//
// 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
-class SGEnviro {
+#include <plib/sg.h>
+
+#include <simgear/compiler.h>
+#include STL_STRING
+#include <vector>
+
+SG_USING_STD(vector);
+SG_USING_STD(string);
+
+class SGLightning;
+class SGSoundMgr;
+
+/**
+ * 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 vector<SGWxRadarEcho> list_of_SGWxRadarEcho;
+
+/**
+ * Visual environment helper class.
+ */
+class SGEnviro {
+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;
+ double last_lon, last_lat, last_alt;
+ SGSoundMgr *soundMgr;
+ 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 sgVec3 min_light;
+ static SGfloat 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 SGfloat cone_base_radius,
+ cone_height;
public:
SGEnviro();
~SGEnviro();
- void startOfFrame(void);
+ /** 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 endOfFrame(void);
+ /**
+ * 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 family cloud family
+ * @param dist squared dist to cloud in meters
+ */
+ void callback_cloud(float heading, float alt, float radius, int family, float dist, int cloudId);
+
+ 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 snow_norm snow 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 hspeed moving horizontal speed of viewer in kt
+ */
+ void drawPrecipitation(double rain_norm, double snow_norm, double hail_norm,
+ double pitch, double roll, double heading, double hspeed);
+
+ /**
+ * Draw the lightnings spawned by cumulo nimbus.
+ */
+ void drawLightning(void);
+
+ /**
+ * Forward the fog color used by the rain rendering.
+ * @param adj_fog_color color of the fog
+ */
+ void setLight(sgVec4 adj_fog_color);
+
// this can be queried to add some turbulence for example
bool is_view_in_cloud(void) const;
void set_view_in_cloud(bool incloud);
+ double get_cloud_turbulence(void) const;
// Clouds
// return the size of the memory pool used by texture impostors
float get_clouds_visibility(void) const;
float get_clouds_density(void) const;
bool get_clouds_enable_state(void) const;
+ bool get_turbulence_enable_state(void) const;
+ /**
+ * Set the size of the impostor texture cache for 3D clouds.
+ * @param sizeKb size of the texture pool in Kb
+ */
void set_clouds_CacheSize(int sizeKb);
+ /**
+ * Set the resolution of the impostor texture for 3D clouds.
+ * @param resolutionPixels size of each texture in pixels (64|128|256)
+ */
void set_CacheResolution(int resolutionPixels);
+ /**
+ * Set the maximum range used when drawing clouds.
+ * Clouds are blended from totaly transparent at max range to totaly opaque around the viewer
+ * @param distance in meters
+ */
void set_clouds_visibility(float distance);
+ /**
+ * Set the proportion of clouds that will be rendered to limit drop in FPS.
+ * @param density 0..100 no clouds drawn when density == 0, all are drawn when density == 100
+ */
void set_clouds_density(float density);
+ /**
+ * Enable or disable the use of 3D clouds.
+ * @param enable when false we draw the 2D layers
+ */
void set_clouds_enable_state(bool enable);
+ /**
+ * Enable or disable the use of proximity cloud turbulence.
+ * @param enable when true the turbulence is computed based on type of cloud around the AC
+ */
+ void set_turbulence_enable_state(bool enable);
// rain/snow
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.
+ * @param enable when true we will draw precipitation depending on metar data
+ */
void set_precipitation_enable_state(bool enable);
// others
bool get_lightning_enable_state(void) const;
+ /**
+ * Enable or disable the rendering of lightning and the thunder sound.
+ * @param enable when true we will draw lightning spwaned by cumulonimbus
+ */
void set_lightning_enable_state(bool enable);
+
+ /**
+ * Spawn a new lighning at specified lon/lat.
+ * @param lon position of the new lightning
+ * @param lat position of the new lightning
+ * @param alt asl of the starting point of the lightning in meters
+ */
+ void addLightning(double lon, double lat, double alt);
+
+ /**
+ * Forward the sound manager instance to be able to play samples.
+ * @param mgr a running sound manager
+ */
+ void set_soundMgr(SGSoundMgr *mgr);
+
+ void setFOV( float w, float h );
+ void getFOV( float &w, float &h );
+
+ list_of_SGWxRadarEcho *get_radar_echo(void);
+
+ sgMat4 *get_transform(void) { return &transform; }
};
extern SGEnviro sgEnviro;
-#endif // _VISUAL_ENVIRO_HXX
\ No newline at end of file
+#endif // _VISUAL_ENVIRO_HXX
projects / simgear.git / blobdiff