from eye import EyeId from enum import Enum from config import EyeTrackConfig from utils.CycleCounter import * import threading class SmartInversion: #Defines our possible tracking states class States(Enum): TRACKING = 0 STARE = 1 INVERTED = 2 state = States.TRACKING #Defines our tracked values thread_lock = threading.Lock() rx_left_x = 0.0 rx_left_y = 0.0 rx_right_x = 0.0 rx_right_y = 0.0 dom_eye_x = 0.0 dom_eye_y = 0.0 inv_x_thresh = 0.3 is_r_dom = True bypass_stare = False #Defines variables that require settings @classmethod def init_config(cls,config: EyeTrackConfig): if config.settings.gui_smartinversion_select_right: cls.dom_eye = EyeId.RIGHT cls.rec_eye = EyeId.LEFT cls.is_r_dom = True else: cls.dom_eye = EyeId.LEFT cls.rec_eye = EyeId.RIGHT cls.is_r_dom = False cls.inv_x_thresh = config.settings.gui_smartinversion_minthresh cls.cycle_counts = config.settings.gui_smartinversion_frame_count cls.inv_clamp = config.settings.gui_smartinversion_rotation_clamp cls.inv_counter = CycleCounter(cls.cycle_counts) cls.stare_counter = CycleCounter(cls.cycle_counts) cls.track_counter = CycleCounter(cls.cycle_counts) #Receives changes in configuration and applies them accordingly @classmethod def config_update(cls,data): print(f"Smart inversion heard that some settings were changed!") if "gui_smartinversion_select_right" in data: cls.dom_eye = EyeId.RIGHT if data["gui_smartinversion_select_right"] else EyeId.LEFT cls.rec_eye = EyeId.LEFT if data["gui_smartinversion_select_right"] else EyeId.RIGHT cls.is_r_dom = True if data["gui_smartinversion_select_right"] else False print(f"Dominant eye changed to {cls.dom_eye.name}") if "gui_smartinversion_minthresh" in data: cls.inv_x_thresh = data["gui_smartinversion_minthresh"] print(f"Smart inversion transition threshold changed to {cls.inv_x_thresh}") if "gui_smartinversion_frame_count" in data: cls.cycle_counts = data["gui_smartinversion_frame_count"] print(f"Smart inversion transition condition required cycle count changed to {cls.cycle_counts}") if "gui_smartinversion_rotation_clamp" in data: cls.inv_clamp = data["gui_smartinversion_rotation_clamp"] print(f"Smart inversion maximum allowed cross-eye changed to {cls.cycle_counts}") #Main processing function @classmethod def process(cls,eye_id,out_x,out_y): with cls.thread_lock: cls.process_tracked_positions(eye_id,out_x,out_y) cls.check_for_stare() cls.check_for_inversion() if cls.is_stare_mode(): out_x, out_y = 0, cls.dom_eye_y elif not cls.is_dominant_eye(eye_id) and cls.is_inverted_mode(): out_x, out_y = -cls.dom_eye_x, cls.dom_eye_y else: out_x, out_y = cls.dom_eye_x, cls.dom_eye_y if cls.is_inverted_mode(): if cls.is_processing_right_eye(eye_id): out_x = max(out_x,-cls.inv_clamp) else: out_x = min(out_x,cls.inv_clamp) return out_x, out_y #Main methods that are called during processing @classmethod def process_tracked_positions(cls, eye_id, out_x,out_y): if cls.is_processing_right_eye(eye_id): cls.rx_right_x = out_x cls.rx_right_y = out_y if cls.is_dominant_eye(eye_id): cls.dom_eye_x = cls.rx_right_x cls.dom_eye_y = cls.rx_right_y else: cls.rx_left_x = out_x cls.rx_left_y = out_y if cls.is_dominant_eye(eye_id): cls.dom_eye_x = cls.rx_left_x cls.dom_eye_y = cls.rx_left_y @classmethod def check_for_stare(cls): if cls.dom_is_inward() and cls.rec_is_inward(): #Updates the counter for stare activation if not cls.is_stare_mode() and not cls.stare_counter.complete(): cls.stare_counter.increase() #Sets the state to stare if count completes elif not cls.is_stare_mode() and cls.stare_counter.complete() and not cls.bypass_stare: cls.set_state("STARE") print(f"State is {cls.state.name}") cls.stare_counter.reset() elif cls.is_stare_mode(): cls.stare_counter.increase() if cls.stare_counter.complete(): if cls.bypass_stare: cls.bypass_stare = False #print(f"bypass_stare disabled by check_for_stare") cls.set_state("TRACKING") print(f"State set to {cls.state.name} by check_for_stare method.") cls.stare_counter.reset() cls.inv_counter.reset() elif not cls.stare_counter.active(): cls.stare_counter.reset() @classmethod def check_for_inversion(cls): if cls.dom_is_inward() and cls.rec_meets_thresh() and cls.is_stare_mode(): #Updates the counter for activation if not cls.is_inverted_mode() and not cls.inv_counter.complete(): cls.inv_counter.increase() #print(f"Inversion activation counter is increasing: {cls.inv_counter.get_count()}") #Sets the state to inverted if enough cycles have completed elif not cls.is_inverted_mode() and cls.inv_counter.complete(): cls.set_state("INVERTED") print(f"State set to {cls.state.name} by check_for_inv method.") cls.bypass_stare = True cls.inv_counter.reset() #Begins the counter for deactivation if conditions are not met elif cls.is_inverted_mode(): cls.inv_counter.increase() if cls.inv_counter.complete(): if cls.bypass_stare: cls.bypass_stare = False #print(f"bypass_stare disabled by check_for_inv") #Fast resets the counter if conditions are not met, and inversion isn't active. elif cls.inv_counter.active(): cls.inv_counter.reset() print(f"Inversion activation counter was instantly reset as conditions weren't met") #Helper Methods @classmethod def is_tracking_mode(cls): return cls.state == cls.States.TRACKING @classmethod def is_stare_mode(cls): return cls.state == cls.States.STARE @classmethod def is_inverted_mode(cls): return cls.state == cls.States.INVERTED @classmethod def set_state(cls,new_state: str): cls.state = cls.States[new_state] @classmethod def is_dominant_eye(cls,eye_id): return eye_id == cls.dom_eye @classmethod def is_processing_right_eye(cls,eye_id): return eye_id == EyeId.RIGHT @classmethod def dom_is_inward(cls): return (cls.is_r_dom and cls.rx_right_x < 0) or (not cls.is_r_dom and cls.rx_left_x > 0) @classmethod def rec_is_inward(cls): return (cls.is_r_dom and cls.rx_left_x > 0) or (not cls.is_r_dom and cls.rx_right_x < 0) @classmethod def dom_meets_thresh(cls): return (cls.is_r_dom and cls.rx_right_x < -cls.inv_x_thresh) or (not cls.is_r_dom and cls.rx_left_x > cls.inv_x_thresh) @classmethod def rec_meets_thresh(cls): return (cls.is_r_dom and cls.rx_left_x > cls.inv_x_thresh) or (not cls.is_r_dom and cls.rx_right_x < -cls.inv_x_thresh) @classmethod def x_diff(cls): return abs(cls.rx_left_x - cls.rx_right_x)