}
-#if defined ( PLIB_1_2_X )
-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 );
-}
-#else
-# define fgTriArea(p0,p1,p2) sgTriArea(p0,p1,p2)
-#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
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 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);
// 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
}
}
}
-static 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 )
+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;
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;
// Load an Binary obj file
ssgBranch *fgBinObjLoad( const string& path, FGTileEntry *t,
- ssgVertexArray *lights, const bool is_base)
+ ssgVertexArray *lights, const bool is_base)
{
int i;
return object;
}
-
-
-ssgBranch *gen_taxi_sign( const string path, const string content ) {
- // for demo purposes we assume each element (letter) is 1x1 meter.
- // Sign is placed 0.25 meters above the ground
-
- ssgBranch *object = new ssgBranch();
- object->setName( (char *)content.c_str() );
-
- double offset = content.length() / 2.0;
-
- for ( unsigned int i = 0; i < content.length(); ++i ) {
- string material;
-
- char item = content[i];
- if ( item == '<' ) {
- material = "ArrowL.rgb";
- } else if ( item == '>' ) {
- material = "ArrowR.rgb";
- } else if ( item >= 'A' && item <= 'Z' ) {
- material = "Letter";
- material += item;
- material += ".rgb";
- } else if ( item >= 'a' && item <= 'z' ) {
- int tmp = item - 'a';
- char c = 'A' + tmp;
- material = "Black";
- material += c;
- material += ".rgb";
- } else {
- cout << "Unknown taxi sign code = '" << item << "' !!!!" << endl;
- return NULL;
- }
-
- point_list nodes; nodes.clear();
- point_list normals; normals.clear();
- point_list texcoords; texcoords.clear();
- int_list vertex_index; vertex_index.clear();
- int_list tex_index; tex_index.clear();
-
- nodes.push_back( Point3D( -offset + i, 0, 0.25 ) );
- nodes.push_back( Point3D( -offset + i + 1, 0, 0.25 ) );
- nodes.push_back( Point3D( -offset + i, 0, 1.25 ) );
- nodes.push_back( Point3D( -offset + i + 1, 0, 1.25 ) );
-
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
-
- texcoords.push_back( Point3D( 0, 0, 0 ) );
- texcoords.push_back( Point3D( 1, 0, 0 ) );
- texcoords.push_back( Point3D( 0, 1, 0 ) );
- texcoords.push_back( Point3D( 1, 1, 0 ) );
-
- vertex_index.push_back( 0 );
- vertex_index.push_back( 1 );
- vertex_index.push_back( 2 );
- vertex_index.push_back( 3 );
-
- tex_index.push_back( 0 );
- tex_index.push_back( 1 );
- tex_index.push_back( 2 );
- tex_index.push_back( 3 );
-
- ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_STRIP, material,
- nodes, normals, texcoords,
- vertex_index, tex_index,
- false, NULL );
-
- object->addKid( leaf );
- }
-
- return object;
-}
-
-
-ssgBranch *gen_runway_sign( const string path, const string name ) {
- // for demo purposes we assume each element (letter) is 1x1 meter.
- // Sign is placed 0.25 meters above the ground
-
- ssgBranch *object = new ssgBranch();
- object->setName( (char *)name.c_str() );
-
- double width = name.length() / 3.0;
-
- string material = name + ".rgb";
-
- point_list nodes; nodes.clear();
- point_list normals; normals.clear();
- point_list texcoords; texcoords.clear();
- int_list vertex_index; vertex_index.clear();
- int_list tex_index; tex_index.clear();
-
- nodes.push_back( Point3D( -width, 0, 0.25 ) );
- nodes.push_back( Point3D( width + 1, 0, 0.25 ) );
- nodes.push_back( Point3D( -width, 0, 1.25 ) );
- nodes.push_back( Point3D( width + 1, 0, 1.25 ) );
-
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
-
- texcoords.push_back( Point3D( 0, 0, 0 ) );
- texcoords.push_back( Point3D( 1, 0, 0 ) );
- texcoords.push_back( Point3D( 0, 1, 0 ) );
- texcoords.push_back( Point3D( 1, 1, 0 ) );
-
- vertex_index.push_back( 0 );
- vertex_index.push_back( 1 );
- vertex_index.push_back( 2 );
- vertex_index.push_back( 3 );
-
- tex_index.push_back( 0 );
- tex_index.push_back( 1 );
- tex_index.push_back( 2 );
- tex_index.push_back( 3 );
-
- ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_STRIP, material,
- nodes, normals, texcoords,
- vertex_index, tex_index,
- false, NULL );
-
- object->addKid( leaf );
-
- return object;
-}
projects / flightgear.git / blobdiff