The-Powder-Toy/includes/gravity.h
2011-12-18 22:04:47 +08:00

42 lines
1014 B
C

#ifndef GRAVITY_H
#define GRAVITY_H
#include "defines.h"
extern int ngrav_enable; //Newtonian gravity
extern int gravwl_timeout;
extern int gravityMode;
extern float gravmap[YRES/CELL][XRES/CELL]; //Maps to be used by the main thread
extern float *gravpf;
extern float *gravxf;
extern float *gravyf;
extern unsigned *gravmaskf;
extern float th_ogravmap[YRES/CELL][XRES/CELL]; // Maps to be processed by the gravity thread
extern float th_gravmap[YRES/CELL][XRES/CELL];
extern float th_gravx[YRES/CELL][XRES/CELL];
extern float th_gravy[YRES/CELL][XRES/CELL];
extern float *th_gravpf;
extern float *th_gravxf;
extern float *th_gravyf;
extern float th_gravp[YRES/CELL][XRES/CELL];
void gravity_init();
void gravity_cleanup();
void gravity_update_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
#endif