# include <config.h>
#endif
-#ifdef FG_MATH_EXCEPTION_CLASH
+#ifdef SG_MATH_EXCEPTION_CLASH
# include <math.h>
#endif
#include <stdio.h>
#include <string.h>
-// #if defined ( __sun__ )
-// extern "C" void *memmove(void *, const void *, size_t);
-// extern "C" void *memset(void *, int, size_t);
-// #endif
-
#include <simgear/compiler.h>
+#include <simgear/io/sg_binobj.hxx>
#include STL_STRING
#include <map> // STL
#include <simgear/math/polar3d.hxx>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/math/sg_random.h>
-#include <simgear/misc/fgstream.hxx>
+#include <simgear/misc/sgstream.hxx>
#include <simgear/misc/stopwatch.hxx>
#include <simgear/misc/texcoord.hxx>
#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
#include <Scenery/tileentry.hxx>
#include "matlib.hxx"
#include "obj.hxx"
-FG_USING_STD(string);
-FG_USING_STD(vector);
+SG_USING_STD(string);
+SG_USING_STD(vector);
typedef vector < int > int_list;
static double tex_coords[FG_MAX_NODES*3][3];
-#if 0
-// given three points defining a triangle, calculate the normal
-static void calc_normal(Point3D p1, Point3D p2,
- Point3D p3, sgVec3 normal)
-{
- sgVec3 v1, v2;
-
- v1[0] = p2[0] - p1[0]; v1[1] = p2[1] - p1[1]; v1[2] = p2[2] - p1[2];
- v2[0] = p3[0] - p1[0]; v2[1] = p3[1] - p1[1]; v2[2] = p3[2] - p1[2];
-
- sgVectorProductVec3( normal, v1, v2 );
- sgNormalizeVec3( normal );
-
- // fgPrintf( FG_TERRAIN, FG_DEBUG, " Normal = %.2f %.2f %.2f\n",
- // normal[0], normal[1], normal[2]);
-}
-#endif
-
-
#define FG_TEX_CONSTANT 69.0
// Calculate texture coordinates for a given point.
pp = sgCartToPolar3d(cp);
- // tmplon = pp.lon() * RAD_TO_DEG;
- // tmplat = pp.lat() * RAD_TO_DEG;
+ // tmplon = pp.lon() * SGD_RADIANS_TO_DEGREES;
+ // tmplat = pp.lat() * SGD_RADIANS_TO_DEGREES;
// cout << tmplon << " " << tmplat << endl;
- pp.setx( fmod(RAD_TO_DEG * FG_TEX_CONSTANT * pp.x(), 11.0) );
- pp.sety( fmod(RAD_TO_DEG * FG_TEX_CONSTANT * pp.y(), 11.0) );
+ pp.setx( fmod(SGD_RADIANS_TO_DEGREES * FG_TEX_CONSTANT * pp.x(), 11.0) );
+ pp.sety( fmod(SGD_RADIANS_TO_DEGREES * FG_TEX_CONSTANT * pp.y(), 11.0) );
if ( pp.x() < 0.0 ) {
pp.setx( pp.x() + 11.0 );
// set ssgState
state = newmat->get_state();
} else {
- FG_LOG( FG_TERRAIN, FG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_ALERT,
"Ack! unknown usemtl name = " << "Ocean"
<< " in " << path );
}
double height = b.get_height();
double width = b.get_width();
- Point3D center = sgGeodToCart(Point3D(clon*DEG_TO_RAD,clat*DEG_TO_RAD,0.0));
+ Point3D center = sgGeodToCart(Point3D(clon*SGD_DEGREES_TO_RADIANS,clat*SGD_DEGREES_TO_RADIANS,0.0));
t->center = center;
// cout << "center = " << center << endl;;
Point3D rad[4];
int i;
for ( i = 0; i < 4; ++i ) {
- rad[i] = Point3D( geod[i].x() * DEG_TO_RAD, geod[i].y() * DEG_TO_RAD,
+ rad[i] = Point3D( geod[i].x() * SGD_DEGREES_TO_RADIANS, geod[i].y() * SGD_DEGREES_TO_RADIANS,
geod[i].z() );
}
leaf->setState( state );
tile->addKid( leaf );
- // if ( globals->get_options()->get_clouds() ) {
- // fgGenCloudTile(path, t, tile);
- // }
return tile;
}
-static float fgTriArea( sgVec3 p0, sgVec3 p1, sgVec3 p2 ) {
- /*
- From comp.graph.algorithms FAQ
- 2A(P) = abs(N.(sum_{i=0}^{n-1}(v_i x v_{i+1})))
- */
- sgVec3 sum;
- sgZeroVec3( sum );
-
- sgVec3 norm;
- sgMakeNormal( norm, p0, p1, p2 );
-
- float *vv[3];
- vv[0] = p0;
- vv[1] = p1;
- vv[2] = p2;
-
- for( int i=0; i<3; i++ ) {
- int ii = (i+1) % 3;
- sum[0] += (vv[i][1] * vv[ii][2] - vv[i][2] * vv[ii][1]) ;
- sum[1] += (vv[i][2] * vv[ii][0] - vv[i][0] * vv[ii][2]) ;
- sum[2] += (vv[i][0] * vv[ii][1] - vv[i][1] * vv[ii][0]) ;
- }
-
- return( sgAbs(sgScalarProductVec3( norm, sum )) * SG_HALF );
-}
-
-
-#if 0
-// this works too, but Norman claims fgTriArea() is more efficient :-)
-static double triangle_area_3d( float *p1, float *p2, float *p3 ) {
- // Heron's formula: A^2 = s(s-a)(s-b)(s-c) where A is the area,
- // a,b,c are the side lengths, s=(a+b+c)/2. In R^3 you can compute
- // the lengths of the sides with the distance formula, of course.
-
- double a = sgDistanceVec3( p1, p2 );
- double b = sgDistanceVec3( p2, p3 );
- double c = sgDistanceVec3( p3, p1 );
-
- double s = (a + b + c) / 2.0;
-
- return sqrt( s * ( s - a ) * ( s - b ) * ( s - c ) );
-}
-#endif
-
-
static void random_pt_inside_tri( float *res,
float *n1, float *n2, float *n3 )
{
// generate a repeatable random seed
p1 = leaf->getVertex( 0 );
- unsigned int *seed = (unsigned int *)p1;
- sg_srandom( *seed );
+ unsigned int seed = (unsigned int)p1[0];
+ sg_srandom( seed );
for ( int i = 0; i < num; ++i ) {
leaf->getTriangle( i, &n1, &n2, &n3 );
p1 = leaf->getVertex(n1);
p2 = leaf->getVertex(n2);
p3 = leaf->getVertex(n3);
- double area = fgTriArea( p1, p2, p3 );
+ double area = sgTriArea( p1, p2, p3 );
double num = area / factor;
// generate a light point for each unit of area
}
-// Load a .obj file
-ssgBranch *fgObjLoad( const string& path, FGTileEntry *t,
- ssgVertexArray *lights, const bool is_base)
+// Load an Ascii obj file
+ssgBranch *fgAsciiObjLoad( const string& path, FGTileEntry *t,
+ ssgVertexArray *lights, const bool is_base)
{
FGNewMat *newmat = NULL;
string material;
tile -> setName ( (char *)path.c_str() ) ;
// Attempt to open "path.gz" or "path"
- fg_gzifstream in( path );
+ sg_gzifstream in( path );
if ( ! in.is_open() ) {
- FG_LOG( FG_TERRAIN, FG_ALERT, "Cannot open file: " << path );
- FG_LOG( FG_TERRAIN, FG_ALERT, "default to ocean tile: " << path );
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "Cannot open file: " << path );
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "default to ocean tile: " << path );
- return fgGenTile( path, t );
+ return NULL;
}
- shading = globals->get_options()->get_shading();
+ shading = fgGetBool("/sim/rendering/shading");
if ( is_base ) {
t->ncount = 0;
while ( ! in.eof() ) {
#endif
-#if defined( macintosh ) || defined( _MSC_VER )
in >> ::skipws;
-#else
- in >> skipws;
-#endif
if ( in.get( c ) && c == '#' ) {
// process a comment line
// read scenery versions number
in >> scenery_version;
// cout << "scenery_version = " << scenery_version << endl;
+ if ( scenery_version > 0.4 ) {
+ SG_LOG( SG_TERRAIN, SG_ALERT,
+ "\nYou are attempting to load a tile format that\n"
+ << "is newer than this version of flightgear can\n"
+ << "handle. You should upgrade your copy of\n"
+ << "FlightGear to the newest version. For\n"
+ << "details, please see:\n"
+ << "\n http://www.flightgear.org\n" );
+ exit(-1);
+ }
} else if ( token == "gbs" ) {
// reference point (center offset)
if ( is_base ) {
if ( ! shared_done ) {
// sanity check
if ( (int)nodes.size() != vncount ) {
- FG_LOG( FG_TERRAIN, FG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_ALERT,
"Tile has mismatched nodes = " << nodes.size()
<< " and normals = " << vncount << " : "
<< path );
file += material;
cout << "current file = " << file << endl;
if ( ! material_lib.add_item( file ) ) {
- FG_LOG( FG_TERRAIN, FG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_ALERT,
"Ack! unknown usemtl name = " << material
<< " in " << path );
} else {
// locate our newly created material
newmat = material_lib.find( material );
if ( newmat == NULL ) {
- FG_LOG( FG_TERRAIN, FG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_ALERT,
"Ack! bad on the fly materia create = "
<< material << " in " << path );
}
>> normals[vncount][2];
vncount++;
} else {
- FG_LOG( FG_TERRAIN, FG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_ALERT,
"Read too many vertex normals in " << path
<< " ... dying :-(" );
exit(-1);
>> tex_coords[vtcount][1];
vtcount++;
} else {
- FG_LOG( FG_TERRAIN, FG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_ALERT,
"Read too many vertex texture coords in " << path
<< " ... dying :-("
);
t->ncount++;
}
} else {
- FG_LOG( FG_TERRAIN, FG_ALERT,
+ SG_LOG( SG_TERRAIN, SG_ALERT,
"Read too many nodes in " << path
<< " ... dying :-(");
exit(-1);
}
} else if ( (token == "tf") || (token == "ts") || (token == "f") ) {
// triangle fan, strip, or individual face
- // FG_LOG( FG_TERRAIN, FG_INFO, "new fan or strip");
+ // SG_LOG( SG_TERRAIN, SG_INFO, "new fan or strip");
fan_vertices.clear();
fan_tex_coords.clear();
// read all subsequent numbers until next thing isn't a number
while ( true ) {
-#if defined( macintosh ) || defined( _MSC_VER )
in >> ::skipws;
-#else
- in >> skipws;
-#endif
char c;
in.get(c);
if ( is_base ) {
if ( coverage > 0.0 ) {
if ( coverage < 10000.0 ) {
- FG_LOG(FG_INPUT, FG_ALERT, "Light coverage is "
+ SG_LOG(SG_INPUT, SG_ALERT, "Light coverage is "
<< coverage << ", pushing up to 10000");
coverage = 10000;
}
gen_random_surface_points(leaf, lights, coverage);
}
-// // generate lighting
-// if ( material == "Urban" || material == "BuiltUpCover" ) {
-// gen_random_surface_points( leaf, lights, 100000.0 );
-// } else if ( material == "EvergreenBroadCover" ||
-// material == "Default" || material == "Island" ||
-// material == "SomeSort" ||
-// material == "DeciduousBroadCover" ||
-// material == "EvergreenNeedleCover" ||
-// material == "DeciduousNeedleCover" ) {
-// gen_random_surface_points( leaf, lights, 10000000.0 );
-// } else if ( material == "Road") {
-// gen_random_surface_points( leaf, lights, 10000.0);
-// } else if ( material == "MixedForestCover" ) {
-// gen_random_surface_points( leaf, lights, 5000000.0 );
-// } else if ( material == "WoodedTundraCover" ||
-// material == "BareTundraCover" ||
-// material == "HerbTundraCover" ||
-// material == "MixedTundraCover" ||
-// material == "Marsh" ||
-// material == "HerbWetlandCover" ||
-// material == "WoodedWetlandCover" ) {
-// gen_random_surface_points( leaf, lights, 20000000.0 );
-// } else if ( material == "ShrubCover" ||
-// material == "ShrubGrassCover" ) {
-// gen_random_surface_points( leaf, lights, 4000000.0 );
-// } else if ( material == "GrassCover" ||
-// material == "SavannaCover" ) {
-// gen_random_surface_points( leaf, lights, 4000000.0 );
-// } else if ( material == "MixedCropPastureCover" ||
-// material == "IrrCropPastureCover" ||
-// material == "DryCropPastureCover" ||
-// material == "CropGrassCover" ||
-// material == "CropWoodCover" ) {
-// gen_random_surface_points( leaf, lights, 2000000.0 );
-// }
}
} else {
- FG_LOG( FG_TERRAIN, FG_WARN, "Unknown token in "
+ SG_LOG( SG_TERRAIN, SG_WARN, "Unknown token in "
<< path << " = " << token );
}
// eat white space before start of while loop so if we are
// done with useful input it is noticed before hand.
-#if defined( macintosh ) || defined( _MSC_VER )
in >> ::skipws;
-#else
- in >> skipws;
-#endif
}
}
}
stopwatch.stop();
- FG_LOG( FG_TERRAIN, FG_DEBUG,
+ SG_LOG( SG_TERRAIN, SG_DEBUG,
"Loaded " << path << " in "
<< stopwatch.elapsedSeconds() << " seconds" );
- // Generate a cloud layer above the tiles
- // if ( globals->get_options()->get_clouds() ) {
- // fgGenCloudTile(path, t, tile);
- // }
return tile;
}
+ssgLeaf *gen_leaf( const string& path,
+ const GLenum ty, const string& material,
+ const point_list& nodes, const point_list& normals,
+ const point_list& texcoords,
+ const int_list node_index,
+ const int_list& tex_index,
+ const bool calc_lights, ssgVertexArray *lights )
+{
+ double tex_width = 1000.0, tex_height = 1000.0;
+ ssgSimpleState *state = NULL;
+ float coverage = -1;
+
+ FGNewMat *newmat = material_lib.find( material );
+ if ( newmat == NULL ) {
+ // see if this is an on the fly texture
+ string file = path;
+ int pos = file.rfind( "/" );
+ file = file.substr( 0, pos );
+ cout << "current file = " << file << endl;
+ file += "/";
+ file += material;
+ cout << "current file = " << file << endl;
+ if ( ! material_lib.add_item( file ) ) {
+ SG_LOG( SG_TERRAIN, SG_ALERT,
+ "Ack! unknown usemtl name = " << material
+ << " in " << path );
+ } else {
+ // locate our newly created material
+ newmat = material_lib.find( material );
+ if ( newmat == NULL ) {
+ SG_LOG( SG_TERRAIN, SG_ALERT,
+ "Ack! bad on the fly material create = "
+ << material << " in " << path );
+ }
+ }
+ }
+
+ if ( newmat != NULL ) {
+ // set the texture width and height values for this
+ // material
+ tex_width = newmat->get_xsize();
+ tex_height = newmat->get_ysize();
+ state = newmat->get_state();
+ coverage = newmat->get_light_coverage();
+ // cout << "(w) = " << tex_width << " (h) = "
+ // << tex_width << endl;
+ } else {
+ coverage = -1;
+ }
+
+ // cout << "before list allocs" << endl;
+
+ int size = node_index.size();
+
+ if ( size < 1 ) {
+ SG_LOG( SG_TERRAIN, SG_ALERT, "Woh! list size < 1" );
+ exit(-1);
+ }
+
+ // cout << "before vl, size = " << size << endl;
+ ssgVertexArray *vl = new ssgVertexArray( size );
+ // cout << "before nl" << endl;
+ ssgNormalArray *nl = new ssgNormalArray( size );
+ // cout << "before tl" << endl;
+ ssgTexCoordArray *tl = new ssgTexCoordArray( size );
+ // cout << "before cl" << endl;
+ ssgColourArray *cl = new ssgColourArray( 1 );
+
+ sgVec4 color;
+ sgSetVec4( color, 1.0, 1.0, 1.0, 1.0 );
+ cl->add( color );
+
+ sgVec2 tmp2;
+ sgVec3 tmp3;
+ int i;
+ for ( i = 0; i < size; ++i ) {
+ Point3D node = nodes[ node_index[i] ];
+ sgSetVec3( tmp3, node[0], node[1], node[2] );
+ vl -> add( tmp3 );
+
+ Point3D normal = normals[ node_index[i] ];
+ sgSetVec3( tmp3, normal[0], normal[1], normal[2] );
+ nl -> add( tmp3 );
+
+ Point3D texcoord = texcoords[ tex_index[i] ];
+ sgSetVec2( tmp2, texcoord[0], texcoord[1] );
+ if ( tex_width > 0 ) {
+ tmp2[0] *= (1000.0 / tex_width);
+ }
+ if ( tex_height > 0 ) {
+ tmp2[1] *= (1000.0 / tex_height);
+ }
+ tl -> add( tmp2 );
+ }
+
+ // cout << "before leaf create" << endl;
+ ssgLeaf *leaf = new ssgVtxTable ( ty, vl, nl, tl, cl );
+ // cout << "after leaf create" << endl;
+
+ // lookup the state record
+ // cout << "looking up material = " << endl;
+ // cout << material << endl;
+ // cout << "'" << endl;
+
+ leaf->setState( state );
+
+ if ( calc_lights ) {
+ if ( coverage > 0.0 ) {
+ if ( coverage < 10000.0 ) {
+ SG_LOG(SG_INPUT, SG_ALERT, "Light coverage is "
+ << coverage << ", pushing up to 10000");
+ coverage = 10000;
+ }
+ gen_random_surface_points(leaf, lights, coverage);
+ }
+ }
+
+ return leaf;
+}
+
+
+// Load an Binary obj file
+ssgBranch *fgBinObjLoad( const string& path, FGTileEntry *t,
+ ssgVertexArray *lights, const bool is_base)
+{
+ int i;
+
+ SGBinObject obj;
+ bool result = obj.read_bin( path );
+
+ if ( !result ) {
+ return NULL;
+ }
+
+ // cout << "fans size = " << obj.get_fans_v().size()
+ // << " fan_mats size = " << obj.get_fan_materials().size() << endl;
+
+ ssgBranch *object = new ssgBranch();
+ object->setName( (char *)path.c_str() );
+
+ if ( is_base && t != NULL ) {
+ // reference point (center offset/bounding sphere)
+ t->center = obj.get_gbs_center();
+ t->bounding_radius = obj.get_gbs_radius();
+ }
+
+ point_list nodes = obj.get_wgs84_nodes();
+ point_list normals = obj.get_normals();
+ point_list texcoords = obj.get_texcoords();
+
+ string material;
+ int_list vertex_index;
+ int_list tex_index;
+
+ // generate triangles
+ string_list tri_materials = obj.get_tri_materials();
+ group_list tris_v = obj.get_tris_v();
+ group_list tris_tc = obj.get_tris_tc();
+ for ( i = 0; i < (int)tris_v.size(); ++i ) {
+ material = tri_materials[i];
+ vertex_index = tris_v[i];
+ tex_index = tris_tc[i];
+ ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLES, material,
+ nodes, normals, texcoords,
+ vertex_index, tex_index,
+ is_base, lights );
+
+ object->addKid( leaf );
+ }
+
+ // generate strips
+ string_list strip_materials = obj.get_strip_materials();
+ group_list strips_v = obj.get_strips_v();
+ group_list strips_tc = obj.get_strips_tc();
+ for ( i = 0; i < (int)strips_v.size(); ++i ) {
+ material = strip_materials[i];
+ vertex_index = strips_v[i];
+ tex_index = strips_tc[i];
+ ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_STRIP, material,
+ nodes, normals, texcoords,
+ vertex_index, tex_index,
+ is_base, lights );
+
+ object->addKid( leaf );
+ }
+
+ // generate fans
+ string_list fan_materials = obj.get_fan_materials();
+ group_list fans_v = obj.get_fans_v();
+ group_list fans_tc = obj.get_fans_tc();
+ for ( i = 0; i < (int)fans_v.size(); ++i ) {
+ material = fan_materials[i];
+ vertex_index = fans_v[i];
+ tex_index = fans_tc[i];
+ ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_FAN, material,
+ nodes, normals, texcoords,
+ vertex_index, tex_index,
+ is_base, lights );
+
+ object->addKid( leaf );
+ }
+
+ return object;
+}
projects / flightgear.git / blobdiff