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/*
Weather Preset Data Structures
*/
#ifndef WEATHER_H
#define WEATHER_H
#include <sys/types.h>
#include "obj.h"
/*
* Weather Data:
*/
typedef struct {
/* Name of this weather setting. */
char *name;
/* Sky and horizon gradient colors. */
sar_color_struct sky_nominal_color,
sky_brighten_color,
sky_darken_color;
/* Celestial tint colors. */
sar_color_struct star_low_color,
star_high_color,
sun_low_color,
sun_high_color,
moon_low_color,
moon_high_color;
/* Atmoshere minimal distance from camera, a value of 0.5
* would be half of the distance and 0.9 would be really close
* up to the camera (very foggy)
*/
float atmosphere_dist_coeff;
/* Atmosphere density, gets more dense as value approaches
* 1.0
*/
float atmosphere_density_coeff;
/* Density of rain, 0.0 for no rain, 0.5 for moderate, 1.0
* for densest rain
*/
float rain_density_coeff;
/* Cloud layers that will be created into the scene, note that
* there are no visual models loaded on these cloud layer
* structures.
*/
sar_cloud_layer_struct **cloud_layer;
int total_cloud_layers;
/* `Billboard' clouds, clouds that appear as `billboard objects'
* in a repeating tiled region across the scene.
*/
sar_cloud_bb_struct **cloud_bb;
int total_cloud_bbs;
} sar_weather_data_entry_struct;
#define SAR_WAATHER_DATA_ENTRY(p) ((sar_weather_data_entry_struct *)(p))
/*
* Contains a list of preset weather data structures.
*/
typedef struct {
void *core_ptr; /* Pointer back to core. */
sar_weather_data_entry_struct **preset;
int total_presets;
} sar_weather_data_struct;
#define SAR_WEATHER_DATA(p) ((sar_weather_data_struct *)(p))
/* In weather.c. */
extern sar_weather_data_struct *SARWeatherPresetsInit(void *core_ptr);
extern void SARWeatherPresetsShutdown(sar_weather_data_struct *w);
extern void SARWeatherEntryDelete(
sar_weather_data_struct *w, sar_weather_data_entry_struct *entry
);
extern void SARWeatherSetScenePreset(
sar_weather_data_struct *w, sar_scene_struct *scene,
const char *name
);
/* In weatherio.c. */
extern int SARWeatherLoadFromFile(
sar_weather_data_struct *w, const char *filename
);
#endif /* WEATHER_H */
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