//
// 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.
//
//
#ifndef _VISUAL_ENVIRO_HXX
#define _VISUAL_ENVIRO_HXX
#include <simgear/compiler.h>
-#include STL_STRING
+#include <string>
+#include <vector>
-SG_USING_STD(string);
+#include <simgear/math/SGMath.hxx>
class SGLightning;
-class SGSoundMgr;
+class SGSampleGroup;
+
+/**
+ * Simulate some echo on a weather radar.
+ * Container class for the wx radar instrument.
+ */
+class SGWxRadarEcho {
+public:
+ SGWxRadarEcho(float _heading, float _alt, float _radius, float _dist,
+ double _LWC, bool _lightning, int _cloudId ) :
+ heading( _heading ),
+ alt ( _alt ),
+ radius ( _radius ),
+ dist ( _dist ),
+ LWC ( _LWC ),
+ lightning ( _lightning ),
+ cloudId ( _cloudId )
+ {}
+
+ /** the heading in radian is versus north */
+ float heading;
+ float alt, radius, dist;
+ /** reflectivity converted to liquid water content. */
+ double LWC;
+ /** if true then this data is for a lightning else it is for water echo. */
+ bool lightning;
+ /** Unique identifier of cloud */
+ int cloudId;
+};
+
+typedef std::vector<SGWxRadarEcho> list_of_SGWxRadarEcho;
/**
* Visual environment helper class.
*/
class SGEnviro {
-friend SGLightning;
+friend class SGLightning;
private:
void DrawCone2(float baseRadius, float height, int slices, bool down, double rain_norm, double speed);
void lt_update(void);
bool view_in_cloud;
bool precipitation_enable_state;
float precipitation_density;
+ float precipitation_max_alt;
bool turbulence_enable_state;
double last_cloud_turbulence, cloud_turbulence;
bool lightning_enable_state;
double elapsed_time, dt;
- sgVec4 fog_color;
- sgMat4 transform;
+ SGVec4f fog_color;
+ SGMatrixf transform;
double last_lon, last_lat, last_alt;
- SGSoundMgr *soundMgr;
+ SGSampleGroup *sampleGroup;
bool snd_active, snd_playing;
double snd_timer, snd_wait, snd_pos_lat, snd_pos_lon, snd_dist;
double min_time_before_lt;
float fov_width, fov_height;
+ /** a list of all the radar echo. */
+ list_of_SGWxRadarEcho radarEcho;
+ static SGVec3f min_light;
+ static float streak_bright_nearmost_layer,
+ streak_bright_farmost_layer,
+ streak_period_max,
+ streak_period_change_per_kt,
+ streak_period_min,
+ streak_length_min,
+ streak_length_change_per_kt,
+ streak_length_max;
+ static int streak_count_min, streak_count_max;
+ static float cone_base_radius,
+ cone_height;
+
public:
SGEnviro();
~SGEnviro();
+ /** Read the config from the precipitation rendering config properties.
+ * @param precip_rendering_cfgNode "/sim/rendering/precipitation" in fg
+ * Set from whatever info present in the
+ * subnodes passed, substituting hardwired defaults for missing fields.
+ * If NULL is given, do nothing.
+ */
+ void config(const class SGPropertyNode* precip_rendering_cfgNode);
+
/**
* Forward a few states used for renderings.
*/
- void startOfFrame( sgVec3 p, sgVec3 up, double lon, double lat, double alt, double delta_time);
+ void startOfFrame( SGVec3f p, SGVec3f up, double lon, double lat, double alt, double delta_time);
void endOfFrame(void);
+#if 0
/**
* Whenever a cloud is drawn we check his 'impact' on the environment.
* @param heading direction of cloud in radians
* @param alt asl of cloud in meters
* @param radius radius of cloud in meters
- * @param familly cloud familly
+ * @param family cloud family
* @param dist squared dist to cloud in meters
*/
- void callback_cloud(float heading, float alt, float radius, int familly, float dist);
-
- void drawRain(double pitch, double roll, double speed, double rain_norm);
+ void callback_cloud(float heading, float alt, float radius, int family, float dist, int cloudId);
+#endif
+ void drawRain(double pitch, double roll, double heading, double hspeed, double rain_norm);
/**
* Draw rain or snow precipitation around the viewer.
* @param rain_norm rain normalized intensity given by metar class
* @param hail_norm hail normalized intensity given by metar class
* @param pitch pitch rotation of viewer
* @param roll roll rotation of viewer
- * @param speed moving speed of viewer in kt
+ * @param hspeed moving horizontal speed of viewer in kt
*/
void drawPrecipitation(double rain_norm, double snow_norm, double hail_norm,
- double pitch, double roll, double speed);
+ double pitch, double roll, double heading, double hspeed);
/**
* Draw the lightnings spawned by cumulo nimbus.
* Forward the fog color used by the rain rendering.
* @param adj_fog_color color of the fog
*/
- void setLight(sgVec4 adj_fog_color);
+ void setLight(SGVec4f adj_fog_color);
// this can be queried to add some turbulence for example
bool is_view_in_cloud(void) const;
float get_precipitation_density(void) const;
bool get_precipitation_enable_state(void) const;
+ /**
+ * Decrease the precipitation density to the given percentage.
+ * (Only show the given percentage of rain streaks etc.)
+ * Default precipitation density upon construction is 100.0.
+ * @param density 0.0 to 100.0
+ */
void set_precipitation_density(float density);
/**
* Enable or disable the rendering of precipitation around the viewer.
* Forward the sound manager instance to be able to play samples.
* @param mgr a running sound manager
*/
- void set_soundMgr(SGSoundMgr *mgr);
+ void set_sampleGroup(SGSampleGroup *sgr);
void setFOV( float w, float h );
void getFOV( float &w, float &h );
+ list_of_SGWxRadarEcho *get_radar_echo(void);
+
+ SGMatrixf *get_transform(void) { return &transform; }
};
extern SGEnviro sgEnviro;
projects / simgear.git / blobdiff