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Add support for normal maps #26

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Add support for normal maps #26

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13 changes: 13 additions & 0 deletions addons/codeandweb.texturepacker/texturepacker_import_spritesheet.gd
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,19 @@ 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

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 image file: " + normalFile)
return ERR_FILE_NOT_FOUND
var combinedImage = CanvasTexture.new()
combinedImage.diffuse_texture = image
combinedImage.normal_texture = normalImage
var combinedFile = source_file.get_basename()+".tres"
ResourceSaver.save(combinedImage, combinedFile)
image = ResourceLoader.load(combinedFile)

create_atlas_textures(sheetFolder, sheet, image, r_gen_files)

delete_no_longer_existing_sprite_files(sheetFolder, r_gen_files)
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