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#ifndef GRAVITY_H
#define GRAVITY_H
#include <pthread.h>
#undef GetUserName //God dammit microsoft!
#include "Config.h"
#include "Simulation.h"
#ifdef GRAVFFT
#include <fftw3.h>
#endif
class Simulation;
struct mask_el {
char *shape;
char shapeout;
void *next;
};
typedef struct mask_el mask_el;
/*
* float *gravmap = NULL;//Maps to be used by the main thread
float *gravp = NULL;
float *gravy = NULL;
float *gravx = NULL;
unsigned *gravmask = NULL;
float *th_ogravmap = NULL;// Maps to be processed by the gravity thread
float *th_gravmap = NULL;
float *th_gravx = NULL;
float *th_gravy = NULL;
float *th_gravp = NULL;
int th_gravchanged = 0;
pthread_t gravthread;
pthread_mutex_t gravmutex;
pthread_cond_t gravcv;
int grav_ready = 0;
int gravthread_done = 0;
*/
class Gravity
{
private:
float *th_ogravmap;
float *th_gravmap;
float *th_gravx;
float *th_gravy;
float *th_gravp;
int th_gravchanged;
pthread_t gravthread;
pthread_mutex_t gravmutex;
pthread_cond_t gravcv;
int grav_ready;
int gravthread_done;
#ifdef GRAVFFT
bool grav_fft_status;
float *th_ptgravx, *th_ptgravy, *th_gravmapbig, *th_gravxbig, *th_gravybig;
fftwf_complex *th_ptgravxt, *th_ptgravyt, *th_gravmapbigt, *th_gravxbigt, *th_gravybigt;
fftwf_plan plan_gravmap, plan_gravx_inverse, plan_gravy_inverse;
#endif
//Simulation * sim;
public:
unsigned *gravmask;
float *gravmap;
float *gravp;
float *gravy;
float *gravx;
unsigned char (*bmap)[XRES/CELL];
int ngrav_enable;
void grav_mask_r(int x, int y, char checkmap[YRES/CELL][XRES/CELL], char shape[YRES/CELL][XRES/CELL], char *shapeout);
void mask_free(mask_el *c_mask_el);
void Clear();
void gravity_init();
void gravity_cleanup();
void gravity_update_async();
static void *update_grav_async_helper(void * context);
void update_grav_async();
void start_grav_async();
void stop_grav_async();
void update_grav();
void gravity_mask();
void bilinear_interpolation(float *src, float *dst, int sw, int sh, int rw, int rh);
#ifdef GRAVFFT
void grav_fft_init();
void grav_fft_cleanup();
#endif
Gravity();
~Gravity();
};
/*extern int ngrav_enable; //Newtonian gravity
extern int gravwl_timeout;
extern int gravityMode;*/
/*float *gravmap;//Maps to be used by the main thread
float *gravp;
float *gravy;
float *gravx;
unsigned *gravmask;
float *th_ogravmap;// Maps to be processed by the gravity thread
float *th_gravmap;
float *th_gravx;
float *th_gravy;
float *th_gravp;*/
#endif
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