51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
|
#ifndef _PAYSAGES_CLOUDS_WALKING_H_
|
||
|
|
#define _PAYSAGES_CLOUDS_WALKING_H_
|
||
|
|
|
||
|
|
#include "public.h"
|
||
|
|
#include "../tools/euclid.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Functions to walk through a cloud layer.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
Vector3 enter;
|
||
|
|
Vector3 exit;
|
||
|
|
double length;
|
||
|
|
} CloudPrimarySegment;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Optimize the search limits in a layer.
|
||
|
|
*
|
||
|
|
* @param layer The cloud layer
|
||
|
|
* @param start Start of the search to optimize
|
||
|
|
* @param end End of the search to optimize
|
||
|
|
* @return 0 if the search is useless
|
||
|
|
*/
|
||
|
|
int cloudsOptimizeWalkingBounds(CloudsLayerDefinition* layer, Vector3* start, Vector3* end);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Go through the cloud layer to find segments (parts of the lookup that are likely to contain cloud).
|
||
|
|
*
|
||
|
|
* @param renderer The renderer environment
|
||
|
|
* @param layer The cloud layer
|
||
|
|
* @param start Start position of the lookup
|
||
|
|
* @param end End position of the lookup
|
||
|
|
* @param max_segments Maximum number of segments to collect
|
||
|
|
* @param out_segments Allocated space to fill found segments
|
||
|
|
* @return Number of segments found
|
||
|
|
*/
|
||
|
|
int cloudsGetLayerPrimarySegments(Renderer* renderer, CloudsLayerDefinition* layer, Vector3 start, Vector3 end, int max_segments, CloudPrimarySegment* out_segments);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|