From fd558de9723c3e10dc398874056fdaf4446f9840 Mon Sep 17 00:00:00 2001
From: Giwayume <giwayume@gmail.com>
Date: Mon, 22 Nov 2021 11:10:39 -0500
Subject: [PATCH] Fix edge case where 1px cut off from right of image

Backward loop should remain -1

(cherry picked from commit 88c1411051462846e15fdd8ed29da59564c11432)
---
 editor/import/resource_importer_texture_atlas.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/editor/import/resource_importer_texture_atlas.cpp b/editor/import/resource_importer_texture_atlas.cpp
index a7e1986b3f4..115aab70cba 100644
--- a/editor/import/resource_importer_texture_atlas.cpp
+++ b/editor/import/resource_importer_texture_atlas.cpp
@@ -131,7 +131,7 @@ static void _plot_triangle(Vector2 *vertices, const Vector2 &p_offset, bool p_tr
 	int max_y = MIN(y[2], height - p_offset.y - 1);
 	for (int yi = y[0]; yi < max_y; yi++) {
 		if (yi >= 0) {
-			for (int xi = (xf > 0 ? int(xf) : 0); xi < (xt < src_width ? xt : src_width - 1); xi++) {
+			for (int xi = (xf > 0 ? int(xf) : 0); xi < (xt <= src_width ? xt : src_width); xi++) {
 				int px = xi, py = yi;
 				int sx = px, sy = py;
 				sx = CLAMP(sx, 0, src_width - 1);