paysages3d/lib_paysages/tools/lighting.h

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#ifndef _PAYSAGES_TOOLS_LIGHTING_H_
#define _PAYSAGES_TOOLS_LIGHTING_H_
#include "euclid.h"
#include "color.h"
#include "pack.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
Color base;
double reflection;
double shininess;
} SurfaceMaterial;
typedef struct
{
Vector3 direction; /* Global direction of the light */
Color color; /* Main color of the light */
double reflection; /* Reflected factor of the light (for specular lighting) */
int altered; /* Should the light be filtered or masked (by atmosphere, water, ground, clouds...) */
} LightDefinition;
typedef int (*FuncLightingAlterLight)(void* data, LightDefinition* light, Vector3 at);
typedef struct LightingManager LightingManager;
typedef struct LightStatus LightStatus;
LightingManager* lightingManagerCreate();
void lightingManagerDelete(LightingManager* filter);
void lightingManagerRegisterFilter(LightingManager* filter, FuncLightingAlterLight callback, void* data);
LightStatus* lightingCreateStatus(LightingManager* manager, Vector3 location, Vector3 eye);
void lightingDeleteStatus(LightStatus* status);
void lightingPushLight(LightStatus* status, LightDefinition* light);
Color lightingApplyStatus(LightStatus* status, Vector3 normal, SurfaceMaterial* material);
Vector3 lightingGetStatusLocation(LightStatus* status);
Color lightingApplyOneLight(LightDefinition* light, Vector3 eye, Vector3 location, Vector3 normal, SurfaceMaterial* material);
void materialSave(PackStream* stream, SurfaceMaterial* material);
void materialLoad(PackStream* stream, SurfaceMaterial* material);
#ifdef __cplusplus
}
#endif
#endif