paysages3d/lib_paysages/sky.h

62 lines
1.6 KiB
C

#ifndef _PAYSAGES_SKY_H_
#define _PAYSAGES_SKY_H_
#include "shared/types.h"
#include "color.h"
#include "lighting.h"
#include "pack.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum
{
SKY_MODEL_CUSTOM = 0,
SKY_MODEL_RAYLEIGH_MIE = 1,
SKY_MODEL_PREETHAM = 2
} SkyModel;
typedef struct
{
SkyModel model;
double daytime;
Color sun_color;
double sun_radius;
double sun_halo_size;
Curve* sun_halo_profile;
double dome_lighting;
struct {
int auto_from_daytime;
Color zenith_color;
Color haze_color;
double haze_height;
double haze_smoothing;
ColorGradation* _sky_gradation;
} model_custom;
struct {
double turbidity;
} model_preetham;
} SkyDefinition;
void skySave(PackStream* stream, SkyDefinition* definition);
void skyLoad(PackStream* stream, SkyDefinition* definition);
SkyDefinition skyCreateDefinition();
void skyDeleteDefinition(SkyDefinition* definition);
void skyCopyDefinition(SkyDefinition* source, SkyDefinition* destination);
void skyValidateDefinition(SkyDefinition* definition);
int skyGetLights(SkyDefinition* sky, Renderer* renderer, LightDefinition* lights, int max_lights);
Color skyGetColor(SkyDefinition* definition, Renderer* renderer, Vector3 eye, Vector3 look);
void skyRender(SkyDefinition* definition, Renderer* renderer);
Vector3 skyGetSunDirection(SkyDefinition* definition);
Color skyGetSunColor(SkyDefinition* definition);
Color skyGetZenithColor(SkyDefinition* definition);
Color skyGetHorizonColor(SkyDefinition* definition);
#ifdef __cplusplus
}
#endif
#endif