Microbit multiplayer testing

//Variable initialization so i don't have to do it later
let plyrRot = 0
let localPlayerX = 2
let localPlayerY = 2
let globalPlayerX = 2
let globalPlayerY = 2
let plyr2X = 0
let plyr2Y = 0
let csrvrste = 0
let tmp = 0
let tmp1 = 0
let mapSize = 7
let frametime = 200 /*frametime defines how long
until the clear function will allow the next frame
to be processed and drawn. */

/*Alright so the map is going to be 25x25 when finished
Map edges will be defined by walls*/

//Function Library :p

//Most functions are commented out currently until the finished
//product is created. Most functions require having a physical
//micro:bit for testing both client and server scripts.

//Player Rotation control
function playerRotation() {
    if (input.compassHeading() > 0 && input.compassHeading() < 90) { plyrRot = 0 }
    if (input.compassHeading() > 90 && input.compassHeading() < 180) { plyrRot = 1 }
    if (input.compassHeading() > 180 && input.compassHeading() < 270) { plyrRot = 2 }
    if (input.compassHeading() > 270 && input.compassHeading() < 361) { plyrRot = 3 }
}
//Player Positioning based on input from the playerRotation function
function playerPositioning() {
    if (input.buttonIsPressed(Button.A)) {
        switch (plyrRot) {
            case 0:
                globalPlayerX && localPlayerX++
                break;
            case 1:
                globalPlayerY && localPlayerY++
                break
            case 2:
                globalPlayerX && localPlayerX--
                break
            case 3:
                globalPlayerY && localPlayerY--
                break
        }
    }
    if (globalPlayerX = 1) { localPlayerX = globalPlayerX }
    if (globalPlayerX > 1) { localPlayerX = 2 }
    if (globalPlayerY = 1) { localPlayerY = globalPlayerY }
    if (globalPlayerY > 1) { localPlayerY = 2 }
}
/*Waiting for connection request from client
function clientSync() {
    radio.onReceivedNumber(function (receivedNumber: 69) {
        csrvrste = 1
        radio.sendNumber(420)
    })
} */
//Wall Function
function mapEdge() {
    if (globalPlayerX < 3) {
        basic.plotLeds(`
            # # # # #
            . . . . .
            . . . . .
            . . . . .
            . . . . .
            `)
    }
    if (globalPlayerY < 3) {
        basic.plotLeds(`
            # . . . .
            # . . . .
            # . . . .
            # . . . .
            # . . . .
            `)
    }
}
/*Update Player 2 Positioning
function plyr2UpdPos() {
    radio.onReceivedNumber(function (receivedNumber: 0) {
        plyr2X ++
    })
    radio.onReceivedNumber(function (receivedNumber: 1) {
        plyr2Y ++
    })
    radio.onReceivedNumber(function (receivedNumber: 2) {
        plyr2X --
    })
    radio.onReceivedNumber(function (receivedNumber: 3) {
        plyr2Y --
    })
}*/
/*Update plyr2X & Y based on Rotation
function posUpdByRot() {
    switch (plyrRot){
        case 0:
        break
        case 1://Facing Right, plyr2 needs to be on left
        tmp = plyr2X
        tmp1 = plyr2Y
        tmp * -1
        tmp1 * -1
        plyr2X = tmp
        plyr2Y = tmp1
    }
}*/
//Draw Player
function plyrDraw() {
    led.plot(localPlayerX, localPlayerY)
}

//Game itself
basic.forever(function () {
    // while (csrvrste = 0) { clientSync }
    while (csrvrste = 0) {
        playerRotation()
        playerPositioning()
        plyrDraw()
        basic.pause(frametime)
        basic.clearScreen()
    }
})