---@param x real
---@param y real
---@return boolean
function IsTerrainWalkable(x, y) end

---@param x real
---@param y real
---@return boolean
function IsTerrainDeepWater(x, y) end

---@param x real
---@param y real
---@return boolean
function IsTerrainShallowWater(x, y) end

---@param x real
---@param y real
---@return boolean
function IsTerrainLand(x, y) end

local RANGE = 10 -- Расстояние, на котором проходит проверка
local DUMMY = FourCC('wolg') -- Ид предмета для проверки проходимости

do
	local RANGE             = 10 -- Расстояние, на котором проходит проверка
	local DUMMY             = FourCC('wolg') -- Ид предмета для проверки проходимости
	
	local rect---@type rect
	local item ---@type item
	
	local InitGlobalsOrigin = InitGlobals
	function InitGlobals()
		InitGlobalsOrigin()
		rect = Rect(0, 0, 128, 128)
		item = CreateItem(DUMMY, 0, 0)
		SetItemVisible(item, false)
	end
	
	local items = {}
	local function hide()
		local target = GetEnumItem()
		if not IsItemVisible(target) then return end
		table.insert(items, target)
		SetItemVisible(target, false)
	end
	
	---@param x real
	---@param y real
	---@return boolean
	function IsTerrainWalkable(x, y)
		MoveRectTo(rect, x, y)
		EnumItemsInRect(rect, nil, hide)
		
		SetItemPosition(item, x, y)
		local dx = GetItemX(item) - x
		local dy = GetItemY(item) - y
		SetItemVisible(item, false)
		
		for i = 1, #items do
			SetItemVisible(items[i], true)
		end
		items = {}
		
		return dx * dx + dy * dy <= RANGE * RANGE and not IsTerrainPathable(x, y, PATHING_TYPE_WALKABILITY)
	end
end

---@param x real
---@param y real
---@return boolean
function IsTerrainDeepWater (x, y)
	return not IsTerrainPathable(x, y, PATHING_TYPE_FLOATABILITY) and IsTerrainPathable(x, y, PATHING_TYPE_WALKABILITY)
end

---@param x real
---@param y real
---@return boolean
function IsTerrainShallowWater (x, y)
	return not IsTerrainPathable(x, y, PATHING_TYPE_FLOATABILITY) and not IsTerrainPathable(x, y, PATHING_TYPE_WALKABILITY) and IsTerrainPathable(x, y, PATHING_TYPE_BUILDABILITY)
end

---@param x real
---@param y real
---@return boolean
function IsTerrainLand(x, y)
	return IsTerrainPathable(x, y, PATHING_TYPE_FLOATABILITY)
end

---@param x real
---@param y real
---@return boolean
function IsTerrainPlatform (x, y)
	return not IsTerrainPathable(x, y, PATHING_TYPE_FLOATABILITY) and not IsTerrainPathable(x, y, PATHING_TYPE_WALKABILITY) and not IsTerrainPathable(x, y, PATHING_TYPE_BUILDABILITY)
end