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addhook("move","_move")
addhook("spawn","_spawn")
addhook("always","_always")
previous={}
direction={}
speed=5
function _spawn(id)
	previous[id]={player(id,"x"),player(id,"y")}
	direction[id]=nil
end
function _move(id,x,y)
	if x~=previous[id][1] or y~=previous[id][2] then
		if x>previous[id][1] then
			direction[id]=1
		elseif x<previous[id][1] then
			direction[id]=0
		elseif y>previous[id][2] then
			direction[id]=3
		elseif y<previous[id][2] then
			direction[id]=2
		end
		parse("speedmod "..id.." -50")
	end
	previous[id]={x,y}
end
function _always()
	for _,id in ipairs(player(0,"tableliving")) do
		if direction[id]~=nil then
			local x,y=0,0
			if direction[id]==0 then
				x=-speed
			elseif direction[id]==1 then
				x=speed
			elseif direction[id]==2 then
				y=-speed
			elseif direction[id]==3 then
				y=speed
			end
			parse("setpos "..id.." "..player(id,"x")+x.." "..player(id,"y")+y)
			if x==speed then
				x=16
				y=0
			elseif x==-speed then
				x=-16
				y=0
			end
			if y==speed then
				y=16
				x=0
			elseif y==-speed then
				y=-16
				x=0
			end
			if tile(math.floor((player(id,"x")+x)/32),math.floor((player(id,"y")+y)/32),"wall") then
				parse("setpos "..id.." "..(32*player(id,"tilex")+16).." "..(32*player(id,"tiley")+16))
				parse("speedmod "..id.." 0")
				direction[id]=nil
				previous[id]={player(id,"x"),player(id,"y")}
			end
		end
	end
end