X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fenvironment%2Fvisual_enviro.cxx;h=8ff6232177b45db1822b134c500f87dea9042ebb;hb=991f28906e996f20cd29216a95ba38e2c43f0015;hp=e18ebededb47e96df1986d0dee94bbeaf457dc9c;hpb=f23e8bfb0209d5c12ac3099e69bfb7fe844dc8c8;p=simgear.git diff --git a/simgear/environment/visual_enviro.cxx b/simgear/environment/visual_enviro.cxx index e18ebede..8ff62321 100644 --- a/simgear/environment/visual_enviro.cxx +++ b/simgear/environment/visual_enviro.cxx @@ -28,8 +28,6 @@ #include #include #include -#include -#include #include #include #include @@ -42,7 +40,7 @@ using std::vector; typedef struct { - Point3D pt; + SGVec3d pt; int depth; int prev; } lt_tree_seg; @@ -52,23 +50,23 @@ 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}; +SGVec3f 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; +float 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; +float 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; +float 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; +float 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; +float SGEnviro::streak_period_min = DFL_STREAK_PERIOD_MIN; #define DFL_STREAK_LENGTH_MIN 0.03 -SGfloat SGEnviro::streak_length_min = DFL_STREAK_LENGTH_MIN; +float 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; +float 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; +float 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 @@ -77,9 +75,9 @@ int SGEnviro::streak_count_min = DFL_STREAK_COUNT_MIN; #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; +float SGEnviro::cone_base_radius = DFL_CONE_BASE_RADIUS; #define DFL_CONE_HEIGHT 30.0 -SGfloat SGEnviro::cone_height = DFL_CONE_HEIGHT; +float SGEnviro::cone_height = DFL_CONE_HEIGHT; void SGEnviro::config(const SGPropertyNode* n) @@ -88,7 +86,7 @@ void SGEnviro::config(const SGPropertyNode* n) return; const float ml = n->getFloatValue("min-light", DFL_MIN_LIGHT); - sgSetVec3(min_light, ml, ml, ml); + min_light = SGVec3f(ml, ml, ml); streak_bright_nearmost_layer = n->getFloatValue( "streak-brightness-nearmost-layer", @@ -146,7 +144,7 @@ public: ~SGLightning(); void lt_Render(void); void lt_build(void); - void lt_build_tree_branch(int tree_nr, Point3D &start, float energy, int nbseg, float segsize); + void lt_build_tree_branch(int tree_nr, SGVec3d &start, float energy, int nbseg, float segsize); // contains all the segments of the lightning lt_tree_seg lt_tree[MAX_LT_TREE_SEG]; @@ -189,18 +187,18 @@ SGEnviro::SGEnviro() : } SGEnviro::~SGEnviro(void) { - if (sampleGroup) delete sampleGroup; + // if (sampleGroup) delete sampleGroup; // OSGFIXME return; list_of_lightning::iterator iLightning; - for( iLightning = lightnings.begin() ; iLightning != lightnings.end() ; iLightning++ ) { + for( iLightning = lightnings.begin() ; iLightning != lightnings.end() ; ++iLightning ) { delete (*iLightning); } lightnings.clear(); } -void SGEnviro::startOfFrame( sgVec3 p, sgVec3 up, double lon, double lat, double alt, double delta_time) { +void SGEnviro::startOfFrame( SGVec3f p, SGVec3f up, double lon, double lat, double alt, double delta_time) { // OSGFIXME return; view_in_cloud = false; @@ -210,7 +208,7 @@ void SGEnviro::startOfFrame( sgVec3 p, sgVec3 up, double lon, double lat, double elapsed_time += delta_time; min_time_before_lt -= delta_time; dt = delta_time; - +#if 0 sgMat4 T1, LON, LAT; sgVec3 axis; @@ -232,6 +230,7 @@ void SGEnviro::startOfFrame( sgVec3 p, sgVec3 up, double lon, double lat, double sgSetCoord( &pos, TRANSFORM ); sgMakeCoordMat4( transform, &pos ); + #endif last_lon = lon; last_lat = lat; last_alt = alt; @@ -289,10 +288,10 @@ void SGEnviro::set_lightning_enable_state(bool enable) { } } -void SGEnviro::setLight(sgVec4 adj_fog_color) { +void SGEnviro::setLight(SGVec4f adj_fog_color) { // OSGFIXME return; - sgCopyVec4( fog_color, adj_fog_color ); + fog_color = adj_fog_color; if( false ) { // ssgGetLight( 0 ) -> setColour( GL_DIFFUSE, l->scene_diffuse() ); } @@ -381,7 +380,7 @@ void SGEnviro::callback_cloud(float heading, float alt, float radius, int family 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; + SGVec3d orig, dest; orig.setlat(last_lat * SG_DEGREES_TO_RADIANS ); orig.setlon(last_lon * SG_DEGREES_TO_RADIANS ); orig.setelev(0.0); @@ -418,118 +417,11 @@ list_of_SGWxRadarEcho *SGEnviro::get_radar_echo(void) { void SGEnviro::DrawCone2(float baseRadius, float height, int slices, bool down, double rain_norm, double speed) { // OSGFIXME return; - sgVec3 light; - sgAddVec3( light, fog_color, min_light ); - float da = SG_PI * 2.0f / (float) slices; - // low number = faster - 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); // XXX unneeded? overriden below - glBegin(GL_LINES); - 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; - angle += da; - sgVec3 dir = {x, -height, y}; - - // rain drops at 2 different speed to simulate depth - 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 = 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); - // distant raindrops are shorter - float t2 = t1 + (i & 1 ? lenf : lenf+lenf); - sgScaleVec3(p2, dir, t2); - - glVertex3f(p1[0], p1[1] + height, p1[2]); - glVertex3f(p2[0], p2[1] + height, p2[2]); - } - glEnd(); } 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); - - glDisable(GL_DEPTH_TEST); - glShadeModel(GL_SMOOTH); - glEnable(GL_BLEND); - glBlendFunc( GL_ONE, GL_ONE_MINUS_SRC_ALPHA ); - glDisable( GL_FOG ); - glDisable(GL_LIGHTING); - - int slice_count = static_cast( - (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 - = (5.0 + rain_norm*15.0) * SG_MPH_TO_MPS * SG_MPS_TO_KT; - - float angle = atanf(hspeed / raindrop_speed_kts) * SG_RADIANS_TO_DEGREES; - glPushMatrix(); - // the cone rotate with hspeed - angle = -pitch - angle; - 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(cone_base_radius, cone_height, - slice_count, true, rain_norm, hspeed); - // down cone (usually not visible) - if(angle > 0.0 || heading != 0.0) - DrawCone2(cone_base_radius, -cone_height, - slice_count, false, rain_norm, hspeed); - - glPopMatrix(); - - glEnable(GL_LIGHTING); - glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ; - glEnable( GL_FOG ); - glEnable(GL_DEPTH_TEST); - } void SGEnviro::set_sampleGroup(SGSampleGroup *sgr) { @@ -560,169 +452,20 @@ SGLightning::~SGLightning() { } // lightning rendering code -void SGLightning::lt_build_tree_branch(int tree_nr, Point3D &start, float energy, int nbseg, float segsize) { +void SGLightning::lt_build_tree_branch(int tree_nr, SGVec3d &start, float energy, int nbseg, float segsize) { // OSGFIXME return; - - sgVec3 dir, newdir; - int nseg = 0; - Point3D pt = start; - if( nbseg == 50 ) - sgSetVec3( dir, 0.0, -1.0, 0.0 ); - else { - sgSetVec3( dir, sg_random() - 0.5f, sg_random() - 0.5f, sg_random() - 0.5f); - sgNormaliseVec3(dir); - } - if( nb_tree >= MAX_LT_TREE_SEG ) - return; - - lt_tree[nb_tree].depth = tree_nr; - nseg = 0; - lt_tree[nb_tree].pt = pt; - lt_tree[nb_tree].prev = -1; - nb_tree ++; - - // TODO:check agl - while(nseg < nbseg && pt.y() > 0.0) { - int prev = nb_tree - 1; - nseg++; - // add a branch - if( energy * sg_random() > 0.8f ) - lt_build_tree_branch(tree_nr + 1, pt, energy * 0.9f, nbseg == 50 ? 10 : static_cast(nbseg * 0.4f), segsize * 0.7f); - - if( nb_tree >= MAX_LT_TREE_SEG ) - return; - sgSetVec3(newdir, (sg_random() - 0.5f), (sg_random() - 0.5f) - (nbseg == 50 ? 0.5f : 0.0), (sg_random() - 0.5f)); - sgNormaliseVec3(newdir); - sgAddVec3( dir, newdir); - sgNormaliseVec3(dir); - sgVec3 scaleDir; - sgScaleVec3( scaleDir, dir, segsize * energy * 0.5f ); - pt[PX] += scaleDir[0]; - pt[PY] += scaleDir[1]; - pt[PZ] += scaleDir[2]; - - lt_tree[nb_tree].depth = tree_nr; - lt_tree[nb_tree].pt = pt; - lt_tree[nb_tree].prev = prev; - nb_tree ++; - } } 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.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 ); - double course = 0.0, dist = 0.0; - calc_gc_course_dist( dest, start, &course, &dist ); - if( dist < 10000.0 && ! sgEnviro.snd_playing && (dist < sgEnviro.snd_dist || ! sgEnviro.snd_active) ) { - sgEnviro.snd_timer = 0.0; - sgEnviro.snd_wait = dist / 340; - sgEnviro.snd_dist = dist; - sgEnviro.snd_pos_lat = lat; - sgEnviro.snd_pos_lon = lon; - sgEnviro.snd_active = true; - sgEnviro.snd_playing = false; - } } 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; - float h = lt_tree[0].pt[PY]; - sgVec4 col={0.62f, 0.83f, 1.0f, 1.0f}; - sgVec4 c; - -#define DRAW_SEG() \ - {glColorMaterial(GL_FRONT, GL_EMISSION); \ - glDisable(GL_LINE_SMOOTH); glBegin(GL_LINES); \ - glColor4fv(c); \ - glVertex3f(lt_tree[n].pt[PX], lt_tree[n].pt[PZ], lt_tree[n].pt[PY]); \ - glVertex3f(lt_tree[lt_tree[n].prev].pt[PX], lt_tree[lt_tree[n].prev].pt[PZ], lt_tree[lt_tree[n].prev].pt[PY]); \ - glEnd(); glEnable(GL_LINE_SMOOTH);} - - glDepthMask( GL_FALSE ); - glEnable(GL_BLEND); - glBlendFunc( GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); - glBindTexture(GL_TEXTURE_2D, 0); - - glDisable(GL_LIGHTING); - glDisable( GL_FOG ); - glPushMatrix(); - sgMat4 modelview, tmp; - // OSGFIXME -// ssgGetModelviewMatrix( modelview ); - sgCopyMat4( tmp, sgEnviro.transform ); - sgPostMultMat4( tmp, modelview ); - // 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 ); - double course = 0.0, dist = 0.0; - calc_gc_course_dist( dest, start, &course, &dist ); - double ax = 0.0, ay = 0.0; - ax = cos(course) * dist; - ay = sin(course) * dist; - - glTranslatef( ax, ay, -sgEnviro.last_alt ); - - sgEnviro.radarEcho.push_back( SGWxRadarEcho ( course, 0.0, 0.0, dist, age, true, 0 ) ); - - for( int n = 0 ; n < nb_tree ; n++ ) { - if( lt_tree[n].prev < 0 ) - continue; - - float t1 = sgLerp(0.5, 1.0, lt_tree[n].pt[PY] / h); - t1 *= flash; - if( lt_tree[n].depth >= 2 ) { - glLineWidth(3); - sgScaleVec4(c, col, t1 * 0.6f); - DRAW_SEG(); - } else { - if( lt_tree[n].depth == 0 ) { - glLineWidth(12); - sgScaleVec4(c, col, t1 * 0.5f); - DRAW_SEG(); - - glLineWidth(6); - sgScaleVec4(c, col, t1); - DRAW_SEG(); - } else { - glLineWidth(6); - sgScaleVec4(c, col, t1 * 0.7f); - DRAW_SEG(); - } - - if( lt_tree[n].depth == 0 ) - glLineWidth(3); - else - glLineWidth(2); - - sgSetVec4(c, t1, t1, t1, t1); - DRAW_SEG(); - } - - } - glLineWidth(1); - glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ; - glPopMatrix(); - glDepthMask( GL_TRUE ); - glEnable( GL_FOG ); - glEnable(GL_LIGHTING); } void SGEnviro::addLightning(double lon, double lat, double alt) { @@ -737,53 +480,6 @@ 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_playing ) { - // wait until sound has reached us - snd_timer += dt; - if( snd_timer >= snd_wait ) { - snd_playing = true; - // compute relative position of lightning - Point3D start( sgEnviro.last_lon*SG_DEGREES_TO_RADIANS, sgEnviro.last_lat*SG_DEGREES_TO_RADIANS, 0.0 ); - Point3D dest( snd_pos_lon*SG_DEGREES_TO_RADIANS, snd_pos_lat*SG_DEGREES_TO_RADIANS, 0.0 ); - double course = 0.0, dist = 0.0; - calc_gc_course_dist( dest, start, &course, &dist ); - double ax = 0.0, ay = 0.0; - ax = cos(course) * dist; - ay = sin(course) * dist; - SGSharedPtr snd = sampleGroup->find("thunder"); - if( snd ) { - SGVec3f pos = SGVec3f(ax, ay, -sgEnviro.last_alt); - snd->set_relative_position(pos); - snd->play_once(); - } - } - } else { - if( !sampleGroup->is_playing("thunder") ) { - snd_active = false; - snd_playing = false; - } - } - - } - if( ! lightning_enable_state ) - return; - - for( iLightning = lightnings.begin() ; iLightning != lightnings.end() ; iLightning++ ) { - if( dt ) - if( sg_random() > 0.95f ) - (*iLightning)->lt_build(); - (*iLightning)->lt_Render(); - (*iLightning)->age -= dt; - if( (*iLightning)->age < 0.0 ) { - delete (*iLightning); - lightnings.erase( iLightning ); - break; - } - } - }