]> git.mxchange.org Git - flightgear.git/blobdiff - src/Objects/obj.cxx
Better memory clean up and ocean texture generation. Moved cloud generation
[flightgear.git] / src / Objects / obj.cxx
index 06e5d1de750174d7cc68ba917923749b23c054dd..7571dd0d43a00789493384c4931cb82807b88a7a 100644 (file)
@@ -54,6 +54,7 @@
 #include <Math/point3d.hxx>
 #include <Math/polar3d.hxx>
 #include <Misc/stopwatch.hxx>
+#include <Misc/texcoord.hxx>
 #include <Scenery/tileentry.hxx>
 
 #include "materialmgr.hxx"
@@ -92,9 +93,8 @@ static void calc_normal(Point3D p1, Point3D p2,
 
 #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;
@@ -150,8 +150,8 @@ ssgBranch *fgGenTile( const string& path, FGTileEntry *t) {
     // 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();
+    double tex_width = m.get_xsize();
+    double tex_height = m.get_ysize();
 
     // set ssgState
     state = fragment.material_ptr->get_state();
@@ -208,32 +208,44 @@ ssgBranch *fgGenTile( const string& path, FGTileEntry *t) {
     }
 
     // Calculate texture coordinates
-    Point3D texs[4];
+    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 ) {
-       texs[i] = calc_tex_coords( rel[i], center );
-       // cout << "texture coordinate = " << texs[i] << endl;
+       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);
 
-    // Build ssg structure
-    t->vtlist = new sgVec3 [ 4 ];
-    t->vnlist = new sgVec3 [ 4 ];
-    t->tclist = new sgVec2 [ 4 ];
+    // 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( t->vtlist[i], 
+       sgSetVec3( vtlist[i], 
                   rel[i].x(), rel[i].y(), rel[i].z() );
-       sgSetVec3( t->vnlist[i], 
+       sgSetVec3( vnlist[i], 
                   normals[i].x(), normals[i].y(), normals[i].z() );
-       sgSetVec2( t->tclist[i], texs[i].x(), texs[i].y() );
+       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;
@@ -241,13 +253,16 @@ ssgBranch *fgGenTile( const string& path, FGTileEntry *t) {
 
     ssgLeaf *leaf = 
        new ssgVTable ( GL_TRIANGLE_FAN,
-                       4, vindex, t->vtlist,
-                       4, vindex, t->vnlist,
-                       4, tindex, t->tclist,
+                       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;
 }
@@ -266,7 +281,8 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
     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;
@@ -277,8 +293,11 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
     int_list fan_tex_coords;
     int i;
     ssgSimpleState *state = NULL;
+    sgVec3 *vtlist, *vnlist;
+    sgVec2 *tclist;
 
     ssgBranch *tile = new ssgBranch () ;
+
     tile -> setName ( (char *)path.c_str() ) ;
 
     // Attempt to open "path.gz" or "path"
@@ -330,7 +349,7 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
 
            in >> token;
 
-           if ( token == "version" ) {
+           if ( token == "Version" ) {
                // read scenery versions number
                in >> scenery_version;
                // cout << "scenery_version = " << scenery_version << endl;
@@ -362,22 +381,25 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                    }
                    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],
+                       sgSetVec2( tclist[i],
                                   tex_coords[i][0],
                                   tex_coords[i][1] );
                    }
@@ -513,7 +535,7 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                // xglBegin(GL_TRIANGLE_STRIP);
                // printf("xglBegin(tristrip) %d %d %d\n", n1, n2, n3);
 
-               odd = 1
+               odd = true
                // scale = 1.0;
 
                if ( shading ) {
@@ -521,19 +543,19 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                    // (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 {
@@ -549,21 +571,21 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                    // 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;
 
@@ -593,21 +615,22 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                        // 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);
 
@@ -618,14 +641,18 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                    in >> tex;
                    fan_tex_coords.push_back( tex );
                    if ( scenery_version >= 0.4 ) {
-                       t->tclist[tex][0] *= (1000.0 / tex_width);
-                       t->tclist[tex][1] *= (1000.0 / tex_height);
+                       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());
@@ -637,14 +664,18 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                    in >> tex;
                    fan_tex_coords.push_back( tex );
                    if ( scenery_version >= 0.4 ) {
-                       t->tclist[tex][0] *= (1000.0 / tex_width);
-                       t->tclist[tex][1] *= (1000.0 / tex_height);
+                       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());
@@ -674,20 +705,37 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                        in >> tex;
                        fan_tex_coords.push_back( tex );
                        if ( scenery_version >= 0.4 ) {
-                           t->tclist[tex][0] *= (1000.0 / tex_width);
-                           t->tclist[tex][1] *= (1000.0 / tex_height);
+                           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();
@@ -695,20 +743,36 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                // 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 );
@@ -728,17 +792,17 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
 
                // 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");
@@ -787,12 +851,12 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                }
                // 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;
 
@@ -821,12 +885,12 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
                    }
                    // 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;
                }
@@ -879,7 +943,11 @@ ssgBranch *fgObjLoad( const string& path, FGTileEntry *t) {
     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;
 }