added normal map support

Author: CodeAndWeb

README.md

@@ -22,6 +22,7 @@ Alternatively, download or clone this repository and copy the contents of the
 * Import sprite sheets as AtlasTextures
 * Supports trimmed sprites (margin)
 * Supports MultiPack
+* Supports normal maps
 
 ## Usage (once the plugin is enabled)
 
@@ -38,6 +39,10 @@ Alternatively, download or clone this repository and copy the contents of the
 
 # Release notes
 
+### 4.3.0 (2025-12-08)
+
+* Support sprites with normal map (use CanvasTexture if normal map is present)
+
 ### 4.2.0 (2025-06-11)
 
 * Remove sprites no longer present on a sheet

addons/codeandweb.texturepacker/plugin.cfg

@@ -3,6 +3,6 @@ config_version=3
 
 name="TexturePacker Importer"
 description="Importer for sprite sheets created using TexturePacker"
-version="4.2.0"
+version="4.3.0"
 author="Andreas Loew / CodeAndWeb GmbH"
 script="codeandweb.texturepacker_importer.gd"

addons/codeandweb.texturepacker/texturepacker_import_spritesheet.gd

@@ -87,8 +87,17 @@ func _import(source_file, save_path, options, r_platform_variants, r_gen_files):
 			printerr("Failed to load image file: " + sheetFile)
 			return ERR_FILE_NOT_FOUND
 
-		create_atlas_textures(sheetFolder, sheet, image, r_gen_files)
+		if sheet.has("normalMap"):
+			var normalFile = source_file.get_base_dir()+"/"+sheet.normalMap
+			var normalImage = ResourceLoader.load(normalFile, "ImageTexture")
+			if not normalImage:
+				printerr("Failed to load normal map file: " + normalFile)
+				return ERR_FILE_NOT_FOUND
+
+			image = create_canvas_texture(sheetFolder, sheet, image, normalImage, r_gen_files)
 
+		create_atlas_textures(sheetFolder, sheet, image, r_gen_files)
+			
 	delete_no_longer_existing_sprite_files(sheetFolder, r_gen_files)
 
 	# without this call Godot editor will not refresh its filesystem view
@@ -106,6 +115,18 @@ func create_folder(folder):
 			printerr("Failed to create folder: " + folder)
 
 
+func create_canvas_texture(sheetFolder, sheet, diffuseTex, normalTex, r_gen_files):
+	var canvasTex = CanvasTexture.new()
+	canvasTex.diffuse_texture = diffuseTex
+	canvasTex.normal_texture = normalTex
+	var canvasTexFolder = sheetFolder+"/CanvasTexture"
+	var canvasTexResource = canvasTexFolder+"/"+sheet.image.get_basename()+".tres"
+	create_folder(canvasTexFolder)
+	ResourceSaver.save(canvasTex, canvasTexResource)
+	r_gen_files.push_back(canvasTexResource)
+	return canvasTex
+
+
 func create_atlas_textures(sheetFolder, sheet, image, r_gen_files):
 	for sprite in sheet.sprites:
 		if !create_atlas_texture(sheetFolder, sprite, image, r_gen_files):