# include <math.h>
#endif
-// #ifdef HAVE_WINDOWS_H
-// # include <windows.h>
-// #endif
-
#include <stdio.h>
#include <string.h>
-// #include <GL/glut.h>
-// #include <XGL/xgl.h>
// #if defined ( __sun__ )
// extern "C" void *memmove(void *, const void *, size_t);
#include <Include/fg_constants.h>
#include <Main/options.hxx>
#include <Math/mat3.h>
+#include <Math/fg_geodesy.hxx>
#include <Math/fg_random.h>
#include <Math/point3d.hxx>
#include <Math/polar3d.hxx>
#include <Misc/stopwatch.hxx>
+#include <Misc/texcoord.hxx>
#include <Scenery/tileentry.hxx>
#include "materialmgr.hxx"
#define FG_TEX_CONSTANT 69.0
-
// Calculate texture coordinates for a given point.
-static Point3D calc_tex_coords(const Point3D& node, const Point3D& ref) {
+static Point3D local_calc_tex_coords(const Point3D& node, const Point3D& ref) {
Point3D cp;
Point3D pp;
// double tmplon, tmplat;
}
+// Generate a generic ocean tile on the fly
+ssgBranch *fgGenTile( const string& path, FGTileEntry *t) {
+ fgFRAGMENT fragment;
+ fragment.init();
+ fragment.tile_ptr = t;
+
+ ssgSimpleState *state = NULL;
+
+ ssgBranch *tile = new ssgBranch () ;
+ tile -> setName ( (char *)path.c_str() ) ;
+
+ // find Ocean material in the properties list
+ if ( ! material_mgr.find( "Ocean", fragment.material_ptr )) {
+ FG_LOG( FG_TERRAIN, FG_ALERT,
+ "Ack! unknown usemtl name = " << "Ocean"
+ << " in " << path );
+ }
+
+ // set the texture width and height values for this
+ // material
+ FGMaterial m = fragment.material_ptr->get_m();
+ double tex_width = m.get_xsize();
+ double tex_height = m.get_ysize();
+
+ // set ssgState
+ state = fragment.material_ptr->get_state();
+
+ // Calculate center point
+ FGBucket b = t->tile_bucket;
+ double clon = b.get_center_lon();
+ double clat = b.get_center_lat();
+ double height = b.get_height();
+ double width = b.get_width();
+
+ Point3D center = fgGeodToCart(Point3D(clon*DEG_TO_RAD,clat*DEG_TO_RAD,0.0));
+ t->center = center;
+ fragment.center = center;
+ // cout << "center = " << center << endl;;
+
+ // Caculate corner vertices
+ Point3D geod[4];
+ geod[0] = Point3D( clon - width/2.0, clat - height/2.0, 0.0 );
+ geod[1] = Point3D( clon + width/2.0, clat - height/2.0, 0.0 );
+ geod[2] = Point3D( clon + width/2.0, clat + height/2.0, 0.0 );
+ geod[3] = Point3D( clon - width/2.0, clat + height/2.0, 0.0 );
+
+ 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,
+ geod[i].z() );
+ }
+
+ Point3D cart[4], rel[4];
+ t->nodes.clear();
+ for ( i = 0; i < 4; ++i ) {
+ cart[i] = fgGeodToCart(rad[i]);
+ rel[i] = cart[i] - center;
+ t->nodes.push_back( rel[i] );
+ // cout << "corner " << i << " = " << cart[i] << endl;
+ }
+
+ t->ncount = 4;
+
+ // Calculate bounding radius
+ t->bounding_radius = center.distance3D( cart[0] );
+ fragment.bounding_radius = t->bounding_radius;
+ // cout << "bounding radius = " << t->bounding_radius << endl;
+
+ // Calculate normals
+ Point3D normals[4];
+ for ( i = 0; i < 4; ++i ) {
+ normals[i] = cart[i];
+ double length = normals[i].distance3D( Point3D(0.0) );
+ normals[i] /= length;
+ // cout << "normal = " << normals[i] << endl;
+ }
+
+ // Calculate texture coordinates
+ point_list geod_nodes;
+ geod_nodes.clear();
+ for ( i = 0; i < 4; ++i ) {
+ geod_nodes.push_back( geod[i] );
+ }
+ int_list rectangle;
+ rectangle.clear();
+ for ( i = 0; i < 4; ++i ) {
+ rectangle.push_back( i );
+ }
+ point_list texs = calc_tex_coords( b, geod_nodes, rectangle,
+ 1000.0 / tex_width );
+
+ // Build flight gear structure
+ fragment.add_face(0, 1, 2);
+ fragment.add_face(0, 2, 3);
+ t->fragment_list.push_back(fragment);
+
+ // Allocate ssg structure
+ sgVec3 *vtlist = new sgVec3 [ 4 ];
+ t->vec3_ptrs.push_back( vtlist );
+ sgVec3 *vnlist = new sgVec3 [ 4 ];
+ t->vec3_ptrs.push_back( vnlist );
+ sgVec2 *tclist = new sgVec2 [ 4 ];
+ t->vec2_ptrs.push_back( tclist );
+
+ for ( i = 0; i < 4; ++i ) {
+ sgSetVec3( vtlist[i],
+ rel[i].x(), rel[i].y(), rel[i].z() );
+ sgSetVec3( vnlist[i],
+ normals[i].x(), normals[i].y(), normals[i].z() );
+ sgSetVec2( tclist[i], texs[i].x(), texs[i].y() );
+ }
+
+ unsigned short *vindex = new unsigned short [ 4 ];
+ t->index_ptrs.push_back( vindex );
+ unsigned short *tindex = new unsigned short [ 4 ];
+ t->index_ptrs.push_back( tindex );
+ for ( i = 0; i < 4; ++i ) {
+ vindex[i] = i;
+ tindex[i] = i;
+ }
+
+ ssgLeaf *leaf =
+ new ssgVTable ( GL_TRIANGLE_FAN,
+ 4, vindex, vtlist,
+ 4, vindex, vnlist,
+ 4, tindex, tclist,
+ 0, NULL, NULL ) ;
+ leaf->setState( state );
+
+ tile->addKid( leaf );
+ // if ( current_options.get_clouds() ) {
+ // fgGenCloudTile(path, t, tile);
+ // }
+
+ return tile;
+}
+
+
// Load a .obj file and build the fragment list
ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
fgFRAGMENT fragment;
int vncount, vtcount;
int n1 = 0, n2 = 0, n3 = 0, n4 = 0;
int tex;
- int last1 = 0, last2 = 0, odd = 0;
+ int last1 = 0, last2 = 0;
+ bool odd = false;
point_list nodes;
Point3D node;
Point3D center;
+ double scenery_version = 0.0;
double tex_width = 1000.0, tex_height = 1000.0;
bool shared_done = false;
int_list fan_vertices;
int_list fan_tex_coords;
int i;
ssgSimpleState *state = NULL;
+ sgVec3 *vtlist, *vnlist;
+ sgVec2 *tclist;
ssgBranch *tile = new ssgBranch () ;
- tile -> setName ( path.c_str() ) ;
+
+ tile -> setName ( (char *)path.c_str() ) ;
// Attempt to open "path.gz" or "path"
fg_gzifstream in( path );
if ( ! in.is_open() ) {
FG_LOG( FG_TERRAIN, FG_ALERT, "Cannot open file: " << path );
- return NULL;
+ FG_LOG( FG_TERRAIN, FG_ALERT, "default to ocean tile: " << path );
+
+ return fgGenTile( path, t );
}
shading = current_options.get_shading();
in >> token;
- if ( token == "gbs" ) {
+ if ( token == "Version" ) {
+ // read scenery versions number
+ in >> scenery_version;
+ // cout << "scenery_version = " << scenery_version << endl;
+ } else if ( token == "gbs" ) {
// reference point (center offset)
in >> t->center >> t->bounding_radius;
center = t->center;
}
shared_done = true;
- t->vtlist = new sgVec3 [ nodes.size() ];
- t->vnlist = new sgVec3 [ vncount ];
- t->tclist = new sgVec2 [ vtcount ];
+ vtlist = new sgVec3 [ nodes.size() ];
+ t->vec3_ptrs.push_back( vtlist );
+ vnlist = new sgVec3 [ vncount ];
+ t->vec3_ptrs.push_back( vnlist );
+ tclist = new sgVec2 [ vtcount ];
+ t->vec2_ptrs.push_back( tclist );
for ( i = 0; i < (int)nodes.size(); ++i ) {
- sgSetVec3( t->vtlist[i],
+ sgSetVec3( vtlist[i],
nodes[i][0], nodes[i][1], nodes[i][2] );
}
for ( i = 0; i < vncount; ++i ) {
- sgSetVec3( t->vnlist[i],
+ sgSetVec3( vnlist[i],
normals[i][0],
normals[i][1],
normals[i][2] );
}
for ( i = 0; i < vtcount; ++i ) {
- sgSetVec2( t->tclist[i],
- tex_coords[i][0], tex_coords[i][1] );
+ sgSetVec2( tclist[i],
+ tex_coords[i][0],
+ tex_coords[i][1] );
}
}
// xglBegin(GL_TRIANGLE_STRIP);
// printf("xglBegin(tristrip) %d %d %d\n", n1, n2, n3);
- odd = 1;
+ odd = true;
// scale = 1.0;
if ( shading ) {
// (averaged) normals
// MAT3_SCALE_VEC(normal, normals[n1], scale);
// xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n1], center);
+ pp = local_calc_tex_coords(nodes[n1], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n1].get_n());
// MAT3_SCALE_VEC(normal, normals[n2], scale);
// xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n2], center);
+ pp = local_calc_tex_coords(nodes[n2], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n2].get_n());
// MAT3_SCALE_VEC(normal, normals[n3], scale);
// xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n3], center);
+ pp = local_calc_tex_coords(nodes[n3], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n3].get_n());
} else {
// MAT3_SCALE_VEC(normal, approx_normal, scale);
// xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n1], center);
+ pp = local_calc_tex_coords(nodes[n1], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n1].get_n());
- pp = calc_tex_coords(nodes[n2], center);
+ pp = local_calc_tex_coords(nodes[n2], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n2].get_n());
- pp = calc_tex_coords(nodes[n3], center);
+ pp = local_calc_tex_coords(nodes[n3], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n3].get_n());
}
// printf("some normals, texcoords, and vertices\n");
- odd = 1 - odd;
+ odd = !odd;
last1 = n2;
last2 = n3;
if ( n4 > 0 ) {
fragment.add_face(n3, n2, n4);
-
+
if ( shading ) {
// Shading model is "GL_SMOOTH"
// MAT3_SCALE_VEC(normal, normals[n4], scale);
// MAT3_SCALE_VEC(normal, approx_normal, scale);
}
// xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n4], center);
+ pp = local_calc_tex_coords(nodes[n4], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n4].get_n());
- odd = 1 - odd;
+ odd = !odd;
last1 = n3;
last2 = n4;
// printf("a normal, texcoord, and vertex (4th)\n");
}
- } else if ( token == "tf" ) {
+ } else if ( (token == "tf") || (token == "ts") ) {
// triangle fan
// fgPrintf( FG_TERRAIN, FG_DEBUG, "new fan");
fan_vertices.clear();
fan_tex_coords.clear();
+ odd = true;
// xglBegin(GL_TRIANGLE_FAN);
if ( in.get( c ) && c == '/' ) {
in >> tex;
fan_tex_coords.push_back( tex );
+ if ( scenery_version >= 0.4 ) {
+ if ( tex_width > 0 ) {
+ tclist[tex][0] *= (1000.0 / tex_width);
+ }
+ if ( tex_height > 0 ) {
+ tclist[tex][1] *= (1000.0 / tex_height);
+ }
+ }
pp.setx( tex_coords[tex][0] * (1000.0 / tex_width) );
pp.sety( tex_coords[tex][1] * (1000.0 / tex_height) );
} else {
in.putback( c );
- pp = calc_tex_coords(nodes[n1], center);
+ pp = local_calc_tex_coords(nodes[n1], center);
}
// xglTexCoord2f(pp.x(), pp.y());
// xglVertex3dv(nodes[n1].get_n());
if ( in.get( c ) && c == '/' ) {
in >> tex;
fan_tex_coords.push_back( tex );
+ if ( scenery_version >= 0.4 ) {
+ if ( tex_width > 0 ) {
+ tclist[tex][0] *= (1000.0 / tex_width);
+ }
+ if ( tex_height > 0 ) {
+ tclist[tex][1] *= (1000.0 / tex_height);
+ }
+ }
pp.setx( tex_coords[tex][0] * (1000.0 / tex_width) );
pp.sety( tex_coords[tex][1] * (1000.0 / tex_height) );
} else {
in.putback( c );
- pp = calc_tex_coords(nodes[n2], center);
+ pp = local_calc_tex_coords(nodes[n2], center);
}
// xglTexCoord2f(pp.x(), pp.y());
// xglVertex3dv(nodes[n2].get_n());
if ( in.get( c ) && c == '/' ) {
in >> tex;
fan_tex_coords.push_back( tex );
+ if ( scenery_version >= 0.4 ) {
+ if ( tex_width > 0 ) {
+ tclist[tex][0] *= (1000.0 / tex_width);
+ }
+ if ( tex_height > 0 ) {
+ tclist[tex][1] *= (1000.0 / tex_height);
+ }
+ }
pp.setx( tex_coords[tex][0] * (1000.0 / tex_width) );
pp.sety( tex_coords[tex][1] * (1000.0 / tex_height) );
} else {
in.putback( c );
- pp = calc_tex_coords(nodes[n3], center);
+ pp = local_calc_tex_coords(nodes[n3], center);
}
// xglTexCoord2f(pp.x(), pp.y());
// xglVertex3dv(nodes[n3].get_n());
- fragment.add_face(n1, n2, n3);
- n2 = n3;
+ if ( token == "tf" ) {
+ // triangle fan
+ fragment.add_face(n1, n2, n3);
+ n2 = n3;
+ } else {
+ // triangle strip
+ if ( odd ) {
+ fragment.add_face(n1, n2, n3);
+ } else {
+ fragment.add_face(n2, n1, n3);
+ }
+ odd = !odd;
+ n1 = n2;
+ n2 = n3;
+ }
}
// xglEnd();
// build the ssg entity
unsigned short *vindex =
new unsigned short [ fan_vertices.size() ];
+ t->index_ptrs.push_back( vindex );
+
unsigned short *tindex =
new unsigned short [ fan_tex_coords.size() ];
+ t->index_ptrs.push_back( tindex );
+
for ( i = 0; i < (int)fan_vertices.size(); ++i ) {
vindex[i] = fan_vertices[i];
}
for ( i = 0; i < (int)fan_tex_coords.size(); ++i ) {
tindex[i] = fan_tex_coords[i];
}
- ssgLeaf *leaf =
- new ssgVTable ( GL_TRIANGLE_FAN,
- fan_vertices.size(), vindex, t->vtlist,
- fan_vertices.size(), vindex, t->vnlist,
- fan_tex_coords.size(), tindex, t->tclist,
- 0, NULL, NULL ) ;
+ ssgLeaf *leaf;
+ if ( token == "tf" ) {
+ // triangle fan
+ leaf =
+ new ssgVTable ( GL_TRIANGLE_FAN,
+ fan_vertices.size(), vindex, vtlist,
+ fan_vertices.size(), vindex, vnlist,
+ fan_tex_coords.size(), tindex, tclist,
+ 0, NULL, NULL ) ;
+ } else {
+ // triangle strip
+ leaf =
+ new ssgVTable ( GL_TRIANGLE_STRIP,
+ fan_vertices.size(), vindex, vtlist,
+ fan_vertices.size(), vindex, vnlist,
+ fan_tex_coords.size(), tindex, tclist,
+ 0, NULL, NULL ) ;
+ }
leaf->setState( state );
tile->addKid( leaf );
// xglNormal3d(normals[n1][0], normals[n1][1], normals[n1][2]);
// xglNormal3dv(normals[n1]);
- pp = calc_tex_coords(nodes[n1], center);
+ pp = local_calc_tex_coords(nodes[n1], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n1].get_n());
// xglNormal3dv(normals[n2]);
- pp = calc_tex_coords(nodes[n2], center);
+ pp = local_calc_tex_coords(nodes[n2], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n2].get_n());
// xglNormal3dv(normals[n3]);
- pp = calc_tex_coords(nodes[n3], center);
+ pp = local_calc_tex_coords(nodes[n3], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n3].get_n());
// printf("some normals, texcoords, and vertices (tris)\n");
}
// xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n1], center);
+ pp = local_calc_tex_coords(nodes[n1], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n1].get_n());
// printf("a normal, texcoord, and vertex (4th)\n");
- odd = 1 - odd;
+ odd = !odd;
last1 = last2;
last2 = n1;
}
// xglNormal3dv(normal);
- pp = calc_tex_coords(nodes[n2], center);
+ pp = local_calc_tex_coords(nodes[n2], center);
// xglTexCoord2f(pp.lon(), pp.lat());
// xglVertex3dv(nodes[n2].get_n());
// printf("a normal, texcoord, and vertex (4th)\n");
- odd = 1 -odd;
+ odd = !odd;
last1 = last2;
last2 = n2;
}
t->nodes = nodes;
stopwatch.stop();
- FG_LOG( FG_TERRAIN, FG_INFO,
+ FG_LOG( FG_TERRAIN, FG_DEBUG,
"Loaded " << path << " in "
<< stopwatch.elapsedSeconds() << " seconds" );
-
+
+ // Generate a cloud layer above the tiles
+ // if ( current_options.get_clouds() ) {
+ // fgGenCloudTile(path, t, tile);
+ // }
return tile;
}
projects / flightgear.git / blobdiff