updated race game program by Dmitriy

remote_control/class_control_joystick.py

@@ -1,6 +1,229 @@
 import socket
 import pygame
 import pygame.joystick
+import rospy
+import pygame.freetype
+from marker_pos_angle.msg import id_pos_angle
+from shapely.geometry import Polygon
+import matplotlib.pyplot as plt
+from shapely.geometry import Point
+
+from copy import deepcopy
+
+import time
+
+
+
+
+# for debugging:
+# rosrun image_view image_view image:=/fiducial_images
+
+class race_track:
+    """
+    This class existing for a checking position of robots on the track
+    We have four aruco markers for outside rectangle and four for inside small rectangle
+    If one of the robots stay inside of the big rectangle we can to control its, but in another case works
+    only keyboard control - we use it for came back of robots in there
+    """
+
+    def __init__(self, robot_1, robot_2):
+
+        marker_sub = rospy.Subscriber("/marker_id_pos_angle", id_pos_angle, self.measurement_callback)
+
+        self.robot_1 = robot_1
+        self.robot_2 = robot_2
+
+        self.rectangle_pos = None
+        self.rectangle_pos_2 = None
+        self.rectangle_pos_3 = None
+        self.rectangle_pos_4 = None
+        self.rectangle_pos_5 = None
+        self.rectangle_pos_6 = None
+        self.rectangle_pos_7 = None
+        self.rectangle_pos_8 = None
+        self.robot_pos_1 = None
+        self.robot_pos_2 = None
+        self.start_line = None
+        self.checkpoint_line = None
+        self.check_number_markers = True
+
+
+        self.debug_plot = False
+
+        self.checkpoint_count = 0
+        self.finish_line_count = 0
+
+        self.checkpoint_count_2 = 0
+        self.finish_line_count_2 = 0
+
+
+    def measurement_callback(self, data):
+        # Aruco marker number 14 it's robot 102; Aruco 1,5,7,8 are drawn small rectangle Polygon
+        # Aruco 2,4,0,11 are assembled big rectangle Polygon
+
+        if data.id == 14:
+            self.robot_pos_1 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.robot_pos_1))
+        elif data.id == 15:
+            self.robot_pos_2 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.robot_pos_1))
+        elif data.id == 9:
+            self.checkpoint_line = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.start_line))
+        elif data.id == 0:
+            self.start_line = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.start_line))
+
+        elif data.id == 1:
+            self.rectangle_pos = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.rectangle_pos))
+
+        elif data.id == 2:
+            self.rectangle_pos_2 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.rectangle_pos_2))
+
+        elif data.id == 3:
+            self.rectangle_pos_3 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, start_marker_pos_3))
+
+        elif data.id == 4:
+            self.rectangle_pos_4 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id,start_marker_pos_4))
+        elif data.id == 5:
+            self.rectangle_pos_5 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.rectangle_pos_5))
+
+        elif data.id == 6:
+            self.rectangle_pos_6 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id,self.rectangle_pos_6))
+
+        elif data.id == 7:
+            self.rectangle_pos_7 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id, self.rectangle_pos_7))
+
+        elif data.id == 8:
+            self.rectangle_pos_8 = (data.x, data.y)
+            # print ("{}->ID MARKER, {}->POSITION".format(data.id,self.rectangle_pos_8))
+
+    def check_number_marker(self):
+        if self.rectangle_pos is None:
+            self.check_number_markers = False
+        elif self.rectangle_pos_2 is None:
+            self.check_number_markers = False
+        elif self.rectangle_pos_3 is None:
+            self.check_number_markers = False
+        elif self.rectangle_pos_4 is None:
+            self.check_number_markers = False
+        elif self.rectangle_pos_5 is None:
+            self.check_number_markers = False
+        elif self.rectangle_pos_6 is None:
+            self.check_number_markers = False
+        elif self.rectangle_pos_7 is None:
+            self.check_number_markers = False
+        elif self.rectangle_pos_8 is None:
+            self.check_number_markers = False
+        elif self.start_line is None:
+            self.check_number_markers = False
+        elif self.checkpoint_line is None:
+            self.check_number_markers = False
+        else:
+            self.check_number_markers = True
+
+    def polygon_rectangle(self):
+        if self.check_number_markers:
+            self.rectangle_track = Polygon([self.rectangle_pos, self.rectangle_pos_2,
+                                            self.rectangle_pos_3, self.rectangle_pos_4])
+
+            self.rectangle_track_2 = Polygon([self.rectangle_pos_5, self.rectangle_pos_6,
+                                              self.rectangle_pos_7, self.rectangle_pos_8])
+
+            self.start_strength_line = Polygon([(self.rectangle_pos_7[0]-0.08, self.rectangle_pos_7[1]),
+                                                (self.start_line[0]-0.08, self.start_line[1]),
+                                                (self.start_line[0]+0.08, self.start_line[1]),
+                                                (self.rectangle_pos_7[0]+0.08, self.rectangle_pos_7[1])])
+
+            self.checkpoint_strength_line = Polygon([self.checkpoint_line, self.rectangle_pos_5,
+                                                (self.rectangle_pos_5[0]+0.1, self.rectangle_pos_5[1]),
+                                                (self.checkpoint_line[0] + 0.1, self.checkpoint_line[1])])
+            self.robot_pos_1_point = Point(self.robot_pos_1)
+            self.robot_pos_2_point = Point(self.robot_pos_2)
+
+            if self.debug_plot:
+                x, y = (self.checkpoint_strength_line.exterior.xy)
+                plt.plot(x, y)
+                plt.show()
+
+
+
+            if self.rectangle_track.contains(self.robot_pos_1_point) and not \
+                    self.rectangle_track_2.contains(self.robot_pos_1_point):
+
+                self.robot_1.controlling_allowed = True
+            else:
+                #print("robot outside track")
+                self.robot_1.controlling_allowed = False
+
+            if self.rectangle_track.contains(self.robot_pos_2_point) and not \
+                    self.rectangle_track_2.contains(self.robot_pos_2_point):
+
+                self.robot_2.controlling_allowed = True
+            else:
+                #print("robot_2 outside track")
+                self.robot_2.controlling_allowed = False
+        else:
+            print("couldn't find the all ARUCO markers")
+
+    def check_starting_position(self): # when you pressing B robot must staying on the start line for beginning of race
+        button_robot_1 = self.robot_1.joystick.get_button(1)
+        button_robot_2 = self.robot_2.joystick.get_button(1)
+        if button_robot_1:
+            if self.start_strength_line.contains(self.robot_pos_1_point):
+                print("player 1 is on the start line")
+                self.robot_1.controlling_allowed_2 = True
+            else:
+                print("put the player 1 on the start line")
+                self.robot_1.controlling_allowed_2 = False
+        if button_robot_2:
+            if self.start_strength_line.contains(self.robot_pos_2_point):
+                print("player 2 is on the start line")
+                self.robot_2.controlling_allowed_2 = True
+            else:
+                print("put the player 2 on the start line")
+                self.robot_2.controlling_allowed_2 = False
+        else:
+            print("no button pressed")
+
+    def checkpoint(self):
+        if self.checkpoint_strength_line.contains(self.robot_pos_1_point):
+            if self.finish_line_count == self.checkpoint_count:
+                self.checkpoint_count += 1
+                print("Player 1 reached checkpoint, checkpoint count = {}".format(self.checkpoint_count))
+        if self.checkpoint_strength_line.contains(self.robot_pos_2_point):
+            if self.finish_line_count_2 == self.checkpoint_count_2:
+                self.checkpoint_count_2 += 1
+                print("Player 2 reached checkpoint, checkpoint count = {}".format(self.checkpoint_count_2))
+
+    def finish_line(self):
+        if self.start_strength_line.contains(self.robot_pos_1_point):
+            if self.finish_line_count < self.checkpoint_count:
+                self.finish_line_count += 1
+                print("reached finish line, finish line count = {}".format(self.finish_line_count))
+
+            elif self.finish_line_count == self.checkpoint_count and self.finish_line_count == 3:
+                print("Player1 finished")
+                self.robot_1.controlling_allowed = False
+
+        if self.start_strength_line.contains(self.robot_pos_2_point):
+            if self.finish_line_count_2 < self.checkpoint_count_2:
+                self.finish_line_count_2 += 1
+                print("Player 2 reached finish line, finish line count = {}".format(self.finish_line_count_2))
+
+            elif self.finish_line_count_2 == self.checkpoint_count_2 and self.finish_line_count_2 == 3:
+                self.robot_2.controlling_allowed = False
+                self.player_2 = False
+                if not self.player_2:
+                    print("Player_2 win")
+                    self.player_2 = True
 
 
 class robot:  # we have 4 arg for this class, because joysticks get the same (value, axis) events
@@ -8,11 +231,15 @@ class robot:  # we have 4 arg for this class, because joysticks get the same (va
         self.joy = joy
         self.ip = ip
         self.port = port
-        self.robot0_stopped_1 = True
+        self.robot_stopped = True
-        self.robot0_stopped_2 = True
-        self.robot0_stopped_3 = True
-        self.robot0_stopped_4 = True
         self.rc_socket = socket.socket()
+
+        self.update_control = False
+
+        self.controlling_allowed = True
+        self.controlling_allowed_2 = False
+        self.joystick = pygame.joystick.Joystick(self.joy)
+
         self.u1 = 0
         self.u2 = 0
         try:
@@ -42,9 +269,29 @@ class robot:  # we have 4 arg for this class, because joysticks get the same (va
 
 
 
+    def check_control(self):
+        if not self.controlling_allowed:
+            if self.robot_stopped:# and self.robot0_stopped_2 and self.robot0_stopped_3 and self.robot0_stopped_4:
+                pass
+                #print("check control -> already stopped")
+            else:
+                self.u1 = self.u2 = 0
+                self.robot_stopped = True
+                # self.robot0_stopped_2 = True
+                # self.robot0_stopped_3 = True
+                # self.robot0_stopped_4 = True
+                self.rc_socket.send('({},{})\n'.format(self.u1, self.u2).encode())
+
+                print("check control -> stop")
+
+
+
+
     def control(self, event):  # the control of two robots with joysticks
+        if self.controlling_allowed_2:
+            if self.controlling_allowed:
                 joy = event.joy
-        value = event.value
+                value = event.value*0.75
                 axis = event.axis
 
                 if joy == self.joy:
@@ -52,12 +299,12 @@ class robot:  # we have 4 arg for this class, because joysticks get the same (va
                         if abs(value) > 0.2:
                             u1 = u2 = -value
                             self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
-                    self.robot0_stopped_1 = False
+                            self.robot_stopped = False
 
-                elif not self.robot0_stopped_1:
+                        elif not self.robot_stopped:
                             u1 = u2 = 0
                             self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
-                    self.robot0_stopped_1 = True
+                            self.robot_stopped = True
                     elif axis == 3:
                         if abs(value) > 0.2:
                             u1 = value
@@ -92,78 +339,192 @@ class robot:  # we have 4 arg for this class, because joysticks get the same (va
                             self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
                             self.robot0_stopped_4 = True
 
+            else:  # not self.robot_stopped and not self.robot0_stopped_2
+                if self.robot_stopped and self.robot0_stopped_2 and self.robot0_stopped_3 and self.robot0_stopped_4:
+                    pass
+                    print("check control -> already stopped")
+                else:
+                    u1 = u2 = 0
+                    self.robot_stopped = True
+                    self.robot0_stopped_2 = True
+                    self.robot0_stopped_3 = True
+                    self.robot0_stopped_4 = True
+                    self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+
+    def control_alt(self):
+        if self.controlling_allowed and self.controlling_allowed_2:
+            ax1 = self.joystick.get_axis(1) * 0.75
+            ax2 = self.joystick.get_axis(2) * 0.75
+            ax3 = self.joystick.get_axis(3) * 0.75
+            ax5 = self.joystick.get_axis(5) * 0.75
+
+            u1_old = deepcopy(self.u1)
+            u2_old = deepcopy(self.u2)
+
+            threshold = 0.2
+            if abs(ax1) < threshold and abs(ax2) < threshold and abs(ax3) < threshold and abs(ax5) < threshold and not self.robot_stopped:
+                self.robot_stopped = True
+                #print("all axis in neutral -> stopping")
+                self.u1 = self.u2 = 0
+                #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            else:
+                self.robot_stopped = False
+                if abs(ax1) > threshold and abs(ax3) > threshold:
+                    self.u1 = (-ax1 + ax3)/2.0
+                    self.u2 = (-ax1 - ax3)/2.0
+                    #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+                elif abs(ax1) > threshold:
+                    self.u1 = self.u2 = -ax1
+                    #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+                elif abs(ax3) > threshold:
+                    self.u1 = ax3
+                    self.u2 = -ax3
+
+            if u1_old != self.u1 or u2_old != self.u2:
+                #print("update_control = True")
+                self.update_control = True
+
+
+    def send_control(self):
+        if self.update_control:
+            #print("sending..({},{})\n".format(self.u1, self.u2))
+            self.rc_socket.send('({},{})\n'.format(self.u1, self.u2).encode())
+
+
     def control_keyboard(self, event):  # keyboard control for robot1
 
+        u1_old = deepcopy(self.u1)
+        u2_old = deepcopy(self.u2)
+
         if pressed[pygame.K_LEFT]:
-            u1 = -1.0
+            self.u1 = -1.0
-            u2 = 1.0
+            self.u2 = 1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif pressed[pygame.K_RIGHT]:
-            u1 = 1.0
+            self.u1 = 1.0
-            u2 = -1.0
+            self.u2 = -1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif pressed[pygame.K_UP]:
-            u1 = -1.0
+            self.u1 = -1.0
-            u2 = -1.0
+            self.u2 = -1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif pressed[pygame.K_DOWN]:
-            u1 = 1.0
+            self.u1 = 1.0
-            u2 = 1.0
+            self.u2 = 1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif event.type == pygame.KEYUP:
-            self.rc_socket.send('({},{})\n'.format(self.u1, self.u2).encode())
+            self.u1 = 0.0
+            self.u2 = 0.0
+            #selfd.rc_socket.send('({},{})\n'.format(self.u1, self.u2).encode())
 
-    def control_keyboard_2(self, event):  # keyboard control for robot1
+        if u1_old != self.u1 or u2_old != self.u2:
+            print("update_control = True")
+            self.update_control = True
+
+    def control_keyboard_2(self, event):  # keyboard control for robot2
+
+        u1_old = deepcopy(self.u1)
+        u2_old = deepcopy(self.u2)
 
         if pressed[pygame.K_a]:
-            u1 = -1.0
+            self.u1 = -1.0
-            u2 = 1.0
+            self.u2 = 1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif pressed[pygame.K_d]:
-            u1 = 1.0
+            self.u1 = 1.0
-            u2 = -1.0
+            self.u2 = -1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif pressed[pygame.K_w]:
-            u1 = -1.0
+            self.u1 = -1.0
-            u2 = -1.0
+            self.u2 = -1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif pressed[pygame.K_s]:
-            u1 = 1.0
+            self.u1 = 1.0
-            u2 = 1.0
+            self.u2 = 1.0
-            self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
+            #self.rc_socket.send('({},{})\n'.format(u1, u2).encode())
 
         elif event.type == pygame.KEYUP:
-            self.rc_socket.send('({},{})\n'.format(self.u1, self.u2).encode())
+            self.u1 = 0.0
+            self.u2 = 0.0
+            #self.rc_socket.send('({},{})\n'.format(self.u1, self.u2).encode())
+
+        if u1_old != self.u1 or u2_old != self.u2:
+            print("update_control = True")
+            self.update_control = True
 
 
 def main():
     pygame.init()
-    pygame.display.set_mode((640, 480))
+    screen= pygame.display.set_mode((640, 480))
-
+    robot_font = pygame.freetype.SysFont("shut up and play", 32)
+    robot_font_2 = pygame.freetype.SysFont("shut up and play", 22)
+    clock = pygame.time.Clock()
+    rospy.init_node('game_node', anonymous=True)
     robot_1 = robot(0, '192.168.1.102', 1234)
     robot_1.joystick_init()
-    robot_2 = robot(1, '192.168.1.103', 1234)
+    robot_2 = robot(1, '192.168.1.101', 1234)
     robot_2.joystick_init()
+
+    robot_track = race_track(robot_1, robot_2)
+    time.sleep(1.0)
+
     while True:
+        robot_track.check_number_marker()
+        robot_track.polygon_rectangle()
+        robot_track.checkpoint()
+        robot_track.finish_line()
+
+        robot_1.check_control()
+        robot_2.check_control()
+
+
         events = pygame.event.get()
         global pressed
         pressed = pygame.key.get_pressed()
+
+        robot_1.update_control = False
+        robot_2.update_control = False
+        input_1_recorded = False
+        input_2_recorded = False
         for event in events:
+            if event.type == pygame.JOYBUTTONDOWN:
+                robot_track.check_starting_position()
+                #robot_track.check_starting_position()
             if event.type == pygame.JOYAXISMOTION:
-                robot_1.control(event)
+                if event.joy == robot_2.joy:
-                robot_2.control(event)
+                    robot_2.control_alt()
+                    input_2_recorded = True
+
+                if event.joy == robot_1.joy:
+                    robot_1.control_alt()
+                    input_1_recorded = True
+
             else:
                 robot_1.control_keyboard(event)
                 robot_2.control_keyboard_2(event)
+                input_1_recorded = True
+                input_2_recorded = True
+        if input_2_recorded:
+            robot_2.send_control()
+        if input_1_recorded:
+            robot_1.send_control()
 
 
+        screen.fill((0, 0, 0))
+        # You can use 'render' and then blit the text surface ...
+
+        # or just 'render_to' the target surface.
+        robot_font.render_to(screen, (80, 50), "Become your weapon and fight!", (255, 255, 255))
+        robot_font_2.render_to(screen, (280, 300), "PRESS 'B' FOR THE BEGINNING", (255, 130, 70))
+        pygame.display.flip()
+
 
 if __name__ == '__main__':
     main()