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Miscellanious flailings trying to get 3d cloud imposter rendering to work

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correctly.
This commit is contained in:
curt 2002-09-19 01:27:49 +00:00
parent a15f79f4ae
commit b350c6cd0f
1 changed files with 46 additions and 9 deletions
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55
src/Main/main.cxx
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@ -244,6 +244,7 @@ sgMat4 copy_of_ssgOpenGLAxisSwapMatrix =
//
ssgSimpleState *cloud3d_imposter_state;
ssgSimpleState *default_state;
ssgSimpleState *hud_and_panel;
ssgSimpleState *menus;
@ -264,6 +265,20 @@ void fgBuildRenderStates( void ) {
default_state->disable( GL_ALPHA_TEST );
default_state->disable( GL_LIGHTING );
cloud3d_imposter_state = new ssgSimpleState;
cloud3d_imposter_state->ref();
cloud3d_imposter_state->enable( GL_TEXTURE_2D );
cloud3d_imposter_state->enable( GL_CULL_FACE );
cloud3d_imposter_state->enable( GL_COLOR_MATERIAL );
cloud3d_imposter_state->setColourMaterial( GL_AMBIENT_AND_DIFFUSE );
cloud3d_imposter_state->setMaterial( GL_DIFFUSE, 1, 1, 1, 1 );
cloud3d_imposter_state->setMaterial( GL_AMBIENT, 1, 1, 1, 1 );
cloud3d_imposter_state->setMaterial( GL_EMISSION, 0, 0, 0, 1 );
cloud3d_imposter_state->setMaterial( GL_SPECULAR, 0, 0, 0, 1 );
cloud3d_imposter_state->enable( GL_BLEND );
cloud3d_imposter_state->enable( GL_ALPHA_TEST );
cloud3d_imposter_state->enable( GL_LIGHTING );
hud_and_panel = new ssgSimpleState;
hud_and_panel->ref();
hud_and_panel->disable( GL_CULL_FACE );
@ -397,6 +412,9 @@ void trRenderFrame( void ) {
// Update all Visuals (redraws anything graphics related)
void fgRenderFrame() {
GLfloat black[4] = { 0.0, 0.0, 0.0, 1.0 };
GLfloat white[4] = { 1.0, 1.0, 1.0, 1.0 };
// Process/manage pending events
global_events.update( delta_time_sec );
@ -475,6 +493,20 @@ void fgRenderFrame() {
}
glClear( clear_mask );
cloud3d_imposter_state->force();
glDisable( GL_FOG );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
ssgGetLight( 0 ) -> setColour( GL_DIFFUSE, white );
glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE );
glColor4f( 1.0, 1.0, 1.0, 1.0 );
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_TEXTURE_2D);
glEnable(GL_DEPTH_TEST);
glEnable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glBlendFunc( GL_ONE, GL_ONE_MINUS_SRC_ALPHA ) ;
glEnable(GL_CULL_FACE);
if ( fgGetBool("/sim/rendering/clouds3d") ) {
posit = globals->get_scenery()->get_center();
if ( _bcloud_orig ) {
@ -577,8 +609,6 @@ void fgRenderFrame() {
// we only update GL_AMBIENT for our lights we will never get
// a completely dark scene. So, we set GL_LIGHT_MODEL_AMBIENT
// explicitely to black.
GLfloat black[4] = { 0.0, 0.0, 0.0, 1.0 };
GLfloat white[4] = { 1.0, 1.0, 1.0, 1.0 };
glLightModelfv( GL_LIGHT_MODEL_AMBIENT, black );
ssgGetLight( 0 ) -> setColour( GL_AMBIENT, l->scene_ambient );
@ -757,6 +787,20 @@ void fgRenderFrame() {
globals->get_model_mgr()->draw();
globals->get_aircraft_model()->draw();
glDisable( GL_FOG );
glEnable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
glEnable(GL_ALPHA_TEST);
glBlendFunc ( GL_ONE, GL_ONE_MINUS_SRC_ALPHA ) ;
glDisable( GL_DEPTH_TEST );
glDisable( GL_LIGHTING );
if ( fgGetBool("/sim/rendering/clouds3d") ) {
// cout << "drawing new clouds" << endl;
// set the opengl state to known default values
// default_state->force();
sgClouds3d->Draw((sgVec4 *)current__view->get_VIEW());
}
// display HUD && Panel
glDisable( GL_FOG );
glDisable( GL_DEPTH_TEST );
@ -787,13 +831,6 @@ void fgRenderFrame() {
puDisplay();
// glDisable ( GL_BLEND ) ;
if ( fgGetBool("/sim/rendering/clouds3d") ) {
// cout << "drawing new clouds" << endl;
// set the opengl state to known default values
// default_state->force();
sgClouds3d->Draw((sgVec4 *)current__view->get_VIEW());
}
glEnable( GL_DEPTH_TEST );
glEnable( GL_FOG );