render_external_scene(fix eye_offset)
{
Viewer_eye = Viewer->pos;
if (eye_offset)
vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
g3_set_view_matrix(&Viewer->pos,&Viewer->orient,Render_zoom);
//g3_draw_horizon(BM_XRGB(0,0,0),BM_XRGB(16,16,16)); //,-1);
gr_clear_canvas(BM_XRGB(0,0,0));
g3_start_instance_matrix(&vmd_zero_vector,&surface_orient);
draw_stars();
g3_done_instance();
{ //draw satellite
vms_vector delta;
g3s_point p,top_pnt;
g3_rotate_point(&p,&satellite_pos);
g3_rotate_delta_vec(&delta,&satellite_upvec);
g3_add_delta_vec(&top_pnt,&p,&delta);
if (! (p.p3_codes & CC_BEHIND)) {
int save_im = Interpolation_method;
//p.p3_flags &= ~PF_PROJECTED;
//g3_project_point(&p);
if (! (p.p3_flags & PF_OVERFLOW)) {
Interpolation_method = 0;
//gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
Interpolation_method = save_im;
}
}
}
#ifdef STATION_ENABLED
draw_polygon_model(&station_pos,&vmd_identity_matrix,NULL,station_modelnum,0,f1_0,NULL,NULL);
#endif
render_terrain(&mine_ground_exit_point,exit_point_bmx,exit_point_bmy);
draw_exit_model();
if (ext_expl_playing)
draw_fireball(&external_explosion);
Lighting_on=0;
render_object(ConsoleObject);
Lighting_on=1;
}
// Render the terrain as wireframe
void terrain::render_wireframe_terrain()
{
// Set the line width to be 1 pixel
glLineWidth(1.0);
// Set the draw mode to draw outlines of polygons
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
// Set the color to black
glColor3d(0, 0, 0);
// Render the terrain
render_terrain();
// Set the draw mode to fill polygons
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
// Render the terrain as solid
void terrain::render_solid_terrain()
{
// Enable lighting
glEnable(GL_LIGHTING);
// This is a trick which is neccessary in order to draw lines
// later on. Otherwise there would be artifacts due to a z-fight.
glPolygonOffset(1, 1);
glEnable(GL_POLYGON_OFFSET_FILL);
/********
Task 2.2.4. Activate 2D texture mapping and bind the texture that
is identified by the handle "texture_handle". Do not remove
any of the code in this method.
Aufgabe 2.2.4. Aktivieren Sie 2D-Texturierung und binden Sie die
Textur, die ueber das Handle "texture_handle" identifiziert
ist. Entfernen Sie keinen Code in dieser Methode.
************/
// Set the material color to white
glColor3d(1, 1, 1);
// Render the terrain
render_terrain();
// Disable texture mapping
glDisable(GL_TEXTURE_2D);
// Disable support for depth buffer offsets
glDisable(GL_POLYGON_OFFSET_FILL);
// Disable lighting
glDisable(GL_LIGHTING);
}
