From 8465376045c5a2ce6ad1d74d60fa9104959a4e04 Mon Sep 17 00:00:00 2001
From: Igor Timofeev <eliteclubsessions@gmail.com>
Date: Mon, 21 Sep 2015 22:58:20 +0300
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB=20?=
 =?UTF-8?q?=D1=81=D0=BE=D0=BE=D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D0=B5=20=D0=BE?=
 =?UTF-8?q?=D0=B1=20=D0=BE=D1=88=D0=B8=D0=B1=D0=BA=D0=B5=20=D0=B2=20rememb?=
 =?UTF-8?q?erOldPixels()?=
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---
 lib/ECSAPI.lua | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/ECSAPI.lua b/lib/ECSAPI.lua
index 6bf70889..ef64b313 100644
--- a/lib/ECSAPI.lua
+++ b/lib/ECSAPI.lua
@@ -576,6 +576,7 @@ end
 --Запомнить область пикселей и возвратить ее в виде массива
 function ECSAPI.rememberOldPixels(x, y, x2, y2)
 	local newPNGMassiv = { ["backgrounds"] = {} }
+	local xSize, ySize = gpu.getResolution()
 	newPNGMassiv.x, newPNGMassiv.y = x, y
 
 	--Перебираем весь массив стандартного PNG-вида по высоте
@@ -583,6 +584,11 @@ function ECSAPI.rememberOldPixels(x, y, x2, y2)
 	for j = y, y2 do
 		xCounter = 1
 		for i = x, x2 do
+
+			if (i > xSize or i < 0) or (j > ySize or j < 0) then
+				error("Can't remember pixel, because it's located behind the screen: x("..i.."), y("..j..") out of xSize("..xSize.."), ySize("..ySize..")\n")
+			end
+
 			local symbol, fore, back = gpu.get(i, j)
 
 			newPNGMassiv["backgrounds"][back] = newPNGMassiv["backgrounds"][back] or {}
@@ -597,6 +603,7 @@ function ECSAPI.rememberOldPixels(x, y, x2, y2)
 		yCounter = yCounter + 1
 	end
 
+	xSize, ySize = nil, nil
 	return newPNGMassiv
 end