npc-1.lua

local npcManager = require("npcManager")
local basic = {}
local npcID = NPC_ID

local STATE_WANDER = 0
local STATE_COLLIDED = 1

local DEACCEL_RATE = 0.065
local BASE_SPEED = 2

function basic.onTickEndNPC(v)
    --Text.showMessageBox("AAA")
    local data = v.data

    if not data.state then
        data.state = STATE_WANDER
    end

    if data.state == STATE_COLLIDED then
        local e = Effect.spawn(74,0,0)
        e.x = v.x+(v.width/2)+(e.width/2)-v.speedX+RNG.random(-v.width/10,v.width/10)
        e.y = v.y+v.height-e.height
        Text.showMessageBox(string.format("%f speed", v.speedX))
        v.speedX = v.speedX - (math.sign(v.speedX)*DEACCEL_RATE)
        if math.abs(v.speedX) <= 0.3 then
            data.state = STATE_WANDER
            v.speedX = RNG.random() < 0.5 and BASE_SPEED or -1 * BASE_SPEED
        end
    end

	for _,p in ipairs(Player.getIntersecting(v.x,v.y,v.x+v.width,v.y+v.height)) do
        local direction = (math.sign((p.x+(p.width/2))-(v.x+(v.width/2))))
        p:mem(0x138, FIELD_FLOAT, 3.5 * direction)
        v.speedX = -5 * direction
        data.state = STATE_COLLIDED
	end    
end
function basic.onInitAPI()
    npcManager.registerEvent(npcID, basic, "onTickEndNPC")
end
return basic