stratif.py

import json
import math
import myutils
from myutils import eprint
import steps
import platform

car_id = 1
map_id = 1


def parseNewMatch(parsedInput):
    global car_id, map_id
    map_id = parsedInput["params"]["proto_map"]["external_id"]
    car_id = parsedInput["params"]["proto_car"]["external_id"]
    pass


def doMove(cmd):
    cmdStr = 'left' if cmd == -1 else 'right' if cmd == 1 else 'stop'
    print(json.dumps({"command": cmdStr, "debug": myutils.getDebugCmd()}))


def go():
    eprint("python version is " + platform.python_version())
    piHalf = math.pi / 2
    tick = 0
    while True:
        tick = tick + 1
        inp = input()
        parsedInput = json.loads(inp)
        if parsedInput['type'] == 'new_match':
            eprint("new match start =======")
            # eprint(inp)
            parseNewMatch(parsedInput)
            tick = 1
            continue

        worldParams = parsedInput['params']
        mySide = worldParams['my_car'][2]

        eprint(" map_id " + str(map_id) + " car_id " + str(car_id) + " tick " + str(tick) + " my side " + str(mySide))

        #nextStep = steps.getStepSafe(map_id, car_id, tick, mySide)
        #if not (nextStep is None):
        #    eprint("do step " + str(nextStep))
        #    doMove(nextStep)
        #    continue

        eprint("do default strategy")

        myCarAngle = myutils.normalizeAngle(worldParams['my_car'][1])  # my angle
        # eprint("m " + str(myCarAngle))

        isBus = car_id == 2
        angleKoeff = 0.7 if not isBus else 1
        desiredAngle = (piHalf * angleKoeff) * mySide  # left or right

        cmd = 1
        cmdOposite = -1
        delta = myCarAngle - desiredAngle
        if delta > 0:
            cmd = cmdOposite
            cmdOposite = 1

        isCloseToPerfectAngle = abs(delta) < piHalf / 2
        if tick < 50 and isCloseToPerfectAngle and tick % 5 != 0 and not isBus:
            cmd = cmdOposite

        if tick > 50 and tick % 5 != 0 and not isBus:
            myX = worldParams['my_car'][0][0]
            enemyX = worldParams['enemy_car'][0][0]

            leftCmd = -1
            rightCmd = 1
            if abs(myCarAngle) > 1:
                rightCmd = leftCmd
                leftCmd = 1

            cmd = leftCmd if myX > enemyX else rightCmd
            # eprint(f"tick {tick}  {cmd} {myCarAngle} myX {myX} enemyX {enemyX}")

        doMove(cmd)