#pragma once

#include <stdint.h>
#include "input/touch/touch_data.h"

typedef struct {
	uint8_t ( *get_count) ( void);
	void ( *get_tracked_events) ( touch_event ***store, uint8_t *count);
	touch_coordinates* ( *getAABB) ( touch_event **events, uint8_t count);
	float ( *get_width) ( touch_event **events, uint8_t count);
	float ( *get_angle) ( touch_event **events, uint8_t count);
	touch_coordinates* ( *get_midpoint) ( touch_event **events, uint8_t count);
	void ( *get_position_deltas) (
		touch_event **previous, uint8_t previous_count, 
		touch_event **current, uint8_t current_count, 
		touch_coordinates **deltas, uint8_t *count
	);
	float ( *get_angle_delta) ( float previous_angle, float current_angle);
	touch_coordinates* ( *get_midpoint_delta) ( touch_coordinates previous, touch_coordinates current);
} touch_data_proxy;

touch_data_proxy glutGetTouchProxy();