diff --git a/__pycache__/texture_checks.cpython-39.pyc b/__pycache__/texture_checks.cpython-39.pyc
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diff --git a/__pycache__/texture_operations.cpython-39.pyc b/__pycache__/texture_operations.cpython-39.pyc
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diff --git a/demo_images/example.png b/demo_images/example.png
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diff --git a/generator.py b/generator.py
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index 0000000..7fa162c
--- /dev/null
+++ b/generator.py
@@ -0,0 +1,62 @@
+import os
+import cv2
+import sys
+import argparse
+from texture_operations import *
+from texture_checks import *
+from PIL import Image
+
+
+def generate_pseudonormal(source_texture, normal_map, replace=False):
+    img = Image.open(normal_map).convert('L')
+    print("Generating ",normal_map[:len(normal_map)-4]+"_grayscaled.png")
+    grayscaled_name = normal_map[:len(normal_map)-4]+"_grayscaled.png"
+    try:
+        img.save(grayscaled_name)
+    except:
+        pass
+    print("Combining texture and normal map")
+    background = cv2.imread(source_texture)
+    overlay = cv2.imread(grayscaled_name)
+    added_image = cv2.addWeighted(background, 0.92, overlay, 1, 0)
+    cv2.imwrite('combined.png', added_image)
+    print("Time to fix brightness of result...")
+    value = delta_brightness(source_texture, 'combined.png')
+    result = change_brightness('combined.png', -1*value)
+    cv2.imwrite('combined_result.png', result)
+    print("Adjusting saturation...")
+    img_pil = adjust_saturation(Image.open('combined_result.png'), 3)
+    print("Removing intermediate files")
+    os.remove('combined.png')
+    os.remove('combined_result.png')
+    for i in os.listdir():
+        if 'grayscaled' in i:
+            os.remove(i)
+    if replace:
+        img_pil.save(source_texture)
+        return True
+    print("Prepairing result: "+source_texture[: len(source_texture) - 4]+'_pseudonormal.png')
+    img_pil.save(source_texture[: len(source_texture) - 4]+'_pseudonormal.png')
+    print("Done!")
+    return True
+
+def parse_arguments():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-t', '--texture', required=True, type=str)
+    parser.add_argument('-n', '--nmap', required=True, type=str)
+    return parser
+
+def main():
+    parser = parse_arguments()
+    parameters = parser.parse_args(sys.argv[1:])
+    source_texture = format(parameters.texture)
+    normal_map = format(parameters.nmap)
+    texture_validation(source_texture=source_texture, normal_map=normal_map)
+    generate_pseudonormal(source_texture=source_texture, normal_map=normal_map, replace=False)
+
+
+
+if __name__=='__main__':
+    main()
+
+
diff --git a/texture_checks.py b/texture_checks.py
new file mode 100644
index 0000000..d62f371
--- /dev/null
+++ b/texture_checks.py
@@ -0,0 +1,54 @@
+import os
+import cv2
+from PIL import Image
+
+SUPPORTED_TEXTURES = ['.png', '.jpg', '.bmp', '.jpeg']
+
+def is_supportedtexture(filename):
+    filename = filename.lower()
+    if filename[filename.find("."):] in SUPPORTED_TEXTURES:
+        return True
+    return False
+
+def existence_check(texture, normalmap):
+    if os.path.exists(texture) and os.path.exists(normalmap):
+        return True
+    print("One or both texture files don't exist. Please check input paths.")
+    exit(-1)
+
+def check_sizes(source_texture, normal_map):
+    f_source_texture = cv2.imread(source_texture)
+    f_normal_map = cv2.imread(normal_map)
+    ws, hs, _ = f_source_texture.shape
+    wn, hn, _ = f_normal_map.shape
+    if ws==wn and hs == hn:
+        return True
+    print("Normal map and source texture sould have same widht and height")
+    print("Your texture resolution: ", ws,'x',hs)
+    print("Your normal map resolution: ", wn, 'x', hn)
+    exit(-1)
+
+def has_nss(path, alphabet=set('абвгдеёжзийклмнопрстуфхцчшщъыьэюяäößü')):
+    return not alphabet.isdisjoint(path.lower())
+
+def texture_path_check(source_texture, normal_map):
+    if  ' ' not in source_texture and ' ' not in normal_map  and not has_nss(source_texture) and not has_nss(normal_map):
+        return True
+    print("Your texture/normal map path contains not supported  symbols. Please change the path(s).")
+    exit(-1)
+
+def typo_check(source_texture, normal_map):
+    if is_supportedtexture(source_texture) and is_supportedtexture(normal_map):
+        return True
+    print("Input file types aren't supported by this utility. ")
+    print("Supported types: ", end=' ')
+    for i in SUPPORTED_TEXTURES:
+        print(i, end=" ")
+    exit(-1)
+
+def texture_validation(source_texture, normal_map):
+    existence_check(texture=source_texture, normalmap=normal_map)
+    texture_path_check(source_texture=source_texture, normal_map=normal_map)
+    typo_check(source_texture=source_texture, normal_map=normal_map)
+    check_sizes(source_texture=source_texture, normal_map=normal_map)
+    return True
\ No newline at end of file
diff --git a/texture_operations.py b/texture_operations.py
new file mode 100644
index 0000000..74d7938
--- /dev/null
+++ b/texture_operations.py
@@ -0,0 +1,25 @@
+import cv2
+from PIL import Image
+from PIL import ImageStat
+from PIL import ImageEnhance
+
+
+def delta_brightness(source_texture, overlayed_texture):
+    return ImageStat.Stat(Image.open(overlayed_texture).convert('L')).mean[0]-ImageStat.Stat(Image.open(source_texture).convert('L')).mean[0]
+
+def adjust_saturation(img, saturation_factor):
+    enhancer = ImageEnhance.Color(img)
+    img = enhancer.enhance(saturation_factor)
+    return img
+
+def change_brightness(imgpath, value=30):
+    img = cv2.imread(imgpath)
+    hsv = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
+    h, s, v = cv2.split(hsv)
+    v = cv2.add(v,value)
+    v[v > 255] = 255
+    v[v < 0] = 0
+    final_hsv = cv2.merge((h, s, v))
+    img = cv2.cvtColor(final_hsv, cv2.COLOR_HSV2BGR)
+    return img
+