| 19 |
|
#include "fvect.h" */ |
| 20 |
|
#include "pmapdata.h" |
| 21 |
|
|
| 22 |
+ |
#ifdef __cplusplus |
| 23 |
+ |
extern "C" { |
| 24 |
+ |
#endif |
| 25 |
|
|
| 26 |
|
/* Forward declarations to break dependency loop with pmapdata.h */ |
| 27 |
|
struct PhotonMap; |
| 28 |
|
|
| 26 |
– |
|
| 29 |
|
/* k-d tree as linear array of photons */ |
| 30 |
|
typedef struct { |
| 31 |
|
Photon *nodes; /* k-d tree as linear array */ |
| 67 |
|
void kdT_InitFindPhotons (struct PhotonMap *pmap); |
| 68 |
|
/* Initialise NN search queue prior to calling kdT_FindPhotons() */ |
| 69 |
|
|
| 70 |
< |
void kdT_FindPhotons (struct PhotonMap* pmap, const FVECT pos, |
| 71 |
< |
const FVECT norm); |
| 70 |
> |
int kdT_FindPhotons (struct PhotonMap* pmap, const FVECT pos, |
| 71 |
> |
const FVECT norm); |
| 72 |
|
/* Locate pmap -> squeue.len nearest photons to pos with similar normal |
| 73 |
|
* (NULL for volume photons) and return in search queue pmap -> squeue, |
| 74 |
< |
* starting with the further photon at pmap -> squeue.node */ |
| 74 |
> |
* starting with the further photon at pmap -> squeue.node. Return -1 |
| 75 |
> |
* if none found, else 0. */ |
| 76 |
|
|
| 77 |
< |
void kdT_Find1Photon (struct PhotonMap* pmap, const FVECT pos, |
| 78 |
< |
const FVECT norm, Photon *photon); |
| 79 |
< |
/* Locate single nearest photon to pos with similar normal */ |
| 77 |
> |
int kdT_Find1Photon (struct PhotonMap* pmap, const FVECT pos, |
| 78 |
> |
const FVECT norm, Photon *photon); |
| 79 |
> |
/* Locate single nearest photon to pos with similar normal. Return -1 |
| 80 |
> |
* if none found, else 0. */ |
| 81 |
|
|
| 82 |
|
int kdT_GetPhoton (const struct PhotonMap *pmap, PhotonIdx idx, |
| 83 |
|
Photon *photon); |
| 84 |
< |
/* Retrieve photon referenced by idx from kd-tree and return 0 on |
| 85 |
< |
* success, else -1. */ |
| 84 |
> |
/* Retrieve photon referenced by idx from kd-tree and return -1 on |
| 85 |
> |
* error, else 0. */ |
| 86 |
|
|
| 87 |
|
Photon *kdT_GetNearestPhoton (const PhotonSearchQueue *squeue, |
| 88 |
|
PhotonIdx idx); |
| 93 |
|
|
| 94 |
|
void kdT_Delete (PhotonKdTree *kdt); |
| 95 |
|
/* Self-destruct */ |
| 96 |
+ |
|
| 97 |
+ |
#ifdef __cplusplus |
| 98 |
+ |
} |
| 99 |
+ |
#endif |
| 100 |
|
|
| 101 |
|
#endif |
