walljumps.lua v1.1.2

--[[

||||  O    ||||
|||| /     ||||   walljumps.lua v1.1.2
||||/      ||||
||||\      ||||   Original Author: PixelPest
||||/      ||||   Further Work: Antiginger

]]--

local eventu = API.load("eventu");

local walljumps = {};

walljumps.slideSpeed = 2; --speed when sliding down walls
walljumps.jumpIntensityX = 8; --absolute speed of how fast the player travels along the horizontal axis after walljumping
walljumps.jumpIntensityY = -10.5; --speed of how fast the player travels along the vertical axis after walljumping
walljumps.delayTime = 0.5; --time (in seconds) that the player has to wait to walljump after making contact with the wall
walljumps.maxNumFramesStuck = 24;

local isWallSlidingRight = false;
local isWallSlidingLeft = false;
local ReadyToJump = false;
local timerIsSet = false;
local StuckToWall = false;
local FrameCounterStuck = 0;

function walljumps.onInitAPI()
    registerEvent(walljumps, "onInputUpdate", "onInputUpdate", false);
end

local function jump()
    playSFX(2);
    player.speedY = walljumps.jumpIntensityY;
    ReadyToJump = false;
    StuckToWall = false;
    if isWallSlidingRight then
        player.speedX = (-1)*walljumps.jumpIntensityX;
        Animation.spawn(75, player.x + 0.5*(player.width), player.y + player.height - 16);
    elseif isWallSlidingLeft then
        player.speedX = walljumps.jumpIntensityX;
        Animation.spawn(75, player.x - 0.5*(player.width), player.y + player.height - 16);
    end

end

local function reset()
    timerIsSet = false;
    canJump = true;
end

function walljumps.onInputUpdate()
    if ((isWallSlidingRight) or
    (isWallSlidingLeft)) and
    (player.jumpKeyPressing == true) and
    (ReadyToJump == true) and
    (not player.downKeyPressing) and
    (player:mem(0x34, FIELD_WORD) ~= 2) and
    (player:mem(0x108, FIELD_WORD) == 0) and
    (player.holdingNPC == nil) then
        jump();
    end

    if (player:mem(0x146, FIELD_WORD) == 0) and
    (player:mem(0x14A, FIELD_WORD) == 0) and
    (((player:mem(0x148, FIELD_WORD) == 2) or
    (player:mem(0x14C, FIELD_WORD) == 2)) or
    ((player:mem(0x148, FIELD_WORD) == 2) and
    (player:mem(0x14C, FIELD_WORD) == 2))) and
    (((player.rightKeyPressing) and
    (player:mem(0x14C, FIELD_WORD) == 2)) or
    ((player.leftKeyPressing)) and
    (player:mem(0x148, FIELD_WORD) == 2)) or
    (StuckToWall == true) and
    (not player.downKeyPressing) and
    (player:mem(0x34, FIELD_WORD) ~= 2) and --is not underwater/quicksand
    (player:mem(0x50, FIELD_BOOL) ~= true) then --is not spingjumping
        if (not isWallSlidingLeft) and (not isWallSlidingRight) and (not timerIsSet) then
            eventu.setTimer(walljumps.delayTime, reset, false);
            timerIsSet = true;
            ReadyToJump = false;
        end

        if player:mem(0x148, FIELD_WORD) == 2 then
            isWallSlidingLeft = true;
            isWallSlidingRight = false;
            if player.jumpKeyPressing == false then
                ReadyToJump = true;
            end
            if player.speedY > 0 then
                Animation.spawn(74, player.x - 8, player.y + 0.5*(player.height + 8));
            end
        elseif player:mem(0x14C, FIELD_WORD) == 2 then
            isWallSlidingRight = true;
            isWallSlidingLeft = false;
            if player.jumpKeyPressing == false then
                ReadyToJump = true;
            end
            if player.speedY > 0 then
                Animation.spawn(74, player.x + player.width, player.y + 0.5*(player.height + 8));
            end
        end
        if (player.speedY > 0) and (not player.downKeyPressing) then
            player.speedY = walljumps.slideSpeed;
            if (StuckToWall == false) then
                StuckToWall = true;
                FrameCounterStuck = walljumps.maxNumFramesStuck;
            end
        end
        if (StuckToWall) then
            FrameCounterStuck = FrameCounterStuck - 1;
            if (FrameCounterStuck == 0) then
                StuckToWall = false;
                player.speedY = 0;
                player.speedX = 0;
            end
            if (isWallSlidingRight) then
                player.speedX = 3;
                if player:mem(0x14C, FIELD_WORD) ~= 2 then
                    StuckToWall = false;
                    player.speedY = 0;
                    FrameCounterStuck = 0;
                end
            end
            if (isWallSlidingLeft) then
                player.speedX = -3;
                if player:mem(0x148, FIELD_WORD) ~= 2 then
                    StuckToWall = false;
                    player.speedY = 0;
                    FrameCounterStuck = 0;
                end
            end
        end
    else
        isWallSlidingRight = false;
        isWallSlidingLeft = false;
        ReadyToJump = false;
    end

    if player:mem(0x146, FIELD_WORD) == 2 then
        ReadyToJump = false;
    end
end