_list fans_c; // fans color index
+ group_tci_list fans_tcs; // fanss texture coordinates ( up to 4 sets )
+ group_vai_list fans_vas; // fans vertex attributes ( up to 8 sets )
+ string_list fan_materials; // fans materials
void read_properties(gzFile fp, int nproperties);
group_list& vertices,
group_list& normals,
group_list& colors,
- group_list& texCoords,
+ group_tci_list& texCoords,
+ group_vai_list& vertexAttribs,
string_list& materials);
void write_header(gzFile fp, int type, int nProps, int nElements);
- void write_objects(gzFile fp, int type, const group_list& verts,
- const group_list& normals, const group_list& colors,
- const group_list& texCoords, const string_list& materials);
+ void write_objects(gzFile fp,
+ int type,
+ const group_list& verts,
+ const group_list& normals,
+ const group_list& colors,
+ const group_tci_list& texCoords,
+ const group_vai_list& vertexAttribs,
+ const string_list& materials);
unsigned int count_objects(const string_list& materials);
-public:
-
+
+public:
inline unsigned short get_version() const { return version; }
inline const SGVec3d& get_gbs_center() const { return gbs_center; }
inline float get_gbs_radius() const { return gbs_radius; }
inline void set_gbs_radius( float r ) { gbs_radius = r; }
- inline const std::vector<SGVec3d>& get_wgs84_nodes() const
- { return wgs84_nodes; }
- inline void set_wgs84_nodes( const std::vector<SGVec3d>& n )
- { wgs84_nodes = n; }
+ inline const std::vector<SGVec3d>& get_wgs84_nodes() const { return wgs84_nodes; }
+ inline void set_wgs84_nodes( const std::vector<SGVec3d>& n ) { wgs84_nodes = n; }
inline const std::vector<SGVec4f>& get_colors() const { return colors; }
inline void set_colors( const std::vector<SGVec4f>& c ) { colors = c; }
inline const std::vector<SGVec2f>& get_texcoords() const { return texcoords; }
inline void set_texcoords( const std::vector<SGVec2f>& t ) { texcoords = t; }
+ // Points API
+ bool add_point( const SGBinObjectPoint& pt );
inline const group_list& get_pts_v() const { return pts_v; }
- inline void set_pts_v( const group_list& g ) { pts_v = g; }
- inline const group_list& get_pts_n() const { return pts_n; }
- inline void set_pts_n( const group_list& g ) { pts_n = g; }
- inline const group_list& get_pts_c() const { return pts_c; }
- inline void set_pts_c( const group_list& g ) { pts_c = g; }
- inline const group_list& get_pts_tc() const { return pts_tc; }
- inline void set_pts_tc( const group_list& g ) { pts_tc = g; }
+ inline const group_list& get_pts_n() const { return pts_n; }
+ inline const group_tci_list& get_pts_tcs() const { return pts_tcs; }
+ inline const group_vai_list& get_pts_vas() const { return pts_vas; }
inline const string_list& get_pt_materials() const { return pt_materials; }
- inline void set_pt_materials( const string_list& s ) { pt_materials = s; }
+ // Triangles API
+ bool add_triangle( const SGBinObjectTriangle& tri );
inline const group_list& get_tris_v() const { return tris_v; }
- inline void set_tris_v( const group_list& g ) { tris_v = g; }
inline const group_list& get_tris_n() const { return tris_n; }
- inline void set_tris_n( const group_list& g ) { tris_n = g; }
inline const group_list& get_tris_c() const { return tris_c; }
- inline void set_tris_c( const group_list& g ) { tris_c = g; }
- inline const group_list& get_tris_tc() const { return tris_tc; }
- inline void set_tris_tc( const group_list& g ) { tris_tc = g; }
+ inline const group_tci_list& get_tris_tcs() const { return tris_tcs; }
+ inline const group_vai_list& get_tris_vas() const { return tris_vas; }
inline const string_list& get_tri_materials() const { return tri_materials; }
- inline void set_tri_materials( const string_list& s ) { tri_materials = s; }
+ // Strips API (deprecated - read only)
inline const group_list& get_strips_v() const { return strips_v; }
- inline void set_strips_v( const group_list& g ) { strips_v = g; }
inline const group_list& get_strips_n() const { return strips_n; }
- inline void set_strips_n( const group_list& g ) { strips_n = g; }
inline const group_list& get_strips_c() const { return strips_c; }
- inline void set_strips_c( const group_list& g ) { strips_c = g; }
-
- inline const group_list& get_strips_tc() const { return strips_tc; }
- inline void set_strips_tc( const group_list& g ) { strips_tc = g; }
+ inline const group_tci_list& get_strips_tcs() const { return strips_tcs; }
+ inline const group_vai_list& get_strips_vas() const { return strips_vas; }
inline const string_list& get_strip_materials() const { return strip_materials; }
- inline void set_strip_materials( const string_list& s ) { strip_materials = s; }
-
+
+ // Fans API (deprecated - read only )
inline const group_list& get_fans_v() const { return fans_v; }
- inline void set_fans_v( const group_list& g ) { fans_v = g; }
inline const group_list& get_fans_n() const { return fans_n; }
- inline void set_fans_n( const group_list& g ) { fans_n = g; }
inline const group_list& get_fans_c() const { return fans_c; }
- inline void set_fans_c( const group_list& g ) { fans_c = g; }
-
- inline const group_list& get_fans_tc() const { return fans_tc; }
- inline void set_fans_tc( const group_list& g ) { fans_tc = g; }
+ inline const group_tci_list& get_fans_tcs() const { return fans_tcs; }
+ inline const group_vai_list& get_fans_vas() const { return fans_vas; }
inline const string_list& get_fan_materials() const { return fan_materials; }
- inline void set_fan_materials( const string_list& s ) { fan_materials = s; }
/**
* Read a binary file object and populate the provided structures.