void
shutdownCars(void)
{
int i;
GfOut("-- shutdownCars\n");
grShutdownSound(grNbCars);
if (grNbCars) {
grShutdownBoardCar();
grShutdownSkidmarks();
grShutdownSmoke();
grShudownCarlight();
/* Delete ssg objects */
CarsAnchor->removeAllKids();
ShadowAnchor->removeAllKids();
for (i = 0; i < grNbCars; i++) {
ssgDeRefDelete(grCarInfo[i].envSelector);
ssgDeRefDelete(grCarInfo[i].shadowBase);
ssgDeRefDelete(grCarInfo[i].wheelTexture);
if (grCarInfo[i].driverSelectorinsg == false) {
delete grCarInfo[i].driverSelector;
}
}
PitsAnchor->removeAllKids();
ThePits = 0;
free(grCarInfo);
}
GfParmReleaseHandle(grHandle);
for (i = 0; i < GR_NB_MAX_SCREEN; i++) {
grScreens[i]->setCurrentCar(NULL);
}
}
void grShutdownBoardCar(void)
{
int i;
for (i = 0; i < grNbCars; i++) {
ssgDeRefDelete(grCarInfo[i].instrument[0].texture);
ssgDeRefDelete(grCarInfo[i].instrument[1].texture);
glDeleteLists(grCarInfo[i].instrument[0].needleList, 1);
glDeleteLists(grCarInfo[i].instrument[1].needleList, 1);
glDeleteLists(grCarInfo[i].instrument[0].CounterList, 1);
glDeleteLists(grCarInfo[i].instrument[1].CounterList, 1);
}
}
// build the moon object
ssgBranch * cGrMoon::build( double moon_size )
{
ssgDeRefDelete( moon_transform );
moon_transform = new ssgTransform;
moon_transform->ref();
moon_cl = new ssgColourArray( 1 );
sgVec4 color;
sgSetVec4( color, 1.0, 1.0, 1.0, 1.0 );
moon_cl->add( color );
moon_state = new ssgSimpleState();
moon_state->setTexture( "data/textures/moon.rgba" );
moon_state->setShadeModel( GL_SMOOTH );
moon_state->enable( GL_LIGHTING );
moon_state->enable( GL_CULL_FACE );
moon_state->enable( GL_TEXTURE_2D );
moon_state->enable( GL_COLOR_MATERIAL );
moon_state->setColourMaterial( GL_DIFFUSE );
moon_state->setMaterial( GL_AMBIENT, 0, 0, 0, 1 );
moon_state->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
moon_state->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
moon_state->enable( GL_BLEND );
moon_state->enable( GL_ALPHA_TEST );
moon_state->setAlphaClamp( 0.01f );
ssgBranch *moon = grMakeSphere( moon_state, moon_cl, moon_size, 15, 15,
grMoonOrbPreDraw, grMoonOrbPostDraw );
moon_transform->addKid( moon );
repaint( 0.0 );
return moon_transform;
}
/** remove the smoke information for a car */
void grShutdownSmoke ()
{
tgrSmoke *tmp, *tmp2;
GfOut("-- grShutdownSmoke\n");
if (!grSmokeMaxNumber) {
return;
}
SmokeAnchor->removeAllKids();
if (smokeManager) {
tmp = smokeManager->smokeList;
while( tmp!=NULL)
{
tmp2 = tmp->next;
/* SmokeAnchor->removeKid(tmp->smoke); */
free(tmp);
tmp = tmp2;
}
smokeManager->smokeList = NULL;
free(timeSmoke);
free(timeFire);
free(smokeManager);
smokeManager = 0;
smokeManager = NULL;
timeSmoke = NULL;
timeFire=NULL;
}
if (mst != NULL) {
ssgDeRefDelete(mst);
mst = NULL;
}
if (mstf0 != NULL) {
ssgDeRefDelete(mstf0);
mstf0 = NULL;
}
if (mstf1 != NULL) {
ssgDeRefDelete(mstf1);
mstf1 = NULL;
}
}
void grShutdownScene(void)
{
if (TheScene) {
delete TheScene;
TheScene = 0;
}
if (BackgroundTex) {
glDeleteTextures(1, &BackgroundTex);
BackgroundTex = 0;
}
if (BackgroundList) {
glDeleteLists(BackgroundList, 1);
BackgroundList = 0;
}
if (BackgroundType > 2) {
glDeleteTextures(1, &BackgroundTex2);
glDeleteLists(BackgroundList2, 1);
}
if (grEnvState != NULL) {
ssgDeRefDelete(grEnvState);
grEnvState = NULL;
}
if (grEnvShadowState != NULL) {
ssgDeRefDelete(grEnvShadowState);
grEnvShadowState = NULL;
}
if (grEnvShadowStateOnCars != NULL) {
ssgDeRefDelete(grEnvShadowStateOnCars);
grEnvShadowStateOnCars = NULL;
}
if(grEnvSelector != NULL) {
delete grEnvSelector;
grEnvSelector = NULL;
}
options.endLoad();
}
ssgBranch * cGrStars::build( int num, sgdVec3 *star_data, double star_dist )
{
sgVec4 color;
// clean-up previous
ssgDeRefDelete( stars_transform );
// create new
stars_transform = new ssgTransform;
stars_transform->ref();
if ( star_data == NULL )
{
if (num > 0)
ulSetError(UL_WARNING, "null star data passed to cGrStars::build()");
else
return stars_transform;
}
// set up the orb state
state = new ssgSimpleState();
state->disable( GL_LIGHTING );
state->disable( GL_CULL_FACE );
state->disable( GL_TEXTURE_2D );
state->enable( GL_COLOR_MATERIAL );
state->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
state->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
state->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
state->enable( GL_BLEND );
state->disable( GL_ALPHA_TEST );
vl = new ssgVertexArray( num );
cl = new ssgColourArray( num );
// cl = new ssgColourArray( 1 );
// sgSetVec4( color, 1.0, 1.0, 1.0, 1.0 );
// cl->add( color );
// Build ssg structure
sgVec3 p;
for ( int i = 0; i < num; ++i )
{
// position seeded to arbitrary values
sgSetVec3( p,
(float)( star_dist * cos( star_data[i][0] )
* cos( star_data[i][1] )),
(float)( star_dist * sin( star_data[i][0] )
* cos( star_data[i][1] )),
(float)( star_dist * sin( star_data[i][1] )));
vl->add( p );
// color (magnitude)
sgSetVec4( color, 1.0, 1.0, 1.0, 1.0 );
cl->add( color );
}
ssgLeaf *stars_obj =
new ssgVtxTable ( GL_POINTS, vl, NULL, NULL, cl );
stars_obj->setState( state );
stars_obj->setCallback( SSG_CALLBACK_PREDRAW, grStarPreDraw );
stars_obj->setCallback( SSG_CALLBACK_POSTDRAW, grStarPostDraw );
stars_transform->addKid( stars_obj );
return stars_transform;
}
cGrStars::~cGrStars( void )
{
ssgDeRefDelete( stars_transform );
}
cGrCelestialBody::~cGrCelestialBody( void )
{
ssgDeRefDelete( transform );
}
ssgBranch * cGrCelestialBody::build( ssgSimpleState *orb_state, ssgSimpleState *halo_state, double body_size )
{
ssgVertexArray *halo_vl;
ssgTexCoordArray *halo_tl;
// clean-up previous
ssgDeRefDelete( transform );
// build the ssg scene graph sub tree for the sky and connected
// into the provide scene graph branch
transform = new ssgTransform;
transform->ref();
cl = new ssgColourArray( 1 );
sgVec4 color;
sgSetVec4( color, 1.0, 1.0, 1.0, 1.0 );
cl->add( color );
ssgBranch *orb = grMakeSphere( orb_state, cl, (float)body_size, 15, 15,
grCelestialBodyOrbPreDraw, grCelestialBodyOrbPostDraw );
transform->addKid( orb );
// force a repaint of the colors with arbitrary defaults
repaint( 0.0 );
if (halo_state)
{
// Build ssg structure
float size = float(body_size * 10.0);
sgVec3 v3;
halo_vl = new ssgVertexArray;
sgSetVec3( v3, -size, 0.0, -size );
halo_vl->add( v3 );
sgSetVec3( v3, size, 0.0, -size );
halo_vl->add( v3 );
sgSetVec3( v3, -size, 0.0, size );
halo_vl->add( v3 );
sgSetVec3( v3, size, 0.0, size );
halo_vl->add( v3 );
sgVec2 v2;
halo_tl = new ssgTexCoordArray;
sgSetVec2( v2, 0.0f, 0.0f );
halo_tl->add( v2 );
sgSetVec2( v2, 1.0, 0.0 );
halo_tl->add( v2 );
sgSetVec2( v2, 0.0, 1.0 );
halo_tl->add( v2 );
sgSetVec2( v2, 1.0, 1.0 );
halo_tl->add( v2 );
ssgLeaf *halo =
new ssgVtxTable ( GL_TRIANGLE_STRIP, halo_vl, NULL, halo_tl, cl );
halo->setState( halo_state );
halo->setCallback( SSG_CALLBACK_PREDRAW, grCelestialBodyHaloPreDraw );
halo->setCallback( SSG_CALLBACK_POSTDRAW, grCelestialBodyHaloPostDraw );
transform->addKid( halo );
//transform->addKid(new ssgaLensFlare);
}
return transform;
}
// Destructor
cGrMoon::~cGrMoon( void )
{
ssgDeRefDelete( moon_transform );
}
// initialize the sky object and connect it into our scene graph
ssgBranch * cGrSkyDome::build( double hscale, double vscale )
{
sgVec4 color;
double theta;
int i;
// clean-up previous
ssgDeRefDelete( dome_transform );
// create new
dome_transform = new ssgTransform;
dome_transform->ref();
// set up the state
dome_state = new ssgSimpleState();
dome_state->setShadeModel( GL_SMOOTH );
dome_state->disable( GL_LIGHTING );
dome_state->disable( GL_CULL_FACE );
dome_state->disable( GL_TEXTURE_2D );
dome_state->enable( GL_COLOR_MATERIAL );
dome_state->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
dome_state->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
dome_state->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
dome_state->disable( GL_BLEND );
dome_state->disable( GL_ALPHA_TEST );
// initialize arrays
center_disk_vl = new ssgVertexArray( 14 );
center_disk_cl = new ssgColourArray( 14 );
upper_ring_vl = new ssgVertexArray( 26 );
upper_ring_cl = new ssgColourArray( 26 );
middle_ring_vl = new ssgVertexArray( 26 );
middle_ring_cl = new ssgColourArray( 26 );
lower_ring_vl = new ssgVertexArray( 26 );
lower_ring_cl = new ssgColourArray( 26 );
// initially seed to all blue
sgSetVec4( color, 0.0, 0.0, 1.0, 1.0 );
// generate the raw vertex data
sgVec3 center_vertex;
sgVec3 upper_vertex[12];
sgVec3 middle_vertex[12];
sgVec3 lower_vertex[12];
sgVec3 bottom_vertex[12];
sgSetVec3( center_vertex, 0.0, 0.0, (float)(center_elev * vscale));
for ( i = 0; i < 12; i++ )
{
theta = (i * 30.0) * SGD_DEGREES_TO_RADIANS;
sgSetVec3( upper_vertex[i],
(float)(cos(theta) * upper_radius * hscale),
(float)(sin(theta) * upper_radius * hscale),
(float)(upper_elev * vscale));
sgSetVec3( middle_vertex[i],
(float)(cos(theta) * middle_radius * hscale),
(float)(sin(theta) * middle_radius * hscale),
(float)(middle_elev * vscale));
sgSetVec3( lower_vertex[i],
(float)(cos(theta) * lower_radius * hscale),
(float)(sin(theta) * lower_radius * hscale),
(float)(lower_elev * vscale));
sgSetVec3( bottom_vertex[i],
(float)(cos(theta) * bottom_radius * hscale),
(float)(sin(theta) * bottom_radius * hscale),
(float)(bottom_elev * vscale));
}
// generate the center disk vertex/color arrays
center_disk_vl->add( center_vertex );
center_disk_cl->add( color );
for ( i = 11; i >= 0; i-- )
{
center_disk_vl->add( upper_vertex[i] );
center_disk_cl->add( color );
}
center_disk_vl->add( upper_vertex[11] );
center_disk_cl->add( color );
// generate the upper ring
for ( i = 0; i < 12; i++ )
{
upper_ring_vl->add( middle_vertex[i] );
upper_ring_cl->add( color );
upper_ring_vl->add( upper_vertex[i] );
upper_ring_cl->add( color );
}
upper_ring_vl->add( middle_vertex[0] );
upper_ring_cl->add( color );
upper_ring_vl->add( upper_vertex[0] );
upper_ring_cl->add( color );
// generate middle ring
for ( i = 0; i < 12; i++ )
{
middle_ring_vl->add( lower_vertex[i] );
middle_ring_cl->add( color );
middle_ring_vl->add( middle_vertex[i] );
middle_ring_cl->add( color );
}
middle_ring_vl->add( lower_vertex[0] );
middle_ring_cl->add( color );
middle_ring_vl->add( middle_vertex[0] );
middle_ring_cl->add( color );
// generate lower ring
for ( i = 0; i < 12; i++ )
{
lower_ring_vl->add( bottom_vertex[i] );
lower_ring_cl->add( color );
lower_ring_vl->add( lower_vertex[i] );
lower_ring_cl->add( color );
}
lower_ring_vl->add( bottom_vertex[0] );
lower_ring_cl->add( color );
lower_ring_vl->add( lower_vertex[0] );
lower_ring_cl->add( color );
// force a repaint of the sky colors with ugly defaults
sgVec3 fog_color;
sgSetVec3( fog_color, 1.0, 1.0, 1.0 );
repaint( color, fog_color, 0.0, 5000.0 );
// build the ssg scene graph sub tree for the sky and connected
// into the provide scene graph branch
ssgVtxTable *center_disk, *upper_ring, *middle_ring, *lower_ring;
center_disk = new ssgVtxTable( GL_TRIANGLE_FAN,
center_disk_vl, NULL, NULL, center_disk_cl );
upper_ring = new ssgVtxTable( GL_TRIANGLE_STRIP,
upper_ring_vl, NULL, NULL, upper_ring_cl );
middle_ring = new ssgVtxTable( GL_TRIANGLE_STRIP,
middle_ring_vl, NULL, NULL, middle_ring_cl );
lower_ring = new ssgVtxTable( GL_TRIANGLE_STRIP,
lower_ring_vl, NULL, NULL, lower_ring_cl );
center_disk->setState( dome_state );
upper_ring->setState( dome_state );
middle_ring->setState( dome_state );
lower_ring->setState( dome_state );
dome_transform->addKid( center_disk );
dome_transform->addKid( upper_ring );
dome_transform->addKid( middle_ring );
dome_transform->addKid( lower_ring );
// not entirely satisfying. We are depending here that the first
// thing we add to a parent is the first drawn
center_disk->setCallback( SSG_CALLBACK_PREDRAW, grSkyDomePreDraw );
center_disk->setCallback( SSG_CALLBACK_POSTDRAW, grSkyDomePostDraw );
upper_ring->setCallback( SSG_CALLBACK_PREDRAW, grSkyDomePreDraw );
upper_ring->setCallback( SSG_CALLBACK_POSTDRAW, grSkyDomePostDraw );
middle_ring->setCallback( SSG_CALLBACK_PREDRAW, grSkyDomePreDraw );
middle_ring->setCallback( SSG_CALLBACK_POSTDRAW, grSkyDomePostDraw );
lower_ring->setCallback( SSG_CALLBACK_PREDRAW, grSkyDomePreDraw );
lower_ring->setCallback( SSG_CALLBACK_POSTDRAW, grSkyDomePostDraw );
return dome_transform;
}
cGrSkyDome::~cGrSkyDome( void )
{
ssgDeRefDelete( dome_transform );
}