X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fenvironment%2Fvisual_enviro.cxx;h=b0cb219059f4b8ceecf844b8d7cb3581a0c85886;hb=aa2ed5fb0cb16766f440231f23581bb90e9963d8;hp=01b9a9f1cb2b37ad24673c4119d3438cfb9fcccb;hpb=b2a4cd488dfcfbf1d02fa41f2dfa5ad39aabb13a;p=simgear.git diff --git a/simgear/environment/visual_enviro.cxx b/simgear/environment/visual_enviro.cxx index 01b9a9f1..b0cb2190 100644 --- a/simgear/environment/visual_enviro.cxx +++ b/simgear/environment/visual_enviro.cxx @@ -16,15 +16,13 @@ // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software -// Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // - #ifdef HAVE_CONFIG_H # include #endif -#include #include #include #include @@ -32,14 +30,15 @@ #include #include #include -#include +#include #include #include +#include #include "visual_enviro.hxx" #include -SG_USING_STD(vector); +using std::vector; typedef struct { @@ -52,6 +51,85 @@ typedef struct { static float rainpos[MAX_RAIN_SLICE]; #define MAX_LT_TREE_SEG 400 +#define DFL_MIN_LIGHT 0.35 +sgVec3 SGEnviro::min_light = {DFL_MIN_LIGHT, DFL_MIN_LIGHT, DFL_MIN_LIGHT}; +#define DFL_STREAK_BRIGHT_NEARMOST_LAYER 0.9 +SGfloat SGEnviro::streak_bright_nearmost_layer = DFL_STREAK_BRIGHT_NEARMOST_LAYER; +#define DFL_STREAK_BRIGHT_FARMOST_LAYER 0.5 +SGfloat SGEnviro::streak_bright_farmost_layer = DFL_STREAK_BRIGHT_FARMOST_LAYER; +#define DFL_STREAK_PERIOD_MAX 2.5 +SGfloat SGEnviro::streak_period_max = DFL_STREAK_PERIOD_MAX; +#define DFL_STREAK_PERIOD_CHANGE_PER_KT 0.005 +SGfloat SGEnviro::streak_period_change_per_kt = DFL_STREAK_PERIOD_CHANGE_PER_KT; +#define DFL_STREAK_PERIOD_MIN 1.0 +SGfloat SGEnviro::streak_period_min = DFL_STREAK_PERIOD_MIN; +#define DFL_STREAK_LENGTH_MIN 0.03 +SGfloat SGEnviro::streak_length_min = DFL_STREAK_LENGTH_MIN; +#define DFL_STREAK_LENGTH_CHANGE_PER_KT 0.0005 +SGfloat SGEnviro::streak_length_change_per_kt = DFL_STREAK_LENGTH_CHANGE_PER_KT; +#define DFL_STREAK_LENGTH_MAX 0.1 +SGfloat SGEnviro::streak_length_max = DFL_STREAK_LENGTH_MAX; +#define DFL_STREAK_COUNT_MIN 40 +int SGEnviro::streak_count_min = DFL_STREAK_COUNT_MIN; +#define DFL_STREAK_COUNT_MAX 190 +#if (DFL_STREAK_COUNT_MAX > MAX_RAIN_SLICE) +#error "Bad default!" +#endif +int SGEnviro::streak_count_max = DFL_STREAK_COUNT_MAX; +#define DFL_CONE_BASE_RADIUS 15.0 +SGfloat SGEnviro::cone_base_radius = DFL_CONE_BASE_RADIUS; +#define DFL_CONE_HEIGHT 30.0 +SGfloat SGEnviro::cone_height = DFL_CONE_HEIGHT; + + +void SGEnviro::config(const SGPropertyNode* n) +{ + if (!n) + return; + + const float ml = n->getFloatValue("min-light", DFL_MIN_LIGHT); + sgSetVec3(min_light, ml, ml, ml); + + streak_bright_nearmost_layer = n->getFloatValue( + "streak-brightness-nearmost-layer", + DFL_STREAK_BRIGHT_NEARMOST_LAYER); + streak_bright_farmost_layer = n->getFloatValue( + "streak-brightness-farmost-layer", + DFL_STREAK_BRIGHT_FARMOST_LAYER); + + streak_period_max = n->getFloatValue( + "streak-period-max", + DFL_STREAK_PERIOD_MAX); + streak_period_min = n->getFloatValue( + "streak-period-min", + DFL_STREAK_PERIOD_MIN); + streak_period_change_per_kt = n->getFloatValue( + "streak-period-change-per-kt", + DFL_STREAK_PERIOD_CHANGE_PER_KT); + + streak_length_max = n->getFloatValue( + "streak-length-max", + DFL_STREAK_LENGTH_MAX); + streak_length_min = n->getFloatValue( + "streak-length-min", + DFL_STREAK_LENGTH_MIN); + streak_length_change_per_kt = n->getFloatValue( + "streak-length-change-per-kt", + DFL_STREAK_LENGTH_CHANGE_PER_KT); + + streak_count_min = n->getIntValue( + "streak-count-min", DFL_STREAK_COUNT_MIN); + streak_count_max = n->getIntValue( + "streak-count-max", DFL_STREAK_COUNT_MAX); + if (streak_count_max > MAX_RAIN_SLICE) + streak_count_max = MAX_RAIN_SLICE; + + cone_base_radius = n->getFloatValue( + "cone-base-radius", DFL_CONE_BASE_RADIUS); + cone_height = n->getFloatValue("cone_height", DFL_CONE_HEIGHT); +} + + /** * A class to render lightnings. */ @@ -86,7 +164,7 @@ static list_of_lightning lightnings; SGEnviro sgEnviro; -SGEnviro::SGEnviro(void) : +SGEnviro::SGEnviro() : view_in_cloud(false), precipitation_enable_state(true), precipitation_density(100.0), @@ -97,7 +175,7 @@ SGEnviro::SGEnviro(void) : lightning_enable_state(false), elapsed_time(0.0), dt(0.0), - soundMgr(NULL), + sampleGroup(NULL), snd_active(false), snd_dist(0.0), min_time_before_lt(0.0), @@ -111,6 +189,10 @@ SGEnviro::SGEnviro(void) : } SGEnviro::~SGEnviro(void) { + if (sampleGroup) delete sampleGroup; + + // OSGFIXME + return; list_of_lightning::iterator iLightning; for( iLightning = lightnings.begin() ; iLightning != lightnings.end() ; iLightning++ ) { delete (*iLightning); @@ -119,10 +201,10 @@ SGEnviro::~SGEnviro(void) { } void SGEnviro::startOfFrame( sgVec3 p, sgVec3 up, double lon, double lat, double alt, double delta_time) { + // OSGFIXME + return; view_in_cloud = false; // ask the impostor cache to do some cleanup - if(SGNewCloud::cldCache) - SGNewCloud::cldCache->startNewFrame(); last_cloud_turbulence = cloud_turbulence; cloud_turbulence = 0.0; elapsed_time += delta_time; @@ -173,43 +255,10 @@ void SGEnviro::set_view_in_cloud(bool incloud) { view_in_cloud = incloud; } -int SGEnviro::get_CacheResolution(void) const { - return SGCloudField::get_CacheResolution(); -} - -int SGEnviro::get_clouds_CacheSize(void) const { - return SGCloudField::get_CacheSize(); -} -float SGEnviro::get_clouds_visibility(void) const { - return SGCloudField::get_CloudVis(); -} -float SGEnviro::get_clouds_density(void) const { - return SGCloudField::get_density(); -} -bool SGEnviro::get_clouds_enable_state(void) const { - return SGCloudField::get_enable3dClouds(); -} - bool SGEnviro::get_turbulence_enable_state(void) const { return turbulence_enable_state; } -void SGEnviro::set_CacheResolution(int resolutionPixels) { - SGCloudField::set_CacheResolution(resolutionPixels); -} - -void SGEnviro::set_clouds_CacheSize(int sizeKb) { - SGCloudField::set_CacheSize(sizeKb); -} -void SGEnviro::set_clouds_visibility(float distance) { - SGCloudField::set_CloudVis(distance); -} -void SGEnviro::set_clouds_density(float density) { - SGCloudField::set_density(density); -} -void SGEnviro::set_clouds_enable_state(bool enable) { - SGCloudField::set_enable3dClouds(enable); -} void SGEnviro::set_turbulence_enable_state(bool enable) { turbulence_enable_state = enable; } @@ -241,13 +290,15 @@ void SGEnviro::set_lightning_enable_state(bool enable) { } void SGEnviro::setLight(sgVec4 adj_fog_color) { + // OSGFIXME + return; sgCopyVec4( fog_color, adj_fog_color ); if( false ) { // ssgGetLight( 0 ) -> setColour( GL_DIFFUSE, l->scene_diffuse() ); } } - -void SGEnviro::callback_cloud(float heading, float alt, float radius, int familly, float dist, int cloudId) { +#if 0 +void SGEnviro::callback_cloud(float heading, float alt, float radius, int family, float dist, int cloudId) { // send data to wx radar // compute turbulence // draw precipitation @@ -257,7 +308,7 @@ void SGEnviro::callback_cloud(float heading, float alt, float radius, int famill // http://www.pilotfriend.com/flight_training/weather/THUNDERSTORM%20HAZARDS1.htm double turbulence = 0.0; if( dist < radius * radius * 2.25f ) { - switch(familly) { + switch(family) { case SGNewCloud::CLFamilly_st: turbulence = 0.2; break; @@ -292,7 +343,7 @@ void SGEnviro::callback_cloud(float heading, float alt, float radius, int famill // convert to LWC for radar (experimental) // http://www-das.uwyo.edu/~geerts/cwx/notes/chap08/moist_cloud.html double LWC = 0.0; - switch(familly) { + switch(family) { case SGNewCloud::CLFamilly_st: LWC = 0.29; break; @@ -319,6 +370,7 @@ void SGEnviro::callback_cloud(float heading, float alt, float radius, int famill LWC = 0.29*2.0; break; } + // add to the list for the wxRadar instrument if( LWC > 0.0 ) radarEcho.push_back( SGWxRadarEcho ( heading, alt, radius, dist, LWC, false, cloudId ) ); @@ -326,7 +378,7 @@ void SGEnviro::callback_cloud(float heading, float alt, float radius, int famill // NB:data valid only from cockpit view // spawn a new lightning - if(lightning_enable_state && min_time_before_lt <= 0.0 && (familly == SGNewCloud::CLFamilly_cb) && + if(lightning_enable_state && min_time_before_lt <= 0.0 && (family == SGNewCloud::CLFamilly_cb) && dist < 15000.0 * 15000.0 && sg_random() > 0.9f) { double lat, lon; Point3D orig, dest; @@ -345,7 +397,7 @@ void SGEnviro::callback_cloud(float heading, float alt, float radius, int famill // min_time_before_lt = 5.0; } if( (alt - radius * 0.1) > precipitation_max_alt ) - switch(familly) { + switch(family) { case SGNewCloud::CLFamilly_st: case SGNewCloud::CLFamilly_cu: case SGNewCloud::CLFamilly_cb: @@ -356,32 +408,35 @@ void SGEnviro::callback_cloud(float heading, float alt, float radius, int famill } } +#endif + list_of_SGWxRadarEcho *SGEnviro::get_radar_echo(void) { return &radarEcho; } // precipitation rendering code void SGEnviro::DrawCone2(float baseRadius, float height, int slices, bool down, double rain_norm, double speed) { - + // OSGFIXME + return; sgVec3 light; - sgVec3 min_light = {0.35, 0.35, 0.35}; sgAddVec3( light, fog_color, min_light ); float da = SG_PI * 2.0f / (float) slices; // low number = faster - float speedf = 2.5f - speed / 200.0; - if( speedf < 1.0f ) - speedf = 1.0f; - float lenf = 0.03f + speed / 2000.0; - if( lenf > 0.10f ) - lenf = 0.10f; + float speedf = streak_period_max - speed * streak_period_change_per_kt; + if( speedf < streak_period_min ) + speedf = streak_period_min; + float lenf = streak_length_min + speed * streak_length_change_per_kt; + if( lenf > streak_length_max ) + lenf = streak_length_max; float t = fmod((float) elapsed_time, speedf) / speedf; // t = 0.1f; if( !down ) t = 1.0f - t; float angle = 0.0f; - glColor4f(1.0f, 0.7f, 0.7f, 0.9f); + //glColor4f(1.0f, 0.7f, 0.7f, 0.9f); // XXX unneeded? overriden below glBegin(GL_LINES); - int rainpos_indice = 0; + if (slices > MAX_RAIN_SLICE) + slices = MAX_RAIN_SLICE; // should never happen for( int i = 0 ; i < slices ; i++ ) { float x = cos(angle) * baseRadius; float y = sin(angle) * baseRadius; @@ -389,12 +444,14 @@ void SGEnviro::DrawCone2(float baseRadius, float height, int slices, bool down, sgVec3 dir = {x, -height, y}; // rain drops at 2 different speed to simulate depth - float t1 = (i & 1 ? t : t + t) + rainpos[rainpos_indice]; + float t1 = (i & 1 ? t : t + t) + rainpos[i]; if(t1 > 1.0f) t1 -= 1.0f; if(t1 > 1.0f) t1 -= 1.0f; // distant raindrops are more transparent - float c = (i & 1 ? t1 * 0.5f : t1 * 0.9f); + float c = t1 * (i & 1 ? + streak_bright_farmost_layer + : streak_bright_nearmost_layer); glColor4f(c * light[0], c * light[1], c * light[2], c); sgVec3 p1, p2; sgScaleVec3(p1, dir, t1); @@ -404,13 +461,30 @@ void SGEnviro::DrawCone2(float baseRadius, float height, int slices, bool down, glVertex3f(p1[0], p1[1] + height, p1[2]); glVertex3f(p2[0], p2[1] + height, p2[2]); - if( ++rainpos_indice >= MAX_RAIN_SLICE ) - rainpos_indice = 0; } glEnd(); } -void SGEnviro::drawRain(double pitch, double roll, double heading, double speed, double rain_norm) { +void SGEnviro::drawRain(double pitch, double roll, double heading, double hspeed, double rain_norm) { + // OSGFIXME + return; + +#if 0 + static int debug_period = 0; + if (debug_period++ == 50) { + debug_period = 0; + cout << "drawRain(" + << pitch << ", " + << roll << ", " + << heading << ", " + << hspeed << ", " + << rain_norm << ");" + //" angle = " << angle + //<< " raindrop(KTS) = " << raindrop_speed_kts + << endl; + } +#endif + glBindTexture(GL_TEXTURE_2D, 0); @@ -422,31 +496,32 @@ void SGEnviro::drawRain(double pitch, double roll, double heading, double speed, glDisable(GL_LIGHTING); int slice_count = static_cast( - (40.0 + rain_norm*150.0)* precipitation_density / 100.0); + (streak_count_min + rain_norm*(streak_count_max-streak_count_min)) + * precipitation_density / 100.0); // www.wonderquest.com/falling-raindrops.htm says that // Raindrop terminal velocity is 5 to 20mph // Rather than model it accurately (temp, pressure, diameter), and make it // smaller than terminal when closer to the precipitation cloud base, // we interpolate in the 5-20mph range according to rain_norm. - double raindrop_speed_kts + double raindrop_speed_kts = (5.0 + rain_norm*15.0) * SG_MPH_TO_MPS * SG_MPS_TO_KT; - float angle = atanf(speed / raindrop_speed_kts) * SG_RADIANS_TO_DEGREES; - // We assume that the speed is HORIZONTAL airspeed here!!! XXX - // DOCUMENT THE CHANGE IN THE PARAMETER speed MEANING BY RENAMING IT!!! + float angle = atanf(hspeed / raindrop_speed_kts) * SG_RADIANS_TO_DEGREES; glPushMatrix(); - // the cone rotate with speed + // the cone rotate with hspeed angle = -pitch - angle; - glRotatef(heading, 0.0, 1.0, 0.0); glRotatef(roll, 0.0, 0.0, 1.0); + glRotatef(heading, 0.0, 1.0, 0.0); glRotatef(angle, 1.0, 0.0, 0.0); // up cone - DrawCone2(15.0, 30.0, slice_count, true, rain_norm, speed); + DrawCone2(cone_base_radius, cone_height, + slice_count, true, rain_norm, hspeed); // down cone (usually not visible) if(angle > 0.0 || heading != 0.0) - DrawCone2(15.0, -30.0, slice_count, false, rain_norm, speed); + DrawCone2(cone_base_radius, -cone_height, + slice_count, false, rain_norm, hspeed); glPopMatrix(); @@ -457,14 +532,16 @@ void SGEnviro::drawRain(double pitch, double roll, double heading, double speed, } -void SGEnviro::set_soundMgr(SGSoundMgr *mgr) { - soundMgr = mgr; +void SGEnviro::set_sampleGroup(SGSampleGroup *sgr) { + sampleGroup = sgr; } -void SGEnviro::drawPrecipitation(double rain_norm, double snow_norm, double hail_norm, double pitch, double roll, double heading, double speed) { +void SGEnviro::drawPrecipitation(double rain_norm, double snow_norm, double hail_norm, double pitch, double roll, double heading, double hspeed) { + // OSGFIXME + return; if( precipitation_enable_state && rain_norm > 0.0) if( precipitation_max_alt >= last_alt ) - drawRain(pitch, roll, heading, speed, rain_norm); + drawRain(pitch, roll, heading, hspeed, rain_norm); } @@ -484,6 +561,8 @@ SGLightning::~SGLightning() { // lightning rendering code void SGLightning::lt_build_tree_branch(int tree_nr, Point3D &start, float energy, int nbseg, float segsize) { + // OSGFIXME + return; sgVec3 dir, newdir; int nseg = 0; @@ -531,13 +610,15 @@ void SGLightning::lt_build_tree_branch(int tree_nr, Point3D &start, float energy } void SGLightning::lt_build(void) { + // OSGFIXME + return; Point3D top; nb_tree = 0; top[PX] = 0 ; top[PY] = alt; top[PZ] = 0; lt_build_tree_branch(0, top, 1.0, 50, top[PY] / 8.0); - if( ! sgEnviro.soundMgr ) + if( ! sgEnviro.sampleGroup ) return; Point3D start( sgEnviro.last_lon*SG_DEGREES_TO_RADIANS, sgEnviro.last_lat*SG_DEGREES_TO_RADIANS, 0.0 ); Point3D dest( lon*SG_DEGREES_TO_RADIANS, lat*SG_DEGREES_TO_RADIANS, 0.0 ); @@ -556,6 +637,8 @@ void SGLightning::lt_build(void) { void SGLightning::lt_Render(void) { + // OSGFIXME + return; float flash = 0.5; if( fmod(sgEnviro.elapsed_time*100.0, 100.0) > 50.0 ) flash = sg_random() * 0.75f + 0.25f; @@ -580,10 +663,12 @@ void SGLightning::lt_Render(void) { glDisable( GL_FOG ); glPushMatrix(); sgMat4 modelview, tmp; - ssgGetModelviewMatrix( modelview ); + // OSGFIXME +// ssgGetModelviewMatrix( modelview ); sgCopyMat4( tmp, sgEnviro.transform ); sgPostMultMat4( tmp, modelview ); - ssgLoadModelviewMatrix( tmp ); + // OSGFIXME +// ssgLoadModelviewMatrix( tmp ); Point3D start( sgEnviro.last_lon*SG_DEGREES_TO_RADIANS, sgEnviro.last_lat*SG_DEGREES_TO_RADIANS, 0.0 ); Point3D dest( lon*SG_DEGREES_TO_RADIANS, lat*SG_DEGREES_TO_RADIANS, 0.0 ); @@ -641,6 +726,8 @@ void SGLightning::lt_Render(void) { } void SGEnviro::addLightning(double lon, double lat, double alt) { + // OSGFIXME + return; if( lightnings.size() > 10) return; SGLightning *lt= new SGLightning(lon, lat, alt); @@ -648,9 +735,11 @@ void SGEnviro::addLightning(double lon, double lat, double alt) { } void SGEnviro::drawLightning(void) { + // OSGFIXME + return; list_of_lightning::iterator iLightning; // play 'thunder' for lightning - if( snd_active ) + if( snd_active ) { if( !snd_playing ) { // wait until sound has reached us snd_timer += dt; @@ -664,20 +753,21 @@ void SGEnviro::drawLightning(void) { double ax = 0.0, ay = 0.0; ax = cos(course) * dist; ay = sin(course) * dist; - SGSharedPtr snd = soundMgr->find("thunder"); + SGSharedPtr snd = sampleGroup->find("thunder"); if( snd ) { - ALfloat pos[3]={ax, ay, -sgEnviro.last_alt }; - snd->set_source_pos(pos); + SGVec3d pos = SGVec3d(ax, ay, -sgEnviro.last_alt); + snd->set_position(pos); snd->play_once(); } } } else { - if( !soundMgr->is_playing("thunder") ) { + if( !sampleGroup->is_playing("thunder") ) { snd_active = false; snd_playing = false; } } + } if( ! lightning_enable_state ) return;