1 files changed, 108 insertions, 0 deletions
diff --git a/src/Gravity.h b/src/Gravity.h
new file mode 100644
index 0000000..9f36240
--- /dev/null
+++ b/src/Gravity.h
@@ -0,0 +1,108 @@
+#ifndef GRAVITY_H
+#define GRAVITY_H
+
+#include <pthread.h>
+#include "Config.h"
+#include "Simulation.h"
+
+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:
+	unsigned *gravmask;
+
+	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;
+
+	//Simulation * sim;
+public:
+	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 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();
+};
+
+/*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